/** @file
Implementation for EFI_HII_IMAGE_EX_PROTOCOL.


Copyright (c) 2016, 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
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 "HiiDatabase.h"

/**
  The prototype of this extension function is the same with EFI_HII_IMAGE_PROTOCOL.NewImage().
  This protocol invokes EFI_HII_IMAGE_PROTOCOL.NewImage() implicitly.

  @param  This                   A pointer to the EFI_HII_IMAGE_EX_PROTOCOL instance.
  @param  PackageList            Handle of the package list where this image will
                                 be added.
  @param  ImageId                On return, contains the new image id, which is
                                 unique within PackageList.
  @param  Image                  Points to the image.

  @retval EFI_SUCCESS            The new image was added successfully.
  @retval EFI_NOT_FOUND          The PackageList could not be found.
  @retval EFI_OUT_OF_RESOURCES   Could not add the image due to lack of resources.
  @retval EFI_INVALID_PARAMETER  Image is NULL or ImageId is NULL.
**/
EFI_STATUS
EFIAPI
HiiNewImageEx (
  IN  CONST EFI_HII_IMAGE_EX_PROTOCOL *This,
  IN  EFI_HII_HANDLE                  PackageList,
  OUT EFI_IMAGE_ID                    *ImageId,
  IN  CONST EFI_IMAGE_INPUT           *Image
  )
{
  HII_DATABASE_PRIVATE_DATA           *Private;

  Private = HII_IMAGE_EX_DATABASE_PRIVATE_DATA_FROM_THIS (This);
  return HiiNewImage (&Private->HiiImage, PackageList, ImageId, Image);
}

/**
  Return the information about the image, associated with the package list.
  The prototype of this extension function is the same with EFI_HII_IMAGE_PROTOCOL.GetImage().

  This function is similar to EFI_HII_IMAGE_PROTOCOL.GetImage().The difference is that
  this function will locate all EFI_HII_IMAGE_DECODER_PROTOCOL instances installed in the
  system if the decoder of the certain image type is not supported by the
  EFI_HII_IMAGE_EX_PROTOCOL. The function will attempt to decode the image to the
  EFI_IMAGE_INPUT using the first EFI_HII_IMAGE_DECODER_PROTOCOL instance that
  supports the requested image type.

  @param  This                   A pointer to the EFI_HII_IMAGE_EX_PROTOCOL instance.
  @param  PackageList            The package list in the HII database to search for the
                                 specified image.
  @param  ImageId                The image's id, which is unique within PackageList.
  @param  Image                  Points to the image.

  @retval EFI_SUCCESS            The new image was returned successfully.
  @retval EFI_NOT_FOUND          The image specified by ImageId is not available. The specified
                                 PackageList is not in the Database.
  @retval EFI_INVALID_PARAMETER  Image was NULL or ImageId was 0.
  @retval EFI_OUT_OF_RESOURCES   The bitmap could not be retrieved because there
                                 was not enough memory.

**/
EFI_STATUS
EFIAPI
HiiGetImageEx (
  IN  CONST EFI_HII_IMAGE_EX_PROTOCOL *This,
  IN  EFI_HII_HANDLE                  PackageList,
  IN  EFI_IMAGE_ID                    ImageId,
  OUT EFI_IMAGE_INPUT                 *Image
  )
{
  HII_DATABASE_PRIVATE_DATA           *Private;

  Private = HII_IMAGE_EX_DATABASE_PRIVATE_DATA_FROM_THIS (This);
  return IGetImage (&Private->DatabaseList, PackageList, ImageId, Image, FALSE);
}


/**
  Change the information about the image.

  Same with EFI_HII_IMAGE_PROTOCOL.SetImage(),this protocol invokes
  EFI_HII_IMAGE_PROTOCOL.SetImage()implicitly.

  @param  This                   A pointer to the EFI_HII_IMAGE_EX_PROTOCOL instance.
  @param  PackageList            The package list containing the images.
  @param  ImageId                The image's id, which is unique within PackageList.
  @param  Image                  Points to the image.

  @retval EFI_SUCCESS            The new image was successfully updated.
  @retval EFI_NOT_FOUND          The image specified by ImageId is not in the
                                 database. The specified PackageList is not in
                                 the database.
  @retval EFI_INVALID_PARAMETER  The Image was NULL, the ImageId was 0 or
                                 the Image->Bitmap was NULL.

**/
EFI_STATUS
EFIAPI
HiiSetImageEx (
  IN CONST EFI_HII_IMAGE_EX_PROTOCOL *This,
  IN EFI_HII_HANDLE                  PackageList,
  IN EFI_IMAGE_ID                    ImageId,
  IN CONST EFI_IMAGE_INPUT           *Image
  )
{
  HII_DATABASE_PRIVATE_DATA           *Private;
  Private = HII_IMAGE_EX_DATABASE_PRIVATE_DATA_FROM_THIS (This);
  return HiiSetImage (&Private->HiiImage, PackageList, ImageId, Image);
}


/**
  Renders an image to a bitmap or to the display.

  The prototype of this extension function is the same with
  EFI_HII_IMAGE_PROTOCOL.DrawImage(). This protocol invokes
  EFI_HII_IMAGE_PROTOCOL.DrawImage() implicitly.

  @param  This                   A pointer to the EFI_HII_IMAGE_EX_PROTOCOL instance.
  @param  Flags                  Describes how the image is to be drawn.
  @param  Image                  Points to the image to be displayed.
  @param  Blt                    If this points to a non-NULL on entry, this points
                                 to the image, which is Width pixels wide and
                                 Height pixels high.  The image will be drawn onto
                                 this image and  EFI_HII_DRAW_FLAG_CLIP is implied.
                                 If this points to a NULL on entry, then a buffer
                                 will be allocated to hold the generated image and
                                 the pointer updated on exit. It is the caller's
                                 responsibility to free this buffer.
  @param  BltX                   Specifies the offset from the left and top edge of
                                 the output image of the first pixel in the image.
  @param  BltY                   Specifies the offset from the left and top edge of
                                 the output image of the first pixel in the image.

  @retval EFI_SUCCESS            The image was successfully drawn.
  @retval EFI_OUT_OF_RESOURCES   Unable to allocate an output buffer for Blt.
  @retval EFI_INVALID_PARAMETER  The Image or Blt was NULL.

**/
EFI_STATUS
EFIAPI
HiiDrawImageEx (
  IN CONST EFI_HII_IMAGE_EX_PROTOCOL *This,
  IN EFI_HII_DRAW_FLAGS              Flags,
  IN CONST EFI_IMAGE_INPUT           *Image,
  IN OUT EFI_IMAGE_OUTPUT            **Blt,
  IN UINTN                           BltX,
  IN UINTN                           BltY
  )
{
  HII_DATABASE_PRIVATE_DATA           *Private;
  Private = HII_IMAGE_EX_DATABASE_PRIVATE_DATA_FROM_THIS (This);
  return HiiDrawImage (&Private->HiiImage, Flags, Image, Blt, BltX, BltY);
}


/**
  Renders an image to a bitmap or the screen containing the contents of the specified
  image.

  This function is similar to EFI_HII_IMAGE_PROTOCOL.DrawImageId(). The difference is that
  this function will locate all EFI_HII_IMAGE_DECODER_PROTOCOL instances installed in the
  system if the decoder of the certain image type is not supported by the
  EFI_HII_IMAGE_EX_PROTOCOL. The function will attempt to decode the image to the
  EFI_IMAGE_INPUT using the first EFI_HII_IMAGE_DECODER_PROTOCOL instance that
  supports the requested image type.

  @param  This                   A pointer to the EFI_HII_IMAGE_EX_PROTOCOL instance.
  @param  Flags                  Describes how the image is to be drawn.
  @param  PackageList            The package list in the HII database to search for
                                 the  specified image.
  @param  ImageId                The image's id, which is unique within PackageList.
  @param  Blt                    If this points to a non-NULL on entry, this points
                                 to the image, which is Width pixels wide and
                                 Height pixels high. The image will be drawn onto
                                 this image and EFI_HII_DRAW_FLAG_CLIP is implied.
                                 If this points to a NULL on entry, then a buffer
                                 will be allocated to hold  the generated image
                                 and the pointer updated on exit. It is the caller's
                                 responsibility to free this buffer.
  @param  BltX                   Specifies the offset from the left and top edge of
                                 the output image of the first pixel in the image.
  @param  BltY                   Specifies the offset from the left and top edge of
                                 the output image of the first pixel in the image.

  @retval EFI_SUCCESS            The image was successfully drawn.
  @retval EFI_OUT_OF_RESOURCES   Unable to allocate an output buffer for Blt.
  @retval EFI_INVALID_PARAMETER  The Blt was NULL or ImageId was 0.
  @retval EFI_NOT_FOUND          The image specified by ImageId is not in the database.
                                 The specified PackageList is not in the database.

**/
EFI_STATUS
EFIAPI
HiiDrawImageIdEx (
  IN CONST EFI_HII_IMAGE_EX_PROTOCOL *This,
  IN EFI_HII_DRAW_FLAGS              Flags,
  IN EFI_HII_HANDLE                  PackageList,
  IN EFI_IMAGE_ID                    ImageId,
  IN OUT EFI_IMAGE_OUTPUT            **Blt,
  IN UINTN                           BltX,
  IN UINTN                           BltY
  )
{
  EFI_STATUS                          Status;
  EFI_IMAGE_INPUT                     Image;

  //
  // Check input parameter.
  //
  if (This == NULL || Blt == NULL) {
    return EFI_INVALID_PARAMETER;
  }

  //
  // Get the specified Image.
  //
  Status = HiiGetImageEx (This, PackageList, ImageId, &Image);
  if (EFI_ERROR (Status)) {
    return Status;
  }

  //
  // Draw this image.
  //
  Status = HiiDrawImageEx (This, Flags, &Image, Blt, BltX, BltY);
  if (Image.Bitmap != NULL) {
    FreePool (Image.Bitmap);
  }
  return Status;
}

/**
  Return the first HII image decoder instance which supports the DecoderName.

  @param BlockType  The image block type.

  @retval Pointer to the HII image decoder instance.
**/
EFI_HII_IMAGE_DECODER_PROTOCOL *
LocateHiiImageDecoder (
  UINT8                          BlockType
  )
{
  EFI_STATUS                     Status;
  EFI_HII_IMAGE_DECODER_PROTOCOL *Decoder;
  EFI_HANDLE                     *Handles;
  UINTN                          HandleNum;
  UINTN                          Index;
  EFI_GUID                       *DecoderNames;
  UINT16                         NumberOfDecoderName;
  UINT16                         DecoderNameIndex;
  EFI_GUID                       *DecoderName;

  switch (BlockType) {
  case EFI_HII_IIBT_IMAGE_JPEG:
    DecoderName = &gEfiHiiImageDecoderNameJpegGuid;
    break;

  case EFI_HII_IIBT_IMAGE_PNG:
    DecoderName = &gEfiHiiImageDecoderNamePngGuid;
    break;

  default:
    ASSERT (FALSE);
    return NULL;
  }

  Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiHiiImageDecoderProtocolGuid, NULL, &HandleNum, &Handles);
  if (EFI_ERROR (Status)) {
    return NULL;
  }
  for (Index = 0; Index < HandleNum; Index++) {
    Status = gBS->HandleProtocol (Handles[Index], &gEfiHiiImageDecoderProtocolGuid, (VOID **) &Decoder);
    if (EFI_ERROR (Status)) {
      continue;
    }

    Status = Decoder->GetImageDecoderName (Decoder, &DecoderNames, &NumberOfDecoderName);
    if (EFI_ERROR (Status)) {
      continue;
    }
    for (DecoderNameIndex = 0; DecoderNameIndex < NumberOfDecoderName; DecoderNameIndex++) {
      if (CompareGuid (DecoderName, &DecoderNames[DecoderNameIndex])) {
        return Decoder;
      }
    }
  }

  return NULL;
}

/**
  This function returns the image information to EFI_IMAGE_OUTPUT. Only the width
  and height are returned to the EFI_IMAGE_OUTPUT instead of decoding the image
  to the buffer. This function is used to get the geometry of the image. This function
  will try to locate all of the EFI_HII_IMAGE_DECODER_PROTOCOL installed on the
  system if the decoder of image type is not supported by the EFI_HII_IMAGE_EX_PROTOCOL.

  @param  This                   A pointer to the EFI_HII_IMAGE_EX_PROTOCOL instance.
  @param  PackageList            Handle of the package list where this image will
                                 be searched.
  @param  ImageId                The image's id, which is unique within PackageList.
  @param  Image                  Points to the image.

  @retval EFI_SUCCESS            The new image was returned successfully.
  @retval EFI_NOT_FOUND          The image specified by ImageId is not in the
                                 database. The specified PackageList is not in the database.
  @retval EFI_BUFFER_TOO_SMALL   The buffer specified by ImageSize is too small to
                                 hold the image.
  @retval EFI_INVALID_PARAMETER  The Image was NULL or the ImageId was 0.
  @retval EFI_OUT_OF_RESOURCES   The bitmap could not be retrieved because there
                                 was not enough memory.

**/
EFI_STATUS
EFIAPI
HiiGetImageInfo (
  IN CONST  EFI_HII_IMAGE_EX_PROTOCOL       *This,
  IN        EFI_HII_HANDLE                  PackageList,
  IN        EFI_IMAGE_ID                    ImageId,
  OUT       EFI_IMAGE_OUTPUT                *Image
  )
{
  EFI_STATUS                              Status;
  HII_DATABASE_PRIVATE_DATA               *Private;
  HII_DATABASE_PACKAGE_LIST_INSTANCE      *PackageListNode;
  HII_IMAGE_PACKAGE_INSTANCE              *ImagePackage;
  EFI_HII_IMAGE_BLOCK                     *CurrentImageBlock;
  EFI_HII_IMAGE_DECODER_PROTOCOL          *Decoder;
  EFI_HII_IMAGE_DECODER_IMAGE_INFO_HEADER *ImageInfo;

  if (Image == NULL || ImageId == 0) {
    return EFI_INVALID_PARAMETER;
  }

  Private = HII_IMAGE_EX_DATABASE_PRIVATE_DATA_FROM_THIS (This);
  PackageListNode = LocatePackageList (&Private->DatabaseList, PackageList);
  if (PackageListNode == NULL) {
    return EFI_NOT_FOUND;
  }
  ImagePackage = PackageListNode->ImagePkg;
  if (ImagePackage == NULL) {
    return EFI_NOT_FOUND;
  }

  //
  // Find the image block specified by ImageId
  //
  CurrentImageBlock = GetImageIdOrAddress (ImagePackage->ImageBlock, &ImageId);
  if (CurrentImageBlock == NULL) {
    return EFI_NOT_FOUND;
  }

  switch (CurrentImageBlock->BlockType) {
  case EFI_HII_IIBT_IMAGE_JPEG:
  case EFI_HII_IIBT_IMAGE_PNG:
    Decoder = LocateHiiImageDecoder (CurrentImageBlock->BlockType);
    if (Decoder == NULL) {
      return EFI_UNSUPPORTED;
    }
    //
    // Use the common block code since the definition of two structures is the same.
    //
    ASSERT (OFFSET_OF (EFI_HII_IIBT_JPEG_BLOCK, Data) == OFFSET_OF (EFI_HII_IIBT_PNG_BLOCK, Data));
    ASSERT (sizeof (((EFI_HII_IIBT_JPEG_BLOCK *) CurrentImageBlock)->Data) ==
            sizeof (((EFI_HII_IIBT_PNG_BLOCK *) CurrentImageBlock)->Data));
    ASSERT (OFFSET_OF (EFI_HII_IIBT_JPEG_BLOCK, Size) == OFFSET_OF (EFI_HII_IIBT_PNG_BLOCK, Size));
    ASSERT (sizeof (((EFI_HII_IIBT_JPEG_BLOCK *) CurrentImageBlock)->Size) ==
            sizeof (((EFI_HII_IIBT_PNG_BLOCK *) CurrentImageBlock)->Size));
    Status = Decoder->GetImageInfo (
      Decoder,
      ((EFI_HII_IIBT_JPEG_BLOCK *) CurrentImageBlock)->Data,
      ((EFI_HII_IIBT_JPEG_BLOCK *) CurrentImageBlock)->Size,
      &ImageInfo
    );

    //
    // Spec requires to use the first capable image decoder instance.
    // The first image decoder instance may fail to decode the image.
    //
    if (!EFI_ERROR (Status)) {
      Image->Height = ImageInfo->ImageHeight;
      Image->Width = ImageInfo->ImageWidth;
      Image->Image.Bitmap = NULL;
      FreePool (ImageInfo);
    }
    return Status;

  case EFI_HII_IIBT_IMAGE_1BIT_TRANS:
  case EFI_HII_IIBT_IMAGE_4BIT_TRANS:
  case EFI_HII_IIBT_IMAGE_8BIT_TRANS:
  case EFI_HII_IIBT_IMAGE_1BIT:
  case EFI_HII_IIBT_IMAGE_4BIT:
  case EFI_HII_IIBT_IMAGE_8BIT:
    //
    // Use the common block code since the definition of these structures is the same.
    //
    Image->Width = ReadUnaligned16 (&((EFI_HII_IIBT_IMAGE_1BIT_BLOCK *) CurrentImageBlock)->Bitmap.Width);
    Image->Height = ReadUnaligned16 (&((EFI_HII_IIBT_IMAGE_1BIT_BLOCK *) CurrentImageBlock)->Bitmap.Height);
    Image->Image.Bitmap = NULL;
    return EFI_SUCCESS;

  case EFI_HII_IIBT_IMAGE_24BIT_TRANS:
  case EFI_HII_IIBT_IMAGE_24BIT:
    Image->Width = ReadUnaligned16 ((VOID *) &((EFI_HII_IIBT_IMAGE_24BIT_BLOCK *) CurrentImageBlock)->Bitmap.Width);
    Image->Height = ReadUnaligned16 ((VOID *) &((EFI_HII_IIBT_IMAGE_24BIT_BLOCK *) CurrentImageBlock)->Bitmap.Height);
    Image->Image.Bitmap = NULL;
    return EFI_SUCCESS;

  default:
    return EFI_NOT_FOUND;
  }
}