void rbTexture2Rescale(RBTexture2 * pDestTex, RBTexture2 const * pSrcTex)
{
// This algorithm is very inefficient
size_t const dWidth = pDestTex->width;
size_t const dHeight = pDestTex->height;
size_t const dStride = pDestTex->stride;
size_t const oversample = 8;
float const swmul = 1.0f / (dWidth * oversample);
float const shmul = 1.0f / (dHeight * oversample);
float const cs = 1.0f / (oversample * oversample);
RB_ASSERT_TEXTURE2_VALID(pDestTex);
RB_ASSERT_TEXTURE2_VALID(pSrcTex);
for(size_t j = 0; j < dHeight; ++j) {
for(size_t i = 0; i < dWidth; ++i) {
RBColorTemp ct = colortempf(0.0f, 0.0f, 0.0f, 0.0f);
for(size_t v = 0; v < oversample; ++v) {
for(size_t u = 0; u < oversample; ++u) {
ct = ctadd(ct, ctscale(t2sampnc(pSrcTex,
vector2((float)((i * oversample + u) + 0.5f) * swmul,
(float)((j * oversample + v) + 0.5f) * shmul)),
cs));
}
}
pDestTex->data[j * dStride + i] = colorct(ct);
}
}
}
//=========
kf::kf(QWidget *parent) :
QDialog(parent),
ui(new Ui::kf){
init=true;
ctadd(tf,ctf);
ui->setupUi(this);
setWindowTitle(parent->windowTitle());
setWindowFlags(windowFlags()|Qt::WindowMinMaxButtonsHint);
ui->ggf->gorow(0);
}
