Removed Matrix from spatial sampling for GestureUtilities

        float sy = targetPatchSize / rect.height();

        float scale = sx < sy ? sx : sy;

        Matrix trans = new Matrix();

        trans.setScale(scale, scale);

        trans.preTranslate(-rect.centerX(), -rect.centerY());

        trans.postTranslate(targetPatchSize / 2, targetPatchSize / 2);

        float preDx = -rect.centerX();

        float preDy = -rect.centerY();

        float postDx = targetPatchSize / 2;

        float postDy = targetPatchSize / 2;

        final ArrayList<GestureStroke> strokes = gesture.getStrokes();

        final int count = strokes.size();

        for (int index = 0; index < count; index++) {

            final GestureStroke stroke = strokes.get(index);

            size = stroke.points.length;

            float[] strokepoints = stroke.points;

            size = strokepoints.length;

            final float[] pts = new float[size];

            trans.mapPoints(pts, 0, stroke.points, 0, size / 2);

            for (int i = 0; i < size; i += 2) {

                pts[i] = (strokepoints[i] + preDx) * scale + postDx;

                pts[i + 1] = (strokepoints[i + 1] + preDy) * scale + postDy;

            }

            float segmentEndX = -1;

            float segmentEndY = -1;