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Resolution calculations performed by functions

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Added functions for dpi <-> ppm transformations and used in all plugins.
This commit is contained in:
Mirco Miranda
2025-09-17 12:22:44 +02:00
parent 14286a6ab0
commit a4e18734bd
10 changed files with 120 additions and 68 deletions
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10
src/imageformats/exr.cpp
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@ -288,8 +288,14 @@ static void readMetadata(const Imf::Header &header, QImage &image)
if (auto pixelAspectRatio = header.findTypedAttribute<Imf::FloatAttribute>("pixelAspectRatio")) {
par = pixelAspectRatio->value();
}
image.setDotsPerMeterX(qRound(xDensity->value() * 100.0 / 2.54));
image.setDotsPerMeterY(qRound(xDensity->value() * par * 100.0 / 2.54));
auto hres = dpi2ppm(xDensity->value());
if (hres > 0) {
image.setDotsPerMeterX(hres);
}
auto vres = dpi2ppm(xDensity->value() * par);
if (vres > 0) {
image.setDotsPerMeterY(vres);
}
}
// Non-standard attribute