add android sample

samples/android/android.go

@@ -0,0 +1,75 @@
+// Copyright 2010 The draw2d Authors. All rights reserved.
+// created: 21/11/2010 by Laurent Le Goff
+
+// Package android draws an android avatar.
+package android
+
+import (
+	"image/color"
+	"math"
+
+	"github.com/llgcode/draw2d"
+	"github.com/llgcode/draw2d/samples"
+)
+
+// Main draws a droid and returns the filename. This should only be
+// used during testing.
+func Main(gc draw2d.GraphicContext, ext string) (string, error) {
+	// Draw the droid
+	Draw(gc, 65, 0)
+
+	// Return the output filename
+	return samples.Output("android", ext), nil
+}
+
+// Draw the droid on a certain position.
+func Draw(gc draw2d.GraphicContext, x, y float64) {
+	// set the fill and stroke color of the droid
+	gc.SetFillColor(color.RGBA{0x44, 0xff, 0x44, 0xff})
+	gc.SetStrokeColor(color.RGBA{0x44, 0x44, 0x44, 0xff})
+
+	// set line properties
+	gc.SetLineCap(draw2d.RoundCap)
+	gc.SetLineWidth(5)
+
+	// head
+	gc.MoveTo(x+30, y+70)
+	gc.ArcTo(x+80, y+70, 50, 50, 180*(math.Pi/180), 180*(math.Pi/180))
+	gc.Close()
+	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()
+
+	// left eye
+	draw2d.Circle(gc, x+60, y+45, 5)
+	gc.FillStroke()
+
+	// right eye
+	draw2d.Circle(gc, x+100, y+45, 5)
+	gc.FillStroke()
+
+	// body
+	draw2d.RoundRect(gc, x+30, y+75, x+30+100, y+75+90, 10, 10)
+	gc.FillStroke()
+	draw2d.Rect(gc, x+30, y+75, x+30+100, y+75+80)
+	gc.FillStroke()
+
+	// left arm
+	draw2d.RoundRect(gc, x+5, y+80, x+5+20, y+80+70, 10, 10)
+	gc.FillStroke()
+
+	// right arm
+	draw2d.RoundRect(gc, x+135, y+80, x+135+20, y+80+70, 10, 10)
+	gc.FillStroke()
+
+	// left leg
+	draw2d.RoundRect(gc, x+50, y+150, x+50+20, y+150+50, 10, 10)
+	gc.FillStroke()
+
+	// right leg
+	draw2d.RoundRect(gc, x+90, y+150, x+90+20, y+150+50, 10, 10)
+	gc.FillStroke()
+}