1 #ifndef LH_HTML_H 2 #define LH_HTML_H 3 4 #include <stdlib.h> 5 #include <string> 6 #include <ctype.h> 7 #include <vector> 8 #include <map> 9 #include <cstring> 10 #include <algorithm> 11 #include <sstream> 12 #include "os_types.h" 13 #include "types.h" 14 #include "background.h" 15 #include "borders.h" 16 #include "html_tag.h" 17 #include "web_color.h" 18 #include "media_query.h" 19 20 namespace litehtml 21 { 22 struct list_marker 23 { 24 tstring image; 25 const tchar_t* baseurl; 26 list_style_type marker_type; 27 web_color color; 28 position pos; 29 }; 30 31 // call back interface to draw text, images and other elements 32 class document_container 33 { 34 public: 35 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) = 0; 36 virtual void delete_font(litehtml::uint_ptr hFont) = 0; 37 virtual int text_width(const litehtml::tchar_t* text, litehtml::uint_ptr hFont) = 0; 38 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) = 0; 39 virtual int pt_to_px(int pt) = 0; 40 virtual int get_default_font_size() const = 0; 41 virtual const litehtml::tchar_t* get_default_font_name() const = 0; 42 virtual void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) = 0; 43 virtual void load_image(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, bool redraw_on_ready) = 0; 44 virtual void get_image_size(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, litehtml::size& sz) = 0; 45 virtual void draw_background(litehtml::uint_ptr hdc, const litehtml::background_paint& bg) = 0; 46 virtual void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) = 0; 47 48 virtual void set_caption(const litehtml::tchar_t* caption) = 0; 49 virtual void set_base_url(const litehtml::tchar_t* base_url) = 0; 50 virtual void link(const std::shared_ptr<litehtml::document>& doc, const litehtml::element::ptr& el) = 0; 51 virtual void on_anchor_click(const litehtml::tchar_t* url, const litehtml::element::ptr& el) = 0; 52 virtual void set_cursor(const litehtml::tchar_t* cursor) = 0; 53 virtual void transform_text(litehtml::tstring& text, litehtml::text_transform tt) = 0; 54 virtual void import_css(litehtml::tstring& text, const litehtml::tstring& url, litehtml::tstring& baseurl) = 0; 55 virtual void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius, bool valid_x, bool valid_y) = 0; 56 virtual void del_clip() = 0; 57 virtual void get_client_rect(litehtml::position& client) const = 0; 58 virtual std::shared_ptr<litehtml::element> create_element(const litehtml::tchar_t *tag_name, 59 const litehtml::string_map &attributes, 60 const std::shared_ptr<litehtml::document> &doc) = 0; 61 62 virtual void get_media_features(litehtml::media_features& media) const = 0; 63 virtual void get_language(litehtml::tstring& language, litehtml::tstring & culture) const = 0; resolve_color(const litehtml::tstring & color)64 virtual litehtml::tstring resolve_color(const litehtml::tstring& color) const { return litehtml::tstring(); } 65 }; 66 67 void trim(tstring &s); 68 void lcase(tstring &s); 69 int value_index(const tstring& val, const tstring& strings, int defValue = -1, tchar_t delim = _t(';')); 70 bool value_in_list(const tstring& val, const tstring& strings, tchar_t delim = _t(';')); 71 tstring::size_type find_close_bracket(const tstring &s, tstring::size_type off, tchar_t open_b = _t('('), tchar_t close_b = _t(')')); 72 void split_string(const tstring& str, string_vector& tokens, const tstring& delims, const tstring& delims_preserve = _t(""), const tstring& quote = _t("\"")); 73 void join_string(tstring& str, const string_vector& tokens, const tstring& delims); 74 round_f(float val)75 inline int round_f(float val) 76 { 77 int int_val = (int) val; 78 if(val - int_val >= 0.5) 79 { 80 int_val++; 81 } 82 return int_val; 83 } 84 round_d(double val)85 inline int round_d(double val) 86 { 87 int int_val = (int) val; 88 if(val - int_val >= 0.5) 89 { 90 int_val++; 91 } 92 return int_val; 93 } 94 } 95 96 #endif // LH_HTML_H 97