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o3de/Code/Legacy/CryCommon/LyShine/Bus/UiIndexableImageBus.h

46 lines
1.5 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/Component/ComponentBus.h>
////////////////////////////////////////////////////////////////////////////////////////////////////
//! Defines an interface for working with indexable image types, such as sprite-sheets or image sequences.
class UiIndexableImageInterface
: public AZ::ComponentBus
{
public: // member functions
virtual ~UiIndexableImageInterface() {}
//! Sets the index of the image to display
virtual void SetImageIndex(AZ::u32 index) = 0;
//! Gets the index of the image to display
virtual const AZ::u32 GetImageIndex() = 0;
//! Gets the number of indices for this image.
virtual const AZ::u32 GetImageIndexCount() = 0;
//! Given an index, return its alias (if defined)
virtual AZStd::string GetImageIndexAlias(AZ::u32 index) = 0;
//! Given an index, set an alias for it
virtual void SetImageIndexAlias(AZ::u32 index, const AZStd::string& alias) = 0;
//! Given an alias, return the index that corresponds to it
virtual AZ::u32 GetImageIndexFromAlias(const AZStd::string& alias) = 0;
public: // static member data
//! Only one component on a entity can implement the events
static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
};
typedef AZ::EBus<UiIndexableImageInterface> UiIndexableImageBus;