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profile: port picture code to qt-quick

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This was very painful, because I had to implement rearranging the
paint order of the QSGNodes. The resulting code appears quite
brittle. Let's see where that brings us.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2023-08-12 22:59:56 +02:00
parent d0c26f42d7
commit ebf9ce6d86
22 changed files with 979 additions and 592 deletions
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66
qt-quick/chartitem_private.h Normal file
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// SPDX-License-Identifier: GPL-2.0
// Private template implementation for ChartItem child classes
#ifndef CHARTITEM_PRIVATE_H
#define CHARTITEM_PRIVATE_H
#include "chartitem.h"
#include "chartview.h"
template <typename Node>
template<class... Args>
void HideableChartItem<Node>::createNode(Args&&... args)
{
node.reset(new Node(visible, std::forward<Args>(args)...));
visibleChanged = false;
}
template <typename Node>
void HideableChartItem<Node>::addNodeToView()
{
view.addQSGNode(node.get(), zValue, moveMode == MoveMode::after, moveNode);
moveNode = nullptr;
moveMode = MoveMode::none;
}
template <typename Node>
HideableChartItem<Node>::HideableChartItem(ChartView &v, size_t z, bool dragable) : ChartItem(v, z, dragable),
visible(true), visibleChanged(false), moveMode(MoveMode::none), moveNode(nullptr)
{
}
template <typename Node>
void HideableChartItem<Node>::updateVisible()
{
if (visibleChanged)
node->setVisible(visible);
visibleChanged = false;
}
template <typename Node>
void HideableChartItem<Node>::doRearrange()
{
if (!node)
return;
switch (moveMode) {
default:
case MoveMode::none:
return;
case MoveMode::before:
if (moveNode)
view.moveNodeBefore(node.get(), zValue, moveNode);
else
view.moveNodeBack(node.get(), zValue);
break;
case MoveMode::after:
if (moveNode)
view.moveNodeAfter(node.get(), zValue, moveNode);
else
view.moveNodeFront(node.get(), zValue);
break;
}
moveNode = nullptr;
moveMode = MoveMode::none;
}
#endif