mirror of https://github.com/acidanthera/audk.git
149 lines
4.9 KiB
C
149 lines
4.9 KiB
C
/** @file
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Graphics Library
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Copyright (c) 2006 - 2007, Intel Corporation.<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __EFI_GRAPHICS_LIB_H__
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#define __EFI_GRAPHICS_LIB_H__
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#include <Protocol/GraphicsOutput.h>
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/**
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Return the graphics image file named FileNameGuid into Image and return it's
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size in ImageSize. All Firmware Volumes (FV) in the system are searched for the
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file name.
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@param[in] FileNameGuid File Name of graphics file in the FV(s).
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@param[out] Image Pointer to pointer to return graphics image. If NULL, a
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buffer will be allocated.
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@param[out] ImageSize Size of the graphics Image in bytes. Zero if no image found.
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@retval EFI_INVALID_PARAMETER invalid parameter
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@retval EFI_UNSUPPORTED Range can not be erased
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@retval EFI_SUCCESS Image and ImageSize are valid.
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@retval EFI_BUFFER_TOO_SMALL Image not big enough. ImageSize has required size
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@retval EFI_NOT_FOUND FileNameGuid not found
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**/
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EFI_STATUS
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GetGraphicsBitMapFromFV (
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IN EFI_GUID *FileNameGuid,
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OUT VOID **Image,
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OUT UINTN *ImageSize
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);
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/**
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Convert a *.BMP graphics image to a UGA blt buffer. If a NULL UgaBlt buffer
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is passed in a UgaBlt buffer will be allocated by this routine. If a UgaBlt
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buffer is passed in it will be 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] UgaBlt Buffer containing UGA version of BmpImage.
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@param[in,out] UgaBltSize Size of UgaBlt in bytes.
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@param[out] PixelHeight Height of UgaBlt/BmpImage in pixels
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@param[out] PixelWidth Width of UgaBlt/BmpImage in pixels
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@retval EFI_SUCCESS UgaBlt and UgaBltSize are returned.
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@retval EFI_UNSUPPORTED BmpImage is not a valid *.BMP image
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@retval EFI_BUFFER_TOO_SMALL The passed in UgaBlt buffer is not big enough.
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UgaBltSize will contain the required size.
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**/
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EFI_STATUS
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ConvertBmpToUgaBlt (
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IN VOID *BmpImage,
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IN UINTN BmpImageSize,
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IN OUT VOID **UgaBlt,
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IN OUT UINTN *UgaBltSize,
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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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Use Console Control to turn off UGA based Simple Text Out consoles from going
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to the UGA device. Put up LogoFile on every UGA device that is a console
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@param[in] LogoFile File name of logo to display on the center of the screen.
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@retval EFI_SUCCESS ConsoleControl has been flipped to graphics and logo displayed.
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@retval EFI_UNSUPPORTED Logo not found
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**/
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EFI_STATUS
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EnableQuietBoot (
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IN EFI_GUID *LogoFile
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);
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/**
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Use Console Control to turn on UGA based Simple Text Out consoles. The UGA
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Simple Text Out screens will now be synced up with all non UGA output devices
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@retval EFI_SUCCESS UGA devices are back in text mode and synced up.
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**/
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EFI_STATUS
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DisableQuietBoot (
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VOID
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);
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/**
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Use Console Control Protocol to lock the Console In Spliter virtual handle.
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This is the ConInHandle and ConIn handle in the EFI system table. All key
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presses will be ignored until the Password is typed in. The only way to
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disable the password is to type it in to a ConIn device.
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@param[in] Password Password used to lock ConIn device.
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@retval EFI_SUCCESS ConsoleControl has been flipped to graphics and logo
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displayed.
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@retval EFI_UNSUPPORTED Password not found
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**/
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EFI_STATUS
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LockKeyboards (
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IN CHAR16 *Password
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);
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/**
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Print to graphics screen at the given X,Y coordinates of the graphics screen.
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see definition of Print to find rules for constructing Fmt.
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@param[in] X Row to start printing at
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@param[in] Y Column to start printing at
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@param[in] Foreground Foreground color
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@param[in] Background background color
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@param[in] Fmt Print format sting. See definition of Print
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@param[in] ... Argumnet stream defined by Fmt string
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@retval UINTN Number of Characters printed
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**/
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UINTN
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EFIAPI
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PrintXY (
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IN UINTN X,
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IN UINTN Y,
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Foreground, OPTIONAL
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Background, OPTIONAL
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IN CHAR16 *Fmt,
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...
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);
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#endif
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