skia2/docs/examples/Point_negate.cpp

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// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
// HASH=312c0c8065ab5d0adfda80cccf2d11e6
REG_FIDDLE(Point_negate, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
SkPoint test[] = { {0.f, -0.f}, {-1, -2},
{ SK_ScalarInfinity, SK_ScalarNegativeInfinity },
{ SK_ScalarNaN, -SK_ScalarNaN } };
for (const SkPoint& pt : test) {
SkPoint negPt = pt;
negPt.negate();
SkDebugf("pt: %g, %g negate: %g, %g\n", pt.fX, pt.fY, negPt.fX, negPt.fY);
}
}
} // END FIDDLE