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lensfun: take the focal length from the lens (if a prime) when there is no exif info about it

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This commit is contained in:
Alberto Griggio
2017-09-09 18:41:47 +02:00
parent 13c4b0c284
commit 0c0f3d146d
1 changed files with 16 additions and 3 deletions
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19
rtengine/rtlensfun.cc
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@@ -306,10 +306,14 @@ LFModifier *LFDatabase::getModifier(const LFCamera &camera, const LFLens &lens,
int width, int height, bool swap_xy) const
{
LFModifier *ret = nullptr;
if (data_ && focalLen > 0) {
if (data_) {
if (camera.ok() && lens.ok()) {
lfModifier *mod = lfModifier::Create(lens.data_, camera.getCropFactor(), width, height);
int flags = mod->Initialize(lens.data_, LF_PF_F32, focalLen, aperture, focusDist > 0 ? focusDist : 1000, 0.0, LF_RECTILINEAR, LF_MODIFY_VIGNETTING | LF_MODIFY_DISTORTION | LF_MODIFY_SCALE, false);
int flags = LF_MODIFY_DISTORTION | LF_MODIFY_SCALE;
if (aperture > 0) {
flags |= LF_MODIFY_VIGNETTING;
}
flags = mod->Initialize(lens.data_, LF_PF_F32, focalLen, aperture, focusDist > 0 ? focusDist : 1000, 0.0, LF_RECTILINEAR, flags, false);
ret = new LFModifier(mod, swap_xy, flags);
}
}
@@ -321,7 +325,11 @@ LFModifier *LFDatabase::findModifier(const LensProfParams &lensProf, const Image
{
const LFDatabase *db = getInstance();
Glib::ustring make, model, lens;
float focallen = idata->getFocalLen();
if (lensProf.lfAutoMatch) {
if (focallen <= 0) {
return nullptr;
}
make = idata->getMake();
model = idata->getModel();
lens = idata->getLens();
@@ -332,6 +340,12 @@ LFModifier *LFDatabase::findModifier(const LensProfParams &lensProf, const Image
}
LFCamera c = db->findCamera(make, model);
LFLens l = db->findLens(lensProf.lfAutoMatch ? c : LFCamera(), lens);
if (focallen <= 0 && l.data_ && l.data_->MinFocal == l.data_->MaxFocal) {
focallen = l.data_->MinFocal;
}
if (focallen <= 0) {
return nullptr;
}
bool swap_xy = false;
if (rawRotationDeg >= 0) {
int rot = (coarse.rotate + rawRotationDeg) % 360;
@@ -343,7 +357,6 @@ LFModifier *LFDatabase::findModifier(const LensProfParams &lensProf, const Image
LFModifier *ret = db->getModifier(c, l, idata->getFocalLen(), idata->getFNumber(), idata->getFocusDist(), width, height, swap_xy);
if (settings->verbose) {
std::cout << "LENSFUN:\n"
<< " camera: " << c.getDisplayString() << "\n"