Differential D3675 Diff 11774 source/blender/draw/intern/draw_common.c

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source/blender/draw/intern/draw_common.c

Show First 20 Lines • Show All 858 Lines • ▼ Show 20 Lines	switch (theme_id) {
case TH_LAMP: ret = colors[9]; break;		case TH_LAMP: ret = colors[9]; break;
default: ret = colors[10]; break;		default: ret = colors[10]; break;
}		}

UI_GetThemeColorBlendShade4fv(theme_id, TH_BACK, 0.5, 0, ret);		UI_GetThemeColorBlendShade4fv(theme_id, TH_BACK, 0.5, 0, ret);

return ret;		return ret;
}		}

		static void DRW_evaluate_weight_to_color(float *result, float weight)
		{
		if (U.flag & USER_CUSTOM_RANGE)
		{
		BKE_colorband_evaluate(&U.coba_weight, weight, result);
		}
		else {
		float blend = ((weight / 2.0f) + 0.5f);

		if (weight <= 0.25f) { /* blue->cyan */
		copy_v3_fl3(result, 0.0f, blend * weight * 4.0f, blend);
		}
		else if (weight <= 0.50f) { /* cyan->green */
		copy_v3_fl3(result, 0.0f, blend, blend * (1.0f - ((weight - 0.25f) * 4.0f)));
		}
		else if (weight <= 0.75f) { /* green->yellow */
		copy_v3_fl3(result, blend * ((weight - 0.50f) * 4.0f), blend, 0.0f);
		}
		else if (weight <= 1.0f) { /* yellow->red */
		copy_v3_fl3(result, blend, blend * (1.0f - ((weight - 0.75f) * 4.0f)), 0.0f);
		angavrilovAuthorUnsubmitted Not Done Inline Actions This color ramp matches the original code, but when it is being continuously interpolated through like in this new drawing approach, it becomes obvious that the color progression is actually not very smooth. For instance the yellow band looks quite sharp and narrow, while green is wide and gradual. I wonder if it is possible to tweak it to achieve a more even flow of colors. angavrilov: This color ramp matches the original code, but when it is being continuously interpolated…
		}
		else {
		copy_v3_fl3(result, 1.0f, 0.0f, 1.0f);
		}
		}
		}

		GPUTexture* DRW_create_colorramp_texture(void)
		{
		char error[256];
		float pixels[256 * 4];
		for (int i = 0 ; i < 256 ; i ++) {
		DRW_evaluate_weight_to_color(&pixels[i*4], i / 256.0f);
		pixels[i*4 + 3] = 1.0f;
		}

		GPUTexture *result = GPU_texture_create_1D(256, GPU_RGBA8, pixels, error);
		return result;
		}