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201 lines
8.3 KiB
C
201 lines
8.3 KiB
C
/** @file
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This protocol provides generic image decoder interfaces to various image formats.
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(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
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Copyright (c) 2016-2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This Protocol was introduced in UEFI Specification 2.6.
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**/
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#ifndef __HII_IMAGE_DECODER_H__
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#define __HII_IMAGE_DECODER_H__
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#include <Protocol/HiiImage.h>
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#define EFI_HII_IMAGE_DECODER_PROTOCOL_GUID \
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{0x9e66f251, 0x727c, 0x418c, { 0xbf, 0xd6, 0xc2, 0xb4, 0x25, 0x28, 0x18, 0xea }}
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#define EFI_HII_IMAGE_DECODER_NAME_JPEG_GUID \
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{0xefefd093, 0xd9b, 0x46eb, { 0xa8, 0x56, 0x48, 0x35, 0x7, 0x0, 0xc9, 0x8 }}
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#define EFI_HII_IMAGE_DECODER_NAME_PNG_GUID \
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{0xaf060190, 0x5e3a, 0x4025, { 0xaf, 0xbd, 0xe1, 0xf9, 0x5, 0xbf, 0xaa, 0x4c }}
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typedef struct _EFI_HII_IMAGE_DECODER_PROTOCOL EFI_HII_IMAGE_DECODER_PROTOCOL;
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typedef enum {
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EFI_HII_IMAGE_DECODER_COLOR_TYPE_RGB = 0x0,
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EFI_HII_IMAGE_DECODER_COLOR_TYPE_RGBA = 0x1,
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EFI_HII_IMAGE_DECODER_COLOR_TYPE_CMYK = 0x2,
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EFI_HII_IMAGE_DECODER_COLOR_TYPE_UNKNOWN = 0xFF
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} EFI_HII_IMAGE_DECODER_COLOR_TYPE;
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//
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// EFI_HII_IMAGE_DECODER_IMAGE_INFO_HEADER
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//
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// DecoderName Name of the decoder
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// ImageInfoSize The size of entire image information structure in bytes
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// ImageWidth The image width
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// ImageHeight The image height
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// ColorType The color type, see EFI_HII_IMAGE_DECODER_COLOR_TYPE.
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// ColorDepthInBits The color depth in bits
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//
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typedef struct _EFI_HII_IMAGE_DECODER_IMAGE_INFO_HEADER {
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EFI_GUID DecoderName;
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UINT16 ImageInfoSize;
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UINT16 ImageWidth;
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UINT16 ImageHeight;
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EFI_HII_IMAGE_DECODER_COLOR_TYPE ColorType;
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UINT8 ColorDepthInBits;
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} EFI_HII_IMAGE_DECODER_IMAGE_INFO_HEADER;
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#define EFI_IMAGE_JPEG_SCANTYPE_PROGREESSIVE 0x01
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#define EFI_IMAGE_JPEG_SCANTYPE_INTERLACED 0x02
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//
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// EFI_HII_IMAGE_DECODER_JPEG_INFO
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// Header The common header
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// ScanType The scan type of JPEG image
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// Reserved Reserved
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//
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typedef struct _EFI_HII_IMAGE_DECODER_JPEG_INFO {
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EFI_HII_IMAGE_DECODER_IMAGE_INFO_HEADER Header;
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UINT16 ScanType;
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UINT64 Reserved;
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} EFI_HII_IMAGE_DECODER_JPEG_INFO;
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//
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// EFI_HII_IMAGE_DECODER_PNG_INFO
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// Header The common header
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// Channels Number of channels in the PNG image
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// Reserved Reserved
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//
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typedef struct _EFI_HII_IMAGE_DECODER_PNG_INFO {
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EFI_HII_IMAGE_DECODER_IMAGE_INFO_HEADER Header;
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UINT16 Channels;
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UINT64 Reserved;
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} EFI_HII_IMAGE_DECODER_PNG_INFO;
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//
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// EFI_HII_IMAGE_DECODER_OTHER_INFO
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//
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typedef struct _EFI_HII_IMAGE_DECODER_OTHER_INFO {
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EFI_HII_IMAGE_DECODER_IMAGE_INFO_HEADER Header;
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CHAR16 ImageExtenion[1];
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//
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// Variable length of image file extension name.
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//
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} EFI_HII_IMAGE_DECODER_OTHER_INFO;
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/**
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There could be more than one EFI_HII_IMAGE_DECODER_PROTOCOL instances installed
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in the system for different image formats. This function returns the decoder
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name which callers can use to find the proper image decoder for the image. It
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is possible to support multiple image formats in one EFI_HII_IMAGE_DECODER_PROTOCOL.
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The capability of the supported image formats is returned in DecoderName and
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NumberOfDecoderName.
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@param This EFI_HII_IMAGE_DECODER_PROTOCOL instance.
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@param DecoderName Pointer to a dimension to retrieve the decoder
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names in EFI_GUID format. The number of the
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decoder names is returned in NumberOfDecoderName.
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@param NumberofDecoderName Pointer to retrieve the number of decoders which
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supported by this decoder driver.
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@retval EFI_SUCCESS Get decoder name success.
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@retval EFI_UNSUPPORTED Get decoder name fail.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_IMAGE_DECODER_GET_NAME)(
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IN EFI_HII_IMAGE_DECODER_PROTOCOL *This,
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IN OUT EFI_GUID **DecoderName,
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IN OUT UINT16 *NumberOfDecoderName
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);
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/**
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This function returns the image information of the given image raw data. This
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function first checks whether the image raw data is supported by this decoder
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or not. This function may go through the first few bytes in the image raw data
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for the specific data structure or the image signature. If the image is not supported
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by this image decoder, this function returns EFI_UNSUPPORTED to the caller.
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Otherwise, this function returns the proper image information to the caller.
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It is the caller?s responsibility to free the ImageInfo.
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@param This EFI_HII_IMAGE_DECODER_PROTOCOL instance.
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@param Image Pointer to the image raw data.
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@param SizeOfImage Size of the entire image raw data.
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@param ImageInfo Pointer to receive EFI_HII_IMAGE_DECODER_IMAGE_INFO_HEADER.
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@retval EFI_SUCCESS Get image info success.
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@retval EFI_UNSUPPORTED Unsupported format of image.
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@retval EFI_INVALID_PARAMETER Incorrect parameter.
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@retval EFI_BAD_BUFFER_SIZE Not enough memory.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_IMAGE_DECODER_GET_IMAGE_INFO)(
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IN EFI_HII_IMAGE_DECODER_PROTOCOL *This,
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IN VOID *Image,
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IN UINTN SizeOfImage,
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IN OUT EFI_HII_IMAGE_DECODER_IMAGE_INFO_HEADER **ImageInfo
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);
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/**
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This function decodes the image which the image type of this image is supported
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by this EFI_HII_IMAGE_DECODER_PROTOCOL. If **Bitmap is not NULL, the caller intends
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to put the image in the given image buffer. That allows the caller to put an
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image overlap on the original image. The transparency is handled by the image
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decoder because the transparency capability depends on the image format. Callers
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can set Transparent to FALSE to force disabling the transparency process on the
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image. Forcing Transparent to FALSE may also improve the performance of the image
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decoding because the image decoder can skip the transparency processing. If **Bitmap
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is NULL, the image decoder allocates the memory buffer for the EFI_IMAGE_OUTPUT
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and decodes the image to the image buffer. It is the caller?s responsibility to
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free the memory for EFI_IMAGE_OUTPUT. Image decoder doesn?t have to handle the
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transparency in this case because there is no background image given by the caller.
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The background color in this case is all black (#00000000).
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@param This EFI_HII_IMAGE_DECODER_PROTOCOL instance.
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@param Image Pointer to the image raw data.
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@param ImageRawDataSize Size of the entire image raw data.
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@param Blt EFI_IMAGE_OUTPUT to receive the image or overlap
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the image on the original buffer.
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@param Transparent BOOLEAN value indicates whether the image decoder
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has to handle the transparent image or not.
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@retval EFI_SUCCESS Image decode success.
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@retval EFI_UNSUPPORTED Unsupported format of image.
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@retval EFI_INVALID_PARAMETER Incorrect parameter.
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@retval EFI_BAD_BUFFER_SIZE Not enough memory.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_IMAGE_DECODER_DECODE)(
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IN EFI_HII_IMAGE_DECODER_PROTOCOL *This,
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IN VOID *Image,
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IN UINTN ImageRawDataSize,
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IN OUT EFI_IMAGE_OUTPUT **Bitmap,
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IN BOOLEAN Transparent
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);
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struct _EFI_HII_IMAGE_DECODER_PROTOCOL {
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EFI_HII_IMAGE_DECODER_GET_NAME GetImageDecoderName;
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EFI_HII_IMAGE_DECODER_GET_IMAGE_INFO GetImageInfo;
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EFI_HII_IMAGE_DECODER_DECODE DecodeImage;
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};
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extern EFI_GUID gEfiHiiImageDecoderProtocolGuid;
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extern EFI_GUID gEfiHiiImageDecoderNameJpegGuid;
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extern EFI_GUID gEfiHiiImageDecoderNamePngGuid;
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#endif
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