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Cleaned up RAW white point simulation in thumbs

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This commit is contained in:
Oliver Duis
2011-06-11 11:45:35 +02:00
parent 72923977dd
commit 08a7886e27
2 changed files with 12 additions and 13 deletions
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2
rtengine/expo_before_b.cc
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@@ -37,7 +37,7 @@ void RawImageSource::processRawWhitepoint(float expos, float preser) {
int width=W, height=H;
// exposure correction inspired from G.Luijk
if (preser==0.0) {
if (fabs(preser)<0.001) {
// No highlight protection - simple mutiplication
#pragma omp parallel for shared(expos)
for (int row=0;row<height;row++)

23
rtengine/rtthumbnail.cc
View File

@@ -607,8 +607,17 @@ IImage8* Thumbnail::processImage (const procparams::ProcParams& params, int rhei
else {
rmi = 1024.0 * rm / mul_lum;
gmi = 1024.0 * gm / mul_lum;
bmi = 1024.0 * bm / mul_lum;
bmi = 1024.0 * bm / mul_lum;
}
// The RAW exposure is not reflected since it's done in preprocessing. If we only have e.g. the chached thumb,
// that is already preprocessed. So we simulate the effect here roughly my modifying the exposure accordingly
if (isRaw && fabs(1.0-params.raw.expos)>0.001) {
rmi*=params.raw.expos;
gmi*=params.raw.expos;
bmi*=params.raw.expos;
}
// resize to requested width and perform coarse transformation
int rwidth;
if (params.coarse.rotate==90 || params.coarse.rotate==270) {
@@ -619,9 +628,6 @@ IImage8* Thumbnail::processImage (const procparams::ProcParams& params, int rhei
rwidth = thumbImg->width * rheight / thumbImg->height;
Image16* resImg = thumbImg->resize (rwidth, rheight, interp);
//Imagefloat* baseImg = resImg->tofloat();
//Image16* baseImg = thumbImg->resize (rwidth, rheight, interp);
if (params.coarse.rotate) {
Image16* tmp = resImg->rotate (params.coarse.rotate);
@@ -629,21 +635,18 @@ IImage8* Thumbnail::processImage (const procparams::ProcParams& params, int rhei
rheight = tmp->height;
delete resImg;
resImg = tmp;
//delete tmp;
}
if (params.coarse.hflip) {
Image16* tmp = resImg->hflip ();
delete resImg;
resImg = tmp;
//delete tmp;
}
if (params.coarse.vflip) {
Image16* tmp = resImg->vflip ();
delete resImg;
resImg = tmp;
//delete tmp;
}
// apply white balance
// apply white balance and raw white point (simulated)
int val;
for (int i=0; i<rheight; i++)
for (int j=0; j<rwidth; j++) {
@@ -712,10 +715,6 @@ IImage8* Thumbnail::processImage (const procparams::ProcParams& params, int rhei
if (params.toneCurve.autoexp && aeHistogram)
ipf.getAutoExp (aeHistogram, aeHistCompression, logDefGain, params.toneCurve.clip, br, bl);
// The RAW exposure is not reflected since it's done in preprocessing. If we only have e.g. the chached thumb,
// that is already preprocessed. So we simulate the effect here roughly my modifying the exposure accordingly
if (params.raw.expos!=1) br += (params.raw.expos-1.0);
LUTf curve1 (65536);
LUTf curve2 (65536);
LUTf curve (65536);