mirror of
https://github.com/Orama-Interactive/Pixelorama.git
synced 2025-01-19 09:39:48 +00:00
629 lines
22 KiB
GDScript
629 lines
22 KiB
GDScript
extends Node
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enum GradientDirection {TOP, BOTTOM, LEFT, RIGHT}
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func scale3X(sprite : Image, tol : float = 50) -> Image:
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var scaled := Image.new()
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scaled.create(sprite.get_width()*3, sprite.get_height()*3, false, Image.FORMAT_RGBA8)
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scaled.lock()
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sprite.lock()
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var a : Color
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var b : Color
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var c : Color
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var d : Color
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var e : Color
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var f : Color
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var g : Color
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var h : Color
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var i : Color
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for x in range(1,sprite.get_width()-1):
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for y in range(1,sprite.get_height()-1):
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var xs : float = 3*x
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var ys : float = 3*y
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a = sprite.get_pixel(x-1,y-1)
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b = sprite.get_pixel(x,y-1)
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c = sprite.get_pixel(x+1,y-1)
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d = sprite.get_pixel(x-1,y)
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e = sprite.get_pixel(x,y)
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f = sprite.get_pixel(x+1,y)
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g = sprite.get_pixel(x-1,y+1)
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h = sprite.get_pixel(x,y+1)
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i = sprite.get_pixel(x+1,y+1)
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var db : bool = similarColors(d, b, tol)
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var dh : bool = similarColors(d, h, tol)
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var bf : bool = similarColors(f, b, tol)
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var ec : bool = similarColors(e, c, tol)
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var ea : bool = similarColors(e, a, tol)
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var fh : bool = similarColors(f, h, tol)
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var eg : bool = similarColors(e, g, tol)
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var ei : bool = similarColors(e, i, tol)
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scaled.set_pixel(xs-1, ys-1, d if (db and !dh and !bf) else e )
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scaled.set_pixel(xs, ys-1, b if (db and !dh and !bf and !ec) or
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(bf and !db and !fh and !ea) else e)
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scaled.set_pixel(xs+1, ys-1, f if (bf and !db and !fh) else e)
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scaled.set_pixel(xs-1, ys, d if (dh and !fh and !db and !ea) or
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(db and !dh and !bf and !eg) else e)
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scaled.set_pixel(xs, ys, e);
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scaled.set_pixel(xs+1, ys, f if (bf and !db and !fh and !ei) or
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(fh and !bf and !dh and !ec) else e)
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scaled.set_pixel(xs-1, ys+1, d if (dh and !fh and !db) else e)
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scaled.set_pixel(xs, ys+1, h if (fh and !bf and !dh and !eg) or
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(dh and !fh and !db and !ei) else e)
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scaled.set_pixel(xs+1, ys+1, f if (fh and !bf and !dh) else e)
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scaled.unlock()
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sprite.unlock()
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return scaled
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func rotxel(sprite : Image, angle : float, pivot : Vector2) -> void:
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# If angle is simple, then nn rotation is the best
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if angle == 0 || angle == PI/2 || angle == PI || angle == 2*PI:
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nn_rotate(sprite, angle, pivot)
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return
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var aux : Image = Image.new()
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aux.copy_from(sprite)
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var ox : int
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var oy : int
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var p : Color
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aux.lock()
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sprite.lock()
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for x in sprite.get_size().x:
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for y in sprite.get_size().y:
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var dx = 3*(x - pivot.x)
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var dy = 3*(y - pivot.y)
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var found_pixel : bool = false
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for k in range(9):
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var i = -1 + k % 3
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# warning-ignore:integer_division
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var j = -1 + int(k / 3)
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var dir = atan2(dy + j, dx + i)
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var mag = sqrt(pow(dx + i, 2) + pow(dy + j, 2))
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dir -= angle
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ox = round(pivot.x*3 + 1 + mag*cos(dir))
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oy = round(pivot.y*3 + 1 + mag*sin(dir))
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if (sprite.get_width() % 2 != 0):
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ox += 1
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oy += 1
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if (ox >= 0 && ox < sprite.get_width()*3
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&& oy >= 0 && oy < sprite.get_height()*3):
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found_pixel = true
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break
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if !found_pixel:
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sprite.set_pixel(x, y, Color(0,0,0,0))
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continue
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var fil : int = oy % 3
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var col : int = ox % 3
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var index : int = col + 3*fil
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ox = round((ox - 1)/3.0);
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oy = round((oy - 1)/3.0);
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var a : Color
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var b : Color
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var c : Color
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var d : Color
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var e : Color
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var f : Color
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var g : Color
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var h : Color
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var i : Color
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if (ox == 0 || ox == sprite.get_width() - 1 ||
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oy == 0 || oy == sprite.get_height() - 1):
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p = aux.get_pixel(ox, oy)
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else:
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a = aux.get_pixel(ox-1,oy-1);
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b = aux.get_pixel(ox,oy-1);
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c = aux.get_pixel(ox+1,oy-1);
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d = aux.get_pixel(ox-1,oy);
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e = aux.get_pixel(ox,oy);
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f = aux.get_pixel(ox+1,oy);
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g = aux.get_pixel(ox-1,oy+1);
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h = aux.get_pixel(ox,oy+1);
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i = aux.get_pixel(ox+1,oy+1);
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match(index):
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0:
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p = d if (similarColors(d,b) && !similarColors(d,h)
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&& !similarColors(b,f)) else e;
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1:
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p = b if ((similarColors(d,b) && !similarColors(d,h) &&
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!similarColors(b,f) && !similarColors(e,c)) ||
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(similarColors(b,f) && !similarColors(d,b) &&
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!similarColors(f,h) && !similarColors(e,a))) else e;
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2:
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p = f if (similarColors(b,f) && !similarColors(d,b) &&
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!similarColors(f,h)) else e;
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3:
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p = d if ((similarColors(d,h) && !similarColors(f,h) &&
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!similarColors(d,b) && !similarColors(e,a)) ||
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(similarColors(d,b) && !similarColors(d,h) &&
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!similarColors(b,f) && !similarColors(e,g))) else e;
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4:
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p = e
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5:
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p = f if((similarColors(b,f) && !similarColors(d,b) &&
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!similarColors(f,h) && !similarColors(e,i))
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|| (similarColors(f,h) && !similarColors(b,f) &&
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!similarColors(d,h) && !similarColors(e,c))) else e;
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6:
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p = d if (similarColors(d,h) && !similarColors(f,h) &&
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!similarColors(d,b)) else e;
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7:
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p = h if ((similarColors(f,h) && !similarColors(f,b) &&
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!similarColors(d,h) && !similarColors(e,g))
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|| (similarColors(d,h) && !similarColors(f,h) &&
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!similarColors(d,b) && !similarColors(e,i))) else e;
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8:
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p = f if (similarColors(f,h) && !similarColors(f,b) &&
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!similarColors(d,h)) else e;
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sprite.set_pixel(x, y, p)
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sprite.unlock()
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aux.unlock()
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func fake_rotsprite(sprite : Image, angle : float, pivot : Vector2) -> void:
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var selected_sprite := Image.new()
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selected_sprite.copy_from(sprite)
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selected_sprite.copy_from(scale3X(selected_sprite))
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nn_rotate(selected_sprite, angle, pivot * 3)
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# warning-ignore:integer_division
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# warning-ignore:integer_division
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selected_sprite.resize(selected_sprite.get_width() / 3, selected_sprite.get_height() / 3, 0)
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sprite.blit_rect(selected_sprite, Rect2(Vector2.ZERO, selected_sprite.get_size()), Vector2.ZERO)
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func nn_rotate(sprite : Image, angle : float, pivot : Vector2) -> void:
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var aux : Image = Image.new()
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aux.copy_from(sprite)
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sprite.lock()
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aux.lock()
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var ox: int
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var oy: int
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for x in range(sprite.get_width()):
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for y in range(sprite.get_height()):
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ox = (x - pivot.x)*cos(angle) + (y - pivot.y)*sin(angle) + pivot.x
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oy = -(x - pivot.x)*sin(angle) + (y - pivot.y)*cos(angle) + pivot.y
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if ox >= 0 && ox < sprite.get_width() && oy >= 0 && oy < sprite.get_height():
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sprite.set_pixel(x, y, aux.get_pixel(ox, oy))
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else:
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sprite.set_pixel(x, y, Color(0,0,0,0))
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sprite.unlock()
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aux.unlock()
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func similarColors(c1 : Color, c2 : Color, tol : float = 100) -> bool:
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var dist = colorDistance(c1, c2)
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return dist <= tol
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func colorDistance(c1 : Color, c2 : Color) -> float:
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return sqrt(pow((c1.r - c2.r)*255, 2) + pow((c1.g - c2.g)*255, 2)
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+ pow((c1.b - c2.b)*255, 2) + pow((c1.a - c2.a)*255, 2))
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# Image effects
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func scale_image(width : int, height : int, interpolation : int) -> void:
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general_do_scale(width, height)
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for f in Global.current_project.frames:
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for i in range(f.cels.size() - 1, -1, -1):
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var sprite := Image.new()
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sprite.copy_from(f.cels[i].image)
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# Different method for scale3x
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if interpolation == 5:
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var times : Vector2 = Vector2(ceil(width/(3.0*sprite.get_width())),ceil(height/(3.0*sprite.get_height())))
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for _j in range(max(times.x,times.y)):
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sprite.copy_from(scale3X(sprite))
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sprite.resize(width, height, 0)
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else:
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sprite.resize(width, height, interpolation)
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Global.current_project.undo_redo.add_do_property(f.cels[i].image, "data", sprite.data)
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Global.current_project.undo_redo.add_undo_property(f.cels[i].image, "data", f.cels[i].image.data)
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general_undo_scale()
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func centralize() -> void:
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Global.canvas.selection.transform_content_confirm()
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# Find used rect of the current frame (across all of the layers)
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var used_rect := Rect2()
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for cel in Global.current_project.frames[Global.current_project.current_frame].cels:
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var cel_rect : Rect2 = cel.image.get_used_rect()
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if not cel_rect.has_no_area():
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used_rect = cel_rect if used_rect.has_no_area() else used_rect.merge(cel_rect)
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if used_rect.has_no_area():
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return
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var offset : Vector2 = (0.5 * (Global.current_project.size - used_rect.size)).floor()
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general_do_centralize()
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for c in Global.current_project.frames[Global.current_project.current_frame].cels:
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var sprite := Image.new()
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sprite.create(Global.current_project.size.x, Global.current_project.size.y, false, Image.FORMAT_RGBA8)
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sprite.blend_rect(c.image, used_rect, offset)
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Global.current_project.undo_redo.add_do_property(c.image, "data", sprite.data)
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Global.current_project.undo_redo.add_undo_property(c.image, "data", c.image.data)
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general_undo_centralize()
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func crop_image(image : Image) -> void:
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Global.canvas.selection.transform_content_confirm()
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# Use first cel as a starting rectangle
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var used_rect : Rect2 = image.get_used_rect()
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for f in Global.current_project.frames:
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# However, if first cel is empty, loop through all cels until we find one that isn't
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for cel in f.cels:
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if used_rect != Rect2(0, 0, 0, 0):
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break
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else:
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if cel.image.get_used_rect() != Rect2(0, 0, 0, 0):
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used_rect = cel.image.get_used_rect()
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# Merge all layers with content
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for cel in f.cels:
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if cel.image.get_used_rect() != Rect2(0, 0, 0, 0):
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used_rect = used_rect.merge(cel.image.get_used_rect())
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# If no layer has any content, just return
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if used_rect == Rect2(0, 0, 0, 0):
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return
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var width := used_rect.size.x
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var height := used_rect.size.y
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general_do_scale(width, height)
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for f in Global.current_project.frames:
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# Loop through all the layers to crop them
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for j in range(Global.current_project.layers.size() - 1, -1, -1):
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var sprite : Image = f.cels[j].image.get_rect(used_rect)
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Global.current_project.undo_redo.add_do_property(f.cels[j].image, "data", sprite.data)
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Global.current_project.undo_redo.add_undo_property(f.cels[j].image, "data", f.cels[j].image.data)
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general_undo_scale()
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func resize_canvas(width : int, height : int, offset_x : int, offset_y : int) -> void:
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general_do_scale(width, height)
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for f in Global.current_project.frames:
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for c in f.cels:
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var sprite := Image.new()
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sprite.create(width, height, false, Image.FORMAT_RGBA8)
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sprite.blend_rect(c.image, Rect2(Vector2.ZERO, Global.current_project.size), Vector2(offset_x, offset_y))
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Global.current_project.undo_redo.add_do_property(c.image, "data", sprite.data)
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Global.current_project.undo_redo.add_undo_property(c.image, "data", c.image.data)
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general_undo_scale()
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func general_do_scale(width : int, height : int) -> void:
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var project := Global.current_project
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var size := Vector2(width, height).floor()
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var x_ratio = project.size.x / width
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var y_ratio = project.size.y / height
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var bitmap : BitMap
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bitmap = project.resize_bitmap(project.selection_bitmap, size)
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var new_x_symmetry_point = project.x_symmetry_point / x_ratio
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var new_y_symmetry_point = project.y_symmetry_point / y_ratio
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var new_x_symmetry_axis_points = project.x_symmetry_axis.points
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var new_y_symmetry_axis_points = project.y_symmetry_axis.points
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new_x_symmetry_axis_points[0].y /= y_ratio
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new_x_symmetry_axis_points[1].y /= y_ratio
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new_y_symmetry_axis_points[0].x /= x_ratio
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new_y_symmetry_axis_points[1].x /= x_ratio
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project.undos += 1
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project.undo_redo.create_action("Scale")
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project.undo_redo.add_do_property(project, "size", size)
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project.undo_redo.add_do_property(project, "selection_bitmap", bitmap)
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project.undo_redo.add_do_property(project, "x_symmetry_point", new_x_symmetry_point)
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project.undo_redo.add_do_property(project, "y_symmetry_point", new_y_symmetry_point)
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project.undo_redo.add_do_property(project.x_symmetry_axis, "points", new_x_symmetry_axis_points)
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project.undo_redo.add_do_property(project.y_symmetry_axis, "points", new_y_symmetry_axis_points)
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func general_undo_scale() -> void:
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var project := Global.current_project
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project.undo_redo.add_undo_property(project, "size", project.size)
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project.undo_redo.add_undo_property(project, "selection_bitmap", project.selection_bitmap)
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project.undo_redo.add_undo_property(project, "x_symmetry_point", project.x_symmetry_point)
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project.undo_redo.add_undo_property(project, "y_symmetry_point", project.y_symmetry_point)
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project.undo_redo.add_undo_property(project.x_symmetry_axis, "points", project.x_symmetry_axis.points)
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project.undo_redo.add_undo_property(project.y_symmetry_axis, "points", project.y_symmetry_axis.points)
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project.undo_redo.add_undo_method(Global, "undo")
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project.undo_redo.add_do_method(Global, "redo")
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project.undo_redo.commit_action()
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func general_do_centralize() -> void:
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var project := Global.current_project
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project.undos += 1
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project.undo_redo.create_action("Centralize")
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func general_undo_centralize() -> void:
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var project := Global.current_project
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project.undo_redo.add_undo_method(Global, "undo")
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project.undo_redo.add_do_method(Global, "redo")
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project.undo_redo.commit_action()
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# TO BE REMOVED
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# func invert_image_colors(image : Image, affect_selection : bool, project : Project, red := true, green := true, blue := true, alpha := false) -> void:
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# image.lock()
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# for x in project.size.x:
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# for y in project.size.y:
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# var pos := Vector2(x, y)
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# if affect_selection and !project.can_pixel_get_drawn(pos):
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# continue
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# var px_color := image.get_pixelv(pos)
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# # Manually invert each color channel
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# if red:
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# px_color.r = 1.0 - px_color.r
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# if green:
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# px_color.g = 1.0 - px_color.g
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# if blue:
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# px_color.b = 1.0 - px_color.b
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# if alpha:
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# px_color.a = 1.0 - px_color.a
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# image.set_pixelv(pos, px_color)
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# TO BE REMOVED
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# func desaturate_image(image : Image, affect_selection : bool, project : Project, red := true, green := true, blue := true, alpha := false) -> void:
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# image.lock()
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# for x in project.size.x:
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# for y in project.size.y:
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# var pos := Vector2(x, y)
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# if affect_selection and !project.can_pixel_get_drawn(pos):
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# continue
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# var px_color := image.get_pixelv(pos)
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# var gray = px_color.v
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# if red:
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# px_color.r = gray
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# if green:
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# px_color.g = gray
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# if blue:
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# px_color.b = gray
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# if alpha:
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# px_color.a = gray
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# image.set_pixelv(pos, px_color)
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func generate_outline(image : Image, affect_selection : bool, project : Project, outline_color : Color, thickness : int, diagonal : bool, inside_image : bool) -> void:
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if image.is_invisible():
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return
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var new_image := Image.new()
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new_image.copy_from(image)
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new_image.lock()
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image.lock()
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for x in project.size.x:
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|
for y in project.size.y:
|
|
var pos := Vector2(x, y)
|
|
var current_pixel := image.get_pixelv(pos)
|
|
if affect_selection and !project.can_pixel_get_drawn(pos):
|
|
continue
|
|
if current_pixel.a == 0:
|
|
continue
|
|
|
|
for i in range(1, thickness + 1):
|
|
if inside_image:
|
|
var outline_pos : Vector2 = pos + Vector2.LEFT # Left
|
|
if outline_pos.x < 0 || image.get_pixelv(outline_pos).a == 0:
|
|
var new_pos : Vector2 = pos + Vector2.RIGHT * (i - 1)
|
|
if new_pos.x < Global.current_project.size.x:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a > 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
outline_pos = pos + Vector2.RIGHT # Right
|
|
if outline_pos.x >= Global.current_project.size.x || image.get_pixelv(outline_pos).a == 0:
|
|
var new_pos : Vector2 = pos + Vector2.LEFT * (i - 1)
|
|
if new_pos.x >= 0:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a > 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
outline_pos = pos + Vector2.UP # Up
|
|
if outline_pos.y < 0 || image.get_pixelv(outline_pos).a == 0:
|
|
var new_pos : Vector2 = pos + Vector2.DOWN * (i - 1)
|
|
if new_pos.y < Global.current_project.size.y:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a > 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
outline_pos = pos + Vector2.DOWN # Down
|
|
if outline_pos.y >= Global.current_project.size.y || image.get_pixelv(outline_pos).a == 0:
|
|
var new_pos : Vector2 = pos + Vector2.UP * (i - 1)
|
|
if new_pos.y >= 0:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a > 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
if diagonal:
|
|
outline_pos = pos + (Vector2.LEFT + Vector2.UP) # Top left
|
|
if (outline_pos.x < 0 && outline_pos.y < 0) || image.get_pixelv(outline_pos).a == 0:
|
|
var new_pos : Vector2 = pos + (Vector2.RIGHT + Vector2.DOWN) * (i - 1)
|
|
if new_pos.x < Global.current_project.size.x && new_pos.y < Global.current_project.size.y:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a > 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
outline_pos = pos + (Vector2.LEFT + Vector2.DOWN) # Bottom left
|
|
if (outline_pos.x < 0 && outline_pos.y >= Global.current_project.size.y) || image.get_pixelv(outline_pos).a == 0:
|
|
var new_pos : Vector2 = pos + (Vector2.RIGHT + Vector2.UP) * (i - 1)
|
|
if new_pos.x < Global.current_project.size.x && new_pos.y >= 0:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a > 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
outline_pos = pos + (Vector2.RIGHT + Vector2.UP) # Top right
|
|
if (outline_pos.x >= Global.current_project.size.x && outline_pos.y < 0) || image.get_pixelv(outline_pos).a == 0:
|
|
var new_pos : Vector2 = pos + (Vector2.LEFT + Vector2.DOWN) * (i - 1)
|
|
if new_pos.x >= 0 && new_pos.y < Global.current_project.size.y:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a > 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
outline_pos = pos + (Vector2.RIGHT + Vector2.DOWN) # Bottom right
|
|
if (outline_pos.x >= Global.current_project.size.x && outline_pos.y >= Global.current_project.size.y) || image.get_pixelv(outline_pos).a == 0:
|
|
var new_pos : Vector2 = pos + (Vector2.LEFT + Vector2.UP) * (i - 1)
|
|
if new_pos.x >= 0 && new_pos.y >= 0:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a > 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
else:
|
|
var new_pos : Vector2 = pos + Vector2.LEFT * i # Left
|
|
if new_pos.x >= 0:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a == 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
new_pos = pos + Vector2.RIGHT * i # Right
|
|
if new_pos.x < Global.current_project.size.x:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a == 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
new_pos = pos + Vector2.UP * i # Up
|
|
if new_pos.y >= 0:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a == 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
new_pos = pos + Vector2.DOWN * i # Down
|
|
if new_pos.y < Global.current_project.size.y:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a == 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
if diagonal:
|
|
new_pos = pos + (Vector2.LEFT + Vector2.UP) * i # Top left
|
|
if new_pos.x >= 0 && new_pos.y >= 0:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a == 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
new_pos = pos + (Vector2.LEFT + Vector2.DOWN) * i # Bottom left
|
|
if new_pos.x >= 0 && new_pos.y < Global.current_project.size.y:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a == 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
new_pos = pos + (Vector2.RIGHT + Vector2.UP) * i # Top right
|
|
if new_pos.x < Global.current_project.size.x && new_pos.y >= 0:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a == 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
new_pos = pos + (Vector2.RIGHT + Vector2.DOWN) * i # Bottom right
|
|
if new_pos.x < Global.current_project.size.x && new_pos.y < Global.current_project.size.y:
|
|
var new_pixel = image.get_pixelv(new_pos)
|
|
if new_pixel.a == 0:
|
|
new_image.set_pixelv(new_pos, outline_color)
|
|
|
|
image.unlock()
|
|
new_image.unlock()
|
|
image.copy_from(new_image)
|
|
|
|
|
|
# TO BE REMOVED
|
|
# func adjust_hsv(img: Image, delta_h : float, delta_s : float, delta_v : float, affect_selection : bool, project : Project) -> void:
|
|
# img.lock()
|
|
# for x in project.size.x:
|
|
# for y in project.size.y:
|
|
# var pos := Vector2(x, y)
|
|
# if affect_selection and !project.can_pixel_get_drawn(pos):
|
|
# continue
|
|
# var c : Color = img.get_pixelv(pos)
|
|
# # Hue
|
|
# var hue = range_lerp(c.h,0,1,-180,180)
|
|
# hue = hue + delta_h
|
|
|
|
# while(hue >= 180):
|
|
# hue -= 360
|
|
# while(hue < -180):
|
|
# hue += 360
|
|
|
|
# # Saturation
|
|
# var sat = c.s
|
|
# if delta_s > 0:
|
|
# sat = range_lerp(delta_s,0,100,c.s,1)
|
|
# elif delta_s < 0:
|
|
# sat = range_lerp(delta_s,-100,0,0,c.s)
|
|
|
|
# # Value
|
|
# var val = c.v
|
|
# if delta_v > 0:
|
|
# val = range_lerp(delta_v,0,100,c.v,1)
|
|
# elif delta_v < 0:
|
|
# val = range_lerp(delta_v,-100,0,0,c.v)
|
|
|
|
# c.h = range_lerp(hue,-180,180,0,1)
|
|
# c.s = sat
|
|
# c.v = val
|
|
# img.set_pixelv(pos, c)
|
|
|
|
|
|
func generate_gradient(image : Image, colors : Array, steps : int, direction : int, affect_selection : bool, project : Project) -> void:
|
|
if colors.size() < 2:
|
|
return
|
|
|
|
var t = 1.0 / (steps - 1)
|
|
for i in range(1, steps - 1):
|
|
var color : Color
|
|
color = colors[-1].linear_interpolate(colors[0], t * i)
|
|
colors.insert(1, color)
|
|
|
|
image.unlock()
|
|
if direction == GradientDirection.BOTTOM or direction == GradientDirection.RIGHT:
|
|
colors.invert()
|
|
|
|
var draw_rectangle := Rect2()
|
|
var selection := affect_selection and project.has_selection
|
|
if selection:
|
|
draw_rectangle = project.get_selection_rectangle()
|
|
else:
|
|
draw_rectangle = Rect2(Vector2.ZERO, project.size)
|
|
var size := draw_rectangle.size
|
|
image.lock()
|
|
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):
|
|
var pos : Vector2 = Vector2(xx, yy) + draw_rectangle.position
|
|
if selection and !project.selection_bitmap.get_bit(pos):
|
|
continue
|
|
image.set_pixelv(pos, 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):
|
|
var pos : Vector2 = Vector2(xx, yy) + draw_rectangle.position
|
|
if selection and !project.selection_bitmap.get_bit(pos):
|
|
continue
|
|
image.set_pixelv(pos, colors[i])
|