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|This is no longer a part of the World of Warcraft API.
Set whether subsequent SetTexCoord() operations also modify the rendering rectangle of a Texture object to maintain texture scaling when the texture coordinates are modified. This adjustment is only implemented for rectangular regions and may yield undesirable results for rotation or shearing transformations.
- false (default) to stretch/shrink the texture on SetTexCoord calls.
- true to modify the display rectangle's dimensions instead.
By default a Texture object renders the underlying texture image across the entire surface of the Texture region, so setting TexCoords that represent a subset of the underlying image results in a scaled or stretched result. If SetTexCoordModifiesRect is set to true, then the rendering rectangle is adjusted relative to the Texture region, so that sizing/scaling will be preserved relative to the original (0,1,0,1) coordinates. The new rendering area has the same BOTTOMLEFT corner as the Texture region, but then a width and height defined as follows:
T is a texture with a display width of W and display height of H. T:SetTexCoordModifiesRect(true) is called T:SetTexCoord(x1,x2, y1,y2) is then executed
The texture image is then rendered onto a screen region with the same BOTTOMLEFT corner as T, but with a width of W * (abs(x2-x1)) and height of H * (abs(y2-y1))
This API has been deprecated in 3.3.3 in favor of modified implementation to be made available in a future release. Reason, and workaround.