35 lines
807 B
Go
35 lines
807 B
Go
package main
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import "github.com/fogleman/gg"
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func main() {
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const W = 400
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const H = 500
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im, err := gg.LoadPNG("examples/gopher.png")
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if err != nil {
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panic(err)
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}
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iw, ih := im.Bounds().Dx(), im.Bounds().Dy()
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dc := gg.NewContext(W, H)
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// draw outline
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dc.SetHexColor("#ff0000")
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dc.SetLineWidth(1)
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dc.DrawRectangle(0, 0, float64(W), float64(H))
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dc.Stroke()
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// draw full image
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dc.SetHexColor("#0000ff")
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dc.SetLineWidth(2)
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dc.DrawRectangle(100, 210, float64(iw), float64(ih))
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dc.Stroke()
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dc.DrawImage(im, 100, 210)
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// draw image with current matrix applied
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dc.SetHexColor("#0000ff")
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dc.SetLineWidth(2)
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dc.Rotate(gg.Radians(10))
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dc.DrawRectangle(100, 0, float64(iw), float64(ih)/2+20.0)
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dc.StrokePreserve()
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dc.Clip()
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dc.DrawImageAnchored(im, 100, 0, 0.0, 0.0)
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dc.SavePNG("out.png")
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}
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