2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
24 #include "flx_color.h"
26 FlxColorSpaceConverter *
27 flx_colorspace_converter_new(gint width, gint height)
29 FlxColorSpaceConverter *new = g_malloc(sizeof(FlxColorSpaceConverter));
34 memset(new->palvec, 0, sizeof(new->palvec));
39 flx_colorspace_converter_destroy(FlxColorSpaceConverter *flxpal)
41 g_return_if_fail(flxpal != NULL);
47 flx_colorspace_convert(FlxColorSpaceConverter *flxpal, guchar *src, guchar *dest)
51 g_return_if_fail(flxpal != NULL);
52 g_return_if_fail(src != dest);
55 size = flxpal->width * flxpal->height;
59 *dest++ = flxpal->palvec[col+2];
60 *dest++ = flxpal->palvec[col+1];
61 *dest++ = flxpal->palvec[col];
69 flx_set_palette_vector(FlxColorSpaceConverter *flxpal, guint start, guint num, guchar *newpal)
73 g_return_if_fail(flxpal != NULL);
74 g_return_if_fail(start < 0x100);
76 grab = ((start + num) > 0x100 ? 0x100 - start : num);
78 memcpy(&flxpal->palvec[start * 3], newpal, grab*3);
83 flx_set_color(FlxColorSpaceConverter *flxpal, guint colr, guint red, guint green, guint blue)
86 g_return_if_fail(flxpal != NULL);
87 g_return_if_fail(colr < 0x100);
89 flxpal->palvec[(colr * 3)] = red;
90 flxpal->palvec[(colr * 3) + 1] = green;
91 flxpal->palvec[(colr * 3) + 2] = blue;