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354 lines
12 KiB
C
354 lines
12 KiB
C
/** @file
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The file provides services to access to images in the images database.
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Copyright (c) 2006 - 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 2.1.
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**/
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#ifndef __HII_IMAGE_H__
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#define __HII_IMAGE_H__
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#include <Protocol/GraphicsOutput.h>
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#define EFI_HII_IMAGE_PROTOCOL_GUID \
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{ 0x31a6406a, 0x6bdf, 0x4e46, { 0xb2, 0xa2, 0xeb, 0xaa, 0x89, 0xc4, 0x9, 0x20 } }
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typedef struct _EFI_HII_IMAGE_PROTOCOL EFI_HII_IMAGE_PROTOCOL;
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///
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/// Flags in EFI_IMAGE_INPUT
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///
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#define EFI_IMAGE_TRANSPARENT 0x00000001
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/**
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Definition of EFI_IMAGE_INPUT.
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@param Flags Describe image characteristics. If
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EFI_IMAGE_TRANSPARENT is set, then the image was
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designed for transparent display.
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@param Width Image width, in pixels.
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@param Height Image height, in pixels.
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@param Bitmap A pointer to the actual bitmap, organized left-to-right,
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top-to-bottom. The size of the bitmap is
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Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL).
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**/
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typedef struct _EFI_IMAGE_INPUT {
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UINT32 Flags;
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UINT16 Width;
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UINT16 Height;
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EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Bitmap;
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} EFI_IMAGE_INPUT;
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/**
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This function adds the image Image to the group of images
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owned by PackageList, and returns a new image identifier
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(ImageId).
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@param This A pointer to the EFI_HII_IMAGE_PROTOCOL instance.
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@param PackageList Handle of the package list where this image will be added.
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@param ImageId On return, contains the new image id, which is
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unique within PackageList.
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@param Image Points to the image.
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@retval EFI_SUCCESS The new image was added
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successfully
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@retval EFI_OUT_OF_RESOURCES Could not add the image.
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@retval EFI_INVALID_PARAMETER Image is NULL or ImageId is
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NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_NEW_IMAGE)(
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IN CONST EFI_HII_IMAGE_PROTOCOL *This,
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IN EFI_HII_HANDLE PackageList,
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OUT EFI_IMAGE_ID *ImageId,
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IN CONST EFI_IMAGE_INPUT *Image
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);
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/**
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This function retrieves the image specified by ImageId which
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is associated with the specified PackageList and copies it
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into the buffer specified by Image. If the image specified by
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ImageId is not present in the specified PackageList, then
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EFI_NOT_FOUND is returned. If the buffer specified by
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ImageSize is too small to hold the image, then
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EFI_BUFFER_TOO_SMALL will be returned. ImageSize will be
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updated to the size of buffer actually required to hold the
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image.
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@param This A pointer to the EFI_HII_IMAGE_PROTOCOL instance.
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@param PackageList The package list in the HII database to
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search for the specified image.
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@param ImageId The image's id, which is unique within
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PackageList.
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@param Image Points to the new image.
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@retval EFI_SUCCESS The image was returned successfully.
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@retval EFI_NOT_FOUND The image specified by ImageId is not
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available. Or The specified PackageList is not in the database.
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@retval EFI_INVALID_PARAMETER The Image or Langugae was NULL.
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@retval EFI_OUT_OF_RESOURCES The bitmap could not be retrieved because there was not
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enough memory.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_GET_IMAGE)(
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IN CONST EFI_HII_IMAGE_PROTOCOL *This,
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IN EFI_HII_HANDLE PackageList,
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IN EFI_IMAGE_ID ImageId,
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OUT EFI_IMAGE_INPUT *Image
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);
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/**
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This function updates the image specified by ImageId in the
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specified PackageListHandle to the image specified by Image.
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@param This A pointer to the EFI_HII_IMAGE_PROTOCOL instance.
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@param PackageList The package list containing the images.
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@param ImageId The image id, which is unique within PackageList.
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@param Image Points to the image.
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@retval EFI_SUCCESS The image was successfully updated.
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@retval EFI_NOT_FOUND The image specified by ImageId is not in the database.
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The specified PackageList is not in the database.
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@retval EFI_INVALID_PARAMETER The Image or Language was NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_SET_IMAGE)(
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IN CONST EFI_HII_IMAGE_PROTOCOL *This,
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IN EFI_HII_HANDLE PackageList,
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IN EFI_IMAGE_ID ImageId,
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IN CONST EFI_IMAGE_INPUT *Image
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);
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///
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/// EFI_HII_DRAW_FLAGS describes how the image is to be drawn.
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/// These flags are defined as EFI_HII_DRAW_FLAG_***
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///
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typedef UINT32 EFI_HII_DRAW_FLAGS;
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#define EFI_HII_DRAW_FLAG_CLIP 0x00000001
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#define EFI_HII_DRAW_FLAG_TRANSPARENT 0x00000030
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#define EFI_HII_DRAW_FLAG_DEFAULT 0x00000000
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#define EFI_HII_DRAW_FLAG_FORCE_TRANS 0x00000010
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#define EFI_HII_DRAW_FLAG_FORCE_OPAQUE 0x00000020
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#define EFI_HII_DIRECT_TO_SCREEN 0x00000080
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/**
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Definition of EFI_IMAGE_OUTPUT.
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@param Width Width of the output image.
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@param Height Height of the output image.
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@param Bitmap Points to the output bitmap.
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@param Screen Points to the EFI_GRAPHICS_OUTPUT_PROTOCOL which
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describes the screen on which to draw the
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specified image.
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**/
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typedef struct _EFI_IMAGE_OUTPUT {
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UINT16 Width;
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UINT16 Height;
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union {
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EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Bitmap;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *Screen;
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} Image;
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} EFI_IMAGE_OUTPUT;
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/**
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This function renders an image to a bitmap or the screen using
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the specified color and options. It draws the image on an
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existing bitmap, allocates a new bitmap or uses the screen. The
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images can be clipped. If EFI_HII_DRAW_FLAG_CLIP is set, then
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all pixels drawn outside the bounding box specified by Width and
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Height are ignored. If EFI_HII_DRAW_FLAG_TRANSPARENT is set,
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then all 'off' pixels in the images drawn will use the
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pixel value from Blt. This flag cannot be used if Blt is NULL
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upon entry. If EFI_HII_DIRECT_TO_SCREEN is set, then the image
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will be written directly to the output device specified by
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Screen. Otherwise the image will be rendered to the bitmap
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specified by Bitmap.
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@param This A pointer to the EFI_HII_IMAGE_PROTOCOL instance.
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@param Flags Describes how the image is to be drawn.
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EFI_HII_DRAW_FLAGS is defined in Related
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Definitions, below.
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@param Image Points to the image to be displayed.
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@param Blt If this points to a non-NULL on entry, this points
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to the image, which is Width pixels wide and
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Height pixels high. The image will be drawn onto
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this image and EFI_HII_DRAW_FLAG_CLIP is implied.
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If this points to a NULL on entry, then a buffer
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will be allocated to hold the generated image and
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the pointer updated on exit. It is the caller's
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responsibility to free this buffer.
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@param BltX, BltY Specifies the offset from the left and top
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edge of the image of the first pixel in
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the image.
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@retval EFI_SUCCESS The image was successfully updated.
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@retval EFI_OUT_OF_RESOURCES Unable to allocate an output
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buffer for RowInfoArray or Blt.
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@retval EFI_INVALID_PARAMETER The Image or Blt or Height or
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Width was NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_DRAW_IMAGE)(
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IN CONST EFI_HII_IMAGE_PROTOCOL *This,
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IN EFI_HII_DRAW_FLAGS Flags,
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IN CONST EFI_IMAGE_INPUT *Image,
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IN OUT EFI_IMAGE_OUTPUT **Blt,
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IN UINTN BltX,
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IN UINTN BltY
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);
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/**
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This function renders an image as a bitmap or to the screen and
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can clip the image. The bitmap is either supplied by the caller
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or else is allocated by the function. The images can be drawn
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transparently or opaquely. If EFI_HII_DRAW_FLAG_CLIP is set,
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then all pixels drawn outside the bounding box specified by
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Width and Height are ignored. If EFI_HII_DRAW_FLAG_TRANSPARENT
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is set, then all "off" pixels in the character's glyph will
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use the pixel value from Blt. This flag cannot be used if Blt
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is NULL upon entry. If EFI_HII_DIRECT_TO_SCREEN is set, then
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the image will be written directly to the output device
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specified by Screen. Otherwise the image will be rendered to
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the bitmap specified by Bitmap.
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This function renders an image to a bitmap or the screen using
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the specified color and options. It draws the image on an
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existing bitmap, allocates a new bitmap or uses the screen. The
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images can be clipped. If EFI_HII_DRAW_FLAG_CLIP is set, then
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all pixels drawn outside the bounding box specified by Width and
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Height are ignored. The EFI_HII_DRAW_FLAG_TRANSPARENT flag
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determines whether the image will be drawn transparent or
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opaque. If EFI_HII_DRAW_FLAG_FORCE_TRANS is set, then the image
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will be drawn so that all 'off' pixels in the image will
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be drawn using the pixel value from Blt and all other pixels
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will be copied. If EFI_HII_DRAW_FLAG_FORCE_OPAQUE is set, then
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the image's pixels will be copied directly to the
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destination. If EFI_HII_DRAW_FLAG_DEFAULT is set, then the image
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will be drawn transparently or opaque, depending on the
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image's transparency setting (see EFI_IMAGE_TRANSPARENT).
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Images cannot be drawn transparently if Blt is NULL. If
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EFI_HII_DIRECT_TO_SCREEN is set, then the image will be written
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directly to the output device specified by Screen. Otherwise the
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image will be rendered to the bitmap specified by Bitmap.
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@param This A pointer to the EFI_HII_IMAGE_PROTOCOL instance.
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@param Flags Describes how the image is to be drawn.
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@param PackageList The package list in the HII database to
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search for the specified image.
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@param ImageId The image's id, which is unique within PackageList.
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@param Blt If this points to a non-NULL on entry, this points
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to the image, which is Width pixels wide and
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Height pixels high. The image will be drawn onto
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this image and EFI_HII_DRAW_FLAG_CLIP is implied.
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If this points to a NULL on entry, then a buffer
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will be allocated to hold the generated image and
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the pointer updated on exit. It is the caller's
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responsibility to free this buffer.
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@param BltX, BltY Specifies the offset from the left and top
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edge of the output image of the first
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pixel in the image.
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@retval EFI_SUCCESS The image was successfully updated.
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@retval EFI_OUT_OF_RESOURCES Unable to allocate an output
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buffer for RowInfoArray or Blt.
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@retval EFI_NOT_FOUND The image specified by ImageId is not in the database.
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Or The specified PackageList is not in the database.
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@retval EFI_INVALID_PARAMETER The Blt was NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_HII_DRAW_IMAGE_ID)(
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IN CONST EFI_HII_IMAGE_PROTOCOL *This,
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IN EFI_HII_DRAW_FLAGS Flags,
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IN EFI_HII_HANDLE PackageList,
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IN EFI_IMAGE_ID ImageId,
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IN OUT EFI_IMAGE_OUTPUT **Blt,
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IN UINTN BltX,
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IN UINTN BltY
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);
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///
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/// Services to access to images in the images database.
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///
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struct _EFI_HII_IMAGE_PROTOCOL {
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EFI_HII_NEW_IMAGE NewImage;
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EFI_HII_GET_IMAGE GetImage;
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EFI_HII_SET_IMAGE SetImage;
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EFI_HII_DRAW_IMAGE DrawImage;
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EFI_HII_DRAW_IMAGE_ID DrawImageId;
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};
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extern EFI_GUID gEfiHiiImageProtocolGuid;
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#endif
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