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// 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