mirror/kimageformats
1
0
Fork 0
mirror of https://invent.kde.org/frameworks/kimageformats.git synced 2026-09-18 22:17:00 -04:00
Code Issues Packages Projects Releases Wiki Activity

EXR: RGB / YC subtype support

Browse Source
This commit is contained in:
Mirco Miranda
2026-09-04 18:40:44 +02:00
committed by Mirco Miranda
parent 05af59e819
commit 0862db49b8
3 changed files with 54 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/imageformats/exr.cpp
+31
View File
@@ -200,12 +200,17 @@ void K_OStream::seekg(Imf::Int64 pos)
m_dev->seek(pos);
}
#define EXR_SUBFORMAT_RGB QByteArray("RGB")
#define EXR_SUBFORMAT_YC QByteArray("YC")
EXRHandler::EXRHandler()
: m_compressionRatio(-1)
, m_quality(-1)
, m_imageNumber(0)
, m_imageCount(0)
, m_startPos(-1)
, m_subType(EXR_SUBFORMAT_RGB)
{
// Set the number of threads to use (0 is allowed)
Imf::setGlobalThreadCount(QThread::idealThreadCount() / 2);
@@ -688,6 +693,9 @@ bool EXRHandler::write(const QImage &image)
// write the EXR
K_OStream ostr(device());
auto channelsType = image.hasAlphaChannel() ? Imf::RgbaChannels::WRITE_RGBA : Imf::RgbaChannels::WRITE_RGB;
if (m_subType == EXR_SUBFORMAT_YC) {
channelsType = channelsType == Imf::RgbaChannels::WRITE_RGBA ? Imf::RgbaChannels::WRITE_YCA : Imf::RgbaChannels::WRITE_YC;
}
if (image.format() == QImage::Format_Mono ||
image.format() == QImage::Format_MonoLSB ||
image.format() == QImage::Format_Grayscale16 ||
@@ -743,6 +751,15 @@ void EXRHandler::setOption(ImageOption option, const QVariant &value)
m_quality = q;
}
}
if (option == QImageIOHandler::SubType) {
auto subType = value.toByteArray();
auto list = EXRHandler::option(QImageIOHandler::SupportedSubTypes).value<QList<QByteArray>>();
if (list.contains(subType)) {
m_subType = subType;
} else {
m_subType = EXR_SUBFORMAT_RGB;
}
}
}
bool EXRHandler::supportsOption(ImageOption option) const
@@ -761,6 +778,12 @@ bool EXRHandler::supportsOption(ImageOption option) const
if (option == QImageIOHandler::Quality) {
return true;
}
if (option == QImageIOHandler::SubType) {
return true;
}
if (option == QImageIOHandler::SupportedSubTypes) {
return true;
}
return false;
}
@@ -815,6 +838,14 @@ QVariant EXRHandler::option(ImageOption option) const
v = QVariant(m_quality);
}
if (option == QImageIOHandler::SupportedSubTypes) {
return QVariant::fromValue(QList<QByteArray>() << EXR_SUBFORMAT_RGB << EXR_SUBFORMAT_YC);
}
if (option == QImageIOHandler::SubType) {
return QVariant::fromValue(m_subType);
}
return v;
}