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refactor

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This commit is contained in:
Michael Fogleman 2016-02-19 20:54:59 -05:00
parent cf2e9fdfaf
commit 4ce170694c
1 changed files with 15 additions and 9 deletions
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24
context.go
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@ -204,28 +204,34 @@ func (dc *Context) ClearPath() {
// Path Drawing // Path Drawing
func (dc *Context) StrokePreserve() { func (dc *Context) capper() raster.Capper {
var capper raster.Capper
switch dc.lineCap { switch dc.lineCap {
case LineCapButt: case LineCapButt:
capper = raster.ButtCapper return raster.ButtCapper
case LineCapRound: case LineCapRound:
capper = raster.RoundCapper return raster.RoundCapper
case LineCapSquare: case LineCapSquare:
capper = raster.SquareCapper return raster.SquareCapper
} }
var joiner raster.Joiner return nil
}
func (dc *Context) joiner() raster.Joiner {
switch dc.lineJoin { switch dc.lineJoin {
case LineJoinBevel: case LineJoinBevel:
joiner = raster.BevelJoiner return raster.BevelJoiner
case LineJoinRound: case LineJoinRound:
joiner = raster.RoundJoiner return raster.RoundJoiner
} }
return nil
}
func (dc *Context) StrokePreserve() {
painter := raster.NewRGBAPainter(dc.im) painter := raster.NewRGBAPainter(dc.im)
painter.SetColor(dc.color) painter.SetColor(dc.color)
r := raster.NewRasterizer(dc.width, dc.height) r := raster.NewRasterizer(dc.width, dc.height)
r.UseNonZeroWinding = true r.UseNonZeroWinding = true
r.AddStroke(dc.path, fi(dc.lineWidth), capper, joiner) r.AddStroke(dc.path, fi(dc.lineWidth), dc.capper(), dc.joiner())
r.Rasterize(painter) r.Rasterize(painter)
} }