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94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/* Gnome-Streamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <string.h>
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#include <gst/gst.h>
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#include "flx_color.h"
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FlxColorSpaceConverter *
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flx_colorspace_converter_new(gint width, gint height)
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{
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FlxColorSpaceConverter *new = g_malloc(sizeof(FlxColorSpaceConverter));
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new->width = width;
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new->height = height;
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memset(new->palvec, 0, sizeof(new->palvec));
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return new;
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}
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void
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flx_colorspace_converter_destroy(FlxColorSpaceConverter *flxpal)
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{
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g_return_if_fail(flxpal != NULL);
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g_free(flxpal);
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}
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void
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flx_colorspace_convert(FlxColorSpaceConverter *flxpal, guchar *src, guchar *dest)
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{
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guint size, col;
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g_return_if_fail(flxpal != NULL);
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g_return_if_fail(src != dest);
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size = flxpal->width * flxpal->height;
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while(size--) {
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col = (*src++ * 3);
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*dest++ = flxpal->palvec[col+2];
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*dest++ = flxpal->palvec[col+1];
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*dest++ = flxpal->palvec[col];
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*dest++ = 0;
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}
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}
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void
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flx_set_palette_vector(FlxColorSpaceConverter *flxpal, guint start, guint num, guchar *newpal)
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{
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guint grab;
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g_return_if_fail(flxpal != NULL);
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g_return_if_fail(start < 0x100);
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grab = ((start + num) > 0x100 ? 0x100 - start : num);
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memcpy(&flxpal->palvec[start * 3], newpal, grab*3);
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}
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void
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flx_set_color(FlxColorSpaceConverter *flxpal, guint colr, guint red, guint green, guint blue)
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{
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g_return_if_fail(flxpal != NULL);
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g_return_if_fail(colr < 0x100);
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flxpal->palvec[(colr * 3)] = red;
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flxpal->palvec[(colr * 3) + 1] = green;
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flxpal->palvec[(colr * 3) + 2] = blue;
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}
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