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Code Issues 4 Releases Wiki Activity

[ftsmooth]: Minor code simplification. 

* src/smooth/ftgrays (gray_render_cubic): Do only one comparison
instead of two.
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Алексей Подтележников 2010-11-28 08:23:40 +01:00 committed by Werner Lemberg
parent 9073e7ceb6
commit 7c4ac3cb0c
2 changed files with 14 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2010-11-28 Alexei Podtelezhnikov <apodtele@gmail.com>
[ftsmooth]: Minor code simplification.
* src/smooth/ftgrays (gray_render_cubic): Do only one comparison
instead of two.
2010-11-26 Johnson Y. Yan <yinsen_yan@foxitsoftware.com>
[truetype] Better multi-threading support.

8
src/smooth/ftgrays.c
View File

@ -1057,7 +1057,13 @@ typedef ptrdiff_t FT_PtrDist;
dx_ = FT_ABS( dx );
dy_ = FT_ABS( dy );
L = ( 236 * FT_MAX( dx_, dy_ ) + 97 * FT_MIN( dx_, dy_ ) ) >> 8;
/* This is the same as */
/* */
/* L = ( 236 * FT_MAX( dx_, dy_ ) */
/* + 97 * FT_MIN( dx_, dy_ ) ) >> 8; */
L = ( dx_ > dy_ ? 236 * dx_ + 97 * dy_
: 97 * dx_ + 236 * dy_ ) >> 8;
/* Avoid possible arithmetic overflow below by splitting. */
if ( L > 32767 )