qsgsoftwarepixmaprenderer.cpp

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/****************************************************************************

** 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 "qsgsoftwarepixmaprenderer_p.h"

#include "qsgsoftwarecontext_p.h"

#include <QtQuick/QSGSimpleRectNode>

#include <QElapsedTimer>

Q_LOGGING_CATEGORY(lcPixmapRenderer, "qt.scenegraph.softwarecontext.pixmapRenderer")

never executed: return category;

QT_BEGIN_NAMESPACE

QSGSoftwarePixmapRenderer::QSGSoftwarePixmapRenderer(QSGRenderContext *context)

: QSGAbstractSoftwareRenderer(context)

{

}

never executed: end of block

QSGSoftwarePixmapRenderer::~QSGSoftwarePixmapRenderer()

{

}

void QSGSoftwarePixmapRenderer::renderScene(uint)

{

class B : public QSGBindable

{

public:

void bind() const override { }

} bindable;

QSGRenderer::renderScene(bindable);

}

never executed: end of block

void QSGSoftwarePixmapRenderer::render()

{

}

void QSGSoftwarePixmapRenderer::render(QPaintDevice *target)

{

QElapsedTimer renderTimer;

// Setup background item

setBackgroundRect(m_projectionRect.normalized());

setBackgroundColor(clearColor());

renderTimer.start();

buildRenderList();

qint64 buildRenderListTime = renderTimer.restart();

// Optimize Renderlist

// Right now there is an assumption that when possible the same pixmap will

// be reused. So we can treat it like a backing store in that we can assume

// that when the pixmap is not being resized, the data can be reused. What is

// different though is that everything should be marked as dirty on a resize.

optimizeRenderList();

qint64 optimizeRenderListTime = renderTimer.restart();

if (!isOpaque() && target->devType() == QInternal::Pixmap) {

!isOpaque()	Description
TRUE	never evaluated
FALSE	never evaluated

target->devTyp...ternal::Pixmap	Description
TRUE	never evaluated
FALSE	never evaluated

// This fill here is wasteful, but necessary because it is the only way

// to force a QImage based pixmap to have an alpha channel.

100

static_cast<QPixmap *>(target)->fill(Qt::transparent);

101

}

never executed: end of block

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QPainter painter(target);

104

painter.setRenderHint(QPainter::Antialiasing);

105

painter.setWindow(m_projectionRect);

106

auto rc = static_cast<QSGSoftwareRenderContext *>(context());

107

QPainter *prevPainter = rc->m_activePainter;

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rc->m_activePainter = &painter;

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QRegion paintedRegion = renderNodes(&painter);

111

qint64 renderTime = renderTimer.elapsed();

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rc->m_activePainter = prevPainter;

114

qCDebug(lcPixmapRenderer) << "pixmapRender" << paintedRegion << buildRenderListTime << optimizeRenderListTime << renderTime;

never executed:

QMessageLogger(__FILE__, 114, __PRETTY_FUNCTION__, lcPixmapRenderer().categoryName()).debug() << "pixmapRender" << paintedRegion << buildRenderListTime << optimizeRenderListTime << renderTime;

qt_category_enabled	Description
TRUE	never evaluated
FALSE	never evaluated

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}

never executed: end of block

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void QSGSoftwarePixmapRenderer::setProjectionRect(const QRect &projectionRect)

118

{

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m_projectionRect = projectionRect;

120

}

never executed: end of block

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122

QT_END_NAMESPACE

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