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1. Fix an issue about the calculation of GlyphBufferSize

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2. Fix a bug in handling the overlapped case by reverse-copying the destine region & source region
3. Fix an issue that the leading spaces could not be displayed in highlight mode  


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2410 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8
2007-02-28 07:41:28 +00:00
parent 2c33bcb4f2
commit fad1794ce8
4 changed files with 122 additions and 92 deletions
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62
EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c
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@@ -1,6 +1,6 @@
/*++
Copyright (c) 2006, Intel Corporation
Copyright (c) 2006 - 2007, 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
@@ -378,6 +378,7 @@ DevNullGraphicsOutputBlt (
)
{
UINTN SrcY;
BOOLEAN Forward;
UINTN Index;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltPtr;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *ScreenPtr;
@@ -434,9 +435,23 @@ DevNullGraphicsOutputBlt (
return EFI_INVALID_PARAMETER;
}
ScreenPtr = &Private->GraphicsOutputBlt[DestinationY * HorizontalResolution + DestinationX];
SrcY = SourceY;
while (Height) {
if ((BltOperation == EfiBltVideoToVideo) && (DestinationY > SourceY)) {
//
// Copy backwards, only care the Video to Video Blt
//
ScreenPtr = &Private->GraphicsOutputBlt[(DestinationY + Height - 1) * HorizontalResolution + DestinationX];
SrcY = SourceY + Height - 1;
Forward = FALSE;
} else {
//
// Copy forwards, for other cases
//
ScreenPtr = &Private->GraphicsOutputBlt[DestinationY * HorizontalResolution + DestinationX];
SrcY = SourceY;
Forward = TRUE;
}
while (Height != 0) {
if (BltOperation == EfiBltVideoFill) {
for (Index = 0; Index < Width; Index++) {
ScreenPtr[Index] = *BltBuffer;
@@ -451,8 +466,13 @@ DevNullGraphicsOutputBlt (
CopyMem (ScreenPtr, BltPtr, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
}
ScreenPtr += HorizontalResolution;
SrcY++;
if (Forward) {
ScreenPtr += HorizontalResolution;
SrcY ++;
} else {
ScreenPtr -= HorizontalResolution;
SrcY --;
}
Height--;
}
}
@@ -792,6 +812,7 @@ DevNullUgaBlt (
)
{
UINTN SrcY;
BOOLEAN Forward;
UINTN Index;
EFI_UGA_PIXEL *BltPtr;
EFI_UGA_PIXEL *ScreenPtr;
@@ -848,9 +869,23 @@ DevNullUgaBlt (
return EFI_INVALID_PARAMETER;
}
ScreenPtr = &Private->UgaBlt[DestinationY * HorizontalResolution + DestinationX];
SrcY = SourceY;
while (Height) {
if ((BltOperation == EfiUgaVideoToVideo) && (DestinationY > SourceY)) {
//
// Copy backwards, only care the Video to Video Blt
//
ScreenPtr = &Private->UgaBlt[(DestinationY + Height - 1) * HorizontalResolution + DestinationX];
SrcY = SourceY + Height - 1;
Forward = FALSE;
} else {
//
// Copy forwards, for other cases
//
ScreenPtr = &Private->UgaBlt[DestinationY * HorizontalResolution + DestinationX];
SrcY = SourceY;
Forward = TRUE;
}
while (Height != 0) {
if (BltOperation == EfiUgaVideoFill) {
for (Index = 0; Index < Width; Index++) {
ScreenPtr[Index] = *BltBuffer;
@@ -865,8 +900,13 @@ DevNullUgaBlt (
CopyMem (ScreenPtr, BltPtr, Width * sizeof (EFI_UGA_PIXEL));
}
ScreenPtr += HorizontalResolution;
SrcY++;
if (Forward) {
ScreenPtr += HorizontalResolution;
SrcY ++;
} else {
ScreenPtr -= HorizontalResolution;
SrcY --;
}
Height--;
}
}