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Avoid unnecessary copy of variable

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This commit is contained in:
Alexander Brock
2023-02-22 13:52:06 +01:00
parent 20f3b33c5f
commit 6ed53affda
1 changed files with 8 additions and 10 deletions
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18
rtengine/iptransform.cc
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@@ -524,17 +524,16 @@ bool ImProcFunctions::transCoord (int W, int H, const std::vector<Coord2D> &src,
x_d /= params->perspective.camera_scale; x_d /= params->perspective.camera_scale;
y_d /= params->perspective.camera_scale; y_d /= params->perspective.camera_scale;
if (params->perspective.camera_defish) { if (params->perspective.camera_defish) {
const double focal_source = const double focal =
params->perspective.camera_focal_length * params->perspective.camera_focal_length *
maxRadius * maxRadius *
focal_length_in_px_factor * focal_length_in_px_factor *
params->perspective.camera_crop_factor; params->perspective.camera_crop_factor;
double focal_dst = focal_source; x_d /= focal;
x_d /= focal_dst; y_d /= focal;
y_d /= focal_dst;
const double r = std::sqrt(x_d * x_d + y_d * y_d); const double r = std::sqrt(x_d * x_d + y_d * y_d);
const double factor = focal_source * std::atan(r) / r; const double factor = focal * std::atan(r) / r;
x_d *= factor; x_d *= factor;
y_d *= factor; y_d *= factor;
@@ -1268,17 +1267,16 @@ void ImProcFunctions::transformGeneral(bool highQuality, Imagefloat *original, I
x_d /= params->perspective.camera_scale; x_d /= params->perspective.camera_scale;
y_d /= params->perspective.camera_scale; y_d /= params->perspective.camera_scale;
if (params->perspective.camera_defish) { if (params->perspective.camera_defish) {
const double focal_source = const double focal =
params->perspective.camera_focal_length * params->perspective.camera_focal_length *
maxRadius * maxRadius *
focal_length_in_px_factor * focal_length_in_px_factor *
params->perspective.camera_crop_factor; params->perspective.camera_crop_factor;
double focal_dst = focal_source; x_d /= focal;
x_d /= focal_dst; y_d /= focal;
y_d /= focal_dst;
const double r = std::sqrt(x_d * x_d + y_d * y_d); const double r = std::sqrt(x_d * x_d + y_d * y_d);
const double factor = focal_source * std::atan(r)/r; const double factor = focal * std::atan(r)/r;
x_d *= factor; x_d *= factor;
y_d *= factor; y_d *= factor;