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 (jc JointCutter) cutExternal(joint PieceJoint, from image.Image) (image.Image, error) {
var x, y int
var piece = jc.Piece
var imageContext = image.NewRGBA(from.Bounds())
var circleImg *circle
var percentInc = 0.0
var positive = true
if joint.Side == RIGHT_SIDE || joint.Side == LEFT_SIDE {
if hasExternalJoint(jc.Piece, 0) && hasExternalJoint(jc.Piece, 2) {
percentInc = 0.0
} else if hasExternalJoint(jc.Piece, 0) {
percentInc += PERCENTAGE
} else if hasExternalJoint(jc.Piece, 2) {
percentInc += PERCENTAGE
positive = false
//move up 20%
}
} else if joint.Side == BOTTOM_SIDE || joint.Side == TOP_SIDE {
if hasExternalJoint(jc.Piece, 3) && hasExternalJoint(jc.Piece, 1) {
percentInc = 0.0
} else if hasExternalJoint(jc.Piece, 3) {
percentInc += PERCENTAGE
} else if hasExternalJoint(jc.Piece, 1) {
percentInc += PERCENTAGE
}
}
if joint.Side == RIGHT_SIDE {
//move back Percentage amount
y = (from.Bounds().Max.Y + Percentage(piece, percentInc)) / 2
if !positive {
y = (from.Bounds().Max.Y - Percentage(piece, percentInc)) / 2
}
x = (from.Bounds().Max.X - Percentage(piece, PERCENTAGE))
point := image.Pt(x, y)
circleImg = &circle{point, variableRadius(piece), from, true, image.Rect(point.X, from.Bounds().Max.Y, from.Bounds().Max.X, from.Bounds().Min.Y)}
}
//left
if joint.Side == LEFT_SIDE {
x, y = (from.Bounds().Min.X + Percentage(piece, PERCENTAGE)), (from.Bounds().Max.Y+Percentage(piece, percentInc))/2 //half way down the left side
point := image.Pt(x, y)
circleImg = &circle{point, variableRadius(piece), from, true, image.Rect(point.X, from.Bounds().Min.Y, from.Bounds().Min.X, from.Bounds().Max.Y)}
}
//top
if joint.Side == TOP_SIDE {
x, y = from.Bounds().Max.X/2, from.Bounds().Min.Y+Percentage(piece, PERCENTAGE) //half way across top line
point := image.Pt(x, y) //where the circle is centered around
circleImg = &circle{point, variableRadius(piece), from, true, image.Rect(from.Bounds().Max.X, y, from.Bounds().Min.X, from.Bounds().Min.Y)}
}
//bottom
if joint.Side == BOTTOM_SIDE {
x, y = from.Bounds().Max.X/2, (from.Bounds().Max.Y - Percentage(piece, PERCENTAGE)) //half way across bottom line
point := image.Pt(x, y)
circleImg = &circle{point, variableRadius(piece), from, true, image.Rect(from.Bounds().Min.X, point.Y, from.Bounds().Max.X, from.Bounds().Max.Y)}
}
draw.Draw(imageContext, from.Bounds(), circleImg, from.Bounds().Min, draw.Src)
return imageContext, nil
}