diff options
Diffstat (limited to 'gst/flx/flx_color.c')
-rw-r--r-- | gst/flx/flx_color.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/gst/flx/flx_color.c b/gst/flx/flx_color.c new file mode 100644 index 00000000..c61052d0 --- /dev/null +++ b/gst/flx/flx_color.c @@ -0,0 +1,94 @@ +/* Gnome-Streamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include <string.h> +#include <gst/gst.h> + + +#include "flx_color.h" + +FlxColorSpaceConverter * +flx_colorspace_converter_new(gint width, gint height) +{ + FlxColorSpaceConverter *new = g_malloc(sizeof(FlxColorSpaceConverter)); + + new->width = width; + new->height = height; + + memset(new->palvec, 0, sizeof(new->palvec)); + return new; +} + +void +flx_colorspace_converter_destroy(FlxColorSpaceConverter *flxpal) +{ + g_return_if_fail(flxpal != NULL); + + g_free(flxpal); +} + +void +flx_colorspace_convert(FlxColorSpaceConverter *flxpal, guchar *src, guchar *dest) +{ + guint size, col; + + g_return_if_fail(flxpal != NULL); + g_return_if_fail(src != dest); + + + size = flxpal->width * flxpal->height; + + while(size--) { + col = (*src++ * 3); + *dest++ = flxpal->palvec[col+2]; + *dest++ = flxpal->palvec[col+1]; + *dest++ = flxpal->palvec[col]; + *dest++ = 0; + } + +} + + +void +flx_set_palette_vector(FlxColorSpaceConverter *flxpal, guint start, guint num, guchar *newpal) +{ + guint grab; + + g_return_if_fail(flxpal != NULL); + g_return_if_fail(start < 0x100); + + grab = ((start + num) > 0x100 ? 0x100 - start : num); + + memcpy(&flxpal->palvec[start * 3], newpal, grab*3); + +} + +void +flx_set_color(FlxColorSpaceConverter *flxpal, guint colr, guint red, guint green, guint blue) +{ + + g_return_if_fail(flxpal != NULL); + g_return_if_fail(colr < 0x100); + + flxpal->palvec[(colr * 3)] = red; + flxpal->palvec[(colr * 3) + 1] = green; + flxpal->palvec[(colr * 3) + 2] = blue; +} + + |