Files
tenmon/thumbnailer/main.cpp
T

63 lines
1.7 KiB
C++

#include <QCoreApplication>
#include <QCommandLineParser>
#include "../rawimage.h"
#include "../loadimage.h"
bool OpenGLES = false;
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QCommandLineParser parser;
parser.addOption({{"s", "size"}, "Size of the thumbnail in pixels (default: 128)", "size", "128"});
parser.addPositionalArgument("input", "Input image file");
parser.addPositionalArgument("output", "Output image file");
parser.addHelpOption();
parser.process(a);
QStringList args = parser.positionalArguments();
if(args.size() < 2)
return 1;
QString input = args[0];
QString output = args[1];
ImageInfoData info;
std::shared_ptr<RawImage> rawImage;
if(!loadImage(input, info, rawImage))
return 2;
if(!rawImage)
return 3;
bool ok;
int size = parser.value("s").toInt(&ok);
if(!ok)
size = 128;
QSize rect(rawImage->width(), rawImage->height());
rect.scale(size, size, Qt::KeepAspectRatio);
rawImage->calcStats();
rawImage->resize(rect.width(), rect.height());
if(rawImage->imageStats().m_median[0] < rawImage->norm() * 0.2f)
{
MTFParam mtfParams = rawImage->calcMTFParams(true);
rawImage->applySTF(mtfParams);
}
rawImage->convertToType(RawImage::UINT8);
QImage img;
if(rawImage->channels() == 1)
img = QImage((const uchar*)rawImage->data(), rawImage->width(), rawImage->height(), rawImage->widthBytes(), QImage::Format_Grayscale8);
else
img = QImage((const uchar*)rawImage->data(), rawImage->width(), rawImage->height(), rawImage->widthBytes(), QImage::Format_RGBA8888);
if(!img.save(output, "png"))
return 4;
return 0;
}