wined3d: read_from_framebuffer_texture() isn't suitable for readback of onscreen...
[wine/testsucceed.git] / dlls / gdi32 / enhmfdrv / init.c
blob115bb3935bdbc686595187712c23fec223d0927e
1 /*
2 * Enhanced MetaFile driver initialisation functions
4 * Copyright 1999 Huw D M Davies
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.
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.
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
21 #include <assert.h>
22 #include <stdarg.h>
23 #include <string.h>
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"
33 WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
35 static const DC_FUNCTIONS EMFDRV_Funcs =
37 NULL, /* pAbortDoc */
38 EMFDRV_AbortPath, /* pAbortPath */
39 NULL, /* pAlphaBlend */
40 NULL, /* pAngleArc */
41 EMFDRV_Arc, /* pArc */
42 NULL, /* pArcTo */
43 EMFDRV_BeginPath, /* pBeginPath */
44 EMFDRV_BitBlt, /* pBitBlt */
45 NULL, /* pChoosePixelFormat */
46 EMFDRV_Chord, /* pChord */
47 EMFDRV_CloseFigure, /* pCloseFigure */
48 NULL, /* pCreateBitmap */
49 NULL, /* pCreateDC */
50 NULL, /* pCreateDIBSection */
51 NULL, /* pDeleteBitmap */
52 NULL, /* pDeleteDC */
53 EMFDRV_DeleteObject, /* pDeleteObject */
54 NULL, /* pDescribePixelFormat */
55 NULL, /* pDeviceCapabilities */
56 EMFDRV_Ellipse, /* pEllipse */
57 NULL, /* pEndDoc */
58 NULL, /* pEndPage */
59 EMFDRV_EndPath, /* pEndPath */
60 NULL, /* pEnumDeviceFonts */
61 EMFDRV_ExcludeClipRect, /* pExcludeClipRect */
62 NULL, /* pExtDeviceMode */
63 NULL, /* pExtEscape */
64 EMFDRV_ExtFloodFill, /* pExtFloodFill */
65 EMFDRV_ExtSelectClipRgn, /* pExtSelectClipRgn */
66 EMFDRV_ExtTextOut, /* pExtTextOut */
67 EMFDRV_FillPath, /* pFillPath */
68 EMFDRV_FillRgn, /* pFillRgn */
69 EMFDRV_FlattenPath, /* pFlattenPath */
70 EMFDRV_FrameRgn, /* pFrameRgn */
71 EMFDRV_GdiComment, /* pGdiComment */
72 NULL, /* pGetBitmapBits */
73 NULL, /* pGetCharWidth */
74 NULL, /* pGetDCOrgEx */
75 NULL, /* pGetDIBColorTable */
76 NULL, /* pGetDIBits */
77 EMFDRV_GetDeviceCaps, /* pGetDeviceCaps */
78 NULL, /* pGetDeviceGammaRamp */
79 NULL, /* pGetICMProfile */
80 NULL, /* pGetNearestColor */
81 NULL, /* pGetPixel */
82 NULL, /* pGetPixelFormat */
83 NULL, /* pGetSystemPaletteEntries */
84 NULL, /* pGetTextExtentExPoint */
85 NULL, /* pGetTextMetrics */
86 EMFDRV_IntersectClipRect, /* pIntersectClipRect */
87 EMFDRV_InvertRgn, /* pInvertRgn */
88 EMFDRV_LineTo, /* pLineTo */
89 EMFDRV_ModifyWorldTransform, /* pModifyWorldTransform */
90 EMFDRV_MoveTo, /* pMoveTo */
91 EMFDRV_OffsetClipRgn, /* pOffsetClipRgn */
92 EMFDRV_OffsetViewportOrg, /* pOffsetViewportOrg */
93 EMFDRV_OffsetWindowOrg, /* pOffsetWindowOrg */
94 EMFDRV_PaintRgn, /* pPaintRgn */
95 EMFDRV_PatBlt, /* pPatBlt */
96 EMFDRV_Pie, /* pPie */
97 NULL, /* pPolyBezier */
98 NULL, /* pPolyBezierTo */
99 NULL, /* pPolyDraw */
100 EMFDRV_PolyPolygon, /* pPolyPolygon */
101 EMFDRV_PolyPolyline, /* pPolyPolyline */
102 EMFDRV_Polygon, /* pPolygon */
103 EMFDRV_Polyline, /* pPolyline */
104 NULL, /* pPolylineTo */
105 NULL, /* pRealizeDefaultPalette */
106 NULL, /* pRealizePalette */
107 EMFDRV_Rectangle, /* pRectangle */
108 NULL, /* pResetDC */
109 EMFDRV_RestoreDC, /* pRestoreDC */
110 EMFDRV_RoundRect, /* pRoundRect */
111 EMFDRV_SaveDC, /* pSaveDC */
112 EMFDRV_ScaleViewportExt, /* pScaleViewportExt */
113 EMFDRV_ScaleWindowExt, /* pScaleWindowExt */
114 EMFDRV_SelectBitmap, /* pSelectBitmap */
115 EMFDRV_SelectBrush, /* pSelectBrush */
116 EMFDRV_SelectClipPath, /* pSelectClipPath */
117 EMFDRV_SelectFont, /* pSelectFont */
118 EMFDRV_SelectPalette, /* pSelectPalette */
119 EMFDRV_SelectPen, /* pSelectPen */
120 EMFDRV_SetArcDirection, /* pSetArcDirection */
121 NULL, /* pSetBitmapBits */
122 EMFDRV_SetBkColor, /* pSetBkColor */
123 EMFDRV_SetBkMode, /* pSetBkMode */
124 NULL, /* pSetDCBrushColor */
125 NULL, /* pSetDCPenColor */
126 NULL, /* pSetDIBColorTable */
127 NULL, /* pSetDIBits */
128 EMFDRV_SetDIBitsToDevice, /* pSetDIBitsToDevice */
129 NULL, /* pSetDeviceClipping */
130 NULL, /* pSetDeviceGammaRamp */
131 EMFDRV_SetMapMode, /* pSetMapMode */
132 EMFDRV_SetMapperFlags, /* pSetMapperFlags */
133 EMFDRV_SetPixel, /* pSetPixel */
134 NULL, /* pSetPixelFormat */
135 EMFDRV_SetPolyFillMode, /* pSetPolyFillMode */
136 EMFDRV_SetROP2, /* pSetROP2 */
137 NULL, /* pSetRelAbs */
138 EMFDRV_SetStretchBltMode, /* pSetStretchBltMode */
139 EMFDRV_SetTextAlign, /* pSetTextAlign */
140 NULL, /* pSetTextCharacterExtra */
141 EMFDRV_SetTextColor, /* pSetTextColor */
142 EMFDRV_SetTextJustification, /* pSetTextJustification */
143 EMFDRV_SetViewportExt, /* pSetViewportExt */
144 EMFDRV_SetViewportOrg, /* pSetViewportOrg */
145 EMFDRV_SetWindowExt, /* pSetWindowExt */
146 EMFDRV_SetWindowOrg, /* pSetWindowOrg */
147 EMFDRV_SetWorldTransform, /* pSetWorldTransform */
148 NULL, /* pStartDoc */
149 NULL, /* pStartPage */
150 EMFDRV_StretchBlt, /* pStretchBlt */
151 EMFDRV_StretchDIBits, /* pStretchDIBits */
152 EMFDRV_StrokeAndFillPath, /* pStrokeAndFillPath */
153 EMFDRV_StrokePath, /* pStrokePath */
154 NULL, /* pSwapBuffers */
155 NULL, /* pUnrealizePalette */
156 EMFDRV_WidenPath /* pWidenPath */
160 /**********************************************************************
161 * EMFDRV_DeleteDC
163 static BOOL EMFDRV_DeleteDC( DC *dc )
165 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dc->physDev;
166 UINT index;
168 if (physDev->emh) HeapFree( GetProcessHeap(), 0, physDev->emh );
169 for(index = 0; index < physDev->handles_size; index++)
170 if(physDev->handles[index])
171 GDI_hdc_not_using_object(physDev->handles[index], physDev->hdc);
172 HeapFree( GetProcessHeap(), 0, physDev->handles );
173 HeapFree( GetProcessHeap(), 0, physDev );
174 dc->physDev = NULL;
175 free_dc_ptr( dc );
176 return TRUE;
180 /******************************************************************
181 * EMFDRV_WriteRecord
183 * Warning: this function can change the pointer to the metafile header.
185 BOOL EMFDRV_WriteRecord( PHYSDEV dev, EMR *emr )
187 DWORD len;
188 ENHMETAHEADER *emh;
189 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
191 TRACE("record %d, size %d %s\n",
192 emr->iType, emr->nSize, physDev->hFile ? "(to disk)" : "");
194 assert( !(emr->nSize & 3) );
196 physDev->emh->nBytes += emr->nSize;
197 physDev->emh->nRecords++;
199 if(physDev->hFile) {
200 if (!WriteFile(physDev->hFile, emr, emr->nSize, NULL, NULL))
201 return FALSE;
202 } else {
203 DWORD nEmfSize = HeapSize(GetProcessHeap(), 0, physDev->emh);
204 len = physDev->emh->nBytes;
205 if (len > nEmfSize) {
206 nEmfSize += (nEmfSize / 2) + emr->nSize;
207 emh = HeapReAlloc(GetProcessHeap(), 0, physDev->emh, nEmfSize);
208 if (!emh) return FALSE;
209 physDev->emh = emh;
211 memcpy((CHAR *)physDev->emh + physDev->emh->nBytes - emr->nSize, emr,
212 emr->nSize);
214 return TRUE;
218 /******************************************************************
219 * EMFDRV_UpdateBBox
221 void EMFDRV_UpdateBBox( PHYSDEV dev, RECTL *rect )
223 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
224 RECTL *bounds = &physDev->emh->rclBounds;
225 RECTL vportRect = *rect;
227 LPtoDP(physDev->hdc, (LPPOINT)&vportRect, 2);
229 /* The coordinate systems may be mirrored
230 (LPtoDP handles points, not rectangles) */
231 if (vportRect.left > vportRect.right)
233 LONG temp = vportRect.right;
234 vportRect.right = vportRect.left;
235 vportRect.left = temp;
237 if (vportRect.top > vportRect.bottom)
239 LONG temp = vportRect.bottom;
240 vportRect.bottom = vportRect.top;
241 vportRect.top = temp;
244 if (bounds->left > bounds->right)
246 /* first bounding rectangle */
247 *bounds = vportRect;
249 else
251 bounds->left = min(bounds->left, vportRect.left);
252 bounds->top = min(bounds->top, vportRect.top);
253 bounds->right = max(bounds->right, vportRect.right);
254 bounds->bottom = max(bounds->bottom, vportRect.bottom);
258 /**********************************************************************
259 * CreateEnhMetaFileA (GDI32.@)
261 HDC WINAPI CreateEnhMetaFileA(
262 HDC hdc, /* [in] optional reference DC */
263 LPCSTR filename, /* [in] optional filename for disk metafiles */
264 const RECT *rect, /* [in] optional bounding rectangle */
265 LPCSTR description /* [in] optional description */
268 LPWSTR filenameW = NULL;
269 LPWSTR descriptionW = NULL;
270 HDC hReturnDC;
271 DWORD len1, len2, total;
273 if(filename)
275 total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
276 filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
277 MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
279 if(description) {
280 len1 = strlen(description);
281 len2 = strlen(description + len1 + 1);
282 total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
283 descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
284 MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
287 hReturnDC = CreateEnhMetaFileW(hdc, filenameW, rect, descriptionW);
289 if(filenameW)
290 HeapFree( GetProcessHeap(), 0, filenameW );
291 if(descriptionW)
292 HeapFree( GetProcessHeap(), 0, descriptionW );
294 return hReturnDC;
297 /**********************************************************************
298 * CreateEnhMetaFileW (GDI32.@)
300 HDC WINAPI CreateEnhMetaFileW(
301 HDC hdc, /* [in] optional reference DC */
302 LPCWSTR filename, /* [in] optional filename for disk metafiles */
303 const RECT* rect, /* [in] optional bounding rectangle */
304 LPCWSTR description /* [in] optional description */
307 static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
308 HDC ret;
309 DC *dc;
310 HDC hRefDC = hdc ? hdc : CreateDCW(displayW,NULL,NULL,NULL);
311 /* If no ref, use current display */
312 EMFDRV_PDEVICE *physDev;
313 HANDLE hFile;
314 DWORD size = 0, length = 0;
316 TRACE("%s\n", debugstr_w(filename) );
318 if (!(dc = alloc_dc_ptr( &EMFDRV_Funcs, OBJ_ENHMETADC ))) return 0;
320 physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
321 if (!physDev) {
322 free_dc_ptr( dc );
323 return 0;
325 dc->physDev = (PHYSDEV)physDev;
326 physDev->hdc = dc->hSelf;
328 if(description) { /* App name\0Title\0\0 */
329 length = lstrlenW(description);
330 length += lstrlenW(description + length + 1);
331 length += 3;
332 length *= 2;
334 size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
336 if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
337 HeapFree( GetProcessHeap(), 0, physDev );
338 free_dc_ptr( dc );
339 return 0;
342 physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
343 physDev->handles_size = HANDLE_LIST_INC;
344 physDev->cur_handles = 1;
345 physDev->hFile = 0;
347 physDev->horzres = GetDeviceCaps(hRefDC, HORZRES);
348 physDev->vertres = GetDeviceCaps(hRefDC, VERTRES);
349 physDev->logpixelsx = GetDeviceCaps(hRefDC, LOGPIXELSX);
350 physDev->logpixelsy = GetDeviceCaps(hRefDC, LOGPIXELSY);
351 physDev->horzsize = GetDeviceCaps(hRefDC, HORZSIZE);
352 physDev->vertsize = GetDeviceCaps(hRefDC, VERTSIZE);
353 physDev->bitspixel = GetDeviceCaps(hRefDC, BITSPIXEL);
354 physDev->textcaps = GetDeviceCaps(hRefDC, TEXTCAPS);
355 physDev->rastercaps = GetDeviceCaps(hRefDC, RASTERCAPS);
356 physDev->technology = GetDeviceCaps(hRefDC, TECHNOLOGY);
357 physDev->planes = GetDeviceCaps(hRefDC, PLANES);
358 physDev->numcolors = GetDeviceCaps(hRefDC, NUMCOLORS);
359 physDev->restoring = 0;
361 SetVirtualResolution(dc->hSelf, 0, 0, 0, 0);
363 physDev->emh->iType = EMR_HEADER;
364 physDev->emh->nSize = size;
366 physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
367 physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
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;
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;
385 physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
386 physDev->emh->nDescription = length / 2;
388 physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
390 physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
392 /* Size in pixels */
393 physDev->emh->szlDevice.cx = physDev->horzres;
394 physDev->emh->szlDevice.cy = physDev->vertres;
396 /* Size in millimeters */
397 physDev->emh->szlMillimeters.cx = physDev->horzsize;
398 physDev->emh->szlMillimeters.cy = physDev->vertsize;
400 /* Size in micrometers */
401 physDev->emh->szlMicrometers.cx = physDev->horzsize * 1000;
402 physDev->emh->szlMicrometers.cy = physDev->vertsize * 1000;
404 memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
406 if (filename) /* disk based metafile */
408 if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
409 NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
410 EMFDRV_DeleteDC( dc );
411 return 0;
413 if (!WriteFile( hFile, physDev->emh, size, NULL, NULL )) {
414 EMFDRV_DeleteDC( dc );
415 return 0;
417 physDev->hFile = hFile;
420 TRACE("returning %p\n", dc->hSelf);
421 ret = dc->hSelf;
422 release_dc_ptr( dc );
424 if( !hdc )
425 DeleteDC( hRefDC );
427 return ret;
430 /******************************************************************
431 * CloseEnhMetaFile (GDI32.@)
433 HENHMETAFILE WINAPI CloseEnhMetaFile(HDC hdc) /* [in] metafile DC */
435 HENHMETAFILE hmf;
436 EMFDRV_PDEVICE *physDev;
437 DC *dc;
438 EMREOF emr;
439 HANDLE hMapping = 0;
441 TRACE("(%p)\n", hdc );
443 if (!(dc = get_dc_ptr( hdc ))) return NULL;
444 if (dc->header.type != OBJ_ENHMETADC)
446 release_dc_ptr( dc );
447 return NULL;
449 if (dc->refcount != 1)
451 FIXME( "not deleting busy DC %p refcount %u\n", dc->hSelf, dc->refcount );
452 release_dc_ptr( dc );
453 return NULL;
455 physDev = (EMFDRV_PDEVICE *)dc->physDev;
457 if(dc->saveLevel)
458 RestoreDC(hdc, 1);
460 emr.emr.iType = EMR_EOF;
461 emr.emr.nSize = sizeof(emr);
462 emr.nPalEntries = 0;
463 emr.offPalEntries = FIELD_OFFSET(EMREOF, nSizeLast);
464 emr.nSizeLast = emr.emr.nSize;
465 EMFDRV_WriteRecord( dc->physDev, &emr.emr );
467 /* Update rclFrame if not initialized in CreateEnhMetaFile */
468 if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) {
469 physDev->emh->rclFrame.left = physDev->emh->rclBounds.left *
470 physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
471 physDev->emh->rclFrame.top = physDev->emh->rclBounds.top *
472 physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
473 physDev->emh->rclFrame.right = physDev->emh->rclBounds.right *
474 physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
475 physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom *
476 physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
479 if (physDev->hFile) /* disk based metafile */
481 if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0)
483 CloseHandle( physDev->hFile );
484 EMFDRV_DeleteDC( dc );
485 return 0;
488 if (!WriteFile(physDev->hFile, physDev->emh, sizeof(*physDev->emh),
489 NULL, NULL))
491 CloseHandle( physDev->hFile );
492 EMFDRV_DeleteDC( dc );
493 return 0;
495 HeapFree( GetProcessHeap(), 0, physDev->emh );
496 hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0,
497 0, NULL);
498 TRACE("hMapping = %p\n", hMapping );
499 physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
500 TRACE("view = %p\n", physDev->emh );
501 CloseHandle( hMapping );
502 CloseHandle( physDev->hFile );
505 hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) );
506 physDev->emh = NULL; /* So it won't be deleted */
507 EMFDRV_DeleteDC( dc );
508 return hmf;