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PSD: fix test failure on some systems and fix wrong check on alpha conversion

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- Fix PSD alpha conversion
- Fix autoread test to use also TIFF images
This commit is contained in:
Mirco Miranda
2023-04-18 22:14:41 +00:00
committed by Albert Astals Cid
parent e1a3751936
commit 41f0411b62
4 changed files with 9 additions and 5 deletions
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autotests/read/psd/birthday.png
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autotests/readtest.cpp
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@ -159,17 +159,22 @@ int main(int argc, char **argv)
QTextStream(stdout) << "* Run on RANDOM ACCESS device\n";
}
for (const QFileInfo &fi : lstImgDir) {
if (!fi.suffix().compare("png", Qt::CaseInsensitive)) {
if (!fi.suffix().compare("png", Qt::CaseInsensitive) || !fi.suffix().compare("tif", Qt::CaseInsensitive)) {
continue;
}
int suffixPos = fi.filePath().size() - suffix.size();
QString inputfile = fi.filePath();
QString expfile = fi.filePath().replace(suffixPos, suffix.size(), QStringLiteral("png"));
QString fmt = QStringLiteral("png");
QString expfile = fi.filePath().replace(suffixPos, suffix.size(), fmt);
if (!QFile::exists(expfile)) { // try with tiff
fmt = QStringLiteral("tif");
expfile = fi.filePath().replace(suffixPos, suffix.size(), fmt);
}
QString expfilename = QFileInfo(expfile).fileName();
std::unique_ptr<QIODevice> inputDevice(seq ? new SequentialFile(inputfile) : new QFile(inputfile));
QImageReader inputReader(inputDevice.get(), format);
QImageReader expReader(expfile, "png");
QImageReader expReader(expfile, fmt.toLatin1());
QImage inputImage;
QImage expImage;

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src/imageformats/psd.cpp
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@ -865,7 +865,6 @@ inline void premulConversion(char *stride, qint32 width, qint32 ac, qint32 cn, c
for (qint32 x = 0; x < width; ++x) {
auto xcn = x * cn;
auto alpha = *(s + xcn + ac);
if (alpha > 0)
*(s + xcn + c) = *(s + xcn + c) + alpha - max;
}
}