KImage * ColorTransfer::applyRecoloring() {
FILE *fp = fopen("total_time.txt", "w");
clock_t end, start;
double time = 0.0f;
start = clock();
generateRotationMatrix();
assert(_pdfTransfer); //the one that was allocated in constructor(see above!)
if (_pdfTransfer->NDPdfTransfer(_inputImage, _palette, _rotations) != true) {
printf("Error in applying NDPdfTransfer for image. Exiting...\n");
exit(1);
}
if (this->saveImage() == false) {
printf("Error in saving image for color transfer. Exiting...\n");
exit(1);
}
end = clock();
time = (double) (end - start) / CLOCKS_PER_SEC;
fprintf(fp, "It took %.2f sec to perform color transfer for: \n"
"input image ->>> height=%d, width=%d\n"
"palette image ->>> height=%d, width=%d\n"
"with %d iterations.\n",
time, _input->GetHeight(), _input->GetWidth(),
_paletteImage->GetHeight(), _paletteImage->GetWidth(), _iterations);
fclose(fp);
return this->_gradedImage;
}
void glutMotion(int x, int y)
{
if (gIsRotatingCamera)
{
static const double kTrackBallRadius = 0.8;
Vec3d lastPos;
lastPos[0] = gLastMouseX * 2.0 / gWindowWidth - 1.0;
lastPos[1] = (gWindowHeight - gLastMouseY) * 2.0 / gWindowHeight - 1.0;
lastPos[2] = projectToTrackball(kTrackBallRadius, lastPos[0], lastPos[1]);
Vec3d currPos;
currPos[0] = x * 2.0 / gWindowWidth - 1.0;
currPos[1] = (gWindowHeight - y) * 2.0 / gWindowHeight - 1.0;
currPos[2] = projectToTrackball(kTrackBallRadius, currPos[0], currPos[1]);
currPos.normalize();
lastPos.normalize();
Vec3d rotateVec = lastPos.cross(currPos);
double rotateAngle = asin(rotateVec.norm());
if (fabs(rotateAngle) > 1e-6)
{
double deltaRotation[16];
generateRotationMatrix(deltaRotation, rotateAngle, rotateVec[0], rotateVec[1], rotateVec[2]);
multRight(gCameraRotation, deltaRotation);
updateCamera();
}
}
else if (gIsScalingCamera)
{
float y1 = gWindowHeight - gLastMouseY;
float y2 = gWindowHeight - y;
gCameraScale *= 1 + (y1 - y2) / gWindowHeight;
updateCamera();
}
gLastMouseX = x;
gLastMouseY = y;
}
