third_party/blink/renderer/platform/resolution_units.h

/*
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 * Copyright (C) 2009 Apple Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_RESOLUTION_UNITS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_RESOLUTION_UNITS_H_

namespace blink {

const double kMillimetersPerCentimeter = 10;
const double kQuarterMillimetersPerCentimeter = 40;
const double kCentimetersPerInch = 2.54;
const double kMillimetersPerInch = 25.4;
const double kQuarterMillimetersPerInch = 101.6;
const double kPointsPerInch = 72;
const double kPicasPerInch = 6;

// The constant CSS pixels per inch value is needed in platform/ for font size
// calculations.
const double kCssPixelsPerInch = 96;
const double kCssPixelsPerPoint = kCssPixelsPerInch / kPointsPerInch;

}  // namespace blink

#endif