#define DALI_TOOLKIT_INTERNAL_GRADIENT_VISUAL_H
/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
*/
+// EXTERNAL INCLUDES
+#include <dali/public-api/common/intrusive-ptr.h>
+
// INTERNAL INCLUDES
-#include <dali-toolkit/internal/visuals/visual-base-impl.h>
#include <dali-toolkit/internal/visuals/gradient/gradient.h>
+#include <dali-toolkit/internal/visuals/visual-base-impl.h>
namespace Dali
{
namespace Toolkit
{
-
namespace Internal
{
-
class Gradient;
+class GradientVisual;
+typedef IntrusivePtr<GradientVisual> GradientVisualPtr;
/**
* The visual which renders smooth transition of colors to the control's quad.
* Valid values for spreadMethod are 'pad', 'repeat' and 'reflect.'
* If not provided, 'objectBoundingBox' is used as default gradient units, and 'pad' is used as default spread method.
*/
-class GradientVisual: public Visual::Base
+class GradientVisual : public Visual::Base
{
public:
-
/**
* Types of the gradient
*/
};
/**
+ * @brief Create a new gradient visual.
+ *
+ * @param[in] factoryCache A pointer pointing to the VisualFactoryCache object
+ * @param[in] properties A Property::Map containing settings for this visual
+ * @return A smart-pointer to the newly allocated visual.
+ */
+ static GradientVisualPtr New(VisualFactoryCache& factoryCache, const Property::Map& properties);
+
+public: // from Visual
+ /**
+ * @copydoc Visual::Base::CreatePropertyMap
+ */
+ void DoCreatePropertyMap(Property::Map& map) const override;
+
+ /**
+ * @copydoc Visual::Base::CreateInstancePropertyMap
+ */
+ void DoCreateInstancePropertyMap(Property::Map& map) const override;
+
+ /**
+ * @copydoc Visual::Base::EnablePreMultipliedAlpha
+ */
+ void EnablePreMultipliedAlpha(bool preMultiplied) override;
+
+protected:
+ /**
* @brief Constructor.
*
* @param[in] factoryCache A pointer pointing to the VisualFactoryCache object
*/
- GradientVisual( VisualFactoryCache& factoryCache );
+ GradientVisual(VisualFactoryCache& factoryCache);
/**
* @brief A reference counted object may only be deleted by calling Unreference().
*/
- ~GradientVisual();
-
-public: // from Visual
+ virtual ~GradientVisual();
/**
- * @copydoc Visual::Base::SetSize
+ * @copydoc Visual::Base::OnInitialize
*/
- virtual void SetSize( const Vector2& size );
+ void OnInitialize() override;
/**
- * @copydoc Visual::Base::CreatePropertyMap
+ * @copydoc Visual::Base::DoSetProperties
*/
- virtual void DoCreatePropertyMap( Property::Map& map ) const;
+ void DoSetProperties(const Property::Map& propertyMap) override;
-protected:
/**
- * @copydoc Visual::Base::DoInitialize
+ * @copydoc Visual::Base::OnSetTransform
*/
- virtual void DoInitialize( Actor& actor, const Property::Map& propertyMap );
+ void OnSetTransform() override;
/**
- * @copydoc Visual::Base::DoSetOnStage
+ * @copydoc Visual::Base::DoSetOnScene
*/
- virtual void DoSetOnStage( Actor& actor );
+ void DoSetOnScene(Actor& actor) override;
-private:
+ /**
+ * @copydoc Visual::Base::UpdateShader
+ */
+ void UpdateShader() override;
/**
- * @brief Initialize the renderer with the geometry and shader from the cache, if not available, create and save to the cache for sharing.
+ * @copydoc Visual::Base::GenerateShader
*/
- void InitializeRenderer();
+ Shader GenerateShader() const override;
+private:
/**
* New a gradient object with the given property map.
*
static void GetStopOffsets(const Property::Value* value, Vector<float>& stopOffsets);
// Undefined
- GradientVisual( const GradientVisual& gradientVisual );
+ GradientVisual(const GradientVisual& gradientVisual);
// Undefined
- GradientVisual& operator=( const GradientVisual& gradientVisual );
+ GradientVisual& operator=(const GradientVisual& gradientVisual);
private:
-
- Matrix3 mGradientTransform;
+ Matrix3 mGradientTransform;
IntrusivePtr<Gradient> mGradient;
- Type mGradientType;
+ Type mGradientType;
+ bool mIsOpaque; ///< Set to false if any of the stop colors are not opaque
};
} // namespace Internal