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Fixed header dependencies to be fully compatible with the Windows
[wine/multimedia.git] / dlls / gdi / enhmfdrv / init.c
blob3ea16c9353434478a9b442f5da44ce40cbce8764
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #include <stdarg.h>
22 #include <string.h>
23
24 #include "windef.h"
25 #include "winbase.h"
26 #include "wingdi.h"
27 #include "gdi.h"
28 #include "enhmfdrv/enhmetafiledrv.h"
29 #include "wine/debug.h"
30
31 WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
32
33 static const DC_FUNCTIONS EMFDRV_Funcs =
34 {
35 NULL, /* pAbortDoc */
36 EMFDRV_AbortPath, /* pAbortPath */
37 NULL, /* pAngleArc */
38 EMFDRV_Arc, /* pArc */
39 NULL, /* pArcTo */
40 EMFDRV_BeginPath, /* pBeginPath */
41 NULL, /* pBitBlt */
42 NULL, /* pChoosePixelFormat */
43 EMFDRV_Chord, /* pChord */
44 EMFDRV_CloseFigure, /* pCloseFigure */
45 NULL, /* pCreateBitmap */
46 NULL, /* pCreateDC */
47 NULL, /* pCreateDIBSection */
48 NULL, /* pDeleteBitmap */
49 NULL, /* pDeleteDC */
50 NULL, /* pDescribePixelFormat */
51 NULL, /* pDeviceCapabilities */
52 EMFDRV_Ellipse, /* pEllipse */
53 NULL, /* pEndDoc */
54 NULL, /* pEndPage */
55 EMFDRV_EndPath, /* pEndPath */
56 NULL, /* pEnumDeviceFonts */
57 EMFDRV_ExcludeClipRect, /* pExcludeClipRect */
58 NULL, /* pExtDeviceMode */
59 NULL, /* pExtEscape */
60 EMFDRV_ExtFloodFill, /* pExtFloodFill */
61 EMFDRV_ExtSelectClipRgn, /* pExtSelectClipRgn */
62 EMFDRV_ExtTextOut, /* pExtTextOut */
63 EMFDRV_FillPath, /* pFillPath */
64 EMFDRV_FillRgn, /* pFillRgn */
65 EMFDRV_FlattenPath, /* pFlattenPath */
66 EMFDRV_FrameRgn, /* pFrameRgn */
67 EMFDRV_GdiComment, /* pGdiComment */
68 NULL, /* pGetBitmapBits */
69 NULL, /* pGetCharWidth */
70 NULL, /* pGetDCOrgEx */
71 NULL, /* pGetDIBColorTable */
72 NULL, /* pGetDIBits */
73 EMFDRV_GetDeviceCaps, /* pGetDeviceCaps */
74 NULL, /* pGetDeviceGammaRamp */
75 NULL, /* pGetNearestColor */
76 NULL, /* pGetPixel */
77 NULL, /* pGetPixelFormat */
78 NULL, /* pGetSystemPaletteEntries */
79 NULL, /* pGetTextExtentPoint */
80 NULL, /* pGetTextMetrics */
81 EMFDRV_IntersectClipRect, /* pIntersectClipRect */
82 EMFDRV_InvertRgn, /* pInvertRgn */
83 EMFDRV_LineTo, /* pLineTo */
84 EMFDRV_ModifyWorldTransform, /* pModifyWorldTransform */
85 EMFDRV_MoveTo, /* pMoveTo */
86 EMFDRV_OffsetClipRgn, /* pOffsetClipRgn */
87 NULL, /* pOffsetViewportOrg */
88 NULL, /* pOffsetWindowOrg */
89 EMFDRV_PaintRgn, /* pPaintRgn */
90 EMFDRV_PatBlt, /* pPatBlt */
91 EMFDRV_Pie, /* pPie */
92 NULL, /* pPolyBezier */
93 NULL, /* pPolyBezierTo */
94 NULL, /* pPolyDraw */
95 EMFDRV_PolyPolygon, /* pPolyPolygon */
96 EMFDRV_PolyPolyline, /* pPolyPolyline */
97 EMFDRV_Polygon, /* pPolygon */
98 EMFDRV_Polyline, /* pPolyline */
99 NULL, /* pPolylineTo */
100 NULL, /* pRealizeDefaultPalette */
101 NULL, /* pRealizePalette */
102 EMFDRV_Rectangle, /* pRectangle */
103 NULL, /* pResetDC */
104 EMFDRV_RestoreDC, /* pRestoreDC */
105 EMFDRV_RoundRect, /* pRoundRect */
106 EMFDRV_SaveDC, /* pSaveDC */
107 EMFDRV_ScaleViewportExt, /* pScaleViewportExt */
108 EMFDRV_ScaleWindowExt, /* pScaleWindowExt */
109 EMFDRV_SelectBitmap, /* pSelectBitmap */
110 EMFDRV_SelectBrush, /* pSelectBrush */
111 EMFDRV_SelectClipPath, /* pSelectClipPath */
112 EMFDRV_SelectFont, /* pSelectFont */
113 NULL, /* pSelectPalette */
114 EMFDRV_SelectPen, /* pSelectPen */
115 NULL, /* pSetBitmapBits */
116 EMFDRV_SetBkColor, /* pSetBkColor */
117 EMFDRV_SetBkMode, /* pSetBkMode */
118 NULL, /* pSetDCOrg */
119 NULL, /* pSetDIBColorTable */
120 NULL, /* pSetDIBits */
121 NULL, /* pSetDIBitsToDevice */
122 NULL, /* pSetDeviceClipping */
123 NULL, /* pSetDeviceGammaRamp */
124 EMFDRV_SetMapMode, /* pSetMapMode */
125 EMFDRV_SetMapperFlags, /* pSetMapperFlags */
126 NULL, /* pSetPixel */
127 NULL, /* pSetPixelFormat */
128 EMFDRV_SetPolyFillMode, /* pSetPolyFillMode */
129 EMFDRV_SetROP2, /* pSetROP2 */
130 NULL, /* pSetRelAbs */
131 EMFDRV_SetStretchBltMode, /* pSetStretchBltMode */
132 EMFDRV_SetTextAlign, /* pSetTextAlign */
133 NULL, /* pSetTextCharacterExtra */
134 EMFDRV_SetTextColor, /* pSetTextColor */
135 NULL, /* pSetTextJustification */
136 EMFDRV_SetViewportExt, /* pSetViewportExt */
137 EMFDRV_SetViewportOrg, /* pSetViewportOrg */
138 EMFDRV_SetWindowExt, /* pSetWindowExt */
139 EMFDRV_SetWindowOrg, /* pSetWindowOrg */
140 EMFDRV_SetWorldTransform, /* pSetWorldTransform */
141 NULL, /* pStartDoc */
142 NULL, /* pStartPage */
143 NULL, /* pStretchBlt */
144 EMFDRV_StretchDIBits, /* pStretchDIBits */
145 EMFDRV_StrokeAndFillPath, /* pStrokeAndFillPath */
146 EMFDRV_StrokePath, /* pStrokePath */
147 NULL, /* pSwapBuffers */
148 EMFDRV_WidenPath /* pWidenPath */
149 };
150
151
152 /**********************************************************************
153 * EMFDRV_DeleteDC
154 */
155 static BOOL EMFDRV_DeleteDC( PHYSDEV dev )
156 {
157 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
158 DC *dc = physDev->dc;
159
160 if (physDev->emh) HeapFree( GetProcessHeap(), 0, physDev->emh );
161 HeapFree( GetProcessHeap(), 0, physDev );
162 dc->physDev = NULL;
163 GDI_FreeObject( dc->hSelf, dc );
164 return TRUE;
165 }
166
167
168 /******************************************************************
169 * EMFDRV_WriteRecord
170 *
171 * Warning: this function can change the pointer to the metafile header.
172 */
173 BOOL EMFDRV_WriteRecord( PHYSDEV dev, EMR *emr )
174 {
175 DWORD len;
176 ENHMETAHEADER *emh;
177 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
178
179 physDev->emh->nBytes += emr->nSize;
180 physDev->emh->nRecords++;
181
182 if(physDev->hFile) {
183 TRACE("Writing record to disk\n");
184 if (!WriteFile(physDev->hFile, (char *)emr, emr->nSize, NULL, NULL))
185 return FALSE;
186 } else {
187 len = physDev->emh->nBytes;
188 emh = HeapReAlloc( GetProcessHeap(), 0, physDev->emh, len );
189 if (!emh) return FALSE;
190 physDev->emh = emh;
191 memcpy((CHAR *)physDev->emh + physDev->emh->nBytes - emr->nSize, emr,
192 emr->nSize);
193 }
194 return TRUE;
195 }
196
197
198 /******************************************************************
199 * EMFDRV_UpdateBBox
200 */
201 void EMFDRV_UpdateBBox( PHYSDEV dev, RECTL *rect )
202 {
203 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
204 RECTL *bounds = &physDev->emh->rclBounds;
205
206 if(bounds->left > bounds->right) {/* first rect */
207 *bounds = *rect;
208 return;
209 }
210 bounds->left = min(bounds->left, rect->left);
211 bounds->top = min(bounds->top, rect->top);
212 bounds->right = max(bounds->right, rect->right);
213 bounds->bottom = max(bounds->bottom, rect->bottom);
214 return;
215 }
216
217 /******************************************************************
218 * EMFDRV_AddHandleDC
219 *
220 * Note: this function assumes that we never delete objects.
221 * If we do someday, we'll need to maintain a table to re-use deleted
222 * handles.
223 */
224 int EMFDRV_AddHandleDC( PHYSDEV dev )
225 {
226 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
227 physDev->emh->nHandles++;
228 return physDev->nextHandle++;
229 }
230
231
232 /**********************************************************************
233 * CreateEnhMetaFileA (GDI32.@)
234 */
235 HDC WINAPI CreateEnhMetaFileA(
236 HDC hdc, /* [in] optional reference DC */
237 LPCSTR filename, /* [in] optional filename for disk metafiles */
238 const RECT *rect, /* [in] optional bounding rectangle */
239 LPCSTR description /* [in] optional description */
240 )
241 {
242 LPWSTR filenameW = NULL;
243 LPWSTR descriptionW = NULL;
244 HDC hReturnDC;
245 DWORD len1, len2, total;
246
247 if(filename)
248 {
249 total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
250 filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
251 MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
252 }
253 if(description) {
254 len1 = strlen(description);
255 len2 = strlen(description + len1 + 1);
256 total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
257 descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
258 MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
259 }
260
261 hReturnDC = CreateEnhMetaFileW(hdc, filenameW, rect, descriptionW);
262
263 if(filenameW)
264 HeapFree( GetProcessHeap(), 0, filenameW );
265 if(descriptionW)
266 HeapFree( GetProcessHeap(), 0, descriptionW );
267
268 return hReturnDC;
269 }
270
271 /**********************************************************************
272 * CreateEnhMetaFileW (GDI32.@)
273 */
274 HDC WINAPI CreateEnhMetaFileW(
275 HDC hdc, /* [in] optional reference DC */
276 LPCWSTR filename, /* [in] optional filename for disk metafiles */
277 const RECT* rect, /* [in] optional bounding rectangle */
278 LPCWSTR description /* [in] optional description */
279 )
280 {
281 static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
282 HDC ret;
283 DC *dc;
284 HDC hRefDC = hdc ? hdc : CreateDCW(displayW,NULL,NULL,NULL);
285 /* If no ref, use current display */
286 EMFDRV_PDEVICE *physDev;
287 HANDLE hFile;
288 DWORD size = 0, length = 0;
289
290 TRACE("%s\n", debugstr_w(filename) );
291
292 if (!(dc = DC_AllocDC( &EMFDRV_Funcs, ENHMETAFILE_DC_MAGIC ))) return 0;
293
294 physDev = (EMFDRV_PDEVICE *)HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
295 if (!physDev) {
296 GDI_FreeObject( dc->hSelf, dc );
297 return 0;
298 }
299 dc->physDev = (PHYSDEV)physDev;
300 physDev->hdc = dc->hSelf;
301 physDev->dc = dc;
302
303 if(description) { /* App name\0Title\0\0 */
304 length = lstrlenW(description);
305 length += lstrlenW(description + length + 1);
306 length += 3;
307 length *= 2;
308 }
309 size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
310
311 if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
312 HeapFree( GetProcessHeap(), 0, physDev );
313 GDI_FreeObject( dc->hSelf, dc );
314 return 0;
315 }
316
317 physDev->nextHandle = 1;
318 physDev->hFile = 0;
319
320 physDev->horzres = GetDeviceCaps(hRefDC, HORZRES);
321 physDev->vertres = GetDeviceCaps(hRefDC, VERTRES);
322 physDev->logpixelsx = GetDeviceCaps(hRefDC, LOGPIXELSX);
323 physDev->logpixelsy = GetDeviceCaps(hRefDC, LOGPIXELSY);
324 physDev->horzsize = GetDeviceCaps(hRefDC, HORZSIZE);
325 physDev->vertsize = GetDeviceCaps(hRefDC, VERTSIZE);
326 physDev->bitspixel = GetDeviceCaps(hRefDC, BITSPIXEL);
327 physDev->textcaps = GetDeviceCaps(hRefDC, TEXTCAPS);
328 physDev->rastercaps = GetDeviceCaps(hRefDC, RASTERCAPS);
329 physDev->technology = GetDeviceCaps(hRefDC, TECHNOLOGY);
330 physDev->planes = GetDeviceCaps(hRefDC, PLANES);
331
332 physDev->emh->iType = EMR_HEADER;
333 physDev->emh->nSize = size;
334
335 physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
336 physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
337
338 if(rect) {
339 physDev->emh->rclFrame.left = rect->left;
340 physDev->emh->rclFrame.top = rect->top;
341 physDev->emh->rclFrame.right = rect->right;
342 physDev->emh->rclFrame.bottom = rect->bottom;
343 } else { /* Set this to {0,0 - -1,-1} and update it at the end */
344 physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0;
345 physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1;
346 }
347
348 physDev->emh->dSignature = ENHMETA_SIGNATURE;
349 physDev->emh->nVersion = 0x10000;
350 physDev->emh->nBytes = physDev->emh->nSize;
351 physDev->emh->nRecords = 1;
352 physDev->emh->nHandles = 1;
353
354 physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
355 physDev->emh->nDescription = length / 2;
356
357 physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
358
359 physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
360
361 /* Size in pixels */
362 physDev->emh->szlDevice.cx = physDev->horzres;
363 physDev->emh->szlDevice.cy = physDev->vertres;
364
365 /* Size in millimeters */
366 physDev->emh->szlMillimeters.cx = physDev->horzsize;
367 physDev->emh->szlMillimeters.cy = physDev->vertsize;
368
369 /* Size in micrometers */
370 physDev->emh->szlMicrometers.cx = physDev->horzsize * 1000;
371 physDev->emh->szlMicrometers.cy = physDev->vertsize * 1000;
372
373 memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
374
375 if (filename) /* disk based metafile */
376 {
377 if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
378 NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
379 EMFDRV_DeleteDC( dc->physDev );
380 return 0;
381 }
382 if (!WriteFile( hFile, (LPSTR)physDev->emh, size, NULL, NULL )) {
383 EMFDRV_DeleteDC( dc->physDev );
384 return 0;
385 }
386 physDev->hFile = hFile;
387 }
388
389 TRACE("returning %p\n", dc->hSelf);
390 ret = dc->hSelf;
391 GDI_ReleaseObj( dc->hSelf );
392
393 if( !hdc )
394 DeleteDC( hRefDC );
395
396 return ret;
397 }
398
399 /******************************************************************
400 * CloseEnhMetaFile (GDI32.@)
401 */
402 HENHMETAFILE WINAPI CloseEnhMetaFile(HDC hdc) /* [in] metafile DC */
403 {
404 HENHMETAFILE hmf;
405 EMFDRV_PDEVICE *physDev;
406 DC *dc;
407 EMREOF emr;
408 HANDLE hMapping = 0;
409
410 TRACE("(%p)\n", hdc );
411
412 if (!(dc = (DC *) GDI_GetObjPtr( hdc, ENHMETAFILE_DC_MAGIC ))) return 0;
413 physDev = (EMFDRV_PDEVICE *)dc->physDev;
414
415 emr.emr.iType = EMR_EOF;
416 emr.emr.nSize = sizeof(emr);
417 emr.nPalEntries = 0;
418 emr.offPalEntries = 0;
419 emr.nSizeLast = emr.emr.nSize;
420 EMFDRV_WriteRecord( dc->physDev, &emr.emr );
421
422 /* Update rclFrame if not initialized in CreateEnhMetaFile */
423 if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) {
424 physDev->emh->rclFrame.left = physDev->emh->rclBounds.left *
425 physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
426 physDev->emh->rclFrame.top = physDev->emh->rclBounds.top *
427 physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
428 physDev->emh->rclFrame.right = physDev->emh->rclBounds.right *
429 physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
430 physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom *
431 physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
432 }
433
434 if (physDev->hFile) /* disk based metafile */
435 {
436 if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0)
437 {
438 CloseHandle( physDev->hFile );
439 EMFDRV_DeleteDC( dc->physDev );
440 return 0;
441 }
442
443 if (!WriteFile(physDev->hFile, (LPSTR)physDev->emh,
444 sizeof(*physDev->emh), NULL, NULL))
445 {
446 CloseHandle( physDev->hFile );
447 EMFDRV_DeleteDC( dc->physDev );
448 return 0;
449 }
450 HeapFree( GetProcessHeap(), 0, physDev->emh );
451 hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0,
452 0, NULL);
453 TRACE("hMapping = %p\n", hMapping );
454 physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
455 TRACE("view = %p\n", physDev->emh );
456 CloseHandle( hMapping );
457 CloseHandle( physDev->hFile );
458 }
459
460 hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) );
461 physDev->emh = NULL; /* So it won't be deleted */
462 EMFDRV_DeleteDC( dc->physDev );
463 return hmf;
464 }
Maarten's multimedia branch