1 files changed, 42 insertions, 0 deletions
diff --git a/FL/gl.h b/FL/gl.h
new file mode 100644
index 000000000..5db50e046
--- /dev/null
+++ b/FL/gl.h
@@ -0,0 +1,42 @@
+// gl.H
+// Fltk gl drawing functions.
+// You must include this instead of GL/gl.h to get around a stupid
+// fuck up by our good friends at Microsloth.
+// This file also provides "missing" OpenGL functions, and
+// gl_start() and gl_finish() to allow OpenGL to be used in any window
+
+#ifndef gl_draw_H
+#define gl_draw_H
+
+#include "Enumerations.H" // for color names
+#ifdef WIN32
+# include <windows.h>
+#endif
+#include <GL/gl.h>
+
+void gl_start();
+void gl_finish();
+
+void gl_color(Fl_Color);
+inline void gl_color(int c) {gl_color((Fl_Color)c);} // back compatability
+
+void gl_rect(int x,int y,int w,int h);
+inline void gl_rectf(int x,int y,int w,int h) {glRecti(x,y,x+w,y+h);}
+
+void gl_font(int fontid, int size);
+int  gl_height();
+int  gl_descent();
+double gl_width(const char *);
+double gl_width(const char *, int n);
+double gl_width(uchar);
+
+void gl_draw(const char*);
+void gl_draw(const char*, int n);
+void gl_draw(const char*, int x, int y);
+void gl_draw(const char*, int n, int x, int y);
+void gl_draw(const char*, int x, int y, int w, int h, Fl_Align);
+void gl_measure(const char*, int& x, int& y);
+
+void gl_draw_image(const uchar *, int x,int y,int w,int h, int d=3, int ld=0);
+
+#endif