Force repainting a texture if the theme changes

This commit is contained in:
David Edmundson 2014-02-21 15:05:48 +01:00
parent 1eb0deb0df
commit 9e5727d15c
2 changed files with 12 additions and 3 deletions

View File

@ -46,7 +46,8 @@ void SVGTextureNode::setTexture(QSGTexture *texture) {
SvgItem::SvgItem(QQuickItem *parent)
: QQuickItem(parent),
m_smooth(false)
m_smooth(false),
m_textureChanged(false)
{
setFlag(QQuickItem::ItemHasContents, true);
}
@ -72,6 +73,8 @@ void SvgItem::setElementId(const QString &elementID)
m_elementID = elementID;
emit elementIdChanged();
emit naturalSizeChanged();
m_textureChanged = true;
update();
}
@ -111,6 +114,8 @@ void SvgItem::setSvg(Plasma::Svg *svg)
setImplicitHeight(naturalSize().height());
}
m_textureChanged = true;
emit svgChanged();
emit naturalSizeChanged();
}
@ -138,25 +143,28 @@ QSGNode *SvgItem::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *updateP
{
if (!window() || !m_svg) {
delete oldNode;
return 0;
return Q_NULLPTR;
}
SVGTextureNode *textureNode = static_cast<SVGTextureNode *>(oldNode);
if (!textureNode) {
textureNode = new SVGTextureNode;
m_textureChanged = true;
}
//TODO use a heuristic to work out when to redraw
//if !m_smooth and size is approximate simply change the textureNode.rect without
//updating the material
if (!textureNode->texture() || textureNode->texture()->textureSize() != QSize(width(), height())) {
if (m_textureChanged || textureNode->texture()->textureSize() != QSize(width(), height())) {
m_svg.data()->resize(width(), height());
m_svg.data()->setContainsMultipleImages(!m_elementID.isEmpty());
const QImage image = m_svg.data()->image(m_elementID);
QSGTexture *texture = window()->createTextureFromImage(image);
textureNode->setTexture(texture);
m_textureChanged = false;
textureNode->setRect(0, 0, width(), height());
}

View File

@ -105,6 +105,7 @@ private:
QWeakPointer<Plasma::Svg> m_svg;
QString m_elementID;
bool m_smooth;
bool m_textureChanged;
};
}