container_cairo_pango.h

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#ifndef LITEBROWSER_CONTAINER_CAIRO_PANGO_H
#define LITEBROWSER_CONTAINER_CAIRO_PANGO_H
 
#include <litehtml.h>
#include "container_cairo.h"
#include <cairo.h>
#include <pango/pangocairo.h>
#include <pango/pango-font.h>
#include <set>
 
struct cairo_font
{
    PangoFontDescription* font;
    int size;
    bool underline;
    bool strikeout;
    int ascent;
    int descent;
    int underline_thickness;
    int underline_position;
    int strikethrough_thickness;
    int strikethrough_position;
};
 
class container_cairo_pango : public container_cairo
{
    cairo_surface_t*            m_temp_surface;
    cairo_t*                    m_temp_cr;
    std::set<std::string>       m_all_fonts;
public:
    container_cairo_pango();
    ~container_cairo_pango() override;
    litehtml::uint_ptr create_font(const char* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm) override;
    void delete_font(litehtml::uint_ptr hFont) override;
    int text_width(const char* text, litehtml::uint_ptr hFont) override;
    void draw_text(litehtml::uint_ptr hdc, const char* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) override;
 
    virtual cairo_font_options_t* get_font_options() { return nullptr; }
};
 
#endif //LITEBROWSER_CONTAINER_CAIRO_PANGO_H