ImageEx ImageEx::toColorSpace( ColorSpace to ) const{
Timer t( "ImageEx::toColorSpace" );
if( color_space.components() != to.components() || to.components() != 3 )
throw std::runtime_error( "Unsupported color space conversion" );
ImageEx out( *this );
out.color_space = to;
//Upscale planes
auto img_size = out.getSize();
for( auto& info : out.planes )
if( info.p.getSize() != img_size )
info.p = info.p.scale_cubic( img_size );
for( unsigned iy=0; iy<img_size.height(); iy++ ){
ColorRow row( out, iy );
for( unsigned ix=0; ix<img_size.width(); ix++ )
row.set( ix, color_space.convert( row[ix], to ) );
}
return out;
}
bool ColorZone::within(ColorSpace c)
{
float h0 = c.getH() - Hlo;
h0 -= (float)floor(h0);
float h1 = HHi - Hlo;
if (h1 < 1)
h1 -= (float)floor(h1);
return c.valid() && YLo <= c.getY() && c.getY() <= YHi && SLo <= c.getS() && c.getS() <= SHi && h0 <= h1;
}
void BMPYUVImage::updateBitmap() {
ColorSpace c;
for (int j = 0; j < height; ++j)
for (int i = 0; i < width; ++i) {
c.setYuv(yImg[i][j], uImg[i][j], vImg[i][j]);
int r, g, b;
switch (this->bitmapType) {
case Color:
r = c.getRb();
g = c.getGb();
b = c.getBb();
break;
case Y:
r = g = b = yImg[i][j];
break;
case U:
r = g = b = uImg[i][j];
break;
case V:
r = g = b = vImg[i][j];
break;
case Red:
r = g = b = c.getRb();
break;
case Green:
r = g = b = c.getGb();
break;
case Blue:
r = g = b = c.getBb();
break;
case Hue:
if (c.getS() >= 0.25f && c.getY() >= 0.2f) {
ColorSpace h = ColorSpace();
h.setHsz(c.getH(), c.getS(), 0.875f);
r = h.getRb();
g = h.getGb();
b = h.getBb();
} else
r = g = b = 0;
break;
case Saturation:
r = g = b = c.getSb();
break;
case Value:
r = g = b = c.getZb();
break;
default:
r = g = b = 0;
break;
}
QRgb value = qRgb(r, g, b);
bitmap.setPixel(i, j, value);
}
}
void BMPYUVImage::updateBitmap() {
yuvImage.updateFromRawImage();
if (this->needToResizeBitmap()) {
bitmap = QImage(yuvImage.getWidth(),
yuvImage.getHeight(),
QImage::Format_RGB32);
}
ColorSpace c;
for (int j = 0; j < getHeight(); ++j)
for (int i = 0; i < getWidth(); ++i) {
c.setYuv(yuvImage.getY(i,j), yuvImage.getU(i,j), yuvImage.getV(i,j));
int r, g, b;
switch (this->bitmapType) {
case Color:
r = c.getRb();
g = c.getGb();
b = c.getBb();
break;
case Y:
r = g = b = c.getY();
break;
case U:
r = g = b = c.getU();
break;
case V:
r = g = b = c.getV();
break;
case Red:
r = g = b = c.getRb();
break;
case Green:
r = g = b = c.getGb();
break;
case Blue:
r = g = b = c.getBb();
break;
case Hue:
if (c.getS() >= 0.25f && c.getY() >= 0.2f) {
ColorSpace h = ColorSpace();
h.setHsz(c.getH(), c.getS(), 0.875f);
r = h.getRb();
g = h.getGb();
b = h.getBb();
} else
r = g = b = 0;
break;
case Saturation:
r = g = b = c.getSb();
break;
case Value:
r = g = b = c.getZb();
break;
default:
r = g = b = 0;
break;
}
QRgb value = qRgb(r, g, b);
bitmap.setPixel(i, j, value);
}
}