Added lots of opengl utility words to slate

contrib/slate.factor

@@ -1,9 +1,16 @@
 ! Copyright (C) 2006 Eduardo Cavazos.
 
-USING: kernel namespaces sequences vectors opengl gadgets ;
+REQUIRES: contrib/math ;
+
+USING: kernel namespaces math sequences vectors arrays opengl
+       math-contrib gadgets ;
 
 IN: slate
 
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+! Slate gadget implementation
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
 TUPLE: slate action ;
 
 C: slate ( -- <slate> ) dup delegate>gadget [ ] over set-slate-action ;
@@ -20,18 +27,6 @@ M: slate draw-gadget* ( <slate> -- ) dup self set slate-action call ;
 
 : flush-slate ( -- ) self get relayout-1 ;
 
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: rect-width ( <rect> -- width ) 0 swap rect-dim nth ;
-
-: rect-height ( <rect> -- height ) 1 swap rect-dim nth ;
-
-: window-width ( -- width ) self get rect-width ;
-
-: window-height ( -- height ) self get rect-height ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
 SYMBOL: dlist
 
 SYMBOL: capacity
@@ -42,10 +37,82 @@ SYMBOL: capacity
 
 : flush-dlist ( -- ) get-action dlist get append set-action reset-dlist ;
 
+: reset-slate ( -- ) [ ] set-action reset-dlist ;
+
+: new-slate ( -- )
+<slate> self set   100 capacity set   reset-dlist   self get ;
+
+: slate-window ( -- ) new-slate "Slate" open-titled-window ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+! Slate OpenGL commands
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-: set-coordinates ( left right bottom top -- )
+: curry2 ( a b quot -- quot ) 2 [ curry ] times ;
-[ glLoadIdentity gluOrtho2D ] curry curry curry curry add-dlist ;
+
+: curry3 ( a b c quot -- quot ) 3 [ curry ] times ;
+
+: curry4 ( a b c d quot -- quot ) 4 [ curry ] times ;
+
+: curry6 ( a b c d e f quot -- quot ) 6 [ curry ] times ;
+
+: curry9 ( a b c d e f g h i quot -- quot ) 9 [ curry ] times ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: gl-clear-color ( vec -- ) first4 [ glClearColor ] curry4 add-dlist ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: gl-clear ( mask -- ) [ glClear ] curry add-dlist ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: gl-color ( vec -- ) first4 [ glColor4f ] curry4 add-dlist ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: gl-ortho ( left right bottom top near far -- ) [ glOrtho ] curry6 add-dlist ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: gl-vertex2 ( vec -- ) first2 [ glVertex2f ] curry2 add-dlist ;
+
+: gl-vertex3 ( vec -- ) first3 [ glVertex3f ] curry3 add-dlist ;
+
+: gl-vertex4 ( vec -- ) first4 [ glVertex4f ] curry4 add-dlist ;
+
+: gl-vertex ( vec -- ) gl-vertex3 ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: gl-begin ( mode -- ) [ glBegin ] curry add-dlist ;
+
+: gl-end ( -- ) [ glEnd ] add-dlist ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: gl-load-identity ( -- ) [ glLoadIdentity ] add-dlist ;
+
+: gl-matrix-mode ( mode -- ) [ glMatrixMode ] curry add-dlist ;
+
+: gl-push-matrix ( -- ) [ glPushMatrix ] add-dlist ;
+
+: gl-pop-matrix ( -- ) [ glPopMatrix ] add-dlist ;
+
+: gl-rotate ( angle vec -- ) first3 [ glRotatef ] curry4 add-dlist ;
+
+: gl-scale ( vec -- ) first3 [ glScalef ] curry3 add-dlist ;
+
+: gl-translate ( vec -- ) first3 [ glTranslatef ] curry3 add-dlist ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: glu-look-at ( position focus up -- )
+[ glLoadIdentity ] add-dlist
+>r >r first3 r> first3 r> first3 [ gluLookAt ] curry9 add-dlist ;
+
+: glu-ortho-2d ( left right bottom top -- ) [ gluOrtho2D ] curry4 add-dlist ;
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
@@ -59,6 +126,65 @@ SYMBOL: capacity
 
 : blue ( -- color ) { 0 0 1 1 } ;
 
+: yellow ( -- color ) { 1 1 0 1 } ;
+
+: set-color-alpha ( color alpha -- color ) swap 3 head swap add ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: draw-line ( a b --- ) GL_LINES gl-begin gl-vertex gl-vertex gl-end ;
+
+: draw-line-strip ( seq -- ) GL_LINE_STRIP gl-begin [ gl-vertex ] each gl-end ;
+
+: draw-line-loop ( seq -- ) GL_LINE_LOOP gl-begin [ gl-vertex ] each gl-end ;
+
+: draw-polygon ( seq -- ) GL_POLYGON gl-begin [ gl-vertex ] each gl-end ;
+
+: draw-circle ( -- )
+100 [ 100 / 360 * deg>rad dup cos swap sin 0 3array ] map draw-polygon ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+! Slate 2d utilities
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+IN: slate-2d
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: init-2d ( left right bottom top -- )
+GL_PROJECTION gl-matrix-mode gl-load-identity -1 1 gl-ortho
+GL_MODELVIEW gl-matrix-mode gl-load-identity ;
+
+: draw-point ( point -- ) GL_POINTS gl-begin gl-vertex2 gl-end ;
+
+: draw-line ( a b -- ) GL_LINES gl-begin gl-vertex2 gl-vertex2 gl-end ;
+
+: draw-line-strip ( seq -- )
+GL_LINE_STRIP gl-begin [ gl-vertex2 ] each gl-end ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: set-coordinates ( left right bottom top -- )
+[ glLoadIdentity gluOrtho2D ] curry curry curry curry add-dlist ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+! Slate miscellaneous utilities
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+IN: slate-misc
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+: rect-width ( <rect> -- width ) 0 swap rect-dim nth ;
+
+: rect-height ( <rect> -- height ) 1 swap rect-dim nth ;
+
+: window-width ( -- width ) self get rect-width ;
+
+: window-height ( -- height ) self get rect-height ;
+
+! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
 : set-clear-color ( color -- ) [ first4 glClearColor ] curry add-dlist ;
 
 : clear-window ( -- ) [ GL_COLOR_BUFFER_BIT glClear ] add-dlist ;
@@ -67,17 +193,4 @@ SYMBOL: capacity
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-: (draw-point) ( { x y } -- ) GL_POINTS glBegin first2 glVertex2f glEnd ;
-
-: draw-point ( { x y } -- ) [ (draw-point) ] curry add-dlist ;
-
-: (draw-line) ( a b -- )
-GL_LINES glBegin first2 glVertex2f first2 glVertex2f glEnd ;
-
-: draw-line ( a b -- ) [ (draw-line) ] curry curry add-dlist ;
-
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-: reset-slate ( -- ) [ ] set-action reset-dlist ;
-
 PROVIDE: contrib/slate ;