func test(t *testing.T, draw sample) {
// Initialize the graphic context on an RGBA image
dest := image.NewRGBA(image.Rect(0, 0, 297, 210.0))
gc := draw2dimg.NewGraphicContext(dest)
// Draw Android logo
output, err := draw(gc, "png")
if err != nil {
t.Errorf("Drawing %q failed: %v", output, err)
return
}
// Save to png
err = draw2dimg.SaveToPngFile(output, dest)
if err != nil {
t.Errorf("Saving %q failed: %v", output, err)
}
}
func (jc JointCutter) cutInternal(joint PieceJoint, img image.Image) (image.Image, error) {
var radius, x, y int
//todo dry it up
//todo when there is more than one middle row it is not cutting pieces correctly
if joint.Side == TOP_SIDE {
radius = Percentage(jc.Piece, PERCENTAGE)
x, y = img.Bounds().Max.X/2, img.Bounds().Min.Y
} else if joint.Side == RIGHT_SIDE {
radius = Percentage(jc.Piece, PERCENTAGE)
percentInc := 0.0
if hasExternalJoint(jc.Piece, 0) {
percentInc += PERCENTAGE
x, y = img.Bounds().Max.X, (img.Bounds().Max.Y+Percentage(jc.Piece, percentInc))/2
} else if hasExternalJoint(jc.Piece, 2) {
percentInc += PERCENTAGE
x, y = img.Bounds().Max.X, (img.Bounds().Max.Y-Percentage(jc.Piece, percentInc))/2
} else {
x, y = img.Bounds().Max.X, img.Bounds().Max.Y/2
}
} else if joint.Side == BOTTOM_SIDE {
radius = Percentage(jc.Piece, PERCENTAGE)
x, y = img.Bounds().Max.X/2, img.Bounds().Max.Y
} else if joint.Side == LEFT_SIDE {
radius = Percentage(jc.Piece, PERCENTAGE)
percentInc := 0.0
if hasExternalJoint(jc.Piece, 0) {
percentInc += PERCENTAGE
x, y = img.Bounds().Min.X, (img.Bounds().Max.Y+Percentage(jc.Piece, percentInc))/2
} else if hasExternalJoint(jc.Piece, 2) {
percentInc += PERCENTAGE
x, y = img.Bounds().Min.X, (img.Bounds().Max.Y-Percentage(jc.Piece, percentInc))/2
} else {
x, y = img.Bounds().Min.X, img.Bounds().Max.Y/2
}
}
imageContext := image.NewRGBA(img.Bounds())
circleImg := &circle{image.Pt(x, y), radius, img, false, image.Rectangle{}}
draw.Draw(imageContext, img.Bounds(), circleImg, img.Bounds().Min, draw.Src)
draw2dimg.SaveToPngFile("./out/"+jc.Piece.Name+".png", imageContext)
return imageContext, nil
}
func TestCircle(t *testing.T) {
width := 200
height := 200
img := image.NewRGBA(image.Rect(0, 0, width, height))
gc := draw2dimg.NewGraphicContext(img)
gc.SetStrokeColor(color.NRGBA{255, 255, 255, 255})
gc.SetFillColor(color.NRGBA{255, 255, 255, 255})
gc.Clear()
gc.SetStrokeColor(color.NRGBA{255, 0, 0, 255})
gc.SetLineWidth(1)
// Draw a circle
Circle(gc, 100, 100, 50)
gc.Stroke()
draw2dimg.SaveToPngFile("../output/draw2dkit/TestCircle.png", img)
}
//shapes the rectangular piece removing and add joint pieces
func (JigsawPieceCutter) ShapePiece(piece *Piece) (*Piece, error) {
//fill a semi circle with transparency
//the piece is 20% larger on each side add any cuts then crop down sides without external piece
jointCutter := JointCutter{Piece: piece}
fmt.Println("cutting piece ", piece.Name, piece.Joints)
var img = piece.Image
var err error
for _, joint := range piece.Joints {
if !joint.External {
img, err = jointCutter.cutInternal(joint, img)
if err != nil {
return nil, err
}
} else {
img, err = jointCutter.cutExternal(joint, img)
}
}
draw2dimg.SaveToPngFile("./out/"+piece.Name+".png", img)
return piece, nil
}