package main import ( "fmt" "log" "os" "bufio" "time" "math" "image" "image/png" "draw2d.googlecode.com/hg/draw2d" ) const ( width, height = 178, 224 ) var ( lastTime int64 folder = "../resource/result/" ) func initGc(w, h int) (image.Image, draw2d.GraphicContext) { i := image.NewRGBA(w, h) gc := draw2d.NewGraphicContext(i) lastTime = time.Nanoseconds() gc.SetStrokeColor(image.Black) gc.SetFillColor(image.White) // fill the background //gc.Clear() return i, gc } func saveToPngFile(TestName string, m image.Image) { dt := time.Nanoseconds() - lastTime fmt.Printf("%s during: %f ms\n", TestName, float64(dt)*1e-6) filePath := folder + TestName + ".png" f, err := os.Create(filePath) if err != nil { log.Println(err) os.Exit(1) } defer f.Close() b := bufio.NewWriter(f) err = png.Encode(b, m) if err != nil { log.Println(err) os.Exit(1) } err = b.Flush() if err != nil { log.Println(err) os.Exit(1) } fmt.Printf("Wrote %s OK.\n", filePath) } func android(gc draw2d.GraphicContext, x, y float64) { gc.SetLineCap(draw2d.RoundCap) gc.SetLineWidth(5) gc.ArcTo(x+80, y+70, 50, 50, 180*(math.Pi/180), 360*(math.Pi/180)) // head gc.FillStroke() gc.MoveTo(x+60, y+25) gc.LineTo(x+50, y+10) gc.MoveTo(x+100, y+25) gc.LineTo(x+110, y+10) gc.Stroke() draw2d.Circle(gc, x+60, y+45, 5) // left eye gc.FillStroke() draw2d.Circle(gc, x+100, y+45, 5) // right eye gc.FillStroke() draw2d.RoundRect(gc, x+30, y+75, x+30+100, y+75+90, 10, 10) // body gc.FillStroke() draw2d.Rect(gc, x+30, y+75, x+30+100, y+75+80) gc.FillStroke() draw2d.RoundRect(gc, x+5, y+80, x+5+20, y+80+70, 10, 10) // left arm gc.FillStroke() draw2d.RoundRect(gc, x+135, y+80, x+135+20, y+80+70, 10, 10) // right arm gc.FillStroke() draw2d.RoundRect(gc, x+50, y+150, x+50+20, y+150+50, 10, 10) // left leg gc.FillStroke() draw2d.RoundRect(gc, x+90, y+150, x+90+20, y+150+50, 10, 10) // right leg gc.FillStroke() } func main() { i, gc := initGc(width, height) gc.SetFillColor(image.RGBAColor{0x44, 0xff, 0x44, 0xff}) gc.SetStrokeColor(image.RGBAColor{0x44, 0x44, 0x44, 0xff}) android(gc, 10, 10) saveToPngFile("TestAndroid", i) }