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Add RGB16 macro for RGB565 conversion with byte swap

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Stanislav N Mikhailov
2026-03-24 21:18:10 +03:00
parent 214c0919e3
commit ad2c40ed39
1 changed files with 12 additions and 1 deletions
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include/display/renderer.h
+12 -1
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@@ -7,6 +7,18 @@
extern "C" {
#endif
#define RGB565(R, G, B) \
((uint16_t)((((uint16_t)(R) & 0xF8u) << 8) | \
(((uint16_t)(G) & 0xFCu) << 3) | \
(((uint16_t)(B) & 0xF8u) >> 3)))
#define BSWAP16(X) \
((uint16_t)((((uint16_t)(X) & 0x00FFu) << 8) | \
(((uint16_t)(X) & 0xFF00u) >> 8)))
/* RGB888 -> RGB565 with swapped byte order for ctx->buf */
#define RGB16(R, G, B) BSWAP16(RGB565((R), (G), (B)))
typedef struct
{
uint16_t* buf;
@@ -49,4 +61,3 @@ void render_bezier(
#ifdef __cplusplus
}
#endif