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Added dialog with options for desaturation

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Not sure if options for RGBA channels are really needed here, but I kept them from invert colors. We could remove them in the future if they are unneeded.
This commit is contained in:
OverloadedOrama 2020-08-01 04:24:11 +03:00
parent 6f645d996d
commit ebc9eab773
6 changed files with 236 additions and 13 deletions
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26
src/Autoload/DrawingAlgos.gd
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@ -310,17 +310,21 @@ func invert_image_colors(image : Image, pixels : Array, red := true, green := tr
image.set_pixelv(i, px_color)
func desaturate_image(image : Image) -> void:
Global.canvas.handle_undo("Draw")
for xx in image.get_size().x:
for yy in image.get_size().y:
var px_color = image.get_pixel(xx, yy)
if px_color.a == 0:
continue
var gray = image.get_pixel(xx, yy).v
px_color = Color(gray, gray, gray, px_color.a)
image.set_pixel(xx, yy, px_color)
Global.canvas.handle_redo("Draw")
func desaturate_image(image : Image, pixels : Array, red := true, green := true, blue := true, alpha := false) -> void:
image.lock()
for i in pixels:
var px_color := image.get_pixelv(i)
var gray = px_color.v
if red:
px_color.r = gray
if green:
px_color.g = gray
if blue:
px_color.b = gray
if alpha:
px_color.a = gray
image.set_pixelv(i, px_color)
func generate_outline(image : Image, pixels : Array, outline_color : Color, thickness : int, diagonal : bool, inside_image : bool) -> void: