author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 23 Jun 2010 18:12:48 +0300 | |
changeset 48 | d0b4e67b3a60 |
parent 36 | 6481344a6d67 |
child 45 | 863223ea6961 |
permissions | -rw-r--r-- |
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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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* 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: glxzoomwidget.cpp |
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* description of the class GlxGlxZoomWidget which controls the Zoom behavior of coverflow. |
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* |
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*/ |
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#include <QPinchGesture> |
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#include <hbiconitem.h> |
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#include <QTimeLine> |
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#include <QGesture> |
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#include "glximagedecoderwrapper.h" |
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#include "glxmodelparm.h" |
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#include "glxzoomwidget.h" |
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GlxZoomWidget::GlxZoomWidget(QGraphicsItem *parent):HbScrollArea(parent), mModel(NULL), mMinZValue(MINZVALUE), mMaxZValue(MAXZVALUE), mImageDecodeRequestSend(false), mPinchGestureOngoing(false), mDecodedImageAvailable(false), mTimerId(0) |
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{ |
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grabGesture(Qt::PinchGesture); |
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grabGesture(Qt::TapGesture); |
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setAcceptTouchEvents(true) ; |
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setFrictionEnabled(false); |
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setZValue(mMinZValue); |
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//create the child items and background |
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mZoomWidget = new QGraphicsWidget(this); |
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mZoomItem = new QGraphicsPixmapItem(mZoomWidget); |
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mZoomItem->setTransformationMode(Qt::SmoothTransformation); |
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//the black background |
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//replace when a proper substitute for setting backgrounds is known |
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mBlackBackgroundItem = new HbIconItem(this); |
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mBlackBackgroundItem->setBrush(QBrush(Qt::black)); |
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mBlackBackgroundItem->hide(); |
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//does not work so is commented |
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//setBackgroundItem(mBlackBackgroundItem); |
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|
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//initializing the image decoder |
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mImageDecoder = new GlxImageDecoderWrapper; |
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|
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//inititalizing the timer for animation |
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m_AnimTimeLine = new QTimeLine(500, this); |
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m_AnimTimeLine->setFrameRange(0, 100); |
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connect(m_AnimTimeLine, SIGNAL(frameChanged(int)), this, SLOT(animationFrameChanged(int))); |
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connect(m_AnimTimeLine, SIGNAL(finished()), this, SLOT(animationTimeLineFinished())); |
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} |
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|
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GlxZoomWidget::~GlxZoomWidget() |
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{ |
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//disconnect all existing signals |
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disconnect(this,SIGNAL( pinchGestureReceived(int) ), this, SLOT( sendDecodeRequest(int) ) ); |
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//no Null checks required |
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delete mZoomItem; |
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// delete mZoomWidget; //as this is a content widegt it will automatically be deleted |
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delete mBlackBackgroundItem; |
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//reset the decoder to cancel pending tasks |
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if(mImageDecoder) { |
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mImageDecoder->resetDecoder(); |
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delete mImageDecoder; |
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} |
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} |
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|
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void GlxZoomWidget::setModel (QAbstractItemModel *model) |
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{ |
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if(model) |
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{ |
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mModel = model; |
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retreiveFocusedImage(); //Update mZoomItem with focused Image |
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connect( mModel, SIGNAL( dataChanged(QModelIndex,QModelIndex) ), this, SLOT( dataChanged(QModelIndex,QModelIndex) ) ); |
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} |
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} |
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void GlxZoomWidget::setWindowSize(QSize windowSize) |
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{ |
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mWindowSize = windowSize; |
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mBlackBackgroundItem->setGeometry(QRectF(QPointF(0,0), mWindowSize)); |
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//try to reset the max and min zoomed size here |
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} |
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|
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void GlxZoomWidget::indexChanged(int index) |
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{ |
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Q_UNUSED(index); |
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if(mFocusIndex != index) { |
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mImageDecoder->resetDecoder();//reset the decoder first to cancel pending tasks |
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mImageDecodeRequestSend = false; |
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mDecodedImageAvailable = false; |
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retreiveFocusedImage(); //Update mZoomItem with focused Image |
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} |
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} |
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void GlxZoomWidget::cleanUp() |
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{ |
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if(mModel) { |
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disconnect( mModel, SIGNAL( dataChanged(QModelIndex,QModelIndex) ), this, SLOT( dataChanged(QModelIndex,QModelIndex) ) ); |
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|
102 |
mModel = NULL; |
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|
103 |
} |
36
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|
104 |
if(mImageDecoder) { |
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|
105 |
mImageDecoder->resetDecoder(); |
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|
106 |
} |
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|
107 |
mZoomItem->setPixmap(QPixmap()); |
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|
108 |
} |
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|
109 |
|
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|
110 |
void GlxZoomWidget::activate() |
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|
111 |
{ |
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112 |
} |
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|
113 |
|
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|
114 |
void GlxZoomWidget::setMinMaxZValue(int minZvalue, int maxZvalue) |
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|
115 |
{ |
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116 |
mMinZValue = minZvalue; |
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mMaxZValue = maxZvalue; |
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118 |
} |
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|
119 |
|
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120 |
void GlxZoomWidget::connectDecodeRequestToPinchEvent() |
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|
121 |
{ |
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122 |
connect(this,SIGNAL( pinchGestureReceived(int) ), this, SLOT( sendDecodeRequest(int) ), Qt::QueuedConnection ); |
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|
123 |
} |
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|
124 |
|
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125 |
bool GlxZoomWidget::sceneEvent(QEvent *event) |
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|
126 |
{ |
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127 |
bool consume(false); |
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if (event->type() == QEvent::Gesture) { |
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consume = executeGestureEvent(this, static_cast<QGestureEvent*>(event)); |
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|
130 |
} |
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131 |
if(!consume) |
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132 |
{ |
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133 |
consume = HbScrollArea::sceneEvent(event); |
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|
134 |
} |
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135 |
return consume; |
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136 |
} |
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|
137 |
|
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|
138 |
bool GlxZoomWidget::sceneEventFilter(QGraphicsItem *watched,QEvent *event) |
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|
139 |
{ |
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140 |
qDebug("GlxCoverFlow::eventFilter " ); |
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|
141 |
bool consume = false; |
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|
142 |
if (event->type() == QEvent::Gesture) { |
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143 |
consume = executeGestureEvent(watched, static_cast<QGestureEvent*>(event)); |
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|
144 |
} |
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|
145 |
|
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|
146 |
if(!consume) { |
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|
147 |
consume = HbScrollArea::sceneEventFilter(watched,event); |
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|
148 |
} |
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149 |
return consume; |
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|
150 |
|
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|
151 |
} |
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|
152 |
|
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153 |
bool GlxZoomWidget::executeGestureEvent(QGraphicsItem *source,QGestureEvent *event) |
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154 |
{ |
48
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|
155 |
if(QTapGesture *gesture = static_cast<QTapGesture *>(event->gesture(Qt::TapGesture))) { |
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156 |
if (gesture->state() == Qt::GestureFinished) { |
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|
157 |
if(!mTimerId) { |
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|
158 |
mTimerId = startTimer(500); |
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|
159 |
} |
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|
160 |
else { |
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|
161 |
killTimer(mTimerId); |
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|
162 |
mTimerId = 0; |
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|
163 |
animateZoomOut(gesture->position()); |
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|
164 |
} |
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|
165 |
} |
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|
166 |
event->accept(gesture); |
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|
167 |
return true; |
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|
168 |
} |
36
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|
169 |
if (QGesture *pinch = event->gesture(Qt::PinchGesture)) { |
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|
170 |
QPinchGesture* pinchG = static_cast<QPinchGesture *>(pinch); |
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|
171 |
QPinchGesture::ChangeFlags changeFlags = pinchG->changeFlags(); |
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|
172 |
if (changeFlags & QPinchGesture::ScaleFactorChanged) { |
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|
173 |
mPinchGestureOngoing = true; |
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Revision: 201021
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|
174 |
//bring the zoom widget to foreground |
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|
175 |
setZValue(mMaxZValue); |
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Revision: 201021
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|
176 |
//show the black background |
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Revision: 201021
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|
177 |
mBlackBackgroundItem->setParentItem(parentItem()); |
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Revision: 201021
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|
178 |
mBlackBackgroundItem->setZValue(mMaxZValue - 1); |
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Revision: 201021
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|
179 |
mBlackBackgroundItem->show(); |
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|
180 |
|
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|
181 |
//retreive the gesture values |
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|
182 |
qreal value = pinchG->scaleFactor() / pinchG->lastScaleFactor(); |
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|
183 |
QPointF center = pinchG->property("centerPoint").toPointF(); |
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|
184 |
//set the gesture center to the scene coordinates |
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|
185 |
QPointF sceneGestureCenter = source->sceneTransform().map(center); |
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|
186 |
zoomImage(value, sceneGestureCenter); |
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|
187 |
|
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|
188 |
} |
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|
189 |
if (pinchG->state() == Qt::GestureStarted) { |
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Revision: 201021
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|
190 |
emit pinchGestureReceived(mFocusIndex); |
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Revision: 201021
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diff
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|
191 |
} |
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diff
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|
192 |
|
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diff
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|
193 |
if (pinchG->state() == Qt::GestureFinished) { |
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Revision: 201021
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diff
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|
194 |
if(mStepCurrentSize != mCurrentSize) { |
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Revision: 201021
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|
195 |
//For giving a spring effect when user has zoomed more than normal. |
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Revision: 201021
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diff
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|
196 |
if(mStepCurrentSize.width() > mMaxScaleDecSize.width()) { |
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Revision: 201021
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|
197 |
//scale the image to limited size |
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|
198 |
qreal value = mMaxScaleDecSize.width()/mCurrentSize.width(); |
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Revision: 201021
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diff
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|
199 |
QPointF center(mWindowSize.width()/2, mWindowSize.height()/2); |
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|
200 |
QPointF sceneGestureCenter = source->sceneTransform().map(center); |
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Revision: 201021
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diff
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|
201 |
zoomImage(value, sceneGestureCenter); |
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Revision: 201021
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|
202 |
} |
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Revision: 201021
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|
203 |
mPinchGestureOngoing = false; |
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Revision: 201021
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|
204 |
//finalize the transforms to the geometry else panning will not work |
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Revision: 201021
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diff
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|
205 |
finalizeWidgetTransform(); |
6481344a6d67
Revision: 201021
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parents:
diff
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|
206 |
} |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
207 |
//push the Zoom widget to background when zoomed image size nears FS image |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
208 |
if(mStepCurrentSize.width() <= mMinDecScaleSize.width()*1.3) { |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
209 |
mBlackBackgroundItem->hide(); |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
210 |
//push the widget back to background |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
211 |
setZValue(mMinZValue); |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
212 |
emit zoomWidgetMovedBackground(mFocusIndex); |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
213 |
//do not reset the transform here as it will then zoom-in the widget to decoded image size |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
214 |
} |
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Revision: 201021
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parents:
diff
changeset
|
215 |
} |
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Revision: 201021
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parents:
diff
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|
216 |
//gesture accepted |
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Revision: 201021
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parents:
diff
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|
217 |
return true; |
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Revision: 201021
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parents:
diff
changeset
|
218 |
} |
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Revision: 201021
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parents:
diff
changeset
|
219 |
//gesture rejected |
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Revision: 201021
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parents:
diff
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|
220 |
if(!mPinchGestureOngoing) { |
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Revision: 201021
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parents:
diff
changeset
|
221 |
return false; |
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Revision: 201021
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parents:
diff
changeset
|
222 |
} |
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Revision: 201021
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parents:
diff
changeset
|
223 |
return true; |
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Revision: 201021
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parents:
diff
changeset
|
224 |
|
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Revision: 201021
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parents:
diff
changeset
|
225 |
} |
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Revision: 201021
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parents:
diff
changeset
|
226 |
|
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
227 |
void GlxZoomWidget::zoomImage(qreal zoomFactor, QPointF center) |
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Revision: 201021
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parents:
diff
changeset
|
228 |
{ |
6481344a6d67
Revision: 201021
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parents:
diff
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|
229 |
adjustGestureCenter(center, zoomFactor); |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
230 |
QSizeF requiredSize(mCurrentSize.width()*zoomFactor, mCurrentSize.height()*zoomFactor); |
6481344a6d67
Revision: 201021
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parents:
diff
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|
231 |
limitRequiredSize(requiredSize); |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
232 |
if(requiredSize != mCurrentSize) { |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
233 |
QTransform zoomTransform = mZoomWidget->transform(); |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
234 |
QPointF transformedCenter = mZoomWidget->sceneTransform().inverted().map(center); |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
235 |
zoomTransform.translate(transformedCenter.x(),transformedCenter.y()); |
6481344a6d67
Revision: 201021
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parents:
diff
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|
236 |
zoomTransform.scale(requiredSize.width()/mCurrentSize.width(), requiredSize.height()/mCurrentSize.height()); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
237 |
zoomTransform.translate(-transformedCenter.x(),-transformedCenter.y()); |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
238 |
mZoomWidget->setTransform(zoomTransform); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
239 |
mCurrentSize = requiredSize; |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
240 |
} |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
241 |
|
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
242 |
} |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
243 |
|
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
244 |
|
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
245 |
void GlxZoomWidget::limitRequiredSize(QSizeF &requiredSize) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
246 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
247 |
if(requiredSize.width() > mMaxScaleSize.width() ) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
248 |
requiredSize = mMaxScaleSize ; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
249 |
} |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
250 |
else if(requiredSize.width() < mMinDecScaleSize.width() ) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
251 |
requiredSize = mMinDecScaleSize ; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
252 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
253 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
254 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
255 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
256 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
257 |
//makes sure that the gesture is on the screen center if the image is smaller than the screen |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
258 |
void GlxZoomWidget::adjustGestureCenter(QPointF & gestureCenter, qreal& zoomFactor) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
259 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
260 |
if(zoomFactor > 1 &&zoomFactor > 1.2 ) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
261 |
zoomFactor = 1.2; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
262 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
263 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
264 |
if(zoomFactor < 1 &&zoomFactor < 0.8 ) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
265 |
zoomFactor = 0.8; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
266 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
267 |
QSizeF requiredSize(mCurrentSize.width()*zoomFactor, mCurrentSize.height()*zoomFactor); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
268 |
//keep smaller image centered |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
269 |
if(mCurrentSize.width() <= mWindowSize.width() ) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
270 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
271 |
gestureCenter.setX(mWindowSize.width()/2); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
272 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
273 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
274 |
if(mCurrentSize.height() <= mWindowSize.height()) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
275 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
276 |
gestureCenter.setY(mWindowSize.height()/2); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
277 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
278 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
279 |
//maintains the boundary of the edges for zoom out conditions |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
280 |
if(zoomFactor < 1) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
281 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
282 |
QPointF itemOriginPos = mZoomWidget->sceneTransform().map(QPointF(0,0)); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
283 |
bool hasWidthExceededWindow = mCurrentSize.width() > mWindowSize.width(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
284 |
bool hasHeightExceededWindow = mCurrentSize.height() > mWindowSize.height(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
285 |
if(itemOriginPos.x() >= 0) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
286 |
//image has crossed left boundry leaving blank space |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
287 |
if(hasWidthExceededWindow) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
288 |
//stick the gesture to the left corner |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
289 |
gestureCenter.setX(itemOriginPos.x()); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
290 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
291 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
292 |
//Check if the right boundry can be adjusted |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
293 |
if(itemOriginPos.x()+ mCurrentSize.width() <= mWindowSize.width()) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
294 |
//Image is before the right boundry leaving blank space |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
295 |
if(hasWidthExceededWindow) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
296 |
//stick the gesture to the right corner |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
297 |
gestureCenter.setX(itemOriginPos.x()+ mCurrentSize.width()); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
298 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
299 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
300 |
//check if the upper boundry could be adjusted |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
301 |
if(itemOriginPos.y() >= 0) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
302 |
//image has crossed the upper boundry leaving blank space |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
303 |
if(hasHeightExceededWindow) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
304 |
//stick the image to the upper boundry |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
305 |
gestureCenter.setY(itemOriginPos.y()); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
306 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
307 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
308 |
//check if the lower boundry could be adjusted |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
309 |
if(itemOriginPos.y()+ mCurrentSize.height() <= mWindowSize.height()) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
310 |
//Image is before the right boundry leaving blank space |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
311 |
if(hasHeightExceededWindow) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
312 |
//stick the image to the right corner |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
313 |
gestureCenter.setY(itemOriginPos.y()+ mCurrentSize.height()); |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
314 |
} |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
315 |
|
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
316 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
317 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
318 |
//control the zoom Factor to boundaries |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
319 |
if(mCurrentSize.width() > mWindowSize.width() && requiredSize.width() <= mWindowSize.width()) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
320 |
{ |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
321 |
zoomFactor = mWindowSize.width()/mCurrentSize.width(); |
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
322 |
|
6481344a6d67
Revision: 201021
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parents:
diff
changeset
|
323 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
324 |
else if(mCurrentSize.height() > mWindowSize.height() && requiredSize.height() <= mWindowSize.height()) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
325 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
326 |
zoomFactor = mWindowSize.height()/mCurrentSize.height(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
327 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
328 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
330 |
//reduce the ZF so as to show a decelerated effect at max/min levels |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
331 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
332 |
if(mCurrentSize.width() > mMaxScaleDecSize.width() && zoomFactor > 1 ) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
333 |
zoomFactor = 1.0 + ((zoomFactor-1.0)/6) ; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
334 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
335 |
if(mCurrentSize.width() < mMinDecScaleSize.width() && zoomFactor < 1 ) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
336 |
zoomFactor = 1.0 - ((1.0-zoomFactor)/6) ; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
337 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
338 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
339 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
340 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
341 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
342 |
//get the latest focused image and set it to mZoomItem |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
343 |
void GlxZoomWidget::retreiveFocusedImage() |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
344 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
345 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
346 |
QPixmap targetPixmap(getFocusedImage()); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
347 |
//initialize all the variables wrt the focussed pixmap |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
348 |
mZoomWidget->resetTransform(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
349 |
mItemSize = targetPixmap.size(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
350 |
mMaxScaleSize = mItemSize; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
351 |
mMaxScaleSize.scale(mWindowSize*13, Qt::KeepAspectRatio); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
352 |
mMaxScaleDecSize = mItemSize; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
353 |
mMaxScaleDecSize.scale(mWindowSize*7, Qt::KeepAspectRatio); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
354 |
mMinScaleSize = mItemSize* 0.7; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
355 |
mMinDecScaleSize = mItemSize; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
356 |
QPointF originPos = sceneTransform().map(QPointF(0,0)); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
357 |
mZoomWidget->setGeometry(QRectF(QPointF(mWindowSize.width()/2 - mItemSize.width()/2,mWindowSize.height()/2 - mItemSize.height()/2),mItemSize )); //chk this |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
358 |
mZoomWidget->setPreferredSize(mItemSize); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
359 |
mZoomItem->setPixmap(targetPixmap); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
360 |
mCurrentSize = mItemSize; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
361 |
mStepCurrentSize = mItemSize; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
362 |
setContentWidget(mZoomWidget); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
363 |
show(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
364 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
365 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
366 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
367 |
void GlxZoomWidget::dataChanged(QModelIndex startIndex, QModelIndex endIndex) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
368 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
369 |
if(mFocusIndex >= startIndex.row() && mFocusIndex <= endIndex.row()) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
370 |
//get the latest image from the model |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
371 |
//will replace a decoded image if callback is received after decoded image is received so a fix is required |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
372 |
//retreiveFocusedImage(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
373 |
if(!mDecodedImageAvailable) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
374 |
QPixmap targetPixmap(getFocusedImage()); |
48
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
375 |
mItemSize = targetPixmap.size(); |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
376 |
mMaxScaleSize = mItemSize; |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
377 |
mMaxScaleSize.scale(mWindowSize*13, Qt::KeepAspectRatio); |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
378 |
mMaxScaleDecSize = mItemSize; |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
379 |
mMaxScaleDecSize.scale(mWindowSize*7, Qt::KeepAspectRatio); |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
380 |
mMinScaleSize = mItemSize* 0.7; |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
381 |
mMinDecScaleSize = mItemSize; |
36
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
382 |
mZoomItem->setPixmap(targetPixmap); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
383 |
finalizeWidgetTransform(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
384 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
385 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
void GlxZoomWidget::decodedImageAvailable() |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
389 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
//new bitmap with better resolution is available |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
//so set it to the item |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
QPixmap decodedPixmap = mImageDecoder->getPixmap(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
disconnect(mImageDecoder, SIGNAL(pixmapDecoded()), this, SLOT(decodedImageAvailable())); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
394 |
if(decodedPixmap.isNull()){ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
return; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
mDecodedImageAvailable = true; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
mZoomItem->setPixmap(decodedPixmap); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
mItemSize = decodedPixmap.size(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
//this is important if not done then old transforms will be applied on the new image |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
finalizeWidgetTransform(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
void GlxZoomWidget::sendDecodeRequest(int index) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
if(!mImageDecodeRequestSend) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
QString imagePath = (mModel->data(mModel->index(index,0),GlxUriRole)).value<QString>(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
mImageDecoder->decodeImage(imagePath); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
connect(mImageDecoder, SIGNAL(pixmapDecoded()), this, SLOT(decodedImageAvailable())); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
mImageDecodeRequestSend = true; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
void GlxZoomWidget::finalizeWidgetTransform() |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
QPointF widgetPos = mZoomWidget->sceneTransform().map(QPointF(0,0)); //Map the origin wrt scene |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
mZoomWidget->resetTransform(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
mZoomWidget->scale(mCurrentSize.width()/mItemSize.width(), mCurrentSize.height()/mItemSize.height()); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
mZoomWidget->setGeometry(QRectF(widgetPos , mCurrentSize)); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
// this updates HbScrollArea on the sizeHint of ZoomWidget |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
mZoomWidget->setPreferredSize(mCurrentSize); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
mStepCurrentSize = mCurrentSize; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
QPixmap GlxZoomWidget::getFocusedImage() |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
mFocusIndex = mModel->data(mModel->index(0,0),GlxFocusIndexRole).value<int>(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
QVariant iconVariant = mModel->data(mModel->index(mFocusIndex,0),GlxFsImageRole); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
QVariant sizeVariant = mModel->data(mModel->index(mFocusIndex,0),GlxDimensionsRole); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
QPixmap targetPixmap; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
//retreive pixmap from the HbIcon received from model |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
//should change the model to return and save pixmaps and convert to HbIcons Instead |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
if ( iconVariant.isValid() && iconVariant.canConvert<HbIcon> () ) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
QIcon itemIcon = iconVariant.value<HbIcon>().qicon(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
QSize itemSize = itemIcon.actualSize(mWindowSize); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
QSize scaleSize; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
if(sizeVariant.isValid() && sizeVariant.canConvert<QSize> ()) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
scaleSize = sizeVariant.toSize(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
if(!(scaleSize.width() < mWindowSize.width() && scaleSize.height() < mWindowSize.height())) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
scaleSize = mWindowSize; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
targetPixmap = itemIcon.pixmap(itemSize).scaled(scaleSize, Qt::KeepAspectRatio); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
mItemSize = targetPixmap.size(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
return targetPixmap; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
void GlxZoomWidget::animateZoomIn(QPointF animRefPoint) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
emit pinchGestureReceived(mFocusIndex); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
//bring the zoom widget to foreground |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
setZValue(mMaxZValue); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
//show the black background |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
mBlackBackgroundItem->setParentItem(parentItem()); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
mBlackBackgroundItem->setZValue(mMaxZValue - 1); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
mBlackBackgroundItem->show(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
m_AnimRefPoint = animRefPoint; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
QSizeF requiredSize = mItemSize; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
requiredSize.scale(mWindowSize*3.5, Qt::KeepAspectRatio); |
48
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
467 |
m_FinalAnimatedScaleFactor = requiredSize.width()/mMinDecScaleSize.width(); |
36
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
m_AnimTimeLine->setDirection(QTimeLine::Forward); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
m_AnimTimeLine->start(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
// zoomImage(5, m_AnimRefPoint); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
void GlxZoomWidget::animateZoomOut(QPointF animRefPoint) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
m_AnimRefPoint = animRefPoint; |
48
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
476 |
m_FinalAnimatedScaleFactor = mMinDecScaleSize.width()/mCurrentSize.width(); |
36
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
//m_AnimTimeLine->setDirection(QTimeLine::Backward); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
m_AnimTimeLine->start(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
void GlxZoomWidget::animationFrameChanged(int frameNumber) |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
qreal scaleFactor = 1; |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
if(m_FinalAnimatedScaleFactor > 1) { |
48
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
484 |
scaleFactor = (1.0 + (((m_FinalAnimatedScaleFactor - 1)/100)*frameNumber))/(mCurrentSize.width()/mMinDecScaleSize.width()); |
36
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
if(m_FinalAnimatedScaleFactor < 1) { |
48
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
487 |
scaleFactor = (m_FinalAnimatedScaleFactor+ (((1 - m_FinalAnimatedScaleFactor)/100)*frameNumber))/(mCurrentSize.width()/mMinDecScaleSize.width()); |
36
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
zoomImage(scaleFactor, m_AnimRefPoint); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
|
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
void GlxZoomWidget::animationTimeLineFinished() |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
{ |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
finalizeWidgetTransform(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
//push the Zoom widget to background when zoomed image size nears FS image |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
if(mStepCurrentSize.width() <= mMinDecScaleSize.width()*1.3) { |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
mBlackBackgroundItem->hide(); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
//push the widget back to background |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
setZValue(mMinZValue); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
emit zoomWidgetMovedBackground(mFocusIndex); |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
//do not reset the transform here as it will then zoom-in the widget to decoded image size |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
} |
6481344a6d67
Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
|
48
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
506 |
|
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
507 |
void GlxZoomWidget::timerEvent(QTimerEvent *event) |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
508 |
{ |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
509 |
if(mTimerId == event->timerId()) |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
510 |
{ |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
511 |
killTimer(mTimerId); |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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mTimerId = 0; |
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Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
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} |
d0b4e67b3a60
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
36
diff
changeset
|
514 |
} |