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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/tabs/tab_resources.h"
#include "base/logging.h"
#include "ui/gfx/path.h"
namespace {
// Hit mask constants.
const SkScalar kTabCapWidth = 15;
const SkScalar kTabTopCurveWidth = 4;
const SkScalar kTabBottomCurveWidth = 3;
} // namespace
// static
void TabResources::GetHitTestMask(int width, int height, gfx::Path* path) {
DCHECK(path);
SkScalar h = SkIntToScalar(height);
SkScalar w = SkIntToScalar(width);
path->moveTo(0, h);
// Left end cap.
path->lineTo(kTabBottomCurveWidth, h - kTabBottomCurveWidth);
path->lineTo(kTabCapWidth - kTabTopCurveWidth, kTabTopCurveWidth);
path->lineTo(kTabCapWidth, 0);
// Connect to the right cap.
path->lineTo(w - kTabCapWidth, 0);
// Right end cap.
path->lineTo(w - kTabCapWidth + kTabTopCurveWidth, kTabTopCurveWidth);
path->lineTo(w - kTabBottomCurveWidth, h - kTabBottomCurveWidth);
path->lineTo(w, h);
// Close out the path.
path->lineTo(0, h);
path->close();
}
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