-//\r
-// System.Drawing.ColorTranslator.cs\r
-//\r
-// (C) 2001 Ximian, Inc. http://www.ximian.com\r
-//\r
-// Dennis Hayes (dennish@raytek.com)\r
-// Inital Implimentation 3/25/2002\r
-// All conversions based on best guess, will improve over time\r
-// \r
-using System;\r
-namespace System.Drawing {\r
- public class ColorTranslator{\r
- // From converisons\r
- /// <summary>\r
- /// \r
- /// </summary>\r
- /// <param name="HtmlFromColor"></param>\r
- /// <returns></returns>\r
- public static Color FromHtml(string HtmlFromColor){\r
- // TODO: \r
- // If first char is "#"\r
- //convert "#RRGGBB" to int and use Color.FromARGB(int) to create color\r
- // else //it is a color name\r
- //If there is a single digit at the end of the name, remove it.\r
- // Call Color.FromKnownColor(HtmlFromColor) \r
-\r
- //At least some Html strings match .NET Colors,\r
- // so this should work for those colors.\r
- // .NET colors, XWindows colors, and WWWC web colors \r
- // are (according to Charles Pretziod) base the same\r
- //colors, so many shouold work if any do.\r
- return Color.FromKnownColor(HtmlFromColor);\r
- }\r
- \r
- /// <summary>\r
- /// \r
- /// </summary>\r
- /// <param name="OLEFromColor"></param>\r
- /// <returns></returns>\r
- public static Color FromOle(int OLEFromColor){\r
- int newcolor;\r
- //TODO: swap RB bytes i.e. AARRGGBB to AABBGGRR\r
- return Color.FromArgb(newcolor);\r
- }\r
- \r
- /// <summary>\r
- /// \r
- /// </summary>\r
- /// <param name="Win32FromColor"></param>\r
- /// <returns></returns>\r
- public static Color FromWin32(int Win32FromColor){\r
- int newcolor;\r
- //TODO: swap RB bytes i.e. AARRGGBB to AABBGGRR\r
- return Color.FromArgb(newcolor);\r
- }\r
-\r
- // To converisons\r
- public static string ToHtml(Color HtmlToColor){\r
- //TODO: html string for unknown color is "#rrgggbb" in hex format.\r
- //TODO: first pass use same for known color.\r
- //TODO: second pass return name string for known colors.\r
- string returnstring;\r
- if(HtmlToColor.IsKnownColor){\r
- }\r
- else{\r
- }\r
- return Color.FromKnownColor(HtmlToColor);\r
- }\r
- /// <summary>\r
- /// converts from BGR to RGB\r
- /// </summary>\r
- /// <param name="OleToColor"></param>\r
- /// <returns></returns>\r
- public static int ToOle(Color FromColor){\r
- // TODO: Swap red and blue(from argb), convert to int(toargb)\r
- // Same as ToWin32\r
- return (Color.FromArgb(FromColor.B,FromColor.G,FromColor.R)).ToArgb();\r
- }\r
-\r
- /// <summary>\r
- /// converts from RGB to BGR\r
- /// </summary>\r
- /// <param name="Win32ToColor"></param>\r
- /// <returns></returns>\r
- public static int ToWin32(Color FromColor){\r
- // TODO: Swap red and blue(from argb), convert to int(toargb)\r
- // Same as ToOle\r
- return (Color.FromArgb(FromColor.B,FromColor.G,FromColor.R)).ToArgb();\r
- }\r
- }\r
-}\r
-\r
-\r
-\r
-\r
+//
+// System.Drawing.ColorTranslator.cs
+//
+// Authors:
+// Dennis Hayes (dennish@raytek.com)
+// Ravindra (rkumar@novell.com)
+// Sebastien Pouliot <sebastien@ximian.com>
+//
+// Copyright (C) 2001 Ximian, Inc. http://www.ximian.com
+// Copyright (C) 2004,2006-2007 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.
+//
+
+using System.ComponentModel;
+using System.Globalization;
+
+namespace System.Drawing {
+
+ public sealed class ColorTranslator {
+
+ private ColorTranslator ()
+ {
+ }
+
+ public static Color FromHtml (string htmlColor)
+ {
+ if ((htmlColor == null) || (htmlColor.Length == 0))
+ return Color.Empty;
+
+ switch (htmlColor.ToLowerInvariant ()) {
+ case "buttonface":
+ case "threedface":
+ return SystemColors.Control;
+ case "buttonhighlight":
+ case "threedlightshadow":
+ return SystemColors.ControlLightLight;
+ case "buttonshadow":
+ return SystemColors.ControlDark;
+ case "captiontext":
+ return SystemColors.ActiveCaptionText;
+ case "threeddarkshadow":
+ return SystemColors.ControlDarkDark;
+ case "threedhighlight":
+ return SystemColors.ControlLight;
+ case "background":
+ return SystemColors.Desktop;
+ case "buttontext":
+ return SystemColors.ControlText;
+ case "infobackground":
+ return SystemColors.Info;
+ // special case for Color.LightGray versus html's LightGrey (#340917)
+ case "lightgrey":
+ return Color.LightGray;
+ }
+
+ TypeConverter converter = TypeDescriptor.GetConverter (typeof (Color));
+ return (Color) converter.ConvertFromString (htmlColor);
+ }
+
+ internal static Color FromBGR (int bgr)
+ {
+ Color result = Color.FromArgb (0xFF, (bgr & 0xFF), ((bgr >> 8) & 0xFF), ((bgr >> 16) & 0xFF));
+ Color known = KnownColors.FindColorMatch (result);
+ return (known.IsEmpty) ? result : known;
+ }
+
+ public static Color FromOle (int oleColor)
+ {
+ // OleColor format is BGR
+ return FromBGR (oleColor);
+ }
+
+ public static Color FromWin32 (int win32Color)
+ {
+ // Win32Color format is BGR
+ return FromBGR (win32Color);
+ }
+
+ public static string ToHtml (Color c)
+ {
+ if (c.IsEmpty)
+ return String.Empty;
+
+ if (c.IsSystemColor) {
+ KnownColor kc = c.ToKnownColor ();
+ switch (kc) {
+ case KnownColor.ActiveBorder:
+ case KnownColor.ActiveCaption:
+ case KnownColor.AppWorkspace:
+ case KnownColor.GrayText:
+ case KnownColor.Highlight:
+ case KnownColor.HighlightText:
+ case KnownColor.InactiveBorder:
+ case KnownColor.InactiveCaption:
+ case KnownColor.InactiveCaptionText:
+ case KnownColor.InfoText:
+ case KnownColor.Menu:
+ case KnownColor.MenuText:
+ case KnownColor.ScrollBar:
+ case KnownColor.Window:
+ case KnownColor.WindowFrame:
+ case KnownColor.WindowText:
+ return KnownColors.GetName (kc).ToLower (CultureInfo.InvariantCulture);
+
+ case KnownColor.ActiveCaptionText:
+ return "captiontext";
+ case KnownColor.Control:
+ return "buttonface";
+ case KnownColor.ControlDark:
+ return "buttonshadow";
+ case KnownColor.ControlDarkDark:
+ return "threeddarkshadow";
+ case KnownColor.ControlLight:
+ return "buttonface";
+ case KnownColor.ControlLightLight:
+ return "buttonhighlight";
+ case KnownColor.ControlText:
+ return "buttontext";
+ case KnownColor.Desktop:
+ return "background";
+ case KnownColor.HotTrack:
+ return "highlight";
+ case KnownColor.Info:
+ return "infobackground";
+
+ default:
+ return String.Empty;
+ }
+ }
+
+ if (c.IsNamedColor) {
+ if (c == Color.LightGray)
+ return "LightGrey";
+ else
+ return c.Name;
+ }
+
+ return FormatHtml (c.R, c.G, c.B);
+ }
+
+ static char GetHexNumber (int b)
+ {
+ return (char) (b > 9 ? 55 + b : 48 + b);
+ }
+
+ static string FormatHtml (int r, int g, int b)
+ {
+ char [] htmlColor = new char [7];
+ htmlColor [0] = '#';
+ htmlColor [1] = GetHexNumber ((r >> 4) & 15);
+ htmlColor [2] = GetHexNumber (r & 15);
+ htmlColor [3] = GetHexNumber ((g >> 4) & 15);
+ htmlColor [4] = GetHexNumber (g & 15);
+ htmlColor [5] = GetHexNumber ((b >> 4) & 15);
+ htmlColor [6] = GetHexNumber (b & 15);
+
+ return new string (htmlColor);
+ }
+
+ public static int ToOle (Color c)
+ {
+ // OleColor format is BGR, same as Win32
+ return ((c.B << 16) | (c.G << 8) | c.R);
+ }
+
+ public static int ToWin32 (Color c)
+ {
+ // Win32Color format is BGR, Same as OleColor
+ return ((c.B << 16) | (c.G << 8) | c.R);
+ }
+ }
+}
projects / mono.git / blobdiff