mirror/kimageformats
1
0
Fork 0
mirror of https://invent.kde.org/frameworks/kimageformats.git synced 2026-03-22 07:39:48 -04:00
Code Issues Packages Projects Releases Wiki Activity

Resolution calculations performed by functions

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

14
src/imageformats/pcx.cpp
View File

@ -888,8 +888,14 @@ bool PCXHandler::read(QImage *outImage)
return false;
}
img.setDotsPerMeterX(qRound(header.HDpi / 25.4 * 1000));
img.setDotsPerMeterY(qRound(header.YDpi / 25.4 * 1000));
auto hres = dpi2ppm(header.HDpi);
if (hres > 0) {
img.setDotsPerMeterX(hres);
}
auto vres = dpi2ppm(header.YDpi);
if (vres > 0) {
img.setDotsPerMeterY(vres);
}
*outImage = img;
return true;
}
@ -915,8 +921,8 @@ bool PCXHandler::write(const QImage &image)
header.YMin = 0;
header.XMax = w - 1;
header.YMax = h - 1;
header.HDpi = qRound(image.dotsPerMeterX() * 25.4 / 1000);
header.YDpi = qRound(image.dotsPerMeterY() * 25.4 / 1000);
header.HDpi = qRoundOrZero_T<quint16>(dppm2dpi(image.dotsPerMeterX()));
header.YDpi = qRoundOrZero_T<quint16>(dppm2dpi(image.dotsPerMeterY()));
header.Reserved = 0;
header.PaletteInfo = 1;