Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #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
++