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#pragma once
#include <windows.h>
#include <mlang.h>
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <tchar.h>
#include <vector>
#include "cairo.h"
#include "cairo-win32.h"
#include <litehtml.h>
#include <dib.h>
#include <txdib.h>
struct cairo_clip_box
{
typedef std::vector<cairo_clip_box> vector;
litehtml::position box;
litehtml::border_radiuses radius;
cairo_clip_box(const litehtml::position& vBox, litehtml::border_radiuses vRad)
{
box = vBox;
radius = vRad;
}
cairo_clip_box(const cairo_clip_box& val)
{
box = val.box;
radius = val.radius;
}
cairo_clip_box& operator=(const cairo_clip_box& val)
{
box = val.box;
radius = val.radius;
return *this;
}
};
class cairo_container : public litehtml::document_container
{
public:
typedef std::shared_ptr<CTxDIB> image_ptr;
typedef std::map<std::wstring, image_ptr> images_map;
protected:
cairo_surface_t* m_temp_surface;
cairo_t* m_temp_cr;
images_map m_images;
cairo_clip_box::vector m_clips;
IMLangFontLink2* m_font_link;
CRITICAL_SECTION m_img_sync;
public:
cairo_container(void);
virtual ~cairo_container(void);
virtual litehtml::uint_ptr create_font(const char* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm) override;
virtual void delete_font(litehtml::uint_ptr hFont) override;
virtual int text_width(const char* text, litehtml::uint_ptr hFont) override;
virtual void draw_text(litehtml::uint_ptr hdc, const char* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) override;
virtual int pt_to_px(int pt) const override;
virtual int get_default_font_size() const override;
virtual const char* get_default_font_name() const override;
virtual void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) override;
virtual void load_image(const char* src, const char* baseurl, bool redraw_on_ready) override;
virtual void get_image_size(const char* src, const char* baseurl, litehtml::size& sz) override;
virtual void draw_image(litehtml::uint_ptr hdc, const char* src, const char* baseurl, const litehtml::position& pos);
virtual void draw_background(litehtml::uint_ptr hdc, const std::vector<litehtml::background_paint>& bg) override;
virtual void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) override;
virtual void transform_text(litehtml::string& text, litehtml::text_transform tt) override;
virtual void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius) override;
virtual void del_clip() override;
virtual std::shared_ptr<litehtml::element> create_element(const char* tag_name, const litehtml::string_map& attributes, const std::shared_ptr<litehtml::document>& doc) override;
virtual void get_media_features(litehtml::media_features& media) const override;
virtual void get_language(litehtml::string& language, litehtml::string& culture) const override;
virtual void link(const std::shared_ptr<litehtml::document>& doc, const litehtml::element::ptr& el) override;
virtual litehtml::string resolve_color(const litehtml::string& color) const override;
virtual void make_url( LPCWSTR url, LPCWSTR basepath, std::wstring& out ) = 0;
virtual image_ptr get_image(LPCWSTR url, bool redraw_on_ready) = 0;
void clear_images();
void add_image(std::wstring& url, image_ptr& img);
void remove_image(std::wstring& url);
void make_url_utf8( const char* url, const char* basepath, std::wstring& out );
protected:
virtual void draw_ellipse(cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color, double line_width);
virtual void fill_ellipse(cairo_t* cr, int x, int y, int width, int height, const litehtml::web_color& color);
virtual void rounded_rectangle( cairo_t* cr, const litehtml::position &pos, const litehtml::border_radiuses &radius );
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); }
private:
simpledib::dib* get_dib(litehtml::uint_ptr hdc) { return (simpledib::dib*) hdc; }
void apply_clip(cairo_t* cr);
bool add_path_arc(cairo_t* cr, double x, double y, double rx, double ry, double a1, double a2, bool neg);
void draw_txdib(cairo_t* cr, CTxDIB* bmp, int x, int y, int cx, int cy);
void lock_images_cache();
void unlock_images_cache();
};
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