diff options
Diffstat (limited to 'MdePkg/Library/GraphicsLib/Graphics.c')
| -rw-r--r-- | MdePkg/Library/GraphicsLib/Graphics.c | 917 |
1 files changed, 917 insertions, 0 deletions
diff --git a/MdePkg/Library/GraphicsLib/Graphics.c b/MdePkg/Library/GraphicsLib/Graphics.c new file mode 100644 index 0000000000..75aa91dc6c --- /dev/null +++ b/MdePkg/Library/GraphicsLib/Graphics.c @@ -0,0 +1,917 @@ +/** @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/DxePiLib.h>
+#include <Library/PcdLib.h>
+
+STATIC EFI_GRAPHICS_OUTPUT_BLT_PIXEL mEfiColors[16] = {
+ { 0x00, 0x00, 0x00, 0x00 },
+ { 0x98, 0x00, 0x00, 0x00 },
+ { 0x00, 0x98, 0x00, 0x00 },
+ { 0x98, 0x98, 0x00, 0x00 },
+ { 0x00, 0x00, 0x98, 0x00 },
+ { 0x98, 0x00, 0x98, 0x00 },
+ { 0x00, 0x98, 0x98, 0x00 },
+ { 0x98, 0x98, 0x98, 0x00 },
+ { 0x10, 0x10, 0x10, 0x00 },
+ { 0xff, 0x10, 0x10, 0x00 },
+ { 0x10, 0xff, 0x10, 0x00 },
+ { 0xff, 0xff, 0x10, 0x00 },
+ { 0x10, 0x10, 0xff, 0x00 },
+ { 0xf0, 0x10, 0xff, 0x00 },
+ { 0x10, 0xff, 0xff, 0x00 },
+ { 0xff, 0xff, 0xff, 0x00 }
+};
+
+
+/**
+ Return the graphics image file named FileNameGuid into Image and return it's
+ size in ImageSize. All Firmware Volumes (FV) in the system are searched for the
+ file name.
+
+ @param FileNameGuid File Name of graphics file in the FV(s).
+ @param Image Pointer to pointer to return graphics image. If NULL, a
+ buffer will be allocated.
+ @param ImageSize Size of the graphics Image in bytes. Zero if no image found.
+
+ @retval EFI_SUCCESS Image and ImageSize are valid.
+ @retval EFI_BUFFER_TOO_SMALL Image not big enough. ImageSize has required size
+ @retval EFI_NOT_FOUND FileNameGuid not found
+
+**/
+EFI_STATUS
+EFIAPI
+GetGraphicsBitMapFromFV (
+ IN EFI_GUID *FileNameGuid,
+ OUT VOID **Image,
+ OUT UINTN *ImageSize
+ )
+{
+ return GetGraphicsBitMapFromFVEx (NULL, FileNameGuid, Image, ImageSize);
+}
+
+/**
+ Return the graphics image file named FileNameGuid into Image and return it's
+ size in ImageSize. All Firmware Volumes (FV) in the system are searched for the
+ file name.
+
+ @param ImageHandle The driver image handle of the caller. The parameter is used to
+ optimize the loading of the image file so that the FV from which
+ the driver image is loaded will be tried first.
+ @param FileNameGuid File Name of graphics file in the FV(s).
+ @param Image Pointer to pointer to return graphics image. If NULL, a
+ buffer will be allocated.
+ @param ImageSize Size of the graphics Image in bytes. Zero if no image found.
+
+ @retval EFI_SUCCESS Image and ImageSize are valid.
+ @retval EFI_BUFFER_TOO_SMALL Image not big enough. ImageSize has required size
+ @retval EFI_NOT_FOUND FileNameGuid not found
+
+**/
+EFI_STATUS
+EFIAPI
+GetGraphicsBitMapFromFVEx (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_GUID *FileNameGuid,
+ OUT VOID **Image,
+ OUT UINTN *ImageSize
+ )
+{
+ return PiLibGetSectionFromAnyFv (
+ FileNameGuid,
+ EFI_SECTION_RAW,
+ 0,
+ Image,
+ ImageSize
+ );
+}
+
+/**
+ 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) {
+ SafeFreePool (ImageData);
+ continue;
+ }
+ } else {
+ //
+ // Get the specified image from FV.
+ //
+ Status = GetGraphicsBitMapFromFVEx (ImageHandle, LogoFile, (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)) {
+ SafeFreePool (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;
+ }
+ }
+
+ SafeFreePool (ImageData);
+ SafeFreePool (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);
+}
+
+/**
+ Internal display string worker function.
+
+ @param GraphicsOutput Graphics output protocol interface.
+ @param UgaDraw UGA draw protocol interface.
+ @param Sto Simple text out protocol interface.
+ @param X X coordinate to start printing.
+ @param Y Y coordinate to start printing.
+ @param Foreground Foreground color.
+ @param Background Background color.
+ @param fmt Format string.
+ @param args Print arguments.
+
+ @return Number of Characters printed. Zero means no any character
+ displayed successfully.
+
+**/
+UINTN
+Print (
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,
+ IN EFI_UGA_DRAW_PROTOCOL *UgaDraw,
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Sto,
+ IN UINTN X,
+ IN UINTN Y,
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Foreground,
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Background,
+ IN CHAR16 *fmt,
+ IN VA_LIST args
+ )
+{
+ VOID *Buffer;
+ EFI_STATUS Status;
+ UINTN Index;
+ CHAR16 *UnicodeWeight;
+ UINT32 HorizontalResolution;
+ UINT32 VerticalResolution;
+ UINT32 ColorDepth;
+ UINT32 RefreshRate;
+ UINTN BufferLen;
+ UINTN LineBufferLen;
+ EFI_HII_FONT_PROTOCOL *HiiFont;
+ EFI_IMAGE_OUTPUT *Blt;
+ EFI_FONT_DISPLAY_INFO *FontInfo;
+ EFI_HII_ROW_INFO *RowInfoArray;
+ UINTN RowInfoArraySize;
+ UINTN PrintNum;
+
+ //
+ // For now, allocate an arbitrarily long buffer
+ //
+ Buffer = AllocateZeroPool (0x10000);
+ if (Buffer == NULL) {
+ return 0;
+ }
+
+ HorizontalResolution = 0;
+ VerticalResolution = 0;
+ Blt = NULL;
+ FontInfo = NULL;
+ PrintNum = 0;
+
+ if (GraphicsOutput != NULL) {
+ HorizontalResolution = GraphicsOutput->Mode->Info->HorizontalResolution;
+ VerticalResolution = GraphicsOutput->Mode->Info->VerticalResolution;
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ UgaDraw->GetMode (UgaDraw, &HorizontalResolution, &VerticalResolution, &ColorDepth, &RefreshRate);
+ } else {
+ Status = EFI_UNSUPPORTED;
+ goto Error;
+ }
+
+ ASSERT ((HorizontalResolution != 0) && (VerticalResolution !=0));
+
+ Status = gBS->LocateProtocol (&gEfiHiiFontProtocolGuid, NULL, (VOID **) &HiiFont);
+ if (EFI_ERROR (Status)) {
+ goto Error;
+ }
+
+ PrintNum = UnicodeVSPrint (Buffer, 0x10000, fmt, args);
+
+ UnicodeWeight = (CHAR16 *) Buffer;
+
+ for (Index = 0; UnicodeWeight[Index] != 0; Index++) {
+ if (UnicodeWeight[Index] == CHAR_BACKSPACE ||
+ UnicodeWeight[Index] == CHAR_LINEFEED ||
+ UnicodeWeight[Index] == CHAR_CARRIAGE_RETURN) {
+ UnicodeWeight[Index] = 0;
+ }
+ }
+
+ BufferLen = StrLen (Buffer);
+
+ LineBufferLen = sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * HorizontalResolution * EFI_GLYPH_HEIGHT;
+ if (EFI_GLYPH_WIDTH * EFI_GLYPH_HEIGHT * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * BufferLen > LineBufferLen) {
+ Status = EFI_INVALID_PARAMETER;
+ goto Error;
+ }
+
+ Blt = (EFI_IMAGE_OUTPUT *) AllocateZeroPool (sizeof (EFI_IMAGE_OUTPUT));
+ if (Blt == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Error;
+ }
+
+ Blt->Width = (UINT16) (HorizontalResolution);
+ Blt->Height = (UINT16) (VerticalResolution);
+
+ FontInfo = (EFI_FONT_DISPLAY_INFO *) AllocateZeroPool (sizeof (EFI_FONT_DISPLAY_INFO));
+ if (FontInfo == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Error;
+ }
+ if (Foreground != NULL) {
+ CopyMem (&FontInfo->ForegroundColor, Foreground, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+ } else {
+ CopyMem (
+ &FontInfo->ForegroundColor,
+ &mEfiColors[Sto->Mode->Attribute & 0x0f],
+ sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
+ );
+ }
+ if (Background != NULL) {
+ CopyMem (&FontInfo->BackgroundColor, Background, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+ } else {
+ CopyMem (
+ &FontInfo->BackgroundColor,
+ &mEfiColors[Sto->Mode->Attribute >> 4],
+ sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
+ );
+ }
+
+ if (GraphicsOutput != NULL) {
+ Blt->Image.Screen = GraphicsOutput;
+
+ Status = HiiFont->StringToImage (
+ HiiFont,
+ EFI_HII_IGNORE_IF_NO_GLYPH | EFI_HII_DIRECT_TO_SCREEN,
+ Buffer,
+ FontInfo,
+ &Blt,
+ X,
+ Y,
+ NULL,
+ NULL,
+ NULL
+ );
+
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ ASSERT (UgaDraw!= NULL);
+
+ Blt->Image.Bitmap = AllocateZeroPool (Blt->Width * Blt->Height * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+ if (Blt->Image.Bitmap == NULL) {
+ SafeFreePool (Blt);
+ SafeFreePool (Buffer);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ RowInfoArray = NULL;
+ //
+ // StringToImage only support blt'ing image to device using GOP protocol. If GOP is not supported in this platform,
+ // we ask StringToImage to print the string to blt buffer, then blt to device using UgaDraw.
+ //
+ Status = HiiFont->StringToImage (
+ HiiFont,
+ EFI_HII_IGNORE_IF_NO_GLYPH,
+ Buffer,
+ FontInfo,
+ &Blt,
+ X,
+ Y,
+ &RowInfoArray,
+ &RowInfoArraySize,
+ NULL
+ );
+
+ if (!EFI_ERROR (Status)) {
+ //
+ // Line breaks are handled by caller of DrawUnicodeWeightAtCursorN, so the updated parameter RowInfoArraySize by StringToImage will
+ // always be 1 or 0 (if there is no valid Unicode Char can be printed). ASSERT here to make sure.
+ //
+ ASSERT (RowInfoArraySize <= 1);
+
+ Status = UgaDraw->Blt (
+ UgaDraw,
+ (EFI_UGA_PIXEL *) Blt->Image.Bitmap,
+ EfiUgaBltBufferToVideo,
+ X,
+ Y,
+ X,
+ Y,
+ RowInfoArray[0].LineWidth,
+ RowInfoArray[0].LineHeight,
+ Blt->Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
+ );
+ }
+
+ SafeFreePool (RowInfoArray);
+ SafeFreePool (Blt->Image.Bitmap);
+ } else {
+ Status = EFI_UNSUPPORTED;
+ }
+
+Error:
+ SafeFreePool (Blt);
+ SafeFreePool (FontInfo);
+ FreePool (Buffer);
+
+ if (EFI_ERROR (Status)) {
+ return PrintNum;
+ } else {
+ return 0;
+ }
+}
+
+/**
+ Print Unicode string to graphics screen at the given X,Y coordinates of the graphics screen.
+ see definition of Print to find rules for constructing Fmt.
+
+ @param X Row to start printing at.
+ @param Y Column to start printing at.
+ @param ForeGround Foreground color.
+ @param BackGround background color.
+ @param Fmt Print format sting. See definition of Print.
+ @param ... Argumnet stream defined by Fmt string.
+
+ @return Number of Characters printed. Zero means no any character
+ displayed successfully.
+
+**/
+UINTN
+EFIAPI
+PrintXY (
+ IN UINTN X,
+ IN UINTN Y,
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *ForeGround, OPTIONAL
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BackGround, OPTIONAL
+ IN CHAR16 *Fmt,
+ ...
+ )
+{
+ EFI_HANDLE Handle;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
+ EFI_UGA_DRAW_PROTOCOL *UgaDraw;
+ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Sto;
+ EFI_STATUS Status;
+ VA_LIST Args;
+
+ VA_START (Args, Fmt);
+
+ Handle = gST->ConsoleOutHandle;
+
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiGraphicsOutputProtocolGuid,
+ (VOID **) &GraphicsOutput
+ );
+
+ UgaDraw = NULL;
+ if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {
+ //
+ // If no GOP available, try to open UGA Draw protocol if supported.
+ //
+ GraphicsOutput = NULL;
+
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiUgaDrawProtocolGuid,
+ (VOID **) &UgaDraw
+ );
+ }
+ if (EFI_ERROR (Status)) {
+ return 0;
+ }
+
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiSimpleTextOutProtocolGuid,
+ (VOID **) &Sto
+ );
+
+ if (EFI_ERROR (Status)) {
+ return 0;
+ }
+
+ return Print (GraphicsOutput, UgaDraw, Sto, X, Y, ForeGround, BackGround, Fmt, Args);
+}
+
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