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https://github.com/aseprite/aseprite.git
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54 lines
1.3 KiB
Lua
54 lines
1.3 KiB
Lua
-- Copyright (C) 2018 David Capello
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--
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-- This file is released under the terms of the MIT license.
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-- Read LICENSE.txt for more information.
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local a = Image(32, 64)
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assert(a.width == 32)
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assert(a.height == 64)
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assert(a.colorMode == ColorMode.RGB) -- RGB by default
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local b = Image(32, 64, ColorMode.INDEXED)
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assert(b.width == 32)
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assert(b.height == 64)
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assert(b.colorMode == ColorMode.INDEXED)
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-- Get/put RGBA pixels
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local pc = app.pixelColor
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for y=0,a.height-1 do
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for x=0,a.width-1 do
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a:putPixel(x, y, pc.rgba(x, y, x+y, x-y))
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end
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end
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-- Clone
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local c = a:clone()
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assert(c.width == 32)
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assert(c.height == 64)
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assert(c.colorMode == ColorMode.RGB)
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-- Get RGB pixels
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for y=0,c.height-1 do
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for x=0,c.width-1 do
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assert(c:getPixel(x, y) == pc.rgba(x, y, x+y, x-y))
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end
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end
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-- Patch
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local pc = app.pixelColor
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local spr = Sprite(256, 256)
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local image = app.site.image
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local copy = image:clone()
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assert(image:getPixel(0, 0) == 0)
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for y=0,copy.height-1 do
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for x=0,copy.width-1 do
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copy:putPixel(x, y, pc.rgba(255-x, 255-y, 0, 255))
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end
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end
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image:putImage(copy)
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assert(image:getPixel(0, 0) == pc.rgba(255, 255, 0, 255))
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assert(image:getPixel(255, 255) == pc.rgba(0, 0, 0, 255))
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app.undo()
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assert(image:getPixel(0, 0) == pc.rgba(0, 0, 0, 0))
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assert(image:getPixel(255, 255) == pc.rgba(0, 0, 0, 0))
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