_COPYPALETTE
Revision as of 14:01, 5 September 2017 by imported>SMcNeill (style guidelines)
The _COPYPALETTE statement copies the color palette intensities from one 4 or 8 BPP image to another image or a _NEWIMAGE screen page using 256 or less colors.
Contents
Syntax
- _COPYPALETTE [sourceImageHandle&[, destinationImageHandle&]]
Description
- Palette Intensity settings are not used by 24/32 bit images. Use only with 4 or 8 BPP images.
- _PIXELSIZE function returns 1 to indicate that _COPYPALETTE can be used. 4 indicates 24/32 bit images.
- If sourceImageHandle& is omitted, it is assumed to be the current read page.
- If destinationImageHandle& is omitted, it is assumed to be the current write page.
- If either of the images specified by sourceImageHandle& or destinationImageHandle& do not use a palette, an illegal function call error is returned.
- If either sourceImageHandle& or destinationImageHandle& is an invalid handle, an invalid handle error is returned.
- When loading 4 or 8 BPP image files, it is necessary to adopt the color palette of the image or it may not have the correct colors!
Examples
- See the example in SAVEIMAGE.
See also