6103ce19e8
- Avoid fullscreen shading every pixel
- Evaluate each BlobRect: localized quad, only nearby rects, instead of all 8 rects
- O(1-3) per pixel for most passes, rather than O(N²) with N=8(~72 iterations).
- Closed panels excluded entirely from loop.
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
#pragma once
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#include "blobshape.hpp"
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#include <qqmlengine.h>
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class BlobInvertedRect : public BlobShape {
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Q_OBJECT
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QML_ELEMENT
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Q_PROPERTY(qreal borderLeft READ borderLeft WRITE setBorderLeft NOTIFY
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borderLeftChanged)
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Q_PROPERTY(qreal borderRight READ borderRight WRITE setBorderRight NOTIFY
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borderRightChanged)
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Q_PROPERTY(qreal borderTop READ borderTop WRITE setBorderTop NOTIFY
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borderTopChanged)
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Q_PROPERTY(qreal borderBottom READ borderBottom WRITE setBorderBottom NOTIFY
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borderBottomChanged)
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public:
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explicit BlobInvertedRect(QQuickItem* parent = nullptr);
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~BlobInvertedRect() override;
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qreal borderLeft() const { return m_borderLeft; }
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void setBorderLeft(qreal v);
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qreal borderRight() const { return m_borderRight; }
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void setBorderRight(qreal v);
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qreal borderTop() const { return m_borderTop; }
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void setBorderTop(qreal v);
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qreal borderBottom() const { return m_borderBottom; }
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void setBorderBottom(qreal v);
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signals:
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void borderLeftChanged();
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void borderRightChanged();
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void borderTopChanged();
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void borderBottomChanged();
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protected:
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bool isInvertedRect() const override { return true; }
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QSGNode* updatePaintNode(QSGNode* oldNode, UpdatePaintNodeData*) override;
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void registerWithGroup() override;
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void unregisterFromGroup() override;
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private:
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qreal m_borderLeft = 0;
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qreal m_borderRight = 0;
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qreal m_borderTop = 0;
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qreal m_borderBottom = 0;
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};
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