[Git][freetype/freetype][master] * src/smooth/ftgrays.c (gray_render_line): Rearrange conditionals.

[Alexei Podtelezhnikov]

Alexei Podtelezhnikov pushed to branch master at FreeType / FreeType

Commits:

• 85168499
  by Alexei Podtelezhnikov at 2021-03-09T22:14:44-05:00

  * src/smooth/ftgrays.c (gray_render_line): Rearrange conditionals.
  
  These produce faster or more optimizable code.
  

2 changed files:

• ChangeLog
• src/smooth/ftgrays.c

Changes:

ChangeLog

---

	1	+2021-03-09 Alexei Podtelezhnikov <apodtele@gmail.com>
	2	+
	3	+ * src/smooth/ftgrays.c (gray_render_line): Rearrange conditionals.
	4	+
	5	+ These produce faster or more optimizable code.
	6	+
1	7	2021-03-08 Tim-Philipp Müller <tim@centricular.com>
2	8
3	9	[meson] Fix 'mmap' handling on Windows.

src/smooth/ftgrays.c

---

...	...	@@ -912,8 +912,8 @@ typedef ptrdiff_t FT_PtrDist;
912	912	/* also easily updated when moving from one cell to the next. */
913	913	do
914	914	{
915		- if ( prod <= 0 &&
916		- prod - dx * ONE_PIXEL > 0 ) /* left */
	915	+ if ( prod - dx * ONE_PIXEL > 0 &&
	916	+ prod <= 0 ) /* left */
917	917	{
918	918	fx2 = 0;
919	919	fy2 = FT_UDIV( -prod, -dx );
...	...	@@ -924,8 +924,8 @@ typedef ptrdiff_t FT_PtrDist;
924	924	fy1 = fy2;
925	925	ex1--;
926	926	}
927		- else if ( prod - dx * ONE_PIXEL <= 0 &&
928		- prod - dx * ONE_PIXEL + dy * ONE_PIXEL > 0 ) /* up */
	927	+ else if ( prod - dx * ONE_PIXEL + dy * ONE_PIXEL > 0 &&
	928	+ prod - dx * ONE_PIXEL <= 0 ) /* up */
929	929	{
930	930	prod -= dx * ONE_PIXEL;
931	931	fx2 = FT_UDIV( -prod, dy );
...	...	@@ -936,8 +936,8 @@ typedef ptrdiff_t FT_PtrDist;
936	936	fy1 = 0;
937	937	ey1++;
938	938	}
939		- else if ( prod - dx * ONE_PIXEL + dy * ONE_PIXEL <= 0 &&
940		- prod + dy * ONE_PIXEL >= 0 ) /* right */
	939	+ else if ( prod + dy * ONE_PIXEL >= 0 &&
	940	+ prod - dx * ONE_PIXEL + dy * ONE_PIXEL <= 0 ) /* right */
941	941	{
942	942	prod += dy * ONE_PIXEL;
943	943	fx2 = ONE_PIXEL;
...	...	@@ -948,8 +948,8 @@ typedef ptrdiff_t FT_PtrDist;
948	948	fy1 = fy2;
949	949	ex1++;
950	950	}
951		- else /* ( prod + dy * ONE_PIXEL < 0 &&
952		- prod > 0 ) down */
	951	+ else /* ( prod > 0 &&
	952	+ prod + dy * ONE_PIXEL < 0 ) down */
953	953	{
954	954	fx2 = FT_UDIV( prod, -dy );
955	955	fy2 = 0;

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