105 lines
4.2 KiB
C++
105 lines
4.2 KiB
C++
#ifndef LH_CONTAINER_LINUX_H
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#define LH_CONTAINER_LINUX_H
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#include "../../include/litehtml.h"
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#include <cairo.h>
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#include <gtkmm.h>
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#include <pango/pangocairo.h>
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struct cairo_clip_box
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{
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typedef std::vector<cairo_clip_box> vector;
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litehtml::position box;
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litehtml::border_radiuses radius;
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cairo_clip_box(const litehtml::position& vBox, const litehtml::border_radiuses& vRad)
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{
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box = vBox;
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radius = vRad;
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}
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cairo_clip_box(const cairo_clip_box& val)
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{
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box = val.box;
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radius = val.radius;
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}
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cairo_clip_box& operator=(const cairo_clip_box& val)
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{
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box = val.box;
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radius = val.radius;
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return *this;
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}
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};
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struct cairo_font
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{
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PangoFontDescription* font;
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int size;
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bool underline;
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bool strikeout;
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int ascent;
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int descent;
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int underline_thickness;
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int underline_position;
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int strikethrough_thickness;
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int strikethrough_position;
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};
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class container_linux : public litehtml::document_container
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{
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typedef std::map<litehtml::tstring, Glib::RefPtr<Gdk::Pixbuf> > images_map;
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protected:
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cairo_surface_t* m_temp_surface;
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cairo_t* m_temp_cr;
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images_map m_images;
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cairo_clip_box::vector m_clips;
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public:
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container_linux();
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virtual ~container_linux();
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litehtml::uint_ptr create_font(const litehtml::tchar_t* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm) override;
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void delete_font(litehtml::uint_ptr hFont) override;
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int text_width(const litehtml::tchar_t* text, litehtml::uint_ptr hFont) override;
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void draw_text(litehtml::uint_ptr hdc, const litehtml::tchar_t* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) override;
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int pt_to_px(int pt) const override;
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int get_default_font_size() const override;
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const litehtml::tchar_t* get_default_font_name() const override;
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void load_image(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, bool redraw_on_ready) override;
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void get_image_size(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, litehtml::size& sz) override;
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void draw_background(litehtml::uint_ptr hdc, const litehtml::background_paint& bg) override;
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void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) override;
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void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) override;
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std::shared_ptr<litehtml::element> create_element(const litehtml::tchar_t *tag_name,
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const litehtml::string_map &attributes,
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const std::shared_ptr<litehtml::document> &doc) override;
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void get_media_features(litehtml::media_features& media) const override;
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void get_language(litehtml::tstring& language, litehtml::tstring & culture) const override;
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void link(const std::shared_ptr<litehtml::document> &ptr, const litehtml::element::ptr& el) override;
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void transform_text(litehtml::tstring& text, litehtml::text_transform tt) override;
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void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius, bool valid_x, bool valid_y) override;
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void del_clip() override;
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virtual void make_url( const litehtml::tchar_t* url, const litehtml::tchar_t* basepath, litehtml::tstring& out );
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virtual Glib::RefPtr<Gdk::Pixbuf> get_image(const litehtml::tchar_t* url, bool redraw_on_ready) = 0;
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void clear_images();
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protected:
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virtual void draw_ellipse(cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color, int line_width);
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virtual void fill_ellipse(cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color);
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virtual void rounded_rectangle( cairo_t* cr, const litehtml::position &pos, const litehtml::border_radiuses &radius );
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private:
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void apply_clip(cairo_t* cr);
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static void add_path_arc(cairo_t* cr, double x, double y, double rx, double ry, double a1, double a2, bool neg);
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static void set_color(cairo_t* cr, const litehtml::web_color& color) { cairo_set_source_rgba(cr, color.red / 255.0, color.green / 255.0, color.blue / 255.0, color.alpha / 255.0); }
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static cairo_surface_t* surface_from_pixbuf(const Glib::RefPtr<Gdk::Pixbuf>& bmp);
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static void draw_pixbuf(cairo_t* cr, const Glib::RefPtr<Gdk::Pixbuf>& bmp, int x, int y, int cx, int cy);
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};
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#endif
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