mifillrct.c revision 05b261ec 
1/***********************************************************
2
3Copyright 1987, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25
26Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
27
28                        All Rights Reserved
29
30Permission to use, copy, modify, and distribute this software and its
31documentation for any purpose and without fee is hereby granted,
32provided that the above copyright notice appear in all copies and that
33both that copyright notice and this permission notice appear in
34supporting documentation, and that the name of Digital not be
35used in advertising or publicity pertaining to distribution of the
36software without specific, written prior permission.
37
38DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
39ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
40DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
41ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
42WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
43ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
44SOFTWARE.
45
46******************************************************************/
47
48#ifdef HAVE_DIX_CONFIG_H
49#include <dix-config.h>
50#endif
51
52#include <X11/X.h>
53#include <X11/Xprotostr.h>
54#include "gcstruct.h"
55#include "windowstr.h"
56#include "pixmap.h"
57#include "mi.h"
58#include "misc.h"
59
60/* mi rectangles
61   written by newman, with debts to all and sundry
62*/
63
64/* MIPOLYFILLRECT -- public entry for PolyFillRect request
65 * very straight forward: translate rectangles if necessary
66 * then call FillSpans to fill each rectangle.  We let FillSpans worry about
67 * clipping to the destination
68 */
69_X_EXPORT void
70miPolyFillRect(pDrawable, pGC, nrectFill, prectInit)
71    DrawablePtr	pDrawable;
72    GCPtr	pGC;
73    int		nrectFill; 	/* number of rectangles to fill */
74    xRectangle	*prectInit;  	/* Pointer to first rectangle to fill */
75{
76    int i;
77    int	height;
78    int	width;
79    xRectangle *prect;
80    int	xorg;
81    int	yorg;
82    int	maxheight;
83    DDXPointPtr	pptFirst;
84    DDXPointPtr ppt;
85    int	*pwFirst;
86    int *pw;
87
88    if (pGC->miTranslate)
89    {
90	xorg = pDrawable->x;
91	yorg = pDrawable->y;
92        prect = prectInit;
93        maxheight = 0;
94        for (i = 0; i<nrectFill; i++, prect++)
95        {
96	    prect->x += xorg;
97	    prect->y += yorg;
98	    maxheight = max(maxheight, prect->height);
99        }
100    }
101    else
102    {
103        prect = prectInit;
104        maxheight = 0;
105        for (i = 0; i<nrectFill; i++, prect++)
106	    maxheight = max(maxheight, prect->height);
107    }
108
109    pptFirst = (DDXPointPtr) ALLOCATE_LOCAL(maxheight * sizeof(DDXPointRec));
110    pwFirst = (int *) ALLOCATE_LOCAL(maxheight * sizeof(int));
111    if(!pptFirst || !pwFirst)
112    {
113	if (pwFirst) DEALLOCATE_LOCAL(pwFirst);
114	if (pptFirst) DEALLOCATE_LOCAL(pptFirst);
115	return;
116    }
117
118    prect = prectInit;
119    while(nrectFill--)
120    {
121	ppt = pptFirst;
122	pw = pwFirst;
123	height = prect->height;
124	width = prect->width;
125	xorg = prect->x;
126	yorg = prect->y;
127	while(height--)
128	{
129	    *pw++ = width;
130	    ppt->x = xorg;
131	    ppt->y = yorg;
132	    ppt++;
133	    yorg++;
134	}
135	(* pGC->ops->FillSpans)(pDrawable, pGC,
136			   prect->height, pptFirst, pwFirst,
137			   1);
138	prect++;
139    }
140    DEALLOCATE_LOCAL(pwFirst);
141    DEALLOCATE_LOCAL(pptFirst);
142}
143