diff options
Diffstat (limited to 'mcs/class/System.Drawing/System.Drawing.Printing/PrinterUnitConvert.cs')
| -rw-r--r-- | mcs/class/System.Drawing/System.Drawing.Printing/PrinterUnitConvert.cs | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/mcs/class/System.Drawing/System.Drawing.Printing/PrinterUnitConvert.cs b/mcs/class/System.Drawing/System.Drawing.Printing/PrinterUnitConvert.cs new file mode 100644 index 00000000000..00452060da0 --- /dev/null +++ b/mcs/class/System.Drawing/System.Drawing.Printing/PrinterUnitConvert.cs @@ -0,0 +1,139 @@ +// +// System.Drawing.Printing.PrinterUnitConvert.cs +// +// Authors: +// Martin Willemoes Hansen (mwh@sysrq.dk) +// Herve Poussineau (hpoussineau@fr.st) +// +// (C) 2003 Martin Willemoes Hansen +// + +// +// Copyright (C) 2004 Novell, Inc (http://www.novell.com) +// +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// + +namespace System.Drawing.Printing +{ + public sealed class PrinterUnitConvert + { + private PrinterUnitConvert () + { + } + + public static double Convert (double value, + PrinterUnit fromUnit, + PrinterUnit toUnit) + { + switch (fromUnit) + { + case PrinterUnit.Display: + switch (toUnit) + { + case PrinterUnit.Display: return value; + case PrinterUnit.ThousandthsOfAnInch: return value * 10; + case PrinterUnit.HundredthsOfAMillimeter: return value * 25.4; + case PrinterUnit.TenthsOfAMillimeter: return value * 2.54; + } + break; + case PrinterUnit.ThousandthsOfAnInch: + switch (toUnit) + { + case PrinterUnit.Display: return value / 10; + case PrinterUnit.ThousandthsOfAnInch: return value; + case PrinterUnit.HundredthsOfAMillimeter: return value * 2.54; + case PrinterUnit.TenthsOfAMillimeter: return value * 0.254; + } + break; + case PrinterUnit.HundredthsOfAMillimeter: + switch (toUnit) + { + case PrinterUnit.Display: return value / 25.4; + case PrinterUnit.ThousandthsOfAnInch: return value / 2.54; + case PrinterUnit.HundredthsOfAMillimeter: return value; + case PrinterUnit.TenthsOfAMillimeter: return value / 10; + } + break; + case PrinterUnit.TenthsOfAMillimeter: + switch (toUnit) + { + case PrinterUnit.Display: return value / 2.54; + case PrinterUnit.ThousandthsOfAnInch: return value / 0.254; + case PrinterUnit.HundredthsOfAMillimeter: return value * 10; + case PrinterUnit.TenthsOfAMillimeter: return value; + } + break; + } + // should never happen + throw new NotImplementedException(); + } + + public static int Convert (int value, + PrinterUnit fromUnit, + PrinterUnit toUnit) + { + double rslt; + rslt = Convert ((double) value, fromUnit, toUnit); + return (int) Math.Round (rslt); + + } + + public static Margins Convert (Margins value, + PrinterUnit fromUnit, + PrinterUnit toUnit) + { + return new Margins( + Convert(value.Left, fromUnit, toUnit), + Convert(value.Right, fromUnit, toUnit), + Convert(value.Top, fromUnit, toUnit), + Convert(value.Bottom, fromUnit, toUnit)); + } + + public static Point Convert (Point value, + PrinterUnit fromUnit, + PrinterUnit toUnit) + { + return new Point( + Convert(value.X, fromUnit, toUnit), + Convert(value.Y, fromUnit, toUnit)); + } + + public static Rectangle Convert (Rectangle value, + PrinterUnit fromUnit, + PrinterUnit toUnit) + { + return new Rectangle( + Convert(value.X, fromUnit, toUnit), + Convert(value.Y, fromUnit, toUnit), + Convert(value.Width, fromUnit, toUnit), + Convert(value.Height, fromUnit, toUnit)); + } + + public static Size Convert (Size value, + PrinterUnit fromUnit, + PrinterUnit toUnit) + { + return new Size( + Convert(value.Width, fromUnit, toUnit), + Convert(value.Height, fromUnit, toUnit)); + } + } +} |