xref: /OK3568_Linux_fs/external/xserver/mi/mifillrct.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /***********************************************************
2*4882a593Smuzhiyun 
3*4882a593Smuzhiyun Copyright 1987, 1998  The Open Group
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun Permission to use, copy, modify, distribute, and sell this software and its
6*4882a593Smuzhiyun documentation for any purpose is hereby granted without fee, provided that
7*4882a593Smuzhiyun the above copyright notice appear in all copies and that both that
8*4882a593Smuzhiyun copyright notice and this permission notice appear in supporting
9*4882a593Smuzhiyun documentation.
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun The above copyright notice and this permission notice shall be included in
12*4882a593Smuzhiyun all copies or substantial portions of the Software.
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*4882a593Smuzhiyun IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*4882a593Smuzhiyun FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17*4882a593Smuzhiyun OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18*4882a593Smuzhiyun AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19*4882a593Smuzhiyun CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun Except as contained in this notice, the name of The Open Group shall not be
22*4882a593Smuzhiyun used in advertising or otherwise to promote the sale, use or other dealings
23*4882a593Smuzhiyun in this Software without prior written authorization from The Open Group.
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun                         All Rights Reserved
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun Permission to use, copy, modify, and distribute this software and its
30*4882a593Smuzhiyun documentation for any purpose and without fee is hereby granted,
31*4882a593Smuzhiyun provided that the above copyright notice appear in all copies and that
32*4882a593Smuzhiyun both that copyright notice and this permission notice appear in
33*4882a593Smuzhiyun supporting documentation, and that the name of Digital not be
34*4882a593Smuzhiyun used in advertising or publicity pertaining to distribution of the
35*4882a593Smuzhiyun software without specific, written prior permission.
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38*4882a593Smuzhiyun ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39*4882a593Smuzhiyun DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40*4882a593Smuzhiyun ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41*4882a593Smuzhiyun WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42*4882a593Smuzhiyun ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
43*4882a593Smuzhiyun SOFTWARE.
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun ******************************************************************/
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun #ifdef HAVE_DIX_CONFIG_H
48*4882a593Smuzhiyun #include <dix-config.h>
49*4882a593Smuzhiyun #endif
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #include <X11/X.h>
52*4882a593Smuzhiyun #include <X11/Xprotostr.h>
53*4882a593Smuzhiyun #include "gcstruct.h"
54*4882a593Smuzhiyun #include "windowstr.h"
55*4882a593Smuzhiyun #include "pixmap.h"
56*4882a593Smuzhiyun #include "mi.h"
57*4882a593Smuzhiyun #include "misc.h"
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun /* mi rectangles
60*4882a593Smuzhiyun    written by newman, with debts to all and sundry
61*4882a593Smuzhiyun */
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun /* MIPOLYFILLRECT -- public entry for PolyFillRect request
64*4882a593Smuzhiyun  * very straight forward: translate rectangles if necessary
65*4882a593Smuzhiyun  * then call FillSpans to fill each rectangle.  We let FillSpans worry about
66*4882a593Smuzhiyun  * clipping to the destination
67*4882a593Smuzhiyun  */
68*4882a593Smuzhiyun _X_COLD void
miPolyFillRect(DrawablePtr pDrawable,GCPtr pGC,int nrectFill,xRectangle * prectInit)69*4882a593Smuzhiyun miPolyFillRect(DrawablePtr pDrawable, GCPtr pGC, int nrectFill, /* number of rectangles to fill */
70*4882a593Smuzhiyun                xRectangle *prectInit    /* Pointer to first rectangle to fill */
71*4882a593Smuzhiyun     )
72*4882a593Smuzhiyun {
73*4882a593Smuzhiyun     int i;
74*4882a593Smuzhiyun     int height;
75*4882a593Smuzhiyun     int width;
76*4882a593Smuzhiyun     xRectangle *prect;
77*4882a593Smuzhiyun     int xorg;
78*4882a593Smuzhiyun     int yorg;
79*4882a593Smuzhiyun     int maxheight;
80*4882a593Smuzhiyun     DDXPointPtr pptFirst;
81*4882a593Smuzhiyun     DDXPointPtr ppt;
82*4882a593Smuzhiyun     int *pwFirst;
83*4882a593Smuzhiyun     int *pw;
84*4882a593Smuzhiyun 
85*4882a593Smuzhiyun     if (pGC->miTranslate) {
86*4882a593Smuzhiyun         xorg = pDrawable->x;
87*4882a593Smuzhiyun         yorg = pDrawable->y;
88*4882a593Smuzhiyun         prect = prectInit;
89*4882a593Smuzhiyun         maxheight = 0;
90*4882a593Smuzhiyun         for (i = 0; i < nrectFill; i++, prect++) {
91*4882a593Smuzhiyun             prect->x += xorg;
92*4882a593Smuzhiyun             prect->y += yorg;
93*4882a593Smuzhiyun             maxheight = max(maxheight, prect->height);
94*4882a593Smuzhiyun         }
95*4882a593Smuzhiyun     }
96*4882a593Smuzhiyun     else {
97*4882a593Smuzhiyun         prect = prectInit;
98*4882a593Smuzhiyun         maxheight = 0;
99*4882a593Smuzhiyun         for (i = 0; i < nrectFill; i++, prect++)
100*4882a593Smuzhiyun             maxheight = max(maxheight, prect->height);
101*4882a593Smuzhiyun     }
102*4882a593Smuzhiyun 
103*4882a593Smuzhiyun     pptFirst = xallocarray(maxheight, sizeof(DDXPointRec));
104*4882a593Smuzhiyun     pwFirst = xallocarray(maxheight, sizeof(int));
105*4882a593Smuzhiyun     if (!pptFirst || !pwFirst) {
106*4882a593Smuzhiyun         free(pwFirst);
107*4882a593Smuzhiyun         free(pptFirst);
108*4882a593Smuzhiyun         return;
109*4882a593Smuzhiyun     }
110*4882a593Smuzhiyun 
111*4882a593Smuzhiyun     prect = prectInit;
112*4882a593Smuzhiyun     while (nrectFill--) {
113*4882a593Smuzhiyun         ppt = pptFirst;
114*4882a593Smuzhiyun         pw = pwFirst;
115*4882a593Smuzhiyun         height = prect->height;
116*4882a593Smuzhiyun         width = prect->width;
117*4882a593Smuzhiyun         xorg = prect->x;
118*4882a593Smuzhiyun         yorg = prect->y;
119*4882a593Smuzhiyun         while (height--) {
120*4882a593Smuzhiyun             *pw++ = width;
121*4882a593Smuzhiyun             ppt->x = xorg;
122*4882a593Smuzhiyun             ppt->y = yorg;
123*4882a593Smuzhiyun             ppt++;
124*4882a593Smuzhiyun             yorg++;
125*4882a593Smuzhiyun         }
126*4882a593Smuzhiyun         (*pGC->ops->FillSpans) (pDrawable, pGC,
127*4882a593Smuzhiyun                                 prect->height, pptFirst, pwFirst, 1);
128*4882a593Smuzhiyun         prect++;
129*4882a593Smuzhiyun     }
130*4882a593Smuzhiyun     free(pwFirst);
131*4882a593Smuzhiyun     free(pptFirst);
132*4882a593Smuzhiyun }
133