static inline UByte ModulateCh(unsigned c1, unsigned c2);
ModulateCh combines two colors by taking the clamped product of the two channels (c1 * c2). For 8 bit channels, the actual equation used is: (((c1+1) * c2)>>8).
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Parameters |
Description |
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unsigned c1 |
The first (the destination) of two channels that are multiplied to form the new value (return value). |
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unsigned c2 |
The second (the source) of two channels that are multiplied to form the new value (return value). |
An UByte value formed from the product of the two channels (c1 * c2).