TGPCompositingQuality
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Revision as of 02:44, 11 June 2013
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Description
The TGPCompositingQuality enumeration specifies whether gamma correction is applied when colors are blended with background colors. This enumeration is used by the IGPGraphics.GetCompositingQuality and IGPGraphics.SetCompositingQuality methods of the TGPGraphics class. Remarks When you specify that gamma correction should not be applied, the image data to be rendered (blended with the background) is assumed to be in a linear color space with a gamma value of 1.0. As a result, no gamma adjustment is applied to the image data before or after blending the image with the background.
When you specify that gamma correction should be applied, the image data to be rendered (blended with the background) is assumed to be in the sRGB color space with a gamma value of 2.2. To ensure accurate blending, the input image data is transformed into a linear (gamma = 1.0) space before the colors are blended and transformed back into sRGB (gamma = 2.2) space afterward. This mode results in a more accurate blend at the expense of additional processing time.
