minhngoc25a
/
freetype2
mirror of git://git.savannah.gnu.org/freetype/freetype2.git
2
1
Fork 2
Code Issues 9 Releases Wiki Activity

* src/base/ftbitmap.c (FT_Bitmap_Convert): Recreate target. 

There is no need to preserve bits before overwriting them.
Therefore, free-malloc could be faster than realloc.
This commit is contained in:
Alexei Podtelezhnikov 2022-09-20 03:15:42 +00:00
parent 33ceac2afc
commit 4dba6795b6
1 changed files with 3 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/base/ftbitmap.c
View File

@ -542,15 +542,10 @@
case FT_PIXEL_MODE_LCD_V:
case FT_PIXEL_MODE_BGRA:
{
FT_Int pad, old_target_pitch, target_pitch;
FT_ULong old_size;
FT_Int pad, target_pitch;
old_target_pitch = target->pitch;
if ( old_target_pitch < 0 )
old_target_pitch = -old_target_pitch;
old_size = target->rows * (FT_UInt)old_target_pitch;
FT_Bitmap_Done( library, target );
target->pixel_mode = FT_PIXEL_MODE_GRAY;
target->rows = source->rows;
@ -566,12 +561,7 @@
target_pitch = (FT_Int)source->width + pad;
if ( target_pitch > 0 &&
(FT_ULong)target->rows > FT_ULONG_MAX / (FT_ULong)target_pitch )
return FT_THROW( Invalid_Argument );
if ( FT_QREALLOC( target->buffer,
old_size, target->rows * (FT_UInt)target_pitch ) )
if ( FT_QALLOC_MULT( target->buffer, target->rows, target_pitch ) )
return error;
target->pitch = target->pitch < 0 ? -target_pitch : target_pitch;