Initial revision

Original commit message from CVS:
Initial revision

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
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+/* 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;
+}
+
+