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
24 #include "mfdrv/metafiledrv.h"
25 #include "wine/debug.h"
27 WINE_DEFAULT_DEBUG_CHANNEL(metafile);
29 /**********************************************************************
33 MFDRV_MoveTo(PHYSDEV dev, INT x, INT y)
35 return MFDRV_MetaParam2(dev,META_MOVETO,x,y);
38 /***********************************************************************
42 MFDRV_LineTo( PHYSDEV dev, INT x, INT y )
44 return MFDRV_MetaParam2(dev, META_LINETO, x, y);
48 /***********************************************************************
52 MFDRV_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
53 INT xstart, INT ystart, INT xend, INT yend )
55 return MFDRV_MetaParam8(dev, META_ARC, left, top, right, bottom,
56 xstart, ystart, xend, yend);
60 /***********************************************************************
64 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 /***********************************************************************
76 MFDRV_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
77 INT xstart, INT ystart, INT xend, INT yend )
79 return MFDRV_MetaParam8(dev, META_CHORD, left, top, right, bottom,
80 xstart, ystart, xend, yend);
83 /***********************************************************************
87 MFDRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
89 return MFDRV_MetaParam4(dev, META_ELLIPSE, left, top, right, bottom);
92 /***********************************************************************
96 MFDRV_Rectangle(PHYSDEV dev, INT left, INT top, INT right, INT bottom)
98 return MFDRV_MetaParam4(dev, META_RECTANGLE, left, top, right, bottom);
101 /***********************************************************************
105 MFDRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
106 INT bottom, INT ell_width, INT ell_height )
108 return MFDRV_MetaParam6(dev, META_ROUNDRECT, left, top, right, bottom,
109 ell_width, ell_height);
112 /***********************************************************************
116 MFDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
118 return MFDRV_MetaParam4(dev, META_SETPIXEL, x, y,HIWORD(color),
123 /******************************************************************
124 * MFDRV_MetaPoly - implements Polygon and Polyline
126 static BOOL MFDRV_MetaPoly(PHYSDEV dev, short func, LPPOINT16 pt, short count)
132 len = sizeof(METARECORD) + (count * 4);
133 if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )))
136 mr->rdSize = len / 2;
137 mr->rdFunction = func;
138 *(mr->rdParm) = count;
139 memcpy(mr->rdParm + 1, pt, count * 4);
140 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
141 HeapFree( GetProcessHeap(), 0, mr);
146 /**********************************************************************
150 MFDRV_Polyline( PHYSDEV dev, const POINT* pt, INT count )
156 pt16 = HeapAlloc( GetProcessHeap(), 0, sizeof(POINT16)*count );
157 if(!pt16) return FALSE;
163 ret = MFDRV_MetaPoly(dev, META_POLYLINE, pt16, count);
165 HeapFree( GetProcessHeap(), 0, pt16 );
170 /**********************************************************************
174 MFDRV_Polygon( PHYSDEV dev, const POINT* pt, INT count )
180 pt16 = HeapAlloc( GetProcessHeap(), 0, sizeof(POINT16)*count );
181 if(!pt16) return FALSE;
187 ret = MFDRV_MetaPoly(dev, META_POLYGON, pt16, count);
189 HeapFree( GetProcessHeap(), 0, pt16 );
194 /**********************************************************************
198 MFDRV_PolyPolygon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polygons)
205 INT16 totalpoint16 = 0;
208 for (i=0;i<polygons;i++) {
209 totalpoint16 += counts[i];
212 /* allocate space for all points */
213 pt16=HeapAlloc( GetProcessHeap(), 0, sizeof(POINT16) * totalpoint16 );
214 pointcounts = HeapAlloc( GetProcessHeap(), 0, sizeof(INT16) * totalpoint16 );
216 /* copy point counts */
217 for (i=0;i<polygons;i++) {
218 pointcounts[i] = counts[i];
221 /* convert all points */
222 for (j = totalpoint16; j--;){
227 len = sizeof(METARECORD) + sizeof(WORD) + polygons*sizeof(INT16) + totalpoint16*sizeof(POINT16);
229 if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len ))) {
230 HeapFree( GetProcessHeap(), 0, pt16 );
231 HeapFree( GetProcessHeap(), 0, pointcounts );
236 mr->rdFunction = META_POLYPOLYGON;
237 *(mr->rdParm) = polygons;
238 memcpy(mr->rdParm + 1, pointcounts, polygons*sizeof(INT16));
239 memcpy(mr->rdParm + 1+polygons, pt16 , totalpoint16*sizeof(POINT16));
240 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
242 HeapFree( GetProcessHeap(), 0, pt16 );
243 HeapFree( GetProcessHeap(), 0, pointcounts );
244 HeapFree( GetProcessHeap(), 0, mr);
249 /**********************************************************************
253 MFDRV_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT fillType )
255 return MFDRV_MetaParam4(dev,META_FLOODFILL,x,y,HIWORD(color),
260 /******************************************************************
263 * For explanation of the format of the record see MF_Play_MetaCreateRegion in
266 static INT16 MFDRV_CreateRegion(PHYSDEV dev, HRGN hrgn)
271 RECT *pCurRect, *pEndRect;
272 WORD Bands = 0, MaxBands = 0;
273 WORD *Param, *StartBand;
276 if (!(len = GetRegionData( hrgn, 0, NULL ))) return -1;
277 if( !(rgndata = HeapAlloc( GetProcessHeap(), 0, len )) ) {
278 WARN("Can't alloc rgndata buffer\n");
281 GetRegionData( hrgn, len, rgndata );
283 /* Overestimate of length:
284 * Assume every rect is a separate band -> 6 WORDs per rect
286 len = sizeof(METARECORD) + 20 + (rgndata->rdh.nCount * 12);
287 if( !(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )) ) {
288 WARN("Can't alloc METARECORD buffer\n");
289 HeapFree( GetProcessHeap(), 0, rgndata );
293 Param = mr->rdParm + 11;
296 pEndRect = (RECT *)rgndata->Buffer + rgndata->rdh.nCount;
297 for(pCurRect = (RECT *)rgndata->Buffer; pCurRect < pEndRect; pCurRect++)
299 if( StartBand && pCurRect->top == *(StartBand + 1) )
301 *Param++ = pCurRect->left;
302 *Param++ = pCurRect->right;
308 *StartBand = Param - StartBand - 3;
309 *Param++ = *StartBand;
310 if(*StartBand > MaxBands)
311 MaxBands = *StartBand;
315 *Param++ = pCurRect->top;
316 *Param++ = pCurRect->bottom;
317 *Param++ = pCurRect->left;
318 *Param++ = pCurRect->right;
321 len = Param - (WORD *)mr;
325 mr->rdParm[2] = 0x1234;
327 mr->rdParm[4] = len * 2;
328 mr->rdParm[5] = Bands;
329 mr->rdParm[6] = MaxBands;
330 mr->rdParm[7] = rgndata->rdh.rcBound.left;
331 mr->rdParm[8] = rgndata->rdh.rcBound.top;
332 mr->rdParm[9] = rgndata->rdh.rcBound.right;
333 mr->rdParm[10] = rgndata->rdh.rcBound.bottom;
334 mr->rdFunction = META_CREATEREGION;
335 mr->rdSize = len / 2;
336 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2 );
337 HeapFree( GetProcessHeap(), 0, mr );
338 HeapFree( GetProcessHeap(), 0, rgndata );
341 WARN("MFDRV_WriteRecord failed\n");
344 return MFDRV_AddHandle( dev, hrgn );
348 /**********************************************************************
352 MFDRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
355 index = MFDRV_CreateRegion( dev, hrgn );
358 return MFDRV_MetaParam1( dev, META_PAINTREGION, index );
362 /**********************************************************************
366 MFDRV_InvertRgn( PHYSDEV dev, HRGN hrgn )
369 index = MFDRV_CreateRegion( dev, hrgn );
372 return MFDRV_MetaParam1( dev, META_INVERTREGION, index );
376 /**********************************************************************
380 MFDRV_FillRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush )
383 iRgn = MFDRV_CreateRegion( dev, hrgn );
386 iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
389 return MFDRV_MetaParam2( dev, META_FILLREGION, iRgn, iBrush );
392 /**********************************************************************
396 MFDRV_FrameRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush, INT x, INT y )
399 iRgn = MFDRV_CreateRegion( dev, hrgn );
402 iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
405 return MFDRV_MetaParam4( dev, META_FRAMEREGION, iRgn, iBrush, x, y );
409 /**********************************************************************
410 * MFDRV_ExtSelectClipRgn
412 INT MFDRV_ExtSelectClipRgn( PHYSDEV dev, HRGN hrgn, INT mode )
417 if (mode != RGN_COPY) return ERROR;
418 if (!hrgn) return NULLREGION;
419 iRgn = MFDRV_CreateRegion( dev, hrgn );
420 if(iRgn == -1) return ERROR;
421 ret = MFDRV_MetaParam1( dev, META_SELECTCLIPREGION, iRgn ) ? NULLREGION : ERROR;
422 MFDRV_MetaParam1( dev, META_DELETEOBJECT, iRgn );
423 MFDRV_RemoveHandle( dev, iRgn );
428 /**********************************************************************
432 MFDRV_SetBkColor( PHYSDEV dev, COLORREF color )
434 return MFDRV_MetaParam2(dev, META_SETBKCOLOR, HIWORD(color),
435 LOWORD(color)) ? color : CLR_INVALID;
439 /**********************************************************************
443 MFDRV_SetTextColor( PHYSDEV dev, COLORREF color )
445 return MFDRV_MetaParam2(dev, META_SETTEXTCOLOR, HIWORD(color),
446 LOWORD(color)) ? color : CLR_INVALID;
450 /**********************************************************************
452 * Since MetaFiles don't record Beziers and they don't even record
453 * approximations to them using lines, we need this stub function.
456 MFDRV_PolyBezier( PHYSDEV dev, const POINT *pts, DWORD count )
461 /**********************************************************************
463 * Since MetaFiles don't record Beziers and they don't even record
464 * approximations to them using lines, we need this stub function.
467 MFDRV_PolyBezierTo( PHYSDEV dev, const POINT *pts, DWORD count )