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Commit f11310f3 authored by ztenghui's avatar ztenghui Committed by Tenghui Zhu
Browse files

Check the array before accessing it 

TODO: Figure out why the path is generating empty polygon.

bug: 14615368

Change-Id: If116e34388b7c6a71bf5ddd36e0c9716d7450732
parent 50a2fb9e

libs/hwui/ShadowTessellator.cpp

+4 −0
Original line number Diff line number Diff line
@@ -196,6 +196,10 @@ Vector2 ShadowTessellator::centroid2d(const Vector2* poly, int polyLength) { 
 * @param len the number of points of the polygon

 */

bool ShadowTessellator::isClockwise(const Vector2* polygon, int len) {

    if (len < 2 || polygon == NULL) {

        ALOGW("Invalid polygon %p, length is %d @ isClockwise()", polygon, len);

        return true;

    }

    double sum = 0;

    double p1x = polygon[len - 1].x;

    double p1y = polygon[len - 1].y;