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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef PRINTING_UNITS_H_ | 5 #ifndef PRINTING_UNITS_H_ |
6 #define PRINTING_UNITS_H_ | 6 #define PRINTING_UNITS_H_ |
7 | 7 |
8 #include "printing/printing_export.h" | 8 #include "printing/printing_export.h" |
9 | 9 |
10 namespace printing { | 10 namespace printing { |
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33 | 33 |
34 // A4: 8.27 x 11.69 inches | 34 // A4: 8.27 x 11.69 inches |
35 const float kA4WidthInch = 8.27f; | 35 const float kA4WidthInch = 8.27f; |
36 const float kA4HeightInch = 11.69f; | 36 const float kA4HeightInch = 11.69f; |
37 | 37 |
38 // A3: 11.69 x 16.54 inches | 38 // A3: 11.69 x 16.54 inches |
39 const float kA3WidthInch = 11.69f; | 39 const float kA3WidthInch = 11.69f; |
40 const float kA3HeightInch = 16.54f; | 40 const float kA3HeightInch = 16.54f; |
41 | 41 |
42 // Converts from one unit system to another using integer arithmetics. | 42 // Converts from one unit system to another using integer arithmetics. |
43 PRINTING_EXPORT int ConvertUnit(int value, int old_unit, int new_unit); | 43 PRINTING_EXPORT int ConvertUnit(double value, int old_unit, int new_unit); |
44 | 44 |
45 // Converts from one unit system to another using doubles. | 45 // Converts from one unit system to another using doubles. |
46 PRINTING_EXPORT double ConvertUnitDouble(double value, double old_unit, | 46 PRINTING_EXPORT double ConvertUnitDouble(double value, double old_unit, |
47 double new_unit); | 47 double new_unit); |
48 | 48 |
49 // Converts from 0.001 inch unit to 0.00001 meter. | 49 // Converts from 0.001 inch unit to 0.00001 meter. |
50 PRINTING_EXPORT int ConvertMilliInchToHundredThousanthMeter(int milli_inch); | 50 PRINTING_EXPORT int ConvertMilliInchToHundredThousanthMeter(int milli_inch); |
51 | 51 |
52 // Converts from 0.00001 meter unit to 0.001 inch. | 52 // Converts from 0.00001 meter unit to 0.001 inch. |
53 PRINTING_EXPORT int ConvertHundredThousanthMeterToMilliInch(int cmm); | 53 PRINTING_EXPORT int ConvertHundredThousanthMeterToMilliInch(int cmm); |
54 | 54 |
55 // Converts from 1 pixel to 1 point using integers. | 55 // Converts from 1 pixel to 1 point using integers. |
56 PRINTING_EXPORT int ConvertPixelsToPoint(int pixels); | 56 PRINTING_EXPORT int ConvertPixelsToPoint(int pixels); |
57 | 57 |
58 // Converts from 1 pixel to 1 point using doubles. | 58 // Converts from 1 pixel to 1 point using doubles. |
59 PRINTING_EXPORT double ConvertPixelsToPointDouble(double pixels); | 59 PRINTING_EXPORT double ConvertPixelsToPointDouble(double pixels); |
60 | 60 |
61 // Converts from 1 point to 1 pixel using doubles. | 61 // Converts from 1 point to 1 pixel using doubles. |
62 PRINTING_EXPORT double ConvertPointsToPixelDouble(double points); | 62 PRINTING_EXPORT double ConvertPointsToPixelDouble(double points); |
63 | 63 |
64 } // namespace printing | 64 } // namespace printing |
65 | 65 |
66 #endif // PRINTING_UNITS_H_ | 66 #endif // PRINTING_UNITS_H_ |
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