Summary
Parsers for the TinyVG image format

Metadata

Authors:

John Benediktsson

Words

Tuple classes

Class	Superclass	Slots
arc	instruction	large-arc? sweep?
arc-circle	arc	radius target
arc-ellipse	arc	radius-x radius-y rotation target
close-path	instruction
cubic-bezier	instruction	control0 control1 point1
diagonal-line	instruction	position
draw-line	tuple	line-style line-width
draw-line-loop	draw-line	points
draw-line-path	draw-line	path
draw-line-strip	draw-line	points
draw-lines	draw-line	lines
fill	tuple	fill-style
fill-path	fill	path
fill-polygon	fill	polygon
fill-rectangles	fill	rectangles
flat-colored	tuple	color-index
gradient	tuple	point0 point1 color-index0 color-index1
horizontal-line	instruction	x
instruction	tuple	line-width
invalid-color	tuple	color-index
invalid-length	tuple	n
line	tuple	start end
linear-gradient	gradient
outline-fill	tuple	fill-style line-style line-width
outline-fill-path	outline-fill	path
outline-fill-polygon	outline-fill	points
outline-fill-rectangles	outline-fill	rectangles
point	tuple	x y
quadratic-bezier	instruction	control point1
radial-gradient	gradient
rectangle	tuple	x y width height
segment	tuple	start instructions
tinyvg	tuple	scale color-encoding coordinate-range width height color-table commands
vertical-line	instruction	y

Generic words

Word	Stack effect
write-command	( command -- )
write-instruction	( instruction -- )
write-style	( style -- )

Symbol words

color-encoding

color-table

coordinate-range

scale-factor

Ordinary words

Word	Stack effect
<arc-circle>	( line-width large-arc? sweep? radius target -- arc-circle )
<arc-ellipse>	( line-width large-arc? sweep? radius-x radius-y rotation target -- arc-ellipse )
<close-path>	( line-width -- close-path )
<cubic-bezier>	( line-width control0 control1 point1 -- cubic-bezier )
<diagonal-line>	( line-width position -- diagonal-line )
<draw-line-loop>	( line-style line-width points -- draw-line-loop )
<draw-line-path>	( line-style line-width path -- draw-line-path )
<draw-line-strip>	( line-style line-width points -- draw-line-strip )
<draw-lines>	( line-style line-width lines -- draw-lines )
<fill-path>	( fill-style path -- fill-path )
<fill-polygon>	( fill-style polygon -- fill-polygon )
<fill-rectangles>	( fill-style rectangles -- fill-rectangles )
<flat-colored>	( color-index -- flat-colored )
<horizontal-line>	( line-width x -- horizontal-line )
<line>	( start end -- line )
<linear-gradient>	( point0 point1 color-index0 color-index1 -- linear-gradient )
<outline-fill-path>	( fill-style line-style line-width path -- outline-fill-path )
<outline-fill-polygon>	( fill-style line-style line-width points -- outline-fill-polygon )
<outline-fill-rectangles>	( fill-style line-style line-width rectangles -- outline-fill-rectangles )
<point>	( x y -- point )
<quadratic-bezier>	( line-width control point1 -- quadratic-bezier )
<radial-gradient>	( point0 point1 color-index0 color-index1 -- radial-gradient )
<rectangle>	( x y width height -- rectangle )
<segment>	( start instructions -- segment )
<tinyvg>	( scale color-encoding coordinate-range width height color-table commands -- tinyvg )
<vertical-line>	( line-width y -- vertical-line )
bytes>tinyvg	( byte-array -- tinyvg )
check-color	( color-index -- color-index )
coordinate-bytes	( -- n )
invalid-color	( color-index -- * )
invalid-length	( n -- * )
path>tinyvg	( path -- tinyvg )
read-arc	( -- large-arc? sweep? )
read-color	( -- color )
read-color-index	( -- color-index )
read-color-table	( color-count -- color-table )
read-command	( -- command/f )
read-commands	( -- commands )
read-draw-line	( style-kind -- line-style line-width count )
read-draw-line-loop	( style-kind -- command )
read-draw-line-path	( style-kind -- command )
read-draw-line-strip	( style-kind -- command )
read-draw-lines	( style-kind -- command )
read-fill	( style-kind -- style count )
read-fill-path	( style-kind -- command )
read-fill-polygon	( style-kind -- command )
read-fill-rectangles	( style-kind -- command )
read-float32	( -- n )
read-gradient	( class -- style )
read-instruction	( -- instruction )
read-instructions	( n -- instructions )
read-line	( -- line )
read-lines	( n -- rectangles )
read-outline-fill	( style-kind -- fill-style line-style line-width count )
read-outline-fill-path	( style-kind -- command )
read-outline-fill-polygon	( style-kind -- command )
read-outline-fill-rectangles	( style-kind -- command )
read-path	( segment-count -- segments )
read-point	( -- point )
read-points	( n -- rectangles )
read-rectangle	( -- rectangle )
read-rectangles	( n -- rectangles )
read-rgb-565	( -- rgba )
read-rgba-8888	( -- rgba )
read-rgba-f32	( -- rgba )
read-segment	( n -- segment )
read-style	( style-kind -- style )
read-tag	( -- line-width/f tag )
read-tinyvg	( -- tinyvg )
read-unit	( -- n )
read-varuint	( -- n )
tinyvg-magic	( -- value )
tinyvg-version	( -- value )
tinyvg>bytes	( tinyvg -- byte-array )
tinyvg>path	( tinyvg path -- )
write-arc	( instruction -- )
write-color	( color -- )
write-commands	( commands -- )
write-draw-line	( command n seq -- )
write-fill	( command n seq -- )
write-float32	( n -- )
write-length	( n -- )
write-line	( line -- )
write-outline-fill	( command n seq -- )
write-path	( segments -- )
write-point	( point -- )
write-rectangle	( rectangle -- )
write-rgb-565	( rgba -- )
write-rgba-8888	( rgba -- )
write-rgba-f32	( rgba -- )
write-segment	( segment -- )
write-style-kind	( style n -- )
write-tag	( instruction n -- )
write-tinyvg	( tinyvg -- )
write-unit	( n -- )
write-varuint	( n -- )

Class predicate words

Word	Stack effect
arc-circle?	( object -- ? )
arc-ellipse?	( object -- ? )
arc?	( object -- ? )
close-path?	( object -- ? )
cubic-bezier?	( object -- ? )
diagonal-line?	( object -- ? )
draw-line-loop?	( object -- ? )
draw-line-path?	( object -- ? )
draw-line-strip?	( object -- ? )
draw-line?	( object -- ? )
draw-lines?	( object -- ? )
fill-path?	( object -- ? )
fill-polygon?	( object -- ? )
fill-rectangles?	( object -- ? )
fill?	( object -- ? )
flat-colored?	( object -- ? )
gradient?	( object -- ? )
horizontal-line?	( object -- ? )
instruction?	( object -- ? )
invalid-color?	( object -- ? )
invalid-length?	( object -- ? )
line?	( object -- ? )
linear-gradient?	( object -- ? )
outline-fill-path?	( object -- ? )
outline-fill-polygon?	( object -- ? )
outline-fill-rectangles?	( object -- ? )
outline-fill?	( object -- ? )
point?	( object -- ? )
quadratic-bezier?	( object -- ? )
radial-gradient?	( object -- ? )
rectangle?	( object -- ? )
segment?	( object -- ? )
tinyvg?	( object -- ? )
vertical-line?	( object -- ? )

Files


Metadata files