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draw2d
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move freetype dependency to draw2dimg

This commit is contained in:
Laurent Le Goff 2015-08-14 22:22:01 +02:00
parent 3b19ab855e
commit 1e0467b8fc
4 changed files with 34 additions and 33 deletions
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26
draw2dbase/stroker.go
View File

@ -4,33 +4,11 @@
package draw2dbase
import (
"code.google.com/p/freetype-go/freetype/raster"
"github.com/llgcode/draw2d"
"math"
"github.com/llgcode/draw2d"
)
func toFtCap(c draw2d.LineCap) raster.Capper {
switch c {
case draw2d.RoundCap:
return raster.RoundCapper
case draw2d.ButtCap:
return raster.ButtCapper
case draw2d.SquareCap:
return raster.SquareCapper
}
return raster.RoundCapper
}
func toFtJoin(j draw2d.LineJoin) raster.Joiner {
switch j {
case draw2d.RoundJoin:
return raster.RoundJoiner
case draw2d.BevelJoin:
return raster.BevelJoiner
}
return raster.RoundJoiner
}
type LineStroker struct {
Flattener Flattener
HalfLineWidth float64

9
draw2dgl/gc.go
View File

@ -10,6 +10,7 @@ import (
"github.com/go-gl/gl/v2.1/gl"
"github.com/llgcode/draw2d"
"github.com/llgcode/draw2d/draw2dbase"
"github.com/llgcode/draw2d/draw2dimg"
)
func init() {
@ -188,7 +189,7 @@ func (gc *GraphicContext) Stroke(paths ...*draw2d.Path) {
paths = append(paths, gc.Current.Path)
gc.strokeRasterizer.UseNonZeroWinding = true
stroker := draw2dbase.NewLineStroker(gc.Current.Cap, gc.Current.Join, draw2dbase.Transformer{gc.Current.Tr, draw2dbase.FtLineBuilder{gc.strokeRasterizer}})
stroker := draw2dbase.NewLineStroker(gc.Current.Cap, gc.Current.Join, draw2dbase.Transformer{Tr: gc.Current.Tr, Flattener: draw2dimg.FtLineBuilder{Adder: gc.strokeRasterizer}})
stroker.HalfLineWidth = gc.Current.LineWidth / 2
var liner draw2dbase.Flattener
@ -209,7 +210,7 @@ func (gc *GraphicContext) Fill(paths ...*draw2d.Path) {
gc.fillRasterizer.UseNonZeroWinding = useNonZeroWinding(gc.Current.FillRule)
/**** first method ****/
flattener := draw2dbase.Transformer{gc.Current.Tr, draw2dbase.FtLineBuilder{gc.fillRasterizer}}
flattener := draw2dbase.Transformer{Tr: gc.Current.Tr, Flattener: draw2dimg.FtLineBuilder{Adder: gc.fillRasterizer}}
for _, p := range paths {
draw2dbase.Flatten(p, flattener, gc.Current.Tr.GetScale())
}
@ -222,9 +223,9 @@ func (gc *GraphicContext) FillStroke(paths ...*draw2d.Path) {
gc.fillRasterizer.UseNonZeroWinding = useNonZeroWinding(gc.Current.FillRule)
gc.strokeRasterizer.UseNonZeroWinding = true
flattener := draw2dbase.Transformer{gc.Current.Tr, draw2dbase.FtLineBuilder{gc.fillRasterizer}}
flattener := draw2dbase.Transformer{gc.Current.Tr, draw2dimg.FtLineBuilder{gc.fillRasterizer}}
stroker := draw2dbase.NewLineStroker(gc.Current.Cap, gc.Current.Join, draw2dbase.Transformer{gc.Current.Tr, draw2dbase.FtLineBuilder{gc.strokeRasterizer}})
stroker := draw2dbase.NewLineStroker(gc.Current.Cap, gc.Current.Join, draw2dbase.Transformer{gc.Current.Tr, draw2dimg.FtLineBuilder{gc.strokeRasterizer}})
stroker.HalfLineWidth = gc.Current.LineWidth / 2
var liner draw2dbase.Flattener

30
draw2dimg/ftgc.go
View File

@ -244,7 +244,7 @@ func (gc *GraphicContext) Stroke(paths ...*draw2d.Path) {
paths = append(paths, gc.Current.Path)
gc.strokeRasterizer.UseNonZeroWinding = true
stroker := draw2dbase.NewLineStroker(gc.Current.Cap, gc.Current.Join, draw2dbase.Transformer{Tr: gc.Current.Tr, Flattener: draw2dbase.FtLineBuilder{Adder: gc.strokeRasterizer}})
stroker := draw2dbase.NewLineStroker(gc.Current.Cap, gc.Current.Join, draw2dbase.Transformer{Tr: gc.Current.Tr, Flattener: FtLineBuilder{Adder: gc.strokeRasterizer}})
stroker.HalfLineWidth = gc.Current.LineWidth / 2
var liner draw2dbase.Flattener
@ -266,7 +266,7 @@ func (gc *GraphicContext) Fill(paths ...*draw2d.Path) {
gc.fillRasterizer.UseNonZeroWinding = gc.Current.FillRule == draw2d.FillRuleWinding
/**** first method ****/
flattener := draw2dbase.Transformer{Tr: gc.Current.Tr, Flattener: draw2dbase.FtLineBuilder{Adder: gc.fillRasterizer}}
flattener := draw2dbase.Transformer{Tr: gc.Current.Tr, Flattener: FtLineBuilder{Adder: gc.fillRasterizer}}
for _, p := range paths {
draw2dbase.Flatten(p, flattener, gc.Current.Tr.GetScale())
}
@ -280,9 +280,9 @@ func (gc *GraphicContext) FillStroke(paths ...*draw2d.Path) {
gc.fillRasterizer.UseNonZeroWinding = gc.Current.FillRule == draw2d.FillRuleWinding
gc.strokeRasterizer.UseNonZeroWinding = true
flattener := draw2dbase.Transformer{Tr: gc.Current.Tr, Flattener: draw2dbase.FtLineBuilder{Adder: gc.fillRasterizer}}
flattener := draw2dbase.Transformer{Tr: gc.Current.Tr, Flattener: FtLineBuilder{Adder: gc.fillRasterizer}}
stroker := draw2dbase.NewLineStroker(gc.Current.Cap, gc.Current.Join, draw2dbase.Transformer{Tr: gc.Current.Tr, Flattener: draw2dbase.FtLineBuilder{Adder: gc.strokeRasterizer}})
stroker := draw2dbase.NewLineStroker(gc.Current.Cap, gc.Current.Join, draw2dbase.Transformer{Tr: gc.Current.Tr, Flattener: FtLineBuilder{Adder: gc.strokeRasterizer}})
stroker.HalfLineWidth = gc.Current.LineWidth / 2
var liner draw2dbase.Flattener
@ -302,3 +302,25 @@ func (gc *GraphicContext) FillStroke(paths ...*draw2d.Path) {
// Stroke
gc.paint(gc.strokeRasterizer, gc.Current.StrokeColor)
}
func toFtCap(c draw2d.LineCap) raster.Capper {
switch c {
case draw2d.RoundCap:
return raster.RoundCapper
case draw2d.ButtCap:
return raster.ButtCapper
case draw2d.SquareCap:
return raster.SquareCapper
}
return raster.RoundCapper
}
func toFtJoin(j draw2d.LineJoin) raster.Joiner {
switch j {
case draw2d.RoundJoin:
return raster.RoundJoiner
case draw2d.BevelJoin:
return raster.BevelJoiner
}
return raster.RoundJoiner
}

2
draw2dbase/ftpath.go → draw2dimg/ftpath.go
View File

@ -1,7 +1,7 @@
// Copyright 2010 The draw2d Authors. All rights reserved.
// created: 13/12/2010 by Laurent Le Goff
package draw2dbase
package draw2dimg
import (
"code.google.com/p/freetype-go/freetype/raster"