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"{ Package: 'stx:goodies/regression' }"
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"{ NameSpace: RegressionTests }"
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TestCase subclass:#ImageTests
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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2565
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category:'tests-Regression-Graphics-Images'
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!
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!ImageTests class methodsFor:'documentation'!
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documentation
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"
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Tests for the image classes in libview, i.e. Image,
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Depth1Image, Depth2Image, etc.
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[author:]
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mawalch
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[instance variables:]
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[class variables:]
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[see also:]
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"
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! !
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!ImageTests methodsFor:'tests'!
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test01_PixelValue1
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|img|
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img := Image extent:1@1 depth:24.
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img photometric:#rgb. "/ that is: ignored,r,g,b
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img createPixelStore.
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self assert:(img bits at:1) == 0.
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 0.
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img pixelAtX:0 y:0 put:16rFF0000.
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self assert:(img bits at:1) == 16rFF.
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 0.
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"/ ----------------------------------
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img := Image extent:1@1 depth:32.
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img photometric:#rgb. "/ that is: ignored,r,g,b
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img createPixelStore.
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self assert:(img bits at:1) == 0.
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 0.
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self assert:(img bits at:4) == 0.
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img pixelAtX:0 y:0 put:16rFF0000.
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self assert:(img bits at:1) == 0.
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self assert:(img bits at:2) == 16rFF.
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self assert:(img bits at:3) == 0.
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self assert:(img bits at:4) == 0.
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"Created: / 22-08-2017 / 18:43:04 / cg"
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!
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test02_PixelColor
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|img bytes|
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img := Image extent:1@1 depth:24.
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img photometric:#rgb. "/ that is: r,g,b
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img createPixelStore.
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bytes := img bits.
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self assert:(bytes at:1) == 0.
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self assert:(bytes at:2) == 0.
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self assert:(bytes at:3) == 0.
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img colorAtX:0 y:0 put:(Color red).
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self assert:(bytes at:1) == 16rFF.
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self assert:(bytes at:2) == 0.
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self assert:(bytes at:3) == 0.
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"/ ----------------------------------
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img := Image extent:1@1 depth:32.
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img photometric:#rgb. "/ that is: r,g,b, ignoredAlpha
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img createPixelStore.
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bytes := img bits.
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self assert:(bytes at:1) == 0.
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self assert:(bytes at:2) == 0.
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self assert:(bytes at:3) == 0.
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self assert:(bytes at:4) == 0.
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img colorAtX:0 y:0 put:(Color red).
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self assert:(bytes at:1) == 16rFF. "/ red
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self assert:(bytes at:2) == 0.
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self assert:(bytes at:3) == 0.
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self assert:(bytes at:4) == 0. "/ alpha - ignored and 0
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img colorAtX:0 y:0 put:(Color green).
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self assert:(bytes at:1) == 0.
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self assert:(bytes at:2) == 16rFF. "/ green
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self assert:(bytes at:3) == 0.
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self assert:(bytes at:4) == 0. "/ alpha - ignored and 0
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img colorAtX:0 y:0 put:(Color blue).
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self assert:(bytes at:1) == 0.
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self assert:(bytes at:2) == 0.
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self assert:(bytes at:3) == 16rFF. "/ blue
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self assert:(bytes at:4) == 0. "/ alpha - ignored and 0
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"/ ----------------------------------
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img := Image extent:1@1 depth:32.
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img photometric:#xrgb. "/ that is: alpha,r,g,b
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img createPixelStore.
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bytes := img bits.
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self assert:(bytes at:1) == 0.
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self assert:(bytes at:2) == 0.
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self assert:(bytes at:3) == 0.
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self assert:(bytes at:4) == 0.
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img colorAtX:0 y:0 put:(Color red).
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self assert:(bytes at:1) == 0. "/ alpha - ignored and 0
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self assert:(bytes at:2) == 16rFF. "/ red
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self assert:(bytes at:3) == 0.
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self assert:(bytes at:4) == 0.
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img colorAtX:0 y:0 put:(Color green).
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self assert:(bytes at:1) == 0. "/ alpha - ignored and 0
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self assert:(bytes at:2) == 0.
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self assert:(bytes at:3) == 16rFF. "/ green
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self assert:(bytes at:4) == 0.
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img colorAtX:0 y:0 put:(Color blue).
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self assert:(bytes at:1) == 0. "/ alpha - ignored and 0
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self assert:(bytes at:2) == 0.
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self assert:(bytes at:3) == 0.
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self assert:(bytes at:4) == 16rFF. "/ blue
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"/ ----------------------------------
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img := Image extent:1@1 depth:32.
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img photometric:#rgba.
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img createPixelStore.
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bytes := img bits.
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img colorAtX:0 y:0 put:(Color red).
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self assert:(bytes at:1) == 16rFF. "/ red
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self assert:(bytes at:2) == 0. "/ green
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self assert:(bytes at:3) == 0. "/ blue
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self assert:(bytes at:4) == 16rFF. "/ alpha
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img colorAtX:0 y:0 put:(Color green).
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self assert:(bytes at:1) == 0. "/ red
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self assert:(bytes at:2) == 16rFF. "/ green
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self assert:(bytes at:3) == 0. "/ blue
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self assert:(bytes at:4) == 16rFF. "/ alpha
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img colorAtX:0 y:0 put:(Color blue).
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self assert:(bytes at:1) == 0. "/ red
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self assert:(bytes at:2) == 0. "/ green
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self assert:(bytes at:3) == 16rFF. "/ blue
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self assert:(bytes at:4) == 16rFF. "/ alpha
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"/ ----------------------------------
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img := Image extent:1@1 depth:32.
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img photometric:#argb.
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img createPixelStore.
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bytes := img bits.
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img colorAtX:0 y:0 put:(Color red).
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self assert:(bytes at:1) == 16rFF. "/ alpha
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self assert:(bytes at:2) == 16rFF. "/ red
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self assert:(bytes at:3) == 0. "/ green
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self assert:(bytes at:4) == 0. "/ blue
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img colorAtX:0 y:0 put:(Color green).
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self assert:(bytes at:1) == 16rFF. "/ alpha
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self assert:(bytes at:2) == 0. "/ red
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self assert:(bytes at:3) == 16rFF. "/ green
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self assert:(bytes at:4) == 0. "/ blue
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img colorAtX:0 y:0 put:(Color blue).
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self assert:(bytes at:1) == 16rFF. "/ alpha
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self assert:(bytes at:2) == 0. "/ red
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self assert:(bytes at:3) == 0. "/ green
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self assert:(bytes at:4) == 16rFF. "/ blue
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"Created: / 22-08-2017 / 18:46:14 / cg"
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"Modified: / 22-07-2019 / 14:05:29 / Claus Gittinger"
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!
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test09_FillRectangle
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|depths colors rectangle|
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depths := { 16 . 24 . 32 }.
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colors := {
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Color red.
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Color green.
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Color blue.
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Color white.
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Color black
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}.
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rectangle := Rectangle left:0 top:0 width:1 height:1.
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depths do:[:depth |
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|img|
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img := Image extent:1 @ 1 depth:depth.
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img createPixelStore.
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colors do:[:color |
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|colorRetrieved|
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img fillRectangle:rectangle withColor:color.
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colorRetrieved := img colorAt: 0@0.
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self assert:(colorRetrieved = color)
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message:('depth:%1; expected:%2 / got:%3'
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bindWith:depth
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with:color hexPrintString
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with:colorRetrieved hexPrintString).
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].
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].
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"Created: / 22-08-2017 / 18:45:44 / cg"
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2336
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"Modified: / 22-07-2019 / 14:09:14 / Claus Gittinger"
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!
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test10_FillRectangle_palette
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|img depths colors rectangle|
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depths := { 2 . 4 . 8 }.
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colors := {
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Color red.
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Color green.
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Color blue.
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Color white.
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}.
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rectangle := Rectangle left:0 top:0 width:1 height:1.
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depths do:[:depth |
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img := Image extent:1 @ 1 depth:depth.
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img photometric:#palette.
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img colorMap:colors.
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img createPixelStore.
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colors do:[:color |
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img fillRectangle:rectangle withColor:color.
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self assert:((img colorAt:0 @ 0) = color).
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].
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].
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colors := {
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Color red.
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Color green.
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}.
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img := Image extent:1 @ 1 depth:1.
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img photometric:#palette.
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img colorMap:colors.
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img createPixelStore.
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colors do:[:color |
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img fillRectangle:rectangle withColor:color.
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self assert:((img colorAt:0 @ 0) = color).
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].
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"Created: / 22-08-2017 / 18:57:19 / cg"
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1678
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! !
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2329
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!ImageTests methodsFor:'tests - converting'!
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test49_24bit
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|img24|
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img24 := Depth24Image
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width:4
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height:4
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fromArray:#[
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16rFF 16r00 16r00 16rFF 16r00 16r00 16rFF 16r00 16r00 16rFF 16r00 16r00
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16r00 16rFF 16r00 16r00 16rFF 16r00 16r00 16rFF 16r00 16r00 16rFF 16r00
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16r00 16r00 16rFF 16r00 16r00 16rFF 16r00 16r00 16rFF 16r00 16r00 16rFF
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16rFF 16rFF 16rFF 16rFF 16rFF 16rFF 16rFF 16rFF 16rFF 16rFF 16rFF 16rFF
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].
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img24 photometric:#rgb.
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img24 samplesPerPixel:3.
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img24 bitsPerSample:#(8 8 8).
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self assert:(img24 pixelAtX:0 y:0) = 16rFF0000.
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self assert:(img24 colorAtX:0 y:0) = Color red.
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"Created: / 12-07-2019 / 14:34:50 / Stefan Reise"
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!
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test49_32bit
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|img32|
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img32 := Depth32Image
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width:4
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height:4
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fromArray:#[
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16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00
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16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00
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16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00
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16rFF 16rFF 16rFF 16r00 16rFF 16rFF 16rFF 16r00 16rFF 16rFF 16rFF 16r00 16rFF 16rFF 16rFF 16r00
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].
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img32 photometric:#rgb.
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img32 samplesPerPixel:4.
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img32 bitsPerSample:#(8 8 8 8).
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self assert:(img32 pixelAtX:0 y:0) = 16rFF000000.
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self assert:(img32 colorAtX:0 y:0) = Color red.
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336 |
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"Created: / 12-07-2019 / 14:35:43 / Stefan Reise"
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!
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test50_32_to_24
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|img32 img24|
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img32 := Depth32Image
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width:4
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height:4
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fromArray:#[
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16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00
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16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00
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16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00 16r00 16r00 16rFF 16r00
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350 |
16rFF 16rFF 16rFF 16r00 16rFF 16rFF 16rFF 16r00 16rFF 16rFF 16rFF 16r00 16rFF 16rFF 16rFF 16r00
|
|
|
351 |
].
|
|
|
352 |
img32 photometric:#rgb.
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|
|
353 |
img32 samplesPerPixel:4.
|
|
|
354 |
img32 bitsPerSample:#(8 8 8 8).
|
|
|
355 |
|
|
|
356 |
self assert:(img32 pixelAtX:0 y:0) = 16rFF000000.
|
|
|
357 |
self assert:(img32 colorAtX:0 y:0) = Color red.
|
|
|
358 |
|
|
|
359 |
self assert:(img32 pixelAtX:0 y:1) = 16r00FF0000.
|
|
|
360 |
self assert:(img32 colorAtX:0 y:1) = Color green.
|
|
|
361 |
|
|
|
362 |
img24 := img32 asImageWithDepth:24.
|
|
2337
|
363 |
self assert:(img24 pixelAtX:0 y:0) = 16r00FF0000.
|
|
2329
|
364 |
self assert:(img24 colorAtX:0 y:0) = Color red.
|
|
|
365 |
|
|
2337
|
366 |
self assert:(img24 pixelAtX:0 y:1) = 16r0000FF00.
|
|
2329
|
367 |
self assert:(img24 colorAtX:0 y:1) = Color green.
|
|
|
368 |
|
|
|
369 |
"Created: / 12-07-2019 / 14:32:48 / Stefan Reise"
|
|
2337
|
370 |
"Modified (format): / 22-07-2019 / 14:10:04 / Claus Gittinger"
|
|
2329
|
371 |
! !
|
|
|
372 |
|
|
1678
|
373 |
!ImageTests class methodsFor:'documentation'!
|
|
|
374 |
|
|
|
375 |
version
|
|
|
376 |
^ '$Header$'
|
|
|
377 |
!
|
|
|
378 |
|
|
|
379 |
version_CVS
|
|
|
380 |
^ '$Header$'
|
|
|
381 |
! !
|
|
|
382 |
|