author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 27 May 2010 12:49:31 +0300 | |
changeset 26 | dc7c549001d5 |
parent 23 | 98ccebc37403 |
permissions | -rw-r--r-- |
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Revision: v2.1.22
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/* |
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Revision: v2.1.22
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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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Revision: v2.1.22
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* This component and the accompanying materials are made available |
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Revision: v2.1.22
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* under the terms of "Eclipse Public License v1.0" |
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Revision: v2.1.22
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* which accompanies this distribution, and is available |
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Revision: v2.1.22
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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Revision: v2.1.22
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* |
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Revision: v2.1.22
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* Initial Contributors: |
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Revision: v2.1.22
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* Nokia Corporation - initial contribution. |
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Revision: v2.1.22
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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: v2.1.22
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*/ |
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Revision: v2.1.22
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package javax.microedition.lcdui.game; |
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|
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import javax.microedition.lcdui.Graphics; |
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import javax.microedition.lcdui.Image; |
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|
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/** |
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* LCDUI Layer class. |
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Revision: v2.1.22
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*/ |
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public abstract class Layer |
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{ |
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int x; |
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int y; |
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boolean visible; |
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|
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Image tileImage; |
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|
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int tileWidth; |
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int tileHeight; |
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|
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int tileCount; |
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int tileColumns; |
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|
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/** |
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* Package level constructor prevents Layer being subclassed. This is |
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* consistent with the MIDP 2.0 RI. |
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*/ |
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Layer(Image tileImage, int frameWidth, int frameHeight) |
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{ |
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visible = true; |
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setTileImage(tileImage, frameWidth, frameHeight); |
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} |
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Layer(Layer from) |
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{ |
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x = from.x; |
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y = from.y; |
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visible = from.visible; |
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tileImage = from.tileImage; |
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tileWidth = from.tileWidth; |
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tileHeight = from.tileHeight; |
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tileCount = from.tileCount; |
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tileColumns = from.tileColumns; |
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} |
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public void setPosition(int x, int y) |
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{ |
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this.x = x; |
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this.y = y; |
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} |
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public void move(int deltaX, int deltaY) |
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{ |
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x += deltaX; |
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y += deltaY; |
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} |
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public final int getX() |
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{ |
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return x; |
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} |
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public final int getY() |
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{ |
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return y; |
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} |
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public final int getWidth() |
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{ |
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return getLayerWidth(); |
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} |
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public final int getHeight() |
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{ |
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return getLayerHeight(); |
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} |
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public void setVisible(boolean visible) |
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{ |
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this.visible = visible; |
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} |
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public final boolean isVisible() |
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{ |
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return visible; |
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} |
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Revision: v2.1.22
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103 |
|
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Revision: v2.1.22
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104 |
public abstract void paint(Graphics graphics); |
2a9601315dfc
Revision: v2.1.22
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105 |
|
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Revision: v2.1.22
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106 |
abstract int getLayerWidth(); |
2a9601315dfc
Revision: v2.1.22
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107 |
|
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Revision: v2.1.22
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108 |
abstract int getLayerHeight(); |
2a9601315dfc
Revision: v2.1.22
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109 |
|
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Revision: v2.1.22
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110 |
/** |
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Revision: v2.1.22
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111 |
* Set the source image and tile size. checks that the image is completely |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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112 |
* tiled. computes the tile count. |
2a9601315dfc
Revision: v2.1.22
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113 |
*/ |
23
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Revision: v2.1.24
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diff
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114 |
void setTileImage(Image tileImage, int tileWidth, int tileHeight) |
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Revision: v2.1.24
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115 |
{ |
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Revision: v2.1.24
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116 |
if(tileWidth > 0 && tileHeight > 0) |
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Revision: v2.1.24
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117 |
{ |
21
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Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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118 |
final int imageWidth = tileImage.getWidth(); |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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119 |
final int imageHeight = tileImage.getHeight(); |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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120 |
|
2a9601315dfc
Revision: v2.1.22
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121 |
int rows = imageHeight / tileHeight; |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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122 |
int cols = imageWidth / tileWidth; |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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123 |
|
2a9601315dfc
Revision: v2.1.22
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124 |
int totalHeight = rows * tileHeight; |
2a9601315dfc
Revision: v2.1.22
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125 |
int totalWidth = cols * tileWidth; |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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126 |
|
23
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Revision: v2.1.24
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127 |
if(totalHeight == imageHeight && totalWidth == imageWidth) |
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Revision: v2.1.24
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|
128 |
{ |
21
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Revision: v2.1.22
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|
129 |
this.tileImage = tileImage; |
2a9601315dfc
Revision: v2.1.22
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|
130 |
this.tileWidth = tileWidth; |
2a9601315dfc
Revision: v2.1.22
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|
131 |
this.tileHeight = tileHeight; |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
132 |
this.tileCount = rows * cols; |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
133 |
this.tileColumns = cols; |
2a9601315dfc
Revision: v2.1.22
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134 |
return; |
2a9601315dfc
Revision: v2.1.22
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|
135 |
} |
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Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
136 |
} |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
137 |
throw new IllegalArgumentException( |
23
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Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
138 |
MsgRepository.LAYER_EXCEPTION_INVALID_TILE_WIDTH_HEIGHT); |
21
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Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
139 |
} |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
140 |
|
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
141 |
/** |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
142 |
* Is Layer visible in Graphics clip region. |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
143 |
*/ |
23
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Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
144 |
final boolean isVisible(Graphics graphics, int pX, int pY) |
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Revision: v2.1.24
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diff
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|
145 |
{ |
21
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Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
146 |
int x1 = x + pX; |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
147 |
int y1 = y + pY; |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
148 |
int x2 = x1 + getWidth(); |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
149 |
int y2 = y1 + getHeight(); |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
150 |
int clipX1 = graphics.getClipX(); |
2a9601315dfc
Revision: v2.1.22
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|
151 |
int clipY1 = graphics.getClipY(); |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
152 |
int clipX2 = clipX1 + graphics.getClipWidth(); |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
153 |
int clipY2 = clipY1 + graphics.getClipHeight(); |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
154 |
|
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
155 |
return !(clipX2 <= x1 || clipY2 <= y1 || clipX1 >= x2 || clipY1 >= y2); |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
156 |
} |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
157 |
|
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
158 |
} |