1 files changed, 63 insertions, 0 deletions
diff --git a/src/color.h b/src/color.h
new file mode 100644
index 0000000..ca52d98
--- /dev/null
+++ b/src/color.h
@@ -0,0 +1,63 @@
+/* This file is part of Ganv.
+ * Copyright 2007-2015 David Robillard <http://drobilla.net>
+ *
+ * Ganv is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or any later version.
+ *
+ * Ganv 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 General Public License for details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with Ganv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GANV_UTIL_H
+#define GANV_UTIL_H
+
+#include <glib.h>
+
+#ifdef GANV_USE_LIGHT_THEME
+#    define DEFAULT_BACKGROUND_COLOR 0xFFFFFFFF
+#    define DEFAULT_TEXT_COLOR       0x000000FF
+#    define DIM_TEXT_COLOR           0x333333BB
+#    define DEFAULT_FILL_COLOR       0xEEEEEEFF
+#    define DEFAULT_BORDER_COLOR     0x000000FF
+#    define PORT_BORDER_COLOR(fill)  0x000000FF
+#    define EDGE_COLOR(base)         highlight_color(tail_color, -48)
+#else
+#    define DEFAULT_BACKGROUND_COLOR 0x000000FF
+#    define DEFAULT_TEXT_COLOR       0xFFFFFFFF
+#    define DIM_TEXT_COLOR           0xCCCCCCBB
+#    define DEFAULT_FILL_COLOR       0x1E2224FF
+#    define DEFAULT_BORDER_COLOR     0x3E4244FF
+#    define PORT_BORDER_COLOR(fill)  highlight_color(fill, 0x20)
+#    define EDGE_COLOR(base)         highlight_color(tail_color, 48)
+#endif
+
+static inline void
+color_to_rgba(guint color, double* r, double* g, double* b, double* a)
+{
+	*r = ((color >> 24) & 0xFF) / 255.0;
+	*g = ((color >> 16) & 0xFF) / 255.0;
+	*b = ((color >> 8)  & 0xFF) / 255.0;
+	*a = ((color)       & 0xFF) / 255.0;
+}
+
+static inline guint
+highlight_color(guint c, guint delta)
+{
+	const guint max_char = 255;
+	const guint r        = MIN((c >> 24) + delta, max_char);
+	const guint g        = MIN(((c >> 16) & 0xFF) + delta, max_char);
+	const guint b        = MIN(((c >> 8) & 0xFF) + delta, max_char);
+	const guint a        = c & 0xFF;
+
+	return ((((guint)(r)) << 24) |
+	        (((guint)(g)) << 16) |
+	        (((guint)(b)) << 8) |
+	        (((guint)(a))));
+}
+
+#endif  // GANV_UTIL_H