path: root/MdeModulePkg/Library/GraphicsLib/Graphics.c

/** @file
  Library supports diplaying graphical splash screen,
  locking of keyboard input and printing character on
  screen. These basic graphics operations are based on UEFI HII, 
  Graphics Output protocol or UGA Draw protocol.

Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which 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.

**/


#include <PiDxe.h>

#include <Protocol/SimpleTextOut.h>
#include <Protocol/OEMBadging.h>
#include <Protocol/ConsoleControl.h>
#include <Protocol/GraphicsOutput.h>
#include <Protocol/UgaDraw.h>
#include <Protocol/HiiFont.h>
#include <Protocol/HiiImage.h>

#include <Guid/Bmp.h>

#include <Library/GraphicsLib.h>
#include <Library/PrintLib.h>
#include <Library/BaseLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DxeServicesLib.h>
#include <Library/PcdLib.h>

/**
  Convert 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. If a GopBlt
  buffer is passed in it will be used if it is big enough.

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

  @retval EFI_SUCCESS           GopBlt and GopBltSize are returned. 
  @retval EFI_UNSUPPORTED       BmpImage is not a valid *.BMP image
  @retval EFI_BUFFER_TOO_SMALL  The passed in GopBlt buffer is not big enough.
                                GopBltSize will contain the required size.
  @retval EFI_OUT_OF_RESOURCES  No enough buffer to allocate.

**/
EFI_STATUS
EFIAPI
ConvertBmpToGopBlt (
  IN     VOID      *BmpImage,
  IN     UINTN     BmpImageSize,
  IN OUT VOID      **GopBlt,
  IN OUT UINTN     *GopBltSize,
     OUT UINTN     *PixelHeight,
     OUT UINTN     *PixelWidth
  )
{
  UINT8                         *Image;
  UINT8                         *ImageHeader;
  BMP_IMAGE_HEADER              *BmpHeader;
  BMP_COLOR_MAP                 *BmpColorMap;
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer;
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
  UINTN                         BltBufferSize;
  UINTN                         Index;
  UINTN                         Height;
  UINTN                         Width;
  UINTN                         ImageIndex;
  BOOLEAN                       IsAllocated;

  BmpHeader = (BMP_IMAGE_HEADER *) BmpImage;

  if (BmpHeader->CharB != 'B' || BmpHeader->CharM != 'M') {
    return EFI_UNSUPPORTED;
  }

  //
  // Doesn't support compress.
  //
  if (BmpHeader->CompressionType != 0) {
    return EFI_UNSUPPORTED;
  }

  //
  // Calculate Color Map offset in the image.
  //
  Image       = BmpImage;
  BmpColorMap = (BMP_COLOR_MAP *) (Image + sizeof (BMP_IMAGE_HEADER));

  //
  // Calculate graphics image data address in the image
  //
  Image         = ((UINT8 *) BmpImage) + BmpHeader->ImageOffset;
  ImageHeader   = Image;

  //
  // Calculate the BltBuffer needed size.
  //
  BltBufferSize = BmpHeader->PixelWidth * BmpHeader->PixelHeight * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
  IsAllocated   = FALSE;
  if (*GopBlt == NULL) {
    //
    // GopBlt is not allocated by caller.
    //
    *GopBltSize = BltBufferSize;
    *GopBlt     = AllocatePool (*GopBltSize);
    IsAllocated = TRUE;
    if (*GopBlt == NULL) {
      return EFI_OUT_OF_RESOURCES;
    }
  } else {
    //
    // GopBlt has been allocated by caller.
    //
    if (*GopBltSize < BltBufferSize) {
      *GopBltSize = BltBufferSize;
      return EFI_BUFFER_TOO_SMALL;
    }
  }

  *PixelWidth   = BmpHeader->PixelWidth;
  *PixelHeight  = BmpHeader->PixelHeight;

  //
  // Convert image from BMP to Blt buffer format
  //
  BltBuffer = *GopBlt;
  for (Height = 0; Height < BmpHeader->PixelHeight; Height++) {
    Blt = &BltBuffer[(BmpHeader->PixelHeight - Height - 1) * BmpHeader->PixelWidth];
    for (Width = 0; Width < BmpHeader->PixelWidth; Width++, Image++, Blt++) {
      switch (BmpHeader->BitPerPixel) {
      case 1:
        //
        // Convert 1-bit (2 colors) BMP to 24-bit color
        //
        for (Index = 0; Index < 8 && Width < BmpHeader->PixelWidth; Index++) {
          Blt->Red    = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Red;
          Blt->Green  = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Green;
          Blt->Blue   = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Blue;
          Blt++;
          Width++;
        }

        Blt --;
        Width --;
        break;

      case 4:
        //
        // Convert 4-bit (16 colors) BMP Palette to 24-bit color
        //
        Index       = (*Image) >> 4;
        Blt->Red    = BmpColorMap[Index].Red;
        Blt->Green  = BmpColorMap[Index].Green;
        Blt->Blue   = BmpColorMap[Index].Blue;
        if (Width < (BmpHeader->PixelWidth - 1)) {
          Blt++;
          Width++;
          Index       = (*Image) & 0x0f;
          Blt->Red    = BmpColorMap[Index].Red;
          Blt->Green  = BmpColorMap[Index].Green;
          Blt->Blue   = BmpColorMap[Index].Blue;
        }
        break;

      case 8:
        //
        // Convert 8-bit (256 colors) BMP Palette to 24-bit color
        //
        Blt->Red    = BmpColorMap[*Image].Red;
        Blt->Green  = BmpColorMap[*Image].Green;
        Blt->Blue   = BmpColorMap[*Image].Blue;
        break;

      case 24:
        //
        // It is 24-bit BMP.
        //
        Blt->Blue   = *Image++;
        Blt->Green  = *Image++;
        Blt->Red    = *Image;
        break;

      default:
        //
        // Other bit format BMP is not supported.
        //
        if (IsAllocated) {
          FreePool (*GopBlt);
          *GopBlt = NULL;
        }
        return EFI_UNSUPPORTED;
        break;
      };

    }

    ImageIndex = (UINTN) (Image - ImageHeader);
    if ((ImageIndex % 4) != 0) {
      //
      // Bmp Image starts each row on a 32-bit boundary!
      //
      Image = Image + (4 - (ImageIndex % 4));
    }
  }

  return EFI_SUCCESS;
}


/**
  Use Console Control Protocol to lock the Console In Spliter virtual handle. 
  This is the ConInHandle and ConIn handle in the EFI system table. All key
  presses will be ignored until the Password is typed in. The only way to
  disable the password is to type it in to a ConIn device.

  @param  Password        Password used to lock ConIn device.

  @retval EFI_SUCCESS     lock the Console In Spliter virtual handle successfully.
  @retval EFI_UNSUPPORTED Password not found.

**/
EFI_STATUS
EFIAPI
LockKeyboards (
  IN  CHAR16    *Password
  )
{
  EFI_STATUS                    Status;
  EFI_CONSOLE_CONTROL_PROTOCOL  *ConsoleControl;

  Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);
  if (EFI_ERROR (Status)) {
    return EFI_UNSUPPORTED;
  }

  Status = ConsoleControl->LockStdIn (ConsoleControl, Password);
  return Status;
}


/**
  Use Console Control to turn off UGA based Simple Text Out consoles from going
  to the UGA device. Put up LogoFile on every UGA device that is a console.

  @param  LogoFile        File name of logo to display on the center of the screen.

  @retval EFI_SUCCESS     ConsoleControl has been flipped to graphics and logo displayed.
  @retval EFI_UNSUPPORTED Logo not found.

**/
EFI_STATUS
EFIAPI
EnableQuietBoot (
  IN  EFI_GUID  *LogoFile
  )
{
  return EnableQuietBootEx (LogoFile, NULL);
}

/**
  Use Console Control to turn off UGA based Simple Text Out consoles from going
  to the UGA device. Put up LogoFile on every UGA device that is a console

  @param  LogoFile    File name of logo to display on the center of the screen.
  @param  ImageHandle The driver image handle of the caller. The parameter is used to
                      optimize the loading of the logo file so that the FV from which
                      the driver image is loaded will be tried first.

  @retval EFI_SUCCESS     ConsoleControl has been flipped to graphics and logo displayed.
  @retval EFI_UNSUPPORTED Logo not found.

**/
EFI_STATUS
EFIAPI
EnableQuietBootEx (
  IN  EFI_GUID    *LogoFile,
  IN  EFI_HANDLE  ImageHandle
  )
{
  EFI_STATUS                    Status;
  EFI_CONSOLE_CONTROL_PROTOCOL  *ConsoleControl;
  EFI_OEM_BADGING_PROTOCOL      *Badging;
  UINT32                        SizeOfX;
  UINT32                        SizeOfY;
  INTN                          DestX;
  INTN                          DestY;
  UINT8                         *ImageData;
  UINTN                         ImageSize;
  UINTN                         BltSize;
  UINT32                        Instance;
  EFI_BADGING_FORMAT            Format;
  EFI_BADGING_DISPLAY_ATTRIBUTE Attribute;
  UINTN                         CoordinateX;
  UINTN                         CoordinateY;
  UINTN                         Height;
  UINTN                         Width;
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
  EFI_UGA_DRAW_PROTOCOL         *UgaDraw;
  UINT32                        ColorDepth;
  UINT32                        RefreshRate;
  EFI_GRAPHICS_OUTPUT_PROTOCOL  *GraphicsOutput;

  Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);
  if (EFI_ERROR (Status)) {
    return EFI_UNSUPPORTED;
  }

  UgaDraw = NULL;
  //
  // Try to open GOP first
  //
  Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiGraphicsOutputProtocolGuid, (VOID **) &GraphicsOutput);
  if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {
    GraphicsOutput = NULL;
    //
    // Open GOP failed, try to open UGA
    //
    Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiUgaDrawProtocolGuid, (VOID **) &UgaDraw);
  }
  if (EFI_ERROR (Status)) {
    return EFI_UNSUPPORTED;
  }

  Badging = NULL;
  Status  = gBS->LocateProtocol (&gEfiOEMBadgingProtocolGuid, NULL, (VOID **) &Badging);

  //
  // Set console control to graphics mode.
  //
  Status = ConsoleControl->SetMode (ConsoleControl, EfiConsoleControlScreenGraphics);
  if (EFI_ERROR (Status)) {
    return EFI_UNSUPPORTED;
  }

  if (GraphicsOutput != NULL) {
    SizeOfX = GraphicsOutput->Mode->Info->HorizontalResolution;
    SizeOfY = GraphicsOutput->Mode->Info->VerticalResolution;
  } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
    Status = UgaDraw->GetMode (UgaDraw, &SizeOfX, &SizeOfY, &ColorDepth, &RefreshRate);
    if (EFI_ERROR (Status)) {
      return EFI_UNSUPPORTED;
    }
  } else {
    return EFI_UNSUPPORTED;
  }

  Instance = 0;
  while (1) {
    ImageData = NULL;
    ImageSize = 0;

    if (Badging != NULL) {
      //
      // Get image from OEMBadging protocol.
      //
      Status = Badging->GetImage (
                          Badging,
                          &Instance,
                          &Format,
                          &ImageData,
                          &ImageSize,
                          &Attribute,
                          &CoordinateX,
                          &CoordinateY
                          );
      if (EFI_ERROR (Status)) {
        return Status;
      }

      //
      // Currently only support BMP format.
      //
      if (Format != EfiBadgingFormatBMP) {
        if (ImageData != NULL) {
          FreePool (ImageData);
        }
        continue;
      }
    } else {
      //
      // Get the specified image from FV.
      //
      Status = GetSectionFromAnyFv (LogoFile, EFI_SECTION_RAW, 0, (VOID **) &ImageData, &ImageSize);
      if (EFI_ERROR (Status)) {
        return EFI_UNSUPPORTED;
      }

      CoordinateX = 0;
      CoordinateY = 0;
      Attribute   = EfiBadgingDisplayAttributeCenter;
    }

    Blt = NULL;
    Status = ConvertBmpToGopBlt (
              ImageData,
              ImageSize,
              (VOID **) &Blt,
              &BltSize,
              &Height,
              &Width
              );
    if (EFI_ERROR (Status)) {
      if (ImageData != NULL) {
        FreePool (ImageData);
      }
      if (Badging == NULL) {
        return Status;
      } else {
        continue;
      }
    }

    //
    // Caculate the display position according to Attribute.
    //
    switch (Attribute) {
    case EfiBadgingDisplayAttributeLeftTop:
      DestX = CoordinateX;
      DestY = CoordinateY;
      break;

    case EfiBadgingDisplayAttributeCenterTop:
      DestX = (SizeOfX - Width) / 2;
      DestY = CoordinateY;
      break;

    case EfiBadgingDisplayAttributeRightTop:
      DestX = (SizeOfX - Width - CoordinateX);
      DestY = CoordinateY;;
      break;

    case EfiBadgingDisplayAttributeCenterRight:
      DestX = (SizeOfX - Width - CoordinateX);
      DestY = (SizeOfY - Height) / 2;
      break;

    case EfiBadgingDisplayAttributeRightBottom:
      DestX = (SizeOfX - Width - CoordinateX);
      DestY = (SizeOfY - Height - CoordinateY);
      break;

    case EfiBadgingDisplayAttributeCenterBottom:
      DestX = (SizeOfX - Width) / 2;
      DestY = (SizeOfY - Height - CoordinateY);
      break;

    case EfiBadgingDisplayAttributeLeftBottom:
      DestX = CoordinateX;
      DestY = (SizeOfY - Height - CoordinateY);
      break;

    case EfiBadgingDisplayAttributeCenterLeft:
      DestX = CoordinateX;
      DestY = (SizeOfY - Height) / 2;
      break;

    case EfiBadgingDisplayAttributeCenter:
      DestX = (SizeOfX - Width) / 2;
      DestY = (SizeOfY - Height) / 2;
      break;

    default:
      DestX = CoordinateX;
      DestY = CoordinateY;
      break;
    }

    if ((DestX >= 0) && (DestY >= 0)) {
      if (GraphicsOutput != NULL) {
        Status = GraphicsOutput->Blt (
                            GraphicsOutput,
                            Blt,
                            EfiBltBufferToVideo,
                            0,
                            0,
                            (UINTN) DestX,
                            (UINTN) DestY,
                            Width,
                            Height,
                            Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
                            );
      } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
        Status = UgaDraw->Blt (
                            UgaDraw,
                            (EFI_UGA_PIXEL *) Blt,
                            EfiUgaBltBufferToVideo,
                            0,
                            0,
                            (UINTN) DestX,
                            (UINTN) DestY,
                            Width,
                            Height,
                            Width * sizeof (EFI_UGA_PIXEL)
                            );
      } else {
      Status = EFI_UNSUPPORTED;
      }
    }

    if (ImageData != NULL) {
      FreePool (ImageData);
    }
    if (Blt != NULL) {
      FreePool (Blt);
    }

    if (Badging == NULL) {
      break;
    }
  }

  return Status;
}

/**
  Use Console Control to turn on UGA based Simple Text Out consoles. The UGA 
  Simple Text Out screens will now be synced up with all non UGA output devices

  @retval EFI_SUCCESS          UGA devices are back in text mode and synced up.
  @retval EFI_UNSUPPORTED      Logo not found

**/
EFI_STATUS
EFIAPI
DisableQuietBoot (
  VOID
  )
{
  EFI_STATUS                    Status;
  EFI_CONSOLE_CONTROL_PROTOCOL  *ConsoleControl;

  Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);
  if (EFI_ERROR (Status)) {
    return EFI_UNSUPPORTED;
  }

  //
  // Set console control to text mode.
  //
  return ConsoleControl->SetMode (ConsoleControl, EfiConsoleControlScreenText);
}