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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.
#ifndef CONTENT_PUBLIC_COMMON_PAGE_ZOOM_H_
#define CONTENT_PUBLIC_COMMON_PAGE_ZOOM_H_
#pragma once
#include "content/common/content_export.h"
namespace content {
// This enum is the parameter to various text/page zoom commands so we know
// what the specific zoom command is.
enum PageZoom {
PAGE_ZOOM_OUT = -1,
PAGE_ZOOM_RESET = 0,
PAGE_ZOOM_IN = 1,
};
// The minimum zoom factor permitted for a page. This is an alternative to
// WebView::minTextSizeMultiplier.
CONTENT_EXPORT extern const double kMinimumZoomFactor;
// The maximum zoom factor permitted for a page. This is an alternative to
// WebView::maxTextSizeMultiplier.
CONTENT_EXPORT extern const double kMaximumZoomFactor;
// Test if two zoom values (either zoom factors or zoom levels) should be
// considered equal.
CONTENT_EXPORT bool ZoomValuesEqual(double value_a, double value_b);
} // namespace content
#endif // CONTENT_PUBLIC_COMMON_PAGE_ZOOM_H_
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