Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
124 lines
4.1 KiB
C++
124 lines
4.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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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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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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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 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company 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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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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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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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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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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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float sx = qMin(matrix.m11(), matrix.m22());
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float sy = matrix.m22() < sx ? sx : matrix.m22();
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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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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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void DemoTextItem::animationStarted(int)
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{
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this->noSubPixeling = false;
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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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QRectF DemoTextItem::boundingRect() const
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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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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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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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painter->setPen(this->textColor);
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painter->drawText(0, 0, this->text);
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}
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