1 files changed, 53 insertions, 0 deletions
diff --git a/src/include/ui/pixel_ops.h b/src/include/ui/pixel_ops.h
new file mode 100644
index 0000000..d390adf
--- /dev/null
+++ b/src/include/ui/pixel_ops.h
@@ -0,0 +1,53 @@
+static inline unsigned int rgb_to_pixel8(unsigned int r, unsigned int g,
+                                         unsigned int b)
+{
+    return ((r >> 5) << 5) | ((g >> 5) << 2) | (b >> 6);
+}
+
+static inline unsigned int rgb_to_pixel15(unsigned int r, unsigned int g,
+                                          unsigned int b)
+{
+    return ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
+}
+
+static inline unsigned int rgb_to_pixel15bgr(unsigned int r, unsigned int g,
+                                             unsigned int b)
+{
+    return ((b >> 3) << 10) | ((g >> 3) << 5) | (r >> 3);
+}
+
+static inline unsigned int rgb_to_pixel16(unsigned int r, unsigned int g,
+                                          unsigned int b)
+{
+    return ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
+}
+
+static inline unsigned int rgb_to_pixel16bgr(unsigned int r, unsigned int g,
+                                             unsigned int b)
+{
+    return ((b >> 3) << 11) | ((g >> 2) << 5) | (r >> 3);
+}
+
+static inline unsigned int rgb_to_pixel24(unsigned int r, unsigned int g,
+                                          unsigned int b)
+{
+    return (r << 16) | (g << 8) | b;
+}
+
+static inline unsigned int rgb_to_pixel24bgr(unsigned int r, unsigned int g,
+                                             unsigned int b)
+{
+    return (b << 16) | (g << 8) | r;
+}
+
+static inline unsigned int rgb_to_pixel32(unsigned int r, unsigned int g,
+                                          unsigned int b)
+{
+    return (r << 16) | (g << 8) | b;
+}
+
+static inline unsigned int rgb_to_pixel32bgr(unsigned int r, unsigned int g,
+                                             unsigned int b)
+{
+    return (b << 16) | (g << 8) | r;
+}