本文整理汇总了C++中FImage::resize方法的典型用法代码示例。如果您正苦于以下问题：C++ FImage::resize方法的具体用法？C++ FImage::resize怎么用？C++ FImage::resize使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FImage的用法示例。
在下文中一共展示了FImage::resize方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: runtime_error
SmallRemappedImageCache::MRemappedImage *
SmallRemappedImageCache::getRemapped(const PanoramaData& pano,
const PanoramaOptions & popts,
unsigned int imgNr,
vigra::Rect2D outputROI,
AppBase::MultiProgressDisplay& progress)
{
// always map to HDR mode. curve and exposure is applied in preview window, for speed
PanoramaOptions opts = popts;
opts.outputMode = PanoramaOptions::OUTPUT_HDR;
opts.outputExposureValue = 0.0;
// return old image, if already in cache and if it has changed since the last rendering
if (set_contains(m_images, imgNr)) {
// return cached image if the parameters of the image have not changed
SrcPanoImage oldParam = m_imagesParam[imgNr];
if (oldParam == pano.getSrcImage(imgNr)
&& m_panoOpts[imgNr].getHFOV() == opts.getHFOV()
&& m_panoOpts[imgNr].getWidth() == opts.getWidth()
&& m_panoOpts[imgNr].getHeight() == opts.getHeight()
&& m_panoOpts[imgNr].getProjection() == opts.getProjection()
&& m_panoOpts[imgNr].getProjectionParameters() == opts.getProjectionParameters()
)
{
DEBUG_DEBUG("using cached remapped image " << imgNr);
return m_images[imgNr];
}
}
ImageCache::getInstance().softFlush();
typedef BasicImageView<RGBValue<unsigned char> > BRGBImageView;
// typedef NumericTraits<PixelType>::RealPromote RPixelType;
// remap image
DEBUG_DEBUG("remapping image " << imgNr);
// load image
const SrcPanoImage & img = pano.getImage(imgNr);
ImageCache::EntryPtr e = ImageCache::getInstance().getSmallImage(img.getFilename().c_str());
if ( (e->image8->width() == 0) && (e->image16->width() == 0) && (e->imageFloat->width() == 0) ) {
throw std::runtime_error("could not retrieve small source image for preview generation");
}
Size2D srcImgSize;
if (e->image8->width() > 0)
srcImgSize = e->image8->size();
else if (e->image16->width() > 0)
srcImgSize = e->image16->size();
else
srcImgSize = e->imageFloat->size();
MRemappedImage *remapped = new MRemappedImage;
SrcPanoImage srcPanoImg = pano.getSrcImage(imgNr);
// adjust distortion parameters for small preview image
srcPanoImg.resize(srcImgSize);
FImage srcFlat;
// use complete image, by supplying an empty mask image
BImage srcMask;
if (img.getVigCorrMode() & SrcPanoImage::VIGCORR_FLATFIELD) {
ImageCache::EntryPtr e = ImageCache::getInstance().getSmallImage(img.getFlatfieldFilename().c_str());
if (!e) {
throw std::runtime_error("could not retrieve flatfield image for preview generation");
}
if (e->image8->width()) {
srcFlat.resize(e->image8->size());
copyImage(srcImageRange(*(e->image8),
RGBToGrayAccessor<RGBValue<UInt8> >()),
destImage(srcFlat));
} else if (e->image16->width()) {
srcFlat.resize(e->image16->size());
copyImage(srcImageRange(*(e->image16),
RGBToGrayAccessor<RGBValue<vigra::UInt16> >()),
destImage(srcFlat));
} else {
srcFlat.resize(e->imageFloat->size());
copyImage(srcImageRange(*(e->imageFloat),
RGBToGrayAccessor<RGBValue<float> >()),
destImage(srcFlat));
}
}
progress.pushTask(AppBase::ProgressTask("remapping", "", 0));
// compute the bounding output rectangle here!
vigra::Rect2D outROI = estimateOutputROI(pano, opts, imgNr);
DEBUG_DEBUG("srcPanoImg size: " << srcPanoImg.getSize() << " pano roi:" << outROI);
if (e->imageFloat->width()) {
// remap image
remapImage(*(e->imageFloat),
srcMask,
srcFlat,
srcPanoImg,
opts,
outROI,
*remapped,
progress);
//.........这里部分代码省略.........