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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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20
src/imageformats/xcf.cpp
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@@ -55,8 +55,6 @@ Q_LOGGING_CATEGORY(XCFPLUGIN, "kf.imageformats.plugins.xcf", QtWarningMsg)
#define DISABLE_TILE_PROFILE_CONV // default uncommented (comment to use the conversion as intended by Martin)
#define DISABLE_IMAGE_PROFILE_CONV // default uncommented (comment to use the conversion as intended by Martin)
const float INCHESPERMETER = (100.0f / 2.54f);
namespace
{
struct RandomTable {
@@ -2722,17 +2720,13 @@ bool XCFImageFormat::initializeImage(XCFImage &xcf_image)
}
#endif
if (xcf_image.x_resolution > 0 && xcf_image.y_resolution > 0) {
const float dpmx = xcf_image.x_resolution * INCHESPERMETER;
if (dpmx > float(std::numeric_limits<int>::max())) {
return false;
}
const float dpmy = xcf_image.y_resolution * INCHESPERMETER;
if (dpmy > float(std::numeric_limits<int>::max())) {
return false;
}
image.setDotsPerMeterX((int)dpmx);
image.setDotsPerMeterY((int)dpmy);
const qint32 dpmx = dpi2ppm(xcf_image.x_resolution);
if (dpmx > 0) {
image.setDotsPerMeterX(dpmx);
}
const qint32 dpmy = dpi2ppm(xcf_image.y_resolution);
if (dpmy > 0) {
image.setDotsPerMeterY(dpmy);
}
return true;
}