111 lines
4.9 KiB
C++
111 lines
4.9 KiB
C++
#pragma once
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#include <windows.h>
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#include <mlang.h>
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#include <stdlib.h>
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#include <malloc.h>
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#include <memory.h>
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#include <tchar.h>
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#include <mlang.h>
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#include <vector>
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#include <cairo.h>
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#include <cairo-win32.h>
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#include <litehtml.h>
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#include <dib.h>
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#include <txdib.h>
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#ifdef LITEHTML_UTF8
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#define t_make_url make_url_utf8
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#else
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#define t_make_url make_url
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#endif
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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, 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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class cairo_container : public litehtml::document_container
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{
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public:
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typedef std::shared_ptr<CTxDIB> image_ptr;
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typedef std::map<std::wstring, image_ptr> 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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IMLangFontLink2* m_font_link;
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CRITICAL_SECTION m_img_sync;
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public:
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cairo_container(void);
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virtual ~cairo_container(void);
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virtual 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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virtual void delete_font(litehtml::uint_ptr hFont) override;
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virtual int text_width(const litehtml::tchar_t* text, litehtml::uint_ptr hFont) override;
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virtual 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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virtual int pt_to_px(int pt) const override;
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virtual int get_default_font_size() const override;
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virtual const litehtml::tchar_t* get_default_font_name() const override;
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virtual void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) override;
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virtual void load_image(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, bool redraw_on_ready) override;
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virtual void get_image_size(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, litehtml::size& sz) override;
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virtual void draw_image(litehtml::uint_ptr hdc, const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, const litehtml::position& pos);
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virtual void draw_background(litehtml::uint_ptr hdc, const litehtml::background_paint& bg) override;
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virtual void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) override;
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virtual void transform_text(litehtml::tstring& text, litehtml::text_transform tt) override;
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virtual void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius, bool valid_x, bool valid_y) override;
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virtual void del_clip() override;
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virtual std::shared_ptr<litehtml::element> create_element(const litehtml::tchar_t* tag_name, const litehtml::string_map& attributes, const std::shared_ptr<litehtml::document>& doc) override;
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virtual void get_media_features(litehtml::media_features& media) const override;
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virtual void get_language(litehtml::tstring& language, litehtml::tstring & culture) const override;
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virtual void link(const std::shared_ptr<litehtml::document>& doc, const litehtml::element::ptr& el) override;
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virtual litehtml::tstring resolve_color(const litehtml::tstring& color) const override;
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virtual void make_url( LPCWSTR url, LPCWSTR basepath, std::wstring& out ) = 0;
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virtual image_ptr get_image(LPCWSTR url, bool redraw_on_ready) = 0;
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void clear_images();
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void add_image(std::wstring& url, image_ptr& img);
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void remove_image(std::wstring& url);
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void make_url_utf8( const char* url, const char* basepath, std::wstring& out );
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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, double 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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void set_color(cairo_t* cr, 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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private:
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simpledib::dib* get_dib(litehtml::uint_ptr hdc) { return (simpledib::dib*) hdc; }
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void apply_clip(cairo_t* cr);
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bool add_path_arc(cairo_t* cr, double x, double y, double rx, double ry, double a1, double a2, bool neg);
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void draw_txdib(cairo_t* cr, CTxDIB* bmp, int x, int y, int cx, int cy);
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void lock_images_cache();
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void unlock_images_cache();
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};
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