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Added support for creating a 3D Image from an image list.

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Added support for reading a list of images in the Present3D <volume> tag.
This commit is contained in:
Robert Osfield
2011-06-08 16:10:46 +00:00
parent ebc3c295a7
commit 86439123b4
4 changed files with 313 additions and 42 deletions
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22
include/osg/ImageUtils
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@@ -132,6 +132,28 @@ extern OSG_EXPORT bool copyImage(const osg::Image* srcImage, int src_s, int src_
/** Compute the min max colour values in the image.*/
extern OSG_EXPORT bool clearImageToColor(osg::Image* image, const osg::Vec4& colour);
typedef std::vector< osg::ref_ptr<osg::Image> > ImageList;
/** Search through the list of Images and find the maximum number of components used amoung the images.*/
extern OSG_EXPORT unsigned int maximimNumOfComponents(const ImageList& imageList);
/** create a 3D osg::Image from a list of osg::Image.*/
extern OSG_EXPORT osg::Image* createImage3D(const ImageList& imageList,
GLenum desiredPixelFormat,
int s_maximumImageSize = 1024,
int t_maximumImageSize = 1024,
int r_maximumImageSize = 1024,
bool resizeToPowerOfTwo = false);
/** create a 3D osg::Image from a list of osg::Image.*/
extern OSG_EXPORT osg::Image* createImage3DWithAlpha(const ImageList& imageList,
int s_maximumImageSize = 1024,
int t_maximumImageSize = 1024,
int r_maximumImageSize = 1024,
bool resizeToPowerOfTwo = false);
}