76 lines
1.8 KiB
C++
76 lines
1.8 KiB
C++
#ifndef ENGINE_RENDERTEXT_HH
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#define ENGINE_RENDERTEXT_HH
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#include <shared/tools.hh>
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#include <shared/geom.hh>
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struct Texture;
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struct Shader;
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// rendertext
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struct font
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{
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struct charinfo
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{
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float x, y, w, h, offsetx, offsety, advance;
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int tex;
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};
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char *name;
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vector<Texture *> texs;
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vector<charinfo> chars;
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int charoffset, defaultw, defaulth, scale;
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float bordermin, bordermax, outlinemin, outlinemax;
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font() : name(nullptr) {}
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~font() { DELETEA(name); }
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};
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#define FONTH (curfont->scale)
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#define FONTW (FONTH/2)
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#define MINRESW 640
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#define MINRESH 480
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extern font *curfont;
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extern Shader *textshader;
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extern const matrix4x3 *textmatrix;
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extern float textscale;
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static inline void setfont(font *f) { if(f) curfont = f; }
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bool setfont(const char *name);
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void pushfont();
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bool popfont();
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void reloadfonts();
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void gettextres(int &w, int &h);
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void draw_text(const char *str, float left, float top, int r = 255, int g = 255, int b = 255, int a = 255, int cursor = -1, int maxwidth = -1);
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void draw_textf(const char *fstr, float left, float top, ...) PRINTFARGS(1, 4);
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float text_widthf(const char *str);
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void text_boundsf(const char *str, float &width, float &height, int maxwidth = -1);
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void text_posf(const char *str, int cursor, float &cx, float &cy, int maxwidth);
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static inline int text_width(const char *str)
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{
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return int(ceil(text_widthf(str)));
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}
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static inline void text_bounds(const char *str, int &width, int &height, int maxwidth = -1)
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{
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float widthf, heightf;
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text_boundsf(str, widthf, heightf, maxwidth);
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width = int(ceil(widthf));
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height = int(ceil(heightf));
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}
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static inline void text_pos(const char *str, int cursor, int &cx, int &cy, int maxwidth)
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{
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float cxf, cyf;
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text_posf(str, cursor, cxf, cyf, maxwidth);
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cx = int(cxf);
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cy = int(cyf);
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}
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#endif
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