RGB565 to RGB24, RGB555 & RGB2
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#define RGB565_MASK_RED 0xF800
#define RGB565_MASK_GREEN 0x07E0
#define RGB565_MASK_BLUE 0x001F
void rgb565_2_rgb24(BYTE *rgb24, WORD rgb565)
{
//extract RGB
rgb24[2] = (rgb565 & RGB565_MASK_RED) >> 11;
rgb24[1] = (rgb565 & RGB565_MASK_GREEN) >> 5;
rgb24[0] = (rgb565 & RGB565_MASK_BLUE);
//amplify the image
rgb24[2] <<= 3;
rgb24[1] <<= 2;
rgb24[0] <<= 3;
}
#define RGB565_MASK_GREEN 0x07E0
#define RGB565_MASK_BLUE 0x001F
void rgb565_2_rgb24(BYTE *rgb24, WORD rgb565)
{
//extract RGB
rgb24[2] = (rgb565 & RGB565_MASK_RED) >> 11;
rgb24[1] = (rgb565 & RGB565_MASK_GREEN) >> 5;
rgb24[0] = (rgb565 & RGB565_MASK_BLUE);
//amplify the image
rgb24[2] <<= 3;
rgb24[1] <<= 2;
rgb24[0] <<= 3;
}
USHORT rgb_24_2_565(int r, int g, int b)
{
return (USHORT)(((unsigned(r) << 8) & 0xF800) |
((unsigned(g) << 3) & 0x7E0) |
((unsigned(b) >> 3)));
}
{
return (USHORT)(((unsigned(r) << 8) & 0xF800) |
((unsigned(g) << 3) & 0x7E0) |
((unsigned(b) >> 3)));
}
the following is conversion RGB24 with RGB555
USHORT rgb_24_2_555(int r, int g, int b)
{
return (USHORT)(((unsigned(r) << 7) & 0x7C00) |
((unsigned(g) << 2) & 0x3E0) |
((unsigned(b) >> 3)));
}
COLORREF rgb_555_2_24(int rgb555)
{
unsigned r = ((rgb555 >> 7) & 0xF8);
unsigned g = ((rgb555 >> 2) & 0xF8);
unsigned b = ((rgb555 << 3) & 0xF8);
return RGB(r,g,b);
}
void rgb_555_2_bgr24(BYTE* p, int rgb555)
{
p[0] = ((rgb555 << 3) & 0xF8);
p[1] = ((rgb555 >> 2) & 0xF8);
p[2] = ((rgb555 >> 7) & 0xF8);
}
{
return (USHORT)(((unsigned(r) << 7) & 0x7C00) |
((unsigned(g) << 2) & 0x3E0) |
((unsigned(b) >> 3)));
}
COLORREF rgb_555_2_24(int rgb555)
{
unsigned r = ((rgb555 >> 7) & 0xF8);
unsigned g = ((rgb555 >> 2) & 0xF8);
unsigned b = ((rgb555 << 3) & 0xF8);
return RGB(r,g,b);
}
void rgb_555_2_bgr24(BYTE* p, int rgb555)
{
p[0] = ((rgb555 << 3) & 0xF8);
p[1] = ((rgb555 >> 2) & 0xF8);
p[2] = ((rgb555 >> 7) & 0xF8);
}
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