author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 11 Jun 2010 13:33:44 +0300 | |
changeset 35 | 85266cc22c7f |
child 47 | f40128debb5d |
permissions | -rw-r--r-- |
35
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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Revision: v2.2.1
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* Initial Contributors: |
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Revision: v2.2.1
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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Revision: v2.2.1
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*/ |
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|
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Revision: v2.2.1
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package javax.microedition.lcdui; |
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|
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import org.eclipse.swt.internal.extension.CompositeExtension; |
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import org.eclipse.swt.internal.qt.graphics.GraphicsContext; |
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import org.eclipse.swt.widgets.Control; |
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import org.eclipse.swt.widgets.Internal_PackageSupport; |
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import org.eclipse.swt.widgets.Widget; |
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import org.eclipse.swt.internal.qt.graphics.WindowSurface; |
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|
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|
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final class CanvasBufferLinux extends Buffer { |
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|
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private Canvas host; |
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private WindowSurface surface; |
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private boolean syncPaintCallback; |
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private int paintX, paintY; |
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private int paintW, paintH; |
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CanvasBufferLinux(Canvas canvas, Control ctrl) |
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{ |
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super(); |
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setControlBounds(ctrl); |
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host = canvas; |
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} |
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|
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protected void init() |
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{ |
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super.init(); |
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surface = Internal_PackageSupport.getWindowsurface(host.getShell()); |
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} |
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|
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void bindToHost(GraphicsContext gc) |
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{ |
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gc.bindTarget(surface); |
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} |
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|
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void beginPaint(int x, int y, int w, int h) |
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{ |
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paintX = x; |
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paintY = y; |
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paintW = w; |
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paintH = h; |
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surface.beginPaint(paintX, paintY, paintW, paintH); |
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} |
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|
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void endPaint() |
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{ |
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// nothing to do |
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} |
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|
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void blit(GraphicsContext gc, Widget widget) |
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{ |
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// On linux platform this method is called in order to |
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// request new paint event and also from the actual paint event itself to blit the |
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// frame to display. |
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// The behavior of this method depends on the syncpaintCallback flag, which |
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// indicates on which above scenario we are in each time. |
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|
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// If we are within the paint callback |
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// draw the window surface to display |
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if(syncPaintCallback) |
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{ |
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gc.drawWindowSurface(surface, paintX, paintX, paintW, paintH); |
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} |
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else |
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{ |
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// We are requesting a paint event |
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syncPaintCallback = true; |
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((CompositeExtension)widget).redrawNow(paintX, paintY, paintW, paintH); |
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syncPaintCallback = false; |
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|
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// Once the display has been updated, |
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// clear the invalidate area |
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paintX = paintY = paintW = paintH = 0; |
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} |
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} |
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|
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Object getHost() |
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{ |
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return host; |
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} |
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|
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int getHostType() |
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{ |
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Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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102 |
return HOST_TYPE_CANVAS; |
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
103 |
} |
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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104 |
|
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
105 |
boolean isPaintingActive() { |
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
106 |
return syncPaintCallback; |
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
107 |
} |
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
108 |
|
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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109 |
WindowSurface getWindowSurface() |
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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110 |
{ |
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
111 |
return surface; |
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
112 |
} |
85266cc22c7f
Revision: v2.2.1
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
113 |
} |