MdeModulePkg/Include/Library/BmpSupportLib.h

/** @file

Provides services to convert a BMP graphics image to a GOP BLT buffer
and to convert a GOP BLT buffer to a BMP graphics image.

Copyright (c) 2016, Microsoft Corporation
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>

All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
 and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

**/

#ifndef __BMP_SUPPORT_LIB_H__
#define __BMP_SUPPORT_LIB_H__

#include <Protocol/GraphicsOutput.h>

/**
  Translate a *.BMP graphics image to a GOP blt buffer. If a NULL Blt buffer
  is passed in a GopBlt buffer will be allocated by this routine using
  EFI_BOOT_SERVICES.AllocatePool(). If a GopBlt buffer is passed in it will be
  used if it is big enough.

  @param [in]      BmpImage      Pointer to BMP file.
  @param [in]      BmpImageSize  Number of bytes in BmpImage.
  @param [in, out] GopBlt        Buffer containing GOP version of BmpImage.
  @param [in, out] GopBltSize    Size of GopBlt in bytes.
  @param [out]     PixelHeight   Height of GopBlt/BmpImage in pixels.
  @param [out]     PixelWidth    Width of GopBlt/BmpImage in pixels.

  @retval RETURN_SUCCESS            GopBlt and GopBltSize are returned.
  @retval RETURN_INVALID_PARAMETER  BmpImage is NULL.
  @retval RETURN_INVALID_PARAMETER  GopBlt is NULL.
  @retval RETURN_INVALID_PARAMETER  GopBltSize is NULL.
  @retval RETURN_INVALID_PARAMETER  PixelHeight is NULL.
  @retval RETURN_INVALID_PARAMETER  PixelWidth is NULL.
  @retval RETURN_UNSUPPORTED        BmpImage is not a valid *.BMP image.
  @retval RETURN_BUFFER_TOO_SMALL   The passed in GopBlt buffer is not big
                                    enough.  The required size is returned in
                                    GopBltSize.
  @retval RETURN_OUT_OF_RESOURCES   The GopBlt buffer could not be allocated.

**/
RETURN_STATUS
EFIAPI
TranslateBmpToGopBlt (
  IN     VOID                           *BmpImage,
  IN     UINTN                          BmpImageSize,
  IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL  **GopBlt,
  IN OUT UINTN                          *GopBltSize,
  OUT    UINTN                          *PixelHeight,
  OUT    UINTN                          *PixelWidth
  );

/**
  Translate a GOP blt buffer to an uncompressed 24-bit per pixel BMP graphics
  image. If a NULL BmpImage is passed in a BmpImage buffer will be allocated by
  this routine using EFI_BOOT_SERVICES.AllocatePool(). If a BmpImage buffer is
  passed in it will be used if it is big enough.

  @param [in]      GopBlt        Pointer to GOP blt buffer.
  @param [in]      PixelHeight   Height of GopBlt/BmpImage in pixels.
  @param [in]      PixelWidth    Width of GopBlt/BmpImage in pixels.
  @param [in, out] BmpImage      Buffer containing BMP version of GopBlt.
  @param [in, out] BmpImageSize  Size of BmpImage in bytes.

  @retval RETURN_SUCCESS            BmpImage and BmpImageSize are returned.
  @retval RETURN_INVALID_PARAMETER  GopBlt is NULL.
  @retval RETURN_INVALID_PARAMETER  BmpImage is NULL.
  @retval RETURN_INVALID_PARAMETER  BmpImageSize is NULL.
  @retval RETURN_UNSUPPORTED        GopBlt cannot be converted to a *.BMP image.
  @retval RETURN_BUFFER_TOO_SMALL   The passed in BmpImage buffer is not big
                                    enough.  The required size is returned in
                                    BmpImageSize.
  @retval RETURN_OUT_OF_RESOURCES   The BmpImage buffer could not be allocated.

**/
RETURN_STATUS
EFIAPI
TranslateGopBltToBmp (
  IN     EFI_GRAPHICS_OUTPUT_BLT_PIXEL  *GopBlt,
  IN     UINT32                         PixelHeight,
  IN     UINT32                         PixelWidth,
  IN OUT VOID                           **BmpImage,
  IN OUT UINT32                         *BmpImageSize
  );

#endif