mirror of https://github.com/fltk/fltk
41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/* gl.h
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GL to OpenGL translator.
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If you include this, you might be able to port old GL programs.
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There are also much better emulators available on the net.
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*/
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#ifndef _FL_gl2opengl_h_
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#define _FL_gl2opengl_h_
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#include <FL/gl.h>
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#include "gl_draw.H"
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inline void clear() {glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);}
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#define RGBcolor(r,g,b) glColor3ub(r,g,b)
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#define bgnline() glBegin(GL_LINE_STRIP)
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#define bgnpolygon() glBegin(GL_POLYGON)
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#define bgnclosedline() glBegin(GL_LINE_LOOP)
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#define endline() glEnd()
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#define endpolygon() glEnd()
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#define endclosedline() glEnd()
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#define v2f(v) glVertex2fv(v)
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#define v2s(v) glVertex2sv(v)
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#define cmov(x,y,z) glRasterPos3f(x,y,z)
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#define charstr(s) gl_draw(s)
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#define fmprstr(s) gl_draw(s)
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typedef float Matrix[4][4];
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inline void pushmatrix() {glPushMatrix();}
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inline void popmatrix() {glPopMatrix();}
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inline void multmatrix(Matrix m) {glMultMatrixf((float *)m);}
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inline void color(int n) {glIndexi(n);}
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inline void rect(int x,int y,int r,int t) {gl_rect(x,y,r-x,t-y);}
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inline void rectf(int x,int y,int r,int t) {glRectf(x,y,r+1,t+1);}
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inline void recti(int x,int y,int r,int t) {gl_rect(x,y,r-x,t-y);}
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inline void rectfi(int x,int y,int r,int t) {glRecti(x,y,r+1,t+1);}
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inline void rects(int x,int y,int r,int t) {gl_rect(x,y,r-x,t-y);}
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inline void rectfs(int x,int y,int r,int t) {glRects(x,y,r+1,t+1);}
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#endif /* _FL_gl2opengl_h_ */
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