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Minor cleanups

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This commit is contained in:
Flössie
2019-09-11 09:16:06 +02:00
parent 4312e68265
commit 9a020899a3
1 changed files with 59 additions and 36 deletions
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79
rtengine/iptransform.cc
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@@ -16,16 +16,21 @@
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
*/
#include "rtengine.h"
#include "improcfun.h"
#include "procparams.h"
#include <array>
#ifdef _OPENMP
#include <omp.h>
#endif
#include "improcfun.h"
#include "mytime.h"
#include "procparams.h"
#include "rt_math.h"
#include "sleef.c"
#include "rtengine.h"
#include "rtlensfun.h"
#include "sleef.c"
#define BENCHMARK
#include "StopWatch.h"
@@ -859,29 +864,45 @@ void ImProcFunctions::transformGeneral(bool highQuality, Imagefloat *original, I
const bool enablePerspective = needsPerspective();
const bool enableDistortion = needsDistortion();
const double w2 = (double) oW / 2.0 - 0.5;
const double h2 = (double) oH / 2.0 - 0.5;
const double w2 = static_cast<double>(oW) / 2.0 - 0.5;
const double h2 = static_cast<double>(oH) / 2.0 - 0.5;
double vig_w2, vig_h2, maxRadius, v, b, mul;
calcVignettingParams(oW, oH, params->vignetting, vig_w2, vig_h2, maxRadius, v, b, mul);
struct grad_params gp;
grad_params gp;
if (enableGradient) {
calcGradientParams(oW, oH, params->gradient, gp);
}
struct pcv_params pcv;
pcv_params pcv;
if (enablePCVignetting) {
calcPCVignetteParams(fW, fH, oW, oH, params->pcvignette, params->crop, pcv);
}
float** chOrig[3] = {original->r.ptrs, original->g.ptrs, original->b.ptrs};
float** chTrans[3] = {transformed->r.ptrs, transformed->g.ptrs, transformed->b.ptrs};
const std::array<const float* const*, 3> chOrig = {
original->r.ptrs,
original->g.ptrs,
original->b.ptrs
};
const std::array<float* const*, 3> chTrans = {
transformed->r.ptrs,
transformed->g.ptrs,
transformed->b.ptrs
};
// auxiliary variables for c/a correction
const double chDist[3] = {enableCA ? params->cacorrection.red : 0.0, 0.0, enableCA ? params->cacorrection.blue : 0.0};
const std::array<double, 3> chDist = {
enableCA
? params->cacorrection.red
: 0.0,
0.0,
enableCA
? params->cacorrection.blue
: 0.0
};
// auxiliary variables for distortion correction
const double distAmount = params->distortion.amount;
@@ -895,14 +916,16 @@ void ImProcFunctions::transformGeneral(bool highQuality, Imagefloat *original, I
const double vpalpha = (90.0 - vpdeg) / 180.0 * rtengine::RT_PI;
const double vpteta = fabs(vpalpha - rtengine::RT_PI / 2) < 3e-4 ? 0.0 : acos((vpdeg > 0 ? 1.0 : -1.0) * sqrt((-SQR(oW * tan(vpalpha)) + (vpdeg > 0 ? 1.0 : -1.0) *
oW * tan(vpalpha) * sqrt(SQR(4 * maxRadius) + SQR(oW * tan(vpalpha)))) / (SQR(maxRadius) * 8)));
const double vpcospt = (vpdeg >= 0 ? 1.0 : -1.0) * cos(vpteta), vptanpt = tan(vpteta);
const double vpcospt = (vpdeg >= 0 ? 1.0 : -1.0) * cos(vpteta);
const double vptanpt = tan(vpteta);
// auxiliary variables for horizontal perspective correction
const double hpdeg = params->perspective.horizontal / 100.0 * 45.0;
const double hpalpha = (90.0 - hpdeg) / 180.0 * rtengine::RT_PI;
const double hpteta = fabs(hpalpha - rtengine::RT_PI / 2) < 3e-4 ? 0.0 : acos((hpdeg > 0 ? 1.0 : -1.0) * sqrt((-SQR(oH * tan(hpalpha)) + (hpdeg > 0 ? 1.0 : -1.0) *
oH * tan(hpalpha) * sqrt(SQR(4 * maxRadius) + SQR(oH * tan(hpalpha)))) / (SQR(maxRadius) * 8)));
const double hpcospt = (hpdeg >= 0 ? 1.0 : -1.0) * cos(hpteta), hptanpt = tan(hpteta);
const double hpcospt = (hpdeg >= 0 ? 1.0 : -1.0) * cos(hpteta);
const double hptanpt = tan(hpteta);
const double ascale = params->commonTrans.autofill ? getTransformAutoFill(oW, oH, pLCPMap) : 1.0;
@@ -915,9 +938,10 @@ void ImProcFunctions::transformGeneral(bool highQuality, Imagefloat *original, I
#pragma omp parallel for schedule(dynamic, 16) if(multiThread)
#endif
for (int y = 0; y < transformed->getHeight(); y++) {
for (int x = 0; x < transformed->getWidth(); x++) {
double x_d = x, y_d = y;
for (int y = 0; y < transformed->getHeight(); ++y) {
for (int x = 0; x < transformed->getWidth(); ++x) {
double x_d = x;
double y_d = y;
if (enableLCPDist) {
pLCPMap->correctDistortion(x_d, y_d, cx, cy, ascale); // must be first transform
@@ -944,14 +968,14 @@ void ImProcFunctions::transformGeneral(bool highQuality, Imagefloat *original, I
const double Dyc = x_d * sint + y_d * cost;
// distortion correction
double s = 1;
double s = 1.0;
if (enableDistortion) {
double r = sqrt(Dxc * Dxc + Dyc * Dyc) / maxRadius;
const double r = sqrt(Dxc * Dxc + Dyc * Dyc) / maxRadius;
s = 1.0 - distAmount + distAmount * r;
}
for (int c = 0; c < (enableCA ? 3 : 1); c++) {
for (int c = 0; c < (enableCA ? 3 : 1); ++c) {
double Dx = Dxc * (s + chDist[c]);
double Dy = Dyc * (s + chDist[c]);
@@ -960,16 +984,15 @@ void ImProcFunctions::transformGeneral(bool highQuality, Imagefloat *original, I
Dy += h2;
// Extract integer and fractions of source screen coordinates
int xc = (int)Dx;
Dx -= (double)xc;
int xc = Dx;
Dx -= xc;
xc -= sx;
int yc = (int)Dy;
Dy -= (double)yc;
int yc = Dy;
Dy -= yc;
yc -= sy;
// Convert only valid pixels
if (yc >= 0 && yc < original->getHeight() && xc >= 0 && xc < original->getWidth()) {
// multiplier for vignetting correction
double vignmul = 1.0;
@@ -1007,10 +1030,10 @@ void ImProcFunctions::transformGeneral(bool highQuality, Imagefloat *original, I
}
} else {
// edge pixels
int y1 = LIM(yc, 0, original->getHeight() - 1);
int y2 = LIM(yc + 1, 0, original->getHeight() - 1);
int x1 = LIM(xc, 0, original->getWidth() - 1);
int x2 = LIM(xc + 1, 0, original->getWidth() - 1);
const int y1 = LIM(yc, 0, original->getHeight() - 1);
const int y2 = LIM(yc + 1, 0, original->getHeight() - 1);
const int x1 = LIM(xc, 0, original->getWidth() - 1);
const int x2 = LIM(xc + 1, 0, original->getWidth() - 1);
if (enableCA) {
chTrans[c][y][x] = vignmul * (chOrig[c][y1][x1] * (1.0 - Dx) * (1.0 - Dy) + chOrig[c][y1][x2] * Dx * (1.0 - Dy) + chOrig[c][y2][x1] * (1.0 - Dx) * Dy + chOrig[c][y2][x2] * Dx * Dy);