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* src/autofit/aflatin.c (af_compute_vertical_extrema): New function.

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To be used in a follow-up commit.
This commit is contained in:
Werner Lemberg 2025-04-23 06:44:10 +02:00
parent 357032d1ce
commit 387c2d8063
1 changed files with 38 additions and 0 deletions
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38
src/autofit/aflatin.c
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@ -2776,6 +2776,44 @@
}
/* Compute vertical extrema of all contours and store them in the */
/* `contour_y_minima` and `contour_y_maxima` arrays of `hints`. */
static void
af_compute_vertical_extrema( AF_GlyphHints hints )
{
FT_Int contour;
for ( contour = 0; contour < hints->num_contours; contour++ )
{
FT_Pos min_y = FT_INT_MAX;
FT_Pos max_y = FT_INT_MIN;
AF_Point first_point = hints->contours[contour];
AF_Point point = first_point;
if ( !first_point || first_point->next->next == first_point )
goto End_loop;
do
{
if ( point->y < min_y )
min_y = point->y;
if ( point->y > max_y )
max_y = point->y;
point = point->next;
} while ( point != first_point );
End_loop:
hints->contour_y_minima[contour] = min_y;
hints->contour_y_maxima[contour] = max_y;
}
}
static FT_Int
af_find_highest_contour( AF_GlyphHints hints )
{