void ImageGetter::resizeJPGImage(std::string const& imageURL, int sixex, int sizey)
{
boost::gil::rgb8_image_t img;
jpeg_read_image(imageURL,img);
boost::gil::rgb8_image_t targetImageSize(sixex,sizey);
resize_view(const_view(img), view(targetImageSize), boost::gil::bilinear_sampler());
jpeg_write_view(imageURL,const_view(targetImageSize));
}
void boost_parse_image(std::string filename, size_t& width, size_t& height, size_t& channels, Format& format, size_t& image_data_size, std::string format_string) {
typedef boost::mpl::vector<gray8_image_t, gray16_image_t, rgb8_image_t, rgb16_image_t> my_img_types;
any_image<my_img_types> src_image;
if (format_string == "JPG"){
jpeg_read_image(filename, src_image);
format = Format::JPG;
} else if (format_string == "PNG"){
png_read_image(filename, src_image);
format = Format::PNG;
} else{
if (boost::algorithm::ends_with(filename, "jpg") ||
boost::algorithm::ends_with(filename, "jpeg")) {
jpeg_read_image(filename, src_image);
format = Format::JPG;
} else if (boost::algorithm::ends_with(filename, "png")){
png_read_image(filename, src_image);
format = Format::PNG;
} else {
log_and_throw(std::string("Unsupported format."));
}
}
// create a view of the image
auto src_view = const_view(src_image);
// extract image information
width = src_view.width();
height = src_view.height();
channels = src_view.num_channels();
image_data_size = width*height*channels;
// Debug
// std::cout << "Read image "<< filename << "\n"
// << "width: " << width << "\n"
// << "height: " << height << "\n"
// << "num_channels " << channels << "\n"
// << std::endl;
}
inline void jpeg_read_image(const std::string& filename,Image& im) {
jpeg_read_image(filename.c_str(),im);
}
