void ofPixels_<PixelType>::setFromAlignedPixels(const PixelType * newPixels, int width, int height, ofPixelFormat _pixelFormat, std::vector<int> strides) {
int channels = channelsFromPixelFormat(_pixelFormat);
if(channels==0) return;
switch(pixelFormat){
case OF_PIXELS_I420: {
if(strides.size() != 3){
ofLogError("ofPixels") << "number of planes for I420 should be 3";
break;
}
if(width==strides[0] && width/2==strides[1] && width/2==strides[2]){
setFromPixels(newPixels,width,height,_pixelFormat);
return;
}
allocate(width, height, _pixelFormat);
const unsigned char* src = (unsigned char*) newPixels;
unsigned char* dst = (unsigned char*) pixels;
// Y Plane
for(int i = 0; i < height; i++) {
memcpy(dst, src, width);
src += strides[0];
dst += width;
}
// U Plane
for(int i = 0; i < height /2; i++){
memcpy(dst,src,width/2);
src += strides[1];
dst += width/2;
}
// V Plane
for(int i = 0; i < height /2; i++){
memcpy(dst,src,width/2);
src += strides[2];
dst += width/2;
}
break;
}
case OF_PIXELS_RGB:
case OF_PIXELS_RGBA:
case OF_PIXELS_GRAY:
case OF_PIXELS_GRAY_ALPHA:
setFromAlignedPixels(newPixels,width,height,_pixelFormat,strides[0]);
return;
default:
ofLogError("ofPixels") << "setFromAlignedPixels with planes strides: pixel format not supported yet";
break;
}
return;
}
void ofPixels_<PixelType>::setFromAlignedPixels(const PixelType * newPixels, int width, int height, int channels, int stride){
setFromAlignedPixels(newPixels,width,height,pixelFormatFromNumChannels(channels),stride);
}
void ofPixels::setFromAlignedPixels(unsigned char * newPixels,int w, int h, int bitsPerPixel, int widthStep){
ofImageType type = getImageTypeFromBits(bitsPerPixel);
setFromAlignedPixels(newPixels,w,h,type,widthStep);
}
