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
26 #include "mfdrv/metafiledrv.h"
27 #include "wine/debug.h"
29 WINE_DEFAULT_DEBUG_CHANNEL(metafile);
31 /**********************************************************************
35 MFDRV_MoveTo(PHYSDEV dev, INT x, INT y)
37 return MFDRV_MetaParam2(dev,META_MOVETO,x,y);
40 /***********************************************************************
44 MFDRV_LineTo( PHYSDEV dev, INT x, INT y )
46 return MFDRV_MetaParam2(dev, META_LINETO, x, y);
50 /***********************************************************************
54 MFDRV_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
55 INT xstart, INT ystart, INT xend, INT yend )
57 return MFDRV_MetaParam8(dev, META_ARC, left, top, right, bottom,
58 xstart, ystart, xend, yend);
62 /***********************************************************************
66 MFDRV_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
67 INT xstart, INT ystart, INT xend, INT yend )
69 return MFDRV_MetaParam8(dev, META_PIE, left, top, right, bottom,
70 xstart, ystart, xend, yend);
74 /***********************************************************************
78 MFDRV_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
79 INT xstart, INT ystart, INT xend, INT yend )
81 return MFDRV_MetaParam8(dev, META_CHORD, left, top, right, bottom,
82 xstart, ystart, xend, yend);
85 /***********************************************************************
89 MFDRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
91 return MFDRV_MetaParam4(dev, META_ELLIPSE, left, top, right, bottom);
94 /***********************************************************************
98 MFDRV_Rectangle(PHYSDEV dev, INT left, INT top, INT right, INT bottom)
100 return MFDRV_MetaParam4(dev, META_RECTANGLE, left, top, right, bottom);
103 /***********************************************************************
107 MFDRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
108 INT bottom, INT ell_width, INT ell_height )
110 return MFDRV_MetaParam6(dev, META_ROUNDRECT, left, top, right, bottom,
111 ell_width, ell_height);
114 /***********************************************************************
118 MFDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
120 return MFDRV_MetaParam4(dev, META_SETPIXEL, x, y,HIWORD(color),
125 /******************************************************************
126 * MFDRV_MetaPoly - implements Polygon and Polyline
128 static BOOL MFDRV_MetaPoly(PHYSDEV dev, short func, LPPOINT16 pt, short count)
134 len = sizeof(METARECORD) + (count * 4);
135 if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )))
138 mr->rdSize = len / 2;
139 mr->rdFunction = func;
140 *(mr->rdParm) = count;
141 memcpy(mr->rdParm + 1, pt, count * 4);
142 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
143 HeapFree( GetProcessHeap(), 0, mr);
148 /**********************************************************************
152 MFDRV_Polyline( PHYSDEV dev, const POINT* pt, INT count )
158 pt16 = (LPPOINT16)HeapAlloc( GetProcessHeap(), 0, sizeof(POINT16)*count );
159 if(!pt16) return FALSE;
160 for (i=count;i--;) CONV_POINT32TO16(&(pt[i]),&(pt16[i]));
161 ret = MFDRV_MetaPoly(dev, META_POLYLINE, pt16, count);
163 HeapFree( GetProcessHeap(), 0, pt16 );
168 /**********************************************************************
172 MFDRV_Polygon( PHYSDEV dev, const POINT* pt, INT count )
178 pt16 = (LPPOINT16) HeapAlloc( GetProcessHeap(), 0, sizeof(POINT16)*count );
179 if(!pt16) return FALSE;
180 for (i=count;i--;) CONV_POINT32TO16(&(pt[i]),&(pt16[i]));
181 ret = MFDRV_MetaPoly(dev, META_POLYGON, pt16, count);
183 HeapFree( GetProcessHeap(), 0, pt16 );
188 /**********************************************************************
192 MFDRV_PolyPolygon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polygons)
196 const POINT* curpt=pt;
199 for (i=0;i<polygons;i++) {
200 pt16=(LPPOINT16)HeapAlloc( GetProcessHeap(), 0,
201 sizeof(POINT16) * counts[i] );
202 if(!pt16) return FALSE;
203 for (j=counts[i];j--;) CONV_POINT32TO16(&(curpt[j]),&(pt16[j]));
204 ret = MFDRV_MetaPoly(dev, META_POLYGON, pt16, counts[i]);
205 HeapFree( GetProcessHeap(), 0, pt16 );
214 /**********************************************************************
218 MFDRV_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT fillType )
220 return MFDRV_MetaParam4(dev,META_FLOODFILL,x,y,HIWORD(color),
225 /******************************************************************
228 * For explanation of the format of the record see MF_Play_MetaCreateRegion in
231 static INT16 MFDRV_CreateRegion(PHYSDEV dev, HRGN hrgn)
236 RECT *pCurRect, *pEndRect;
237 WORD Bands = 0, MaxBands = 0;
238 WORD *Param, *StartBand;
241 len = GetRegionData( hrgn, 0, NULL );
242 if( !(rgndata = HeapAlloc( GetProcessHeap(), 0, len )) ) {
243 WARN("Can't alloc rgndata buffer\n");
246 GetRegionData( hrgn, len, rgndata );
248 /* Overestimate of length:
249 * Assume every rect is a separate band -> 6 WORDs per rect
251 len = sizeof(METARECORD) + 20 + (rgndata->rdh.nCount * 12);
252 if( !(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )) ) {
253 WARN("Can't alloc METARECORD buffer\n");
254 HeapFree( GetProcessHeap(), 0, rgndata );
258 Param = mr->rdParm + 11;
261 pEndRect = (RECT *)rgndata->Buffer + rgndata->rdh.nCount;
262 for(pCurRect = (RECT *)rgndata->Buffer; pCurRect < pEndRect; pCurRect++)
264 if( StartBand && pCurRect->top == *(StartBand + 1) )
266 *Param++ = pCurRect->left;
267 *Param++ = pCurRect->right;
273 *StartBand = Param - StartBand - 3;
274 *Param++ = *StartBand;
275 if(*StartBand > MaxBands)
276 MaxBands = *StartBand;
280 *Param++ = pCurRect->top;
281 *Param++ = pCurRect->bottom;
282 *Param++ = pCurRect->left;
283 *Param++ = pCurRect->right;
286 len = Param - (WORD *)mr;
290 mr->rdParm[2] = 0x1234;
292 mr->rdParm[4] = len * 2;
293 mr->rdParm[5] = Bands;
294 mr->rdParm[6] = MaxBands;
295 mr->rdParm[7] = rgndata->rdh.rcBound.left;
296 mr->rdParm[8] = rgndata->rdh.rcBound.top;
297 mr->rdParm[9] = rgndata->rdh.rcBound.right;
298 mr->rdParm[10] = rgndata->rdh.rcBound.bottom;
299 mr->rdFunction = META_CREATEREGION;
300 mr->rdSize = len / 2;
301 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2 );
302 HeapFree( GetProcessHeap(), 0, mr );
303 HeapFree( GetProcessHeap(), 0, rgndata );
306 WARN("MFDRV_WriteRecord failed\n");
309 return MFDRV_AddHandleDC( dev );
313 /**********************************************************************
317 MFDRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
320 index = MFDRV_CreateRegion( dev, hrgn );
323 return MFDRV_MetaParam1( dev, META_PAINTREGION, index );
327 /**********************************************************************
331 MFDRV_InvertRgn( PHYSDEV dev, HRGN hrgn )
334 index = MFDRV_CreateRegion( dev, hrgn );
337 return MFDRV_MetaParam1( dev, META_INVERTREGION, index );
341 /**********************************************************************
345 MFDRV_FillRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush )
348 iRgn = MFDRV_CreateRegion( dev, hrgn );
351 iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
354 return MFDRV_MetaParam2( dev, META_FILLREGION, iRgn, iBrush );
357 /**********************************************************************
361 MFDRV_FrameRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush, INT x, INT y )
364 iRgn = MFDRV_CreateRegion( dev, hrgn );
367 iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
370 return MFDRV_MetaParam4( dev, META_FRAMEREGION, iRgn, iBrush, x, y );
374 /**********************************************************************
378 MFDRV_SetBkColor( PHYSDEV dev, COLORREF color )
380 return MFDRV_MetaParam2(dev, META_SETBKCOLOR, HIWORD(color),
381 LOWORD(color)) ? color : CLR_INVALID;
385 /**********************************************************************
389 MFDRV_SetTextColor( PHYSDEV dev, COLORREF color )
391 return MFDRV_MetaParam2(dev, META_SETTEXTCOLOR, HIWORD(color),
392 LOWORD(color)) ? color : CLR_INVALID;
396 /**********************************************************************
398 * Since MetaFiles don't record Beziers and they don't even record
399 * approximations to them using lines, we need this stub function.
402 MFDRV_PolyBezier( PHYSDEV dev, const POINT *pts, DWORD count )
407 /**********************************************************************
409 * Since MetaFiles don't record Beziers and they don't even record
410 * approximations to them using lines, we need this stub function.
413 MFDRV_PolyBezierTo( PHYSDEV dev, const POINT *pts, DWORD count )