[Gdi32]
[reactos.git] / reactos / win32ss / gdi / gdi32 / wine / enhmfdrv / init.c
1 /*
2 * Enhanced MetaFile driver initialisation functions
3 *
4 * Copyright 1999 Huw D M Davies
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include <assert.h>
22 #include <stdarg.h>
23 #include <string.h>
24
25 #include "windef.h"
26 #include "winbase.h"
27 #include "wingdi.h"
28 #include "winnls.h"
29 #include "gdi_private.h"
30 #include "enhmfdrv/enhmetafiledrv.h"
31 #include "wine/debug.h"
32
33 WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
34
35 static BOOL EMFDRV_DeleteDC( PHYSDEV dev );
36
37 static const struct gdi_dc_funcs emfdrv_driver =
38 {
39 NULL, /* pAbortDoc */
40 EMFDRV_AbortPath, /* pAbortPath */
41 NULL, /* pAlphaBlend */
42 EMFDRV_AngleArc, /* pAngleArc */
43 EMFDRV_Arc, /* pArc */
44 EMFDRV_ArcTo, /* pArcTo */
45 EMFDRV_BeginPath, /* pBeginPath */
46 NULL, /* pBlendImage */
47 EMFDRV_Chord, /* pChord */
48 EMFDRV_CloseFigure, /* pCloseFigure */
49 NULL, /* pCreateCompatibleDC */
50 NULL, /* pCreateDC */
51 EMFDRV_DeleteDC, /* pDeleteDC */
52 EMFDRV_DeleteObject, /* pDeleteObject */
53 NULL, /* pDeviceCapabilities */
54 EMFDRV_Ellipse, /* pEllipse */
55 NULL, /* pEndDoc */
56 NULL, /* pEndPage */
57 EMFDRV_EndPath, /* pEndPath */
58 NULL, /* pEnumFonts */
59 NULL, /* pEnumICMProfiles */
60 EMFDRV_ExcludeClipRect, /* pExcludeClipRect */
61 NULL, /* pExtDeviceMode */
62 NULL, /* pExtEscape */
63 EMFDRV_ExtFloodFill, /* pExtFloodFill */
64 EMFDRV_ExtSelectClipRgn, /* pExtSelectClipRgn */
65 EMFDRV_ExtTextOut, /* pExtTextOut */
66 EMFDRV_FillPath, /* pFillPath */
67 EMFDRV_FillRgn, /* pFillRgn */
68 EMFDRV_FlattenPath, /* pFlattenPath */
69 NULL, /* pFontIsLinked */
70 EMFDRV_FrameRgn, /* pFrameRgn */
71 EMFDRV_GdiComment, /* pGdiComment */
72 NULL, /* pGetBoundsRect */
73 NULL, /* pGetCharABCWidths */
74 NULL, /* pGetCharABCWidthsI */
75 NULL, /* pGetCharWidth */
76 EMFDRV_GetDeviceCaps, /* pGetDeviceCaps */
77 NULL, /* pGetDeviceGammaRamp */
78 NULL, /* pGetFontData */
79 NULL, /* pGetFontRealizationInfo */
80 NULL, /* pGetFontUnicodeRanges */
81 NULL, /* pGetGlyphIndices */
82 NULL, /* pGetGlyphOutline */
83 NULL, /* pGetICMProfile */
84 NULL, /* pGetImage */
85 NULL, /* pGetKerningPairs */
86 NULL, /* pGetNearestColor */
87 NULL, /* pGetOutlineTextMetrics */
88 NULL, /* pGetPixel */
89 NULL, /* pGetSystemPaletteEntries */
90 NULL, /* pGetTextCharsetInfo */
91 NULL, /* pGetTextExtentExPoint */
92 NULL, /* pGetTextExtentExPointI */
93 NULL, /* pGetTextFace */
94 NULL, /* pGetTextMetrics */
95 EMFDRV_GradientFill, /* pGradientFill */
96 EMFDRV_IntersectClipRect, /* pIntersectClipRect */
97 EMFDRV_InvertRgn, /* pInvertRgn */
98 EMFDRV_LineTo, /* pLineTo */
99 EMFDRV_ModifyWorldTransform, /* pModifyWorldTransform */
100 EMFDRV_MoveTo, /* pMoveTo */
101 EMFDRV_OffsetClipRgn, /* pOffsetClipRgn */
102 EMFDRV_OffsetViewportOrgEx, /* pOffsetViewportOrgEx */
103 EMFDRV_OffsetWindowOrgEx, /* pOffsetWindowOrgEx */
104 EMFDRV_PaintRgn, /* pPaintRgn */
105 EMFDRV_PatBlt, /* pPatBlt */
106 EMFDRV_Pie, /* pPie */
107 EMFDRV_PolyBezier, /* pPolyBezier */
108 EMFDRV_PolyBezierTo, /* pPolyBezierTo */
109 EMFDRV_PolyDraw, /* pPolyDraw */
110 EMFDRV_PolyPolygon, /* pPolyPolygon */
111 EMFDRV_PolyPolyline, /* pPolyPolyline */
112 EMFDRV_Polygon, /* pPolygon */
113 EMFDRV_Polyline, /* pPolyline */
114 EMFDRV_PolylineTo, /* pPolylineTo */
115 NULL, /* pPutImage */
116 NULL, /* pRealizeDefaultPalette */
117 NULL, /* pRealizePalette */
118 EMFDRV_Rectangle, /* pRectangle */
119 NULL, /* pResetDC */
120 EMFDRV_RestoreDC, /* pRestoreDC */
121 EMFDRV_RoundRect, /* pRoundRect */
122 EMFDRV_SaveDC, /* pSaveDC */
123 EMFDRV_ScaleViewportExtEx, /* pScaleViewportExtEx */
124 EMFDRV_ScaleWindowExtEx, /* pScaleWindowExtEx */
125 EMFDRV_SelectBitmap, /* pSelectBitmap */
126 EMFDRV_SelectBrush, /* pSelectBrush */
127 EMFDRV_SelectClipPath, /* pSelectClipPath */
128 EMFDRV_SelectFont, /* pSelectFont */
129 EMFDRV_SelectPalette, /* pSelectPalette */
130 EMFDRV_SelectPen, /* pSelectPen */
131 EMFDRV_SetArcDirection, /* pSetArcDirection */
132 EMFDRV_SetBkColor, /* pSetBkColor */
133 EMFDRV_SetBkMode, /* pSetBkMode */
134 NULL, /* pSetBoundsRect */
135 EMFDRV_SetDCBrushColor, /* pSetDCBrushColor*/
136 EMFDRV_SetDCPenColor, /* pSetDCPenColor*/
137 EMFDRV_SetDIBitsToDevice, /* pSetDIBitsToDevice */
138 NULL, /* pSetDeviceClipping */
139 NULL, /* pSetDeviceGammaRamp */
140 EMFDRV_SetLayout, /* pSetLayout */
141 EMFDRV_SetMapMode, /* pSetMapMode */
142 EMFDRV_SetMapperFlags, /* pSetMapperFlags */
143 EMFDRV_SetPixel, /* pSetPixel */
144 EMFDRV_SetPolyFillMode, /* pSetPolyFillMode */
145 EMFDRV_SetROP2, /* pSetROP2 */
146 NULL, /* pSetRelAbs */
147 EMFDRV_SetStretchBltMode, /* pSetStretchBltMode */
148 EMFDRV_SetTextAlign, /* pSetTextAlign */
149 NULL, /* pSetTextCharacterExtra */
150 EMFDRV_SetTextColor, /* pSetTextColor */
151 EMFDRV_SetTextJustification, /* pSetTextJustification */
152 EMFDRV_SetViewportExtEx, /* pSetViewportExtEx */
153 EMFDRV_SetViewportOrgEx, /* pSetViewportOrgEx */
154 EMFDRV_SetWindowExtEx, /* pSetWindowExtEx */
155 EMFDRV_SetWindowOrgEx, /* pSetWindowOrgEx */
156 EMFDRV_SetWorldTransform, /* pSetWorldTransform */
157 NULL, /* pStartDoc */
158 NULL, /* pStartPage */
159 EMFDRV_StretchBlt, /* pStretchBlt */
160 EMFDRV_StretchDIBits, /* pStretchDIBits */
161 EMFDRV_StrokeAndFillPath, /* pStrokeAndFillPath */
162 EMFDRV_StrokePath, /* pStrokePath */
163 NULL, /* pUnrealizePalette */
164 EMFDRV_WidenPath, /* pWidenPath */
165 NULL, /* wine_get_wgl_driver */
166 GDI_PRIORITY_GRAPHICS_DRV /* priority */
167 };
168
169
170 /**********************************************************************
171 * EMFDRV_DeleteDC
172 */
173 static BOOL EMFDRV_DeleteDC( PHYSDEV dev )
174 {
175 EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
176 UINT index;
177
178 HeapFree( GetProcessHeap(), 0, physDev->emh );
179 for(index = 0; index < physDev->handles_size; index++)
180 if(physDev->handles[index])
181 GDI_hdc_not_using_object(physDev->handles[index], dev->hdc);
182 HeapFree( GetProcessHeap(), 0, physDev->handles );
183 HeapFree( GetProcessHeap(), 0, physDev );
184 return TRUE;
185 }
186
187
188 /******************************************************************
189 * EMFDRV_WriteRecord
190 *
191 * Warning: this function can change the pointer to the metafile header.
192 */
193 BOOL EMFDRV_WriteRecord( PHYSDEV dev, EMR *emr )
194 {
195 DWORD len;
196 DWORD bytes_written;
197 ENHMETAHEADER *emh;
198 EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
199
200 TRACE("record %d, size %d %s\n",
201 emr->iType, emr->nSize, physDev->hFile ? "(to disk)" : "");
202
203 assert( !(emr->nSize & 3) );
204
205 physDev->emh->nBytes += emr->nSize;
206 physDev->emh->nRecords++;
207
208 if(physDev->hFile) {
209 if (!WriteFile(physDev->hFile, emr, emr->nSize, &bytes_written, NULL))
210 return FALSE;
211 } else {
212 DWORD nEmfSize = HeapSize(GetProcessHeap(), 0, physDev->emh);
213 len = physDev->emh->nBytes;
214 if (len > nEmfSize) {
215 nEmfSize += (nEmfSize / 2) + emr->nSize;
216 emh = HeapReAlloc(GetProcessHeap(), 0, physDev->emh, nEmfSize);
217 if (!emh) return FALSE;
218 physDev->emh = emh;
219 }
220 memcpy((CHAR *)physDev->emh + physDev->emh->nBytes - emr->nSize, emr,
221 emr->nSize);
222 }
223 return TRUE;
224 }
225
226
227 /******************************************************************
228 * EMFDRV_UpdateBBox
229 */
230 void EMFDRV_UpdateBBox( PHYSDEV dev, RECTL *rect )
231 {
232 EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
233 RECTL *bounds = &physDev->emh->rclBounds;
234 RECTL vportRect = *rect;
235
236 LPtoDP( dev->hdc, (LPPOINT)&vportRect, 2 );
237
238 /* The coordinate systems may be mirrored
239 (LPtoDP handles points, not rectangles) */
240 if (vportRect.left > vportRect.right)
241 {
242 LONG temp = vportRect.right;
243 vportRect.right = vportRect.left;
244 vportRect.left = temp;
245 }
246 if (vportRect.top > vportRect.bottom)
247 {
248 LONG temp = vportRect.bottom;
249 vportRect.bottom = vportRect.top;
250 vportRect.top = temp;
251 }
252
253 if (bounds->left > bounds->right)
254 {
255 /* first bounding rectangle */
256 *bounds = vportRect;
257 }
258 else
259 {
260 bounds->left = min(bounds->left, vportRect.left);
261 bounds->top = min(bounds->top, vportRect.top);
262 bounds->right = max(bounds->right, vportRect.right);
263 bounds->bottom = max(bounds->bottom, vportRect.bottom);
264 }
265 }
266
267 /**********************************************************************
268 * CreateEnhMetaFileA (GDI32.@)
269 */
270 HDC WINAPI CreateEnhMetaFileA(
271 HDC hdc, /* [in] optional reference DC */
272 LPCSTR filename, /* [in] optional filename for disk metafiles */
273 const RECT *rect, /* [in] optional bounding rectangle */
274 LPCSTR description /* [in] optional description */
275 )
276 {
277 LPWSTR filenameW = NULL;
278 LPWSTR descriptionW = NULL;
279 HDC hReturnDC;
280 DWORD len1, len2, total;
281
282 if(filename)
283 {
284 total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
285 filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
286 MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
287 }
288 if(description) {
289 len1 = strlen(description);
290 len2 = strlen(description + len1 + 1);
291 total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
292 descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
293 MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
294 }
295
296 hReturnDC = CreateEnhMetaFileW(hdc, filenameW, rect, descriptionW);
297
298 HeapFree( GetProcessHeap(), 0, filenameW );
299 HeapFree( GetProcessHeap(), 0, descriptionW );
300
301 return hReturnDC;
302 }
303
304 /**********************************************************************
305 * CreateEnhMetaFileW (GDI32.@)
306 */
307 HDC WINAPI CreateEnhMetaFileW(
308 HDC hdc, /* [in] optional reference DC */
309 LPCWSTR filename, /* [in] optional filename for disk metafiles */
310 const RECT* rect, /* [in] optional bounding rectangle */
311 LPCWSTR description /* [in] optional description */
312 )
313 {
314 static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
315 HDC ret;
316 DC *dc;
317 EMFDRV_PDEVICE *physDev;
318 HANDLE hFile;
319 DWORD size = 0, length = 0;
320 DWORD bytes_written;
321
322 TRACE("(%p %s %s %s)\n", hdc, debugstr_w(filename), wine_dbgstr_rect(rect), debugstr_w(description) );
323
324 if (!(dc = alloc_dc_ptr( OBJ_ENHMETADC ))) return 0;
325
326 physDev = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev));
327 if (!physDev) {
328 free_dc_ptr( dc );
329 return 0;
330 }
331 if(description) { /* App name\0Title\0\0 */
332 length = lstrlenW(description);
333 length += lstrlenW(description + length + 1);
334 length += 3;
335 length *= 2;
336 }
337 size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
338
339 if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
340 HeapFree( GetProcessHeap(), 0, physDev );
341 free_dc_ptr( dc );
342 return 0;
343 }
344
345 push_dc_driver( &dc->physDev, &physDev->dev, &emfdrv_driver );
346
347 physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
348 physDev->handles_size = HANDLE_LIST_INC;
349 physDev->cur_handles = 1;
350 physDev->hFile = 0;
351 physDev->dc_brush = 0;
352 physDev->dc_pen = 0;
353 physDev->screen_dc = 0;
354 physDev->restoring = 0;
355 physDev->path = FALSE;
356 if (hdc) /* if no ref, use current display */
357 physDev->ref_dc = hdc;
358 else
359 physDev->ref_dc = physDev->screen_dc = CreateDCW( displayW, NULL, NULL, NULL );
360
361 SetVirtualResolution(physDev->dev.hdc, 0, 0, 0, 0);
362
363 physDev->emh->iType = EMR_HEADER;
364 physDev->emh->nSize = size;
365
366 physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
367 physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
368
369 if(rect) {
370 physDev->emh->rclFrame.left = rect->left;
371 physDev->emh->rclFrame.top = rect->top;
372 physDev->emh->rclFrame.right = rect->right;
373 physDev->emh->rclFrame.bottom = rect->bottom;
374 } else { /* Set this to {0,0 - -1,-1} and update it at the end */
375 physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0;
376 physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1;
377 }
378
379 physDev->emh->dSignature = ENHMETA_SIGNATURE;
380 physDev->emh->nVersion = 0x10000;
381 physDev->emh->nBytes = physDev->emh->nSize;
382 physDev->emh->nRecords = 1;
383 physDev->emh->nHandles = 1;
384
385 physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
386 physDev->emh->nDescription = length / 2;
387
388 physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
389
390 physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
391
392 /* Size in pixels */
393 physDev->emh->szlDevice.cx = GetDeviceCaps( physDev->ref_dc, HORZRES );
394 physDev->emh->szlDevice.cy = GetDeviceCaps( physDev->ref_dc, VERTRES );
395
396 /* Size in millimeters */
397 physDev->emh->szlMillimeters.cx = GetDeviceCaps( physDev->ref_dc, HORZSIZE );
398 physDev->emh->szlMillimeters.cy = GetDeviceCaps( physDev->ref_dc, VERTSIZE );
399
400 /* Size in micrometers */
401 physDev->emh->szlMicrometers.cx = physDev->emh->szlMillimeters.cx * 1000;
402 physDev->emh->szlMicrometers.cy = physDev->emh->szlMillimeters.cy * 1000;
403
404 memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
405
406 if (filename) /* disk based metafile */
407 {
408 if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
409 NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
410 free_dc_ptr( dc );
411 return 0;
412 }
413 if (!WriteFile( hFile, physDev->emh, size, &bytes_written, NULL )) {
414 free_dc_ptr( dc );
415 CloseHandle( hFile );
416 return 0;
417 }
418 physDev->hFile = hFile;
419 }
420
421 TRACE("returning %p\n", physDev->dev.hdc);
422 ret = physDev->dev.hdc;
423 release_dc_ptr( dc );
424
425 return ret;
426 }
427
428 /******************************************************************
429 * CloseEnhMetaFile (GDI32.@)
430 */
431 HENHMETAFILE WINAPI CloseEnhMetaFile(HDC hdc) /* [in] metafile DC */
432 {
433 HENHMETAFILE hmf;
434 EMFDRV_PDEVICE *physDev;
435 DC *dc;
436 EMREOF emr;
437 HANDLE hMapping = 0;
438
439 TRACE("(%p)\n", hdc );
440
441 if (!(dc = get_dc_ptr( hdc ))) return NULL;
442 if (GetObjectType( hdc ) != OBJ_ENHMETADC)
443 {
444 release_dc_ptr( dc );
445 return NULL;
446 }
447 if (dc->refcount != 1)
448 {
449 FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount );
450 release_dc_ptr( dc );
451 return NULL;
452 }
453 physDev = get_emf_physdev( find_dc_driver( dc, &emfdrv_driver ));
454
455 if(dc->saveLevel)
456 RestoreDC(hdc, 1);
457
458 if (physDev->dc_brush) DeleteObject( physDev->dc_brush );
459 if (physDev->dc_pen) DeleteObject( physDev->dc_pen );
460 if (physDev->screen_dc) DeleteDC( physDev->screen_dc );
461
462 emr.emr.iType = EMR_EOF;
463 emr.emr.nSize = sizeof(emr);
464 emr.nPalEntries = 0;
465 emr.offPalEntries = FIELD_OFFSET(EMREOF, nSizeLast);
466 emr.nSizeLast = emr.emr.nSize;
467 EMFDRV_WriteRecord( &physDev->dev, &emr.emr );
468
469 /* Update rclFrame if not initialized in CreateEnhMetaFile */
470 if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) {
471 physDev->emh->rclFrame.left = physDev->emh->rclBounds.left *
472 physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
473 physDev->emh->rclFrame.top = physDev->emh->rclBounds.top *
474 physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
475 physDev->emh->rclFrame.right = physDev->emh->rclBounds.right *
476 physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
477 physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom *
478 physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
479 }
480
481 if (physDev->hFile) /* disk based metafile */
482 {
483 if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0)
484 {
485 CloseHandle( physDev->hFile );
486 free_dc_ptr( dc );
487 return 0;
488 }
489
490 if (!WriteFile(physDev->hFile, physDev->emh, sizeof(*physDev->emh),
491 NULL, NULL))
492 {
493 CloseHandle( physDev->hFile );
494 free_dc_ptr( dc );
495 return 0;
496 }
497 HeapFree( GetProcessHeap(), 0, physDev->emh );
498 hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0,
499 0, NULL);
500 TRACE("hMapping = %p\n", hMapping );
501 physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
502 TRACE("view = %p\n", physDev->emh );
503 CloseHandle( hMapping );
504 CloseHandle( physDev->hFile );
505 }
506
507 hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) );
508 physDev->emh = NULL; /* So it won't be deleted */
509 free_dc_ptr( dc );
510 return hmf;
511 }