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Functions | |
| uint32_t | cobbletext_math_alpha_blend_over_argb (uint32_t background, uint32_t foreground) |
| Composite two ARGB color values using alpha blending and the "over" operator. More... | |
| uint32_t | cobbletext_math_gamma_argb (uint32_t color, double gamma) |
| Apply gamma function to the ARGB color value. More... | |
Function Documentation
◆ cobbletext_math_alpha_blend_over_argb()
| uint32_t cobbletext_math_alpha_blend_over_argb | ( | uint32_t | background, |
| uint32_t | foreground | ||
| ) |
Composite two ARGB color values using alpha blending and the "over" operator.
◆ cobbletext_math_gamma_argb()
| uint32_t cobbletext_math_gamma_argb | ( | uint32_t | color, |
| double | gamma | ||
| ) |
Apply gamma function to the ARGB color value.
To apply gamma correction function, use 1 / gamma.
