/****************************************************************************+
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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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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the demonstration applications of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "demotextitem.h"+
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#include "colors.h"+
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+
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DemoTextItem::DemoTextItem(const QString &text, const QFont &font, const QColor &textColor,+
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                           float textWidth, QGraphicsScene *scene, QGraphicsItem *parent, TYPE type, const QColor &bgColor)+
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                           : DemoItem(scene, parent)+
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{+
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    this->type = type;+
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    this->text = text;+
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    this->font = font;+
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    this->textColor = textColor;+
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    this->bgColor = bgColor;+
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    this->textWidth = textWidth;+
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    this->noSubPixeling = true;+
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}+
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+
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void DemoTextItem::setText(const QString &text)+
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{+
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    this->text = text;+
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    this->update();+
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}+
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+
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QImage *DemoTextItem::createImage(const QMatrix &matrix) const+
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{+
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    if (this->type == DYNAMIC_TEXT)+
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        return 0;+
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+
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    float sx = qMin(matrix.m11(), matrix.m22());+
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    float sy = matrix.m22() < sx ? sx : matrix.m22();+
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+
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    QGraphicsTextItem textItem(0, 0);+
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    textItem.setHtml(this->text);+
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    textItem.setTextWidth(this->textWidth);+
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    textItem.setFont(this->font);+
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    textItem.setDefaultTextColor(this->textColor);+
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    textItem.document()->setDocumentMargin(2);+
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+
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    float w = textItem.boundingRect().width();+
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    float h = textItem.boundingRect().height();+
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    QImage *image = new QImage(int(w * sx), int(h * sy), QImage::Format_ARGB32_Premultiplied);+
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    image->fill(QColor(0, 0, 0, 0).rgba());+
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    QPainter painter(image);+
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    painter.scale(sx, sy);+
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    QStyleOptionGraphicsItem style;+
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    textItem.paint(&painter, &style, 0);+
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    return image;+
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}+
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+
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+
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void DemoTextItem::animationStarted(int)+
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{+
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    this->noSubPixeling = false;+
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}+
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+
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+
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void DemoTextItem::animationStopped(int)+
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{+
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    this->noSubPixeling = true;+
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}+
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+
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QRectF DemoTextItem::boundingRect() const+
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+
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{+
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    if (this->type == STATIC_TEXT)+
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        return DemoItem::boundingRect();+
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    return QRectF(0, 0, 50, 20); // Sorry for using magic number+
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}+
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+
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+
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void DemoTextItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)+
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{+
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    Q_UNUSED(option);+
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    Q_UNUSED(widget);+
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+
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    if (this->type == STATIC_TEXT) {+
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        DemoItem::paint(painter, option, widget);+
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        return;+
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    }+
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+
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    painter->setPen(this->textColor);+
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    painter->drawText(0, 0, this->text);+
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}+
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