author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 27 May 2010 12:46:08 +0300 | |
changeset 51 | 4785f57bf3d4 |
parent 46 | 23b5d6a29cce |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 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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* Initial Contributors: |
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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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*/ |
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#include <QImageReader> |
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#include <QTime> |
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#include "hswallpaperimagereader.h" |
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/*! |
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Constructor. |
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*/ |
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HsWallpaperImageReader::HsWallpaperImageReader(QObject *parent): |
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QThread(parent), |
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mCenterTarget(false) |
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{ |
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} |
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/*! |
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Destructor. |
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*/ |
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HsWallpaperImageReader::~HsWallpaperImageReader() |
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{ |
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} |
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/*! |
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Saves image source path |
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*/ |
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void HsWallpaperImageReader::setSourcePath(const QString &sourcePath) |
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{ |
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mSourcePath = sourcePath; |
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} |
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/*! |
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Returns image source path |
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*/ |
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QString HsWallpaperImageReader::sourcePath() const |
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{ |
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return mSourcePath; |
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} |
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/*! |
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Saves image source rect |
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*/ |
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void HsWallpaperImageReader::setSourceRect(const QRect &sourceRect) |
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{ |
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mSourceRect = sourceRect; |
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} |
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/*! |
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Returns source rect |
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*/ |
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QRect HsWallpaperImageReader::sourceRect() const |
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{ |
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return mSourceRect; |
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} |
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/*! |
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Saves image target rect |
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*/ |
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void HsWallpaperImageReader::setTargetRect(const QRect &targetRect) |
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{ |
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mTargetRect = targetRect; |
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} |
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/*! |
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Returns target rect |
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QRect HsWallpaperImageReader::targetRect() const |
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return mTargetRect; |
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} |
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/*! |
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Centers image target rect |
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*/ |
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void HsWallpaperImageReader::setCenterTarget(bool center) |
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mCenterTarget = center; |
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} |
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/*! |
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Returns target centering |
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*/ |
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bool HsWallpaperImageReader::centerTarget() |
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{ |
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return mCenterTarget; |
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} |
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/*! |
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Returns processed image |
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*/ |
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QImage HsWallpaperImageReader::processedImage() const |
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{ |
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return mProcessedImage; |
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} |
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112 |
|
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/*! |
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\internal |
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Scales and crops (if needed) image using target rect. |
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Centers target rect automatically if mCenterTarget is true. |
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Pass empty set sourceRect to empty to use full size source image as starting point. |
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Returns processed image or null image if operation fails. |
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*/ |
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void HsWallpaperImageReader::run() |
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{ |
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QImageReader imageReader(mSourcePath); |
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|
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QRect tempTargetRect = mTargetRect; |
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QRect tempSourceRect = mSourceRect; |
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|
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if (imageReader.canRead()) { |
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QSize sourceSize = imageReader.size(); |
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if (tempSourceRect.isEmpty()) { |
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// If sourceRect not defined, uses full size image as source. |
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tempSourceRect.setRect(0, 0, sourceSize.width(), sourceSize.height()); |
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} |
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sourceSize.scale(tempTargetRect.width(), tempTargetRect.height(), |
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Qt::KeepAspectRatioByExpanding); |
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imageReader.setScaledSize(sourceSize); |
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|
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if (mCenterTarget) { |
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tempTargetRect.moveCenter(QPoint(sourceSize.width() / 2, sourceSize.height() / 2)); |
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} |
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imageReader.setScaledClipRect(tempTargetRect); |
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mProcessedImage = imageReader.read(); |
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} else { |
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mProcessedImage = QImage(); |
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} |
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} |