FL/gl2opengl.h

   1 /*      gl.h
   2
   3         GL to OpenGL translator.
   4         If you include this, you might be able to port old GL programs.
   5         There are also much better emulators available on the net.
   6
   7 */
   8
   9 #include <FL/gl.h>
  10 #include "gl_draw.H"
  11
  12 inline void clear() {glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);}
  13 #define RGBcolor(r,g,b) glColor3ub(r,g,b)
  14 #define bgnline() glBegin(GL_LINE_STRIP)
  15 #define bgnpolygon() glBegin(GL_POLYGON)
  16 #define bgnclosedline() glBegin(GL_LINE_LOOP)
  17 #define endline() glEnd()
  18 #define endpolygon() glEnd()
  19 #define endclosedline() glEnd()
  20 #define v2f(v) glVertex2fv(v)
  21 #define v2s(v) glVertex2sv(v)
  22 #define cmov(x,y,z) glRasterPos3f(x,y,z)
  23 #define charstr(s) gl_draw(s)
  24 #define fmprstr(s) gl_draw(s)
  25 typedef float Matrix[4][4];
  26 inline void pushmatrix() {glPushMatrix();}
  27 inline void popmatrix() {glPopMatrix();}
  28 inline void multmatrix(Matrix m) {glMultMatrixf((float *)m);}
  29 inline void color(int n) {glIndexi(n);}
  30 inline void rect(int x,int y,int r,int t) {gl_rect(x,y,r-x,t-y);}
  31 inline void rectf(int x,int y,int r,int t) {glRectf(x,y,r+1,t+1);}
  32 inline void recti(int x,int y,int r,int t) {gl_rect(x,y,r-x,t-y);}
  33 inline void rectfi(int x,int y,int r,int t) {glRecti(x,y,r+1,t+1);}
  34 inline void rects(int x,int y,int r,int t) {gl_rect(x,y,r-x,t-y);}
  35 inline void rectfs(int x,int y,int r,int t) {glRects(x,y,r+1,t+1);}