#include <stdio.h>
#include <stdlib.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
/*
请把RGB(565)格式数据改成RGB(888)格式，即用三个byte表示原来两个byte的数据
565: | byte0 | byte1 |
| x1 x2 x3 x4 x5 x6 x7 x8 | x9 x10 x11 x12 x13 x14 x15 x16 |
888: | byte0 | byte1 | byte2 |
| 0 0 0 x1 x2 x3 x4 x5 | 0 0 x6 x7 x8 x9 x10 x11 | 0 0 0 x12 x13 x14 x15 x16 |
*/
/*
void rgb565_2_rgb888(unsigned short rgb565);
int main(int argc, char *argv[]) {
unsigned short rgb565 = 0xC618;
rgb565_2_rgb888(rgb565);
return 0;
}
void rgb565_2_rgb888(unsigned short rgb565)
{
unsigned long rgb888=0;
rgb888 = rgb565 & 0xf800;
rgb888 = rgb888 << 8;
rgb888 = rgb888 | ((rgb565 & 0x07e0) << 5);
rgb888 = rgb888 | ((rgb565 & 0x001f) << 3);
printf("%lu\n", rgb888);
}*/
typedef unsigned short int U16;
typedef unsigned char U8;
typedef unsigned int U32;
typedef unsigned int COLOR24;
typedef unsigned short int COLOR16;
#define RGB565_RED 0xf800
#define RGB565_GREEN 0x07e0
#define RGB565_BLUE 0x001f
#define RGB888_RED 0xff0000
#define RGB888_GREEN 0x00ff00
#define RGB888_BLUE 0x0000ff
typedef union _T_Color16
{
struct
{
COLOR16 b:5;
COLOR16 g:6;
COLOR16 r:5;
} RGB;
COLOR16 uValue;
} T_Color16;
typedef union _T_Color24
{
struct
{
U8 b;
U8 g;
U8 r;
U8 res;
} RGB;
COLOR24 uValue;
} T_Color24;
T_Color24 Color16_To_Color24(T_Color16 t_color16)
{
T_Color24 t_color24={0};
t_color24.RGB.r=t_color16.RGB.r << 3;
t_color24.RGB.g=t_color16.RGB.g << 2;
t_color24.RGB.b=t_color16.RGB.b << 3;
return t_color24;
}
COLOR24 rgb565_to_rgb888(COLOR16 color16)
{
COLOR24 color24=color16&RGB565_RED;
color24 <<= 8;
color24 |= (color16&RGB565_GREEN) << 5;
color24 |= (color16&RGB565_BLUE) << 3;
return color24;
}
T_Color16 Color24_To_Color16(T_Color24 t_color24)
{
T_Color16 t_color16={0};
t_color16.RGB.r=t_color24.RGB.r >> 3;
t_color16.RGB.g=t_color24.RGB.g >> 2;
t_color16.RGB.b=t_color24.RGB.b >> 3;
return t_color16;
}
COLOR16 rgb888_to_rgb565(COLOR24 color24)
{
COLOR16 color16=(color24&RGB888_RED) >> 8;
color16 &= 0xf800;
color16 |= ( (color24&RGB888_GREEN) & 0xfc00 ) >> 5 ;
color16 |= (color24&RGB888_BLUE) >> 3;
return color16;
}
int main(int argc,const char* argv[])
{
COLOR24 c;
T_Color16 t_color16;
T_Color24 t_color24;
t_color16.uValue=0X9EDD;
printf("0x%x:color16(r=0x%02x g=0x%02x b=0x%02x)\r\n",
t_color16.uValue,t_color16.RGB.r,t_color16.RGB.g,t_color16.RGB.b);
t_color24=Color16_To_Color24(t_color16);
printf("color24( r=0x%02x g=0x%02x b=0x%02x)\r\n",
t_color24.RGB.r,t_color24.RGB.g,t_color24.RGB.b);
printf("rgb565_to_rgb888(0x%x)=0x%x \r\n",t_color16.uValue,
rgb565_to_rgb888(t_color16.uValue));
printf("rgb888_to_rgb565(0x%x)=0x%x \r\n",rgb565_to_rgb888(t_color16.uValue),
rgb888_to_rgb565(rgb565_to_rgb888(t_color16.uValue)));
system("pause");
return 0;
}
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