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     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the demonstration applications of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    40 ****************************************************************************/

    41 

    42 #include <cmath>

    43 #include "letteritem.h"

    44 #include "colors.h"

    45 

    46 LetterItem::LetterItem(char letter, QGraphicsScene *scene, QGraphicsItem *parent) : DemoItem(scene, parent), letter(letter)

    47 {

    48     useSharedImage(QString(__FILE__) + letter);

    49 }

    50 

    51 LetterItem::~LetterItem()

    52 {

    53 }

    54 

    55 QImage *LetterItem::createImage(const QMatrix &matrix) const

    56 {

    57     QRect scaledRect = matrix.mapRect(QRect(0, 0, 25, 25));

    58     QImage *image = new QImage(scaledRect.width(), scaledRect.height(), QImage::Format_ARGB32_Premultiplied);

    59     image->fill(0);

    60     QPainter painter(image);

    61     painter.scale(matrix.m11(), matrix.m22());

    62     painter.setRenderHints(QPainter::TextAntialiasing | QPainter::Antialiasing | QPainter::SmoothPixmapTransform);

    63     painter.setPen(Qt::NoPen);

    64     if (Colors::useEightBitPalette){

    65         painter.setBrush(QColor(102, 175, 54));

    66         painter.drawEllipse(0, 0, 25, 25);

    67         painter.setFont(Colors::tickerFont());

    68         painter.setPen(QColor(255, 255, 255));

    69         painter.drawText(10, 15, QString(this->letter));

    70     }

    71     else {

    72         QLinearGradient brush(0, 0, 0, 25);

    73         brush.setSpread(QLinearGradient::PadSpread);

    74         brush.setColorAt(0.0, QColor(102, 175, 54, 200));

    75         brush.setColorAt(1.0, QColor(102, 175, 54, 60));

    76         painter.setBrush(brush);

    77         painter.drawEllipse(0, 0, 25, 25);

    78         painter.setFont(Colors::tickerFont());

    79         painter.setPen(QColor(255, 255, 255, 255));

    80         painter.drawText(10, 15, QString(this->letter));

    81     }

    82     return image;

    83 }

    84 

    85