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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "headingitem.h"
+#include "colors.h"
+
+HeadingItem::HeadingItem(const QString &text, QGraphicsScene *scene, QGraphicsItem *parent)
+ : DemoItem(scene, parent)
+{
+ this->text = text;
+ this->noSubPixeling = true;
+}
+
+QImage *HeadingItem::createImage(const QMatrix &matrix) const
+{
+ float sx = qMin(matrix.m11(), matrix.m22());
+ float sy = matrix.m22() < sx ? sx : matrix.m22();
+ QFontMetrics fm(Colors::headingFont());
+
+ float w = fm.width(this->text) + 1;
+ float h = fm.height();
+ float xShadow = 3.0f;
+ float yShadow = 3.0f;
+
+ QImage *image = new QImage(int((w + xShadow) * sx), int((h + yShadow) * sy), QImage::Format_ARGB32_Premultiplied);
+ image->fill(QColor(0, 0, 0, 0).rgba());
+ QPainter painter(image);
+ painter.setFont(Colors::headingFont());
+ painter.scale(sx, sy);
+
+ //draw shadow
+ QLinearGradient brush_shadow(xShadow, yShadow, w, yShadow);
+ brush_shadow.setSpread(QLinearGradient::PadSpread);
+ if (Colors::useEightBitPalette)
+ brush_shadow.setColorAt(0.0f, QColor(0, 0, 0));
+ else
+ brush_shadow.setColorAt(0.0f, QColor(0, 0, 0, 100));
+ QPen pen_shadow;
+ pen_shadow.setBrush(brush_shadow);
+ painter.setPen(pen_shadow);
+ painter.drawText(int(xShadow), int(yShadow), int(w), int(h), Qt::AlignLeft, this->text);
+
+ // draw text
+ QLinearGradient brush_text(0, 0, w, w);
+ brush_text.setSpread(QLinearGradient::PadSpread);
+ brush_text.setColorAt(0.0f, QColor(255, 255, 255));
+ brush_text.setColorAt(0.2f, QColor(255, 255, 255));
+ brush_text.setColorAt(0.5f, QColor(190, 190, 190));
+ QPen pen_text;
+ pen_text.setBrush(brush_text);
+ painter.setPen(pen_text);
+ painter.drawText(0, 0, int(w), int(h), Qt::AlignLeft, this->text);
+ return image;
+}
+
+
+void HeadingItem::animationStarted(int)
+{
+ this->noSubPixeling = false;
+}
+
+
+void HeadingItem::animationStopped(int)
+{
+ this->noSubPixeling = true;
+}