Golang NewRasterizer示例

示例#1

文件： gc.go 项目： ninjasphere/draw2d

// NewGraphicContext creates a new Graphic context from an image.
func NewGraphicContext(width, height int) *GraphicContext {
	gc := &GraphicContext{
		draw2dbase.NewStackGraphicContext(),
		NewPainter(),
		raster.NewRasterizer(width, height),
		raster.NewRasterizer(width, height),
	}
	return gc
}

示例#2

文件： ftgc.go 项目： ninjasphere/draw2d

// NewGraphicContextWithPainter creates a new Graphic context from an image and a Painter (see Freetype-go)
func NewGraphicContextWithPainter(img draw.Image, painter Painter) *GraphicContext {
	width, height := img.Bounds().Dx(), img.Bounds().Dy()
	dpi := 92
	gc := &GraphicContext{
		draw2dbase.NewStackGraphicContext(),
		img,
		painter,
		raster.NewRasterizer(width, height),
		raster.NewRasterizer(width, height),
		truetype.NewGlyphBuf(),
		dpi,
	}
	return gc
}