2 * PostScript driver graphics functions
4 * Copyright 1998 Huw D M Davies
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
26 #if defined(HAVE_FLOAT_H)
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
37 /***********************************************************************
40 * Performs a world-to-viewport transformation on the specified width.
42 INT PSDRV_XWStoDS( PHYSDEV dev, INT width )
50 LPtoDP( dev->hdc, pt, 2 );
51 return pt[1].x - pt[0].x;
54 /***********************************************************************
57 static void PSDRV_DrawLine( PHYSDEV dev )
59 PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
61 if(physDev->pathdepth)
64 if (physDev->pen.style == PS_NULL)
65 PSDRV_WriteNewPath(dev);
67 PSDRV_WriteStroke(dev);
70 /***********************************************************************
73 BOOL PSDRV_LineTo(PHYSDEV dev, INT x, INT y)
77 TRACE("%d %d\n", x, y);
79 GetCurrentPositionEx( dev->hdc, pt );
82 LPtoDP( dev->hdc, pt, 2 );
87 PSDRV_WriteMoveTo(dev, pt[0].x, pt[0].y );
88 PSDRV_WriteLineTo(dev, pt[1].x, pt[1].y );
96 /***********************************************************************
99 BOOL PSDRV_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
101 PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
104 TRACE("%d %d - %d %d\n", left, top, right, bottom);
109 rect.bottom = bottom;
110 LPtoDP( dev->hdc, (POINT *)&rect, 2 );
112 /* Windows does something truly hacky here. If we're in passthrough mode
113 and our rop is R2_NOP, then we output the string below. This is used in
114 Office 2k when inserting eps files */
115 if(physDev->job.in_passthrough && !physDev->job.had_passthrough_rect && GetROP2(dev->hdc) == R2_NOP) {
117 sprintf(buf, "N %d %d %d %d B\n", rect.right - rect.left, rect.bottom - rect.top, rect.left, rect.top);
118 write_spool(dev, buf, strlen(buf));
119 physDev->job.had_passthrough_rect = TRUE;
126 PSDRV_WriteRectangle(dev, rect.left, rect.top, rect.right - rect.left,
127 rect.bottom - rect.top );
130 PSDRV_ResetClip(dev);
135 /***********************************************************************
138 BOOL PSDRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
139 INT bottom, INT ell_width, INT ell_height )
145 rect[0].right = right;
146 rect[0].bottom = bottom;
149 rect[1].right = ell_width;
150 rect[1].bottom = ell_height;
151 LPtoDP( dev->hdc, (POINT *)rect, 4 );
155 right = rect[0].right;
156 bottom = rect[0].bottom;
157 if (left > right) { INT tmp = left; left = right; right = tmp; }
158 if (top > bottom) { INT tmp = top; top = bottom; bottom = tmp; }
160 ell_width = rect[1].right - rect[1].left;
161 ell_height = rect[1].bottom - rect[1].top;
162 if (ell_width > right - left) ell_width = right - left;
163 if (ell_height > bottom - top) ell_height = bottom - top;
165 PSDRV_WriteSpool(dev, "%RoundRect\n",11);
169 PSDRV_WriteMoveTo( dev, left, top + ell_height/2 );
170 PSDRV_WriteArc( dev, left + ell_width/2, top + ell_height/2, ell_width,
171 ell_height, 90.0, 180.0);
172 PSDRV_WriteLineTo( dev, right - ell_width/2, top );
173 PSDRV_WriteArc( dev, right - ell_width/2, top + ell_height/2, ell_width,
174 ell_height, 0.0, 90.0);
175 PSDRV_WriteLineTo( dev, right, bottom - ell_height/2 );
176 PSDRV_WriteArc( dev, right - ell_width/2, bottom - ell_height/2, ell_width,
177 ell_height, -90.0, 0.0);
178 PSDRV_WriteLineTo( dev, right - ell_width/2, bottom);
179 PSDRV_WriteArc( dev, left + ell_width/2, bottom - ell_height/2, ell_width,
180 ell_height, 180.0, -90.0);
181 PSDRV_WriteClosePath( dev );
185 PSDRV_ResetClip(dev);
189 /***********************************************************************
192 * Does the work of Arc, Chord and Pie. lines is 0, 1 or 2 respectively.
194 static BOOL PSDRV_DrawArc( PHYSDEV dev, INT left, INT top,
195 INT right, INT bottom, INT xstart, INT ystart,
196 INT xend, INT yend, int lines )
199 double start_angle, end_angle, ratio;
206 rect.bottom = bottom;
207 LPtoDP( dev->hdc, (POINT *)&rect, 2 );
212 LPtoDP( dev->hdc, &start, 1 );
213 LPtoDP( dev->hdc, &end, 1 );
215 x = (rect.left + rect.right) / 2;
216 y = (rect.top + rect.bottom) / 2;
217 w = rect.right - rect.left;
218 h = rect.bottom - rect.top;
222 ratio = ((double)w)/h;
224 /* angle is the angle after the rectangle is transformed to a square and is
225 measured anticlockwise from the +ve x-axis */
227 start_angle = atan2((double)(y - start.y) * ratio, (double)(start.x - x));
228 end_angle = atan2((double)(y - end.y) * ratio, (double)(end.x - x));
230 start_angle *= 180.0 / PI;
231 end_angle *= 180.0 / PI;
233 PSDRV_WriteSpool(dev,"%DrawArc\n", 9);
237 if(lines == 2) /* pie */
238 PSDRV_WriteMoveTo(dev, x, y);
240 PSDRV_WriteNewPath( dev );
242 PSDRV_WriteArc(dev, x, y, w, h, start_angle, end_angle);
243 if(lines == 1 || lines == 2) { /* chord or pie */
244 PSDRV_WriteClosePath(dev);
248 PSDRV_ResetClip(dev);
254 /***********************************************************************
257 BOOL PSDRV_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
258 INT xstart, INT ystart, INT xend, INT yend )
260 return PSDRV_DrawArc( dev, left, top, right, bottom, xstart, ystart, xend, yend, 0 );
263 /***********************************************************************
266 BOOL PSDRV_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
267 INT xstart, INT ystart, INT xend, INT yend )
269 return PSDRV_DrawArc( dev, left, top, right, bottom, xstart, ystart, xend, yend, 1 );
273 /***********************************************************************
276 BOOL PSDRV_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
277 INT xstart, INT ystart, INT xend, INT yend )
279 return PSDRV_DrawArc( dev, left, top, right, bottom, xstart, ystart, xend, yend, 2 );
283 /***********************************************************************
286 BOOL PSDRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom)
291 TRACE("%d %d - %d %d\n", left, top, right, bottom);
296 rect.bottom = bottom;
297 LPtoDP( dev->hdc, (POINT *)&rect, 2 );
299 x = (rect.left + rect.right) / 2;
300 y = (rect.top + rect.bottom) / 2;
301 w = rect.right - rect.left;
302 h = rect.bottom - rect.top;
304 PSDRV_WriteSpool(dev, "%Ellipse\n", 9);
308 PSDRV_WriteNewPath(dev);
309 PSDRV_WriteArc(dev, x, y, w, h, 0.0, 360.0);
310 PSDRV_WriteClosePath(dev);
313 PSDRV_ResetClip(dev);
318 /***********************************************************************
321 BOOL PSDRV_PolyPolyline( PHYSDEV dev, const POINT* pts, const DWORD* counts, DWORD polylines )
323 DWORD polyline, line, total;
328 for (polyline = total = 0; polyline < polylines; polyline++) total += counts[polyline];
329 if (!(dev_pts = HeapAlloc( GetProcessHeap(), 0, total * sizeof(*dev_pts) ))) return FALSE;
330 memcpy( dev_pts, pts, total * sizeof(*dev_pts) );
331 LPtoDP( dev->hdc, dev_pts, total );
335 PSDRV_WriteSpool(dev, "%PolyPolyline\n",14);
339 for(polyline = 0; polyline < polylines; polyline++) {
340 PSDRV_WriteMoveTo(dev, pt->x, pt->y);
342 for(line = 1; line < counts[polyline]; line++, pt++)
343 PSDRV_WriteLineTo(dev, pt->x, pt->y);
345 HeapFree( GetProcessHeap(), 0, dev_pts );
348 PSDRV_ResetClip(dev);
353 /***********************************************************************
356 BOOL PSDRV_PolyPolygon( PHYSDEV dev, const POINT* pts, const INT* counts, UINT polygons )
358 DWORD polygon, total;
364 for (polygon = total = 0; polygon < polygons; polygon++) total += counts[polygon];
365 if (!(dev_pts = HeapAlloc( GetProcessHeap(), 0, total * sizeof(*dev_pts) ))) return FALSE;
366 memcpy( dev_pts, pts, total * sizeof(*dev_pts) );
367 LPtoDP( dev->hdc, dev_pts, total );
371 PSDRV_WriteSpool(dev, "%PolyPolygon\n",13);
375 for(polygon = 0; polygon < polygons; polygon++) {
376 PSDRV_WriteMoveTo(dev, pt->x, pt->y);
378 for(line = 1; line < counts[polygon]; line++, pt++)
379 PSDRV_WriteLineTo(dev, pt->x, pt->y);
380 PSDRV_WriteClosePath(dev);
382 HeapFree( GetProcessHeap(), 0, dev_pts );
384 if(GetPolyFillMode( dev->hdc ) == ALTERNATE)
390 PSDRV_ResetClip(dev);
395 /***********************************************************************
398 BOOL PSDRV_PolyBezier( PHYSDEV dev, const POINT *pts, DWORD count )
405 if (!(dev_pts = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*dev_pts) ))) return FALSE;
406 memcpy( dev_pts, pts, count * sizeof(*dev_pts) );
407 LPtoDP( dev->hdc, dev_pts, count );
409 PSDRV_WriteSpool(dev, "%PolyBezier\n",12);
412 PSDRV_WriteMoveTo(dev, dev_pts[0].x, dev_pts[0].y );
413 for (i = 1; i < count; i += 3) PSDRV_WriteCurveTo( dev, dev_pts + i );
415 PSDRV_ResetClip(dev);
416 HeapFree( GetProcessHeap(), 0, dev_pts );
421 /***********************************************************************
424 BOOL PSDRV_PolyBezierTo( PHYSDEV dev, const POINT *pts, DWORD count )
431 count++; /* add initial position */
432 if (!(dev_pts = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*dev_pts) ))) return FALSE;
433 GetCurrentPositionEx( dev->hdc, dev_pts );
434 memcpy( dev_pts + 1, pts, (count - 1) * sizeof(*dev_pts) );
435 LPtoDP( dev->hdc, dev_pts, count );
437 PSDRV_WriteSpool(dev, "%PolyBezier\n",12);
440 PSDRV_WriteMoveTo(dev, dev_pts[0].x, dev_pts[0].y );
441 for (i = 1; i < count; i += 3) PSDRV_WriteCurveTo( dev, dev_pts + i );
443 PSDRV_ResetClip(dev);
444 HeapFree( GetProcessHeap(), 0, dev_pts );
449 /***********************************************************************
452 COLORREF PSDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
459 LPtoDP( dev->hdc, &pt, 1 );
462 /* we bracket the setcolor in gsave/grestore so that we don't trash
463 the current pen colour */
464 PSDRV_WriteGSave(dev);
465 PSDRV_WriteRectangle( dev, pt.x, pt.y, 0, 0 );
466 PSDRV_CreateColor( dev, &pscolor, color );
467 PSDRV_WriteSetColor( dev, &pscolor );
468 PSDRV_WriteFill( dev );
469 PSDRV_WriteGRestore(dev);
470 PSDRV_ResetClip(dev);
474 /***********************************************************************
477 BOOL PSDRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
479 RGNDATA *rgndata = NULL;
483 TRACE("hdc=%p\n", dev->hdc);
485 size = GetRegionData(hrgn, 0, NULL);
486 rgndata = HeapAlloc( GetProcessHeap(), 0, size );
488 ERR("Can't allocate buffer\n");
492 GetRegionData(hrgn, size, rgndata);
493 if (rgndata->rdh.nCount == 0)
496 LPtoDP(dev->hdc, (POINT*)rgndata->Buffer, rgndata->rdh.nCount * 2);
499 for(i = 0, pRect = (RECT*)rgndata->Buffer; i < rgndata->rdh.nCount; i++, pRect++)
500 PSDRV_WriteRectangle(dev, pRect->left, pRect->top, pRect->right - pRect->left, pRect->bottom - pRect->top);
503 PSDRV_WriteNewPath(dev);
504 PSDRV_ResetClip(dev);
507 HeapFree(GetProcessHeap(), 0, rgndata);
511 static BOOL paint_path( PHYSDEV dev, BOOL stroke, BOOL fill )
516 int i, size = GetPath( dev->hdc, NULL, NULL, 0 );
518 if (size == -1) return FALSE;
519 if (!size) return TRUE;
520 points = HeapAlloc( GetProcessHeap(), 0, size * sizeof(*points) );
521 types = HeapAlloc( GetProcessHeap(), 0, size * sizeof(*types) );
522 if (!points || !types) goto done;
523 if (GetPath( dev->hdc, points, types, size ) == -1) goto done;
524 LPtoDP( dev->hdc, points, size );
526 if (stroke) PSDRV_SetPen(dev);
528 for (i = 0; i < size; i++)
533 PSDRV_WriteMoveTo( dev, points[i].x, points[i].y );
536 case PT_LINETO | PT_CLOSEFIGURE:
537 PSDRV_WriteLineTo( dev, points[i].x, points[i].y );
538 if (types[i] & PT_CLOSEFIGURE) PSDRV_WriteClosePath( dev );
541 case PT_BEZIERTO | PT_CLOSEFIGURE:
542 PSDRV_WriteCurveTo( dev, points + i );
543 if (types[i] & PT_CLOSEFIGURE) PSDRV_WriteClosePath( dev );
548 if (fill) PSDRV_Brush( dev, GetPolyFillMode(dev->hdc) == ALTERNATE );
549 if (stroke) PSDRV_DrawLine(dev);
550 else PSDRV_WriteNewPath(dev);
551 PSDRV_ResetClip(dev);
554 HeapFree( GetProcessHeap(), 0, points );
555 HeapFree( GetProcessHeap(), 0, types );
559 /***********************************************************************
562 BOOL PSDRV_FillPath( PHYSDEV dev )
564 return paint_path( dev, FALSE, TRUE );
567 /***********************************************************************
568 * PSDRV_StrokeAndFillPath
570 BOOL PSDRV_StrokeAndFillPath( PHYSDEV dev )
572 return paint_path( dev, TRUE, TRUE );
575 /***********************************************************************
578 BOOL PSDRV_StrokePath( PHYSDEV dev )
580 return paint_path( dev, TRUE, FALSE );