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common_shape: fixed arc api to draw rectangles lower than 0.

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Absolute value is used to calculate number of bezier curves used
to approximate arc.

Change-Id: Idedd7fd73590d569417fc646fc7febdaaab65857
This commit is contained in:
Michal Szczecinski 2020-08-11 12:11:06 +02:00 • committed by Hermet Park
parent 9893af979f
commit 2c9610bf6a
1 changed files with 1 additions and 1 deletions
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src/lib/tvgShape.cpp
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@ -167,7 +167,7 @@ Result Shape::appendArc(float cx, float cy, float radius, float startAngle, floa
startAngle = (startAngle * M_PI) / 180;
sweep = sweep * M_PI / 180;
auto nCurves = ceil(sweep / M_PI_HALF);
auto nCurves = ceil(abs(sweep / M_PI_HALF));
auto fract = fmod(sweep, M_PI_HALF);
fract = (fract < std::numeric_limits<float>::epsilon()) ? M_PI_HALF : fract;