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@ -23,7 +23,7 @@
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void color_rgb2hsv(color_rgb_t *rgb, color_hsv_t *hsv)
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{
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float rd, gd, bd, delta, rc, gc, bc;
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float rd, gd, bd, delta;
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/* norm RGB colors to the range [0 - 1.0] */
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rd = (float)rgb->r / 255.0f;
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@ -52,6 +52,8 @@ void color_rgb2hsv(color_rgb_t *rgb, color_hsv_t *hsv)
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/* compute hue */
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hsv->h = 0.0f;
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if (hsv->s != 0.0) {
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float rc, gc, bc;
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rc = (hsv->v - rd) / delta;
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gc = (hsv->v - gd) / delta;
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bc = (hsv->v - bd) / delta;
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@ -81,47 +83,47 @@ void color_hsv2rgb(color_hsv_t *hsv, color_rgb_t *rgb)
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rgb->r = (uint8_t)(hsv->v * 255.0f);
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rgb->g = (uint8_t)(hsv->v * 255.0f);
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rgb->b = (uint8_t)(hsv->v * 255.0f);
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return;
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}
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else {
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h = (hsv->h == 360.0f) ? 0.0 : hsv->h;
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h /= 60.0f;
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i = (int)h;
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f = h - i;
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aa = hsv->v * (1.0f - hsv->s);
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bb = hsv->v * (1.0f - (hsv->s * f));
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cc = hsv->v * (1.0f - (hsv->s * (1.0f - f)));
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switch (i) {
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case 0:
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rgb->r = (uint8_t)(hsv->v * 255.0f);
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rgb->g = (uint8_t)(cc * 255.0f);
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rgb->b = (uint8_t)(aa * 255.0f);
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break;
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case 1:
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rgb->r = (uint8_t)(bb * 255.0f);
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rgb->g = (uint8_t)(hsv->v * 255.0f);
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rgb->b = (uint8_t)(aa * 255.0f);
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break;
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case 2:
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rgb->r = (uint8_t)(aa * 255.0f);
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rgb->g = (uint8_t)(hsv->v * 255.0f);
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rgb->b = (uint8_t)(cc * 255.0f);
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break;
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case 3:
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rgb->r = (uint8_t)(aa * 255.0f);
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rgb->g = (uint8_t)(bb * 255.0f);
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rgb->b = (uint8_t)(hsv->v * 255.0f);
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break;
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case 4:
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rgb->r = (uint8_t)(cc * 255.0f);
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rgb->g = (uint8_t)(aa * 255.0f);
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rgb->b = (uint8_t)(hsv->v * 255.0f);
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break;
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case 5:
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rgb->r = (uint8_t)(hsv->v * 255.0f);
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rgb->g = (uint8_t)(aa * 255.0f);
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rgb->b = (uint8_t)(bb * 255.0f);
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break;
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}
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h = (hsv->h == 360.0f) ? 0.0 : hsv->h;
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h /= 60.0f;
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i = (int)h;
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f = h - i;
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aa = hsv->v * (1.0f - hsv->s);
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bb = hsv->v * (1.0f - (hsv->s * f));
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cc = hsv->v * (1.0f - (hsv->s * (1.0f - f)));
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switch (i) {
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case 0:
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rgb->r = (uint8_t)(hsv->v * 255.0f);
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rgb->g = (uint8_t)(cc * 255.0f);
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rgb->b = (uint8_t)(aa * 255.0f);
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break;
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case 1:
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rgb->r = (uint8_t)(bb * 255.0f);
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rgb->g = (uint8_t)(hsv->v * 255.0f);
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rgb->b = (uint8_t)(aa * 255.0f);
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break;
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case 2:
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rgb->r = (uint8_t)(aa * 255.0f);
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rgb->g = (uint8_t)(hsv->v * 255.0f);
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rgb->b = (uint8_t)(cc * 255.0f);
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break;
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case 3:
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rgb->r = (uint8_t)(aa * 255.0f);
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rgb->g = (uint8_t)(bb * 255.0f);
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rgb->b = (uint8_t)(hsv->v * 255.0f);
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break;
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case 4:
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rgb->r = (uint8_t)(cc * 255.0f);
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rgb->g = (uint8_t)(aa * 255.0f);
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rgb->b = (uint8_t)(hsv->v * 255.0f);
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break;
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case 5:
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rgb->r = (uint8_t)(hsv->v * 255.0f);
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rgb->g = (uint8_t)(aa * 255.0f);
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rgb->b = (uint8_t)(bb * 255.0f);
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break;
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}
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}
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