int left_sector (char *frameBuffer,int width, int height,int truex ,u32_t *buf32)
{
int i, j, m1, m2, m3, m4, m5, m6, m7;
m1 = width / 8;
m2 = width / 4;
m3 = width / 4 + width / 8;
m4 = width / 2;
m5 = width / 2 + width / 8;
m6 = width / 2 + width / 4;
m7 = width / 2 + width / 8 + width / 4 ;
for (i = 0; i <= width / 8; i++, m1++, m2++, m3++, m4++, m5++, m6++, m7++)
{
for (j = 0; j <= height; j++)
{
drawRect_rgbtest(i, width, j , truex, buf32[i + j * width], frameBuffer);
drawRect_rgbtest(m1, width, j, truex, buf32[m1 + j * width], frameBuffer);
drawRect_rgbtest(m2, width, j, truex, buf32[m2+ j * width], frameBuffer);
drawRect_rgbtest(m3, width, j, truex, buf32[m3+ j * width], frameBuffer);
drawRect_rgbtest(m4, width, j, truex, buf32[m4+ j * width], frameBuffer);
drawRect_rgbtest(m5, width, j, truex, buf32[m5 + j * width], frameBuffer);
drawRect_rgbtest(m6, width, j, truex, buf32[m6 + j * width], frameBuffer);
drawRect_rgbtest(m7, width, j, truex, buf32[m7 + j * width], frameBuffer);
}
usleep (10000);
}
return 0;
}
int down_sector (char *frameBuffer,int width, int height, u32_t *buf32)
{
int i, j, m1, m2, m3, m4, m5, m6, m7;
m1 = height / 8;
m2 = height / 4;
m3 = height / 4 + height / 8;
m4 = height / 2;
m5 = height / 2 + height / 8;
m6 = height / 2 + height / 4;
m7 = height / 2 + height / 8 + height / 4 - 1;
for (j = 0; j <= height / 8; j++, m1++, m2++, m3++, m4++, m5++, m6++, m7++)
{
for (i = 0; i <= width; i++)
{
drawRect_rgbtest(i, width, j , buf32[i + j * width], frameBuffer);
drawRect_rgbtest(i, width, m1, buf32[i + m1 * width], frameBuffer);
drawRect_rgbtest(i, width, m2, buf32[i + m2 * width], frameBuffer);
drawRect_rgbtest(i, width, m3, buf32[i + m3 * width], frameBuffer);
drawRect_rgbtest(i, width, m4, buf32[i + m4 * width], frameBuffer);
drawRect_rgbtest(i, width, m5, buf32[i + m5 * width], frameBuffer);
drawRect_rgbtest(i, width, m6, buf32[i + m6 * width], frameBuffer);
drawRect_rgbtest(i, width, m7, buf32[i + m7 * width], frameBuffer);
}
usleep (10000);
}
return 0;
}
int down(char *frameBuffer, int width, int height,int truex, u32_t * buf32)
{
int i = 0;
int j = 0;
for (j = 0; j < height; j++)
{
for (i = 0; i < width; i++)
{
drawRect_rgbtest (i, width, j,truex, buf32[j * width + i], frameBuffer);
}
usleep (1500);
}
}
int main(int argc, char **argv)
{
unsigned int width = 0, height = 0, size = 0;
float rate = 0.0;
int ret = get_JPEG_info(argv[1], &width, &height, &size, &rate);
//得到图片的大小长度宽度等属性
if (ret == 0)
printf("widhth*height = %u * %u; size=%u; rate=%.2f\n", width, height, size, rate);
unsigned char *bffer;
bffer = read_JPEG_file(argv[1]);
// u32_t buf32 = read_JPEG_file(argv[1]);
frameBuffer = open_fb_ioctl(argv[2],&vinfo,&finfo);
//打开/dev/fbx，并得到fb的属性vinfo，finfo，然后mmap到内存，返回内存的首地址
printf("x = %d y = %d\n",vinfo.xres,vinfo.yres);
if(width != vinfo.xres || height != vinfo.yres)
{
printf("photo is worrg\n");
return 2;
}
printf("photo is ok\n");
fb_info jpeg_inf;
jpeg_inf.w = width;
jpeg_inf.h = height;
u32_t *buf32;
u16_t *buf16;
printf("%d\n",vinfo.bits_per_pixel);
switch(vinfo.bits_per_pixel){
case 32:
buf32 = rgb24to32((u8_t *)bffer,jpeg_inf);
printf("24 to 32\n");
break;
case 24:
// u24_t *buf = (u24_t *)buffer;
printf("24 to 24\n");
break;
case 16:
// u16_t *buf = rgb24to16((u8_t *)buffer,jpeg_inf);
printf("24 to 16\n");
break;
default:
printf("worrg /dev/fb.bits_per_pixel\n");
return 1;
}
// 随机产生特效
srand((unsigned)time(NULL));
switch(rand()%3)
{
case 0:
down_sector(frameBuffer, width, height, buf32);
break;
case 1:
left(frameBuffer, width, height, buf32);
break;
case 2:
down(frameBuffer, width, height, buf32);
break;
}
#if 0
//根据不同的显卡色位转换图片色位
int i = 0;
int j = 0;
for(j = 0;j < height;j ++)
{
for(i = 0; i < width; i++)
{
drawRect_rgbtest(i,width,j,buf32[j*width+i],frameBuffer);
}
usleep(5000);
}
//循环打印到屏幕
// int k = 0;
// int i;
// int j;
// for(i = 0; i < width; i = i + 256)
// {
// for(j = 0;j < height;j++)
// {
// for(k = i; k < i + 256; k++)
// {
// drawRect_rgbtest(k,width,j,height,buf32[j*width+k],frameBuffer);
// }
// }
// usleep(100000);
// }
sleep(10);
#endif
return 0;
}
