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Issue 7670045: Revert 97219 - Added Header and Footer support in Linux, Windows and Mac for Skia (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 9 years, 4 months ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2008 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 #include "printing/units.h" 5 #include "printing/units.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #include "printing/print_job_constants.h"
9 8
10 namespace printing { 9 namespace printing {
11 10
12 int ConvertUnit(int value, int old_unit, int new_unit) { 11 int ConvertUnit(int value, int old_unit, int new_unit) {
13 DCHECK_GT(new_unit, 0); 12 DCHECK_GT(new_unit, 0);
14 DCHECK_GT(old_unit, 0); 13 DCHECK_GT(old_unit, 0);
15 // With integer arithmetic, to divide a value with correct rounding, you need 14 // With integer arithmetic, to divide a value with correct rounding, you need
16 // to add half of the divisor value to the dividend value. You need to do the 15 // to add half of the divisor value to the dividend value. You need to do the
17 // reverse with negative number. 16 // reverse with negative number.
18 if (value >= 0) { 17 if (value >= 0) {
(...skipping 22 matching lines...) Expand all
41 } 40 }
42 41
43 int ConvertPixelsToPoint(int pixels) { 42 int ConvertPixelsToPoint(int pixels) {
44 return ConvertUnit(pixels, kPixelsPerInch, kPointsPerInch); 43 return ConvertUnit(pixels, kPixelsPerInch, kPointsPerInch);
45 } 44 }
46 45
47 double ConvertPixelsToPointDouble(double pixels) { 46 double ConvertPixelsToPointDouble(double pixels) {
48 return ConvertUnitDouble(pixels, kPixelsPerInch, kPointsPerInch); 47 return ConvertUnitDouble(pixels, kPixelsPerInch, kPointsPerInch);
49 } 48 }
50 49
51 double ConvertPointsToPixelDouble(double points) {
52 return ConvertUnitDouble(points, kPointsPerInch, kPixelsPerInch);
53 }
54
55 double GetHeaderFooterSegmentWidth(double page_width) {
56 // Interstice is left at both ends of the page as well as between
57 // each region, so 1 is added.
58 double total_interstice_width =
59 (printing::kSettingHeaderFooterHorizontalRegions + 1) *
60 printing::kSettingHeaderFooterInterstice;
61 return (page_width - total_interstice_width) /
62 printing::kSettingHeaderFooterHorizontalRegions;
63 }
64
65 } // namespace printing 50 } // namespace printing
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