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From Sebastian Messerschmidt, "Added setColor function to modify an image based on texture coordinates, parallel to the getColor functionality."

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git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14517 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield
2014-11-21 16:27:29 +00:00
parent f49d7ae110
commit e67466a74f
2 changed files with 59 additions and 6 deletions
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20
include/osg/Image
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@@ -373,6 +373,14 @@ class OSG_EXPORT Image : public BufferData
/** Get the color value for specified texcoord.*/
Vec4 getColor(const Vec3& texcoord) const;
/** Set the color value for specified texcoord.*/
void setColor(const osg::Vec4& color, unsigned int s, unsigned int t=0, unsigned int r=0);
/** Set the color value for specified texcoord.*/
void setColor(const osg::Vec4& color, const osg::Vec2& texcoord ) { setColor(color, osg::Vec3(texcoord, 0.0f)); }
/** Set the color value for specified texcoord.*/
void setColor(const osg::Vec4& color, const osg::Vec3& texcoord );
/** Flip the image horizontally, around s dimension. */
void flipHorizontal();
@@ -476,15 +484,15 @@ class OSG_EXPORT Image : public BufferData
/** Pass frame information to the custom Image classes, to be called only when objects associated with imagery are not culled.*/
virtual void setFrameLastRendered(const osg::FrameStamp* /*frameStamp*/) {}
class DimensionsChangedCallback : public osg::Referenced {
public:
DimensionsChangedCallback() : osg::Referenced() {}
virtual void operator()(osg::Image* image) = 0;
};
typedef std::vector< osg::ref_ptr<DimensionsChangedCallback> > DimensionsChangedCallbackVector;
void addDimensionsChangedCallback(DimensionsChangedCallback* cb);
void removeDimensionsChangedCallback(DimensionsChangedCallback* cb);
@@ -493,8 +501,8 @@ class OSG_EXPORT Image : public BufferData
virtual ~Image();
Image& operator = (const Image&) { return *this; }
void handleDimensionsChangedCallbacks()
void handleDimensionsChangedCallbacks()
{
for(DimensionsChangedCallbackVector::iterator i = _dimensionsChangedCallbacks.begin(); i != _dimensionsChangedCallbacks.end(); ++i)
{
@@ -523,7 +531,7 @@ class OSG_EXPORT Image : public BufferData
void setData(unsigned char* data,AllocationMode allocationMode);
MipmapDataType _mipmapData;
DimensionsChangedCallbackVector _dimensionsChangedCallbacks;
};