reactos/dll/win32/gdiplus/graphics.c

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20 #include <math.h>
  21 #include <limits.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "wingdi.h"
  27 #include "wine/unicode.h"
  28
  29 #define COBJMACROS
  30 #include "objbase.h"
  31 #include "ocidl.h"
  32 #include "olectl.h"
  33 #include "ole2.h"
  34
  35 #include "winreg.h"
  36 #include "shlwapi.h"
  37
  38 #include "gdiplus.h"
  39 #include "gdiplus_private.h"
  40 #include "wine/debug.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  43
  44 /* looks-right constants */
  45 #define ANCHOR_WIDTH (2.0)
  46 #define MAX_ITERS (50)
  47
  48 /* Converts angle (in degrees) to x/y coordinates */
  49 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
  50 {
  51     REAL radAngle, hypotenuse;
  52
  53     radAngle = deg2rad(angle);
  54     hypotenuse = 50.0; /* arbitrary */
  55
  56     *x = x_0 + cos(radAngle) * hypotenuse;
  57     *y = y_0 + sin(radAngle) * hypotenuse;
  58 }
  59
  60 /* Converts from gdiplus path point type to gdi path point type. */
  61 static BYTE convert_path_point_type(BYTE type)
  62 {
  63     BYTE ret;
  64
  65     switch(type & PathPointTypePathTypeMask){
  66         case PathPointTypeBezier:
  67             ret = PT_BEZIERTO;
  68             break;
  69         case PathPointTypeLine:
  70             ret = PT_LINETO;
  71             break;
  72         case PathPointTypeStart:
  73             ret = PT_MOVETO;
  74             break;
  75         default:
  76             ERR("Bad point type\n");
  77             return 0;
  78     }
  79
  80     if(type & PathPointTypeCloseSubpath)
  81         ret |= PT_CLOSEFIGURE;
  82
  83     return ret;
  84 }
  85
  86 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
  87 {
  88     HPEN gdipen;
  89     REAL width;
  90     INT save_state = SaveDC(graphics->hdc), i, numdashes;
  91     GpPointF pt[2];
  92     DWORD dash_array[MAX_DASHLEN];
  93
  94     EndPath(graphics->hdc);
  95
  96     if(pen->unit == UnitPixel){
  97         width = pen->width;
  98     }
  99     else{
 100         /* Get an estimate for the amount the pen width is affected by the world
 101          * transform. (This is similar to what some of the wine drivers do.) */
 102         pt[0].X = 0.0;
 103         pt[0].Y = 0.0;
 104         pt[1].X = 1.0;
 105         pt[1].Y = 1.0;
 106         GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
 107         width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
 108                      (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
 109
 110         width *= pen->width * convert_unit(graphics->hdc,
 111                               pen->unit == UnitWorld ? graphics->unit : pen->unit);
 112     }
 113
 114     if(pen->dash == DashStyleCustom){
 115         numdashes = min(pen->numdashes, MAX_DASHLEN);
 116
 117         TRACE("dashes are: ");
 118         for(i = 0; i < numdashes; i++){
 119             dash_array[i] = roundr(width * pen->dashes[i]);
 120             TRACE("%d, ", dash_array[i]);
 121         }
 122         TRACE("\n and the pen style is %x\n", pen->style);
 123
 124         gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb,
 125                               numdashes, dash_array);
 126     }
 127     else
 128         gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
 129
 130     SelectObject(graphics->hdc, gdipen);
 131
 132     return save_state;
 133 }
 134
 135 static void restore_dc(GpGraphics *graphics, INT state)
 136 {
 137     DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
 138     RestoreDC(graphics->hdc, state);
 139 }
 140
 141 /* This helper applies all the changes that the points listed in ptf need in
 142  * order to be drawn on the device context.  In the end, this should include at
 143  * least:
 144  *  -scaling by page unit
 145  *  -applying world transformation
 146  *  -converting from float to int
 147  * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
 148  * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
 149  * gdi to draw, and these functions would irreparably mess with line widths.
 150  */
 151 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
 152     GpPointF *ptf, INT count)
 153 {
 154     REAL unitscale;
 155     GpMatrix *matrix;
 156     int i;
 157
 158     unitscale = convert_unit(graphics->hdc, graphics->unit);
 159
 160     /* apply page scale */
 161     if(graphics->unit != UnitDisplay)
 162         unitscale *= graphics->scale;
 163
 164     GdipCloneMatrix(graphics->worldtrans, &matrix);
 165     GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
 166     GdipTransformMatrixPoints(matrix, ptf, count);
 167     GdipDeleteMatrix(matrix);
 168
 169     for(i = 0; i < count; i++){
 170         pti[i].x = roundr(ptf[i].X);
 171         pti[i].y = roundr(ptf[i].Y);
 172     }
 173 }
 174
 175 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
 176 {
 177     ARGB result=0;
 178     ARGB i;
 179     for (i=0xff; i<=0xff0000; i = i << 8)
 180         result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
 181     return result;
 182 }
 183
 184 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
 185 {
 186     REAL blendfac;
 187
 188     /* clamp to between 0.0 and 1.0, using the wrap mode */
 189     if (brush->wrap == WrapModeTile)
 190     {
 191         position = fmodf(position, 1.0f);
 192         if (position < 0.0f) position += 1.0f;
 193     }
 194     else /* WrapModeFlip* */
 195     {
 196         position = fmodf(position, 2.0f);
 197         if (position < 0.0f) position += 2.0f;
 198         if (position > 1.0f) position = 2.0f - position;
 199     }
 200
 201     if (brush->blendcount == 1)
 202         blendfac = position;
 203     else
 204     {
 205         int i=1;
 206         REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
 207         REAL range;
 208
 209         /* locate the blend positions surrounding this position */
 210         while (position > brush->blendpos[i])
 211             i++;
 212
 213         /* interpolate between the blend positions */
 214         left_blendpos = brush->blendpos[i-1];
 215         left_blendfac = brush->blendfac[i-1];
 216         right_blendpos = brush->blendpos[i];
 217         right_blendfac = brush->blendfac[i];
 218         range = right_blendpos - left_blendpos;
 219         blendfac = (left_blendfac * (right_blendpos - position) +
 220                     right_blendfac * (position - left_blendpos)) / range;
 221     }
 222     return blend_colors(brush->startcolor, brush->endcolor, blendfac);
 223 }
 224
 225 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
 226 {
 227     switch (brush->bt)
 228     {
 229     case BrushTypeLinearGradient:
 230     {
 231         GpLineGradient *line = (GpLineGradient*)brush;
 232         RECT rc;
 233
 234         SelectClipPath(graphics->hdc, RGN_AND);
 235         if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
 236         {
 237             GpPointF endpointsf[2];
 238             POINT endpointsi[2];
 239             POINT poly[4];
 240
 241             SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
 242
 243             endpointsf[0] = line->startpoint;
 244             endpointsf[1] = line->endpoint;
 245             transform_and_round_points(graphics, endpointsi, endpointsf, 2);
 246
 247             if (abs(endpointsi[0].x-endpointsi[1].x) > abs(endpointsi[0].y-endpointsi[1].y))
 248             {
 249                 /* vertical-ish gradient */
 250                 int startx, endx; /* x co-ordinates of endpoints shifted to intersect the top of the visible rectangle */
 251                 int startbottomx; /* x co-ordinate of start point shifted to intersect the bottom of the visible rectangle */
 252                 int width;
 253                 COLORREF col;
 254                 HBRUSH hbrush, hprevbrush;
 255                 int leftx, rightx; /* x co-ordinates where the leftmost and rightmost gradient lines hit the top of the visible rectangle */
 256                 int x;
 257                 int tilt; /* horizontal distance covered by a gradient line */
 258
 259                 startx = roundr((rc.top - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
 260                 endx = roundr((rc.top - endpointsf[1].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[1].X);
 261                 width = endx - startx;
 262                 startbottomx = roundr((rc.bottom - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
 263                 tilt = startx - startbottomx;
 264
 265                 if (startx >= startbottomx)
 266                 {
 267                     leftx = rc.left;
 268                     rightx = rc.right + tilt;
 269                 }
 270                 else
 271                 {
 272                     leftx = rc.left + tilt;
 273                     rightx = rc.right;
 274                 }
 275
 276                 poly[0].y = rc.bottom;
 277                 poly[1].y = rc.top;
 278                 poly[2].y = rc.top;
 279                 poly[3].y = rc.bottom;
 280
 281                 for (x=leftx; x<=rightx; x++)
 282                 {
 283                     ARGB argb = blend_line_gradient(line, (x-startx)/(REAL)width);
 284                     col = ARGB2COLORREF(argb);
 285                     hbrush = CreateSolidBrush(col);
 286                     hprevbrush = SelectObject(graphics->hdc, hbrush);
 287                     poly[0].x = x - tilt - 1;
 288                     poly[1].x = x - 1;
 289                     poly[2].x = x;
 290                     poly[3].x = x - tilt;
 291                     Polygon(graphics->hdc, poly, 4);
 292                     SelectObject(graphics->hdc, hprevbrush);
 293                     DeleteObject(hbrush);
 294                 }
 295             }
 296             else if (endpointsi[0].y != endpointsi[1].y)
 297             {
 298                 /* horizontal-ish gradient */
 299                 int starty, endy; /* y co-ordinates of endpoints shifted to intersect the left of the visible rectangle */
 300                 int startrighty; /* y co-ordinate of start point shifted to intersect the right of the visible rectangle */
 301                 int height;
 302                 COLORREF col;
 303                 HBRUSH hbrush, hprevbrush;
 304                 int topy, bottomy; /* y co-ordinates where the topmost and bottommost gradient lines hit the left of the visible rectangle */
 305                 int y;
 306                 int tilt; /* vertical distance covered by a gradient line */
 307
 308                 starty = roundr((rc.left - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
 309                 endy = roundr((rc.left - endpointsf[1].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[1].Y);
 310                 height = endy - starty;
 311                 startrighty = roundr((rc.right - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
 312                 tilt = starty - startrighty;
 313
 314                 if (starty >= startrighty)
 315                 {
 316                     topy = rc.top;
 317                     bottomy = rc.bottom + tilt;
 318                 }
 319                 else
 320                 {
 321                     topy = rc.top + tilt;
 322                     bottomy = rc.bottom;
 323                 }
 324
 325                 poly[0].x = rc.right;
 326                 poly[1].x = rc.left;
 327                 poly[2].x = rc.left;
 328                 poly[3].x = rc.right;
 329
 330                 for (y=topy; y<=bottomy; y++)
 331                 {
 332                     ARGB argb = blend_line_gradient(line, (y-starty)/(REAL)height);
 333                     col = ARGB2COLORREF(argb);
 334                     hbrush = CreateSolidBrush(col);
 335                     hprevbrush = SelectObject(graphics->hdc, hbrush);
 336                     poly[0].y = y - tilt - 1;
 337                     poly[1].y = y - 1;
 338                     poly[2].y = y;
 339                     poly[3].y = y - tilt;
 340                     Polygon(graphics->hdc, poly, 4);
 341                     SelectObject(graphics->hdc, hprevbrush);
 342                     DeleteObject(hbrush);
 343                 }
 344             }
 345             /* else startpoint == endpoint */
 346         }
 347         break;
 348     }
 349     case BrushTypeSolidColor:
 350     {
 351         GpSolidFill *fill = (GpSolidFill*)brush;
 352         if (fill->bmp)
 353         {
 354             RECT rc;
 355             /* partially transparent fill */
 356
 357             SelectClipPath(graphics->hdc, RGN_AND);
 358             if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
 359             {
 360                 HDC hdc = CreateCompatibleDC(NULL);
 361                 HBITMAP oldbmp;
 362                 BLENDFUNCTION bf;
 363
 364                 if (!hdc) break;
 365
 366                 oldbmp = SelectObject(hdc, fill->bmp);
 367
 368                 bf.BlendOp = AC_SRC_OVER;
 369                 bf.BlendFlags = 0;
 370                 bf.SourceConstantAlpha = 255;
 371                 bf.AlphaFormat = AC_SRC_ALPHA;
 372
 373                 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
 374
 375                 SelectObject(hdc, oldbmp);
 376                 DeleteDC(hdc);
 377             }
 378
 379             break;
 380         }
 381         /* else fall through */
 382     }
 383     default:
 384         SelectObject(graphics->hdc, brush->gdibrush);
 385         FillPath(graphics->hdc);
 386         break;
 387     }
 388 }
 389
 390 /* GdipDrawPie/GdipFillPie helper function */
 391 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
 392     REAL height, REAL startAngle, REAL sweepAngle)
 393 {
 394     GpPointF ptf[4];
 395     POINT pti[4];
 396
 397     ptf[0].X = x;
 398     ptf[0].Y = y;
 399     ptf[1].X = x + width;
 400     ptf[1].Y = y + height;
 401
 402     deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
 403     deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
 404
 405     transform_and_round_points(graphics, pti, ptf, 4);
 406
 407     Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
 408         pti[2].y, pti[3].x, pti[3].y);
 409 }
 410
 411 /* Draws the linecap the specified color and size on the hdc.  The linecap is in
 412  * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
 413  * should not be called on an hdc that has a path you care about. */
 414 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
 415     const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
 416 {
 417     HGDIOBJ oldbrush = NULL, oldpen = NULL;
 418     GpMatrix *matrix = NULL;
 419     HBRUSH brush = NULL;
 420     HPEN pen = NULL;
 421     PointF ptf[4], *custptf = NULL;
 422     POINT pt[4], *custpt = NULL;
 423     BYTE *tp = NULL;
 424     REAL theta, dsmall, dbig, dx, dy = 0.0;
 425     INT i, count;
 426     LOGBRUSH lb;
 427     BOOL customstroke;
 428
 429     if((x1 == x2) && (y1 == y2))
 430         return;
 431
 432     theta = gdiplus_atan2(y2 - y1, x2 - x1);
 433
 434     customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
 435     if(!customstroke){
 436         brush = CreateSolidBrush(color);
 437         lb.lbStyle = BS_SOLID;
 438         lb.lbColor = color;
 439         lb.lbHatch = 0;
 440         pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
 441                            PS_JOIN_MITER, 1, &lb, 0,
 442                            NULL);
 443         oldbrush = SelectObject(graphics->hdc, brush);
 444         oldpen = SelectObject(graphics->hdc, pen);
 445     }
 446
 447     switch(cap){
 448         case LineCapFlat:
 449             break;
 450         case LineCapSquare:
 451         case LineCapSquareAnchor:
 452         case LineCapDiamondAnchor:
 453             size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
 454             if(cap == LineCapDiamondAnchor){
 455                 dsmall = cos(theta + M_PI_2) * size;
 456                 dbig = sin(theta + M_PI_2) * size;
 457             }
 458             else{
 459                 dsmall = cos(theta + M_PI_4) * size;
 460                 dbig = sin(theta + M_PI_4) * size;
 461             }
 462
 463             ptf[0].X = x2 - dsmall;
 464             ptf[1].X = x2 + dbig;
 465
 466             ptf[0].Y = y2 - dbig;
 467             ptf[3].Y = y2 + dsmall;
 468
 469             ptf[1].Y = y2 - dsmall;
 470             ptf[2].Y = y2 + dbig;
 471
 472             ptf[3].X = x2 - dbig;
 473             ptf[2].X = x2 + dsmall;
 474
 475             transform_and_round_points(graphics, pt, ptf, 4);
 476             Polygon(graphics->hdc, pt, 4);
 477
 478             break;
 479         case LineCapArrowAnchor:
 480             size = size * 4.0 / sqrt(3.0);
 481
 482             dx = cos(M_PI / 6.0 + theta) * size;
 483             dy = sin(M_PI / 6.0 + theta) * size;
 484
 485             ptf[0].X = x2 - dx;
 486             ptf[0].Y = y2 - dy;
 487
 488             dx = cos(- M_PI / 6.0 + theta) * size;
 489             dy = sin(- M_PI / 6.0 + theta) * size;
 490
 491             ptf[1].X = x2 - dx;
 492             ptf[1].Y = y2 - dy;
 493
 494             ptf[2].X = x2;
 495             ptf[2].Y = y2;
 496
 497             transform_and_round_points(graphics, pt, ptf, 3);
 498             Polygon(graphics->hdc, pt, 3);
 499
 500             break;
 501         case LineCapRoundAnchor:
 502             dx = dy = ANCHOR_WIDTH * size / 2.0;
 503
 504             ptf[0].X = x2 - dx;
 505             ptf[0].Y = y2 - dy;
 506             ptf[1].X = x2 + dx;
 507             ptf[1].Y = y2 + dy;
 508
 509             transform_and_round_points(graphics, pt, ptf, 2);
 510             Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
 511
 512             break;
 513         case LineCapTriangle:
 514             size = size / 2.0;
 515             dx = cos(M_PI_2 + theta) * size;
 516             dy = sin(M_PI_2 + theta) * size;
 517
 518             ptf[0].X = x2 - dx;
 519             ptf[0].Y = y2 - dy;
 520             ptf[1].X = x2 + dx;
 521             ptf[1].Y = y2 + dy;
 522
 523             dx = cos(theta) * size;
 524             dy = sin(theta) * size;
 525
 526             ptf[2].X = x2 + dx;
 527             ptf[2].Y = y2 + dy;
 528
 529             transform_and_round_points(graphics, pt, ptf, 3);
 530             Polygon(graphics->hdc, pt, 3);
 531
 532             break;
 533         case LineCapRound:
 534             dx = dy = size / 2.0;
 535
 536             ptf[0].X = x2 - dx;
 537             ptf[0].Y = y2 - dy;
 538             ptf[1].X = x2 + dx;
 539             ptf[1].Y = y2 + dy;
 540
 541             dx = -cos(M_PI_2 + theta) * size;
 542             dy = -sin(M_PI_2 + theta) * size;
 543
 544             ptf[2].X = x2 - dx;
 545             ptf[2].Y = y2 - dy;
 546             ptf[3].X = x2 + dx;
 547             ptf[3].Y = y2 + dy;
 548
 549             transform_and_round_points(graphics, pt, ptf, 4);
 550             Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
 551                 pt[2].y, pt[3].x, pt[3].y);
 552
 553             break;
 554         case LineCapCustom:
 555             if(!custom)
 556                 break;
 557
 558             count = custom->pathdata.Count;
 559             custptf = GdipAlloc(count * sizeof(PointF));
 560             custpt = GdipAlloc(count * sizeof(POINT));
 561             tp = GdipAlloc(count);
 562
 563             if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
 564                 goto custend;
 565
 566             memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
 567
 568             GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
 569             GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
 570                              MatrixOrderAppend);
 571             GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
 572             GdipTransformMatrixPoints(matrix, custptf, count);
 573
 574             transform_and_round_points(graphics, custpt, custptf, count);
 575
 576             for(i = 0; i < count; i++)
 577                 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
 578
 579             if(custom->fill){
 580                 BeginPath(graphics->hdc);
 581                 PolyDraw(graphics->hdc, custpt, tp, count);
 582                 EndPath(graphics->hdc);
 583                 StrokeAndFillPath(graphics->hdc);
 584             }
 585             else
 586                 PolyDraw(graphics->hdc, custpt, tp, count);
 587
 588 custend:
 589             GdipFree(custptf);
 590             GdipFree(custpt);
 591             GdipFree(tp);
 592             GdipDeleteMatrix(matrix);
 593             break;
 594         default:
 595             break;
 596     }
 597
 598     if(!customstroke){
 599         SelectObject(graphics->hdc, oldbrush);
 600         SelectObject(graphics->hdc, oldpen);
 601         DeleteObject(brush);
 602         DeleteObject(pen);
 603     }
 604 }
 605
 606 /* Shortens the line by the given percent by changing x2, y2.
 607  * If percent is > 1.0 then the line will change direction.
 608  * If percent is negative it can lengthen the line. */
 609 static void shorten_line_percent(REAL x1, REAL  y1, REAL *x2, REAL *y2, REAL percent)
 610 {
 611     REAL dist, theta, dx, dy;
 612
 613     if((y1 == *y2) && (x1 == *x2))
 614         return;
 615
 616     dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
 617     theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
 618     dx = cos(theta) * dist;
 619     dy = sin(theta) * dist;
 620
 621     *x2 = *x2 + dx;
 622     *y2 = *y2 + dy;
 623 }
 624
 625 /* Shortens the line by the given amount by changing x2, y2.
 626  * If the amount is greater than the distance, the line will become length 0.
 627  * If the amount is negative, it can lengthen the line. */
 628 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
 629 {
 630     REAL dx, dy, percent;
 631
 632     dx = *x2 - x1;
 633     dy = *y2 - y1;
 634     if(dx == 0 && dy == 0)
 635         return;
 636
 637     percent = amt / sqrt(dx * dx + dy * dy);
 638     if(percent >= 1.0){
 639         *x2 = x1;
 640         *y2 = y1;
 641         return;
 642     }
 643
 644     shorten_line_percent(x1, y1, x2, y2, percent);
 645 }
 646
 647 /* Draws lines between the given points, and if caps is true then draws an endcap
 648  * at the end of the last line. */
 649 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
 650     GDIPCONST GpPointF * pt, INT count, BOOL caps)
 651 {
 652     POINT *pti = NULL;
 653     GpPointF *ptcopy = NULL;
 654     GpStatus status = GenericError;
 655
 656     if(!count)
 657         return Ok;
 658
 659     pti = GdipAlloc(count * sizeof(POINT));
 660     ptcopy = GdipAlloc(count * sizeof(GpPointF));
 661
 662     if(!pti || !ptcopy){
 663         status = OutOfMemory;
 664         goto end;
 665     }
 666
 667     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 668
 669     if(caps){
 670         if(pen->endcap == LineCapArrowAnchor)
 671             shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
 672                              &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
 673         else if((pen->endcap == LineCapCustom) && pen->customend)
 674             shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
 675                              &ptcopy[count-1].X, &ptcopy[count-1].Y,
 676                              pen->customend->inset * pen->width);
 677
 678         if(pen->startcap == LineCapArrowAnchor)
 679             shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
 680                              &ptcopy[0].X, &ptcopy[0].Y, pen->width);
 681         else if((pen->startcap == LineCapCustom) && pen->customstart)
 682             shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
 683                              &ptcopy[0].X, &ptcopy[0].Y,
 684                              pen->customstart->inset * pen->width);
 685
 686         draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 687                  pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
 688         draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 689                          pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
 690     }
 691
 692     transform_and_round_points(graphics, pti, ptcopy, count);
 693
 694     if(Polyline(graphics->hdc, pti, count))
 695         status = Ok;
 696
 697 end:
 698     GdipFree(pti);
 699     GdipFree(ptcopy);
 700
 701     return status;
 702 }
 703
 704 /* Conducts a linear search to find the bezier points that will back off
 705  * the endpoint of the curve by a distance of amt. Linear search works
 706  * better than binary in this case because there are multiple solutions,
 707  * and binary searches often find a bad one. I don't think this is what
 708  * Windows does but short of rendering the bezier without GDI's help it's
 709  * the best we can do. If rev then work from the start of the passed points
 710  * instead of the end. */
 711 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
 712 {
 713     GpPointF origpt[4];
 714     REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
 715     INT i, first = 0, second = 1, third = 2, fourth = 3;
 716
 717     if(rev){
 718         first = 3;
 719         second = 2;
 720         third = 1;
 721         fourth = 0;
 722     }
 723
 724     origx = pt[fourth].X;
 725     origy = pt[fourth].Y;
 726     memcpy(origpt, pt, sizeof(GpPointF) * 4);
 727
 728     for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
 729         /* reset bezier points to original values */
 730         memcpy(pt, origpt, sizeof(GpPointF) * 4);
 731         /* Perform magic on bezier points. Order is important here.*/
 732         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 733         shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
 734         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 735         shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
 736         shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
 737         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 738
 739         dx = pt[fourth].X - origx;
 740         dy = pt[fourth].Y - origy;
 741
 742         diff = sqrt(dx * dx + dy * dy);
 743         percent += 0.0005 * amt;
 744     }
 745 }
 746
 747 /* Draws bezier curves between given points, and if caps is true then draws an
 748  * endcap at the end of the last line. */
 749 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
 750     GDIPCONST GpPointF * pt, INT count, BOOL caps)
 751 {
 752     POINT *pti;
 753     GpPointF *ptcopy;
 754     GpStatus status = GenericError;
 755
 756     if(!count)
 757         return Ok;
 758
 759     pti = GdipAlloc(count * sizeof(POINT));
 760     ptcopy = GdipAlloc(count * sizeof(GpPointF));
 761
 762     if(!pti || !ptcopy){
 763         status = OutOfMemory;
 764         goto end;
 765     }
 766
 767     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 768
 769     if(caps){
 770         if(pen->endcap == LineCapArrowAnchor)
 771             shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
 772         else if((pen->endcap == LineCapCustom) && pen->customend)
 773             shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
 774                                FALSE);
 775
 776         if(pen->startcap == LineCapArrowAnchor)
 777             shorten_bezier_amt(ptcopy, pen->width, TRUE);
 778         else if((pen->startcap == LineCapCustom) && pen->customstart)
 779             shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
 780
 781         /* the direction of the line cap is parallel to the direction at the
 782          * end of the bezier (which, if it has been shortened, is not the same
 783          * as the direction from pt[count-2] to pt[count-1]) */
 784         draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 785             pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
 786             pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
 787             pt[count - 1].X, pt[count - 1].Y);
 788
 789         draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 790             pt[0].X - (ptcopy[0].X - ptcopy[1].X),
 791             pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
 792     }
 793
 794     transform_and_round_points(graphics, pti, ptcopy, count);
 795
 796     PolyBezier(graphics->hdc, pti, count);
 797
 798     status = Ok;
 799
 800 end:
 801     GdipFree(pti);
 802     GdipFree(ptcopy);
 803
 804     return status;
 805 }
 806
 807 /* Draws a combination of bezier curves and lines between points. */
 808 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
 809     GDIPCONST BYTE * types, INT count, BOOL caps)
 810 {
 811     POINT *pti = GdipAlloc(count * sizeof(POINT));
 812     BYTE *tp = GdipAlloc(count);
 813     GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
 814     INT i, j;
 815     GpStatus status = GenericError;
 816
 817     if(!count){
 818         status = Ok;
 819         goto end;
 820     }
 821     if(!pti || !tp || !ptcopy){
 822         status = OutOfMemory;
 823         goto end;
 824     }
 825
 826     for(i = 1; i < count; i++){
 827         if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
 828             if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
 829                 || !(types[i + 1] & PathPointTypeBezier)){
 830                 ERR("Bad bezier points\n");
 831                 goto end;
 832             }
 833             i += 2;
 834         }
 835     }
 836
 837     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 838
 839     /* If we are drawing caps, go through the points and adjust them accordingly,
 840      * and draw the caps. */
 841     if(caps){
 842         switch(types[count - 1] & PathPointTypePathTypeMask){
 843             case PathPointTypeBezier:
 844                 if(pen->endcap == LineCapArrowAnchor)
 845                     shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
 846                 else if((pen->endcap == LineCapCustom) && pen->customend)
 847                     shorten_bezier_amt(&ptcopy[count - 4],
 848                                        pen->width * pen->customend->inset, FALSE);
 849
 850                 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 851                     pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
 852                     pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
 853                     pt[count - 1].X, pt[count - 1].Y);
 854
 855                 break;
 856             case PathPointTypeLine:
 857                 if(pen->endcap == LineCapArrowAnchor)
 858                     shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
 859                                      &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
 860                                      pen->width);
 861                 else if((pen->endcap == LineCapCustom) && pen->customend)
 862                     shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
 863                                      &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
 864                                      pen->customend->inset * pen->width);
 865
 866                 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 867                          pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
 868                          pt[count - 1].Y);
 869
 870                 break;
 871             default:
 872                 ERR("Bad path last point\n");
 873                 goto end;
 874         }
 875
 876         /* Find start of points */
 877         for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
 878             == PathPointTypeStart); j++);
 879
 880         switch(types[j] & PathPointTypePathTypeMask){
 881             case PathPointTypeBezier:
 882                 if(pen->startcap == LineCapArrowAnchor)
 883                     shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
 884                 else if((pen->startcap == LineCapCustom) && pen->customstart)
 885                     shorten_bezier_amt(&ptcopy[j - 1],
 886                                        pen->width * pen->customstart->inset, TRUE);
 887
 888                 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 889                     pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
 890                     pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
 891                     pt[j - 1].X, pt[j - 1].Y);
 892
 893                 break;
 894             case PathPointTypeLine:
 895                 if(pen->startcap == LineCapArrowAnchor)
 896                     shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
 897                                      &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
 898                                      pen->width);
 899                 else if((pen->startcap == LineCapCustom) && pen->customstart)
 900                     shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
 901                                      &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
 902                                      pen->customstart->inset * pen->width);
 903
 904                 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 905                          pt[j].X, pt[j].Y, pt[j - 1].X,
 906                          pt[j - 1].Y);
 907
 908                 break;
 909             default:
 910                 ERR("Bad path points\n");
 911                 goto end;
 912         }
 913     }
 914
 915     transform_and_round_points(graphics, pti, ptcopy, count);
 916
 917     for(i = 0; i < count; i++){
 918         tp[i] = convert_path_point_type(types[i]);
 919     }
 920
 921     PolyDraw(graphics->hdc, pti, tp, count);
 922
 923     status = Ok;
 924
 925 end:
 926     GdipFree(pti);
 927     GdipFree(ptcopy);
 928     GdipFree(tp);
 929
 930     return status;
 931 }
 932
 933 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
 934 {
 935     GpStatus result;
 936
 937     BeginPath(graphics->hdc);
 938     result = draw_poly(graphics, NULL, path->pathdata.Points,
 939                        path->pathdata.Types, path->pathdata.Count, FALSE);
 940     EndPath(graphics->hdc);
 941     return result;
 942 }
 943
 944 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
 945 {
 946     TRACE("(%p, %p)\n", hdc, graphics);
 947
 948     return GdipCreateFromHDC2(hdc, NULL, graphics);
 949 }
 950
 951 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
 952 {
 953     GpStatus retval;
 954
 955     TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
 956
 957     if(hDevice != NULL) {
 958         FIXME("Don't know how to hadle parameter hDevice\n");
 959         return NotImplemented;
 960     }
 961
 962     if(hdc == NULL)
 963         return OutOfMemory;
 964
 965     if(graphics == NULL)
 966         return InvalidParameter;
 967
 968     *graphics = GdipAlloc(sizeof(GpGraphics));
 969     if(!*graphics)  return OutOfMemory;
 970
 971     if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
 972         GdipFree(*graphics);
 973         return retval;
 974     }
 975
 976     if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
 977         GdipFree((*graphics)->worldtrans);
 978         GdipFree(*graphics);
 979         return retval;
 980     }
 981
 982     (*graphics)->hdc = hdc;
 983     (*graphics)->hwnd = WindowFromDC(hdc);
 984     (*graphics)->owndc = FALSE;
 985     (*graphics)->smoothing = SmoothingModeDefault;
 986     (*graphics)->compqual = CompositingQualityDefault;
 987     (*graphics)->interpolation = InterpolationModeDefault;
 988     (*graphics)->pixeloffset = PixelOffsetModeDefault;
 989     (*graphics)->compmode = CompositingModeSourceOver;
 990     (*graphics)->unit = UnitDisplay;
 991     (*graphics)->scale = 1.0;
 992     (*graphics)->busy = FALSE;
 993     (*graphics)->textcontrast = 4;
 994
 995     return Ok;
 996 }
 997
 998 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
 999 {
1000     GpStatus ret;
1001     HDC hdc;
1002
1003     TRACE("(%p, %p)\n", hwnd, graphics);
1004
1005     hdc = GetDC(hwnd);
1006
1007     if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
1008     {
1009         ReleaseDC(hwnd, hdc);
1010         return ret;
1011     }
1012
1013     (*graphics)->hwnd = hwnd;
1014     (*graphics)->owndc = TRUE;
1015
1016     return Ok;
1017 }
1018
1019 /* FIXME: no icm handling */
1020 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
1021 {
1022     TRACE("(%p, %p)\n", hwnd, graphics);
1023
1024     return GdipCreateFromHWND(hwnd, graphics);
1025 }
1026
1027 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
1028     GpMetafile **metafile)
1029 {
1030     static int calls;
1031
1032     if(!hemf || !metafile)
1033         return InvalidParameter;
1034
1035     if(!(calls++))
1036         FIXME("not implemented\n");
1037
1038     return NotImplemented;
1039 }
1040
1041 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
1042     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1043 {
1044     IStream *stream = NULL;
1045     UINT read;
1046     BYTE* copy;
1047     HENHMETAFILE hemf;
1048     GpStatus retval = GenericError;
1049
1050     TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
1051
1052     if(!hwmf || !metafile || !placeable)
1053         return InvalidParameter;
1054
1055     *metafile = NULL;
1056     read = GetMetaFileBitsEx(hwmf, 0, NULL);
1057     if(!read)
1058         return GenericError;
1059     copy = GdipAlloc(read);
1060     GetMetaFileBitsEx(hwmf, read, copy);
1061
1062     hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
1063     GdipFree(copy);
1064
1065     read = GetEnhMetaFileBits(hemf, 0, NULL);
1066     copy = GdipAlloc(read);
1067     GetEnhMetaFileBits(hemf, read, copy);
1068     DeleteEnhMetaFile(hemf);
1069
1070     if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
1071         ERR("could not make stream\n");
1072         GdipFree(copy);
1073         goto err;
1074     }
1075
1076     *metafile = GdipAlloc(sizeof(GpMetafile));
1077     if(!*metafile){
1078         retval = OutOfMemory;
1079         goto err;
1080     }
1081
1082     if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1083         (LPVOID*) &((*metafile)->image.picture)) != S_OK)
1084         goto err;
1085
1086
1087     (*metafile)->image.type = ImageTypeMetafile;
1088     (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
1089     (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Right) / ((REAL) placeable->Inch);
1090     (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
1091                     - placeable->BoundingBox.Left)) / ((REAL) placeable->Inch);
1092     (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
1093                    - placeable->BoundingBox.Top)) / ((REAL) placeable->Inch);
1094     (*metafile)->unit = UnitInch;
1095
1096     if(delete)
1097         DeleteMetaFile(hwmf);
1098
1099     return Ok;
1100
1101 err:
1102     GdipFree(*metafile);
1103     IStream_Release(stream);
1104     return retval;
1105 }
1106
1107 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
1108     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1109 {
1110     HMETAFILE hmf = GetMetaFileW(file);
1111
1112     TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
1113
1114     if(!hmf) return InvalidParameter;
1115
1116     return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
1117 }
1118
1119 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
1120     UINT access, IStream **stream)
1121 {
1122     DWORD dwMode;
1123     HRESULT ret;
1124
1125     TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
1126
1127     if(!stream || !filename)
1128         return InvalidParameter;
1129
1130     if(access & GENERIC_WRITE)
1131         dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
1132     else if(access & GENERIC_READ)
1133         dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
1134     else
1135         return InvalidParameter;
1136
1137     ret = SHCreateStreamOnFileW(filename, dwMode, stream);
1138
1139     return hresult_to_status(ret);
1140 }
1141
1142 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
1143 {
1144     TRACE("(%p)\n", graphics);
1145
1146     if(!graphics) return InvalidParameter;
1147     if(graphics->busy) return ObjectBusy;
1148
1149     if(graphics->owndc)
1150         ReleaseDC(graphics->hwnd, graphics->hdc);
1151
1152     GdipDeleteRegion(graphics->clip);
1153     GdipDeleteMatrix(graphics->worldtrans);
1154     GdipFree(graphics);
1155
1156     return Ok;
1157 }
1158
1159 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
1160     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1161 {
1162     INT save_state, num_pts;
1163     GpPointF points[MAX_ARC_PTS];
1164     GpStatus retval;
1165
1166     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1167           width, height, startAngle, sweepAngle);
1168
1169     if(!graphics || !pen || width <= 0 || height <= 0)
1170         return InvalidParameter;
1171
1172     if(graphics->busy)
1173         return ObjectBusy;
1174
1175     num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
1176
1177     save_state = prepare_dc(graphics, pen);
1178
1179     retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
1180
1181     restore_dc(graphics, save_state);
1182
1183     return retval;
1184 }
1185
1186 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
1187     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1188 {
1189     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1190           width, height, startAngle, sweepAngle);
1191
1192     return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1193 }
1194
1195 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
1196     REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
1197 {
1198     INT save_state;
1199     GpPointF pt[4];
1200     GpStatus retval;
1201
1202     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
1203           x2, y2, x3, y3, x4, y4);
1204
1205     if(!graphics || !pen)
1206         return InvalidParameter;
1207
1208     if(graphics->busy)
1209         return ObjectBusy;
1210
1211     pt[0].X = x1;
1212     pt[0].Y = y1;
1213     pt[1].X = x2;
1214     pt[1].Y = y2;
1215     pt[2].X = x3;
1216     pt[2].Y = y3;
1217     pt[3].X = x4;
1218     pt[3].Y = y4;
1219
1220     save_state = prepare_dc(graphics, pen);
1221
1222     retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1223
1224     restore_dc(graphics, save_state);
1225
1226     return retval;
1227 }
1228
1229 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
1230     INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
1231 {
1232     INT save_state;
1233     GpPointF pt[4];
1234     GpStatus retval;
1235
1236     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
1237           x2, y2, x3, y3, x4, y4);
1238
1239     if(!graphics || !pen)
1240         return InvalidParameter;
1241
1242     if(graphics->busy)
1243         return ObjectBusy;
1244
1245     pt[0].X = x1;
1246     pt[0].Y = y1;
1247     pt[1].X = x2;
1248     pt[1].Y = y2;
1249     pt[2].X = x3;
1250     pt[2].Y = y3;
1251     pt[3].X = x4;
1252     pt[3].Y = y4;
1253
1254     save_state = prepare_dc(graphics, pen);
1255
1256     retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1257
1258     restore_dc(graphics, save_state);
1259
1260     return retval;
1261 }
1262
1263 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
1264     GDIPCONST GpPointF *points, INT count)
1265 {
1266     INT i;
1267     GpStatus ret;
1268
1269     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1270
1271     if(!graphics || !pen || !points || (count <= 0))
1272         return InvalidParameter;
1273
1274     if(graphics->busy)
1275         return ObjectBusy;
1276
1277     for(i = 0; i < floor(count / 4); i++){
1278         ret = GdipDrawBezier(graphics, pen,
1279                              points[4*i].X, points[4*i].Y,
1280                              points[4*i + 1].X, points[4*i + 1].Y,
1281                              points[4*i + 2].X, points[4*i + 2].Y,
1282                              points[4*i + 3].X, points[4*i + 3].Y);
1283         if(ret != Ok)
1284             return ret;
1285     }
1286
1287     return Ok;
1288 }
1289
1290 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
1291     GDIPCONST GpPoint *points, INT count)
1292 {
1293     GpPointF *pts;
1294     GpStatus ret;
1295     INT i;
1296
1297     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1298
1299     if(!graphics || !pen || !points || (count <= 0))
1300         return InvalidParameter;
1301
1302     if(graphics->busy)
1303         return ObjectBusy;
1304
1305     pts = GdipAlloc(sizeof(GpPointF) * count);
1306     if(!pts)
1307         return OutOfMemory;
1308
1309     for(i = 0; i < count; i++){
1310         pts[i].X = (REAL)points[i].X;
1311         pts[i].Y = (REAL)points[i].Y;
1312     }
1313
1314     ret = GdipDrawBeziers(graphics,pen,pts,count);
1315
1316     GdipFree(pts);
1317
1318     return ret;
1319 }
1320
1321 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
1322     GDIPCONST GpPointF *points, INT count)
1323 {
1324     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1325
1326     return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
1327 }
1328
1329 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
1330     GDIPCONST GpPoint *points, INT count)
1331 {
1332     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1333
1334     return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
1335 }
1336
1337 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
1338     GDIPCONST GpPointF *points, INT count, REAL tension)
1339 {
1340     GpPath *path;
1341     GpStatus stat;
1342
1343     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1344
1345     if(!graphics || !pen || !points || count <= 0)
1346         return InvalidParameter;
1347
1348     if(graphics->busy)
1349         return ObjectBusy;
1350
1351     if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
1352         return stat;
1353
1354     stat = GdipAddPathClosedCurve2(path, points, count, tension);
1355     if(stat != Ok){
1356         GdipDeletePath(path);
1357         return stat;
1358     }
1359
1360     stat = GdipDrawPath(graphics, pen, path);
1361
1362     GdipDeletePath(path);
1363
1364     return stat;
1365 }
1366
1367 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
1368     GDIPCONST GpPoint *points, INT count, REAL tension)
1369 {
1370     GpPointF *ptf;
1371     GpStatus stat;
1372     INT i;
1373
1374     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1375
1376     if(!points || count <= 0)
1377         return InvalidParameter;
1378
1379     ptf = GdipAlloc(sizeof(GpPointF)*count);
1380     if(!ptf)
1381         return OutOfMemory;
1382
1383     for(i = 0; i < count; i++){
1384         ptf[i].X = (REAL)points[i].X;
1385         ptf[i].Y = (REAL)points[i].Y;
1386     }
1387
1388     stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
1389
1390     GdipFree(ptf);
1391
1392     return stat;
1393 }
1394
1395 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
1396     GDIPCONST GpPointF *points, INT count)
1397 {
1398     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1399
1400     return GdipDrawCurve2(graphics,pen,points,count,1.0);
1401 }
1402
1403 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
1404     GDIPCONST GpPoint *points, INT count)
1405 {
1406     GpPointF *pointsF;
1407     GpStatus ret;
1408     INT i;
1409
1410     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1411
1412     if(!points || count <= 0)
1413         return InvalidParameter;
1414
1415     pointsF = GdipAlloc(sizeof(GpPointF)*count);
1416     if(!pointsF)
1417         return OutOfMemory;
1418
1419     for(i = 0; i < count; i++){
1420         pointsF[i].X = (REAL)points[i].X;
1421         pointsF[i].Y = (REAL)points[i].Y;
1422     }
1423
1424     ret = GdipDrawCurve(graphics,pen,pointsF,count);
1425     GdipFree(pointsF);
1426
1427     return ret;
1428 }
1429
1430 /* Approximates cardinal spline with Bezier curves. */
1431 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
1432     GDIPCONST GpPointF *points, INT count, REAL tension)
1433 {
1434     /* PolyBezier expects count*3-2 points. */
1435     INT i, len_pt = count*3-2, save_state;
1436     GpPointF *pt;
1437     REAL x1, x2, y1, y2;
1438     GpStatus retval;
1439
1440     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1441
1442     if(!graphics || !pen)
1443         return InvalidParameter;
1444
1445     if(graphics->busy)
1446         return ObjectBusy;
1447
1448     pt = GdipAlloc(len_pt * sizeof(GpPointF));
1449     tension = tension * TENSION_CONST;
1450
1451     calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
1452         tension, &x1, &y1);
1453
1454     pt[0].X = points[0].X;
1455     pt[0].Y = points[0].Y;
1456     pt[1].X = x1;
1457     pt[1].Y = y1;
1458
1459     for(i = 0; i < count-2; i++){
1460         calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
1461
1462         pt[3*i+2].X = x1;
1463         pt[3*i+2].Y = y1;
1464         pt[3*i+3].X = points[i+1].X;
1465         pt[3*i+3].Y = points[i+1].Y;
1466         pt[3*i+4].X = x2;
1467         pt[3*i+4].Y = y2;
1468     }
1469
1470     calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
1471         points[count-2].X, points[count-2].Y, tension, &x1, &y1);
1472
1473     pt[len_pt-2].X = x1;
1474     pt[len_pt-2].Y = y1;
1475     pt[len_pt-1].X = points[count-1].X;
1476     pt[len_pt-1].Y = points[count-1].Y;
1477
1478     save_state = prepare_dc(graphics, pen);
1479
1480     retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
1481
1482     GdipFree(pt);
1483     restore_dc(graphics, save_state);
1484
1485     return retval;
1486 }
1487
1488 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
1489     GDIPCONST GpPoint *points, INT count, REAL tension)
1490 {
1491     GpPointF *pointsF;
1492     GpStatus ret;
1493     INT i;
1494
1495     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1496
1497     if(!points || count <= 0)
1498         return InvalidParameter;
1499
1500     pointsF = GdipAlloc(sizeof(GpPointF)*count);
1501     if(!pointsF)
1502         return OutOfMemory;
1503
1504     for(i = 0; i < count; i++){
1505         pointsF[i].X = (REAL)points[i].X;
1506         pointsF[i].Y = (REAL)points[i].Y;
1507     }
1508
1509     ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
1510     GdipFree(pointsF);
1511
1512     return ret;
1513 }
1514
1515 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
1516     REAL y, REAL width, REAL height)
1517 {
1518     INT save_state;
1519     GpPointF ptf[2];
1520     POINT pti[2];
1521
1522     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1523
1524     if(!graphics || !pen)
1525         return InvalidParameter;
1526
1527     if(graphics->busy)
1528         return ObjectBusy;
1529
1530     ptf[0].X = x;
1531     ptf[0].Y = y;
1532     ptf[1].X = x + width;
1533     ptf[1].Y = y + height;
1534
1535     save_state = prepare_dc(graphics, pen);
1536     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1537
1538     transform_and_round_points(graphics, pti, ptf, 2);
1539
1540     Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
1541
1542     restore_dc(graphics, save_state);
1543
1544     return Ok;
1545 }
1546
1547 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
1548     INT y, INT width, INT height)
1549 {
1550     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
1551
1552     return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1553 }
1554
1555
1556 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
1557 {
1558     TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
1559
1560     /* IPicture::Render uses LONG coords */
1561     return GdipDrawImageI(graphics,image,roundr(x),roundr(y));
1562 }
1563
1564 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
1565     INT y)
1566 {
1567     UINT width, height, srcw, srch;
1568
1569     TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
1570
1571     if(!graphics || !image)
1572         return InvalidParameter;
1573
1574     GdipGetImageWidth(image, &width);
1575     GdipGetImageHeight(image, &height);
1576
1577     srcw = width * (((REAL) INCH_HIMETRIC) /
1578             ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX)));
1579     srch = height * (((REAL) INCH_HIMETRIC) /
1580             ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY)));
1581
1582     if(image->type != ImageTypeMetafile){
1583         y += height;
1584         height *= -1;
1585     }
1586
1587     IPicture_Render(image->picture, graphics->hdc, x, y, width, height,
1588                     0, 0, srcw, srch, NULL);
1589
1590     return Ok;
1591 }
1592
1593 /* FIXME: partially implemented (only works for rectangular parallelograms) */
1594 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
1595      GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
1596      REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1597      DrawImageAbort callback, VOID * callbackData)
1598 {
1599     GpPointF ptf[3];
1600     POINT pti[3];
1601     REAL dx, dy;
1602
1603     TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
1604           count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1605           callbackData);
1606
1607     if(!graphics || !image || !points || count != 3)
1608          return InvalidParameter;
1609
1610     if(srcUnit == UnitInch)
1611         dx = dy = (REAL) INCH_HIMETRIC;
1612     else if(srcUnit == UnitPixel){
1613         dx = ((REAL) INCH_HIMETRIC) /
1614              ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
1615         dy = ((REAL) INCH_HIMETRIC) /
1616              ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
1617     }
1618     else
1619         return NotImplemented;
1620
1621     memcpy(ptf, points, 3 * sizeof(GpPointF));
1622     transform_and_round_points(graphics, pti, ptf, 3);
1623
1624     /* IPicture renders bitmaps with the y-axis reversed
1625      * FIXME: flipping for unknown image type might not be correct. */
1626     if(image->type != ImageTypeMetafile){
1627         INT temp;
1628         temp = pti[0].y;
1629         pti[0].y = pti[2].y;
1630         pti[2].y = temp;
1631     }
1632
1633     if(IPicture_Render(image->picture, graphics->hdc,
1634         pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
1635         srcx * dx, srcy * dy,
1636         srcwidth * dx, srcheight * dy,
1637         NULL) != S_OK){
1638         if(callback)
1639             callback(callbackData);
1640         return GenericError;
1641     }
1642
1643     return Ok;
1644 }
1645
1646 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
1647      GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
1648      INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1649      DrawImageAbort callback, VOID * callbackData)
1650 {
1651     GpPointF pointsF[3];
1652     INT i;
1653
1654     TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
1655           srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1656           callbackData);
1657
1658     if(!points || count!=3)
1659         return InvalidParameter;
1660
1661     for(i = 0; i < count; i++){
1662         pointsF[i].X = (REAL)points[i].X;
1663         pointsF[i].Y = (REAL)points[i].Y;
1664     }
1665
1666     return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
1667                                    (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
1668                                    callback, callbackData);
1669 }
1670
1671 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
1672     REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
1673     REAL srcwidth, REAL srcheight, GpUnit srcUnit,
1674     GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
1675     VOID * callbackData)
1676 {
1677     GpPointF points[3];
1678
1679     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
1680           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1681           srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1682
1683     points[0].X = dstx;
1684     points[0].Y = dsty;
1685     points[1].X = dstx + dstwidth;
1686     points[1].Y = dsty;
1687     points[2].X = dstx;
1688     points[2].Y = dsty + dstheight;
1689
1690     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1691                srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1692 }
1693
1694 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
1695         INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
1696         INT srcwidth, INT srcheight, GpUnit srcUnit,
1697         GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
1698         VOID * callbackData)
1699 {
1700     GpPointF points[3];
1701
1702     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
1703           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1704           srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1705
1706     points[0].X = dstx;
1707     points[0].Y = dsty;
1708     points[1].X = dstx + dstwidth;
1709     points[1].Y = dsty;
1710     points[2].X = dstx;
1711     points[2].Y = dsty + dstheight;
1712
1713     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1714                srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1715 }
1716
1717 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
1718     REAL x, REAL y, REAL width, REAL height)
1719 {
1720     RectF bounds;
1721     GpUnit unit;
1722     GpStatus ret;
1723
1724     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
1725
1726     if(!graphics || !image)
1727         return InvalidParameter;
1728
1729     ret = GdipGetImageBounds(image, &bounds, &unit);
1730     if(ret != Ok)
1731         return ret;
1732
1733     return GdipDrawImageRectRect(graphics, image, x, y, width, height,
1734                                  bounds.X, bounds.Y, bounds.Width, bounds.Height,
1735                                  unit, NULL, NULL, NULL);
1736 }
1737
1738 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
1739     INT x, INT y, INT width, INT height)
1740 {
1741     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
1742
1743     return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
1744 }
1745
1746 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
1747     REAL y1, REAL x2, REAL y2)
1748 {
1749     INT save_state;
1750     GpPointF pt[2];
1751     GpStatus retval;
1752
1753     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
1754
1755     if(!pen || !graphics)
1756         return InvalidParameter;
1757
1758     if(graphics->busy)
1759         return ObjectBusy;
1760
1761     pt[0].X = x1;
1762     pt[0].Y = y1;
1763     pt[1].X = x2;
1764     pt[1].Y = y2;
1765
1766     save_state = prepare_dc(graphics, pen);
1767
1768     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
1769
1770     restore_dc(graphics, save_state);
1771
1772     return retval;
1773 }
1774
1775 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
1776     INT y1, INT x2, INT y2)
1777 {
1778     INT save_state;
1779     GpPointF pt[2];
1780     GpStatus retval;
1781
1782     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
1783
1784     if(!pen || !graphics)
1785         return InvalidParameter;
1786
1787     if(graphics->busy)
1788         return ObjectBusy;
1789
1790     pt[0].X = (REAL)x1;
1791     pt[0].Y = (REAL)y1;
1792     pt[1].X = (REAL)x2;
1793     pt[1].Y = (REAL)y2;
1794
1795     save_state = prepare_dc(graphics, pen);
1796
1797     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
1798
1799     restore_dc(graphics, save_state);
1800
1801     return retval;
1802 }
1803
1804 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
1805     GpPointF *points, INT count)
1806 {
1807     INT save_state;
1808     GpStatus retval;
1809
1810     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1811
1812     if(!pen || !graphics || (count < 2))
1813         return InvalidParameter;
1814
1815     if(graphics->busy)
1816         return ObjectBusy;
1817
1818     save_state = prepare_dc(graphics, pen);
1819
1820     retval = draw_polyline(graphics, pen, points, count, TRUE);
1821
1822     restore_dc(graphics, save_state);
1823
1824     return retval;
1825 }
1826
1827 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
1828     GpPoint *points, INT count)
1829 {
1830     INT save_state;
1831     GpStatus retval;
1832     GpPointF *ptf = NULL;
1833     int i;
1834
1835     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1836
1837     if(!pen || !graphics || (count < 2))
1838         return InvalidParameter;
1839
1840     if(graphics->busy)
1841         return ObjectBusy;
1842
1843     ptf = GdipAlloc(count * sizeof(GpPointF));
1844     if(!ptf) return OutOfMemory;
1845
1846     for(i = 0; i < count; i ++){
1847         ptf[i].X = (REAL) points[i].X;
1848         ptf[i].Y = (REAL) points[i].Y;
1849     }
1850
1851     save_state = prepare_dc(graphics, pen);
1852
1853     retval = draw_polyline(graphics, pen, ptf, count, TRUE);
1854
1855     restore_dc(graphics, save_state);
1856
1857     GdipFree(ptf);
1858     return retval;
1859 }
1860
1861 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
1862 {
1863     INT save_state;
1864     GpStatus retval;
1865
1866     TRACE("(%p, %p, %p)\n", graphics, pen, path);
1867
1868     if(!pen || !graphics)
1869         return InvalidParameter;
1870
1871     if(graphics->busy)
1872         return ObjectBusy;
1873
1874     save_state = prepare_dc(graphics, pen);
1875
1876     retval = draw_poly(graphics, pen, path->pathdata.Points,
1877                        path->pathdata.Types, path->pathdata.Count, TRUE);
1878
1879     restore_dc(graphics, save_state);
1880
1881     return retval;
1882 }
1883
1884 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
1885     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1886 {
1887     INT save_state;
1888
1889     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1890             width, height, startAngle, sweepAngle);
1891
1892     if(!graphics || !pen)
1893         return InvalidParameter;
1894
1895     if(graphics->busy)
1896         return ObjectBusy;
1897
1898     save_state = prepare_dc(graphics, pen);
1899     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1900
1901     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
1902
1903     restore_dc(graphics, save_state);
1904
1905     return Ok;
1906 }
1907
1908 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
1909     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1910 {
1911     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1912             width, height, startAngle, sweepAngle);
1913
1914     return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1915 }
1916
1917 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
1918     REAL y, REAL width, REAL height)
1919 {
1920     INT save_state;
1921     GpPointF ptf[4];
1922     POINT pti[4];
1923
1924     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1925
1926     if(!pen || !graphics)
1927         return InvalidParameter;
1928
1929     if(graphics->busy)
1930         return ObjectBusy;
1931
1932     ptf[0].X = x;
1933     ptf[0].Y = y;
1934     ptf[1].X = x + width;
1935     ptf[1].Y = y;
1936     ptf[2].X = x + width;
1937     ptf[2].Y = y + height;
1938     ptf[3].X = x;
1939     ptf[3].Y = y + height;
1940
1941     save_state = prepare_dc(graphics, pen);
1942     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1943
1944     transform_and_round_points(graphics, pti, ptf, 4);
1945     Polygon(graphics->hdc, pti, 4);
1946
1947     restore_dc(graphics, save_state);
1948
1949     return Ok;
1950 }
1951
1952 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
1953     INT y, INT width, INT height)
1954 {
1955     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
1956
1957     return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1958 }
1959
1960 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
1961     GDIPCONST GpRectF* rects, INT count)
1962 {
1963     GpPointF *ptf;
1964     POINT *pti;
1965     INT save_state, i;
1966
1967     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
1968
1969     if(!graphics || !pen || !rects || count < 1)
1970         return InvalidParameter;
1971
1972     if(graphics->busy)
1973         return ObjectBusy;
1974
1975     ptf = GdipAlloc(4 * count * sizeof(GpPointF));
1976     pti = GdipAlloc(4 * count * sizeof(POINT));
1977
1978     if(!ptf || !pti){
1979         GdipFree(ptf);
1980         GdipFree(pti);
1981         return OutOfMemory;
1982     }
1983
1984     for(i = 0; i < count; i++){
1985         ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
1986         ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
1987         ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
1988         ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
1989     }
1990
1991     save_state = prepare_dc(graphics, pen);
1992     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1993
1994     transform_and_round_points(graphics, pti, ptf, 4 * count);
1995
1996     for(i = 0; i < count; i++)
1997         Polygon(graphics->hdc, &pti[4 * i], 4);
1998
1999     restore_dc(graphics, save_state);
2000
2001     GdipFree(ptf);
2002     GdipFree(pti);
2003
2004     return Ok;
2005 }
2006
2007 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
2008     GDIPCONST GpRect* rects, INT count)
2009 {
2010     GpRectF *rectsF;
2011     GpStatus ret;
2012     INT i;
2013
2014     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2015
2016     if(!rects || count<=0)
2017         return InvalidParameter;
2018
2019     rectsF = GdipAlloc(sizeof(GpRectF) * count);
2020     if(!rectsF)
2021         return OutOfMemory;
2022
2023     for(i = 0;i < count;i++){
2024         rectsF[i].X      = (REAL)rects[i].X;
2025         rectsF[i].Y      = (REAL)rects[i].Y;
2026         rectsF[i].Width  = (REAL)rects[i].Width;
2027         rectsF[i].Height = (REAL)rects[i].Height;
2028     }
2029
2030     ret = GdipDrawRectangles(graphics, pen, rectsF, count);
2031     GdipFree(rectsF);
2032
2033     return ret;
2034 }
2035
2036 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
2037     INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
2038     GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
2039 {
2040     HRGN rgn = NULL;
2041     HFONT gdifont;
2042     LOGFONTW lfw;
2043     TEXTMETRICW textmet;
2044     GpPointF pt[2], rectcpy[4];
2045     POINT corners[4];
2046     WCHAR* stringdup;
2047     REAL angle, ang_cos, ang_sin, rel_width, rel_height;
2048     INT sum = 0, height = 0, fit, fitcpy, save_state, i, j, lret, nwidth,
2049         nheight;
2050     SIZE size;
2051     RECT drawcoord;
2052
2053     TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
2054         length, font, debugstr_rectf(rect), format, brush);
2055
2056     if(!graphics || !string || !font || !brush || !rect)
2057         return InvalidParameter;
2058
2059     if((brush->bt != BrushTypeSolidColor)){
2060         FIXME("not implemented for given parameters\n");
2061         return NotImplemented;
2062     }
2063
2064     if(format)
2065         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2066
2067     if(length == -1) length = lstrlenW(string);
2068
2069     stringdup = GdipAlloc(length * sizeof(WCHAR));
2070     if(!stringdup) return OutOfMemory;
2071
2072     save_state = SaveDC(graphics->hdc);
2073     SetBkMode(graphics->hdc, TRANSPARENT);
2074     SetTextColor(graphics->hdc, brush->lb.lbColor);
2075
2076     rectcpy[3].X = rectcpy[0].X = rect->X;
2077     rectcpy[1].Y = rectcpy[0].Y = rect->Y;
2078     rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
2079     rectcpy[3].Y = rectcpy[2].Y = rect->Y + rect->Height;
2080     transform_and_round_points(graphics, corners, rectcpy, 4);
2081
2082     if (roundr(rect->Width) == 0)
2083     {
2084         rel_width = 1.0;
2085         nwidth = INT_MAX;
2086     }
2087     else
2088     {
2089         rel_width = sqrt((corners[1].x - corners[0].x) * (corners[1].x - corners[0].x) +
2090                          (corners[1].y - corners[0].y) * (corners[1].y - corners[0].y))
2091                          / rect->Width;
2092         nwidth = roundr(rel_width * rect->Width);
2093     }
2094
2095     if (roundr(rect->Height) == 0)
2096     {
2097         rel_height = 1.0;
2098         nheight = INT_MAX;
2099     }
2100     else
2101     {
2102         rel_height = sqrt((corners[2].x - corners[1].x) * (corners[2].x - corners[1].x) +
2103                           (corners[2].y - corners[1].y) * (corners[2].y - corners[1].y))
2104                           / rect->Height;
2105         nheight = roundr(rel_height * rect->Height);
2106     }
2107
2108     if (roundr(rect->Width) != 0 && roundr(rect->Height) != 0)
2109     {
2110         /* FIXME: If only the width or only the height is 0, we should probably still clip */
2111         rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
2112         SelectClipRgn(graphics->hdc, rgn);
2113     }
2114
2115     /* Use gdi to find the font, then perform transformations on it (height,
2116      * width, angle). */
2117     SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2118     GetTextMetricsW(graphics->hdc, &textmet);
2119     lfw = font->lfw;
2120
2121     lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
2122     lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
2123
2124     pt[0].X = 0.0;
2125     pt[0].Y = 0.0;
2126     pt[1].X = 1.0;
2127     pt[1].Y = 0.0;
2128     GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
2129     angle = gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
2130     ang_cos = cos(angle);
2131     ang_sin = sin(angle);
2132     lfw.lfEscapement = lfw.lfOrientation = -roundr((angle / M_PI) * 1800.0);
2133
2134     gdifont = CreateFontIndirectW(&lfw);
2135     DeleteObject(SelectObject(graphics->hdc, CreateFontIndirectW(&lfw)));
2136
2137     for(i = 0, j = 0; i < length; i++){
2138         if(!isprintW(string[i]) && (string[i] != '\n'))
2139             continue;
2140
2141         stringdup[j] = string[i];
2142         j++;
2143     }
2144
2145     length = j;
2146
2147     while(sum < length){
2148         drawcoord.left = corners[0].x + roundr(ang_sin * (REAL) height);
2149         drawcoord.top = corners[0].y + roundr(ang_cos * (REAL) height);
2150
2151         GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
2152                               nwidth, &fit, NULL, &size);
2153         fitcpy = fit;
2154
2155         if(fit == 0){
2156             DrawTextW(graphics->hdc, stringdup + sum, 1, &drawcoord, DT_NOCLIP |
2157                       DT_EXPANDTABS);
2158             break;
2159         }
2160
2161         for(lret = 0; lret < fit; lret++)
2162             if(*(stringdup + sum + lret) == '\n')
2163                 break;
2164
2165         /* Line break code (may look strange, but it imitates windows). */
2166         if(lret < fit)
2167             fit = lret;    /* this is not an off-by-one error */
2168         else if(fit < (length - sum)){
2169             if(*(stringdup + sum + fit) == ' ')
2170                 while(*(stringdup + sum + fit) == ' ')
2171                     fit++;
2172             else
2173                 while(*(stringdup + sum + fit - 1) != ' '){
2174                     fit--;
2175
2176                     if(*(stringdup + sum + fit) == '\t')
2177                         break;
2178
2179                     if(fit == 0){
2180                         fit = fitcpy;
2181                         break;
2182                     }
2183                 }
2184         }
2185         DrawTextW(graphics->hdc, stringdup + sum, min(length - sum, fit),
2186                   &drawcoord, DT_NOCLIP | DT_EXPANDTABS);
2187
2188         sum += fit + (lret < fitcpy ? 1 : 0);
2189         height += size.cy;
2190
2191         if(height > nheight)
2192             break;
2193
2194         /* Stop if this was a linewrap (but not if it was a linebreak). */
2195         if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
2196             break;
2197     }
2198
2199     GdipFree(stringdup);
2200     DeleteObject(rgn);
2201     DeleteObject(gdifont);
2202
2203     RestoreDC(graphics->hdc, save_state);
2204
2205     return Ok;
2206 }
2207
2208 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
2209     GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
2210 {
2211     GpPath *path;
2212     GpStatus stat;
2213
2214     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2215             count, tension, fill);
2216
2217     if(!graphics || !brush || !points)
2218         return InvalidParameter;
2219
2220     if(graphics->busy)
2221         return ObjectBusy;
2222
2223     stat = GdipCreatePath(fill, &path);
2224     if(stat != Ok)
2225         return stat;
2226
2227     stat = GdipAddPathClosedCurve2(path, points, count, tension);
2228     if(stat != Ok){
2229         GdipDeletePath(path);
2230         return stat;
2231     }
2232
2233     stat = GdipFillPath(graphics, brush, path);
2234     if(stat != Ok){
2235         GdipDeletePath(path);
2236         return stat;
2237     }
2238
2239     GdipDeletePath(path);
2240
2241     return Ok;
2242 }
2243
2244 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
2245     GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
2246 {
2247     GpPointF *ptf;
2248     GpStatus stat;
2249     INT i;
2250
2251     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2252             count, tension, fill);
2253
2254     if(!points || count <= 0)
2255         return InvalidParameter;
2256
2257     ptf = GdipAlloc(sizeof(GpPointF)*count);
2258     if(!ptf)
2259         return OutOfMemory;
2260
2261     for(i = 0;i < count;i++){
2262         ptf[i].X = (REAL)points[i].X;
2263         ptf[i].Y = (REAL)points[i].Y;
2264     }
2265
2266     stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
2267
2268     GdipFree(ptf);
2269
2270     return stat;
2271 }
2272
2273 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
2274     REAL y, REAL width, REAL height)
2275 {
2276     INT save_state;
2277     GpPointF ptf[2];
2278     POINT pti[2];
2279
2280     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2281
2282     if(!graphics || !brush)
2283         return InvalidParameter;
2284
2285     if(graphics->busy)
2286         return ObjectBusy;
2287
2288     ptf[0].X = x;
2289     ptf[0].Y = y;
2290     ptf[1].X = x + width;
2291     ptf[1].Y = y + height;
2292
2293     save_state = SaveDC(graphics->hdc);
2294     EndPath(graphics->hdc);
2295     SelectObject(graphics->hdc, brush->gdibrush);
2296     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2297
2298     transform_and_round_points(graphics, pti, ptf, 2);
2299
2300     Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2301
2302     RestoreDC(graphics->hdc, save_state);
2303
2304     return Ok;
2305 }
2306
2307 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
2308     INT y, INT width, INT height)
2309 {
2310     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2311
2312     return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2313 }
2314
2315 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
2316 {
2317     INT save_state;
2318     GpStatus retval;
2319
2320     TRACE("(%p, %p, %p)\n", graphics, brush, path);
2321
2322     if(!brush || !graphics || !path)
2323         return InvalidParameter;
2324
2325     if(graphics->busy)
2326         return ObjectBusy;
2327
2328     save_state = SaveDC(graphics->hdc);
2329     EndPath(graphics->hdc);
2330     SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
2331                                                                     : WINDING));
2332
2333     BeginPath(graphics->hdc);
2334     retval = draw_poly(graphics, NULL, path->pathdata.Points,
2335                        path->pathdata.Types, path->pathdata.Count, FALSE);
2336
2337     if(retval != Ok)
2338         goto end;
2339
2340     EndPath(graphics->hdc);
2341     brush_fill_path(graphics, brush);
2342
2343     retval = Ok;
2344
2345 end:
2346     RestoreDC(graphics->hdc, save_state);
2347
2348     return retval;
2349 }
2350
2351 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
2352     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2353 {
2354     INT save_state;
2355
2356     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
2357             graphics, brush, x, y, width, height, startAngle, sweepAngle);
2358
2359     if(!graphics || !brush)
2360         return InvalidParameter;
2361
2362     if(graphics->busy)
2363         return ObjectBusy;
2364
2365     save_state = SaveDC(graphics->hdc);
2366     EndPath(graphics->hdc);
2367     SelectObject(graphics->hdc, brush->gdibrush);
2368     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2369
2370     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2371
2372     RestoreDC(graphics->hdc, save_state);
2373
2374     return Ok;
2375 }
2376
2377 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
2378     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2379 {
2380     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
2381             graphics, brush, x, y, width, height, startAngle, sweepAngle);
2382
2383     return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2384 }
2385
2386 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
2387     GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
2388 {
2389     INT save_state;
2390     GpPointF *ptf = NULL;
2391     POINT *pti = NULL;
2392     GpStatus retval = Ok;
2393
2394     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2395
2396     if(!graphics || !brush || !points || !count)
2397         return InvalidParameter;
2398
2399     if(graphics->busy)
2400         return ObjectBusy;
2401
2402     ptf = GdipAlloc(count * sizeof(GpPointF));
2403     pti = GdipAlloc(count * sizeof(POINT));
2404     if(!ptf || !pti){
2405         retval = OutOfMemory;
2406         goto end;
2407     }
2408
2409     memcpy(ptf, points, count * sizeof(GpPointF));
2410
2411     save_state = SaveDC(graphics->hdc);
2412     EndPath(graphics->hdc);
2413     SelectObject(graphics->hdc, brush->gdibrush);
2414     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2415     SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2416                                                                   : WINDING));
2417
2418     transform_and_round_points(graphics, pti, ptf, count);
2419     Polygon(graphics->hdc, pti, count);
2420
2421     RestoreDC(graphics->hdc, save_state);
2422
2423 end:
2424     GdipFree(ptf);
2425     GdipFree(pti);
2426
2427     return retval;
2428 }
2429
2430 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
2431     GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
2432 {
2433     INT save_state, i;
2434     GpPointF *ptf = NULL;
2435     POINT *pti = NULL;
2436     GpStatus retval = Ok;
2437
2438     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2439
2440     if(!graphics || !brush || !points || !count)
2441         return InvalidParameter;
2442
2443     if(graphics->busy)
2444         return ObjectBusy;
2445
2446     ptf = GdipAlloc(count * sizeof(GpPointF));
2447     pti = GdipAlloc(count * sizeof(POINT));
2448     if(!ptf || !pti){
2449         retval = OutOfMemory;
2450         goto end;
2451     }
2452
2453     for(i = 0; i < count; i ++){
2454         ptf[i].X = (REAL) points[i].X;
2455         ptf[i].Y = (REAL) points[i].Y;
2456     }
2457
2458     save_state = SaveDC(graphics->hdc);
2459     EndPath(graphics->hdc);
2460     SelectObject(graphics->hdc, brush->gdibrush);
2461     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2462     SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2463                                                                   : WINDING));
2464
2465     transform_and_round_points(graphics, pti, ptf, count);
2466     Polygon(graphics->hdc, pti, count);
2467
2468     RestoreDC(graphics->hdc, save_state);
2469
2470 end:
2471     GdipFree(ptf);
2472     GdipFree(pti);
2473
2474     return retval;
2475 }
2476
2477 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
2478     GDIPCONST GpPointF *points, INT count)
2479 {
2480     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2481
2482     return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
2483 }
2484
2485 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
2486     GDIPCONST GpPoint *points, INT count)
2487 {
2488     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2489
2490     return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
2491 }
2492
2493 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
2494     REAL x, REAL y, REAL width, REAL height)
2495 {
2496     INT save_state;
2497     GpPointF ptf[4];
2498     POINT pti[4];
2499
2500     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2501
2502     if(!graphics || !brush)
2503         return InvalidParameter;
2504
2505     if(graphics->busy)
2506         return ObjectBusy;
2507
2508     ptf[0].X = x;
2509     ptf[0].Y = y;
2510     ptf[1].X = x + width;
2511     ptf[1].Y = y;
2512     ptf[2].X = x + width;
2513     ptf[2].Y = y + height;
2514     ptf[3].X = x;
2515     ptf[3].Y = y + height;
2516
2517     save_state = SaveDC(graphics->hdc);
2518     EndPath(graphics->hdc);
2519
2520     transform_and_round_points(graphics, pti, ptf, 4);
2521
2522     BeginPath(graphics->hdc);
2523     Polygon(graphics->hdc, pti, 4);
2524     EndPath(graphics->hdc);
2525
2526     brush_fill_path(graphics, brush);
2527
2528     RestoreDC(graphics->hdc, save_state);
2529
2530     return Ok;
2531 }
2532
2533 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
2534     INT x, INT y, INT width, INT height)
2535 {
2536     INT save_state;
2537     GpPointF ptf[4];
2538     POINT pti[4];
2539
2540     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2541
2542     if(!graphics || !brush)
2543         return InvalidParameter;
2544
2545     if(graphics->busy)
2546         return ObjectBusy;
2547
2548     ptf[0].X = x;
2549     ptf[0].Y = y;
2550     ptf[1].X = x + width;
2551     ptf[1].Y = y;
2552     ptf[2].X = x + width;
2553     ptf[2].Y = y + height;
2554     ptf[3].X = x;
2555     ptf[3].Y = y + height;
2556
2557     save_state = SaveDC(graphics->hdc);
2558     EndPath(graphics->hdc);
2559     SelectObject(graphics->hdc, brush->gdibrush);
2560     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2561
2562     transform_and_round_points(graphics, pti, ptf, 4);
2563
2564     Polygon(graphics->hdc, pti, 4);
2565
2566     RestoreDC(graphics->hdc, save_state);
2567
2568     return Ok;
2569 }
2570
2571 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
2572     INT count)
2573 {
2574     GpStatus ret;
2575     INT i;
2576
2577     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2578
2579     if(!rects)
2580         return InvalidParameter;
2581
2582     for(i = 0; i < count; i++){
2583         ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
2584         if(ret != Ok)   return ret;
2585     }
2586
2587     return Ok;
2588 }
2589
2590 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
2591     INT count)
2592 {
2593     GpRectF *rectsF;
2594     GpStatus ret;
2595     INT i;
2596
2597     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2598
2599     if(!rects || count <= 0)
2600         return InvalidParameter;
2601
2602     rectsF = GdipAlloc(sizeof(GpRectF)*count);
2603     if(!rectsF)
2604         return OutOfMemory;
2605
2606     for(i = 0; i < count; i++){
2607         rectsF[i].X      = (REAL)rects[i].X;
2608         rectsF[i].Y      = (REAL)rects[i].Y;
2609         rectsF[i].X      = (REAL)rects[i].Width;
2610         rectsF[i].Height = (REAL)rects[i].Height;
2611     }
2612
2613     ret = GdipFillRectangles(graphics,brush,rectsF,count);
2614     GdipFree(rectsF);
2615
2616     return ret;
2617 }
2618
2619 /*****************************************************************************
2620  * GdipFillRegion [GDIPLUS.@]
2621  */
2622 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
2623         GpRegion* region)
2624 {
2625     INT save_state;
2626     GpStatus status;
2627     HRGN hrgn;
2628
2629     TRACE("(%p, %p, %p)\n", graphics, brush, region);
2630
2631     if (!(graphics && brush && region))
2632         return InvalidParameter;
2633
2634     if(graphics->busy)
2635         return ObjectBusy;
2636
2637     status = GdipGetRegionHRgn(region, graphics, &hrgn);
2638     if(status != Ok)
2639         return status;
2640
2641     save_state = SaveDC(graphics->hdc);
2642     EndPath(graphics->hdc);
2643     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2644
2645     FillRgn(graphics->hdc, hrgn, brush->gdibrush);
2646
2647     RestoreDC(graphics->hdc, save_state);
2648
2649     DeleteObject(hrgn);
2650
2651     return Ok;
2652 }
2653
2654 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
2655 {
2656     static int calls;
2657
2658     if(!graphics)
2659         return InvalidParameter;
2660
2661     if(graphics->busy)
2662         return ObjectBusy;
2663
2664     if(!(calls++))
2665         FIXME("not implemented\n");
2666
2667     return NotImplemented;
2668 }
2669
2670 /*****************************************************************************
2671  * GdipGetClipBounds [GDIPLUS.@]
2672  */
2673 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
2674 {
2675     TRACE("(%p, %p)\n", graphics, rect);
2676
2677     if(!graphics)
2678         return InvalidParameter;
2679
2680     if(graphics->busy)
2681         return ObjectBusy;
2682
2683     return GdipGetRegionBounds(graphics->clip, graphics, rect);
2684 }
2685
2686 /*****************************************************************************
2687  * GdipGetClipBoundsI [GDIPLUS.@]
2688  */
2689 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
2690 {
2691     TRACE("(%p, %p)\n", graphics, rect);
2692
2693     if(!graphics)
2694         return InvalidParameter;
2695
2696     if(graphics->busy)
2697         return ObjectBusy;
2698
2699     return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
2700 }
2701
2702 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
2703 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
2704     CompositingMode *mode)
2705 {
2706     TRACE("(%p, %p)\n", graphics, mode);
2707
2708     if(!graphics || !mode)
2709         return InvalidParameter;
2710
2711     if(graphics->busy)
2712         return ObjectBusy;
2713
2714     *mode = graphics->compmode;
2715
2716     return Ok;
2717 }
2718
2719 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
2720 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
2721     CompositingQuality *quality)
2722 {
2723     TRACE("(%p, %p)\n", graphics, quality);
2724
2725     if(!graphics || !quality)
2726         return InvalidParameter;
2727
2728     if(graphics->busy)
2729         return ObjectBusy;
2730
2731     *quality = graphics->compqual;
2732
2733     return Ok;
2734 }
2735
2736 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
2737 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
2738     InterpolationMode *mode)
2739 {
2740     TRACE("(%p, %p)\n", graphics, mode);
2741
2742     if(!graphics || !mode)
2743         return InvalidParameter;
2744
2745     if(graphics->busy)
2746         return ObjectBusy;
2747
2748     *mode = graphics->interpolation;
2749
2750     return Ok;
2751 }
2752
2753 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
2754 {
2755     if(!graphics || !argb)
2756         return InvalidParameter;
2757
2758     if(graphics->busy)
2759         return ObjectBusy;
2760
2761     FIXME("(%p, %p): stub\n", graphics, argb);
2762
2763     return NotImplemented;
2764 }
2765
2766 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
2767 {
2768     TRACE("(%p, %p)\n", graphics, scale);
2769
2770     if(!graphics || !scale)
2771         return InvalidParameter;
2772
2773     if(graphics->busy)
2774         return ObjectBusy;
2775
2776     *scale = graphics->scale;
2777
2778     return Ok;
2779 }
2780
2781 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
2782 {
2783     TRACE("(%p, %p)\n", graphics, unit);
2784
2785     if(!graphics || !unit)
2786         return InvalidParameter;
2787
2788     if(graphics->busy)
2789         return ObjectBusy;
2790
2791     *unit = graphics->unit;
2792
2793     return Ok;
2794 }
2795
2796 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
2797 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
2798     *mode)
2799 {
2800     TRACE("(%p, %p)\n", graphics, mode);
2801
2802     if(!graphics || !mode)
2803         return InvalidParameter;
2804
2805     if(graphics->busy)
2806         return ObjectBusy;
2807
2808     *mode = graphics->pixeloffset;
2809
2810     return Ok;
2811 }
2812
2813 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
2814 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
2815 {
2816     TRACE("(%p, %p)\n", graphics, mode);
2817
2818     if(!graphics || !mode)
2819         return InvalidParameter;
2820
2821     if(graphics->busy)
2822         return ObjectBusy;
2823
2824     *mode = graphics->smoothing;
2825
2826     return Ok;
2827 }
2828
2829 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
2830 {
2831     TRACE("(%p, %p)\n", graphics, contrast);
2832
2833     if(!graphics || !contrast)
2834         return InvalidParameter;
2835
2836     *contrast = graphics->textcontrast;
2837
2838     return Ok;
2839 }
2840
2841 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
2842 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
2843     TextRenderingHint *hint)
2844 {
2845     TRACE("(%p, %p)\n", graphics, hint);
2846
2847     if(!graphics || !hint)
2848         return InvalidParameter;
2849
2850     if(graphics->busy)
2851         return ObjectBusy;
2852
2853     *hint = graphics->texthint;
2854
2855     return Ok;
2856 }
2857
2858 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
2859 {
2860     TRACE("(%p, %p)\n", graphics, matrix);
2861
2862     if(!graphics || !matrix)
2863         return InvalidParameter;
2864
2865     if(graphics->busy)
2866         return ObjectBusy;
2867
2868     *matrix = *graphics->worldtrans;
2869     return Ok;
2870 }
2871
2872 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
2873 {
2874     GpSolidFill *brush;
2875     GpStatus stat;
2876     RECT rect;
2877
2878     TRACE("(%p, %x)\n", graphics, color);
2879
2880     if(!graphics)
2881         return InvalidParameter;
2882
2883     if(graphics->busy)
2884         return ObjectBusy;
2885
2886     if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
2887         return stat;
2888
2889     if(graphics->hwnd){
2890         if(!GetWindowRect(graphics->hwnd, &rect)){
2891             GdipDeleteBrush((GpBrush*)brush);
2892             return GenericError;
2893         }
2894
2895         GdipFillRectangle(graphics, (GpBrush*)brush, 0.0, 0.0, (REAL)(rect.right  - rect.left),
2896                                                                (REAL)(rect.bottom - rect.top));
2897     }
2898     else
2899         GdipFillRectangle(graphics, (GpBrush*)brush, 0.0, 0.0, (REAL)GetDeviceCaps(graphics->hdc, HORZRES),
2900                                                                (REAL)GetDeviceCaps(graphics->hdc, VERTRES));
2901
2902     GdipDeleteBrush((GpBrush*)brush);
2903
2904     return Ok;
2905 }
2906
2907 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
2908 {
2909     TRACE("(%p, %p)\n", graphics, res);
2910
2911     if(!graphics || !res)
2912         return InvalidParameter;
2913
2914     return GdipIsEmptyRegion(graphics->clip, graphics, res);
2915 }
2916
2917 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
2918 {
2919     FIXME("(%p, %.2f, %.2f, %p) stub\n", graphics, x, y, result);
2920
2921     if(!graphics || !result)
2922         return InvalidParameter;
2923
2924     if(graphics->busy)
2925         return ObjectBusy;
2926
2927     return NotImplemented;
2928 }
2929
2930 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
2931 {
2932     FIXME("(%p, %d, %d, %p) stub\n", graphics, x, y, result);
2933
2934     if(!graphics || !result)
2935         return InvalidParameter;
2936
2937     if(graphics->busy)
2938         return ObjectBusy;
2939
2940     return NotImplemented;
2941 }
2942
2943 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
2944         GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
2945         GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
2946         INT regionCount, GpRegion** regions)
2947 {
2948     if (!(graphics && string && font && layoutRect && stringFormat && regions))
2949         return InvalidParameter;
2950
2951     FIXME("stub: %p %s %d %p %p %p %d %p\n", graphics, debugstr_w(string),
2952             length, font, layoutRect, stringFormat, regionCount, regions);
2953
2954     return NotImplemented;
2955 }
2956
2957 /* Find the smallest rectangle that bounds the text when it is printed in rect
2958  * according to the format options listed in format. If rect has 0 width and
2959  * height, then just find the smallest rectangle that bounds the text when it's
2960  * printed at location (rect->X, rect-Y). */
2961 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
2962     GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
2963     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
2964     INT *codepointsfitted, INT *linesfilled)
2965 {
2966     HFONT oldfont;
2967     WCHAR* stringdup;
2968     INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth,
2969         nheight;
2970     SIZE size;
2971
2972     TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
2973         debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
2974         bounds, codepointsfitted, linesfilled);
2975
2976     if(!graphics || !string || !font || !rect)
2977         return InvalidParameter;
2978
2979     if(linesfilled) *linesfilled = 0;
2980     if(codepointsfitted) *codepointsfitted = 0;
2981
2982     if(format)
2983         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2984
2985     if(length == -1) length = lstrlenW(string);
2986
2987     stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
2988     if(!stringdup) return OutOfMemory;
2989
2990     oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2991     nwidth = roundr(rect->Width);
2992     nheight = roundr(rect->Height);
2993
2994     if((nwidth == 0) && (nheight == 0))
2995         nwidth = nheight = INT_MAX;
2996
2997     for(i = 0, j = 0; i < length; i++){
2998         if(!isprintW(string[i]) && (string[i] != '\n'))
2999             continue;
3000
3001         stringdup[j] = string[i];
3002         j++;
3003     }
3004
3005     stringdup[j] = 0;
3006     length = j;
3007
3008     while(sum < length){
3009         GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
3010                               nwidth, &fit, NULL, &size);
3011         fitcpy = fit;
3012
3013         if(fit == 0)
3014             break;
3015
3016         for(lret = 0; lret < fit; lret++)
3017             if(*(stringdup + sum + lret) == '\n')
3018                 break;
3019
3020         /* Line break code (may look strange, but it imitates windows). */
3021         if(lret < fit)
3022             fit = lret;    /* this is not an off-by-one error */
3023         else if(fit < (length - sum)){
3024             if(*(stringdup + sum + fit) == ' ')
3025                 while(*(stringdup + sum + fit) == ' ')
3026                     fit++;
3027             else
3028                 while(*(stringdup + sum + fit - 1) != ' '){
3029                     fit--;
3030
3031                     if(*(stringdup + sum + fit) == '\t')
3032                         break;
3033
3034                     if(fit == 0){
3035                         fit = fitcpy;
3036                         break;
3037                     }
3038                 }
3039         }
3040
3041         GetTextExtentExPointW(graphics->hdc, stringdup + sum, fit,
3042                               nwidth, &j, NULL, &size);
3043
3044         sum += fit + (lret < fitcpy ? 1 : 0);
3045         if(codepointsfitted) *codepointsfitted = sum;
3046
3047         height += size.cy;
3048         if(linesfilled) *linesfilled += size.cy;
3049         max_width = max(max_width, size.cx);
3050
3051         if(height > nheight)
3052             break;
3053
3054         /* Stop if this was a linewrap (but not if it was a linebreak). */
3055         if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
3056             break;
3057     }
3058
3059     bounds->X = rect->X;
3060     bounds->Y = rect->Y;
3061     bounds->Width = (REAL)max_width;
3062     bounds->Height = (REAL) min(height, nheight);
3063
3064     GdipFree(stringdup);
3065     DeleteObject(SelectObject(graphics->hdc, oldfont));
3066
3067     return Ok;
3068 }
3069
3070 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
3071 {
3072     TRACE("(%p)\n", graphics);
3073
3074     if(!graphics)
3075         return InvalidParameter;
3076
3077     if(graphics->busy)
3078         return ObjectBusy;
3079
3080     return GdipSetInfinite(graphics->clip);
3081 }
3082
3083 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
3084 {
3085     TRACE("(%p)\n", graphics);
3086
3087     if(!graphics)
3088         return InvalidParameter;
3089
3090     if(graphics->busy)
3091         return ObjectBusy;
3092
3093     graphics->worldtrans->matrix[0] = 1.0;
3094     graphics->worldtrans->matrix[1] = 0.0;
3095     graphics->worldtrans->matrix[2] = 0.0;
3096     graphics->worldtrans->matrix[3] = 1.0;
3097     graphics->worldtrans->matrix[4] = 0.0;
3098     graphics->worldtrans->matrix[5] = 0.0;
3099
3100     return Ok;
3101 }
3102
3103 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
3104 {
3105     static int calls;
3106
3107     if(!graphics)
3108         return InvalidParameter;
3109
3110     if(!(calls++))
3111         FIXME("graphics state not implemented\n");
3112
3113     return Ok;
3114 }
3115
3116 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
3117     GpMatrixOrder order)
3118 {
3119     TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
3120
3121     if(!graphics)
3122         return InvalidParameter;
3123
3124     if(graphics->busy)
3125         return ObjectBusy;
3126
3127     return GdipRotateMatrix(graphics->worldtrans, angle, order);
3128 }
3129
3130 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
3131 {
3132     static int calls;
3133
3134     if(!graphics || !state)
3135         return InvalidParameter;
3136
3137     if(!(calls++))
3138         FIXME("graphics state not implemented\n");
3139
3140     *state = 0xdeadbeef;
3141     return Ok;
3142 }
3143
3144 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics, GraphicsContainer *state)
3145 {
3146     FIXME("(%p, %p)\n", graphics, state);
3147
3148     if(!graphics || !state)
3149         return InvalidParameter;
3150
3151     *state = 0xdeadbeef;
3152     return Ok;
3153 }
3154
3155 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsState state)
3156 {
3157     FIXME("(%p, 0x%x)\n", graphics, state);
3158
3159     if(!graphics || !state)
3160         return InvalidParameter;
3161
3162     return Ok;
3163 }
3164
3165 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
3166     REAL sy, GpMatrixOrder order)
3167 {
3168     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
3169
3170     if(!graphics)
3171         return InvalidParameter;
3172
3173     if(graphics->busy)
3174         return ObjectBusy;
3175
3176     return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
3177 }
3178
3179 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
3180     CombineMode mode)
3181 {
3182     TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
3183
3184     if(!graphics || !srcgraphics)
3185         return InvalidParameter;
3186
3187     return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
3188 }
3189
3190 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
3191     CompositingMode mode)
3192 {
3193     TRACE("(%p, %d)\n", graphics, mode);
3194
3195     if(!graphics)
3196         return InvalidParameter;
3197
3198     if(graphics->busy)
3199         return ObjectBusy;
3200
3201     graphics->compmode = mode;
3202
3203     return Ok;
3204 }
3205
3206 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
3207     CompositingQuality quality)
3208 {
3209     TRACE("(%p, %d)\n", graphics, quality);
3210
3211     if(!graphics)
3212         return InvalidParameter;
3213
3214     if(graphics->busy)
3215         return ObjectBusy;
3216
3217     graphics->compqual = quality;
3218
3219     return Ok;
3220 }
3221
3222 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
3223     InterpolationMode mode)
3224 {
3225     TRACE("(%p, %d)\n", graphics, mode);
3226
3227     if(!graphics)
3228         return InvalidParameter;
3229
3230     if(graphics->busy)
3231         return ObjectBusy;
3232
3233     graphics->interpolation = mode;
3234
3235     return Ok;
3236 }
3237
3238 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
3239 {
3240     TRACE("(%p, %.2f)\n", graphics, scale);
3241
3242     if(!graphics || (scale <= 0.0))
3243         return InvalidParameter;
3244
3245     if(graphics->busy)
3246         return ObjectBusy;
3247
3248     graphics->scale = scale;
3249
3250     return Ok;
3251 }
3252
3253 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
3254 {
3255     TRACE("(%p, %d)\n", graphics, unit);
3256
3257     if(!graphics)
3258         return InvalidParameter;
3259
3260     if(graphics->busy)
3261         return ObjectBusy;
3262
3263     if(unit == UnitWorld)
3264         return InvalidParameter;
3265
3266     graphics->unit = unit;
3267
3268     return Ok;
3269 }
3270
3271 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3272     mode)
3273 {
3274     TRACE("(%p, %d)\n", graphics, mode);
3275
3276     if(!graphics)
3277         return InvalidParameter;
3278
3279     if(graphics->busy)
3280         return ObjectBusy;
3281
3282     graphics->pixeloffset = mode;
3283
3284     return Ok;
3285 }
3286
3287 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
3288 {
3289     static int calls;
3290
3291     TRACE("(%p,%i,%i)\n", graphics, x, y);
3292
3293     if (!(calls++))
3294         FIXME("not implemented\n");
3295
3296     return NotImplemented;
3297 }
3298
3299 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
3300 {
3301     TRACE("(%p, %d)\n", graphics, mode);
3302
3303     if(!graphics)
3304         return InvalidParameter;
3305
3306     if(graphics->busy)
3307         return ObjectBusy;
3308
3309     graphics->smoothing = mode;
3310
3311     return Ok;
3312 }
3313
3314 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
3315 {
3316     TRACE("(%p, %d)\n", graphics, contrast);
3317
3318     if(!graphics)
3319         return InvalidParameter;
3320
3321     graphics->textcontrast = contrast;
3322
3323     return Ok;
3324 }
3325
3326 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
3327     TextRenderingHint hint)
3328 {
3329     TRACE("(%p, %d)\n", graphics, hint);
3330
3331     if(!graphics)
3332         return InvalidParameter;
3333
3334     if(graphics->busy)
3335         return ObjectBusy;
3336
3337     graphics->texthint = hint;
3338
3339     return Ok;
3340 }
3341
3342 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3343 {
3344     TRACE("(%p, %p)\n", graphics, matrix);
3345
3346     if(!graphics || !matrix)
3347         return InvalidParameter;
3348
3349     if(graphics->busy)
3350         return ObjectBusy;
3351
3352     GdipDeleteMatrix(graphics->worldtrans);
3353     return GdipCloneMatrix(matrix, &graphics->worldtrans);
3354 }
3355
3356 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
3357     REAL dy, GpMatrixOrder order)
3358 {
3359     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
3360
3361     if(!graphics)
3362         return InvalidParameter;
3363
3364     if(graphics->busy)
3365         return ObjectBusy;
3366
3367     return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
3368 }
3369
3370 /*****************************************************************************
3371  * GdipSetClipHrgn [GDIPLUS.@]
3372  */
3373 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
3374 {
3375     GpRegion *region;
3376     GpStatus status;
3377
3378     TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
3379
3380     if(!graphics)
3381         return InvalidParameter;
3382
3383     status = GdipCreateRegionHrgn(hrgn, &region);
3384     if(status != Ok)
3385         return status;
3386
3387     status = GdipSetClipRegion(graphics, region, mode);
3388
3389     GdipDeleteRegion(region);
3390     return status;
3391 }
3392
3393 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
3394 {
3395     TRACE("(%p, %p, %d)\n", graphics, path, mode);
3396
3397     if(!graphics)
3398         return InvalidParameter;
3399
3400     if(graphics->busy)
3401         return ObjectBusy;
3402
3403     return GdipCombineRegionPath(graphics->clip, path, mode);
3404 }
3405
3406 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
3407                                     REAL width, REAL height,
3408                                     CombineMode mode)
3409 {
3410     GpRectF rect;
3411
3412     TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
3413
3414     if(!graphics)
3415         return InvalidParameter;
3416
3417     if(graphics->busy)
3418         return ObjectBusy;
3419
3420     rect.X = x;
3421     rect.Y = y;
3422     rect.Width  = width;
3423     rect.Height = height;
3424
3425     return GdipCombineRegionRect(graphics->clip, &rect, mode);
3426 }
3427
3428 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
3429                                      INT width, INT height,
3430                                      CombineMode mode)
3431 {
3432     TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
3433
3434     if(!graphics)
3435         return InvalidParameter;
3436
3437     if(graphics->busy)
3438         return ObjectBusy;
3439
3440     return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
3441 }
3442
3443 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
3444                                       CombineMode mode)
3445 {
3446     TRACE("(%p, %p, %d)\n", graphics, region, mode);
3447
3448     if(!graphics || !region)
3449         return InvalidParameter;
3450
3451     if(graphics->busy)
3452         return ObjectBusy;
3453
3454     return GdipCombineRegionRegion(graphics->clip, region, mode);
3455 }
3456
3457 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
3458     UINT limitDpi)
3459 {
3460     static int calls;
3461
3462     if(!(calls++))
3463         FIXME("not implemented\n");
3464
3465     return NotImplemented;
3466 }
3467
3468 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
3469     INT count)
3470 {
3471     INT save_state;
3472     POINT *pti;
3473
3474     TRACE("(%p, %p, %d)\n", graphics, points, count);
3475
3476     if(!graphics || !pen || count<=0)
3477         return InvalidParameter;
3478
3479     if(graphics->busy)
3480         return ObjectBusy;
3481
3482     pti = GdipAlloc(sizeof(POINT) * count);
3483
3484     save_state = prepare_dc(graphics, pen);
3485     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3486
3487     transform_and_round_points(graphics, pti, (GpPointF*)points, count);
3488     Polygon(graphics->hdc, pti, count);
3489
3490     restore_dc(graphics, save_state);
3491     GdipFree(pti);
3492
3493     return Ok;
3494 }
3495
3496 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
3497     INT count)
3498 {
3499     GpStatus ret;
3500     GpPointF *ptf;
3501     INT i;
3502
3503     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3504
3505     if(count<=0)    return InvalidParameter;
3506     ptf = GdipAlloc(sizeof(GpPointF) * count);
3507
3508     for(i = 0;i < count; i++){
3509         ptf[i].X = (REAL)points[i].X;
3510         ptf[i].Y = (REAL)points[i].Y;
3511     }
3512
3513     ret = GdipDrawPolygon(graphics,pen,ptf,count);
3514     GdipFree(ptf);
3515
3516     return ret;
3517 }
3518
3519 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
3520 {
3521     TRACE("(%p, %p)\n", graphics, dpi);
3522
3523     if(!graphics || !dpi)
3524         return InvalidParameter;
3525
3526     if(graphics->busy)
3527         return ObjectBusy;
3528
3529     *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
3530
3531     return Ok;
3532 }
3533
3534 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
3535 {
3536     TRACE("(%p, %p)\n", graphics, dpi);
3537
3538     if(!graphics || !dpi)
3539         return InvalidParameter;
3540
3541     if(graphics->busy)
3542         return ObjectBusy;
3543
3544     *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
3545
3546     return Ok;
3547 }
3548
3549 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
3550     GpMatrixOrder order)
3551 {
3552     GpMatrix m;
3553     GpStatus ret;
3554
3555     TRACE("(%p, %p, %d)\n", graphics, matrix, order);
3556
3557     if(!graphics || !matrix)
3558         return InvalidParameter;
3559
3560     if(graphics->busy)
3561         return ObjectBusy;
3562
3563     m = *(graphics->worldtrans);
3564
3565     ret = GdipMultiplyMatrix(&m, matrix, order);
3566     if(ret == Ok)
3567         *(graphics->worldtrans) = m;
3568
3569     return ret;
3570 }
3571
3572 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
3573 {
3574     TRACE("(%p, %p)\n", graphics, hdc);
3575
3576     if(!graphics || !hdc)
3577         return InvalidParameter;
3578
3579     if(graphics->busy)
3580         return ObjectBusy;
3581
3582     *hdc = graphics->hdc;
3583     graphics->busy = TRUE;
3584
3585     return Ok;
3586 }
3587
3588 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
3589 {
3590     TRACE("(%p, %p)\n", graphics, hdc);
3591
3592     if(!graphics)
3593         return InvalidParameter;
3594
3595     if(graphics->hdc != hdc || !(graphics->busy))
3596         return InvalidParameter;
3597
3598     graphics->busy = FALSE;
3599
3600     return Ok;
3601 }
3602
3603 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
3604 {
3605     GpRegion *clip;
3606     GpStatus status;
3607
3608     TRACE("(%p, %p)\n", graphics, region);
3609
3610     if(!graphics || !region)
3611         return InvalidParameter;
3612
3613     if(graphics->busy)
3614         return ObjectBusy;
3615
3616     if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
3617         return status;
3618
3619     /* free everything except root node and header */
3620     delete_element(&region->node);
3621     memcpy(region, clip, sizeof(GpRegion));
3622
3623     return Ok;
3624 }
3625
3626 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
3627                                         GpCoordinateSpace src_space, GpPointF *points, INT count)
3628 {
3629     GpMatrix *matrix;
3630     GpStatus stat;
3631     REAL unitscale;
3632
3633     if(!graphics || !points || count <= 0)
3634         return InvalidParameter;
3635
3636     if(graphics->busy)
3637         return ObjectBusy;
3638
3639     TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
3640
3641     if (src_space == dst_space) return Ok;
3642
3643     stat = GdipCreateMatrix(&matrix);
3644     if (stat == Ok)
3645     {
3646         unitscale = convert_unit(graphics->hdc, graphics->unit);
3647
3648         if(graphics->unit != UnitDisplay)
3649             unitscale *= graphics->scale;
3650
3651         /* transform from src_space to CoordinateSpacePage */
3652         switch (src_space)
3653         {
3654         case CoordinateSpaceWorld:
3655             GdipMultiplyMatrix(matrix, graphics->worldtrans, MatrixOrderAppend);
3656             break;
3657         case CoordinateSpacePage:
3658             break;
3659         case CoordinateSpaceDevice:
3660             GdipScaleMatrix(matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
3661             break;
3662         }
3663
3664         /* transform from CoordinateSpacePage to dst_space */
3665         switch (dst_space)
3666         {
3667         case CoordinateSpaceWorld:
3668             {
3669                 GpMatrix *inverted_transform;
3670                 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
3671                 if (stat == Ok)
3672                 {
3673                     stat = GdipInvertMatrix(inverted_transform);
3674                     if (stat == Ok)
3675                         GdipMultiplyMatrix(matrix, inverted_transform, MatrixOrderAppend);
3676                     GdipDeleteMatrix(inverted_transform);
3677                 }
3678                 break;
3679             }
3680         case CoordinateSpacePage:
3681             break;
3682         case CoordinateSpaceDevice:
3683             GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
3684             break;
3685         }
3686
3687         if (stat == Ok)
3688             stat = GdipTransformMatrixPoints(matrix, points, count);
3689
3690         GdipDeleteMatrix(matrix);
3691     }
3692
3693     return stat;
3694 }
3695
3696 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
3697                                          GpCoordinateSpace src_space, GpPoint *points, INT count)
3698 {
3699     GpPointF *pointsF;
3700     GpStatus ret;
3701     INT i;
3702
3703     TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
3704
3705     if(count <= 0)
3706         return InvalidParameter;
3707
3708     pointsF = GdipAlloc(sizeof(GpPointF) * count);
3709     if(!pointsF)
3710         return OutOfMemory;
3711
3712     for(i = 0; i < count; i++){
3713         pointsF[i].X = (REAL)points[i].X;
3714         pointsF[i].Y = (REAL)points[i].Y;
3715     }
3716
3717     ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
3718
3719     if(ret == Ok)
3720         for(i = 0; i < count; i++){
3721             points[i].X = roundr(pointsF[i].X);
3722             points[i].Y = roundr(pointsF[i].Y);
3723         }
3724     GdipFree(pointsF);
3725
3726     return ret;
3727 }
3728
3729 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
3730 {
3731     FIXME("\n");
3732
3733     return NULL;
3734 }
3735
3736 /*****************************************************************************
3737  * GdipTranslateClip [GDIPLUS.@]
3738  */
3739 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
3740 {
3741     TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
3742
3743     if(!graphics)
3744         return InvalidParameter;
3745
3746     if(graphics->busy)
3747         return ObjectBusy;
3748
3749     return GdipTranslateRegion(graphics->clip, dx, dy);
3750 }
3751
3752 /*****************************************************************************
3753  * GdipTranslateClipI [GDIPLUS.@]
3754  */
3755 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
3756 {
3757     TRACE("(%p, %d, %d)\n", graphics, dx, dy);
3758
3759     if(!graphics)
3760         return InvalidParameter;
3761
3762     if(graphics->busy)
3763         return ObjectBusy;
3764
3765     return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
3766 }