qsgsoftwarepainternode.cpp

Enable keyboard shortcuts

++ // 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 "qsgsoftwarepainternode_p.h"

++ #include "qsgsoftwarepixmaptexture_p.h"

++ #include <qmath.h>

++

++ QT_BEGIN_NAMESPACE

++

++ QSGSoftwarePainterNode::QSGSoftwarePainterNode(QQuickPaintedItem *item)

++     : QSGPainterNode()

++     , m_preferredRenderTarget(QQuickPaintedItem::Image)

++     , m_item(item)

++     , m_texture(nullptr)

++     , m_dirtyContents(false)

++     , m_opaquePainting(false)

++     , m_linear_filtering(false)

++     , m_mipmapping(false)

++     , m_smoothPainting(false)

++     , m_fastFBOResizing(false)

++     , m_fillColor(Qt::transparent)

++     , m_contentsScale(1.0)

++     , m_dirtyGeometry(false)

++ {

++     setMaterial((QSGMaterial*)1);

++     setGeometry((QSGGeometry*)1);

++ }

++

++ QSGSoftwarePainterNode::~QSGSoftwarePainterNode()

++ {

++     delete m_texture;

++ }

++

++ void QSGSoftwarePainterNode::setPreferredRenderTarget(QQuickPaintedItem::RenderTarget target)

++ {

++     if (m_preferredRenderTarget == target)

++         return;

++

++     m_preferredRenderTarget = target;

++ }

++

++ void QSGSoftwarePainterNode::setSize(const QSize &size)

++ {

++     if (size == m_size)

++         return;

++

++     m_size = size;

++

++     m_dirtyGeometry = true;

++ }

++

++ void QSGSoftwarePainterNode::setDirty(const QRect &dirtyRect)

++ {

++     m_dirtyContents = true;

++     m_dirtyRect = dirtyRect;

++     markDirty(DirtyMaterial);

++ }

++

++ void QSGSoftwarePainterNode::setOpaquePainting(bool opaque)

++ {

++     if (opaque == m_opaquePainting)

++         return;

++

++     m_opaquePainting = opaque;

++ }

++

++ void QSGSoftwarePainterNode::setLinearFiltering(bool linearFiltering)

++ {

++     if (linearFiltering == m_linear_filtering)

++         return;

++

++     m_linear_filtering = linearFiltering;

++ }

++

++ void QSGSoftwarePainterNode::setMipmapping(bool mipmapping)

++ {

++     if (mipmapping == m_mipmapping)

++         return;

++

++     m_mipmapping = mipmapping;

++ }

++

++ void QSGSoftwarePainterNode::setSmoothPainting(bool s)

++ {

++     if (s == m_smoothPainting)

++         return;

++

++     m_smoothPainting = s;

++ }

++

++ void QSGSoftwarePainterNode::setFillColor(const QColor &c)

++ {

++     if (c == m_fillColor)

++         return;

++

++     m_fillColor = c;

++     markDirty(DirtyMaterial);

++ }

++

++ void QSGSoftwarePainterNode::setContentsScale(qreal s)

++ {

++     if (s == m_contentsScale)

++         return;

++

++     m_contentsScale = s;

++     markDirty(DirtyMaterial);

++ }

++

++ void QSGSoftwarePainterNode::setFastFBOResizing(bool dynamic)

++ {

++     m_fastFBOResizing = dynamic;

++ }

++

++ QImage QSGSoftwarePainterNode::toImage() const

++ {

++     return m_pixmap.toImage();

++ }

++

++ void QSGSoftwarePainterNode::update()

++ {

++     if (m_dirtyGeometry) {

++         m_pixmap = QPixmap(m_textureSize);

++         if (!m_opaquePainting)

++             m_pixmap.fill(Qt::transparent);

++

++         if (m_texture)

++             delete m_texture;

++         m_texture = new QSGSoftwarePixmapTexture(m_pixmap);

++     }

++

++     if (m_dirtyContents)

++         paint();

++

++     m_dirtyGeometry = false;

++     m_dirtyContents = false;

++ }

++

++ void QSGSoftwarePainterNode::paint(QPainter *painter)

++ {

++     bool before = painter->testRenderHint(QPainter::SmoothPixmapTransform);

++     painter->setRenderHint(QPainter::SmoothPixmapTransform, m_linear_filtering);

++     painter->drawPixmap(0, 0, m_size.width(), m_size.height(), m_pixmap);

++     painter->setRenderHint(QPainter::SmoothPixmapTransform, before);

++ }

++

++ void QSGSoftwarePainterNode::paint()

++ {

++     QRect dirtyRect = m_dirtyRect.isNull() ? QRect(0, 0, m_size.width(), m_size.height()) : m_dirtyRect;

++

++     QPainter painter;

++

++     painter.begin(&m_pixmap);

++     if (m_smoothPainting) {

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

++     }

++

++     QRect clipRect;

++

++     if (m_contentsScale == 1) {

++         qreal scaleX = m_textureSize.width() / (qreal) m_size.width();

++         qreal scaleY = m_textureSize.height() / (qreal) m_size.height();

++         painter.scale(scaleX, scaleY);

++         clipRect = dirtyRect;

++     } else {

++         painter.scale(m_contentsScale, m_contentsScale);

++

++         QRect sclip(qFloor(dirtyRect.x()/m_contentsScale),

++                     qFloor(dirtyRect.y()/m_contentsScale),

++                     qCeil(dirtyRect.width()/m_contentsScale+dirtyRect.x()/m_contentsScale-qFloor(dirtyRect.x()/m_contentsScale)),

++                     qCeil(dirtyRect.height()/m_contentsScale+dirtyRect.y()/m_contentsScale-qFloor(dirtyRect.y()/m_contentsScale)));

++

++         clipRect = sclip;

++     }

++

++     if (!m_dirtyRect.isNull())

++         painter.setClipRect(clipRect);

++

++     painter.setCompositionMode(QPainter::CompositionMode_Source);

++     painter.fillRect(clipRect, m_fillColor);

++     painter.setCompositionMode(QPainter::CompositionMode_SourceOver);

++

++     m_item->paint(&painter);

++     painter.end();

++

++     m_dirtyRect = QRect();

++ }

++

++

++ void QSGSoftwarePainterNode::setTextureSize(const QSize &size)

++ {

++     if (size == m_textureSize)

++         return;

++

++     m_textureSize = size;

++     m_dirtyGeometry = true;

++ }

++

++ QT_END_NAMESPACE