mirror of https://github.com/fltk/fltk
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
// gl.H
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// Fltk gl drawing functions.
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// You must include this instead of GL/gl.h to get around a stupid
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// fuck up by our good friends at Microsloth.
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// This file also provides "missing" OpenGL functions, and
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// gl_start() and gl_finish() to allow OpenGL to be used in any window
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#ifndef gl_draw_H
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#define gl_draw_H
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#include "Enumerations.H" // for color names
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#ifdef WIN32
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# include <windows.h>
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#endif
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#include <GL/gl.h>
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void gl_start();
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void gl_finish();
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void gl_color(Fl_Color);
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inline void gl_color(int c) {gl_color((Fl_Color)c);} // back compatability
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void gl_rect(int x,int y,int w,int h);
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inline void gl_rectf(int x,int y,int w,int h) {glRecti(x,y,x+w,y+h);}
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void gl_font(int fontid, int size);
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int gl_height();
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int gl_descent();
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double gl_width(const char *);
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double gl_width(const char *, int n);
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double gl_width(uchar);
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void gl_draw(const char*);
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void gl_draw(const char*, int n);
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void gl_draw(const char*, int x, int y);
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void gl_draw(const char*, int n, int x, int y);
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void gl_draw(const char*, int x, int y, int w, int h, Fl_Align);
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void gl_measure(const char*, int& x, int& y);
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void gl_draw_image(const uchar *, int x,int y,int w,int h, int d=3, int ld=0);
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#endif
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