diff --git a/cpp/README.md b/cpp/README.md new file mode 100644 index 0000000..53c183e --- /dev/null +++ b/cpp/README.md @@ -0,0 +1,56 @@ +## Usage +```c++ +#include +#include "mixbox.h" + +int main() { + unsigned char r1 = 0, g1 = 33, b1 = 133; // blue + unsigned char r2 = 252, g2 = 211, b2 = 0; // yellow + float t = 0.5; + unsigned char r, g, b; + + mixbox_lerp(r1, g1, b1, // first color + r2, g2, b2, // second color + t, // mixing ratio + &r, &g, &b); // result + + printf("%d %d %d\n", r, g, b); +} +``` +## Mixing Multiple Colors +```c++ +mixbox_latent z1, z2, z3, z_mix; + +mixbox_rgb_to_latent(r1, g1, b1, z1); +mixbox_rgb_to_latent(r2, g2, b2, z2); +mixbox_rgb_to_latent(r3, g3, b3, z3); + +for (int i = 0; i < MIXBOX_LATENT_SIZE; i++) { + // mix 30% of rgb1, 60% of rgb2, and 10% of rgb3 + z_mix[i] = 0.3f*z1[i] + 0.6f*z2[i] + 0.1f*z3[i]; +} + +mixbox_latent_to_rgb(z_mix, &r, &g, &b); +``` + +## Pigment Colors +| Pigment | | RGB | Float RGB | Linear RGB | +| --- | --- |:----:|:----:|:----:| +| Cadmium Yellow | | 254, 236, 0 | 0.996, 0.925, 0.0 | 0.991, 0.839, 0.0 | +| Hansa Yellow | | 252, 211, 0 | 0.988, 0.827, 0.0 | 0.973, 0.651, 0.0 | +| Cadmium Orange | | 255, 105, 0 | 1.0, 0.412, 0.0 | 1.0, 0.141, 0.0 | +| Cadmium Red | | 255, 39, 2 | 1.0, 0.153, 0.008 | 1.0, 0.02, 0.001 | +| Quinacridone Magenta | | 128, 2, 46 | 0.502, 0.008, 0.18 | 0.216, 0.001, 0.027 | +| Cobalt Violet | | 78, 0, 66 | 0.306, 0.0, 0.259 | 0.076, 0.0, 0.054 | +| Ultramarine Blue | | 25, 0, 89 | 0.098, 0.0, 0.349 | 0.01, 0.0, 0.1 | +| Cobalt Blue | | 0, 33, 133 | 0.0, 0.129, 0.522 | 0.0, 0.015, 0.235 | +| Phthalo Blue | | 13, 27, 68 | 0.051, 0.106, 0.267 | 0.004, 0.011, 0.058 | +| Phthalo Green | | 0, 60, 50 | 0.0, 0.235, 0.196 | 0.0, 0.045, 0.032 | +| Permanent Green | | 7, 109, 22 | 0.027, 0.427, 0.086 | 0.002, 0.153, 0.008 | +| Sap Green | | 107, 148, 4 | 0.42, 0.58, 0.016 | 0.147, 0.296, 0.001 | +| Burnt Sienna | | 123, 72, 0 | 0.482, 0.282, 0.0 | 0.198, 0.065, 0.0 | + +## License +Copyright (c) 2022, Secret Weapons. All rights reserved.
+Mixbox is provided under the CC BY-NC 4.0 license for non-commercial use only.
+If you want to obtain commercial license, please contact: mixbox@scrtwpns.com diff --git a/mixbox.cpp b/cpp/mixbox.cpp similarity index 100% rename from mixbox.cpp rename to cpp/mixbox.cpp diff --git a/mixbox.h b/cpp/mixbox.h similarity index 100% rename from mixbox.h rename to cpp/mixbox.h