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_Polyline( PHYSDEV dev, const POINT* pt, INT count )
358 return PSDRV_PolyPolyline( dev, pt, (LPDWORD) &count, 1 );
362 /***********************************************************************
365 BOOL PSDRV_PolyPolygon( PHYSDEV dev, const POINT* pts, const INT* counts, UINT polygons )
367 DWORD polygon, total;
373 for (polygon = total = 0; polygon < polygons; polygon++) total += counts[polygon];
374 if (!(dev_pts = HeapAlloc( GetProcessHeap(), 0, total * sizeof(*dev_pts) ))) return FALSE;
375 memcpy( dev_pts, pts, total * sizeof(*dev_pts) );
376 LPtoDP( dev->hdc, dev_pts, total );
380 PSDRV_WriteSpool(dev, "%PolyPolygon\n",13);
383 PSDRV_WriteNewPath(dev);
385 for(polygon = 0; polygon < polygons; polygon++) {
386 PSDRV_WriteMoveTo(dev, pt->x, pt->y);
388 for(line = 1; line < counts[polygon]; line++, pt++)
389 PSDRV_WriteLineTo(dev, pt->x, pt->y);
390 PSDRV_WriteClosePath(dev);
392 HeapFree( GetProcessHeap(), 0, dev_pts );
394 if(GetPolyFillMode( dev->hdc ) == ALTERNATE)
400 PSDRV_ResetClip(dev);
405 /***********************************************************************
408 BOOL PSDRV_Polygon( PHYSDEV dev, const POINT* pt, INT count )
410 return PSDRV_PolyPolygon( dev, pt, &count, 1 );
414 /***********************************************************************
417 COLORREF PSDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
424 LPtoDP( dev->hdc, &pt, 1 );
427 /* we bracket the setcolor in gsave/grestore so that we don't trash
428 the current pen colour */
429 PSDRV_WriteGSave(dev);
430 PSDRV_WriteRectangle( dev, pt.x, pt.y, 0, 0 );
431 PSDRV_CreateColor( dev, &pscolor, color );
432 PSDRV_WriteSetColor( dev, &pscolor );
433 PSDRV_WriteFill( dev );
434 PSDRV_WriteGRestore(dev);
435 PSDRV_ResetClip(dev);
439 /***********************************************************************
442 BOOL PSDRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
444 RGNDATA *rgndata = NULL;
448 TRACE("hdc=%p\n", dev->hdc);
450 size = GetRegionData(hrgn, 0, NULL);
451 rgndata = HeapAlloc( GetProcessHeap(), 0, size );
453 ERR("Can't allocate buffer\n");
457 GetRegionData(hrgn, size, rgndata);
458 if (rgndata->rdh.nCount == 0)
461 LPtoDP(dev->hdc, (POINT*)rgndata->Buffer, rgndata->rdh.nCount * 2);
464 PSDRV_WriteNewPath(dev);
465 for(i = 0, pRect = (RECT*)rgndata->Buffer; i < rgndata->rdh.nCount; i++, pRect++)
466 PSDRV_WriteRectangle(dev, pRect->left, pRect->top, pRect->right - pRect->left, pRect->bottom - pRect->top);
469 PSDRV_ResetClip(dev);
472 HeapFree(GetProcessHeap(), 0, rgndata);