1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*
* Copyright © 1998 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "fb.h"
void
fbSetSpans(DrawablePtr pDrawable,
GCPtr pGC,
char *src, DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
{
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
RegionPtr pClip = fbGetCompositeClip(pGC);
FbBits *dst, *d, *s;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
BoxPtr pbox;
int n;
int xoff;
int x1, x2;
fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
while (nspans--) {
d = dst + (ppt->y + dstYoff) * dstStride;
xoff = (int) (((long) src) & (FB_MASK >> 3));
s = (FbBits *) (src - xoff);
xoff <<= 3;
n = RegionNumRects(pClip);
pbox = RegionRects(pClip);
while (n--) {
if (pbox->y1 > ppt->y)
break;
if (pbox->y2 > ppt->y) {
x1 = ppt->x;
x2 = x1 + *pwidth;
if (pbox->x1 > x1)
x1 = pbox->x1;
if (pbox->x2 < x2)
x2 = pbox->x2;
if (x1 < x2)
fbBlt((FbBits *) s,
0,
(x1 - ppt->x) * dstBpp + xoff,
d,
dstStride,
(x1 + dstXoff) * dstBpp,
(x2 - x1) * dstBpp,
1, pGC->alu, pPriv->pm, dstBpp, FALSE, FALSE);
}
}
src += PixmapBytePad(*pwidth, pDrawable->depth);
ppt++;
pwidth++;
}
fbValidateDrawable(pDrawable);
fbFinishAccess(pDrawable);
}
|
