// 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 PRINTING_UNITS_H_
#define PRINTING_UNITS_H_
#include "printing/printing_export.h"
namespace printing {
// Length of a thousandth of inches in 0.01mm unit.
const int kHundrethsMMPerInch = 2540;
// Length of an inch in CSS's 1pt unit.
// http://dev.w3.org/csswg/css3-values/#absolute-length-units-cm-mm.-in-pt-pc
const int kPointsPerInch = 72;
// Length of an inch in CSS's 1px unit.
// http://dev.w3.org/csswg/css3-values/#the-px-unit
const int kPixelsPerInch = 96;
// Dpi used to save to PDF or Cloud Print.
const int kDefaultPdfDpi = 300;
// LETTER: 8.5 x 11 inches
const float kLetterWidthInch = 8.5f;
const float kLetterHeightInch = 11.0f;
// LEGAL: 8.5 x 14 inches
const float kLegalWidthInch = 8.5f;
const float kLegalHeightInch = 14.0f;
// A4: 8.27 x 11.69 inches
const float kA4WidthInch = 8.27f;
const float kA4HeightInch = 11.69f;
// A3: 11.69 x 16.54 inches
const float kA3WidthInch = 11.69f;
const float kA3HeightInch = 16.54f;
// Converts from one unit system to another using integer arithmetics.
PRINTING_EXPORT int ConvertUnit(int value, int old_unit, int new_unit);
// Converts from one unit system to another using doubles.
PRINTING_EXPORT double ConvertUnitDouble(double value, double old_unit,
double new_unit);
// Converts from 0.001 inch unit to 0.00001 meter.
PRINTING_EXPORT int ConvertMilliInchToHundredThousanthMeter(int milli_inch);
// Converts from 0.00001 meter unit to 0.001 inch.
PRINTING_EXPORT int ConvertHundredThousanthMeterToMilliInch(int cmm);
// Converts from 1 pixel to 1 point using integers.
PRINTING_EXPORT int ConvertPixelsToPoint(int pixels);
// Converts from 1 pixel to 1 point using doubles.
PRINTING_EXPORT double ConvertPixelsToPointDouble(double pixels);
// Converts from 1 point to 1 pixel using doubles.
double ConvertPointsToPixelDouble(double points);
} // namespace printing
#endif // PRINTING_UNITS_H_