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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qquickcontext2dtile_p.h"
QT_BEGIN_NAMESPACE
QQuickContext2DTile::QQuickContext2DTile()
: m_dirty(true)
, m_rect(QRect(0, 0, 1, 1))
, m_device(nullptr)
{
}
QQuickContext2DTile::~QQuickContext2DTile()
{
if (m_painter.isActive())
m_painter.end();
}
QPainter* QQuickContext2DTile::createPainter(bool smooth, bool antialiasing)
{
if (m_painter.isActive())
m_painter.end();
aboutToDraw();
if (m_device) {
m_painter.begin(m_device);
m_painter.resetTransform();
m_painter.setCompositionMode(QPainter::CompositionMode_Source);
#ifdef QQUICKCONTEXT2D_DEBUG
int v = 100;
int gray = (m_rect.x() / m_rect.width() + m_rect.y() / m_rect.height()) % 2;
if (gray)
v = 150;
m_painter.fillRect(QRect(0, 0, m_rect.width(), m_rect.height()), QColor(v, v, v, 255));
#endif
if (antialiasing)
m_painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing, true);
else
m_painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing, false);
if (smooth)
m_painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
else
m_painter.setRenderHint(QPainter::SmoothPixmapTransform, false);
m_painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
m_painter.translate(-m_rect.left(), -m_rect.top());
m_painter.setClipRect(m_rect);
m_painter.setClipping(false);
return &m_painter;
}
return nullptr;
}
QQuickContext2DImageTile::QQuickContext2DImageTile()
: QQuickContext2DTile()
{
}
QQuickContext2DImageTile::~QQuickContext2DImageTile()
{
}
void QQuickContext2DImageTile::setRect(const QRect& r)
{
if (m_rect == r)
return;
m_rect = r;
m_dirty = true;
if (m_image.size() != r.size()) {
m_image = QImage(r.size(), QImage::Format_ARGB32_Premultiplied);
}
m_device = &m_image;
}
QT_END_NAMESPACE
|