Esempio n. 1
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// 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
}
Esempio n. 2
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// 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
}
Esempio n. 3
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// NewGraphicContext creates a new pdf GraphicContext
func NewGraphicContext(pdf *gofpdf.Fpdf) *GraphicContext {
	gc := &GraphicContext{draw2dbase.NewStackGraphicContext(), pdf, DPI}
	gc.SetDPI(DPI)
	return gc
}