2 * Metafile driver graphics functions
4 * Copyright 1993, 1994 Alexandre Julliard
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
28 #include "mfdrv/metafiledrv.h"
29 #include "wine/debug.h"
31 WINE_DEFAULT_DEBUG_CHANNEL(metafile);
33 /**********************************************************************
36 BOOL MFDRV_MoveTo(PHYSDEV dev, INT x, INT y)
38 return MFDRV_MetaParam2(dev,META_MOVETO,x,y);
41 /***********************************************************************
44 BOOL MFDRV_LineTo( PHYSDEV dev, INT x, INT y )
46 return MFDRV_MetaParam2(dev, META_LINETO, x, y);
50 /***********************************************************************
53 BOOL MFDRV_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
54 INT xstart, INT ystart, INT xend, INT yend )
56 return MFDRV_MetaParam8(dev, META_ARC, left, top, right, bottom,
57 xstart, ystart, xend, yend);
61 /***********************************************************************
64 BOOL MFDRV_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
65 INT xstart, INT ystart, INT xend, INT yend )
67 return MFDRV_MetaParam8(dev, META_PIE, left, top, right, bottom,
68 xstart, ystart, xend, yend);
72 /***********************************************************************
75 BOOL MFDRV_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
76 INT xstart, INT ystart, INT xend, INT yend )
78 return MFDRV_MetaParam8(dev, META_CHORD, left, top, right, bottom,
79 xstart, ystart, xend, yend);
82 /***********************************************************************
85 BOOL MFDRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
87 return MFDRV_MetaParam4(dev, META_ELLIPSE, left, top, right, bottom);
90 /***********************************************************************
93 BOOL MFDRV_Rectangle(PHYSDEV dev, INT left, INT top, INT right, INT bottom)
95 return MFDRV_MetaParam4(dev, META_RECTANGLE, left, top, right, bottom);
98 /***********************************************************************
101 BOOL MFDRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
102 INT bottom, INT ell_width, INT ell_height )
104 return MFDRV_MetaParam6(dev, META_ROUNDRECT, left, top, right, bottom,
105 ell_width, ell_height);
108 /***********************************************************************
111 COLORREF MFDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
113 return MFDRV_MetaParam4(dev, META_SETPIXEL, x, y,HIWORD(color),
118 /******************************************************************
119 * MFDRV_MetaPoly - implements Polygon and Polyline
121 static BOOL MFDRV_MetaPoly(PHYSDEV dev, short func, POINTS *pt, short count)
127 len = sizeof(METARECORD) + (count * 4);
128 if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )))
131 mr->rdSize = len / 2;
132 mr->rdFunction = func;
133 *(mr->rdParm) = count;
134 memcpy(mr->rdParm + 1, pt, count * 4);
135 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
136 HeapFree( GetProcessHeap(), 0, mr);
141 /**********************************************************************
144 BOOL MFDRV_Polyline( PHYSDEV dev, const POINT* pt, INT count )
150 pts = HeapAlloc( GetProcessHeap(), 0, sizeof(POINTS)*count );
151 if(!pts) return FALSE;
157 ret = MFDRV_MetaPoly(dev, META_POLYLINE, pts, count);
159 HeapFree( GetProcessHeap(), 0, pts );
164 /**********************************************************************
167 BOOL MFDRV_Polygon( PHYSDEV dev, const POINT* pt, INT count )
173 pts = HeapAlloc( GetProcessHeap(), 0, sizeof(POINTS)*count );
174 if(!pts) return FALSE;
180 ret = MFDRV_MetaPoly(dev, META_POLYGON, pts, count);
182 HeapFree( GetProcessHeap(), 0, pts );
187 /**********************************************************************
190 BOOL MFDRV_PolyPolygon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polygons)
197 INT16 totalpoint16 = 0;
200 for (i=0;i<polygons;i++) {
201 totalpoint16 += counts[i];
204 /* allocate space for all points */
205 pts=HeapAlloc( GetProcessHeap(), 0, sizeof(POINTS) * totalpoint16 );
206 pointcounts = HeapAlloc( GetProcessHeap(), 0, sizeof(INT16) * totalpoint16 );
208 /* copy point counts */
209 for (i=0;i<polygons;i++) {
210 pointcounts[i] = counts[i];
213 /* convert all points */
214 for (j = totalpoint16; j--;){
219 len = sizeof(METARECORD) + sizeof(WORD) + polygons*sizeof(INT16) + totalpoint16*sizeof(*pts);
221 if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len ))) {
222 HeapFree( GetProcessHeap(), 0, pts );
223 HeapFree( GetProcessHeap(), 0, pointcounts );
228 mr->rdFunction = META_POLYPOLYGON;
229 *(mr->rdParm) = polygons;
230 memcpy(mr->rdParm + 1, pointcounts, polygons*sizeof(INT16));
231 memcpy(mr->rdParm + 1+polygons, pts , totalpoint16*sizeof(*pts));
232 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
234 HeapFree( GetProcessHeap(), 0, pts );
235 HeapFree( GetProcessHeap(), 0, pointcounts );
236 HeapFree( GetProcessHeap(), 0, mr);
241 /**********************************************************************
244 BOOL MFDRV_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT fillType )
246 return MFDRV_MetaParam4(dev,META_FLOODFILL,x,y,HIWORD(color),
251 /******************************************************************
254 * For explanation of the format of the record see MF_Play_MetaCreateRegion in
257 static INT16 MFDRV_CreateRegion(PHYSDEV dev, HRGN hrgn)
262 RECT *pCurRect, *pEndRect;
263 WORD Bands = 0, MaxBands = 0;
264 WORD *Param, *StartBand;
267 if (!(len = GetRegionData( hrgn, 0, NULL ))) return -1;
268 if( !(rgndata = HeapAlloc( GetProcessHeap(), 0, len )) ) {
269 WARN("Can't alloc rgndata buffer\n");
272 GetRegionData( hrgn, len, rgndata );
274 /* Overestimate of length:
275 * Assume every rect is a separate band -> 6 WORDs per rect
277 len = sizeof(METARECORD) + 20 + (rgndata->rdh.nCount * 12);
278 if( !(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )) ) {
279 WARN("Can't alloc METARECORD buffer\n");
280 HeapFree( GetProcessHeap(), 0, rgndata );
284 Param = mr->rdParm + 11;
287 pEndRect = (RECT *)rgndata->Buffer + rgndata->rdh.nCount;
288 for(pCurRect = (RECT *)rgndata->Buffer; pCurRect < pEndRect; pCurRect++)
290 if( StartBand && pCurRect->top == *(StartBand + 1) )
292 *Param++ = pCurRect->left;
293 *Param++ = pCurRect->right;
299 *StartBand = Param - StartBand - 3;
300 *Param++ = *StartBand;
301 if(*StartBand > MaxBands)
302 MaxBands = *StartBand;
306 *Param++ = pCurRect->top;
307 *Param++ = pCurRect->bottom;
308 *Param++ = pCurRect->left;
309 *Param++ = pCurRect->right;
312 len = Param - (WORD *)mr;
316 mr->rdParm[2] = 0x1234;
318 mr->rdParm[4] = len * 2;
319 mr->rdParm[5] = Bands;
320 mr->rdParm[6] = MaxBands;
321 mr->rdParm[7] = rgndata->rdh.rcBound.left;
322 mr->rdParm[8] = rgndata->rdh.rcBound.top;
323 mr->rdParm[9] = rgndata->rdh.rcBound.right;
324 mr->rdParm[10] = rgndata->rdh.rcBound.bottom;
325 mr->rdFunction = META_CREATEREGION;
326 mr->rdSize = len / 2;
327 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2 );
328 HeapFree( GetProcessHeap(), 0, mr );
329 HeapFree( GetProcessHeap(), 0, rgndata );
332 WARN("MFDRV_WriteRecord failed\n");
335 return MFDRV_AddHandle( dev, hrgn );
339 /**********************************************************************
342 BOOL MFDRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
345 index = MFDRV_CreateRegion( dev, hrgn );
348 return MFDRV_MetaParam1( dev, META_PAINTREGION, index );
352 /**********************************************************************
355 BOOL MFDRV_InvertRgn( PHYSDEV dev, HRGN hrgn )
358 index = MFDRV_CreateRegion( dev, hrgn );
361 return MFDRV_MetaParam1( dev, META_INVERTREGION, index );
365 /**********************************************************************
368 BOOL MFDRV_FillRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush )
371 iRgn = MFDRV_CreateRegion( dev, hrgn );
374 iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
377 return MFDRV_MetaParam2( dev, META_FILLREGION, iRgn, iBrush );
380 /**********************************************************************
383 BOOL MFDRV_FrameRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush, INT x, INT y )
386 iRgn = MFDRV_CreateRegion( dev, hrgn );
389 iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
392 return MFDRV_MetaParam4( dev, META_FRAMEREGION, iRgn, iBrush, x, y );
396 /**********************************************************************
397 * MFDRV_ExtSelectClipRgn
399 INT MFDRV_ExtSelectClipRgn( PHYSDEV dev, HRGN hrgn, INT mode )
404 if (mode != RGN_COPY) return ERROR;
405 if (!hrgn) return NULLREGION;
406 iRgn = MFDRV_CreateRegion( dev, hrgn );
407 if(iRgn == -1) return ERROR;
408 ret = MFDRV_MetaParam1( dev, META_SELECTCLIPREGION, iRgn ) ? NULLREGION : ERROR;
409 MFDRV_MetaParam1( dev, META_DELETEOBJECT, iRgn );
410 MFDRV_RemoveHandle( dev, iRgn );
415 /**********************************************************************
417 * Since MetaFiles don't record Beziers and they don't even record
418 * approximations to them using lines, we need this stub function.
420 BOOL MFDRV_PolyBezier( PHYSDEV dev, const POINT *pts, DWORD count )
425 /**********************************************************************
427 * Since MetaFiles don't record Beziers and they don't even record
428 * approximations to them using lines, we need this stub function.
430 BOOL MFDRV_PolyBezierTo( PHYSDEV dev, const POINT *pts, DWORD count )