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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "mfdrv/metafiledrv.h"
26 #include "wine/debug.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(metafile);
30 /**********************************************************************
34 MFDRV_MoveTo(PHYSDEV dev, INT x, INT y)
36 return MFDRV_MetaParam2(dev,META_MOVETO,x,y);
39 /***********************************************************************
43 MFDRV_LineTo( PHYSDEV dev, INT x, INT y )
45 return MFDRV_MetaParam2(dev, META_LINETO, x, y);
49 /***********************************************************************
53 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 /***********************************************************************
65 MFDRV_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
66 INT xstart, INT ystart, INT xend, INT yend )
68 return MFDRV_MetaParam8(dev, META_PIE, left, top, right, bottom,
69 xstart, ystart, xend, yend);
73 /***********************************************************************
77 MFDRV_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
78 INT xstart, INT ystart, INT xend, INT yend )
80 return MFDRV_MetaParam8(dev, META_CHORD, left, top, right, bottom,
81 xstart, ystart, xend, yend);
84 /***********************************************************************
88 MFDRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
90 return MFDRV_MetaParam4(dev, META_ELLIPSE, left, top, right, bottom);
93 /***********************************************************************
97 MFDRV_Rectangle(PHYSDEV dev, INT left, INT top, INT right, INT bottom)
99 return MFDRV_MetaParam4(dev, META_RECTANGLE, left, top, right, bottom);
102 /***********************************************************************
106 MFDRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
107 INT bottom, INT ell_width, INT ell_height )
109 return MFDRV_MetaParam6(dev, META_ROUNDRECT, left, top, right, bottom,
110 ell_width, ell_height);
113 /***********************************************************************
117 MFDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
119 return MFDRV_MetaParam4(dev, META_SETPIXEL, x, y,HIWORD(color),
124 /******************************************************************
125 * MFDRV_MetaPoly - implements Polygon and Polyline
127 static BOOL MFDRV_MetaPoly(PHYSDEV dev, short func, LPPOINT16 pt, short count)
133 len = sizeof(METARECORD) + (count * 4);
134 if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )))
137 mr->rdSize = len / 2;
138 mr->rdFunction = func;
139 *(mr->rdParm) = count;
140 memcpy(mr->rdParm + 1, pt, count * 4);
141 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
142 HeapFree( GetProcessHeap(), 0, mr);
147 /**********************************************************************
151 MFDRV_Polyline( PHYSDEV dev, const POINT* pt, INT count )
157 pt16 = (LPPOINT16)HeapAlloc( GetProcessHeap(), 0, sizeof(POINT16)*count );
158 if(!pt16) return FALSE;
164 ret = MFDRV_MetaPoly(dev, META_POLYLINE, pt16, count);
166 HeapFree( GetProcessHeap(), 0, pt16 );
171 /**********************************************************************
175 MFDRV_Polygon( PHYSDEV dev, const POINT* pt, INT count )
181 pt16 = (LPPOINT16) HeapAlloc( GetProcessHeap(), 0, sizeof(POINT16)*count );
182 if(!pt16) return FALSE;
188 ret = MFDRV_MetaPoly(dev, META_POLYGON, pt16, count);
190 HeapFree( GetProcessHeap(), 0, pt16 );
195 /**********************************************************************
199 MFDRV_PolyPolygon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polygons)
206 INT16 totalpoint16 = 0;
209 for (i=0;i<polygons;i++) {
210 totalpoint16 += counts[i];
213 /* allocate space for all points */
214 pt16=(LPPOINT16)HeapAlloc( GetProcessHeap(), 0,
215 sizeof(POINT16) * totalpoint16 );
216 pointcounts = (INT16*)HeapAlloc( GetProcessHeap(), 0,
217 sizeof(INT16) * totalpoint16 );
219 /* copy point counts */
220 for (i=0;i<polygons;i++) {
221 pointcounts[i] = counts[i];
224 /* convert all points */
225 for (j = totalpoint16; j--;){
230 len = sizeof(METARECORD) + sizeof(WORD) + polygons*sizeof(INT16) + totalpoint16*sizeof(POINT16);
232 if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len ))) {
233 HeapFree( GetProcessHeap(), 0, pt16 );
234 HeapFree( GetProcessHeap(), 0, pointcounts );
239 mr->rdFunction = META_POLYPOLYGON;
240 *(mr->rdParm) = polygons;
241 memcpy(mr->rdParm + 1, pointcounts, polygons*sizeof(INT16));
242 memcpy(mr->rdParm + 1+polygons, pt16 , totalpoint16*sizeof(POINT16));
243 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
245 HeapFree( GetProcessHeap(), 0, pt16 );
246 HeapFree( GetProcessHeap(), 0, pointcounts );
247 HeapFree( GetProcessHeap(), 0, mr);
252 /**********************************************************************
256 MFDRV_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT fillType )
258 return MFDRV_MetaParam4(dev,META_FLOODFILL,x,y,HIWORD(color),
263 /******************************************************************
266 * For explanation of the format of the record see MF_Play_MetaCreateRegion in
269 static INT16 MFDRV_CreateRegion(PHYSDEV dev, HRGN hrgn)
274 RECT *pCurRect, *pEndRect;
275 WORD Bands = 0, MaxBands = 0;
276 WORD *Param, *StartBand;
279 if (!(len = GetRegionData( hrgn, 0, NULL ))) return -1;
280 if( !(rgndata = HeapAlloc( GetProcessHeap(), 0, len )) ) {
281 WARN("Can't alloc rgndata buffer\n");
284 GetRegionData( hrgn, len, rgndata );
286 /* Overestimate of length:
287 * Assume every rect is a separate band -> 6 WORDs per rect
289 len = sizeof(METARECORD) + 20 + (rgndata->rdh.nCount * 12);
290 if( !(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )) ) {
291 WARN("Can't alloc METARECORD buffer\n");
292 HeapFree( GetProcessHeap(), 0, rgndata );
296 Param = mr->rdParm + 11;
299 pEndRect = (RECT *)rgndata->Buffer + rgndata->rdh.nCount;
300 for(pCurRect = (RECT *)rgndata->Buffer; pCurRect < pEndRect; pCurRect++)
302 if( StartBand && pCurRect->top == *(StartBand + 1) )
304 *Param++ = pCurRect->left;
305 *Param++ = pCurRect->right;
311 *StartBand = Param - StartBand - 3;
312 *Param++ = *StartBand;
313 if(*StartBand > MaxBands)
314 MaxBands = *StartBand;
318 *Param++ = pCurRect->top;
319 *Param++ = pCurRect->bottom;
320 *Param++ = pCurRect->left;
321 *Param++ = pCurRect->right;
324 len = Param - (WORD *)mr;
328 mr->rdParm[2] = 0x1234;
330 mr->rdParm[4] = len * 2;
331 mr->rdParm[5] = Bands;
332 mr->rdParm[6] = MaxBands;
333 mr->rdParm[7] = rgndata->rdh.rcBound.left;
334 mr->rdParm[8] = rgndata->rdh.rcBound.top;
335 mr->rdParm[9] = rgndata->rdh.rcBound.right;
336 mr->rdParm[10] = rgndata->rdh.rcBound.bottom;
337 mr->rdFunction = META_CREATEREGION;
338 mr->rdSize = len / 2;
339 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2 );
340 HeapFree( GetProcessHeap(), 0, mr );
341 HeapFree( GetProcessHeap(), 0, rgndata );
344 WARN("MFDRV_WriteRecord failed\n");
347 return MFDRV_AddHandle( dev, hrgn );
351 /**********************************************************************
355 MFDRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
358 index = MFDRV_CreateRegion( dev, hrgn );
361 return MFDRV_MetaParam1( dev, META_PAINTREGION, index );
365 /**********************************************************************
369 MFDRV_InvertRgn( PHYSDEV dev, HRGN hrgn )
372 index = MFDRV_CreateRegion( dev, hrgn );
375 return MFDRV_MetaParam1( dev, META_INVERTREGION, index );
379 /**********************************************************************
383 MFDRV_FillRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush )
386 iRgn = MFDRV_CreateRegion( dev, hrgn );
389 iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
392 return MFDRV_MetaParam2( dev, META_FILLREGION, iRgn, iBrush );
395 /**********************************************************************
399 MFDRV_FrameRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush, INT x, INT y )
402 iRgn = MFDRV_CreateRegion( dev, hrgn );
405 iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
408 return MFDRV_MetaParam4( dev, META_FRAMEREGION, iRgn, iBrush, x, y );
412 /**********************************************************************
413 * MFDRV_ExtSelectClipRgn
415 INT MFDRV_ExtSelectClipRgn( PHYSDEV dev, HRGN hrgn, INT mode )
420 if (mode != RGN_COPY) return ERROR;
421 if (!hrgn) return NULLREGION;
422 iRgn = MFDRV_CreateRegion( dev, hrgn );
423 if(iRgn == -1) return ERROR;
424 ret = MFDRV_MetaParam1( dev, META_SELECTCLIPREGION, iRgn ) ? NULLREGION : ERROR;
425 MFDRV_MetaParam1( dev, META_DELETEOBJECT, iRgn );
430 /**********************************************************************
434 MFDRV_SetBkColor( PHYSDEV dev, COLORREF color )
436 return MFDRV_MetaParam2(dev, META_SETBKCOLOR, HIWORD(color),
437 LOWORD(color)) ? color : CLR_INVALID;
441 /**********************************************************************
445 MFDRV_SetTextColor( PHYSDEV dev, COLORREF color )
447 return MFDRV_MetaParam2(dev, META_SETTEXTCOLOR, HIWORD(color),
448 LOWORD(color)) ? color : CLR_INVALID;
452 /**********************************************************************
454 * Since MetaFiles don't record Beziers and they don't even record
455 * approximations to them using lines, we need this stub function.
458 MFDRV_PolyBezier( PHYSDEV dev, const POINT *pts, DWORD count )
463 /**********************************************************************
465 * Since MetaFiles don't record Beziers and they don't even record
466 * approximations to them using lines, we need this stub function.
469 MFDRV_PolyBezierTo( PHYSDEV dev, const POINT *pts, DWORD count )