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90 lines
3.7 KiB
C
90 lines
3.7 KiB
C
/** @file
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Provides services to convert a BMP graphics image to a GOP BLT buffer
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and to convert a GOP BLT buffer to a BMP graphics image.
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Copyright (c) 2016, Microsoft Corporation
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Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
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All rights reserved.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __BMP_SUPPORT_LIB_H__
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#define __BMP_SUPPORT_LIB_H__
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#include <Protocol/GraphicsOutput.h>
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/**
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Translate a *.BMP graphics image to a GOP blt buffer. If a NULL Blt buffer
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is passed in a GopBlt buffer will be allocated by this routine using
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EFI_BOOT_SERVICES.AllocatePool(). If a GopBlt buffer is passed in it will be
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used if it is big enough.
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@param [in] BmpImage Pointer to BMP file.
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@param [in] BmpImageSize Number of bytes in BmpImage.
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@param [in, out] GopBlt Buffer containing GOP version of BmpImage.
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@param [in, out] GopBltSize Size of GopBlt in bytes.
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@param [out] PixelHeight Height of GopBlt/BmpImage in pixels.
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@param [out] PixelWidth Width of GopBlt/BmpImage in pixels.
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@retval RETURN_SUCCESS GopBlt and GopBltSize are returned.
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@retval RETURN_INVALID_PARAMETER BmpImage is NULL.
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@retval RETURN_INVALID_PARAMETER GopBlt is NULL.
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@retval RETURN_INVALID_PARAMETER GopBltSize is NULL.
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@retval RETURN_INVALID_PARAMETER PixelHeight is NULL.
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@retval RETURN_INVALID_PARAMETER PixelWidth is NULL.
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@retval RETURN_UNSUPPORTED BmpImage is not a valid *.BMP image.
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@retval RETURN_BUFFER_TOO_SMALL The passed in GopBlt buffer is not big
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enough. The required size is returned in
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GopBltSize.
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@retval RETURN_OUT_OF_RESOURCES The GopBlt buffer could not be allocated.
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**/
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RETURN_STATUS
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EFIAPI
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TranslateBmpToGopBlt (
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IN VOID *BmpImage,
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IN UINTN BmpImageSize,
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IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL **GopBlt,
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IN OUT UINTN *GopBltSize,
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OUT UINTN *PixelHeight,
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OUT UINTN *PixelWidth
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);
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/**
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Translate a GOP blt buffer to an uncompressed 24-bit per pixel BMP graphics
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image. If a NULL BmpImage is passed in a BmpImage buffer will be allocated by
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this routine using EFI_BOOT_SERVICES.AllocatePool(). If a BmpImage buffer is
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passed in it will be used if it is big enough.
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@param [in] GopBlt Pointer to GOP blt buffer.
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@param [in] PixelHeight Height of GopBlt/BmpImage in pixels.
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@param [in] PixelWidth Width of GopBlt/BmpImage in pixels.
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@param [in, out] BmpImage Buffer containing BMP version of GopBlt.
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@param [in, out] BmpImageSize Size of BmpImage in bytes.
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@retval RETURN_SUCCESS BmpImage and BmpImageSize are returned.
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@retval RETURN_INVALID_PARAMETER GopBlt is NULL.
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@retval RETURN_INVALID_PARAMETER BmpImage is NULL.
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@retval RETURN_INVALID_PARAMETER BmpImageSize is NULL.
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@retval RETURN_UNSUPPORTED GopBlt cannot be converted to a *.BMP image.
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@retval RETURN_BUFFER_TOO_SMALL The passed in BmpImage buffer is not big
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enough. The required size is returned in
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BmpImageSize.
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@retval RETURN_OUT_OF_RESOURCES The BmpImage buffer could not be allocated.
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**/
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RETURN_STATUS
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EFIAPI
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TranslateGopBltToBmp (
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *GopBlt,
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IN UINT32 PixelHeight,
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IN UINT32 PixelWidth,
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IN OUT VOID **BmpImage,
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IN OUT UINT32 *BmpImageSize
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);
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#endif
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