IsGrayscale property (Main Control)
Visual Basic example
Visual C++ 4.0 example
Access 2.0 example
Access
95, 97 example
Syntax short IsGrayscale
Overview: Refer to Examining and Altering Bitmaps.
Remarks
Is an indicator of the kind of grayscale palette, if any, that a bitmap has.
Grayscale images can be 1, 4, 8, 12, or 16-bit. With a 1-bit image, you can use this property to check for inversion (for example, white lines on a black background) caused by an inverted palette.
Value |
Meaning |
GRAY_NO |
Not grayscale. |
GRAY_ORDEREDNORMAL |
Normally ordered grayscale (dark to light). |
GRAY_ORDEREDINVERSE |
Reverse ordered grayscale (light to dark). |
GRAY_NOTORDERED |
Unordered grayscale. |
Support for 12 and 16 bit grayscale images is only available in the Document/Medical Toolkits.
See Also