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sw_engine: overlaping stroke cap

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A square or a round cap was mistakenly added to the parts
of the dashed lines that should be continuous. Fixed

@Issues: https://github.com/Samsung/thorvg/issues/777
This commit is contained in:
Mira Grudzinska 2021-09-07 13:12:08 +02:00 • committed by Hermet Park
parent f652b33a27
commit ae6d574466
1 changed files with 6 additions and 2 deletions
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8
src/lib/sw_engine/tvgSwShape.cpp
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@ -21,6 +21,7 @@
*/
#include "tvgSwCommon.h"
#include "tvgBezier.h"
#include <float.h>
/************************************************************************/
/* Internal Class Implementation */
@ -234,11 +235,14 @@ static void _dashCubicTo(SwDashStroke& dash, const Point* ctrl1, const Point* ct
Bezier left, right;
len -= dash.curLen;
bezSplitAt(cur, dash.curLen, left, right);
dash.curIdx = (dash.curIdx + 1) % dash.cnt;
if (!dash.curOpGap) {
_outlineMoveTo(*dash.outline, &left.start, transform);
// leftovers from a previous command don't require moveTo
if (dash.pattern[dash.curIdx] - dash.curLen < FLT_EPSILON) {
_outlineMoveTo(*dash.outline, &left.start, transform);
}
_outlineCubicTo(*dash.outline, &left.ctrl1, &left.ctrl2, &left.end, transform);
}
dash.curIdx = (dash.curIdx + 1) % dash.cnt;
dash.curLen = dash.pattern[dash.curIdx];
dash.curOpGap = !dash.curOpGap;
cur = right;