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[raster] Clean up contour indexing.

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* src/raster/ftraster.c (Decompose_Curve, Convert_Glyph): Use consistent
index types (Int) and compact iterations.
This commit is contained in:
Alexei Podtelezhnikov 2023-02-21 16:17:07 +00:00
parent 7f9499044e
commit 3f01161ff2
1 changed files with 10 additions and 12 deletions
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22
src/raster/ftraster.c
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@ -1742,9 +1742,9 @@
* SUCCESS on success, FAILURE on error.
*/
static Bool
Decompose_Curve( RAS_ARGS UShort first,
UShort last,
Int flipped )
Decompose_Curve( RAS_ARGS Int first,
Int last,
Int flipped )
{
FT_Vector v_last;
FT_Vector v_control;
@ -1969,8 +1969,8 @@
static Bool
Convert_Glyph( RAS_ARGS Int flipped )
{
Int i;
UInt start;
Int i;
Int first, last;
ras.fProfile = NULL;
@ -1985,8 +1985,7 @@
ras.cProfile->offset = ras.top;
ras.num_Profs = 0;
start = 0;
last = -1;
for ( i = 0; i < ras.outline.n_contours; i++ )
{
PProfile lastProfile;
@ -1996,12 +1995,11 @@
ras.state = Unknown_State;
ras.gProfile = NULL;
if ( Decompose_Curve( RAS_VARS (UShort)start,
(UShort)ras.outline.contours[i],
flipped ) )
return FAILURE;
first = last + 1;
last = ras.outline.contours[i];
start = (UShort)ras.outline.contours[i] + 1;
if ( Decompose_Curve( RAS_VARS first, last, flipped ) )
return FAILURE;
/* we must now check whether the extreme arcs join or not */
if ( FRAC( ras.lastY ) == 0 &&