tint2conf: gradient config

src/tint2conf/gradient_gui.h

@@ -0,0 +1,39 @@
+#ifndef GRADIENT_GUI_H
+#define GRADIENT_GUI_H
+
+#include "gui.h"
+
+int gradient_index_safe(int index);
+void create_gradient(GtkWidget *parent);
+GtkWidget *create_gradient_combo();
+void gradient_duplicate(GtkWidget *widget, gpointer data);
+void gradient_delete(GtkWidget *widget, gpointer data);
+void gradient_update_image(int index);
+void gradient_update(GtkWidget *widget, gpointer data);
+void gradient_force_update();
+void current_gradient_changed(GtkWidget *widget, gpointer data);
+
+typedef enum GradientConfigType {
+	GRADIENT_CONFIG_VERTICAL = 0,
+	GRADIENT_CONFIG_HORIZONTAL,
+	GRADIENT_CONFIG_RADIAL
+} GradientConfigType;
+
+typedef struct GradientConfigColorStop {
+	Color color;
+	// offset in 0-1
+	double offset;
+} GradientConfigColorStop;
+
+typedef struct GradientConfig {
+	GradientConfigType type;
+	GradientConfigColorStop start_color;
+	GradientConfigColorStop end_color;
+	// Each element is a GradientConfigColorStop
+	GList *extra_color_stops;
+} GradientConfig;
+
+void gradient_create_new(GradientConfigType t);
+void gradient_draw(cairo_t *c, GradientConfig *g, int w, int h, gboolean preserve);
+
+#endif