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Add code path FastStretch, which resizes without re-rendering

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This commit is contained in:
David Edmundson 2014-07-16 22:51:29 +02:00
parent be05a8394a
commit 1924877140
1 changed files with 17 additions and 11 deletions
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28
src/declarativeimports/core/framesvgitem.cpp
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@ -39,6 +39,9 @@ class FrameItemNode : public SVGTextureNode
{
public:
enum FitMode {
//render SVG at native resolution then stretch it in openGL
FastStretch,
//on resize re-render the part of the frame from the SVG
Stretch,
Tile
};
@ -53,10 +56,6 @@ public:
m_lastParent->appendChildNode(this);
if (m_fitMode == Tile) {
QString elementId = m_frameSvg->actualPrefix() + FrameSvgPrivate::borderToElementId(m_border);
m_elementNativeSize = m_frameSvg->frameSvg()->elementSize(elementId);
updateTexture(m_elementNativeSize, elementId);
if (m_border == FrameSvg::TopBorder || m_border == FrameSvg::BottomBorder || m_border == FrameSvg::NoBorder) {
static_cast<QSGTextureMaterial*>(material())->setHorizontalWrapMode(QSGTexture::Repeat);
static_cast<QSGOpaqueTextureMaterial*>(opaqueMaterial())->setHorizontalWrapMode(QSGTexture::Repeat);
@ -66,6 +65,13 @@ public:
static_cast<QSGOpaqueTextureMaterial*>(opaqueMaterial())->setVerticalWrapMode(QSGTexture::Repeat);
}
}
if (m_fitMode == Tile || m_fitMode == FastStretch) {
QString elementId = m_frameSvg->actualPrefix() + FrameSvgPrivate::borderToElementId(m_border);
m_elementNativeSize = m_frameSvg->frameSvg()->elementSize(elementId);
updateTexture(m_elementNativeSize, elementId);
}
}
void updateTexture(const QSize &size, const QString &elementId)
@ -88,11 +94,11 @@ public:
if (m_border == FrameSvg::LeftBorder || m_border == FrameSvg::RightBorder || m_border == FrameSvg::NoBorder) {
textureRect.setHeight(nodeRect.height() / m_elementNativeSize.height());
}
} else {
//stretched, we need to re-load the SVG at a different res
} else if (m_fitMode == Stretch) {
//re-render the SVG at new size
QString elementId = m_frameSvg->actualPrefix() + FrameSvgPrivate::borderToElementId(m_border);
updateTexture(nodeRect.size(), elementId);
}
} // for fast stretch, we don't have to do anything
QSGGeometry::updateTexturedRectGeometry(geometry(), nodeRect, textureRect);
markDirty(QSGNode::DirtyGeometry);
@ -377,12 +383,12 @@ QSGNode *FrameSvgItem::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaint
FrameItemNode::FitMode centerFitMode = frame->tileCenter ? FrameItemNode::Tile: FrameItemNode::Stretch;
new FrameItemNode(this, FrameSvg::NoBorder, centerFitMode, oldNode); //needs to be de first, in case of composeOverBorder
new FrameItemNode(this, FrameSvg::TopBorder | FrameSvg::LeftBorder, FrameItemNode::Tile, oldNode);
new FrameItemNode(this, FrameSvg::TopBorder | FrameSvg::RightBorder, FrameItemNode::Tile, oldNode);
new FrameItemNode(this, FrameSvg::TopBorder | FrameSvg::LeftBorder, FrameItemNode::FastStretch, oldNode);
new FrameItemNode(this, FrameSvg::TopBorder | FrameSvg::RightBorder, FrameItemNode::FastStretch, oldNode);
new FrameItemNode(this, FrameSvg::TopBorder, borderFitMode, oldNode);
new FrameItemNode(this, FrameSvg::BottomBorder, borderFitMode, oldNode);
new FrameItemNode(this, FrameSvg::BottomBorder | FrameSvg::LeftBorder, FrameItemNode::Tile, oldNode);
new FrameItemNode(this, FrameSvg::BottomBorder | FrameSvg::RightBorder, FrameItemNode::Tile, oldNode);
new FrameItemNode(this, FrameSvg::BottomBorder | FrameSvg::LeftBorder, FrameItemNode::FastStretch, oldNode);
new FrameItemNode(this, FrameSvg::BottomBorder | FrameSvg::RightBorder, FrameItemNode::FastStretch, oldNode);
new FrameItemNode(this, FrameSvg::LeftBorder, borderFitMode, oldNode);
new FrameItemNode(this, FrameSvg::RightBorder, borderFitMode, oldNode);