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ColourTrans_ConvertRGBToCIE
Programmer's Reference Manuals
» Part 8 - Non-kernel input/output
» ColourTrans
» SWI Calls
» ColourTrans_ConvertRGBToCIE
ColourTrans_ConvertRGBToCIE
(SWI &40755)
| Entry | |
|---|---|
| R0 | Red component |
| R1 | Green component |
| R2 | Blue component |
| Exit | |
|---|---|
| R0 | CIE x tristimulus value |
| R1 | CIE y tristimulus value |
| R2 | CIE z tristimulus value |
Use
The purpose of this call is to convert the colour passed as RGB values to CIE 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.