void
fgSampler(
const FgSample & sample,
FgImgRgbaUb & img,
uint antiAliasBitDepth)
{
FgImgRgbaF fimg(img.dims());
fgSampler(sample,fimg,antiAliasBitDepth);
for (FgIter2UI it(img.dims()); it.valid(); it.next())
{
const FgRgbaF & fpix = fimg[it()];
img[it()] =
FgRgbaUB(
uchar(fgClamp(fpix.red(),0.0f,255.0f)),
uchar(fgClamp(fpix.green(),0.0f,255.0f)),
uchar(fgClamp(fpix.blue(),0.0f,255.0f)),
uchar(fgClamp(fpix.alpha(),0.0f,255.0f)));
}
}
static
void
uvmask(const FgArgs & args)
{
FgSyntax syntax(args,
"<meshIn>.<ext0> <imageIn>.<ext1> <meshOut>.<ext2>\n"
" <ext0> = " + fgLoadMeshFormatsDescription() + "\n"
" <ext1> = " + fgImgCommonFormatsDescription() + "\n"
" <ext2> = " + fgSaveMeshFormatsDescription()
);
Fg3dMesh mesh = fgLoadMeshAnyFormat(syntax.next());
FgImgRgbaUb img;
fgLoadImgAnyFormat(syntax.next(),img);
FgImage<FgBool> mask = FgImage<FgBool>(img.dims());
for (FgIter2UI it(img.dims()); it.valid(); it.next()) {
FgVect4UC px = img[it()].m_c;
mask[it()] = (px[0] > 0) || (px[1] > 0) || (px[2] > 0); }
mask = fgAnd(mask,fgFlipHoriz(mask));
mesh = fg3dMaskFromUvs(mesh,mask);
fgSaveMeshAnyFormat(mesh,syntax.next());
}
bool
fgCompareImages(
const FgImgRgbaUb & test,
const FgImgRgbaUb & ref,
uint maxDelta)
{
if (test.dims() != ref.dims())
return false;
int lim = int(maxDelta * maxDelta);
for (FgIter2UI it(test.dims()); it.valid(); it.next())
{
FgVect4I delta =
FgVect4I(test[it()].m_c) -
FgVect4I(ref[it()].m_c);
if ((fgSqr(delta[0]) > lim) ||
(fgSqr(delta[1]) > lim) ||
(fgSqr(delta[2]) > lim) ||
(fgSqr(delta[3]) > lim))
return false;
}
return true;
}
