64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
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package main
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import (
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"bufio"
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"fmt"
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"log"
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"os"
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"code.google.com/p/draw2d/draw2d"
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"image"
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"image/draw"
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"image/png"
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"math"
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)
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func saveToPngFile(filePath string, m image.Image) {
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f, err := os.Create(filePath)
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if err != nil {
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log.Println(err)
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os.Exit(1)
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}
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defer f.Close()
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b := bufio.NewWriter(f)
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err = png.Encode(b, m)
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if err != nil {
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log.Println(err)
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os.Exit(1)
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}
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err = b.Flush()
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if err != nil {
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log.Println(err)
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os.Exit(1)
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}
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fmt.Printf("Wrote %s OK.\n", filePath)
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}
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func main() {
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file, err := os.Open("android.png")
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if err != nil {
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log.Fatal(err)
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}
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defer file.Close()
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a, _, err := image.Decode(file)
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//load go icon image
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file2, err := os.Open("go.png")
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if err != nil {
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log.Fatal(err)
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}
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defer file2.Close()
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g, _, err := image.Decode(file2)
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if err != nil {
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log.Fatal(err)
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}
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ar := a.Bounds()
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w, h, x := ar.Dx(), ar.Dy(), 30.0
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i := image.NewRGBA(image.Rect(0, 0, w, h))
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draw.Draw(i, ar, a, ar.Min, draw.Src)
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tr := draw2d.NewRotationMatrix(x*(math.Pi / 180.0))
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draw2d.DrawImage(g, i, tr, draw.Over, draw2d.LinearFilter)
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saveToPngFile("Test2.png", i)
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}
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