// This is my letter D #include "letters.h" void draw_D(){ glPushMatrix(); glBegin(GL_LINE_LOOP); glVertex2d(0.1, 0.2); glVertex2d(0.4 ,0.2); glVertex2d(0.8,0.4); glVertex2d(0.8 ,0.8); glVertex2d(0.4 ,1); glVertex2d(0.2 ,1); glEnd(); glBegin(GL_QUADS); glVertex2d(0.1, 0.2); glVertex2d(0.2 ,0.2); glVertex2d(0.2, 1); glVertex2d(0.1, 1); glEnd(); glPopMatrix(); glTranslated(1,0,0); } // This is my letter N void draw_N(){ glPushMatrix(); glBegin(GL_LINES); glVertex2d(0.2, 0.2); glVertex2d(0.4 ,0.2); glVertex2d(0.2, 1); glVertex2d(0.4 ,1); glVertex2d(0.8 ,0.2); glVertex2d(1 ,0.2); glVertex2d(0.8 ,1); glVertex2d(1 ,1); glVertex2d(0.3, 0.2); glVertex2d(0.3 ,1); glVertex2d(0.9, 0.2); glVertex2d(0.9 ,1); glEnd(); glBegin(GL_QUADS); glVertex2d(0.25, 1); glVertex2d(0.35 ,1); glVertex2d(0.95, 0.2); glVertex2d(0.85, 0.2); glEnd(); glPopMatrix(); glTranslated(1,0,0); } // THis is my letter X void draw_X(){ glPushMatrix(); glBegin(GL_LINES); glVertex2d(0.2, 0.2); glVertex2d(0.4 ,0.2); glVertex2d(0.2, 1); glVertex2d(0.4 ,1); glVertex2d(0.8 ,0.2); glVertex2d(1 ,0.2); glVertex2d(0.8 ,1); glVertex2d(1 ,1); glVertex2d(0.3 ,0.2); glVertex2d(0.9,1); glEnd(); glBegin(GL_QUADS); glVertex2d(0.25, 1); glVertex2d(0.35 ,1); glVertex2d(0.95, 0.2); glVertex2d(0.85, 0.2); glEnd(); glPopMatrix(); glTranslated(1,0,0); }