audk/EdkCompatibilityPkg/Compatibility/FrameworkHiiToUefiHiiThunk/Fonts.c

174 lines
5.0 KiB
C
Raw Normal View History

/**@file
This file contains the Glyph related function.
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 "HiiDatabase.h"
EFI_NARROW_GLYPH mNarrowGlyphBuffer = {0, 0, {0}};
BOOLEAN mSysFontColorCached = FALSE;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL mSysFGColor = {0};
/**
This function is only called by Graphics Console module and GraphicsLib.
EDK II provides a UEFI Graphics Console module. ECP provides a GraphicsLib
complying to UEFI HII.
This function will ASSERT and return EFI_UNSUPPORTED.
@param This N.A.
@param Source N.A.
@param Index N.A.
@param GlyphBuffer N.A.
@param BitWidth N.A.
@param InternalStatus N.A.
@return EFI_UNSUPPORTED N.A.
**/
EFI_STATUS
EFIAPI
HiiGetGlyph (
IN EFI_HII_PROTOCOL *This,
IN CHAR16 *Source,
IN OUT UINT16 *Index,
OUT UINT8 **GlyphBuffer,
OUT UINT16 *BitWidth,
IN OUT UINT32 *InternalStatus
)
{
EFI_STATUS Status;
EFI_IMAGE_OUTPUT *Blt;
EFI_FONT_DISPLAY_INFO *FontInfo;
UINTN Xpos;
UINTN Ypos;
UINTN BaseLine;
if (!mSysFontColorCached) {
//
// Cache the system font's foreground color.
//
Status = mHiiFontProtocol->GetFontInfo (
mHiiFontProtocol,
NULL,
NULL,
&FontInfo,
NULL
);
if (!EFI_ERROR (Status)) {
ASSERT (StrCmp (FontInfo->FontInfo.FontName, L"sysdefault") == 0);
mSysFGColor = FontInfo->ForegroundColor;
FreePool (FontInfo);
mSysFontColorCached = TRUE;
}
}
Blt = NULL;
Status = mHiiFontProtocol->GetGlyph (
mHiiFontProtocol,
Source[*Index],
NULL,
&Blt,
&BaseLine
);
if (!EFI_ERROR (Status)) {
//
// For simplicity, we only handle Narrow Glyph.
//
ASSERT (Blt->Height == EFI_GLYPH_HEIGHT);
ASSERT (Blt->Width == EFI_GLYPH_WIDTH);
if (Blt->Height == EFI_GLYPH_HEIGHT && Blt->Width == EFI_GLYPH_WIDTH) {
ZeroMem (&mNarrowGlyphBuffer, sizeof (mNarrowGlyphBuffer));
mNarrowGlyphBuffer.UnicodeWeight = *Source;
for (Ypos = 0; Ypos < EFI_GLYPH_HEIGHT; Ypos++) {
for (Xpos = 0; Xpos < EFI_GLYPH_WIDTH; Xpos++) {
if (CompareMem (&Blt->Image.Bitmap[Ypos * EFI_GLYPH_WIDTH + Xpos], &mSysFGColor, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)) == 0) {
mNarrowGlyphBuffer.GlyphCol1[Ypos] |= 1 << (EFI_GLYPH_WIDTH - 1 - Xpos);
}
}
}
*GlyphBuffer = (UINT8 *) &mNarrowGlyphBuffer;
*BitWidth = EFI_GLYPH_WIDTH;
*Index += 1;
} else {
Status = EFI_NOT_FOUND;
}
}
if (EFI_ERROR (Status)) {
*GlyphBuffer = NULL;
}
return Status;
}
/**
This function is only called by Graphics Console module and GraphicsLib.
EDK II provides a UEFI Graphics Console module. ECP provides a GraphicsLib
complying to UEFI HII.
This function will ASSERT and return EFI_UNSUPPORTED.
@param This N.A.
@param GlyphBuffer N.A.
@param Foreground N.A.
@param Background N.A.
@param Count N.A.
@param Width N.A.
@param Height N.A.
@param BltBuffer N.A.
@return EFI_UNSUPPORTED N.A.
**/
EFI_STATUS
EFIAPI
HiiGlyphToBlt (
IN EFI_HII_PROTOCOL *This,
IN UINT8 *GlyphBuffer,
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground,
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background,
IN UINTN Count,
IN UINTN Width,
IN UINTN Height,
IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer
)
{
UINTN X;
UINTN Y;
//
// Convert Monochrome bitmap of the Glyph to BltBuffer structure
//
for (Y = 0; Y < Height; Y++) {
for (X = 0; X < Width; X++) {
if ((((EFI_NARROW_GLYPH *) GlyphBuffer)->GlyphCol1[Y] & (1 << X)) != 0) {
BltBuffer[Y * Width * Count + (Width - X - 1)] = Foreground;
} else {
BltBuffer[Y * Width * Count + (Width - X - 1)] = Background;
}
}
}
return EFI_SUCCESS;
}