C語言 將RGB888轉換為RGB565
參考鏈接
致謝：開袋有驚喜
#define RGB888_RED 0x00ff0000
#define RGB888_GREEN 0x0000ff00
#define RGB888_BLUE 0x000000ff
#define RGB565_RED 0xf800
#define RGB565_GREEN 0x07e0
#define RGB565_BLUE 0x001f
unsigned short RGB888ToRGB565(unsigned int n888Color)
{
unsigned short n565Color = 0;
// 獲取RGB單色，并截取高位
unsigned char cRed = (n888Color & RGB888_RED) >> 19;
unsigned char cGreen = (n888Color & RGB888_GREEN) >> 10;
unsigned char cBlue = (n888Color & RGB888_BLUE) >> 3;
// 連接
n565Color = (cRed << 11) + (cGreen << 5) + (cBlue << 0);
return n565Color;
}
unsigned int RGB565ToRGB888(unsigned short n565Color)
{
unsigned int n888Color = 0;
// 獲取RGB單色，并填充低位
unsigned char cRed = (n565Color & RGB565_RED) >> 8;
unsigned char cGreen = (n565Color & RGB565_GREEN) >> 3;
unsigned char cBlue = (n565Color & RGB565_BLUE) << 3;
// 連接
n888Color = (cRed << 16) + (cGreen << 8) + (cBlue << 0);
return n888Color;
}
