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authorDandan Bi <dandan.bi@intel.com>2016-05-31 16:44:47 +0800
committerStar Zeng <star.zeng@intel.com>2016-06-06 14:08:31 +0800
commit0672c2cdfebd35af3e68fe0b54408852bf314759 (patch)
tree9cee5fc4a945f9c5bdb5d23b8bd8ecc3bd5f123e
parent3ab41b7a325ca11a12b42f5ad1661c4b6791cb49 (diff)
downloadedk2-platforms-0672c2cdfebd35af3e68fe0b54408852bf314759.tar.xz
MdeModulePkg/HiiDatabase: Preinit background when render string to screen
When render string to screen, for proportional fonts, the background color may not set to the whole BltBuffer. And this will cause incorrect display. Now initialize the background color to fix this issue. Cc: Liming Gao <liming.gao@intel.com> Cc: Eric Dong <eric.dong@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Dandan Bi <dandan.bi@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
-rw-r--r--MdeModulePkg/Universal/HiiDatabaseDxe/Font.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c b/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
index 56b30ff6ff..5d31f7513f 100644
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
@@ -1613,6 +1613,7 @@ HiiStringToImage (
UINTN StrLength;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *RowBufferPtr;
HII_GLOBAL_FONT_INFO *GlobalFont;
+ UINT32 PreInitBkgnd;
//
// Check incoming parameters.
@@ -2049,6 +2050,11 @@ HiiStringToImage (
goto Exit;
}
//
+ // Initialize the background color.
+ //
+ PreInitBkgnd = Background.Blue | Background.Green << 8 | Background.Red << 16;
+ SetMem32 (BltBuffer,RowInfo[RowIndex].LineWidth * RowInfo[RowIndex].LineHeight * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL),PreInitBkgnd);
+ //
// Set BufferPtr to Origin by adding baseline to the starting position.
//
BufferPtr = BltBuffer + BaseLine * RowInfo[RowIndex].LineWidth;