draw2d/cmd/testandroid.go

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package main
import (
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"bufio"
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"fmt"
"image"
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"image/color"
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"image/png"
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"log"
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"math"
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"os"
"github.com/llgcode/draw2d/draw2d"
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)
const (
width, height = 178, 224
)
var (
lastTime int64
folder = "../resource/result/"
)
func initGc(w, h int) (image.Image, draw2d.GraphicContext) {
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i := image.NewRGBA(image.Rect(0, 0, w, h))
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gc := draw2d.NewGraphicContext(i)
gc.SetStrokeColor(image.Black)
gc.SetFillColor(image.White)
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// fill the background
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//gc.Clear()
return i, gc
}
func saveToPngFile(TestName string, m image.Image) {
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)
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gc.SetFillColor(color.RGBA{0x44, 0xff, 0x44, 0xff})
gc.SetStrokeColor(color.RGBA{0x44, 0x44, 0x44, 0xff})
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android(gc, 10, 10)
saveToPngFile("TestAndroid", i)
}