MdeModulePkg: Add ImageDecoderLib to provide image decoding service.

The library itself doesn't provide any image decoding capabilities but
manages the different image decoders.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18770 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Include/Library/ImageDecoderLib.h

@@ -0,0 +1,76 @@
+/** @file
+  This library provides image decoding service by managing the different
+  image decoding libraries.
+
+Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#ifndef __IMAGE_DECODER_LIB_H__
+#define __IMAGE_DECODER_LIB_H__
+#include <Protocol/PlatformLogo.h>
+
+typedef
+EFI_STATUS
+(EFIAPI *DECODE_IMAGE)(
+  IN  IMAGE_FORMAT                  ImageFormat,
+  IN  UINT8                         *Image,
+  IN  UINTN                         ImageSize,
+  OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL **GopBlt,
+  OUT UINTN                         *GopBltSize,
+  OUT UINTN                         *PixelWidth,
+  OUT UINTN                         *PixelHeight
+  );
+
+/**
+  Convert a graphics image to a callee allocated GOP blt buffer.
+
+  @param  ImageFormat   Format of the image file.
+  @param  Image         Pointer to image file.
+  @param  ImageSize     Number of bytes in Image.
+  @param  GopBlt        Buffer containing GOP version of Image.
+  @param  GopBltSize    Size of GopBlt in bytes.
+  @param  PixelWidth    Width of GopBlt/Image in pixels.
+  @param  PixelHeight   Height of GopBlt/Image in pixels.
+
+  @retval EFI_SUCCESS           GopBlt and GopBltSize are returned.
+  @retval EFI_INVALID_PARAMETER GopBlt or GopBltSize is NULL.
+  @retval EFI_INVALID_PARAMETER Image is NULL or ImageSize is 0.
+  @retval EFI_UNSUPPORTED       Image is not supported.
+  @retval EFI_OUT_OF_RESOURCES  No enough buffer to allocate.
+
+**/
+EFI_STATUS
+EFIAPI
+DecodeImage (
+  IN  IMAGE_FORMAT                  ImageFormat,
+  IN  UINT8                         *Image,
+  IN  UINTN                         ImageSize,
+  OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL **GopBlt,
+  OUT UINTN                         *GopBltSize,
+  OUT UINTN                         *PixelWidth,
+  OUT UINTN                         *PixelHeight
+  );
+
+/**
+  Register an image decoder.
+
+  @param Decoder  An image decoder.
+
+  @retval EFI_SUCCESS          The decoder was successfully registered.
+  @retval EFI_OUT_OF_RESOURCES No enough resource to register the decoder.
+
+**/
+EFI_STATUS
+EFIAPI
+RegisterImageDecoder (
+  IN  DECODE_IMAGE     Decoder
+  );
+
+#endif