70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
#pragma once
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#include <cstdlib>
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#include "common.hpp"
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POLYBAR_NS
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/**
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* Represents immutable 32-bit color values.
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*/
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class rgba {
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public:
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enum class type { NONE = 0, ARGB, ALPHA_ONLY };
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explicit rgba();
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explicit rgba(uint32_t value, type type = type::ARGB);
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explicit rgba(string hex);
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operator string() const;
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operator uint32_t() const;
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operator bool() const;
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bool operator==(const rgba& other) const;
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bool operator!=(const rgba& other) const;
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uint32_t value() const;
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type get_type() const;
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double alpha_d() const;
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double red_d() const;
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double green_d() const;
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double blue_d() const;
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uint8_t alpha_i() const;
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uint8_t red_i() const;
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uint8_t green_i() const;
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uint8_t blue_i() const;
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bool has_color() const;
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bool is_transparent() const;
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rgba apply_alpha_to(rgba other) const;
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rgba try_apply_alpha_to(rgba other) const;
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private:
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/**
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* Color value in the form ARGB or A000 depending on the type
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*
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* Cannot be const because we have to assign to it in the constructor and initializer lists are not possible.
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*/
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uint32_t m_value;
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/**
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* NONE marks this instance as invalid. If such a color is encountered, it
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* should be treated as if no color was set.
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*
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* ALPHA_ONLY is used for color strings that only have an alpha channel (#AA)
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* these kinds should be combined with another color that has RGB channels
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* before they are used to render anything.
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*
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* Cannot be const because we have to assign to it in the constructor and initializer lists are not possible.
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*/
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enum type m_type { type::NONE };
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};
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namespace color_util {
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string simplify_hex(string hex);
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} // namespace color_util
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POLYBAR_NS_END
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