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Allow LibRaw to get white level while loading data

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The function for loading the image data from Minolta RD175 raw images
sets the white level. Make use of this white level.
This commit is contained in:
Lawrence Lee 2025-03-09 23:10:09 -07:00
parent 484e8b57b8
commit 6be56f2145
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1 changed files with 10 additions and 0 deletions
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10
rtengine/rawimage.cc
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@ -796,12 +796,22 @@ int RawImage::loadRaw(bool loadData, unsigned int imageNum, bool closeFile, Prog
#ifdef LIBRAW_USE_OPENMP
MyMutex::MyLock lock(*librawMutex);
#endif
// For some cameras like Minolta RD175, the real white level is
// read with LibRaw::unpack(). Here, we initialize LibRaw's
// maximum with the value read earlier. Later, we read the value
// back in case it has changed.
libraw->imgdata.color.maximum = maximum;
err = libraw->unpack();
}
if (err) {
return err;
}
// Update white level in case LibRaw::unpack() read a new value.
maximum = libraw->imgdata.color.maximum;
auto &rd = libraw->imgdata.rawdata;
raw_image = rd.raw_image;
if (rd.float_image) {