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Fixed wrong plugin options behaviour

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While working on MR !230 I noticed that the options read I entered into several plugins could not be read after reading the image.

**The patch fixes problems reading options in plugins and adds option checking in the readtest.cpp.**

In particular, the reading test does the following additional actions:
- reads options before reading the image;
- compare the options read with the options returned by the reader after reading the image;
- compares the format and size of the returned image with the format and size returned by the reader.
This commit is contained in:
Mirco Miranda
2024-06-19 22:18:45 +00:00
committed by Albert Astals Cid
parent 81b7263d73
commit b849e48ef4
18 changed files with 368 additions and 87 deletions
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10
src/imageformats/hdr.cpp
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@ -269,13 +269,13 @@ bool HDRHandler::read(QImage *outImage)
{
QDataStream s(device());
QSize size = readHeaderSize(s.device());
if (!size.isValid()) {
m_imageSize = readHeaderSize(s.device());
if (!m_imageSize.isValid()) {
return false;
}
QImage img;
if (!LoadHDR(s, size.width(), size.height(), img)) {
if (!LoadHDR(s, m_imageSize.width(), m_imageSize.height(), img)) {
// qDebug() << "Error loading HDR file.";
return false;
}
@ -303,7 +303,9 @@ QVariant HDRHandler::option(ImageOption option) const
QVariant v;
if (option == QImageIOHandler::Size) {
if (auto d = device()) {
if (!m_imageSize.isEmpty()) {
v = QVariant::fromValue(m_imageSize);
} else if (auto d = device()) {
// transactions works on both random and sequential devices
d->startTransaction();
auto size = readHeaderSize(d);