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Added cabinet projection to tileblueprint.

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This commit is contained in:
Sander Schobers 2019-12-27 13:57:16 +01:00
parent d135139992
commit 9e757c4fc9
1 changed files with 74 additions and 17 deletions
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91
cmd/tileblueprint/tileblueprint.go
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@ -19,45 +19,102 @@ func main() {
}
}
type projection interface {
tile() (width float64, height float64)
draw(gc *draw2dimg.GraphicContext, x, y, w, h, scale float64, p palette)
}
type cabinet struct {
}
func (cabinet) tile() (float64, float64) {
return 150, 140
}
func (cabinet) draw(gc *draw2dimg.GraphicContext, x, y, w, h, scale float64, p palette) {
dw := func(d float64) float64 { return (d / w) * w * scale }
dh := func(d float64) float64 { return (d / h) * h * scale }
gc.MoveTo(x, y+dh(40))
gc.LineTo(x, y+h)
gc.LineTo(x+dw(100), y+h)
gc.LineTo(x+w, y+dh(100))
gc.LineTo(x+w, y)
gc.LineTo(x+dw(100), y+dh(40))
gc.LineTo(x+dw(100), y+h)
gc.MoveTo(x+dw(100), y+dh(40))
gc.LineTo(x, y+dh(40))
gc.LineTo(x+dw(50), y)
gc.LineTo(x+w, y)
gc.LineTo(x+dw(100), y+dh(40))
gc.SetStrokeColor(p.tile)
gc.Stroke()
}
type isometric struct {
}
func (isometric) tile() (float64, float64) {
return 140, 200
}
type palette struct {
margin color.Color
tile color.Color
}
func (isometric) draw(gc *draw2dimg.GraphicContext, x, y, w, h, scale float64, p palette) {
gc.MoveTo(x, y+.25*h)
gc.LineTo(x, y+.75*h)
gc.LineTo(x+.5*w, y+h)
gc.LineTo(x+w, y+.75*h)
gc.LineTo(x+w, y+.25*h)
gc.LineTo(x+.5*w, y+.5*h)
gc.LineTo(x, y+.25*h)
gc.LineTo(x+.5*w, y)
gc.LineTo(x+w, y+.25*h)
gc.MoveTo(x+.5*w, y+.5*h)
gc.LineTo(x+.5*w, y+h)
gc.SetStrokeColor(p.tile)
gc.Stroke()
}
func run() error {
var dpi int
var proj string
flag.IntVar(&dpi, "dpi", 300, "dpi")
flag.StringVar(&proj, "projection", "", "projection: either isometric (default) or cabinet")
flag.Parse()
path := flag.Arg(0)
if path == "" {
return errors.New("no output path specified")
}
var p projection
switch proj {
case "cabinet":
p = cabinet{}
default:
p = isometric{}
}
bounds := image.Rect(0, 0, dpi*827/100, dpi*1169/100)
scale := float64(dpi) / 100
margin := 5. * scale
tileWidth, tileHeight := 140.*scale, 200.*scale
tileWidth, tileHeight := p.tile()
tileWidth, tileHeight = tileWidth*scale, tileHeight*scale
tileOffsetWidth, tileOffsetHeight := tileWidth+4.*margin, tileHeight+4.*margin
im := image.NewRGBA(bounds)
gc := draw2dimg.NewGraphicContext(im)
marginColor := color.Gray{Y: 63}
tileColor := color.Gray{Y: 127}
gc.SetLineWidth(1)
palette := palette{margin: color.Gray{Y: 63}, tile: color.Gray{Y: 127}}
for y := 0.; y < float64(bounds.Max.Y)-tileOffsetHeight; y += tileOffsetHeight {
for x := 0.; x < float64(bounds.Max.X)-tileOffsetWidth; x += tileOffsetWidth {
draw2dkit.Rectangle(gc, x+margin-1, y+margin-1, x+tileOffsetWidth-margin, y+tileOffsetHeight-margin)
gc.SetStrokeColor(marginColor)
gc.SetStrokeColor(palette.margin)
gc.Stroke()
tileX, tileY := x+2*margin-.5, y+2*margin-.5
gc.MoveTo(tileX, tileY+.25*tileHeight)
gc.LineTo(tileX, tileY+.75*tileHeight)
gc.LineTo(tileX+.5*tileWidth, tileY+tileHeight)
gc.LineTo(tileX+tileWidth, tileY+.75*tileHeight)
gc.LineTo(tileX+tileWidth, tileY+.25*tileHeight)
gc.LineTo(tileX+.5*tileWidth, tileY+.5*tileHeight)
gc.LineTo(tileX, tileY+.25*tileHeight)
gc.LineTo(tileX+.5*tileWidth, tileY)
gc.LineTo(tileX+tileWidth, tileY+.25*tileHeight)
gc.MoveTo(tileX+.5*tileWidth, tileY+.5*tileHeight)
gc.LineTo(tileX+.5*tileWidth, tileY+tileHeight)
gc.SetStrokeColor(tileColor)
gc.Stroke()
p.draw(gc, tileX, tileY, tileWidth, tileHeight, scale, palette)
}
}
return draw2dimg.SaveToPngFile(path, im)