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CloverBootloader/MdePkg/Include/Protocol/HiiFont.h
Sergey Isakov 7c0aa811ec initial commit Clover sources 5061 and modules from EDK2 latest with legacy codes from UDK2018 
Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>
2019-09-03 12:58:42 +03:00

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/** @file
The file provides services to retrieve font information.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Revision Reference:
This Protocol was introduced in UEFI Specification 2.1.
**/
#ifndef __HII_FONT_H__
#define __HII_FONT_H__
#include <Protocol/GraphicsOutput.h>
#include <Protocol/HiiImage.h>
#define EFI_HII_FONT_PROTOCOL_GUID \
{ 0xe9ca4775, 0x8657, 0x47fc, { 0x97, 0xe7, 0x7e, 0xd6, 0x5a, 0x8, 0x43, 0x24 } }
typedef struct _EFI_HII_FONT_PROTOCOL EFI_HII_FONT_PROTOCOL;
typedef VOID *EFI_FONT_HANDLE;
///
/// EFI_HII_OUT_FLAGS.
///
typedef UINT32 EFI_HII_OUT_FLAGS;
#define EFI_HII_OUT_FLAG_CLIP 0x00000001
#define EFI_HII_OUT_FLAG_WRAP 0x00000002
#define EFI_HII_OUT_FLAG_CLIP_CLEAN_Y 0x00000004
#define EFI_HII_OUT_FLAG_CLIP_CLEAN_X 0x00000008
#define EFI_HII_OUT_FLAG_TRANSPARENT 0x00000010
#define EFI_HII_IGNORE_IF_NO_GLYPH 0x00000020
#define EFI_HII_IGNORE_LINE_BREAK 0x00000040
#define EFI_HII_DIRECT_TO_SCREEN 0x00000080
/**
Definition of EFI_HII_ROW_INFO.
**/
typedef struct _EFI_HII_ROW_INFO {
///
/// The index of the first character in the string which is displayed on the line.
///
UINTN StartIndex;
///
/// The index of the last character in the string which is displayed on the line.
/// If this is the same as StartIndex, then no characters are displayed.
///
UINTN EndIndex;
UINTN LineHeight; ///< The height of the line, in pixels.
UINTN LineWidth; ///< The width of the text on the line, in pixels.
///
/// The font baseline offset in pixels from the bottom of the row, or 0 if none.
///
UINTN BaselineOffset;
} EFI_HII_ROW_INFO;
///
/// Font info flag. All flags (FONT, SIZE, STYLE, and COLOR) are defined.
/// They are defined as EFI_FONT_INFO_***
///
typedef UINT32 EFI_FONT_INFO_MASK;
#define EFI_FONT_INFO_SYS_FONT 0x00000001
#define EFI_FONT_INFO_SYS_SIZE 0x00000002
#define EFI_FONT_INFO_SYS_STYLE 0x00000004
#define EFI_FONT_INFO_SYS_FORE_COLOR 0x00000010
#define EFI_FONT_INFO_SYS_BACK_COLOR 0x00000020
#define EFI_FONT_INFO_RESIZE 0x00001000
#define EFI_FONT_INFO_RESTYLE 0x00002000
#define EFI_FONT_INFO_ANY_FONT 0x00010000
#define EFI_FONT_INFO_ANY_SIZE 0x00020000
#define EFI_FONT_INFO_ANY_STYLE 0x00040000
//
// EFI_FONT_INFO
//
typedef struct {
EFI_HII_FONT_STYLE FontStyle;
UINT16 FontSize; ///< character cell height in pixels
CHAR16 FontName[1];
} EFI_FONT_INFO;
/**
Describes font output-related information.
This structure is used for describing the way in which a string
should be rendered in a particular font. FontInfo specifies the
basic font information and ForegroundColor and BackgroundColor
specify the color in which they should be displayed. The flags
in FontInfoMask describe where the system default should be
supplied instead of the specified information. The flags also
describe what options can be used to make a match between the
font requested and the font available.
**/
typedef struct _EFI_FONT_DISPLAY_INFO {
EFI_GRAPHICS_OUTPUT_BLT_PIXEL ForegroundColor;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL BackgroundColor;
EFI_FONT_INFO_MASK FontInfoMask;
EFI_FONT_INFO FontInfo;
} EFI_FONT_DISPLAY_INFO;
/**
This function renders a string to a bitmap or the screen using
the specified font, color and options. It either draws the
string and glyphs on an existing bitmap, allocates a new bitmap,
or uses the screen. The strings can be clipped or wrapped.
Optionally, the function also returns the information about each
row and the character position on that row. If
EFI_HII_OUT_FLAG_CLIP is set, then text will be formatted only
based on explicit line breaks and all pixels which would lie
outside the bounding box specified by Width and Height are
ignored. The information in the RowInfoArray only describes
characters which are at least partially displayed. For the final
row, the LineHeight and BaseLine may describe pixels that are
outside the limit specified by Height (unless
EFI_HII_OUT_FLAG_CLIP_CLEAN_Y is specified) even though those
pixels were not drawn. The LineWidth may describe pixels which
are outside the limit specified by Width (unless
EFI_HII_OUT_FLAG_CLIP_CLEAN_X is specified) even though those
pixels were not drawn. If EFI_HII_OUT_FLAG_CLIP_CLEAN_X is set,
then it modifies the behavior of EFI_HII_OUT_FLAG_CLIP so that
if a character's right-most on pixel cannot fit, then it will
not be drawn at all. This flag requires that
EFI_HII_OUT_FLAG_CLIP be set. If EFI_HII_OUT_FLAG_CLIP_CLEAN_Y
is set, then it modifies the behavior of EFI_HII_OUT_FLAG_CLIP
so that if a row's bottom-most pixel cannot fit, then it will
not be drawn at all. This flag requires that
EFI_HII_OUT_FLAG_CLIP be set. If EFI_HII_OUT_FLAG_WRAP is set,
then text will be wrapped at the right-most line-break
opportunity prior to a character whose right-most extent would
exceed Width. If no line-break opportunity can be found, then
the text will behave as if EFI_HII_OUT_FLAG_CLIP_CLEAN_X is set.
This flag cannot be used with EFI_HII_OUT_FLAG_CLIP_CLEAN_X. If
EFI_HII_OUT_FLAG_TRANSPARENT is set, then BackgroundColor is
ignored and all 'off' pixels in the character's drawn
will use the pixel value from Blt. This flag cannot be used if
Blt is NULL upon entry. If EFI_HII_IGNORE_IF_NO_GLYPH is set,
then characters which have no glyphs are not drawn. Otherwise,
they are replaced with Unicode character code 0xFFFD (REPLACEMENT
CHARACTER). If EFI_HII_IGNORE_LINE_BREAK is set, then explicit
line break characters will be ignored. If
EFI_HII_DIRECT_TO_SCREEN is set, then the string will be written
directly to the output device specified by Screen. Otherwise the
string will be rendered to the bitmap specified by Bitmap.
@param This A pointer to the EFI_HII_FONT_PROTOCOL instance.
@param Flags Describes how the string is to be drawn.
@param String Points to the null-terminated string to be
@param StringInfo Points to the string output information,
including the color and font. If NULL, then
the string will be output in the default
system font and color.
@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 string will be drawn onto
this image and EFI_HII_OUT_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, BltY Specifies the offset from the left and top
edge of the image of the first character
cell in the image.
@param RowInfoArray If this is non-NULL on entry, then on
exit, this will point to an allocated buffer
containing row information and
RowInfoArraySize will be updated to contain
the number of elements. This array describes
the characters that were at least partially
drawn and the heights of the rows. It is the
caller's responsibility to free this buffer.
@param RowInfoArraySize If this is non-NULL on entry, then on
exit it contains the number of
elements in RowInfoArray.
@param ColumnInfoArray If this is non-NULL, then on return it
will be filled with the horizontal
offset for each character in the
string on the row where it is
displayed. Non-printing characters
will have the offset ~0. The caller is
responsible for allocating a buffer large
enough so that there is one entry for
each character in the string, not
including the null-terminator. It is
possible when character display is
normalized that some character cells
overlap.
@retval EFI_SUCCESS The string was successfully updated.
@retval EFI_OUT_OF_RESOURCES Unable to allocate an output buffer for RowInfoArray or Blt.
@retval EFI_INVALID_PARAMETER The String or Blt was NULL.
@retval EFI_INVALID_PARAMETER Flags were invalid combination.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HII_STRING_TO_IMAGE)(
IN CONST EFI_HII_FONT_PROTOCOL *This,
IN EFI_HII_OUT_FLAGS Flags,
IN CONST EFI_STRING String,
IN CONST EFI_FONT_DISPLAY_INFO *StringInfo,
IN OUT EFI_IMAGE_OUTPUT **Blt,
IN UINTN BltX,
IN UINTN BltY,
OUT EFI_HII_ROW_INFO **RowInfoArray OPTIONAL,
OUT UINTN *RowInfoArraySize OPTIONAL,
OUT UINTN *ColumnInfoArray OPTIONAL
);
/**
This function renders a string as a bitmap or to the screen
and can clip or wrap the string. The bitmap is either supplied
by the caller or allocated by the function. The
strings are drawn with the font, size and style specified and
can be drawn transparently or opaquely. The function can also
return information about each row and each character's
position on the row. If EFI_HII_OUT_FLAG_CLIP is set, then
text will be formatted based only on explicit line breaks, and
all pixels that would lie outside the bounding box specified
by Width and Height are ignored. The information in the
RowInfoArray only describes characters which are at least
partially displayed. For the final row, the LineHeight and
BaseLine may describe pixels which are outside the limit
specified by Height (unless EFI_HII_OUT_FLAG_CLIP_CLEAN_Y is
specified) even though those pixels were not drawn. If
EFI_HII_OUT_FLAG_CLIP_CLEAN_X is set, then it modifies the
behavior of EFI_HII_OUT_FLAG_CLIP so that if a character's
right-most on pixel cannot fit, then it will not be drawn at
all. This flag requires that EFI_HII_OUT_FLAG_CLIP be set. If
EFI_HII_OUT_FLAG_CLIP_CLEAN_Y is set, then it modifies the
behavior of EFI_HII_OUT_FLAG_CLIP so that if a row's bottom
most pixel cannot fit, then it will not be drawn at all. This
flag requires that EFI_HII_OUT_FLAG_CLIP be set. If
EFI_HII_OUT_FLAG_WRAP is set, then text will be wrapped at the
right-most line-break opportunity prior to a character whose
right-most extent would exceed Width. If no line-break
opportunity can be found, then the text will behave as if
EFI_HII_OUT_FLAG_CLIP_CLEAN_X is set. This flag cannot be used
with EFI_HII_OUT_FLAG_CLIP_CLEAN_X. If
EFI_HII_OUT_FLAG_TRANSPARENT is set, then BackgroundColor is
ignored and all off" pixels in the character's glyph will
use the pixel value from Blt. This flag cannot be used if Blt
is NULL upon entry. If EFI_HII_IGNORE_IF_NO_GLYPH is set, then
characters which have no glyphs are not drawn. Otherwise, they
are replaced with Unicode character code 0xFFFD (REPLACEMENT
CHARACTER). If EFI_HII_IGNORE_LINE_BREAK is set, then explicit
line break characters will be ignored. If
EFI_HII_DIRECT_TO_SCREEN is set, then the string will be
written directly to the output device specified by Screen.
Otherwise the string will be rendered to the bitmap specified
by Bitmap.
@param This A pointer to the EFI_HII_FONT_PROTOCOL instance.
@param Flags Describes how the string is to be drawn.
@param PackageList
The package list in the HII database to
search for the specified string.
@param StringId The string's id, which is unique within
PackageList.
@param Language Points to the language for the retrieved
string. If NULL, then the current system
language is used.
@param StringInfo Points to the string output information,
including the color and font. If NULL, then
the string will be output in the default
system font and color.
@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 string will be drawn onto
this image and EFI_HII_OUT_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, BltY Specifies the offset from the left and top
edge of the output image of the first
character cell in the image.
@param RowInfoArray If this is non-NULL on entry, then on
exit, this will point to an allocated
buffer containing row information and
RowInfoArraySize will be updated to
contain the number of elements. This array
describes the characters which were at
least partially drawn and the heights of
the rows. It is the caller's
responsibility to free this buffer.
@param RowInfoArraySize If this is non-NULL on entry, then on
exit it contains the number of
elements in RowInfoArray.
@param ColumnInfoArray If non-NULL, on return it is filled
with the horizontal offset for each
character in the string on the row
where it is displayed. Non-printing
characters will have the offset ~0.
The caller is responsible to allocate
a buffer large enough so that there is
one entry for each character in the
string, not including the
null-terminator. It is possible when
character display is normalized that
some character cells overlap.
@retval EFI_SUCCESS The string was successfully updated.
@retval EFI_OUT_OF_RESOURCES Unable to allocate an output
buffer for RowInfoArray or Blt.
@retval EFI_INVALID_PARAMETER The String, or Blt, or Height, or
Width was NULL.
@retval EFI_INVALID_PARAMETER The Blt or PackageList was NULL.
@retval EFI_INVALID_PARAMETER Flags were invalid combination.
@retval EFI_NOT_FOUND The specified PackageList is not in the Database,
or the stringid is not in the specified PackageList.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HII_STRING_ID_TO_IMAGE)(
IN CONST EFI_HII_FONT_PROTOCOL *This,
IN EFI_HII_OUT_FLAGS Flags,
IN EFI_HII_HANDLE PackageList,
IN EFI_STRING_ID StringId,
IN CONST CHAR8 *Language,
IN CONST EFI_FONT_DISPLAY_INFO *StringInfo OPTIONAL,
IN OUT EFI_IMAGE_OUTPUT **Blt,
IN UINTN BltX,
IN UINTN BltY,
OUT EFI_HII_ROW_INFO **RowInfoArray OPTIONAL,
OUT UINTN *RowInfoArraySize OPTIONAL,
OUT UINTN *ColumnInfoArray OPTIONAL
);
/**
Convert the glyph for a single character into a bitmap.
@param This A pointer to the EFI_HII_FONT_PROTOCOL instance.
@param Char The character to retrieve.
@param StringInfo Points to the string font and color
information or NULL if the string should use
the default system font and color.
@param Blt This must point to a NULL on entry. A buffer will
be allocated to hold the output and the pointer
updated on exit. It is the caller's responsibility
to free this buffer.
@param Baseline The number of pixels from the bottom of the bitmap
to the baseline.
@retval EFI_SUCCESS The glyph bitmap created.
@retval EFI_OUT_OF_RESOURCES Unable to allocate the output buffer Blt.
@retval EFI_WARN_UNKNOWN_GLYPH The glyph was unknown and was
replaced with the glyph for
Unicode character code 0xFFFD.
@retval EFI_INVALID_PARAMETER Blt is NULL, or Width is NULL, or
Height is NULL
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HII_GET_GLYPH)(
IN CONST EFI_HII_FONT_PROTOCOL *This,
IN CONST CHAR16 Char,
IN CONST EFI_FONT_DISPLAY_INFO *StringInfo,
OUT EFI_IMAGE_OUTPUT **Blt,
OUT UINTN *Baseline OPTIONAL
);
/**
This function iterates through fonts which match the specified
font, using the specified criteria. If String is non-NULL, then
all of the characters in the string must exist in order for a
candidate font to be returned.
@param This A pointer to the EFI_HII_FONT_PROTOCOL instance.
@param FontHandle On entry, points to the font handle returned
by a previous call to GetFontInfo() or NULL
to start with the first font. On return,
points to the returned font handle or points
to NULL if there are no more matching fonts.
@param StringInfoIn Upon entry, points to the font to return
information about. If NULL, then the information
about the system default font will be returned.
@param StringInfoOut Upon return, contains the matching font's information.
If NULL, then no information is returned. This buffer
is allocated with a call to the Boot Service AllocatePool().
It is the caller's responsibility to call the Boot
Service FreePool() when the caller no longer requires
the contents of StringInfoOut.
@param String Points to the string which will be tested to
determine if all characters are available. If
NULL, then any font is acceptable.
@retval EFI_SUCCESS Matching font returned successfully.
@retval EFI_NOT_FOUND No matching font was found.
@retval EFI_OUT_OF_RESOURCES There were insufficient resources to complete the request.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HII_GET_FONT_INFO)(
IN CONST EFI_HII_FONT_PROTOCOL *This,
IN OUT EFI_FONT_HANDLE *FontHandle,
IN CONST EFI_FONT_DISPLAY_INFO *StringInfoIn, OPTIONAL
OUT EFI_FONT_DISPLAY_INFO **StringInfoOut,
IN CONST EFI_STRING String OPTIONAL
);
///
/// The protocol provides the service to retrieve the font informations.
///
struct _EFI_HII_FONT_PROTOCOL {
EFI_HII_STRING_TO_IMAGE StringToImage;
EFI_HII_STRING_ID_TO_IMAGE StringIdToImage;
EFI_HII_GET_GLYPH GetGlyph;
EFI_HII_GET_FONT_INFO GetFontInfo;
};
extern EFI_GUID gEfiHiiFontProtocolGuid;
#endif
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