Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni <ruiyu...@intel.com> Cc: Feng Tian <feng.t...@intel.com> --- .../BmpImageDecoderLib/BmpImageDecoderLib.c | 272 +++++++++++++++++++++ .../BmpImageDecoderLib/BmpImageDecoderLib.inf | 42 ++++ MdeModulePkg/MdeModulePkg.dsc | 1 + 3 files changed, 315 insertions(+) create mode 100644 MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.c create mode 100644 MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.inf
diff --git a/MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.c b/MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.c new file mode 100644 index 0000000..86dcc91 --- /dev/null +++ b/MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.c @@ -0,0 +1,272 @@ +/** @file + This library provides BMP image decoding capability. + +Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR> +This program and the accompanying materials are licensed and made available under +the terms and conditions of the BSD License that 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 <Uefi.h> +#include <IndustryStandard/Bmp.h> +#include <Protocol/GraphicsOutput.h> +#include <Library/BaseLib.h> +#include <Library/MemoryAllocationLib.h> +#include <Library/DebugLib.h> +#include <Library/ImageDecoderLib.h> + +/** + Convert a *.BMP graphics image to a callee allocated GOP blt buffer. + + @param ImageFormat Format of the image file. + @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_INVALID_PARAMETER GopBlt or GopBltSize is NULL. + @retval EFI_UNSUPPORTED BmpImage is not a valid *.BMP image + @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate. + +**/ +EFI_STATUS +EFIAPI +BmpImageDecoderLibConvertBmpToGopBlt ( + IN IMAGE_FORMAT ImageFormat, + IN UINT8 *BmpImage, + IN UINTN BmpImageSize, + OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL **GopBlt, + OUT UINTN *GopBltSize, + OUT UINTN *PixelWidth, + OUT UINTN *PixelHeight + ) +{ + UINT8 *Image; + UINT8 *ImageHeader; + BMP_IMAGE_HEADER *BmpHeader; + BMP_COLOR_MAP *BmpColorMap; + EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer; + EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt; + UINT64 BltBufferSize; + UINTN Index; + UINTN Height; + UINTN Width; + UINTN ImageIndex; + UINT32 DataSizePerLine; + UINT32 ColorMapNum; + + ASSERT ((GopBlt != NULL) && (GopBltSize != NULL)); + + if (ImageFormat != ImageFormatBmp) { + return EFI_UNSUPPORTED; + } + + if (sizeof (BMP_IMAGE_HEADER) > BmpImageSize) { + return EFI_UNSUPPORTED; + } + + 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; + } + + // + // Only support BITMAPINFOHEADER format. + // BITMAPFILEHEADER + BITMAPINFOHEADER = BMP_IMAGE_HEADER + // + if (BmpHeader->HeaderSize != sizeof (BMP_IMAGE_HEADER) - OFFSET_OF(BMP_IMAGE_HEADER, HeaderSize)) { + return EFI_UNSUPPORTED; + } + + // + // The data size in each line must be 4 byte alignment. + // + DataSizePerLine = ((BmpHeader->PixelWidth * BmpHeader->BitPerPixel + 31) >> 3) & (~0x3); + BltBufferSize = MultU64x32 (DataSizePerLine, BmpHeader->PixelHeight); + if (BltBufferSize > (UINT32) ~0) { + return EFI_INVALID_PARAMETER; + } + + if ((BmpHeader->Size != BmpImageSize) || + (BmpHeader->Size < BmpHeader->ImageOffset) || + (BmpHeader->Size - BmpHeader->ImageOffset != BmpHeader->PixelHeight * DataSizePerLine)) { + return EFI_INVALID_PARAMETER; + } + + // + // Calculate Color Map offset in the image. + // + Image = BmpImage; + BmpColorMap = (BMP_COLOR_MAP *) (Image + sizeof (BMP_IMAGE_HEADER)); + if (BmpHeader->ImageOffset < sizeof (BMP_IMAGE_HEADER)) { + return EFI_INVALID_PARAMETER; + } + + if (BmpHeader->ImageOffset > sizeof (BMP_IMAGE_HEADER)) { + switch (BmpHeader->BitPerPixel) { + case 1: + ColorMapNum = 2; + break; + case 4: + ColorMapNum = 16; + break; + case 8: + ColorMapNum = 256; + break; + default: + ColorMapNum = 0; + break; + } + // + // BMP file may has padding data between the bmp header section and the bmp data section. + // + if (BmpHeader->ImageOffset - sizeof (BMP_IMAGE_HEADER) < sizeof (BMP_COLOR_MAP) * ColorMapNum) { + return EFI_INVALID_PARAMETER; + } + } + + // + // Calculate graphics image data address in the image + // + Image = ((UINT8 *) BmpImage) + BmpHeader->ImageOffset; + ImageHeader = Image; + + // + // Calculate the BltBuffer needed size. + // + BltBufferSize = MultU64x32 ((UINT64) BmpHeader->PixelWidth, BmpHeader->PixelHeight); + // + // Ensure the BltBufferSize * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) doesn't overflow + // + if (BltBufferSize > DivU64x32 ((UINTN) ~0, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL))) { + return EFI_UNSUPPORTED; + } + BltBufferSize = MultU64x32 (BltBufferSize, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); + + *GopBltSize = (UINTN) BltBufferSize; + *GopBlt = AllocatePool (*GopBltSize); + if (*GopBlt == NULL) { + return EFI_OUT_OF_RESOURCES; + } + + *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. + // + 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; +} + +/** + Initialize BmpImageDecoderLib library. + + @param ImageHandle The image handle. + @param SystemTable The system table. + + @retval EFI_SUCCESS The BmpImageDecoderLib library is initialized correctly. + @return Other value if failed to initialize the BmpImageDecoderLib library. +**/ +EFI_STATUS +EFIAPI +BmpImageDecoderLibConstructor ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable +) +{ + RegisterImageDecoder (BmpImageDecoderLibConvertBmpToGopBlt); + return EFI_SUCCESS; +} + diff --git a/MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.inf b/MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.inf new file mode 100644 index 0000000..2d1c160 --- /dev/null +++ b/MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.inf @@ -0,0 +1,42 @@ +## @file +# This library provides BMP image decoding capability. +# +# Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR> +# This program and the accompanying materials are licensed and made available under +# the terms and conditions of the BSD License that 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. +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = BmpImageDecoderLib + FILE_GUID = DF414223-F17C-4022-A1F4-4062612AB00D + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + LIBRARY_CLASS = NULL|DXE_DRIVER UEFI_APPLICATION + CONSTRUCTOR = BmpImageDecoderLibConstructor + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IA32 X64 IPF EBC +# + +[Sources] + BmpImageDecoderLib.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + +[LibraryClasses] + BaseLib + MemoryAllocationLib + BaseMemoryLib + DebugLib + ImageDecoderLib \ No newline at end of file diff --git a/MdeModulePkg/MdeModulePkg.dsc b/MdeModulePkg/MdeModulePkg.dsc index 20af2d4..5e3d876 100644 --- a/MdeModulePkg/MdeModulePkg.dsc +++ b/MdeModulePkg/MdeModulePkg.dsc @@ -278,6 +278,7 @@ MdeModulePkg/Library/UefiBootManagerLib/UefiBootManagerLib.inf MdeModulePkg/Library/PlatformBootManagerLibNull/PlatformBootManagerLibNull.inf MdeModulePkg/Library/ImageDecoderLib/ImageDecoderLib.inf + MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.inf MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.inf MdeModulePkg/Library/AuthVariableLibNull/AuthVariableLibNull.inf MdeModulePkg/Library/VarCheckLib/VarCheckLib.inf -- 1.9.5.msysgit.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
