reactos/dll/win32/gdiplus/gdiplus_private.h

   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 #ifndef __WINE_GP_PRIVATE_H_
  20 #define __WINE_GP_PRIVATE_H_
  21
  22 #include <math.h>
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "wingdi.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29
  30 #include "objbase.h"
  31 #include "ocidl.h"
  32
  33 #include "gdiplus.h"
  34
  35 #define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT | PS_JOIN_MITER)
  36 #define MAX_ARC_PTS (13)
  37 #define MAX_DASHLEN (16) /* this is a limitation of gdi */
  38 #define INCH_HIMETRIC (2540)
  39
  40 COLORREF ARGB2COLORREF(ARGB color);
  41 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
  42     REAL startAngle, REAL sweepAngle);
  43 extern REAL gdiplus_atan2(REAL dy, REAL dx);
  44 extern GpStatus hresult_to_status(HRESULT res);
  45 extern REAL convert_unit(HDC hdc, GpUnit unit);
  46
  47 static inline INT roundr(REAL x)
  48 {
  49     return (INT) floor(x + 0.5);
  50 }
  51
  52 static inline REAL deg2rad(REAL degrees)
  53 {
  54     return M_PI * degrees / 180.0;
  55 }
  56
  57 struct GpPen{
  58     UINT style;
  59     GpUnit unit;
  60     REAL width;
  61     GpLineCap endcap;
  62     GpLineCap startcap;
  63     GpDashCap dashcap;
  64     GpCustomLineCap *customstart;
  65     GpCustomLineCap *customend;
  66     GpLineJoin join;
  67     REAL miterlimit;
  68     GpDashStyle dash;
  69     REAL *dashes;
  70     INT numdashes;
  71     REAL offset;    /* dash offset */
  72     GpBrush *brush;
  73 };
  74
  75 struct GpGraphics{
  76     HDC hdc;
  77     HWND hwnd;
  78     SmoothingMode smoothing;
  79     CompositingQuality compqual;
  80     InterpolationMode interpolation;
  81     PixelOffsetMode pixeloffset;
  82     CompositingMode compmode;
  83     TextRenderingHint texthint;
  84     GpUnit unit;    /* page unit */
  85     REAL scale;     /* page scale */
  86     GpMatrix * worldtrans; /* world transform */
  87 };
  88
  89 struct GpBrush{
  90     HBRUSH gdibrush;
  91     GpBrushType bt;
  92     LOGBRUSH lb;
  93 };
  94
  95 struct GpSolidFill{
  96     GpBrush brush;
  97     ARGB color;
  98 };
  99
 100 struct GpPathGradient{
 101     GpBrush brush;
 102     PathData pathdata;
 103     ARGB centercolor;
 104     GpWrapMode wrap;
 105     BOOL gamma;
 106     GpPointF center;
 107     GpPointF focus;
 108 };
 109
 110 struct GpLineGradient{
 111     GpBrush brush;
 112     GpPointF startpoint;
 113     GpPointF endpoint;
 114     ARGB startcolor;
 115     ARGB endcolor;
 116     GpWrapMode wrap;
 117     BOOL gamma;
 118 };
 119
 120 struct GpTexture{
 121     GpBrush brush;
 122 };
 123
 124 struct GpPath{
 125     GpFillMode fill;
 126     GpPathData pathdata;
 127     BOOL newfigure; /* whether the next drawing action starts a new figure */
 128     INT datalen; /* size of the arrays in pathdata */
 129 };
 130
 131 struct GpMatrix{
 132     REAL matrix[6];
 133 };
 134
 135 struct GpPathIterator{
 136     GpPathData pathdata;
 137     INT subpath_pos;    /* for NextSubpath methods */
 138     INT marker_pos;     /* for NextMarker methods */
 139     INT pathtype_pos;   /* for NextPathType methods */
 140 };
 141
 142 struct GpCustomLineCap{
 143     GpPathData pathdata;
 144     BOOL fill;      /* TRUE for fill, FALSE for stroke */
 145     GpLineCap cap;  /* as far as I can tell, this value is ignored */
 146     REAL inset;     /* how much to adjust the end of the line */
 147 };
 148
 149 struct GpImage{
 150     IPicture* picture;
 151     ImageType type;
 152     UINT flags;
 153 };
 154
 155 struct GpMetafile{
 156     GpImage image;
 157     GpRectF bounds;
 158     GpUnit unit;
 159 };
 160
 161 struct GpBitmap{
 162     GpImage image;
 163     INT width;
 164     INT height;
 165     PixelFormat format;
 166     ImageLockMode lockmode;
 167     INT numlocks;
 168     BYTE *bitmapbits;   /* pointer to the buffer we passed in BitmapLockBits */
 169 };
 170
 171 struct GpImageAttributes{
 172     WrapMode wrap;
 173 };
 174
 175 struct GpFont{
 176     LOGFONTW lfw;
 177     REAL emSize;
 178     Unit unit;
 179 };
 180
 181 struct GpStringFormat{
 182     INT attr;
 183     LANGID lang;
 184     StringAlignment align;
 185     StringTrimming trimming;
 186     HotkeyPrefix hkprefix;
 187     StringAlignment vertalign;
 188 };
 189
 190 struct GpFontCollection{
 191     GpFontFamily* FontFamilies;
 192 };
 193
 194 struct GpFontFamily{
 195     TEXTMETRICW tmw;
 196     WCHAR* FamilyName;
 197 };
 198
 199 #endif