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IFF: add support for CD-i YUVS chunk (and minor code improvements)

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This commit is contained in:
Mirco Miranda
2026-01-15 12:39:16 +01:00
parent 8224c0099d
commit 99e4223393
9 changed files with 98 additions and 15 deletions
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8
src/imageformats/iff.cpp
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@@ -334,7 +334,6 @@ bool IFFHandler::readStandardImage(QImage *image)
// show the first one (I don't have a sample with many images)
auto headers = IFFChunk::searchT<BMHDChunk>(form);
if (headers.isEmpty()) {
qCWarning(LOG_IFFPLUGIN) << "IFFHandler::readStandardImage(): no supported image found";
return false;
}
@@ -433,7 +432,6 @@ bool IFFHandler::readMayaImage(QImage *image)
// show the first one (I don't have a sample with many images)
auto headers = IFFChunk::searchT<TBHDChunk>(form);
if (headers.isEmpty()) {
qCWarning(LOG_IFFPLUGIN) << "IFFHandler::readMayaImage(): no supported image found";
return false;
}
@@ -494,7 +492,6 @@ bool IFFHandler::readCDIImage(QImage *image)
// show the first one (I don't have a sample with many images)
auto headers = IFFChunk::searchT<IHDRChunk>(form);
if (headers.isEmpty()) {
qCWarning(LOG_IFFPLUGIN) << "IFFHandler::readCDIImage(): no supported image found";
return false;
}
@@ -525,9 +522,12 @@ bool IFFHandler::readCDIImage(QImage *image)
return false;
}
auto pars = IFFChunk::searchT<IPARChunk>(form);
auto yuvs = IFFChunk::searchT<YUVSChunk>(form);
for (auto y = 0, h = img.height(); y < h; ++y) {
auto line = reinterpret_cast<char*>(img.scanLine(y));
auto ba = body->strideRead(device(), y, header, pars.isEmpty() ? nullptr : pars.first());
auto ba = body->strideRead(device(), y, header,
pars.isEmpty() ? nullptr : pars.first(),
yuvs.isEmpty() ? nullptr : yuvs.first());
if (ba.isEmpty()) {
qCWarning(LOG_IFFPLUGIN) << "IFFHandler::readCDIImage(): error while reading image scanline";
return false;