Bitmap/Flood fill: Difference between revisions

Line 2,023:

<lang Python>from collections import deque

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tolerance = 15

fill_color = color(250, 0, 0)

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tolerance = 15

allowed = False

Line 2,042:

if allowed:

image(img, 0, 0, width, height)

text("Tolerance = {} (Use mouse wheel to change)".format(~~tolerance), 100, height - 30)~~

text("Tolerance = {} (Use mouse wheel to change)".format(

tolerance), 100, height - 30)

text("Right click to reset", 100, height - 10)

allowed = False

def mousePressed():

global ~~img~~, ~~allowed~~

global allowed, img

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img.loadPixels()

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flood(mouseX, mouseY)

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img.updatePixels()

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allowed = True

if mouseButton == RIGHT:

img = loadImage("image.png")

else:

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img.loadPixels()

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flood(mouseX, mouseY)

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img.updatePixels()

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allowed = True

def mouseWheel(event):

Line 2,059:

Line 2,061:

e = event.getCount()

tolerance += 2 * e

if tolerance > ~~256~~:

if tolerance > 128:

tolerance = ~~256~~

tolerance = 128

if tolerance < 0:

tolerance = 0

Line 2,067:

Line 2,069:

def flood(x, y):

target_color = img.pixels[pixel_position(mouseX, mouseY)]

if target_color != fill_color:

queue = deque()

queue~~.append((x,~~ y))

queue = deque()

queue.append((x, y))

while len(queue) > 0:

~~p_x,~~ ~~p_y = queue.popleft~~()

while len(queue) > 0:

if ~~(check(~~p_x, p_y, ~~target_color)~~):

p_x, p_y = queue.popleft()

~~queue.append~~((p_x, p_y ~~- 1~~))

if (check(p_x, p_y, target_color)):

queue.append((p_x, p_y + 1))

queue.append((p_x, p_y - 1))

queue.append((p_x ~~- 1~~, p_y))

queue.append((p_x, p_y + 1))

queue.append((p_x + 1, p_y))

queue.append((p_x - 1, p_y))

queue.append((p_x + 1, p_y))

def pixel_position(x, y):