| author | Jan Vrany <jan.vrany@fit.cvut.cz> |
| Sun, 28 Feb 2016 14:53:56 +0000 | |
| changeset 51 | 5293f2b851ab |
| parent 50 | 239120c68187 |
| child 53 | 57718b3ac316 |
| permissions | -rw-r--r-- |
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"{ Package: 'stx:goodies/libcairo' }"
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"{ NameSpace: Cairo }"
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TestCase subclass:#Examples1 |
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instanceVariableNames:'view surface' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Cairo-Examples' |
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! |
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!Examples1 class methodsFor:'accessing'! |
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isTestSelector:aSelector |
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| method | |
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aSelector isNil ifTrue:[ ^ false ]. |
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method := self lookupMethodFor: aSelector. |
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^ method notNil |
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and:[(method hasAnnotation: #example:) or:[ method hasAnnotation: #example:category: ] ] |
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" |
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Cairo::Examples1 isTestSelector: #example01: |
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" |
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"Created: / 26-02-2016 / 21:57:20 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! ! |
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!Examples1 class methodsFor:'private'! |
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testSelectors |
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"The API method is allTestSelectors which now includes #shouldInheritSelectors and so handles all cases. Unlike that method, this does not guarantee to return a sorted ordered collection." |
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^self sunitSelectors select: [:each | self isTestSelector: each ] |
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"Created: / 26-02-2016 / 22:40:48 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! ! |
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!Examples1 methodsFor:'examples'! |
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example01: cr <example: '01 - arc'> |
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| xc yc radius angle1 angle2 | |
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xc := 128. |
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yc := 128. |
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radius := 100. |
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angle1 := 45 * (Float pi / 180). |
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angle2 := 180 * (Float pi / 180). |
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cr sourceR: 1.0 G: 1.0 B: 1.0. |
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cr lineWidth: 10. |
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cr arcX: xc y: yc radius: radius from: angle1 to: angle2. |
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cr stroke. |
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"Created: / 26-02-2016 / 21:53:02 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! |
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example21: cr <example: '21 - Display PNG from file'> |
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| png | |
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png := Cairo::Surface newPNGWithFile: (Smalltalk getBitmapFileName:'circle1.png' forPackage:#'stx:goodies/libcairo') pathName. |
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cr sourceR: 1 G: 1 B: 1. |
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cr rectangleX: 0 y: 0 width: 32 height: 32. |
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cr fill. |
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cr sourceR: 0 G: 0 B: 0. |
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cr rectangleX: 32 y: 32 width: 32 height: 32. |
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cr fill. |
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cr sourceSurface: png x: 0 y: 0. |
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cr paint. |
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"Created: / 28-02-2016 / 07:56:02 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! ! |
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!Examples1 methodsFor:'private'! |
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performTest |
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cr := Cairo::GraphicsContext onSurface: surface. |
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[ |
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self perform: testSelector sunitAsSymbol with: cr. |
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] ensure:[ |
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cr release |
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]. |
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"Created: / 26-02-2016 / 22:01:46 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! ! |
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!Examples1 methodsFor:'running'! |
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setUp |
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Display notNil ifTrue:[ |
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| top | |
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top := StandardSystemView new. |
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top origin: 10@10 extent: 200@100. |
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view := SimpleView origin: 0.0 @ 0.0 corner: 1.0 @ 1.0 in: top. |
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top openAndWait. |
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surface := view cairoSurface. |
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]. |
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"Created: / 26-02-2016 / 22:15:15 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! |
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tearDown |
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view notNil ifTrue:[ |
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view topView close. |
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]. |
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surface notNil ifTrue:[ |
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surface release. |
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]. |
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"Created: / 26-02-2016 / 22:18:42 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! ! |
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