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Improve grayscale handling

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This commit is contained in:
Anton Thomasson 2020-11-30 20:46:26 +01:00
parent 657cd37269
commit 7913a6c306
1 changed files with 4 additions and 2 deletions
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6
src/convertworker.cpp
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@ -219,7 +219,7 @@ void ConvertWorker::convertPdf(QNetworkRequest request, QString filename, QTempo
QProcess* pdftoppm = new QProcess(this); QProcess* pdftoppm = new QProcess(this);
pdftoppm->setProgram("pdftoppm"); pdftoppm->setProgram("pdftoppm");
QStringList Pdf2PpmArgs = {"-rx", QString::number(HwResX), "-ry", QString::number(HwResY)}; QStringList Pdf2PpmArgs = {"-rx", QString::number(HwResX), "-ry", QString::number(HwResY)};
if(Colors != 3) if(Colors == 1)
{ {
Pdf2PpmArgs.append("-gray"); Pdf2PpmArgs.append("-gray");
} }
@ -410,7 +410,9 @@ void ConvertWorker::convertImage(QNetworkRequest request, QString filename, QTem
qDebug() << "All connected"; qDebug() << "All connected";
ppm2pwg->start(); ppm2pwg->start();
outImage.save(ppm2pwg, Colors == 1 ? "pgm" : "ppm"); bool gray = Colors == 0 ? inImage.allGray() : Colors == 1;
outImage.save(ppm2pwg, gray ? "pgm" : "ppm");
qDebug() << "Starting"; qDebug() << "Starting";