1 /* Copyright (C) 2000-2012 by George Williams */
2 /*
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are met:
5
6 * Redistributions of source code must retain the above copyright notice, this
7 * list of conditions and the following disclaimer.
8
9 * Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
12
13 * The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <fontforge-config.h>
29
30 #include "gdrawP.h"
31
_GDraw_getimageclut(struct _GImage * base,struct gcol * clut)32 void _GDraw_getimageclut(struct _GImage *base, struct gcol *clut) {
33 int i, cnt;
34 long col;
35
36 if ( base->clut==NULL ) {
37 clut->red = clut->green = clut->blue = 0;
38 ++clut;
39 clut->red = clut->green = clut->blue = 0xff;
40 ++clut;
41 i = 2;
42 } else {
43 cnt= base->clut->clut_len;
44 for ( i=0; i<cnt; ++i, ++clut ) {
45 col = base->clut->clut[i];
46 clut->red = (col>>16)&0xff;
47 clut->green = (col>>8)&0xff;
48 clut->blue = (col&0xff);
49 }
50 }
51 for ( ; i<256; ++i, ++clut ) {
52 clut->red = clut->green = clut->blue = 0xff;
53 clut->pixel = 0;
54 }
55 }
56