135 lines
2.7 KiB
Go
135 lines
2.7 KiB
Go
package main
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import (
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"fmt"
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"log"
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"os"
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"bufio"
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"time"
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"math"
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"image"
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"image/png"
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"draw2d.googlecode.com/hg/draw2d"
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)
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const (
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width, height = 300, 200
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)
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var (
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lastTime int64
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folder = "../resource/result/"
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)
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func initGc(w, h int) (image.Image, draw2d.GraphicContext) {
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i := image.NewRGBA(w, h)
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gc := draw2d.NewGraphicContext(i)
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lastTime = time.Nanoseconds()
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gc.SetStrokeColor(image.Black)
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gc.SetFillColor(image.White)
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// fill the background
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//gc.Clear()
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return i, gc
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}
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func saveToPngFile(TestName string, m image.Image) {
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dt := time.Nanoseconds() - lastTime
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fmt.Printf("%s during: %f ms\n", TestName, float64(dt)*1e-6)
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filePath := folder + TestName + ".png"
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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 gordon(gc draw2d.GraphicContext, x, y, w, h float64) {
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h23 := (h * 2) / 3
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blf := image.RGBAColor{0, 0, 0, 0xff}
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wf := image.RGBAColor{0xff, 0xff, 0xff, 0xff}
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nf := image.RGBAColor{0x8B, 0x45, 0x13, 0xff}
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brf := image.RGBAColor{0x8B, 0x45, 0x13, 0x99}
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brb := image.RGBAColor{0x8B, 0x45, 0x13, 0xBB}
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gc.MoveTo(x, y+h)
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gc.CubicCurveTo(x, y+h, x+w/2, y-h, x+w, y+h)
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gc.Close()
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gc.SetFillColor(brb)
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gc.Fill()
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draw2d.RoundRect(gc, x, y+h, x+w, y+h+h, 10, 10)
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gc.Fill()
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draw2d.Circle(gc, x, y+h, w/12) // left ear
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gc.SetFillColor(brf)
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gc.Fill()
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draw2d.Circle(gc, x, y+h, w/12-10)
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gc.SetFillColor(nf)
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gc.Fill()
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draw2d.Circle(gc, x+w, y+h, w/12) // right ear
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gc.SetFillColor(brf)
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gc.Fill()
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draw2d.Circle(gc, x+w, y+h, w/12-10)
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gc.SetFillColor(nf)
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gc.Fill()
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draw2d.Circle(gc, x+w/3, y+h23, w/9) // left eye
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gc.SetFillColor(wf)
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gc.Fill()
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draw2d.Circle(gc, x+w/3+10, y+h23, w/10-10)
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gc.SetFillColor(blf)
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gc.Fill()
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draw2d.Circle(gc, x+w/3+15, y+h23, 5)
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gc.SetFillColor(wf)
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gc.Fill()
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draw2d.Circle(gc, x+w-w/3, y+h23, w/9) // right eye
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gc.Fill()
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draw2d.Circle(gc, x+w-w/3+10, y+h23, w/10-10)
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gc.SetFillColor(blf)
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gc.Fill()
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draw2d.Circle(gc, x+w-(w/3)+15, y+h23, 5)
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gc.SetFillColor(wf)
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gc.Fill()
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gc.SetFillColor(wf)
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draw2d.RoundRect(gc, x+w/2-w/8, y+h+30, x+w/2-w/8+w/8, y+h+30+w/6, 5, 5) // left tooth
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gc.Fill()
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draw2d.RoundRect(gc, x+w/2, y+h+30, x+w/2+w/8, y+h+30+w/6, 5, 5) // right tooth
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gc.Fill()
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draw2d.Ellipse(gc, x+(w/2), y+h+30, w/6, w/12) // snout
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gc.SetFillColor(nf)
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gc.Fill()
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draw2d.Ellipse(gc, x+(w/2), y+h+10, w/10, w/12) // nose
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gc.SetFillColor(blf)
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gc.Fill()
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}
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func main() {
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i, gc := initGc(width, height)
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gc.Clear()
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gc.Translate(-75, 58)
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gc.Rotate(-30 * (math.Pi / 180.0))
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gordon(gc, 48, 48, 240, 72)
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saveToPngFile("TestGopher", i)
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}
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