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;
159 for (i=count;i--;) CONV_POINT32TO16(&(pt[i]),&(pt16[i]));
160 ret = MFDRV_MetaPoly(dev, META_POLYLINE, pt16, count);
162 HeapFree( GetProcessHeap(), 0, pt16 );
167 /**********************************************************************
171 MFDRV_Polygon( PHYSDEV dev, const POINT* pt, INT count )
177 pt16 = (LPPOINT16) HeapAlloc( GetProcessHeap(), 0, sizeof(POINT16)*count );
178 if(!pt16) return FALSE;
179 for (i=count;i--;) CONV_POINT32TO16(&(pt[i]),&(pt16[i]));
180 ret = MFDRV_MetaPoly(dev, META_POLYGON, pt16, count);
182 HeapFree( GetProcessHeap(), 0, pt16 );
187 /**********************************************************************
191 MFDRV_PolyPolygon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polygons)
195 const POINT* curpt=pt;
198 for (i=0;i<polygons;i++) {
199 pt16=(LPPOINT16)HeapAlloc( GetProcessHeap(), 0,
200 sizeof(POINT16) * counts[i] );
201 if(!pt16) return FALSE;
202 for (j=counts[i];j--;) CONV_POINT32TO16(&(curpt[j]),&(pt16[j]));
203 ret = MFDRV_MetaPoly(dev, META_POLYGON, pt16, counts[i]);
204 HeapFree( GetProcessHeap(), 0, pt16 );
213 /**********************************************************************
217 MFDRV_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT fillType )
219 return MFDRV_MetaParam4(dev,META_FLOODFILL,x,y,HIWORD(color),
224 /******************************************************************
227 * For explanation of the format of the record see MF_Play_MetaCreateRegion in
230 static INT16 MFDRV_CreateRegion(PHYSDEV dev, HRGN hrgn)
235 RECT *pCurRect, *pEndRect;
236 WORD Bands = 0, MaxBands = 0;
237 WORD *Param, *StartBand;
240 if (!(len = GetRegionData( hrgn, 0, NULL ))) return -1;
241 if( !(rgndata = HeapAlloc( GetProcessHeap(), 0, len )) ) {
242 WARN("Can't alloc rgndata buffer\n");
245 GetRegionData( hrgn, len, rgndata );
247 /* Overestimate of length:
248 * Assume every rect is a separate band -> 6 WORDs per rect
250 len = sizeof(METARECORD) + 20 + (rgndata->rdh.nCount * 12);
251 if( !(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )) ) {
252 WARN("Can't alloc METARECORD buffer\n");
253 HeapFree( GetProcessHeap(), 0, rgndata );
257 Param = mr->rdParm + 11;
260 pEndRect = (RECT *)rgndata->Buffer + rgndata->rdh.nCount;
261 for(pCurRect = (RECT *)rgndata->Buffer; pCurRect < pEndRect; pCurRect++)
263 if( StartBand && pCurRect->top == *(StartBand + 1) )
265 *Param++ = pCurRect->left;
266 *Param++ = pCurRect->right;
272 *StartBand = Param - StartBand - 3;
273 *Param++ = *StartBand;
274 if(*StartBand > MaxBands)
275 MaxBands = *StartBand;
279 *Param++ = pCurRect->top;
280 *Param++ = pCurRect->bottom;
281 *Param++ = pCurRect->left;
282 *Param++ = pCurRect->right;
285 len = Param - (WORD *)mr;
289 mr->rdParm[2] = 0x1234;
291 mr->rdParm[4] = len * 2;
292 mr->rdParm[5] = Bands;
293 mr->rdParm[6] = MaxBands;
294 mr->rdParm[7] = rgndata->rdh.rcBound.left;
295 mr->rdParm[8] = rgndata->rdh.rcBound.top;
296 mr->rdParm[9] = rgndata->rdh.rcBound.right;
297 mr->rdParm[10] = rgndata->rdh.rcBound.bottom;
298 mr->rdFunction = META_CREATEREGION;
299 mr->rdSize = len / 2;
300 ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2 );
301 HeapFree( GetProcessHeap(), 0, mr );
302 HeapFree( GetProcessHeap(), 0, rgndata );
305 WARN("MFDRV_WriteRecord failed\n");
308 return MFDRV_AddHandleDC( dev );
312 /**********************************************************************
316 MFDRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
319 index = MFDRV_CreateRegion( dev, hrgn );
322 return MFDRV_MetaParam1( dev, META_PAINTREGION, index );
326 /**********************************************************************
330 MFDRV_InvertRgn( PHYSDEV dev, HRGN hrgn )
333 index = MFDRV_CreateRegion( dev, hrgn );
336 return MFDRV_MetaParam1( dev, META_INVERTREGION, index );
340 /**********************************************************************
344 MFDRV_FillRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush )
347 iRgn = MFDRV_CreateRegion( dev, hrgn );
350 iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
353 return MFDRV_MetaParam2( dev, META_FILLREGION, iRgn, iBrush );
356 /**********************************************************************
360 MFDRV_FrameRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush, INT x, INT y )
363 iRgn = MFDRV_CreateRegion( dev, hrgn );
366 iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
369 return MFDRV_MetaParam4( dev, META_FRAMEREGION, iRgn, iBrush, x, y );
373 /**********************************************************************
374 * MFDRV_ExtSelectClipRgn
376 INT MFDRV_ExtSelectClipRgn( PHYSDEV dev, HRGN hrgn, INT mode )
381 if (mode != RGN_COPY) return ERROR;
382 if (!hrgn) return NULLREGION;
383 iRgn = MFDRV_CreateRegion( dev, hrgn );
384 if(iRgn == -1) return ERROR;
385 ret = MFDRV_MetaParam1( dev, META_SELECTCLIPREGION, iRgn ) ? NULLREGION : ERROR;
386 MFDRV_MetaParam1( dev, META_DELETEOBJECT, iRgn );
391 /**********************************************************************
395 MFDRV_SetBkColor( PHYSDEV dev, COLORREF color )
397 return MFDRV_MetaParam2(dev, META_SETBKCOLOR, HIWORD(color),
398 LOWORD(color)) ? color : CLR_INVALID;
402 /**********************************************************************
406 MFDRV_SetTextColor( PHYSDEV dev, COLORREF color )
408 return MFDRV_MetaParam2(dev, META_SETTEXTCOLOR, HIWORD(color),
409 LOWORD(color)) ? color : CLR_INVALID;
413 /**********************************************************************
415 * Since MetaFiles don't record Beziers and they don't even record
416 * approximations to them using lines, we need this stub function.
419 MFDRV_PolyBezier( PHYSDEV dev, const POINT *pts, DWORD count )
424 /**********************************************************************
426 * Since MetaFiles don't record Beziers and they don't even record
427 * approximations to them using lines, we need this stub function.
430 MFDRV_PolyBezierTo( PHYSDEV dev, const POINT *pts, DWORD count )