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Added ability to change gradient direction

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This commit is contained in:
OverloadedOrama 2020-07-18 19:01:24 +03:00
parent 7aee58ec1a
commit 8c965c1858
5 changed files with 72 additions and 13 deletions
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33
src/Autoload/DrawingAlgos.gd
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@ -1,6 +1,9 @@
extends Node
enum GradientDirection {TOP, BOTTOM, LEFT, RIGHT}
func scale3X(sprite : Image, tol : float = 50) -> Image:
var scaled = Image.new()
scaled.create(sprite.get_width()*3, sprite.get_height()*3, false, Image.FORMAT_RGBA8)
@ -501,7 +504,7 @@ func adjust_hsv(img: Image, id : int, delta : float) -> void:
img.unlock()
func generate_gradient(image : Image, colors : Array, steps := 2) -> void:
func generate_gradient(image : Image, colors : Array, steps := 2, direction : int = GradientDirection.TOP) -> void:
if colors.size() < 2:
return
@ -512,11 +515,25 @@ func generate_gradient(image : Image, colors : Array, steps := 2) -> void:
colors.insert(1, color)
image.lock()
if direction == GradientDirection.BOTTOM or direction == GradientDirection.RIGHT:
colors.invert()
var size := image.get_size()
var gradient_height = size.y / steps
for i in steps:
for xx in size.x:
var start = i * gradient_height
var end = (i + 1) * gradient_height
for yy in range(start, end):
image.set_pixel(xx, yy, colors[i])
var gradient_size
if direction == GradientDirection.TOP or direction == GradientDirection.BOTTOM:
gradient_size = size.y / steps
for i in steps:
for xx in size.x:
var start = i * gradient_size
var end = (i + 1) * gradient_size
for yy in range(start, end):
image.set_pixel(xx, yy, colors[i])
else:
gradient_size = size.x / steps
for i in steps:
for yy in size.y:
var start = i * gradient_size
var end = (i + 1) * gradient_size
for xx in range(start, end):
image.set_pixel(xx, yy, colors[i])