create ffbg

1 files changed, 45 insertions, 0 deletions

diff --git a/drw.h b/drw.h
new file mode 100644
index 0000000..37e44c9
--- /dev/null
+++ b/drw.h
@@ -0,0 +1,45 @@
+#ifndef DRW_H
+#define DRW_H
+
+#include <stdint.h>
+#include "wayland.h"
+
+/* type definitions */
+typedef struct {
+	uint32_t *data;
+	unsigned width;
+	unsigned height;
+	unsigned size;
+	struct wl_buffer *buffer;
+} Canvas;
+
+typedef struct {
+	uint8_t r;
+	uint8_t g;
+	uint8_t b;
+	uint8_t a;
+} Color;
+
+/* exported functions */
+Canvas* create_drw(struct wl_shm *shm, unsigned width, unsigned height);
+void free_drw(Canvas *canvas);
+
+void draw_rect(Canvas *canvas, unsigned x, unsigned y, unsigned width, unsigned height, uint32_t color);
+void draw_point(Canvas *canvas, unsigned x, unsigned y, uint32_t color);
+
+
+
+static Color
+to_color(uint32_t color)
+{
+	return *(Color*)(&color);
+}
+
+
+static uint32_t
+to_uint32_t(Color color)
+{
+	return *(uint32_t*)(&color);
+}
+
+#endif