mirror of
https://github.com/love2d/love.git
synced 2026-08-12 00:20:52 +02:00
ell
137 lines
4.8 KiB
Lua
137 lines
4.8 KiB
Lua
-- love.image
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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------------------------------------OBJECTS-------------------------------------
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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-- CompressedImageData (love.image.newCompressedImageData)
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love.test.image.CompressedImageData = function(test)
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-- create obj
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local idata = love.image.newCompressedData('resources/love.dxt1')
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test:assertObject(idata)
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-- check string + size
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test:assertNotEquals(nil, idata:getString(), 'check data string')
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test:assertEquals(2744, idata:getSize(), 'check data size')
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-- check img dimensions
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local iw, ih = idata:getDimensions()
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test:assertEquals(64, iw, 'check image dimension w')
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test:assertEquals(64, ih, 'check image dimension h')
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test:assertEquals(64, idata:getWidth(), 'check image direct w')
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test:assertEquals(64, idata:getHeight(), 'check image direct h')
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-- check format
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test:assertEquals('DXT1', idata:getFormat(), 'check image format')
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-- check mipmap count
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test:assertEquals(7, idata:getMipmapCount(), 'check mipmap count')
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-- check linear
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test:assertFalse(idata:isLinear(), 'check not linear')
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idata:setLinear(true)
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test:assertTrue(idata:isLinear(), 'check now linear')
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end
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-- ImageData (love.image.newImageData)
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love.test.image.ImageData = function(test)
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-- create obj
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local idata = love.image.newImageData('resources/love.png')
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test:assertObject(idata)
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-- check string + size
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test:assertNotEquals(nil, idata:getString(), 'check data string')
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test:assertEquals(16384, idata:getSize(), 'check data size')
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-- check img dimensions
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local iw, ih = idata:getDimensions()
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test:assertEquals(64, iw, 'check image dimension w')
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test:assertEquals(64, ih, 'check image dimension h')
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test:assertEquals(64, idata:getWidth(), 'check image direct w')
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test:assertEquals(64, idata:getHeight(), 'check image direct h')
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-- check format
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test:assertEquals('rgba8', idata:getFormat(), 'check image format')
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-- manipulate image data so white heart is black
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local mapdata = function(x, y, r, g, b, a)
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if r == 1 and g == 1 and b == 1 then
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r = 0; g = 0; b = 0
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end
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return r, g, b, a
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end
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idata:mapPixel(mapdata, 0, 0, 64, 64)
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local r1, g1, b1 = idata:getPixel(25, 25)
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test:assertEquals(0, r1+g1+b1, 'check mapped black')
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-- map some other data into the idata
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local idata2 = love.image.newImageData('resources/loveinv.png')
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idata:paste(idata2, 0, 0, 0, 0)
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r1, g1, b1 = idata:getPixel(25, 25)
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test:assertEquals(3, r1+g1+b1, 'check back to white')
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-- set pixels directly
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idata:setPixel(25, 25, 1, 0, 0, 1)
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local r2, g2, b2 = idata:getPixel(25, 25)
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test:assertEquals(1, r2+g2+b2, 'check set to red')
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-- check encoding to an image (png)
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idata:encode('png', 'test-encode.png')
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local read1 = love.filesystem.openFile('test-encode.png', 'r')
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test:assertNotNil(read1)
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love.filesystem.remove('test-encode.png')
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-- check encoding to an image (exr)
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local edata = love.image.newImageData(100, 100, 'r16f')
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edata:encode('exr', 'test-encode.exr')
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local read2 = love.filesystem.openFile('test-encode.exr', 'r')
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test:assertNotNil(read2)
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love.filesystem.remove('test-encode.exr')
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-- check linear
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test:assertFalse(idata:isLinear(), 'check not linear')
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idata:setLinear(true)
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test:assertTrue(idata:isLinear(), 'check now linear')
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end
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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------------------------------------METHODS-------------------------------------
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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-- love.image.isCompressed
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-- @NOTE really we need to test each of the files listed here:
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-- https://love2d.org/wiki/CompressedImageFormat
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-- also need to be platform dependent (e.g. dxt not suppored on phones)
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love.test.image.isCompressed = function(test)
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test:assertTrue(love.image.isCompressed('resources/love.dxt1'),
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'check dxt1 valid compressed image')
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end
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-- love.image.newCompressedData
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-- @NOTE this is just basic nil checking, objs have their own test method
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love.test.image.newCompressedData = function(test)
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test:assertObject(love.image.newCompressedData('resources/love.dxt1'))
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end
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-- love.image.newImageData
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-- @NOTE this is just basic nil checking, objs have their own test method
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love.test.image.newImageData = function(test)
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test:assertObject(love.image.newImageData('resources/love.png'))
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test:assertObject(love.image.newImageData(16, 16, 'rgba8', nil))
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end
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