1 /* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
2 /***********************************************************
4 Copyright (c) 1987 X Consortium
6 Permission is hereby granted, free of charge, to any person obtaining a copy
7 of this software and associated documentation files (the "Software"), to deal
8 in the Software without restriction, including without limitation the rights
9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 copies of the Software, and to permit persons to whom the Software is
11 furnished to do so, subject to the following conditions:
13 The above copyright notice and this permission notice shall be included in
14 all copies or substantial portions of the Software.
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
20 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 Except as contained in this notice, the name of the X Consortium shall not be
24 used in advertising or otherwise to promote the sale, use or other dealings
25 in this Software without prior written authorization from the X Consortium.
28 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
32 Permission to use, copy, modify, and distribute this software and its
33 documentation for any purpose and without fee is hereby granted,
34 provided that the above copyright notice appear in all copies and that
35 both that copyright notice and this permission notice appear in
36 supporting documentation, and that the name of Digital not be
37 used in advertising or publicity pertaining to distribution of the
38 software without specific, written prior permission.
40 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
41 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
42 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
43 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
44 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
45 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
48 ******************************************************************/
49 /* $XConsortium: mfbfillrct.c,v 5.10 94/04/17 20:28:21 dpw Exp $ */
51 #include "Xprotostr.h"
52 #include "pixmapstr.h"
54 #include "windowstr.h"
55 #include "miscstruct.h"
56 #include "regionstr.h"
57 #include "scrnintstr.h"
62 #define MODEQ(a, b) ((a) %= (b))
63 void mfbPaintOddSize();
67 translate the rectangles, clip them, and call the
68 helper function in the GC.
71 #define NUM_STACK_RECTS 1024
74 mfbPolyFillRect(pDrawable, pGC, nrectFill, prectInit)
75 DrawablePtr pDrawable;
77 int nrectFill; /* number of rectangles to fill */
78 xRectangle *prectInit; /* Pointer to first rectangle to fill */
83 register BoxPtr pboxClipped;
84 BoxPtr pboxClippedBase;
86 BoxRec stackRects[NUM_STACK_RECTS];
95 if (!(pGC->planemask & 1))
98 priv = (mfbPrivGC *) pGC->devPrivates[mfbGCPrivateIndex].ptr;
99 alu = priv->ropFillArea;
100 pfn = priv->FillArea;
101 ppix = priv->pRotatedPixmap;
102 prgnClip = priv->pCompositeClip;
111 Duff (n, prect->x += xorg; prect->y += yorg; prect++);
117 numRects = REGION_NUM_RECTS(prgnClip) * nrectFill;
118 if (numRects > NUM_STACK_RECTS)
120 pboxClippedBase = (BoxPtr)ALLOCATE_LOCAL(numRects * sizeof(BoxRec));
121 if (!pboxClippedBase)
125 pboxClippedBase = stackRects;
127 pboxClipped = pboxClippedBase;
129 if (REGION_NUM_RECTS(prgnClip) == 1)
131 int x1, y1, x2, y2, bx2, by2;
133 pextent = REGION_RECTS(prgnClip);
140 if ((pboxClipped->x1 = prect->x) < x1)
141 pboxClipped->x1 = x1;
143 if ((pboxClipped->y1 = prect->y) < y1)
144 pboxClipped->y1 = y1;
146 bx2 = (int) prect->x + (int) prect->width;
149 pboxClipped->x2 = bx2;
151 by2 = (int) prect->y + (int) prect->height;
154 pboxClipped->y2 = by2;
157 if ((pboxClipped->x1 < pboxClipped->x2) &&
158 (pboxClipped->y1 < pboxClipped->y2))
166 int x1, y1, x2, y2, bx2, by2;
168 pextent = REGION_EXTENTS(pGC->pScreen, prgnClip);
177 if ((box.x1 = prect->x) < x1)
180 if ((box.y1 = prect->y) < y1)
183 bx2 = (int) prect->x + (int) prect->width;
188 by2 = (int) prect->y + (int) prect->height;
195 if ((box.x1 >= box.x2) || (box.y1 >= box.y2))
198 n = REGION_NUM_RECTS (prgnClip);
199 pbox = REGION_RECTS(prgnClip);
201 /* clip the rectangle to each box in the clip region
202 this is logically equivalent to calling Intersect()
206 pboxClipped->x1 = max(box.x1, pbox->x1);
207 pboxClipped->y1 = max(box.y1, pbox->y1);
208 pboxClipped->x2 = min(box.x2, pbox->x2);
209 pboxClipped->y2 = min(box.y2, pbox->y2);
212 /* see if clipping left anything */
213 if(pboxClipped->x1 < pboxClipped->x2 &&
214 pboxClipped->y1 < pboxClipped->y2)
221 if (pboxClipped != pboxClippedBase)
222 (*pfn) (pDrawable,pboxClipped-pboxClippedBase, pboxClippedBase, alu, ppix);
223 if (pboxClippedBase != stackRects)
224 DEALLOCATE_LOCAL(pboxClippedBase);