|
|
|
|
| 4.51.2.4.22. ogGetAlpha() | Table of Contents | 4.51.2.4.24. ogGetBPP() |
4. Standard Units
4.51. ObjGfx40 - ObjectGraphics 4.0 Unit
4.51.2. ObjGfx40 Unit Object Types
4.51.2.4. ogSurface object
4.51.2.4.23. ogGetAlphaMasker()
function ogGetAlphaMasker:uInt32;Remarks:
Returns the inverse mask of the alpha channel. This is used by some internal functions to mask off the alpha level. It is used thus:
pixel := pixel and ogGetAlphaMasker;packedPixel would be the same pixel without any alpha information. Restrictions:
8BPP modes are not in packed pixel formats.
|
|
|
|
| 4.51.2.4.22. ogGetAlpha() | Table of Contents | 4.51.2.4.24. ogGetBPP() |