mirror of https://github.com/polybar/polybar.git
71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
#pragma once
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#include <cairo/cairo-ft.h>
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#include <list>
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#include "common.hpp"
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POLYBAR_NS
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namespace cairo {
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namespace utils {
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/**
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* @brief RAII wrapper used acquire cairo_device_t
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*/
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class device_lock {
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public:
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explicit device_lock(cairo_device_t* device);
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~device_lock();
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operator bool() const;
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operator cairo_device_t*() const;
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private:
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cairo_device_t* m_device{nullptr};
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};
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/**
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* @brief RAII wrapper used to access the underlying
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* FT_Face of a scaled font face
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*/
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class ft_face_lock {
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public:
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explicit ft_face_lock(cairo_scaled_font_t* font);
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~ft_face_lock();
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operator FT_Face() const;
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private:
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cairo_scaled_font_t* m_font;
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FT_Face m_face;
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};
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/**
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* @brief Unicode character containing converted codepoint
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* and details on where its position in the source string
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*/
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struct unicode_character {
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explicit unicode_character();
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unsigned long codepoint;
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int offset;
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int length;
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};
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using unicode_charlist = std::list<unicode_character>;
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/**
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* @see <cairo/cairo.h>
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*/
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cairo_operator_t str2operator(const string& mode, cairo_operator_t fallback);
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/**
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* @brief Create a UCS-4 codepoint from a utf-8 encoded string
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*/
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bool utf8_to_ucs4(const unsigned char* src, unicode_charlist& result_list);
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/**
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* @brief Convert a UCS-4 codepoint to a utf-8 encoded string
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*/
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size_t ucs4_to_utf8(char* utf8, unsigned int ucs);
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}
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}
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POLYBAR_NS_END
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