Font.h

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#include "Bitmap.h"
 
class Font : public font_metrics
{
public:
    static Font* create(string face, int size, int weight);
    virtual int text_width(string text) = 0;
    virtual void draw_text(canvas& canvas, string text, color color, int x, int y) = 0;
};
 
class RasterFont : public Font
{
    int width = 0; // for absent glyphs, see get_glyph
    std::map<int, Bitmap> glyphs;
public:
    RasterFont(int size, int weight);
 
    static struct size_name { int size; string name; } installed_fonts[];
    static RasterFont* create(string face, int size, int weight);
 
    Bitmap get_glyph(int ch, color color);
    void load(string filename);
 
    int text_width(string text) override;
    void draw_text(canvas& canvas, string text, color color, int x, int y) override;
};
 
class OutlineFont : public Font
{
    string name;
    string data; // raw contents of ttf file
    int size = 0; // pixels per em
public:
    OutlineFont(string name, int size);
 
    static string_map installed_fonts;
    static OutlineFont* create(string name, int size);
 
    int text_width(string text) override;
    void draw_text(canvas& canvas, string text, color color, int x, int y) override;
};