[mirror_edk2.git] / IntelFrameworkModulePkg / Library / GraphicsLib / Graphics.c

/*++\r
\r
Copyright (c) 2006, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
Module Name:\r
\r
  Graphics.c\r
\r
Abstract:\r
\r
  Support for Basic Graphics operations.\r
\r
  BugBug: Currently *.BMP files are supported. This will be replaced\r
          when Tiano graphics format is supported.\r
\r
--*/\r
\r
\r
//\r
// Include common header file for this module.\r
//\r
#include "CommonHeader.h"\r
\r
EFI_STATUS\r
GetGraphicsBitMapFromFV (\r
  IN  EFI_GUID      *FileNameGuid,\r
  OUT VOID          **Image,\r
  OUT UINTN         *ImageSize\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Return the graphics image file named FileNameGuid into Image and return it's\r
  size in ImageSize. All Firmware Volumes (FV) in the system are searched for the\r
  file name.\r
\r
Arguments:\r
\r
  FileNameGuid  - File Name of graphics file in the FV(s).\r
\r
  Image         - Pointer to pointer to return graphics image.  If NULL, a \r
                  buffer will be allocated.\r
\r
  ImageSize     - Size of the graphics Image in bytes. Zero if no image found.\r
\r
\r
Returns: \r
\r
  EFI_SUCCESS          - Image and ImageSize are valid. \r
  EFI_BUFFER_TOO_SMALL - Image not big enough. ImageSize has required size\r
  EFI_NOT_FOUND        - FileNameGuid not found\r
\r
--*/\r
{\r
  EFI_STATUS                    Status;\r
  UINTN                         FvProtocolCount;\r
  EFI_HANDLE                    *FvHandles;\r
  EFI_FIRMWARE_VOLUME_PROTOCOL  *Fv;\r
  UINTN                         Index;\r
  UINT32                        AuthenticationStatus;\r
\r
\r
  Status = gBS->LocateHandleBuffer (\r
                  ByProtocol,\r
                  &gEfiFirmwareVolumeProtocolGuid,\r
                  NULL,\r
                  &FvProtocolCount,\r
                  &FvHandles\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    return EFI_NOT_FOUND;\r
  }\r
\r
  for (Index = 0; Index < FvProtocolCount; Index++) {\r
    Status = gBS->HandleProtocol (\r
                    FvHandles[Index],\r
                    &gEfiFirmwareVolumeProtocolGuid,\r
                    (VOID **) &Fv\r
                    );\r
\r
    //\r
    // Assuming Image and ImageSize are correct on input.\r
    //\r
    Status = Fv->ReadSection (\r
                  Fv,\r
                  FileNameGuid,\r
                  EFI_SECTION_RAW,\r
                  0,\r
                  Image,\r
                  ImageSize,\r
                  &AuthenticationStatus\r
                  );\r
    if (!EFI_ERROR (Status)) {\r
      return EFI_SUCCESS;\r
    } else if (Status == EFI_BUFFER_TOO_SMALL) {\r
      //\r
      // ImageSize updated to needed size so return\r
      //\r
      return EFI_BUFFER_TOO_SMALL;\r
    }\r
  }\r
\r
  return EFI_NOT_FOUND;\r
}\r
\r
STATIC\r
EFI_STATUS\r
ConvertBmpToGopBlt (\r
  IN  VOID      *BmpImage,\r
  IN  UINTN     BmpImageSize,\r
  IN OUT VOID   **GopBlt,\r
  IN OUT UINTN  *GopBltSize,\r
  OUT UINTN     *PixelHeight,\r
  OUT UINTN     *PixelWidth\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Convert a *.BMP graphics image to a UGA blt buffer. If a NULL UgaBlt buffer\r
  is passed in a UgaBlt buffer will be allocated by this routine. If a UgaBlt\r
  buffer is passed in it will be used if it is big enough.\r
\r
Arguments:\r
\r
  BmpImage      - Pointer to BMP file\r
\r
  BmpImageSize  - Number of bytes in BmpImage\r
\r
  UgaBlt        - Buffer containing UGA version of BmpImage.\r
\r
  UgaBltSize    - Size of UgaBlt in bytes.\r
\r
  PixelHeight   - Height of UgaBlt/BmpImage in pixels\r
\r
  PixelWidth    - Width of UgaBlt/BmpImage in pixels\r
\r
\r
Returns: \r
\r
  EFI_SUCCESS           - UgaBlt and UgaBltSize are returned. \r
  EFI_UNSUPPORTED       - BmpImage is not a valid *.BMP image\r
  EFI_BUFFER_TOO_SMALL  - The passed in UgaBlt buffer is not big enough.\r
                          UgaBltSize will contain the required size.\r
  EFI_OUT_OF_RESOURCES  - No enough buffer to allocate\r
\r
--*/\r
{\r
  UINT8             *Image;\r
  UINT8             *ImageHeader;\r
  BMP_IMAGE_HEADER  *BmpHeader;\r
  BMP_COLOR_MAP     *BmpColorMap;\r
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer;\r
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;\r
  UINTN             BltBufferSize;\r
  UINTN             Index;\r
  UINTN             Height;\r
  UINTN             Width;\r
  UINTN             ImageIndex;\r
  BOOLEAN           IsAllocated;\r
  \r
  BmpHeader = (BMP_IMAGE_HEADER *) BmpImage;\r
  if (BmpHeader->CharB != 'B' || BmpHeader->CharM != 'M') {\r
    return EFI_UNSUPPORTED;\r
  }\r
\r
  if (BmpHeader->CompressionType != 0) {\r
    return EFI_UNSUPPORTED;\r
  }\r
\r
  //\r
  // Calculate Color Map offset in the image.\r
  //\r
  Image       = BmpImage;\r
  BmpColorMap = (BMP_COLOR_MAP *) (Image + sizeof (BMP_IMAGE_HEADER));\r
\r
  //\r
  // Calculate graphics image data address in the image\r
  //\r
  Image         = ((UINT8 *) BmpImage) + BmpHeader->ImageOffset;\r
  ImageHeader   = Image;\r
\r
  BltBufferSize = BmpHeader->PixelWidth * BmpHeader->PixelHeight * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);\r
  IsAllocated   = FALSE;\r
  if (*GopBlt == NULL) {\r
    *GopBltSize = BltBufferSize;\r
    *GopBlt     = AllocatePool (*GopBltSize);\r
    IsAllocated = TRUE;\r
    if (*GopBlt == NULL) {\r
      return EFI_OUT_OF_RESOURCES;\r
    }\r
  } else {\r
    if (*GopBltSize < BltBufferSize) {\r
      *GopBltSize = BltBufferSize;\r
      return EFI_BUFFER_TOO_SMALL;\r
    }\r
  }\r
\r
  *PixelWidth   = BmpHeader->PixelWidth;\r
  *PixelHeight  = BmpHeader->PixelHeight;\r
\r
  //\r
  // Convert image from BMP to Blt buffer format\r
  //\r
  BltBuffer = *GopBlt;\r
  for (Height = 0; Height < BmpHeader->PixelHeight; Height++) {\r
    Blt = &BltBuffer[(BmpHeader->PixelHeight - Height - 1) * BmpHeader->PixelWidth];\r
    for (Width = 0; Width < BmpHeader->PixelWidth; Width++, Image++, Blt++) {\r
      switch (BmpHeader->BitPerPixel) {\r
      case 1:\r
        //\r
        // Convert 1bit BMP to 24-bit color\r
        //\r
        for (Index = 0; Index < 8 && Width < BmpHeader->PixelWidth; Index++) {\r
          Blt->Red    = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Red;\r
          Blt->Green  = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Green;\r
          Blt->Blue   = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Blue;\r
          Blt++;\r
          Width++;\r
        }\r
\r
        Blt --;\r
        Width --;\r
        break;\r
      \r
      case 4:\r
        //\r
        // Convert BMP Palette to 24-bit color\r
        //\r
        Index       = (*Image) >> 4;\r
        Blt->Red    = BmpColorMap[Index].Red;\r
        Blt->Green  = BmpColorMap[Index].Green;\r
        Blt->Blue   = BmpColorMap[Index].Blue;\r
        if (Width < (BmpHeader->PixelWidth - 1)) {\r
          Blt++;\r
          Width++;\r
          Index       = (*Image) & 0x0f;\r
          Blt->Red    = BmpColorMap[Index].Red;\r
          Blt->Green  = BmpColorMap[Index].Green;\r
          Blt->Blue   = BmpColorMap[Index].Blue;\r
        }\r
        break;\r
\r
      case 8:\r
        //\r
        // Convert BMP Palette to 24-bit color\r
        //\r
        Blt->Red    = BmpColorMap[*Image].Red;\r
        Blt->Green  = BmpColorMap[*Image].Green;\r
        Blt->Blue   = BmpColorMap[*Image].Blue;\r
        break;\r
\r
      case 24:\r
        Blt->Blue   = *Image++;\r
        Blt->Green  = *Image++;\r
        Blt->Red    = *Image;\r
        break;\r
\r
      default:\r
        if (IsAllocated) {\r
          gBS->FreePool (*GopBlt);\r
          *GopBlt = NULL;\r
        }\r
        return EFI_UNSUPPORTED;\r
        break;\r
      };\r
\r
    }\r
\r
    ImageIndex = (UINTN) (Image - ImageHeader);\r
    if ((ImageIndex % 4) != 0) {\r
      //\r
      // Bmp Image starts each row on a 32-bit boundary!\r
      //\r
      Image = Image + (4 - (ImageIndex % 4));\r
    }\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
\r
EFI_STATUS\r
LockKeyboards (\r
  IN  CHAR16    *Password\r
  )\r
/*++\r
\r
Routine Description:\r
  Use Console Control Protocol to lock the Console In Spliter virtual handle. \r
  This is the ConInHandle and ConIn handle in the EFI system table. All key\r
  presses will be ignored until the Password is typed in. The only way to\r
  disable the password is to type it in to a ConIn device.\r
\r
Arguments:\r
  Password - Password used to lock ConIn device\r
\r
\r
Returns: \r
\r
  EFI_SUCCESS     - ConsoleControl has been flipped to graphics and logo\r
                          displayed.\r
  EFI_UNSUPPORTED - Logo not found\r
\r
--*/\r
{\r
  EFI_STATUS                    Status;\r
  EFI_CONSOLE_CONTROL_PROTOCOL  *ConsoleControl;\r
\r
  Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);\r
  if (EFI_ERROR (Status)) {\r
    return EFI_UNSUPPORTED;\r
  }\r
\r
  Status = ConsoleControl->LockStdIn (ConsoleControl, Password);\r
  return Status;\r
}\r
\r
\r
EFI_STATUS\r
EnableQuietBoot (\r
  IN  EFI_GUID  *LogoFile\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Use Console Control to turn off UGA based Simple Text Out consoles from going\r
  to the UGA device. Put up LogoFile on every UGA device that is a console\r
\r
Arguments:\r
\r
  LogoFile - File name of logo to display on the center of the screen.\r
\r
\r
Returns: \r
\r
  EFI_SUCCESS           - ConsoleControl has been flipped to graphics and logo\r
                          displayed.\r
  EFI_UNSUPPORTED       - Logo not found\r
\r
--*/\r
{\r
  EFI_STATUS                    Status;\r
  EFI_CONSOLE_CONTROL_PROTOCOL  *ConsoleControl;\r
  EFI_OEM_BADGING_PROTOCOL      *Badging;\r
  UINT32                        SizeOfX;\r
  UINT32                        SizeOfY;\r
  INTN                          DestX;\r
  INTN                          DestY;\r
  UINT8                         *ImageData;\r
  UINTN                         ImageSize;\r
  UINTN                         BltSize;\r
  UINT32                        Instance;\r
  EFI_BADGING_FORMAT            Format;\r
  EFI_BADGING_DISPLAY_ATTRIBUTE Attribute;\r
  UINTN                         CoordinateX;\r
  UINTN                         CoordinateY;\r
  UINTN                         Height;\r
  UINTN                         Width;\r
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;\r
  EFI_UGA_DRAW_PROTOCOL         *UgaDraw;\r
  UINT32                        ColorDepth;\r
  UINT32                        RefreshRate;\r
  EFI_GRAPHICS_OUTPUT_PROTOCOL  *GraphicsOutput;\r
\r
  Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);\r
  if (EFI_ERROR (Status)) {\r
    return EFI_UNSUPPORTED;\r
  }\r
\r
  UgaDraw = NULL;\r
  //\r
  // Try to open GOP first\r
  //\r
  Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiGraphicsOutputProtocolGuid, (VOID **) &GraphicsOutput); \r
  if (EFI_ERROR(Status)) {\r
    GraphicsOutput = NULL;\r
    //\r
    // Open GOP failed, try to open UGA\r
    //\r
    Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiUgaDrawProtocolGuid, (VOID **) &UgaDraw);\r
    if (EFI_ERROR (Status)) {\r
      return EFI_UNSUPPORTED;\r
    }\r
  }\r
\r
  Badging = NULL;\r
  Status  = gBS->LocateProtocol (&gEfiOEMBadgingProtocolGuid, NULL, (VOID **) &Badging);\r
\r
  ConsoleControl->SetMode (ConsoleControl, EfiConsoleControlScreenGraphics);\r
\r
  if (GraphicsOutput != NULL) {\r
    SizeOfX = GraphicsOutput->Mode->Info->HorizontalResolution;\r
    SizeOfY = GraphicsOutput->Mode->Info->VerticalResolution;\r
  } else {\r
    Status = UgaDraw->GetMode (UgaDraw, &SizeOfX, &SizeOfY, &ColorDepth, &RefreshRate);\r
    if (EFI_ERROR (Status)) {\r
      return EFI_UNSUPPORTED;\r
    }\r
  }\r
\r
  Instance = 0;\r
  while (1) {\r
    ImageData = NULL;\r
    ImageSize = 0;\r
\r
    if (Badging != NULL) {\r
      Status = Badging->GetImage (\r
                          Badging,\r
                          &Instance,\r
                          &Format,\r
                          &ImageData,\r
                          &ImageSize,\r
                          &Attribute,\r
                          &CoordinateX,\r
                          &CoordinateY\r
                          );\r
      if (EFI_ERROR (Status)) {\r
        return Status;\r
      }\r
\r
      //\r
      // Currently only support BMP format\r
      //\r
      if (Format != EfiBadgingFormatBMP) {\r
        gBS->FreePool (ImageData);\r
        continue;\r
      }\r
    } else {\r
      Status = GetGraphicsBitMapFromFV (LogoFile, (VOID **) &ImageData, &ImageSize);\r
      if (EFI_ERROR (Status)) {\r
        return EFI_UNSUPPORTED;\r
      }\r
\r
      CoordinateX = 0;\r
      CoordinateY = 0;\r
      Attribute   = EfiBadgingDisplayAttributeCenter;\r
    }\r
\r
    Blt = NULL;\r
    BltSize = 0;\r
    Status = ConvertBmpToGopBlt (\r
              ImageData,\r
              ImageSize,\r
              (VOID**)&Blt,\r
              &BltSize,\r
              &Height,\r
              &Width\r
              );\r
    if (EFI_ERROR (Status)) {\r
      gBS->FreePool (ImageData);\r
      if (Badging == NULL) {\r
        return Status;\r
      } else {\r
        continue;\r
      }\r
    }\r
\r
    switch (Attribute) {\r
    case EfiBadgingDisplayAttributeLeftTop:\r
      DestX = CoordinateX;\r
      DestY = CoordinateY;\r
      break;\r
\r
    case EfiBadgingDisplayAttributeCenterTop:\r
      DestX = (SizeOfX - Width) / 2;\r
      DestY = CoordinateY;\r
      break;\r
\r
    case EfiBadgingDisplayAttributeRightTop:\r
      DestX = (SizeOfX - Width - CoordinateX);\r
      DestY = CoordinateY;;\r
      break;\r
\r
    case EfiBadgingDisplayAttributeCenterRight:\r
      DestX = (SizeOfX - Width - CoordinateX);\r
      DestY = (SizeOfY - Height) / 2;\r
      break;\r
\r
    case EfiBadgingDisplayAttributeRightBottom:\r
      DestX = (SizeOfX - Width - CoordinateX);\r
      DestY = (SizeOfY - Height - CoordinateY);\r
      break;\r
\r
    case EfiBadgingDisplayAttributeCenterBottom:\r
      DestX = (SizeOfX - Width) / 2;\r
      DestY = (SizeOfY - Height - CoordinateY);\r
      break;\r
\r
    case EfiBadgingDisplayAttributeLeftBottom:\r
      DestX = CoordinateX;\r
      DestY = (SizeOfY - Height - CoordinateY);\r
      break;\r
\r
    case EfiBadgingDisplayAttributeCenterLeft:\r
      DestX = CoordinateX;\r
      DestY = (SizeOfY - Height) / 2;\r
      break;\r
\r
    case EfiBadgingDisplayAttributeCenter:\r
      DestX = (SizeOfX - Width) / 2;\r
      DestY = (SizeOfY - Height) / 2;\r
      break;\r
\r
    default:\r
      DestX = CoordinateX;\r
      DestY = CoordinateY;\r
      break;\r
    }\r
\r
    if ((DestX >= 0) && (DestY >= 0)) {\r
      if (GraphicsOutput != NULL) {\r
        Status = GraphicsOutput->Blt (\r
                            GraphicsOutput,\r
                            Blt,\r
                            EfiBltBufferToVideo,\r
                            0,\r
                            0,\r
                            (UINTN) DestX,\r
                            (UINTN) DestY,\r
                            Width,\r
                            Height,\r
                            Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r
                            );\r
      } else {\r
        Status = UgaDraw->Blt (\r
                            UgaDraw,\r
                            (EFI_UGA_PIXEL *) Blt,\r
                            EfiUgaBltBufferToVideo,\r
                            0,\r
                            0,\r
                            (UINTN) DestX,\r
                            (UINTN) DestY,\r
                            Width,\r
                            Height,\r
                            Width * sizeof (EFI_UGA_PIXEL)\r
                            );\r
      }\r
    }\r
\r
    gBS->FreePool (ImageData);\r
    gBS->FreePool (Blt);\r
\r
    if (Badging == NULL) {\r
      break;\r
    }\r
  }\r
\r
  return Status;\r
}\r
\r
\r
EFI_STATUS\r
DisableQuietBoot (\r
  VOID\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Use Console Control to turn on UGA based Simple Text Out consoles. The UGA \r
  Simple Text Out screens will now be synced up with all non UGA output devices\r
\r
Arguments:\r
\r
  NONE\r
\r
Returns: \r
\r
  EFI_SUCCESS           - UGA devices are back in text mode and synced up.\r
  EFI_UNSUPPORTED       - Logo not found\r
\r
--*/\r
{\r
  EFI_STATUS                    Status;\r
  EFI_CONSOLE_CONTROL_PROTOCOL  *ConsoleControl;\r
\r
  Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);\r
  if (EFI_ERROR (Status)) {\r
    return EFI_UNSUPPORTED;\r
  }\r
\r
  return ConsoleControl->SetMode (ConsoleControl, EfiConsoleControlScreenText);\r
}\r
\r
static EFI_GRAPHICS_OUTPUT_BLT_PIXEL mEfiColors[16] = {\r
  { 0x00, 0x00, 0x00, 0x00 },\r
  { 0x98, 0x00, 0x00, 0x00 },\r
  { 0x00, 0x98, 0x00, 0x00 },\r
  { 0x98, 0x98, 0x00, 0x00 },\r
  { 0x00, 0x00, 0x98, 0x00 },\r
  { 0x98, 0x00, 0x98, 0x00 },\r
  { 0x00, 0x98, 0x98, 0x00 },\r
  { 0x98, 0x98, 0x98, 0x00 },\r
  { 0x10, 0x10, 0x10, 0x00 },\r
  { 0xff, 0x10, 0x10, 0x00 },\r
  { 0x10, 0xff, 0x10, 0x00 },\r
  { 0xff, 0xff, 0x10, 0x00 },\r
  { 0x10, 0x10, 0xff, 0x00 },\r
  { 0xf0, 0x10, 0xff, 0x00 },\r
  { 0x10, 0xff, 0xff, 0x00 },\r
  { 0xff, 0xff, 0xff, 0x00 }\r
};\r
\r
STATIC\r
UINTN\r
_IPrint (\r
  IN EFI_GRAPHICS_OUTPUT_PROTOCOL     *GraphicsOutput,\r
  IN EFI_UGA_DRAW_PROTOCOL            *UgaDraw,\r
  IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL  *Sto,\r
  IN UINTN                            X,\r
  IN UINTN                            Y,\r
  IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL    *Foreground,\r
  IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL    *Background,\r
  IN CHAR16                           *fmt,\r
  IN VA_LIST                          args\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Display string worker for: Print, PrintAt, IPrint, IPrintAt\r
\r
Arguments:\r
\r
  GraphicsOutput  - Graphics output protocol interface\r
  \r
  UgaDraw         - UGA draw protocol interface\r
  \r
  Sto             - Simple text out protocol interface\r
  \r
  X               - X coordinate to start printing\r
  \r
  Y               - Y coordinate to start printing\r
  \r
  Foreground      - Foreground color\r
  \r
  Background      - Background color\r
  \r
  fmt             - Format string\r
  \r
  args            - Print arguments\r
\r
Returns: \r
\r
  EFI_SUCCESS             -  success\r
  EFI_OUT_OF_RESOURCES    -  out of resources\r
\r
--*/\r
{\r
  VOID              *Buffer;\r
  EFI_STATUS        Status;\r
  UINT16            GlyphWidth;\r
  UINT32            GlyphStatus;\r
  UINT16            StringIndex;\r
  UINTN             Index;\r
  CHAR16            *UnicodeWeight;\r
  EFI_NARROW_GLYPH  *Glyph;\r
  EFI_HII_PROTOCOL  *Hii;\r
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL     *LineBuffer;\r
  UINT32            HorizontalResolution;\r
  UINT32            VerticalResolution;\r
  UINT32            ColorDepth;\r
  UINT32            RefreshRate;\r
  UINTN             BufferGlyphWidth;\r
\r
  GlyphStatus = 0;\r
\r
  //\r
  // For now, allocate an arbitrarily long buffer\r
  //\r
  Buffer = AllocateZeroPool (0x10000);\r
  if (Buffer == NULL) {\r
    return EFI_OUT_OF_RESOURCES;\r
  }\r
  \r
  if (GraphicsOutput != NULL) {\r
    HorizontalResolution = GraphicsOutput->Mode->Info->HorizontalResolution;\r
    VerticalResolution   = GraphicsOutput->Mode->Info->VerticalResolution;\r
  } else {\r
    //\r
    // Get the current mode information from the UGA Draw Protocol\r
    //\r
    UgaDraw->GetMode (UgaDraw, &HorizontalResolution, &VerticalResolution, &ColorDepth, &RefreshRate);\r
  }\r
\r
  LineBuffer = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * HorizontalResolution * GLYPH_WIDTH * GLYPH_HEIGHT);\r
  if (LineBuffer == NULL) {\r
    gBS->FreePool (Buffer);\r
    return EFI_OUT_OF_RESOURCES;\r
  }\r
\r
  Status = gBS->LocateProtocol (&gEfiHiiProtocolGuid, NULL, (VOID **) &Hii);\r
  if (EFI_ERROR (Status)) {\r
    goto Error;\r
  }\r
\r
  UnicodeVSPrint (Buffer, 0x10000, fmt, args);\r
\r
  UnicodeWeight = (CHAR16 *) Buffer;\r
\r
  for (Index = 0; UnicodeWeight[Index] != 0; Index++) {\r
    if (UnicodeWeight[Index] == CHAR_BACKSPACE ||\r
        UnicodeWeight[Index] == CHAR_LINEFEED  ||\r
        UnicodeWeight[Index] == CHAR_CARRIAGE_RETURN) {\r
      UnicodeWeight[Index] = 0;\r
    }\r
  }\r
\r
  for (Index = 0; Index < StrLen (Buffer); Index++) {\r
    StringIndex = (UINT16) Index;\r
    Status      = Hii->GetGlyph (Hii, UnicodeWeight, &StringIndex, (UINT8 **) &Glyph, &GlyphWidth, &GlyphStatus);\r
    if (EFI_ERROR (Status)) {\r
      goto Error;\r
    }\r
\r
    if (Foreground == NULL || Background == NULL) {\r
      Status = Hii->GlyphToBlt (\r
                      Hii,\r
                      (UINT8 *) Glyph,\r
                      mEfiColors[Sto->Mode->Attribute & 0x0f],\r
                      mEfiColors[Sto->Mode->Attribute >> 4],\r
                      StrLen (Buffer),\r
                      GlyphWidth,\r
                      GLYPH_HEIGHT,\r
                      &LineBuffer[Index * GLYPH_WIDTH]\r
                      );\r
    } else {\r
      Status = Hii->GlyphToBlt (\r
                      Hii,\r
                      (UINT8 *) Glyph,\r
                      *Foreground,\r
                      *Background,\r
                      StrLen (Buffer),\r
                      GlyphWidth,\r
                      GLYPH_HEIGHT,\r
                      &LineBuffer[Index * GLYPH_WIDTH]\r
                      );\r
    }\r
  }\r
\r
  //\r
  // Blt a character to the screen\r
  //\r
  BufferGlyphWidth = GLYPH_WIDTH * StrLen (Buffer);\r
  if (GraphicsOutput != NULL) {\r
    Status = GraphicsOutput->Blt (\r
                        GraphicsOutput,\r
                        LineBuffer,\r
                        EfiBltBufferToVideo,\r
                        0,\r
                        0,\r
                        X,\r
                        Y,\r
                        BufferGlyphWidth,\r
                        GLYPH_HEIGHT,\r
                        BufferGlyphWidth * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r
                        );\r
  } else {\r
    Status = UgaDraw->Blt (\r
                        UgaDraw,\r
                        (EFI_UGA_PIXEL *) (UINTN) LineBuffer,\r
                        EfiUgaBltBufferToVideo,\r
                        0,\r
                        0,\r
                        X,\r
                        Y,\r
                        BufferGlyphWidth,\r
                        GLYPH_HEIGHT,\r
                        BufferGlyphWidth * sizeof (EFI_UGA_PIXEL)\r
                        );\r
  }\r
\r
Error:\r
  gBS->FreePool (LineBuffer);\r
  gBS->FreePool (Buffer);\r
  return Status;\r
}\r
\r
\r
UINTN\r
PrintXY (\r
  IN UINTN                            X,\r
  IN UINTN                            Y,\r
  IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL    *ForeGround, OPTIONAL\r
  IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL    *BackGround, OPTIONAL\r
  IN CHAR16                           *Fmt,\r
  ...\r
  )\r
/*++\r
\r
Routine Description:\r
\r
    Prints a formatted unicode string to the default console\r
\r
Arguments:\r
\r
    X           - X coordinate to start printing\r
    \r
    Y           - Y coordinate to start printing\r
    \r
    ForeGround  - Foreground color\r
    \r
    BackGround  - Background color\r
\r
    Fmt         - Format string\r
\r
    ...         - Print arguments\r
\r
Returns:\r
\r
    Length of string printed to the console\r
\r
--*/\r
{\r
  EFI_HANDLE                    Handle;\r
\r
  EFI_GRAPHICS_OUTPUT_PROTOCOL     *GraphicsOutput;\r
  EFI_UGA_DRAW_PROTOCOL         *UgaDraw;\r
  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL  *Sto;\r
  EFI_STATUS                    Status;\r
  VA_LIST                       Args;\r
\r
  VA_START (Args, Fmt);\r
\r
  UgaDraw = NULL;\r
\r
  Handle = gST->ConsoleOutHandle;\r
\r
  Status = gBS->HandleProtocol (\r
                  Handle,\r
                  &gEfiGraphicsOutputProtocolGuid,\r
                  (VOID **) &GraphicsOutput\r
                  );\r
\r
  if (EFI_ERROR (Status)) {\r
    GraphicsOutput = NULL;\r
\r
    Status = gBS->HandleProtocol (\r
                    Handle,\r
                    &gEfiUgaDrawProtocolGuid,\r
                    (VOID **) &UgaDraw\r
                    );\r
\r
    if (EFI_ERROR (Status)) {\r
      return Status;\r
    }\r
  }\r
\r
  Status = gBS->HandleProtocol (\r
                  Handle,\r
                  &gEfiSimpleTextOutProtocolGuid,\r
                  (VOID **) &Sto\r
                  );\r
\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  return _IPrint (GraphicsOutput, UgaDraw, Sto, X, Y, ForeGround, BackGround, Fmt, Args);\r
}\r