osg::Image* createImage3DWithAlpha(const ImageList& imageList,
int s_maximumImageSize,
int t_maximumImageSize,
int r_maximumImageSize,
bool resizeToPowerOfTwo)
{
GLenum desiredPixelFormat = 0;
bool modulateAlphaByLuminance = false;
unsigned int maxNumComponents = maximimNumOfComponents(imageList);
if (maxNumComponents==3)
{
desiredPixelFormat = GL_RGBA;
modulateAlphaByLuminance = true;
}
osg::ref_ptr<osg::Image> image = createImage3D(imageList,
desiredPixelFormat,
s_maximumImageSize,
t_maximumImageSize,
r_maximumImageSize,
resizeToPowerOfTwo);
if (image.valid())
{
if (modulateAlphaByLuminance)
{
modifyImage(image.get(), ModulateAlphaByLuminanceOperator());
}
return image.release();
}
else
{
return 0;
}
}
bool clearImageToColor(osg::Image* image, const osg::Vec4& colour)
{
if (!image) return false;
modifyImage(image, SetToColourOperator(colour));
return true;
}
void PhotoDetails::slotAccept() {
modifyImage();
}
void PhotoDetails::slotNextProp() {
modifyImage();
emit nextImage();
}
void PhotoDetails::slotPrevProp() {
modifyImage();
emit prevImage();
}
