_EXPORT void SaveIplImageExt(const char* path, const IplImageExt* image)
{
CvSize size = image->GetSize();
RECT rc;
rc.left = 0; rc.top =0;
rc.right = size.width; rc.bottom = size.height;
IplImage* i = cvCreateImage(size, IPL_DEPTH_8U, 3);
UCvPixel color1 = ucvPixel(255,255,255,255);
UCvPixel color2 = ucvPixel(100,100,100,255);
CheckerImageRect(i, &color1, &color2, 25, &rc);
int x,y;
UCvPixel pixel1;
UCvPixel pixel2;
for(y=0; y<size.height; y++){
for(x=0; x<size.width; x++){
switch(image->GetImgNChannel()){
case 4:
image->GetPixel(x, y, &pixel1);
break;
case 1:
image->GetMaskData(x, y, &(pixel1.r));
pixel1.b = pixel1.g = pixel1.r;
pixel1.a = 255;
break;
default:
assert(0);
break;
}
GetPixelFromBGR(i, x, y, &pixel2);
pixel1.b = pixel1.b*(pixel1.a/255.0) + (1.0 - pixel1.a/255.0)*pixel2.b;
pixel1.g = pixel1.g*(pixel1.a/255.0) + (1.0 - pixel1.a/255.0)*pixel2.g;
pixel1.r = pixel1.r*(pixel1.a/255.0) + (1.0 - pixel1.a/255.0)*pixel2.r;
SetPixelToBGR(i, x, y, &pixel1);
}
}
cvSaveImage(path, i);
cvReleaseImage(&i);
}
/*!
市松模様を書き込む
@param[in,out] img 書き込み先 3or4 ch
@param[in] color1 色1
@parma[in] color2 色2
@parma[in] block_size ブロックサイズ
*/
void CheckerImage(IplImage* img, const UCvPixel* color1, const UCvPixel* color2, int block_size)
{
CheckerImageRect(img, color1, color2, block_size, NULL);
}
