2 * X11 graphics driver graphics functions
4 * Copyright 1993,1994 Alexandre Julliard
14 #include <X11/Intrinsic.h>
37 /**********************************************************************
41 X11DRV_MoveToEx(DC *dc,INT32 x,INT32 y,LPPOINT32 pt) {
44 pt->x = dc->w.CursPosX;
45 pt->y = dc->w.CursPosY;
52 /***********************************************************************
56 X11DRV_LineTo( DC *dc, INT32 x, INT32 y )
58 if (DC_SetupGCForPen( dc ))
59 TSXDrawLine(display, dc->u.x.drawable, dc->u.x.gc,
60 dc->w.DCOrgX + XLPTODP( dc, dc->w.CursPosX ),
61 dc->w.DCOrgY + YLPTODP( dc, dc->w.CursPosY ),
62 dc->w.DCOrgX + XLPTODP( dc, x ),
63 dc->w.DCOrgY + YLPTODP( dc, y ) );
71 /***********************************************************************
74 * Helper functions for Arc(), Chord() and Pie().
75 * 'lines' is the number of lines to draw: 0 for Arc, 1 for Chord, 2 for Pie.
78 X11DRV_DrawArc( DC *dc, INT32 left, INT32 top, INT32 right,
79 INT32 bottom, INT32 xstart, INT32 ystart,
80 INT32 xend, INT32 yend, INT32 lines )
82 INT32 xcenter, ycenter, istart_angle, idiff_angle, tmp;
83 double start_angle, end_angle;
86 left = XLPTODP( dc, left );
87 top = YLPTODP( dc, top );
88 right = XLPTODP( dc, right );
89 bottom = YLPTODP( dc, bottom );
90 xstart = XLPTODP( dc, xstart );
91 ystart = YLPTODP( dc, ystart );
92 xend = XLPTODP( dc, xend );
93 yend = YLPTODP( dc, yend );
94 if ((left == right) || (top == bottom)) return FALSE;
96 xcenter = (right + left) / 2;
97 ycenter = (bottom + top) / 2;
98 start_angle = atan2( (double)(ycenter-ystart)*(right-left),
99 (double)(xstart-xcenter)*(bottom-top) );
100 end_angle = atan2( (double)(ycenter-yend)*(right-left),
101 (double)(xend-xcenter)*(bottom-top) );
102 istart_angle = (INT32)(start_angle * 180 * 64 / PI);
103 idiff_angle = (INT32)((end_angle - start_angle) * 180 * 64 / PI );
104 if (idiff_angle <= 0) idiff_angle += 360 * 64;
105 if (left > right) { tmp=left; left=right; right=tmp; }
106 if (top > bottom) { tmp=top; top=bottom; bottom=tmp; }
108 /* Fill arc with brush if Chord() or Pie() */
110 if ((lines > 0) && DC_SetupGCForBrush( dc ))
112 TSXSetArcMode( display, dc->u.x.gc, (lines==1) ? ArcChord : ArcPieSlice);
113 TSXFillArc( display, dc->u.x.drawable, dc->u.x.gc,
114 dc->w.DCOrgX + left, dc->w.DCOrgY + top,
115 right-left-1, bottom-top-1, istart_angle, idiff_angle );
118 /* Draw arc and lines */
120 if (!DC_SetupGCForPen( dc )) return TRUE;
121 TSXDrawArc( display, dc->u.x.drawable, dc->u.x.gc,
122 dc->w.DCOrgX + left, dc->w.DCOrgY + top,
123 right-left-1, bottom-top-1, istart_angle, idiff_angle );
124 if (!lines) return TRUE;
126 points[0].x = dc->w.DCOrgX + xcenter + (int)(cos(start_angle) * (right-left) / 2);
127 points[0].y = dc->w.DCOrgY + ycenter - (int)(sin(start_angle) * (bottom-top) / 2);
128 points[1].x = dc->w.DCOrgX + xcenter + (int)(cos(end_angle) * (right-left) / 2);
129 points[1].y = dc->w.DCOrgY + ycenter - (int)(sin(end_angle) * (bottom-top) / 2);
132 points[2] = points[1];
133 points[1].x = dc->w.DCOrgX + xcenter;
134 points[1].y = dc->w.DCOrgY + ycenter;
136 TSXDrawLines( display, dc->u.x.drawable, dc->u.x.gc,
137 points, lines+1, CoordModeOrigin );
142 /***********************************************************************
146 X11DRV_Arc( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom,
147 INT32 xstart, INT32 ystart, INT32 xend, INT32 yend )
149 return X11DRV_DrawArc( dc, left, top, right, bottom,
150 xstart, ystart, xend, yend, 0 );
154 /***********************************************************************
158 X11DRV_Pie( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom,
159 INT32 xstart, INT32 ystart, INT32 xend, INT32 yend )
161 return X11DRV_DrawArc( dc, left, top, right, bottom,
162 xstart, ystart, xend, yend, 2 );
165 /***********************************************************************
169 X11DRV_Chord( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom,
170 INT32 xstart, INT32 ystart, INT32 xend, INT32 yend )
172 return X11DRV_DrawArc( dc, left, top, right, bottom,
173 xstart, ystart, xend, yend, 1 );
177 /***********************************************************************
181 X11DRV_Ellipse( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom )
183 left = XLPTODP( dc, left );
184 top = YLPTODP( dc, top );
185 right = XLPTODP( dc, right );
186 bottom = YLPTODP( dc, bottom );
187 if ((left == right) || (top == bottom)) return FALSE;
189 if (right < left) { INT32 tmp = right; right = left; left = tmp; }
190 if (bottom < top) { INT32 tmp = bottom; bottom = top; top = tmp; }
192 if ((dc->u.x.pen.style == PS_INSIDEFRAME) &&
193 (dc->u.x.pen.width < right-left-1) &&
194 (dc->u.x.pen.width < bottom-top-1))
196 left += dc->u.x.pen.width / 2;
197 right -= (dc->u.x.pen.width + 1) / 2;
198 top += dc->u.x.pen.width / 2;
199 bottom -= (dc->u.x.pen.width + 1) / 2;
202 if (DC_SetupGCForBrush( dc ))
203 TSXFillArc( display, dc->u.x.drawable, dc->u.x.gc,
204 dc->w.DCOrgX + left, dc->w.DCOrgY + top,
205 right-left-1, bottom-top-1, 0, 360*64 );
206 if (DC_SetupGCForPen( dc ))
207 TSXDrawArc( display, dc->u.x.drawable, dc->u.x.gc,
208 dc->w.DCOrgX + left, dc->w.DCOrgY + top,
209 right-left-1, bottom-top-1, 0, 360*64 );
214 /***********************************************************************
218 X11DRV_Rectangle(DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom)
221 left = XLPTODP( dc, left );
222 top = YLPTODP( dc, top );
223 right = XLPTODP( dc, right );
224 bottom = YLPTODP( dc, bottom );
226 if (right < left) { INT32 tmp = right; right = left; left = tmp; }
227 if (bottom < top) { INT32 tmp = bottom; bottom = top; top = tmp; }
229 if ((left == right) || (top == bottom))
231 if (DC_SetupGCForPen( dc ))
232 TSXDrawLine(display, dc->u.x.drawable, dc->u.x.gc,
235 dc->w.DCOrgX + right,
236 dc->w.DCOrgY + bottom);
239 width = dc->u.x.pen.width;
240 if (!width) width = 1;
241 if(dc->u.x.pen.style == PS_NULL) width = 0;
243 if ((dc->u.x.pen.style == PS_INSIDEFRAME) &&
244 (width < right-left) && (width < bottom-top))
247 right -= (width + 1) / 2;
249 bottom -= (width + 1) / 2;
252 if ((right > left + width) && (bottom > top + width))
254 if (DC_SetupGCForBrush( dc ))
255 TSXFillRectangle( display, dc->u.x.drawable, dc->u.x.gc,
256 dc->w.DCOrgX + left + (width + 1) / 2,
257 dc->w.DCOrgY + top + (width + 1) / 2,
258 right-left-width-1, bottom-top-width-1);
260 if (DC_SetupGCForPen( dc ))
261 TSXDrawRectangle( display, dc->u.x.drawable, dc->u.x.gc,
262 dc->w.DCOrgX + left, dc->w.DCOrgY + top,
263 right-left-1, bottom-top-1 );
267 /***********************************************************************
271 X11DRV_RoundRect( DC *dc, INT32 left, INT32 top, INT32 right,
272 INT32 bottom, INT32 ell_width, INT32 ell_height )
274 dprintf_graphics(stddeb, "X11DRV_RoundRect(%d %d %d %d %d %d\n",
275 left, top, right, bottom, ell_width, ell_height);
277 left = XLPTODP( dc, left );
278 top = YLPTODP( dc, top );
279 right = XLPTODP( dc, right );
280 bottom = YLPTODP( dc, bottom );
281 ell_width = abs( ell_width * dc->vportExtX / dc->wndExtX );
282 ell_height = abs( ell_height * dc->vportExtY / dc->wndExtY );
284 /* Fix the coordinates */
286 if (right < left) { INT32 tmp = right; right = left; left = tmp; }
287 if (bottom < top) { INT32 tmp = bottom; bottom = top; top = tmp; }
288 if (ell_width > right - left) ell_width = right - left;
289 if (ell_height > bottom - top) ell_height = bottom - top;
291 if (DC_SetupGCForBrush( dc ))
293 if (ell_width && ell_height)
295 TSXFillArc( display, dc->u.x.drawable, dc->u.x.gc,
296 dc->w.DCOrgX + left, dc->w.DCOrgY + top,
297 ell_width, ell_height, 90 * 64, 90 * 64 );
298 TSXFillArc( display, dc->u.x.drawable, dc->u.x.gc,
299 dc->w.DCOrgX + left, dc->w.DCOrgY + bottom - ell_height,
300 ell_width, ell_height, 180 * 64, 90 * 64 );
301 TSXFillArc( display, dc->u.x.drawable, dc->u.x.gc,
302 dc->w.DCOrgX + right - ell_width,
303 dc->w.DCOrgY + bottom - ell_height,
304 ell_width, ell_height, 270 * 64, 90 * 64 );
305 TSXFillArc( display, dc->u.x.drawable, dc->u.x.gc,
306 dc->w.DCOrgX + right - ell_width, dc->w.DCOrgY + top,
307 ell_width, ell_height, 0, 90 * 64 );
309 if (ell_width < right - left)
311 TSXFillRectangle( display, dc->u.x.drawable, dc->u.x.gc,
312 dc->w.DCOrgX + left + ell_width / 2,
314 right - left - ell_width, ell_height / 2 );
315 TSXFillRectangle( display, dc->u.x.drawable, dc->u.x.gc,
316 dc->w.DCOrgX + left + ell_width / 2,
317 dc->w.DCOrgY + bottom - (ell_height+1) / 2,
318 right - left - ell_width, (ell_height+1) / 2 );
320 if (ell_height < bottom - top)
322 TSXFillRectangle( display, dc->u.x.drawable, dc->u.x.gc,
324 dc->w.DCOrgY + top + ell_height / 2,
325 right - left, bottom - top - ell_height );
328 if (DC_SetupGCForPen(dc))
330 if (ell_width && ell_height)
332 TSXDrawArc( display, dc->u.x.drawable, dc->u.x.gc,
333 dc->w.DCOrgX + left, dc->w.DCOrgY + top,
334 ell_width, ell_height, 90 * 64, 90 * 64 );
335 TSXDrawArc( display, dc->u.x.drawable, dc->u.x.gc,
336 dc->w.DCOrgX + left, dc->w.DCOrgY + bottom - ell_height,
337 ell_width, ell_height, 180 * 64, 90 * 64 );
338 TSXDrawArc( display, dc->u.x.drawable, dc->u.x.gc,
339 dc->w.DCOrgX + right - ell_width,
340 dc->w.DCOrgY + bottom - ell_height,
341 ell_width, ell_height, 270 * 64, 90 * 64 );
342 TSXDrawArc( display, dc->u.x.drawable, dc->u.x.gc,
343 dc->w.DCOrgX + right - ell_width, dc->w.DCOrgY + top,
344 ell_width, ell_height, 0, 90 * 64 );
346 if (ell_width < right - left)
348 TSXDrawLine( display, dc->u.x.drawable, dc->u.x.gc,
349 dc->w.DCOrgX + left + ell_width / 2,
351 dc->w.DCOrgX + right - ell_width / 2,
352 dc->w.DCOrgY + top );
353 TSXDrawLine( display, dc->u.x.drawable, dc->u.x.gc,
354 dc->w.DCOrgX + left + ell_width / 2,
355 dc->w.DCOrgY + bottom,
356 dc->w.DCOrgX + right - ell_width / 2,
357 dc->w.DCOrgY + bottom );
359 if (ell_height < bottom - top)
361 TSXDrawLine( display, dc->u.x.drawable, dc->u.x.gc,
362 dc->w.DCOrgX + right,
363 dc->w.DCOrgY + top + ell_height / 2,
364 dc->w.DCOrgX + right,
365 dc->w.DCOrgY + bottom - ell_height / 2 );
366 TSXDrawLine( display, dc->u.x.drawable, dc->u.x.gc,
368 dc->w.DCOrgY + top + ell_height / 2,
370 dc->w.DCOrgY + bottom - ell_height / 2 );
377 /***********************************************************************
381 X11DRV_SetPixel( DC *dc, INT32 x, INT32 y, COLORREF color )
385 x = dc->w.DCOrgX + XLPTODP( dc, x );
386 y = dc->w.DCOrgY + YLPTODP( dc, y );
387 pixel = COLOR_ToPhysical( dc, color );
389 TSXSetForeground( display, dc->u.x.gc, pixel );
390 TSXSetFunction( display, dc->u.x.gc, GXcopy );
391 TSXDrawPoint( display, dc->u.x.drawable, dc->u.x.gc, x, y );
393 /* inefficient but simple... */
395 return COLOR_ToLogical(pixel);
399 /***********************************************************************
403 X11DRV_GetPixel( DC *dc, INT32 x, INT32 y )
405 static Pixmap pixmap = 0;
409 x = dc->w.DCOrgX + XLPTODP( dc, x );
410 y = dc->w.DCOrgY + YLPTODP( dc, y );
411 EnterCriticalSection( &X11DRV_CritSection );
412 if (dc->w.flags & DC_MEMORY)
414 image = XGetImage( display, dc->u.x.drawable, x, y, 1, 1,
415 AllPlanes, ZPixmap );
419 /* If we are reading from the screen, use a temporary copy */
420 /* to avoid a BadMatch error */
421 if (!pixmap) pixmap = XCreatePixmap( display, rootWindow,
422 1, 1, dc->w.bitsPerPixel );
423 XCopyArea( display, dc->u.x.drawable, pixmap, BITMAP_colorGC,
425 image = XGetImage( display, pixmap, 0, 0, 1, 1, AllPlanes, ZPixmap );
427 pixel = XGetPixel( image, 0, 0 );
428 XDestroyImage( image );
429 LeaveCriticalSection( &X11DRV_CritSection );
431 return COLOR_ToLogical(pixel);
435 /***********************************************************************
439 X11DRV_PaintRgn( DC *dc, HRGN32 hrgn )
442 HRGN32 tmpVisRgn, prevVisRgn;
443 HDC32 hdc = dc->hSelf; /* FIXME: should not mix dc/hdc this way */
445 if (!(tmpVisRgn = CreateRectRgn32( 0, 0, 0, 0 ))) return FALSE;
447 /* Transform region into device co-ords */
448 if (!REGION_LPTODP( hdc, tmpVisRgn, hrgn )) {
449 DeleteObject32( tmpVisRgn );
453 /* Modify visible region */
454 if (!(prevVisRgn = SaveVisRgn( hdc ))) {
455 DeleteObject32( tmpVisRgn );
458 CombineRgn32( tmpVisRgn, prevVisRgn, tmpVisRgn, RGN_AND );
459 SelectVisRgn( hdc, tmpVisRgn );
460 DeleteObject32( tmpVisRgn );
462 /* Fill the region */
464 GetRgnBox32( dc->w.hGCClipRgn, &box );
465 if (DC_SetupGCForBrush( dc ))
466 TSXFillRectangle( display, dc->u.x.drawable, dc->u.x.gc,
467 dc->w.DCOrgX + box.left, dc->w.DCOrgY + box.top,
468 box.right-box.left, box.bottom-box.top );
470 /* Restore the visible region */
472 RestoreVisRgn( hdc );
476 /**********************************************************************
480 X11DRV_Polyline( DC *dc, const LPPOINT32 pt, INT32 count )
484 if (DC_SetupGCForPen( dc ))
485 for (i = 0; i < count-1; i ++)
486 TSXDrawLine (display, dc->u.x.drawable, dc->u.x.gc,
487 dc->w.DCOrgX + XLPTODP(dc, pt [i].x),
488 dc->w.DCOrgY + YLPTODP(dc, pt [i].y),
489 dc->w.DCOrgX + XLPTODP(dc, pt [i+1].x),
490 dc->w.DCOrgY + YLPTODP(dc, pt [i+1].y));
495 /**********************************************************************
499 X11DRV_Polygon( DC *dc, LPPOINT32 pt, INT32 count )
504 points = (XPoint *) xmalloc (sizeof (XPoint) * (count+1));
505 for (i = 0; i < count; i++)
507 points[i].x = dc->w.DCOrgX + XLPTODP( dc, pt[i].x );
508 points[i].y = dc->w.DCOrgY + YLPTODP( dc, pt[i].y );
510 points[count] = points[0];
512 if (DC_SetupGCForBrush( dc ))
513 TSXFillPolygon( display, dc->u.x.drawable, dc->u.x.gc,
514 points, count+1, Complex, CoordModeOrigin);
516 if (DC_SetupGCForPen ( dc ))
517 TSXDrawLines( display, dc->u.x.drawable, dc->u.x.gc,
518 points, count+1, CoordModeOrigin );
525 /**********************************************************************
529 X11DRV_PolyPolygon( DC *dc, LPPOINT32 pt, LPINT32 counts, UINT32 polygons)
533 /* FIXME: The points should be converted to device coords before */
534 /* creating the region. But as CreatePolyPolygonRgn is not */
535 /* really correct either, it doesn't matter much... */
536 /* At least the outline will be correct :-) */
537 hrgn = CreatePolyPolygonRgn32( pt, counts, polygons, dc->w.polyFillMode );
538 X11DRV_PaintRgn( dc, hrgn );
539 DeleteObject32( hrgn );
541 /* Draw the outline of the polygons */
543 if (DC_SetupGCForPen ( dc ))
548 for (i = 0; i < polygons; i++) if (counts[i] > max) max = counts[i];
549 points = (XPoint *) xmalloc( sizeof(XPoint) * (max+1) );
551 for (i = 0; i < polygons; i++)
553 for (j = 0; j < counts[i]; j++)
555 points[j].x = dc->w.DCOrgX + XLPTODP( dc, pt->x );
556 points[j].y = dc->w.DCOrgY + YLPTODP( dc, pt->y );
559 points[j] = points[0];
560 TSXDrawLines( display, dc->u.x.drawable, dc->u.x.gc,
561 points, j + 1, CoordModeOrigin );
569 /**********************************************************************
570 * X11DRV_InternalFloodFill
572 * Internal helper function for flood fill.
573 * (xorg,yorg) is the origin of the X image relative to the drawable.
574 * (x,y) is relative to the origin of the X image.
576 static void X11DRV_InternalFloodFill(XImage *image, DC *dc,
579 Pixel pixel, WORD fillType )
583 #define TO_FLOOD(x,y) ((fillType == FLOODFILLBORDER) ? \
584 (XGetPixel(image,x,y) != pixel) : \
585 (XGetPixel(image,x,y) == pixel))
587 if (!TO_FLOOD(x,y)) return;
589 /* Find left and right boundaries */
592 while ((left > 0) && TO_FLOOD( left-1, y )) left--;
593 while ((right < image->width) && TO_FLOOD( right, y )) right++;
594 XFillRectangle( display, dc->u.x.drawable, dc->u.x.gc,
595 xOrg + left, yOrg + y, right-left, 1 );
597 /* Set the pixels of this line so we don't fill it again */
599 for (x = left; x < right; x++)
601 if (fillType == FLOODFILLBORDER) XPutPixel( image, x, y, pixel );
602 else XPutPixel( image, x, y, ~pixel );
605 /* Fill the line above */
612 while ((x < right) && !TO_FLOOD(x,y)) x++;
613 if (x >= right) break;
614 while ((x < right) && TO_FLOOD(x,y)) x++;
615 X11DRV_InternalFloodFill(image, dc, x-1, y,
616 xOrg, yOrg, pixel, fillType );
620 /* Fill the line below */
622 if ((y += 2) < image->height)
627 while ((x < right) && !TO_FLOOD(x,y)) x++;
628 if (x >= right) break;
629 while ((x < right) && TO_FLOOD(x,y)) x++;
630 X11DRV_InternalFloodFill(image, dc, x-1, y,
631 xOrg, yOrg, pixel, fillType );
638 /**********************************************************************
641 * Main flood-fill routine.
643 * The Xlib critical section must be entered before calling this function.
646 struct FloodFill_params
655 static BOOL32 X11DRV_DoFloodFill( const struct FloodFill_params *params )
661 if (GetRgnBox32( dc->w.hGCClipRgn, &rect ) == ERROR) return FALSE;
663 if (!(image = XGetImage( display, dc->u.x.drawable,
664 dc->w.DCOrgX + rect.left,
665 dc->w.DCOrgY + rect.top,
666 rect.right - rect.left,
667 rect.bottom - rect.top,
668 AllPlanes, ZPixmap ))) return FALSE;
670 if (DC_SetupGCForBrush( dc ))
672 /* ROP mode is always GXcopy for flood-fill */
673 XSetFunction( display, dc->u.x.gc, GXcopy );
674 X11DRV_InternalFloodFill(image, dc,
675 XLPTODP(dc,params->x) - rect.left,
676 YLPTODP(dc,params->y) - rect.top,
677 dc->w.DCOrgX + rect.left,
678 dc->w.DCOrgY + rect.top,
679 COLOR_ToPhysical( dc, params->color ),
683 XDestroyImage( image );
688 /**********************************************************************
689 * X11DRV_ExtFloodFill
692 X11DRV_ExtFloodFill( DC *dc, INT32 x, INT32 y, COLORREF color,
696 struct FloodFill_params params = { dc, x, y, color, fillType };
698 dprintf_graphics( stddeb, "X11DRV_ExtFloodFill %d,%d %06lx %d\n",
699 x, y, color, fillType );
701 if (!PtVisible32( dc->hSelf, x, y )) return FALSE;
702 EnterCriticalSection( &X11DRV_CritSection );
703 result = CALL_LARGE_STACK( X11DRV_DoFloodFill, ¶ms );
704 LeaveCriticalSection( &X11DRV_CritSection );