qskinny/examples/iotdashboard/kirigami/scenegraph/shadowedrectanglenode.h
2021-06-04 11:55:10 +02:00

80 lines
2.3 KiB
C++

/*
* SPDX-FileCopyrightText: 2020 Arjen Hiemstra <ahiemstra@heimr.nl>
*
* SPDX-License-Identifier: LGPL-2.0-or-later
*/
#pragma once
#include <QSGGeometryNode>
#include <QColor>
#include <QVector2D>
#include <QVector4D>
#include "shadowedrectanglematerial.h"
struct QSGMaterialType;
class ShadowedBorderRectangleMaterial;
/**
* Scene graph node for a shadowed rectangle.
*
* This node will set up the geometry and materials for a shadowed rectangle,
* optionally with rounded corners.
*
* \note You must call updateGeometry() after setting properties of this node,
* otherwise the node's state will not correctly reflect all the properties.
*
* \sa ShadowedRectangle
*/
class ShadowedRectangleNode : public QSGGeometryNode
{
public:
ShadowedRectangleNode();
/**
* Set whether to draw a border.
*
* Note that this will switch between a material with or without border.
* This means this needs to be called before any other setters.
*/
void setBorderEnabled(bool enabled);
void setRect(const QRectF &rect);
void setSize(qreal size);
void setRadius(const QVector4D &radius);
void setColor(const QColor &color);
void setShadowColor(const QColor &color);
void setOffset(const QVector2D &offset);
void setBorderWidth(qreal width);
void setBorderColor(const QColor &color);
void setShaderType(ShadowedRectangleMaterial::ShaderType type);
/**
* Update the geometry for this node.
*
* This is done as an explicit step to avoid the geometry being recreated
* multiple times while updating properties.
*/
void updateGeometry();
protected:
virtual ShadowedRectangleMaterial *createBorderlessMaterial();
virtual ShadowedBorderRectangleMaterial *createBorderMaterial();
virtual QSGMaterialType* borderMaterialType();
virtual QSGMaterialType* borderlessMaterialType();
QSGGeometry *m_geometry;
ShadowedRectangleMaterial *m_material = nullptr;
ShadowedRectangleMaterial::ShaderType m_shaderType = ShadowedRectangleMaterial::ShaderType::Standard;
private:
QRectF m_rect;
qreal m_size = 0.0;
QVector4D m_radius = QVector4D{0.0, 0.0, 0.0, 0.0};
QVector2D m_offset = QVector2D{0.0, 0.0};
QVector2D m_aspect = QVector2D{1.0, 1.0};
qreal m_borderWidth = 0.0;
QColor m_borderColor;
};