func main() {
file, err := os.Open("android.png")
if err != nil {
log.Fatal(err)
}
defer file.Close()
a, _, err := image.Decode(file)
//load go icon image
file2, err := os.Open("go.png")
if err != nil {
log.Fatal(err)
}
defer file2.Close()
g, _, err := image.Decode(file2)
if err != nil {
log.Fatal(err)
}
ar := a.Bounds()
w, h, x := ar.Dx(), ar.Dy(), 30.0
i := image.NewRGBA(image.Rect(0, 0, w, h))
draw.Draw(i, ar, a, ar.Min, draw.Src)
tr := draw2d.NewRotationMatrix(x * (math.Pi / 180.0))
draw2d.DrawImage(g, i, tr, draw.Over, draw2d.LinearFilter)
saveToPngFile("Test2.png", i)
}
func rotate(interpreter *Interpreter) {
value := interpreter.Pop()
matrix, ok := value.(draw2d.MatrixTransform)
var angle float64
if !ok {
matrix = interpreter.GetGraphicContext().GetMatrixTransform()
angle = value.(float64) * math.Pi / 180
} else {
angle = interpreter.PopFloat() * math.Pi / 180
}
if !ok {
interpreter.GetGraphicContext().Rotate(angle)
} else {
matrix = draw2d.NewRotationMatrix(angle).Multiply(matrix)
interpreter.Push(matrix)
}
}