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This commit is contained in:
Fedor Morozov
2013-07-19 00:23:49 +04:00
parent a29ce401d5
commit ec668ce3a7
5 changed files with 130 additions and 53 deletions
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21
modules/highgui/src/grfmt_hdr.cpp
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@@ -78,17 +78,19 @@ bool HdrDecoder::readHeader()
return true;
}
bool HdrDecoder::readData(Mat& img)
bool HdrDecoder::readData(Mat& _img)
{
Mat img(m_height, m_width, CV_32FC3);
if(!file) {
readHeader();
}
if(img.cols != m_width || img.rows != m_height ||
img.type() != CV_32FC3) {
CV_Error(Error::StsError, "HDR decoder: bad mat");
}
RGBE_ReadPixels_RLE(file, const_cast<float*>(img.ptr<float>()), img.cols, img.rows);
fclose(file); file = NULL;
if(_img.depth() == img.depth()) {
img.convertTo(_img, _img.type());
} else {
img.convertTo(_img, _img.type(), 255);
}
return true;
}
@@ -115,10 +117,13 @@ HdrEncoder::~HdrEncoder()
{
}
bool HdrEncoder::write( const Mat& img, const std::vector<int>& params )
bool HdrEncoder::write( const Mat& _img, const std::vector<int>& params )
{
if(img.type() != CV_32FC3) {
CV_Error(Error::StsBadArg, "HDR encoder: need 32FC3 mat");
Mat img;
if(_img.depth() == CV_32F) {
_img.convertTo(img, CV_32FC3);
} else {
_img.convertTo(img, CV_32FC3, 1/255.0f);
}
if(!(params.empty() || params[0] == HDR_NONE || params[0] == HDR_RLE)) {
CV_Error(Error::StsBadArg, "HDR encoder: wrong compression param");