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Fix color conversion for Qt 5.12.5.

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This commit is contained in:
John Preston 2019-10-20 13:00:36 +04:00
parent e952c513d5
commit 3ae7f9f93d
1 changed files with 26 additions and 44 deletions
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70
Telegram/SourceFiles/ffmpeg/ffmpeg_utility.cpp
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@ -48,55 +48,37 @@ void AlignedImageBufferCleanupHandler(void* data) {
}
void UnPremultiplyLine(uchar *dst, const uchar *src, int intsCount) {
#ifndef TDESKTOP_OFFICIAL_TARGET // #TODO 5.12.5
const auto layout = &qPixelLayouts[QImage::Format_ARGB32];
const auto convert = layout->convertFromARGB32PM;
#else // TDESKTOP_OFFICIAL_TARGET
const auto layout = nullptr;
const auto convert = [](
uint *dst,
const uint *src,
int count,
std::nullptr_t,
std::nullptr_t) {
for (auto i = 0; i != count; ++i) {
dst[i] = qUnpremultiply(src[i]);
}
};
#endif // TDESKTOP_OFFICIAL_TARGET
[[maybe_unused]] const auto udst = reinterpret_cast<uint*>(dst);
const auto usrc = reinterpret_cast<const uint*>(src);
convert(
reinterpret_cast<uint*>(dst),
reinterpret_cast<const uint*>(src),
intsCount,
layout,
nullptr);
#ifndef TDESKTOP_OFFICIAL_TARGET
for (auto i = 0; i != intsCount; ++i) {
udst[i] = qUnpremultiply(usrc[i]);
}
#elif QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
static const auto layout = &qPixelLayouts[QImage::Format_ARGB32];
layout->convertFromARGB32PM(udst, usrc, intsCount, layout, nullptr);
#else // Qt >= 5.12
static const auto layout = &qPixelLayouts[QImage::Format_ARGB32];
layout->storeFromARGB32PM(dst, usrc, 0, intsCount, nullptr, nullptr);
#endif // Qt >= 5.12
}
void PremultiplyLine(uchar *dst, const uchar *src, int intsCount) {
#ifndef TDESKTOP_OFFICIAL_TARGET // #TODO 5.12.5
const auto layout = &qPixelLayouts[QImage::Format_ARGB32];
const auto convert = layout->convertToARGB32PM;
#else // TDESKTOP_OFFICIAL_TARGET
const auto layout = nullptr;
const auto convert = [](
uint *dst,
const uint *src,
int count,
std::nullptr_t,
std::nullptr_t) {
for (auto i = 0; i != count; ++i) {
dst[i] = qPremultiply(src[i]);
}
};
#endif // TDESKTOP_OFFICIAL_TARGET
const auto udst = reinterpret_cast<uint*>(dst);
[[maybe_unused]] const auto usrc = reinterpret_cast<const uint*>(src);
convert(
reinterpret_cast<uint*>(dst),
reinterpret_cast<const uint*>(src),
intsCount,
layout,
nullptr);
#ifndef TDESKTOP_OFFICIAL_TARGET
for (auto i = 0; i != count; ++i) {
dst[i] = qPremultiply(src[i]);
}
#elif QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
static const auto layout = &qPixelLayouts[QImage::Format_ARGB32];
layout->convertToARGB32PM(udst, usrc, intsCount, layout, nullptr);
#else // Qt >= 5.12
static const auto layout = &qPixelLayouts[QImage::Format_ARGB32];
layout->fetchToARGB32PM(udst, src, 0, intsCount, nullptr, nullptr);
#endif // Qt >= 5.12
}
} // namespace