Differential D27984 Diff 77539 src/scenegraph/shadowedrectanglematerial.h

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		1		/*
		2		* SPDX-FileCopyrightText: 2020 Arjen Hiemstra <ahiemstra@heimr.nl>
		3		*
		4		* SPDX-License-Identifier: LGPL-2.0-or-later
		5		*/
		6
		7		#pragma once
		8
		9		#include <QSGMaterial>
		10		#include <QSGMaterialShader>
		11
		12		/**
		13		* A material rendering a rectangle with a shadow.
		14		*
		15		* This material uses a distance field shader to render a rectangle with a
		16		* shadow below it, optionally with rounded corners.
		17		*/
		18		class ShadowedRectangleMaterial : public QSGMaterial
		19		{
		20		public:
		21		ShadowedRectangleMaterial();
		22
		23		QSGMaterialShader* createShader() const override;
		24		QSGMaterialType* type() const override;
		25		int compare(const QSGMaterial* other) const override;
		26
		27		QVector2D aspect = QVector2D{1.0, 1.0};
		28		float size = 0.0;
		29		float radius = 0.0;
		30		QColor color = Qt::white;
		31		QColor shadowColor = Qt::black;
		32		QVector2D offset;
		33
		34		static QSGMaterialType staticType;
		35		};
		36
		37		class ShadowedRectangleShader : public QSGMaterialShader
		38		{
		39		public:
		40		ShadowedRectangleShader();
		41
		42		char const const attributeNames() const override;
		43
		44		void initialize() override;
		45		void updateState(const QSGMaterialShader::RenderState &state, QSGMaterial newMaterial, QSGMaterial oldMaterial) override;
		46
		47		private:
		48		int m_matrixLocation = -1;
		49		int m_opacityLocation = -1;
		50		int m_aspectLocation = -1;
		51		int m_sizeLocation = -1;
		52		int m_radiusLocation = -1;
		53		int m_colorLocation = -1;
		54		int m_shadowColorLocation = -1;
		55		int m_offsetLocation = -1;
		56		};