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Diffstat (limited to 'demos/qtdemo/letteritem.cpp')
-rw-r--r-- | demos/qtdemo/letteritem.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/demos/qtdemo/letteritem.cpp b/demos/qtdemo/letteritem.cpp new file mode 100644 index 0000000..7b814b1 --- /dev/null +++ b/demos/qtdemo/letteritem.cpp @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** 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 <cmath> +#include "letteritem.h" +#include "colors.h" + +LetterItem::LetterItem(char letter, QGraphicsScene *scene, QGraphicsItem *parent) : DemoItem(scene, parent), letter(letter) +{ + useSharedImage(QString(__FILE__) + letter); +} + +LetterItem::~LetterItem() +{ +} + +QImage *LetterItem::createImage(const QMatrix &matrix) const +{ + QRect scaledRect = matrix.mapRect(QRect(0, 0, 25, 25)); + QImage *image = new QImage(scaledRect.width(), scaledRect.height(), QImage::Format_ARGB32_Premultiplied); + image->fill(0); + QPainter painter(image); + painter.scale(matrix.m11(), matrix.m22()); + painter.setRenderHints(QPainter::TextAntialiasing | QPainter::Antialiasing | QPainter::SmoothPixmapTransform); + painter.setPen(Qt::NoPen); + if (Colors::useEightBitPalette){ + painter.setBrush(QColor(102, 175, 54)); + painter.drawEllipse(0, 0, 25, 25); + painter.setFont(Colors::tickerFont()); + painter.setPen(QColor(255, 255, 255)); + painter.drawText(10, 15, QString(this->letter)); + } + else { + QLinearGradient brush(0, 0, 0, 25); + brush.setSpread(QLinearGradient::PadSpread); + brush.setColorAt(0.0, QColor(102, 175, 54, 200)); + brush.setColorAt(1.0, QColor(102, 175, 54, 60)); + painter.setBrush(brush); + painter.drawEllipse(0, 0, 25, 25); + painter.setFont(Colors::tickerFont()); + painter.setPen(QColor(255, 255, 255, 255)); + painter.drawText(10, 15, QString(this->letter)); + } + return image; +} + + |