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136 lines
3.2 KiB
C++
136 lines
3.2 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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IImageWrapper.h: Declares the IImageWrapper interface.
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=============================================================================*/
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#pragma once
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namespace EImageFormat
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{
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/**
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* Enumerates the types of image formats this class can handle
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*/
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enum Type
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{
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PNG, // Portable Network Graphics
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JPEG, // Joint Photographic Experts Group
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BMP, // Windows Bitmap
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ICO, // Windows Icon resource
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};
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};
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namespace ERGBFormat
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{
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/**
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* Enumerates the types of RGB formats this class can handle
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*/
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enum Type
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{
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Invalid = -1,
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RGBA = 0,
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BGRA = 1,
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Gray = 2,
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};
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};
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/**
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* Type definition for shared pointers to instances of IImageWrapper.
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*/
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typedef TSharedPtr<class IImageWrapper> IImageWrapperPtr;
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/**
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* Type definition for shared references to instances of IImageWrapper.
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*/
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typedef TSharedRef<class IImageWrapper> IImageWrapperRef;
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/**
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* Interface for image wrappers.
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*/
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class IImageWrapper
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{
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public:
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/**
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* Sets the compressed data.
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*
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* @param InCompressedData - The memory address of the start of the compressed data
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* @param InCompressedSize - The size of the compressed data parsed
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*
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* @return true if data was the expected format
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*/
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virtual bool SetCompressed( const void* InCompressedData, int32 InCompressedSize ) = 0;
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/**
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* Sets the compressed data.
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*
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* @param InRawData - The memory address of the start of the raw data
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* @param InRawSize - The size of the compressed data parsed
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* @param InWidth - The width of the image data
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* @param InHeight - the height of the image data
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* @param InFormat - the format the raw data is in, normally RGBA
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* @param InBitDepth - the bit-depth per channel, normally 8
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*
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* @return true if data was the expected format
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*/
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virtual bool SetRaw( const void* InRawData, int32 InRawSize, const int32 InWidth, const int32 InHeight, const ERGBFormat::Type InFormat, const int32 InBitDepth ) = 0;
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/**
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* Gets the compressed data.
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*
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* @return Array of the compressed data
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*/
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virtual const TArray<uint8>& GetCompressed(int32 Quality = 0) = 0;
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/**
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* Gets the raw data.
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*
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* @param InFormat - How we want to manipulate the RGB data
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* @param InBitDepth - The output bit-depth per channel, normally 8
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* @param OutRawData - Pointer to the uncompressed raw data.
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*
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* @return Array of the raw data
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*/
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virtual bool GetRaw( const ERGBFormat::Type InFormat, int32 InBitDepth, const TArray<uint8>*& OutRawData ) = 0;
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/**
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* Gets the width of the image.
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*
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* @return Image width.
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*/
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virtual int32 GetWidth() const = 0;
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/**
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* Gets the height of the image.
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*
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* @return Image height.
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*/
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virtual int32 GetHeight() const = 0;
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/**
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* Gets the bit depth of the image
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*
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* @return The bit depth per-channel of the image
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*/
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virtual int32 GetBitDepth() const = 0;
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/**
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* Gets the format of the image.
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* Theoretically, this is the format it would be best to call GetRaw() with, if you support it.
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*
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* @return The format the image data is in
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*/
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virtual ERGBFormat::Type GetFormat() const = 0;
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public:
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/**
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* Virtual destructor.
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*/
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virtual ~IImageWrapper( ) { }
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};
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