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update the implementation of InternalPrintGraphic to reflect the number of actual printed character 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8370 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
eric_tian 2009-05-21 09:27:29 +00:00
parent 0f899407a3
commit 619e4c06c3
1 changed files with 31 additions and 40 deletions
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71
IntelFrameworkPkg/Library/FrameworkUefiLib/UefiLibPrint.c
View File

@ -1,8 +1,8 @@
/** @file
Mde UEFI library API implemention.
Mde UEFI library API implementation.
Print to StdErr or ConOut defined in EFI_SYSTEM_TABLE
Copyright (c) 2007, Intel Corporation<BR>
Copyright (c) 2007 - 2009, Intel Corporation<BR>
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
@ -334,13 +334,10 @@ InternalPrintGraphic (
)
{
EFI_STATUS Status;
UINTN Index;
CHAR16 *UnicodeWeight;
UINT32 HorizontalResolution;
UINT32 VerticalResolution;
UINT32 ColorDepth;
UINT32 RefreshRate;
UINTN LineBufferLen;
EFI_HII_FONT_PROTOCOL *HiiFont;
EFI_IMAGE_OUTPUT *Blt;
EFI_FONT_DISPLAY_INFO FontInfo;
@ -354,6 +351,7 @@ InternalPrintGraphic (
HorizontalResolution = 0;
VerticalResolution = 0;
Blt = NULL;
RowInfoArray = NULL;
ConsoleHandle = gST->ConsoleOutHandle;
@ -377,7 +375,7 @@ InternalPrintGraphic (
);
}
if (EFI_ERROR (Status)) {
return 0;
goto Error;
}
Status = gBS->HandleProtocol (
@ -387,7 +385,7 @@ InternalPrintGraphic (
);
if (EFI_ERROR (Status)) {
return 0;
goto Error;
}
if (GraphicsOutput != NULL) {
@ -396,7 +394,6 @@ InternalPrintGraphic (
} else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {
UgaDraw->GetMode (UgaDraw, &HorizontalResolution, &VerticalResolution, &ColorDepth, &RefreshRate);
} else {
Status = EFI_UNSUPPORTED;
goto Error;
}
@ -407,22 +404,6 @@ InternalPrintGraphic (
goto Error;
}
UnicodeWeight = 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;
}
}
LineBufferLen = sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * HorizontalResolution * EFI_GLYPH_HEIGHT;
if (EFI_GLYPH_WIDTH * EFI_GLYPH_HEIGHT * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * PrintNum > LineBufferLen) {
Status = EFI_INVALID_PARAMETER;
goto Error;
}
Blt = (EFI_IMAGE_OUTPUT *) AllocateZeroPool (sizeof (EFI_IMAGE_OUTPUT));
ASSERT (Blt != NULL);
@ -455,16 +436,21 @@ InternalPrintGraphic (
Status = HiiFont->StringToImage (
HiiFont,
EFI_HII_IGNORE_IF_NO_GLYPH | EFI_HII_DIRECT_TO_SCREEN,
EFI_HII_IGNORE_IF_NO_GLYPH | EFI_HII_OUT_FLAG_CLIP |
EFI_HII_OUT_FLAG_CLIP_CLEAN_X | EFI_HII_OUT_FLAG_CLIP_CLEAN_Y |
EFI_HII_IGNORE_LINE_BREAK | EFI_HII_DIRECT_TO_SCREEN,
Buffer,
&FontInfo,
&Blt,
PointX,
PointY,
NULL,
NULL,
&RowInfoArray,
&RowInfoArraySize,
NULL
);
if (EFI_ERROR (Status)) {
goto Error;
}
} else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
ASSERT (UgaDraw!= NULL);
@ -472,7 +458,6 @@ InternalPrintGraphic (
Blt->Image.Bitmap = AllocateZeroPool (Blt->Width * Blt->Height * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
ASSERT (Blt->Image.Bitmap != NULL);
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.
@ -510,23 +495,27 @@ InternalPrintGraphic (
RowInfoArray[0].LineHeight,
Blt->Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
);
} else {
goto Error;
}
FreePool (RowInfoArray);
FreePool (Blt->Image.Bitmap);
} else {
Status = EFI_UNSUPPORTED;
goto Error;
}
//
// Calculate the number of actual printed characters
//
PrintNum = RowInfoArray[0].EndIndex - RowInfoArray[0].StartIndex + 1;
FreePool (RowInfoArray);
FreePool (Blt);
return PrintNum;
Error:
if (EFI_ERROR (Status)) {
return 0;
} else {
return PrintNum;
if (Blt != NULL) {
FreePool (Blt);
}
return 0;
}
/**
@ -535,8 +524,9 @@ Error:
This function prints a formatted Unicode string to the graphics console device
specified by ConsoleOutputHandle in EFI_SYSTEM_TABLE and returns the number of
Unicode characters printed. If the length of the formatted Unicode string is
greater than PcdUefiLibMaxPrintBufferSize, then only the first
Unicode characters displayed, not including partial characters that may be clipped
by the right edge of the display. If the length of the formatted Unicode string is
greater than PcdUefiLibMaxPrintBufferSize, then at most the first
PcdUefiLibMaxPrintBufferSize characters are printed. The EFI_HII_FONT_PROTOCOL
is used to convert the string to a bitmap using the glyphs registered with the
HII database. No wrapping is performed, so any portions of the string the fall
@ -609,8 +599,9 @@ PrintXY (
This function prints a formatted ASCII string to the graphics console device
specified by ConsoleOutputHandle in EFI_SYSTEM_TABLE and returns the number of
ASCII characters printed. If the length of the formatted ASCII string is
greater than PcdUefiLibMaxPrintBufferSize, then only the first
ASCII characters displayed, not including partial characters that may be clipped
by the right edge of the display. If the length of the formatted ASCII string is
greater than PcdUefiLibMaxPrintBufferSize, then at most the first
PcdUefiLibMaxPrintBufferSize characters are printed. The EFI_HII_FONT_PROTOCOL
is used to convert the string to a bitmap using the glyphs registered with the
HII database. No wrapping is performed, so any portions of the string the fall