author | Jan Vrany <jan.vrany@fit.cvut.cz> |
Thu, 18 Feb 2016 23:16:17 +0000 | |
changeset 41 | 17bc740cbc2a |
parent 40 | 28dfc583beb5 |
child 42 | 475e93b10c8f |
permissions | -rw-r--r-- |
1 | 1 |
"{ Package: 'stx:goodies/libcairo' }" |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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"{ NameSpace: Smalltalk }" |
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9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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parents:
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DeviceGraphicsContext subclass:#CairoGraphicsContext |
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#displayString: in CairoGraphicsContext revamped
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instanceVariableNames:'cr' |
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Fixed (lazy) initialization of CairoGraphicsContext
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classVariableNames:'Lobby' |
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#displayString: in CairoGraphicsContext revamped
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poolDictionaries:'Cairo::FontSlant Cairo::FontWeight Cairo::Format Cairo::Status' |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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category:'Cairo-Compatibility' |
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- DLL path is set automatically.
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9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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parents:
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!CairoGraphicsContext class methodsFor:'initialization'! |
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GraphicsContext refactoring (part 2)
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GraphicsContext refactoring (part 2)
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initialize |
26070c1e480e
GraphicsContext refactoring (part 2)
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"Invoked at system start or when the class is dynamically loaded." |
26070c1e480e
GraphicsContext refactoring (part 2)
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GraphicsContext refactoring (part 2)
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"/ please change as required (and remove this comment) |
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GraphicsContext refactoring (part 2)
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GraphicsContext refactoring (part 2)
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Lobby := Registry new. |
26070c1e480e
GraphicsContext refactoring (part 2)
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41
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
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"Modified: / 18-02-2016 / 22:51:03 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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GraphicsContext refactoring (part 2)
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! ! |
26070c1e480e
GraphicsContext refactoring (part 2)
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8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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!CairoGraphicsContext class methodsFor:'instance creation'! |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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onDeviceGraphicsContext: dGC |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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| cGC | |
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More work for using CairoGrahicsContext for rendering views
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#displayString: in CairoGraphicsContext revamped
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cGC := self basicNew. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
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1 to: DeviceGraphicsContext instSize do:[:i | |
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Fixed (lazy) initialization of CairoGraphicsContext
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cGC instVarAt: i put: (dGC instVarAt: i). |
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More work for using CairoGrahicsContext for rendering views
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]. |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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dGC gcId notNil ifTrue:[ |
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Fixed (lazy) initialization of CairoGraphicsContext
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cGC initGC. |
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More work for using CairoGrahicsContext for rendering views
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]. |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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^ cGC |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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"Created: / 15-02-2016 / 21:20:00 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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Fixed (lazy) initialization of CairoGraphicsContext
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parents:
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"Modified: / 18-02-2016 / 22:50:51 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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More work for using CairoGrahicsContext for rendering views
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! ! |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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!CairoGraphicsContext class methodsFor:'accessing'! |
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dllPath |
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OperatingSystem isMSWINDOWSlike ifTrue:[ |
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^ #( 'C:\Windows' 'C:\Windows\System32' "Wild guess, should not harm" ) |
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OperatingSystem isUNIXlike ifTrue:[ |
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OperatingSystem getSystemType == #linux ifTrue:[ |
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path := #( '/lib' '/usr/lib' '/usr/local/lib' ). |
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(OperatingSystem getSystemInfo at:#machine) = 'x86_64' ifTrue:[ |
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"If the machine is 64bit, prepend standard path for 32bit libs. |
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Leave standard paths at the end, as the system might be completely |
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32bit but running on 64bit-capable CPU. |
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CAVEAT: This is bit dangerous, as on 64bit OS, if ia32 libs are |
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not installed byt 64bit sqlite libs are, then 64bit libs are found |
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and when a function is called, segfault will occur!! |
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Q: Is there a way how to figure out if the OS itself is 32bit, |
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regardles on CPU?" |
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path := #( '/lib32' '/usr/lib32' '/usr/local/lib32' ) , path. |
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^path |
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self error:'Unsupported operating system' |
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SqliteLibrary dllPath |
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" |
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"Created: / 31-08-2011 / 18:02:17 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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libraryName |
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Bindinge updated to recent Cairo version.
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OperatingSystem isUNIXlike ifTrue:[^'libcairo.so.2']. |
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OperatingSystem isMSWINDOWSlike ifTrue:[^'cairo.dll']. |
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self error:'Library name for host OS is not known' |
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Fixed flickring of Cairo::ClockView by rendering into an off-screen image.
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sizeof |
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"Returns size of undelaying structure in bytes" |
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^0 |
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! ! |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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!CairoGraphicsContext class methodsFor:'examples'! |
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rectangleOnTranscript |
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" |
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Cairo::GraphicsContext rectangleOnTranscript |
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" |
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| gc | |
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gc := Transcript cairo. |
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gc paint: Color black. |
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gc moveToX: 30 y: 50. |
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gc paint: (Color red alpha: 0.5). |
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gc rectangleX: 10 y: 15 width: 150 height: 60. |
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gc fill. |
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gc paint: (Color red alpha: 0.75). |
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gc rectangleX: 10 y: 15 width: 150 height: 60. |
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gc stroke. |
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"Created: / 23-04-2009 / 17:33:57 / Jan Vrany <vranyj1@fel.cvut.cz>" |
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! ! |
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9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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!CairoGraphicsContext methodsFor:'accessing'! |
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26070c1e480e
GraphicsContext refactoring (part 2)
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#displayString: in CairoGraphicsContext revamped
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basicFont:aFont |
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#displayString: in CairoGraphicsContext revamped
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(aFont ~~ font) ifTrue:[ |
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#displayString: in CairoGraphicsContext revamped
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super basicFont: aFont. |
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#displayString: in CairoGraphicsContext revamped
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font notNil ifTrue:[ |
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font := CairoScaledFont fromFontDescription: font onDevice: device. |
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#displayString: in CairoGraphicsContext revamped
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cr notNil ifTrue:[ |
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cr font: font scaledFont. |
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cr fontSize: (Screen current verticalPixelPerInch / 72) * font size. |
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#displayString: in CairoGraphicsContext revamped
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]. |
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#displayString: in CairoGraphicsContext revamped
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]. |
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]. |
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#displayString: in CairoGraphicsContext revamped
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"Created: / 16-02-2016 / 15:37:44 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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#displayString: in CairoGraphicsContext revamped
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"Modified: / 18-02-2016 / 00:38:31 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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#displayString: in CairoGraphicsContext revamped
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! |
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#displayString: in CairoGraphicsContext revamped
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More work for using CairoGrahicsContext for rendering views
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clippingBounds:aRectangleOrNil |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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"set the clipping rectangle for drawing (in logical coordinates); |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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a nil argument turn off clipping (i.e. whole view is drawable)" |
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More work for using CairoGrahicsContext for rendering views
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More work for using CairoGrahicsContext for rendering views
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^ super clippingBounds:aRectangleOrNil |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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More work for using CairoGrahicsContext for rendering views
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"Created: / 15-02-2016 / 21:38:05 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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! |
34
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Use Cairo's toy text API for text rendering.
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function:aFunctionSymbol |
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"set the drawing function" |
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^ self shouldImplement |
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! |
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153 |
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lineWidth: w |
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super lineWidth: w. |
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cr lineWidth: (w == 0 ifTrue:[ 1 ] ifFalse:[ w ]). |
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"Created: / 17-06-2012 / 21:55:05 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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"Modified: / 16-02-2016 / 10:13:31 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
30
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! |
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mask:aForm |
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"set the drawing mask" |
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165 |
^ self shouldImplement |
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166 |
! |
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167 |
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paint: aColor |
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super paint: aColor. |
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cr notNil ifTrue:[ |
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cr source: paint. |
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]. |
1 | 173 |
|
174 |
"Created: / 10-07-2008 / 11:18:13 / Jan Vrany <vranyj1@fel.cvut.cz>" |
|
10
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Few hacks before presentation at Smalltalk Jihlava 2009
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175 |
"Modified: / 23-04-2009 / 17:31:33 / Jan Vrany <vranyj1@fel.cvut.cz>" |
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176 |
"Modified: / 18-02-2016 / 22:56:37 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
1 | 177 |
! ! |
178 |
||
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!CairoGraphicsContext methodsFor:'accessing-transformation'! |
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transformation:aTransformation |
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"set the transformation" |
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183 |
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184 |
super transformation: aTransformation. |
39
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|
185 |
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186 |
cr matrixReset. |
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transformation notNil ifTrue:[ |
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188 |
cr |
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189 |
scale: transformation scale; |
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190 |
transform: transformation translation. |
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191 |
] |
31
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192 |
|
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193 |
"Created: / 01-01-2015 / 12:07:07 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
39
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194 |
"Modified: / 16-02-2016 / 10:59:23 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
31
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195 |
! ! |
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196 |
|
36
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197 |
!CairoGraphicsContext methodsFor:'basic drawing'! |
30
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198 |
|
32
fb983be8d2c0
To fold - support for display/fillArc...
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199 |
displayArcX:x y:y width:w height:h from:start angle:angle |
fb983be8d2c0
To fold - support for display/fillArc...
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|
200 |
|
fb983be8d2c0
To fold - support for display/fillArc...
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201 |
| angle1 angle2 | |
fb983be8d2c0
To fold - support for display/fillArc...
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|
202 |
|
36
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203 |
cr save. |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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204 |
[ |
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205 |
w ~~ h ifTrue:[ |
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206 |
self notYetImplemented |
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207 |
]. |
32
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To fold - support for display/fillArc...
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|
208 |
|
36
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209 |
angle1 := (360 - start) . |
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210 |
angle2 := (360 - (start + angle)) \\ 360. |
30
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|
211 |
|
36
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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|
212 |
(angle2 < angle1) ifTrue:[ |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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|
213 |
cr arcNegativeX: (x + (w / 2)) y: (y + (h / 2)) radius: w / 2 from: angle1 * (Float pi / 180) to: angle2 * (Float pi / 180). |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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|
214 |
] ifFalse:[ |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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parents:
35
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|
215 |
cr arcNegativeX: (x + (w / 2)) y: (y + (h / 2)) radius: w / 2 from: angle2 * (Float pi / 180) to: angle1 * (Float pi / 180). |
9b680e54aa94
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|
216 |
]. |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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|
217 |
cr stroke. |
32
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|
218 |
|
36
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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|
219 |
w ~~ h ifTrue:[ |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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220 |
self notYetImplemented |
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221 |
]. |
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|
222 |
] ensure:[ |
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223 |
cr restore. |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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|
224 |
] |
32
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To fold - support for display/fillArc...
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|
225 |
|
36
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226 |
"Modified: / 13-02-2016 / 20:05:32 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
30
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|
227 |
! |
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GraphicsContext refactoring (part 1)
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|
228 |
|
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|
229 |
displayLineFromX:x0 y:y0 toX:x1 y:y1 |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
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|
230 |
"draw a line from x0/y0 to x1/y1" |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
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|
231 |
|
36
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|
232 |
cr moveToX: x0 y: y0. |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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233 |
cr lineToX: x1 y: y1. |
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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234 |
cr stroke. |
30
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GraphicsContext refactoring (part 1)
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|
235 |
|
36
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236 |
"Modified: / 13-02-2016 / 20:05:00 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
17 | 237 |
! |
238 |
||
31
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|
239 |
displayPolygon:points |
30
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|
240 |
"draw a polygon |
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GraphicsContext refactoring (part 1)
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|
241 |
- this could be recoded to draw using displayLine" |
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GraphicsContext refactoring (part 1)
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|
242 |
|
36
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|
243 |
cr moveToX: points first x asFloat y: points first y asFloat. |
31
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244 |
2 to: points size do:[:i | |
36
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Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
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245 |
cr lineToX: (points at: i) x asFloat y: (points at: i) y asFloat |
31
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246 |
]. |
36
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247 |
cr closePath. |
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248 |
cr stroke. |
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249 |
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|
250 |
"Modified: / 13-02-2016 / 20:04:45 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
30
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251 |
! |
17 | 252 |
|
30
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253 |
displayRectangleX:x y:y width:w height:h |
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|
254 |
"draw a rectangle |
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GraphicsContext refactoring (part 1)
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|
255 |
- this could be recoded to draw using displayLine" |
40
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#displayString: in CairoGraphicsContext revamped
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|
256 |
(w > 0 and:[h > 0]) ifTrue:[ |
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#displayString: in CairoGraphicsContext revamped
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|
257 |
cr rectangleX: x y: y width: w height: h. |
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|
258 |
cr stroke. |
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|
259 |
] |
30
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GraphicsContext refactoring (part 1)
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|
260 |
|
40
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|
261 |
"Modified: / 18-02-2016 / 22:21:56 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
30
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GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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|
262 |
! |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
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changeset
|
263 |
|
39
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More work for using CairoGrahicsContext for rendering views
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changeset
|
264 |
displayString:aStringArg from:index1Arg to:index2Arg x:x y:y opaque:opaqueArg maxWidth:maxWidth |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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parents:
36
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|
265 |
"draw a substring at the coordinate x/y - draw foreground pixels in |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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|
266 |
paint-color and (if opaque is true), background pixels in bgPaint-color. |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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|
267 |
If the transformation involves scaling, the font's point-size is scaled as appropriate. |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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parents:
36
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|
268 |
Assuming that device can only draw in device colors, we have to handle |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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|
269 |
the case where paint and/or bgPaint are dithered colors. |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
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|
270 |
maxWidth is the maximum width of the string in pixels or nil if unknown." |
30
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GraphicsContext refactoring (part 1)
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|
271 |
|
40
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|
272 |
| opaque string | |
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|
273 |
" |
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|
274 |
if backgroundPaint color is nil, we assume |
28dfc583beb5
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|
275 |
this is a non-opaque draw |
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|
276 |
" |
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|
277 |
opaque := opaqueArg ? false. |
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|
278 |
bgPaint isNil ifTrue:[ |
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|
279 |
opaque := false. |
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|
280 |
]. |
28dfc583beb5
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changeset
|
281 |
|
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changeset
|
282 |
gcId isNil ifTrue:[ |
28dfc583beb5
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parents:
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|
283 |
self initGC |
28dfc583beb5
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changeset
|
284 |
]. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
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parents:
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changeset
|
285 |
|
28dfc583beb5
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parents:
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changeset
|
286 |
(aStringArg isString not or:[aStringArg isText]) ifTrue:[ |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
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parents:
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changeset
|
287 |
" |
28dfc583beb5
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changeset
|
288 |
hook for non-strings (i.e. attributed text) |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
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parents:
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changeset
|
289 |
that 'thing' should know how to display itself ... |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
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parents:
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changeset
|
290 |
" |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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changeset
|
291 |
aStringArg displayOn:self x:x y:y from:index1Arg to:index2Arg opaque:opaque. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
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|
292 |
^ self |
28dfc583beb5
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parents:
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changeset
|
293 |
]. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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changeset
|
294 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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changeset
|
295 |
(index1Arg == 1 and:[ index2Arg == aStringArg size ]) ifTrue:[ |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
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parents:
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changeset
|
296 |
string := aStringArg |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
297 |
] ifFalse:[ |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
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changeset
|
298 |
string := aStringArg copyFrom: index1Arg to: index2Arg |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
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parents:
39
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changeset
|
299 |
]. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
300 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
301 |
cr save. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
302 |
[ |
40
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
303 |
| extents | |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
304 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
305 |
extents := cr textExtents: string. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
306 |
cr rectangleX: x + extents xBearing ceiling y: y - font ascent ceiling width: extents xAdvance ceiling height: font height ceiling. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
307 |
cr lineWidth: 0. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
308 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
309 |
opaque ifTrue:[ |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
310 |
cr source: bgPaint. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
311 |
cr fill. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
312 |
] ifFalse:[ |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
313 |
"/ I'm not sure why this is required but if not done, |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
314 |
"/ selected text is not rendered correcrtly... |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
315 |
cr stroke. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
316 |
]. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
317 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
318 |
self assert: cr status == CAIRO_STATUS_SUCCESS. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
319 |
cr source: paint. |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
320 |
cr moveToX: x y: y. |
40
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
321 |
cr showText: string. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
322 |
self assert: cr status == CAIRO_STATUS_SUCCESS. |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
323 |
] ensure:[ |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
324 |
cr restore. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
325 |
] |
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
326 |
|
39
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
36
diff
changeset
|
327 |
"Created: / 16-02-2016 / 10:51:24 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
40
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
328 |
"Modified: / 18-02-2016 / 21:12:00 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
17 | 329 |
! ! |
330 |
||
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
331 |
!CairoGraphicsContext methodsFor:'basic filling'! |
10
dd5fece7c8d2
Few hacks before presentation at Smalltalk Jihlava 2009
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
8
diff
changeset
|
332 |
|
30
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
333 |
fillArcX:x y:y width:w height:h from:start angle:angle |
32
fb983be8d2c0
To fold - support for display/fillArc...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
31
diff
changeset
|
334 |
|
fb983be8d2c0
To fold - support for display/fillArc...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
31
diff
changeset
|
335 |
| angle1 angle2 | |
fb983be8d2c0
To fold - support for display/fillArc...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
31
diff
changeset
|
336 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
337 |
cr save. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
338 |
[ |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
339 |
w ~~ h ifTrue:[ |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
340 |
self notYetImplemented |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
341 |
]. |
32
fb983be8d2c0
To fold - support for display/fillArc...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
31
diff
changeset
|
342 |
|
fb983be8d2c0
To fold - support for display/fillArc...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
31
diff
changeset
|
343 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
344 |
angle1 := (360 - start) . |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
345 |
angle2 := (360 - (start + angle)) \\ 360. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
346 |
|
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
347 |
cr moveToX: (x + (w / 2)) y: (y + (h / 2)). |
32
fb983be8d2c0
To fold - support for display/fillArc...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
31
diff
changeset
|
348 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
349 |
(angle2 < angle1) ifTrue:[ |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
350 |
cr arcNegativeX: (x + (w / 2)) y: (y + (h / 2)) radius: w / 2 from: angle1 * (Float pi / 180) to: angle2 * (Float pi / 180). |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
351 |
] ifFalse:[ |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
352 |
cr arcNegativeX: (x + (w / 2)) y: (y + (h / 2)) radius: w / 2 from: angle2 * (Float pi / 180) to: angle1 * (Float pi / 180). |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
353 |
]. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
354 |
cr closePath. |
10
dd5fece7c8d2
Few hacks before presentation at Smalltalk Jihlava 2009
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
8
diff
changeset
|
355 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
356 |
cr strokeAndPreserve. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
357 |
cr fill. |
32
fb983be8d2c0
To fold - support for display/fillArc...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
31
diff
changeset
|
358 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
359 |
w ~~ h ifTrue:[ |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
360 |
self notYetImplemented |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
361 |
]. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
362 |
] ensure:[ |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
363 |
cr restore. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
364 |
] |
32
fb983be8d2c0
To fold - support for display/fillArc...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
31
diff
changeset
|
365 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
366 |
"Modified: / 13-02-2016 / 20:03:39 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
30
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
367 |
! |
10
dd5fece7c8d2
Few hacks before presentation at Smalltalk Jihlava 2009
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
8
diff
changeset
|
368 |
|
30
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
369 |
fillPolygon:points |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
370 |
"fill a polygon with current paint color" |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
371 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
372 |
cr moveToX: points first x asFloat y: points first y asFloat. |
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
373 |
2 to: points size do:[:i | |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
374 |
cr lineToX: (points at: i) x asFloat y: (points at: i) y asFloat |
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
375 |
]. |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
376 |
cr closePath. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
377 |
cr strokeAndPreserve. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
378 |
cr fill. |
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
379 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
380 |
"Modified: / 13-02-2016 / 20:01:26 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
10
dd5fece7c8d2
Few hacks before presentation at Smalltalk Jihlava 2009
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
8
diff
changeset
|
381 |
! |
dd5fece7c8d2
Few hacks before presentation at Smalltalk Jihlava 2009
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
8
diff
changeset
|
382 |
|
30
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
383 |
fillRectangleX:x y:y width:w height:h |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
384 |
"fill a rectangle with current paint color" |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
385 |
|
40
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
386 |
(w > 0 and:[h > 0]) ifTrue:[ |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
387 |
cr lineWidth: 0. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
388 |
cr rectangleX: x y: y width: w height: h. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
389 |
cr fill. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
390 |
cr lineWidth: (lineWidth == 0 ifTrue:[1] ifFalse:[lineWidth]) |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
391 |
]. |
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
392 |
|
39
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
36
diff
changeset
|
393 |
"/ cr save. |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
36
diff
changeset
|
394 |
"/ cr rectangleX: x y: y width: w height: h. |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
36
diff
changeset
|
395 |
"/ cr sourceR: 1 G: 0 B: 0. |
40
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
396 |
"/ cr lineWidth: 1. |
39
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
36
diff
changeset
|
397 |
"/ cr stroke. |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
36
diff
changeset
|
398 |
"/ cr restore. |
10
dd5fece7c8d2
Few hacks before presentation at Smalltalk Jihlava 2009
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
8
diff
changeset
|
399 |
|
40
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
400 |
"Modified: / 18-02-2016 / 22:20:48 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
401 |
! ! |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
402 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
403 |
!CairoGraphicsContext methodsFor:'bit blitting'! |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
404 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
405 |
copyBitsFrom:aByteArray bitsPerPixel:bpp depth:depth padding:pad width:srcW height:srcH x:srcX y:srcY toX:dstX y:dstY |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
406 |
"copy bits from a smalltalk byteArray. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
407 |
The bits found there are supposed to be in the devices native format (i.e. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
408 |
translated to allocated color indices on pseudoColor devices and padded as required. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
409 |
The byteOrder is MSB and will be converted as appropriate by the underlying devices |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
410 |
method to whatever the device needs." |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
411 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
412 |
cr notNil ifTrue:[ |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
413 |
cr surface flush |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
414 |
]. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
415 |
^ super copyBitsFrom:aByteArray bitsPerPixel:bpp depth:depth padding:pad width:srcW height:srcH x:srcX y:srcY toX:dstX y:dstY |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
416 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
417 |
"Created: / 18-02-2016 / 20:16:24 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
418 |
! |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
419 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
420 |
copyFrom:aDrawable x:srcX y:srcY toX:dstX y:dstY width:w height:h async:async |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
421 |
"copy from aDrawable into the receiver; |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
422 |
the source may be the receiver as well - in this case its a scroll. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
423 |
All coordinates are in device coordinates. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
424 |
If the receiver is a view AND async is true, the call returns immediately |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
425 |
- otherwise, it returns when the scroll operation is finished. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
426 |
(not all devices care for this). |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
427 |
If the receiver is a pixmap, the call always returns immediately." |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
428 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
429 |
cr notNil ifTrue:[ |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
430 |
cr surface flush |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
431 |
]. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
432 |
^ super copyFrom:aDrawable x:srcX y:srcY toX:dstX y:dstY width:w height:h async:async |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
433 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
434 |
"Created: / 18-02-2016 / 20:17:26 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
435 |
! |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
436 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
437 |
copyPlaneFrom:aDrawable x:srcX y:srcY toX:dstX y:dstY width:w height:h |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
438 |
"copy one plane from aDrawable into the receiver. 0's are drawn in |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
439 |
background, while 1's are drawn with foreground color. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
440 |
The depth of aDrawable must (should) be 1. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
441 |
The drawable must have been allocated on the same device. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
442 |
All coordinates are in device coordinates." |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
443 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
444 |
cr notNil ifTrue:[ |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
445 |
cr surface flush |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
446 |
]. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
447 |
^ super copyPlaneFrom:aDrawable x:srcX y:srcY toX:dstX y:dstY width:w height:h |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
448 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
449 |
"Created: / 18-02-2016 / 20:17:58 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
10
dd5fece7c8d2
Few hacks before presentation at Smalltalk Jihlava 2009
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
8
diff
changeset
|
450 |
! ! |
dd5fece7c8d2
Few hacks before presentation at Smalltalk Jihlava 2009
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
8
diff
changeset
|
451 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
452 |
!CairoGraphicsContext methodsFor:'drawing'! |
17 | 453 |
|
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
454 |
displayForm:aFormOrImage x:x y:y |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
455 |
"draw a form (or image) at x/y; |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
456 |
if the form has depth 1, 1's in the form are |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
457 |
drawn in current paint color, 0's are ignored. |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
458 |
If the form has depth ~~ 1, the current fg color setting is ignored." |
1 | 459 |
|
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
460 |
| image width height stride data image_surface | |
17 | 461 |
|
39
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
36
diff
changeset
|
462 |
^ super displayForm:aFormOrImage x:x y:y. |
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
36
diff
changeset
|
463 |
|
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
464 |
image := aFormOrImage asImage. |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
465 |
width := image width. |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
466 |
height := image height. |
39
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
36
diff
changeset
|
467 |
stride := Cairo::CPrimitives cairo_format_stride_for_width: CAIRO_FORMAT_ARGB32 _: width. |
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
468 |
data := ExternalBytes basicNew allocateBytes: stride * height clear: false. |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
469 |
[ |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
470 |
image bitsARGB32Into: data stride: stride fg: self paint bg: self backgroundPaint. |
39
8af34937e1ec
More work for using CairoGrahicsContext for rendering views
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
36
diff
changeset
|
471 |
image_surface := Cairo::CPrimitives cairo_image_surface_create_for_data: data _: CAIRO_FORMAT_ARGB32 _: width _: height _: stride. |
40
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
472 |
Cairo::CPrimitives cairo_set_source_surface: cr _: image_surface _: x asFloat _: y asFloat. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
473 |
Cairo::CPrimitives cairo_paint: cr. |
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
474 |
] ensure:[ |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
475 |
data finalize. |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
476 |
image_surface release. |
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
477 |
]. |
1 | 478 |
|
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
479 |
"Created: / 31-12-2014 / 12:08:08 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
40
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
480 |
"Modified: / 17-02-2016 / 20:58:00 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
481 |
! |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
482 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
483 |
displayLineFrom:p0 to:p1 |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
484 |
"draw a line (with current paint-color); apply transformation if nonNil" |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
485 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
486 |
^ self displayLineFromX: p0 x y: p0 y toX: p1 x y: p1 y |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
487 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
488 |
"Created: / 18-02-2016 / 20:27:56 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
489 |
! |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
490 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
491 |
displayLineFromX:xStart y:yStart toX:xEnd y:yEnd brush:aForm |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
492 |
"draw a line using a brush. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
493 |
Here, a slow fallback is used, drawing into a |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
494 |
temporary bitmap first, which is then displayed" |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
495 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
496 |
cr notNil ifTrue:[ |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
497 |
cr surface flush |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
498 |
]. |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
499 |
^ super displayLineFromX:xStart y:yStart toX:xEnd y:yEnd brush:aForm |
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
500 |
|
28dfc583beb5
#displayString: in CairoGraphicsContext revamped
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
39
diff
changeset
|
501 |
"Created: / 18-02-2016 / 20:28:58 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
502 |
! |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
503 |
|
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
504 |
displayRoundRectangleX:x y:y width:w height:h wCorner:wCorn hCorner:hCorn |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
505 |
| r pi | |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
506 |
wCorn ~~ hCorn ifTrue:[ |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
507 |
self notYetImplemented. |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
508 |
]. |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
509 |
r := wCorn / 2. |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
510 |
pi := Float pi. |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
511 |
|
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
512 |
"/ top-left arc |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
513 |
cr arcX: x + r y: y + r radius: r from: pi to: (3/2) * pi. |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
514 |
"/ top-right atc |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
515 |
cr arcX: x + w - r y: y + r radius: r from: (3/2) * pi to: 0.0. |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
516 |
"/ bottom-right atc |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
517 |
cr arcX: x + w - r y: y + h - r radius: r from: 0.0 to: (1/2) * pi. |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
518 |
"/ bottom-left atc |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
519 |
cr arcX: x + r y: y + h - r radius: r from: (1/2) * pi to: pi. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
520 |
cr closePath. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
521 |
cr stroke. |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
522 |
|
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
523 |
" |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
524 |
|v| |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
525 |
|
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
526 |
(v := View new) extent:200@200; openAndWait. |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
527 |
v cairo |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
528 |
lineWidth: 5; |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
529 |
displayRoundRectangleX:10 y:10 width:100 height:100 wCorner:20 hCorner:20; |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
530 |
release |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
531 |
" |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
532 |
|
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
533 |
"Created: / 07-01-2015 / 20:41:47 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
534 |
"Modified: / 13-02-2016 / 20:00:35 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
535 |
! ! |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
536 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
537 |
!CairoGraphicsContext methodsFor:'filling'! |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
538 |
|
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
539 |
fillRoundRectangleX:x y:y width:w height:h wCorner:wCorn hCorner:hCorn |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
540 |
| r pi | |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
541 |
wCorn ~~ hCorn ifTrue:[ |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
542 |
self notYetImplemented. |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
543 |
]. |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
544 |
r := wCorn / 2. |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
545 |
pi := Float pi. |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
546 |
|
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
547 |
"/ top-left arc |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
548 |
cr arcX: x + r y: y + r radius: r from: pi to: (3/2) * pi. |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
549 |
"/ top-right atc |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
550 |
cr arcX: x + w - r y: y + r radius: r from: (3/2) * pi to: 0.0. |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
551 |
"/ bottom-right atc |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
552 |
cr arcX: x + w - r y: y + h - r radius: r from: 0.0 to: (1/2) * pi. |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
553 |
"/ bottom-left atc |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
554 |
cr arcX: x + r y: y + h - r radius: r from: (1/2) * pi to: pi. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
555 |
cr closePath. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
556 |
cr fill. |
33
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
557 |
|
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
558 |
" |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
559 |
|v| |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
560 |
|
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
561 |
(v := View new) extent:200@200; openAndWait. |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
562 |
v cairo |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
563 |
lineWidth: 5; |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
564 |
displayRoundRectangleX:10 y:10 width:100 height:100 wCorner:20 hCorner:20; |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
565 |
release |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
566 |
" |
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
567 |
|
8a2e438b4363
To fold - better display/fill RoundedRectangle...
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
32
diff
changeset
|
568 |
"Created: / 07-01-2015 / 21:33:41 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
569 |
"Modified: / 13-02-2016 / 20:00:02 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
1 | 570 |
! ! |
571 |
||
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
572 |
!CairoGraphicsContext methodsFor:'finalization'! |
34
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
573 |
|
35
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
574 |
executor |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
575 |
^ super executor |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
576 |
"/^ self shallowCopy |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
577 |
|
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
578 |
"Created: / 12-02-2016 / 17:04:29 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
579 |
! |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
580 |
|
34
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
581 |
finalization |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
582 |
self destroy |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
583 |
|
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
584 |
"Created: / 09-01-2015 / 10:20:47 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
585 |
! |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
586 |
|
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
587 |
finalizationLobby |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
588 |
"answer a Registry used for finalization. |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
589 |
Use a generic Registry for any object. |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
590 |
Subclasses using their own Registry should redefine this" |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
591 |
|
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
592 |
^ Lobby |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
593 |
|
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
594 |
"Created: / 09-01-2015 / 10:20:35 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
595 |
! ! |
97705b5a9411
Use Cairo's toy text API for text rendering.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
33
diff
changeset
|
596 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
597 |
!CairoGraphicsContext methodsFor:'initialization & release'! |
35
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
598 |
|
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
599 |
createCR |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
600 |
"Physically create a Cairo graphics context" |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
601 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
602 |
cr := self cairo. |
35
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
603 |
|
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
604 |
"Created: / 12-02-2016 / 16:59:03 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
41
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
605 |
"Modified: / 18-02-2016 / 22:53:24 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
35
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
606 |
! |
30
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
607 |
|
35
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
608 |
createGC |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
609 |
"physically create a device GC. |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
610 |
Since we do not need a gc-object for the drawable until something is |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
611 |
really drawn, none is created up to the first draw. |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
612 |
This method is sent, when the first drawing happens" |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
613 |
super createGC. |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
614 |
self createCR |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
615 |
|
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
616 |
"Created: / 12-02-2016 / 16:58:30 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
617 |
! |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
618 |
|
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
619 |
destroyCR |
30
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
620 |
"Tell Cairo library to destroy the corresponding C object. |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
621 |
Remember that object is physically destroyed only if internal |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
622 |
refcounter goes to zero. However, after calling destroy, |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
623 |
this instance should be treated as invalid." |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
624 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
625 |
cr notNil ifTrue:[ |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
626 |
| surface | |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
627 |
|
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
628 |
surface := cr surface. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
629 |
cr release. |
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
630 |
surface release. |
35
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
631 |
]. |
30
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
632 |
|
35
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
633 |
"Created: / 12-02-2016 / 16:59:40 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
634 |
"Modified: / 13-02-2016 / 19:59:02 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
35
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
635 |
! |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
636 |
|
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
637 |
destroyGC |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
638 |
self destroyCR. |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
639 |
super destroyGC |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
640 |
|
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
641 |
"Created: / 12-02-2016 / 17:01:01 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
30
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
642 |
! |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
643 |
|
41
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
644 |
initCR |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
645 |
| f | |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
646 |
|
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
647 |
cr isNil ifTrue:[ |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
648 |
self createCR. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
649 |
]. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
650 |
cr lineWidth: (lineWidth == 0 ifTrue:[ 1 ] ifFalse:[ lineWidth ]). |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
651 |
cr source: paint. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
652 |
cr matrixReset. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
653 |
transformation notNil ifTrue:[ |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
654 |
cr |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
655 |
scale: transformation scale; |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
656 |
transform: transformation translation. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
657 |
]. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
658 |
f := font. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
659 |
font := nil. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
660 |
self basicFont: f. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
661 |
|
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
662 |
"Created: / 18-02-2016 / 22:48:24 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
663 |
! |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
664 |
|
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
665 |
initGC |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
666 |
super initGC. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
667 |
self initCR. |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
668 |
|
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
669 |
"Created: / 18-02-2016 / 22:48:15 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
670 |
! |
17bc740cbc2a
Fixed (lazy) initialization of CairoGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
40
diff
changeset
|
671 |
|
35
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
672 |
releaseCR |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
673 |
self destroyCR |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
674 |
|
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
675 |
"Created: / 12-02-2016 / 17:02:35 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
676 |
! |
30
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
677 |
|
35
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
678 |
releaseGC |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
679 |
"destroy the associated device GC resource - can be done to be nice to the |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
680 |
display if you know that you are done with a drawable." |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
681 |
|
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
682 |
self releaseCR. |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
683 |
super releaseGC. |
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
684 |
|
395689a88b32
Make Cairo::GraphicsContext to inherit from DeviceGraphicsContext
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
34
diff
changeset
|
685 |
"Created: / 12-02-2016 / 17:03:21 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
30
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
686 |
! ! |
c8fe298c8cc7
GraphicsContext refactoring (part 1)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
29
diff
changeset
|
687 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
688 |
!CairoGraphicsContext class methodsFor:'documentation'! |
7
392289f92fab
- DLL path is set automatically.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
6
diff
changeset
|
689 |
|
392289f92fab
- DLL path is set automatically.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
6
diff
changeset
|
690 |
version |
392289f92fab
- DLL path is set automatically.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
6
diff
changeset
|
691 |
^'$Id$' |
11 | 692 |
! |
693 |
||
23
38ee47dbd976
Added version_HG to make Mercurial happy
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
20
diff
changeset
|
694 |
version_HG |
38ee47dbd976
Added version_HG to make Mercurial happy
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
20
diff
changeset
|
695 |
^ '$Changeset: <not expanded> $' |
7
392289f92fab
- DLL path is set automatically.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
6
diff
changeset
|
696 |
! ! |
26
7f07a8c31e6d
Fixed flickring of Cairo::ClockView by rendering into an off-screen image.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
23
diff
changeset
|
697 |
|
31
26070c1e480e
GraphicsContext refactoring (part 2)
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
30
diff
changeset
|
698 |
|
36
9b680e54aa94
Take a step back: separate Cairo's GraphicsContext (cairo_t) and Smalltalk/X's graphics context
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
35
diff
changeset
|
699 |
CairoGraphicsContext initialize! |