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ColourTrans_ConvertRGBToCMYK
Programmer's Reference Manuals
» Part 8 - Non-kernel input/output
» ColourTrans
» SWI Calls
» ColourTrans_ConvertRGBToCMYK
ColourTrans_ConvertRGBToCMYK
(SWI &4075A)
| Entry | |
|---|---|
| R0 | Red component |
| R1 | Green component |
| R2 | Blue component |
| Exit | |
|---|---|
| R0 | Cyan component |
| R1 | Magenta component |
| R2 | Yellow component |
| R3 | Key (black) component |
Use
The purpose of this call is to convert the colour passed as RGB values to CMYK values.
Notes
The parameters passed are fixed point 32-bit numbers. The lower 16 bits (0 – 15) are used below the decimal point, and the upper 16 bits above the decimal point.