-//\r
-// TextRenderer.cs\r
-//\r
-// Permission is hereby granted, free of charge, to any person obtaining\r
-// a copy of this software and associated documentation files (the\r
-// "Software"), to deal in the Software without restriction, including\r
-// without limitation the rights to use, copy, modify, merge, publish,\r
-// distribute, sublicense, and/or sell copies of the Software, and to\r
-// permit persons to whom the Software is furnished to do so, subject to\r
-// the following conditions:\r
-// \r
-// The above copyright notice and this permission notice shall be\r
-// included in all copies or substantial portions of the Software.\r
-// \r
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
-//\r
-// Copyright (c) 2006 Novell, Inc.\r
-//\r
-// Authors:\r
-// Jonathan Pobst (monkey@jpobst.com)\r
-//\r
-\r
-#if NET_2_0\r
-using System.Drawing;\r
-using System.Runtime.InteropServices;\r
-using System.Text;\r
-using System.Drawing.Text;\r
-\r
-namespace System.Windows.Forms\r
-{\r
- public sealed class TextRenderer\r
- {\r
- #region Public Methods\r
- [MonoTODO("This should be correct for Windows, other platforms need a more accurate fallback method than the one provided")]\r
- public static void DrawText (IDeviceContext dc, string text, Font font, Rectangle bounds, Color foreColor, TextFormatFlags flags)\r
- {\r
- if (Environment.OSVersion.Platform == PlatformID.Win32NT || Environment.OSVersion.Platform == PlatformID.Win32Windows) {\r
- Rectangle new_bounds = bounds;\r
- new_bounds.Offset ((int)(dc as Graphics).Transform.OffsetX + 0, (int)(dc as Graphics).Transform.OffsetY + 0);\r
- IntPtr hdc = dc.GetHdc ();\r
-\r
- SetTextColor (hdc, ColorTranslator.ToWin32 (foreColor));\r
- SetBkMode (hdc, 1); //1-Transparent, 2-Opaque\r
-\r
- VisualStyles.UXTheme.RECT r = VisualStyles.UXTheme.RECT.FromRectangle (new_bounds);\r
-\r
- if (font != null)\r
- SelectObject (hdc, font.ToHfont ());\r
-\r
- DrawText (hdc, text, text.Length, ref r, (int)flags);\r
- dc.ReleaseHdc ();\r
- }\r
- else {\r
- Graphics g;\r
-\r
- if (dc is Graphics)\r
- g = (Graphics)dc;\r
- else\r
- g = Graphics.FromHdc (dc.GetHdc ());\r
-\r
- StringFormat sf = FlagsToStringFormat (flags);\r
-\r
- using (Brush b = new SolidBrush (foreColor))\r
- g.DrawString (text, font, b, bounds, sf);\r
-\r
- if (!(dc is Graphics)) {\r
- g.Dispose ();\r
- dc.ReleaseHdc ();\r
- }\r
- }\r
- }\r
-\r
- [MonoTODO ("This should be correct for Windows, other platforms need a more accurate fallback method than the one provided")]\r
- public static void DrawText (IDeviceContext dc, string text, Font font, Point pt, Color foreColor, TextFormatFlags flags)\r
- {\r
- if (Environment.OSVersion.Platform == PlatformID.Win32NT || Environment.OSVersion.Platform == PlatformID.Win32Windows) {\r
- IntPtr hdc = dc.GetHdc ();\r
-\r
- SetTextColor (hdc, ColorTranslator.ToWin32 (foreColor));\r
- SetBkMode (hdc, 1); //1-Transparent, 2-Opaque\r
-\r
- Size sz = MeasureText(text, font);\r
- \r
- VisualStyles.UXTheme.RECT r = new System.Windows.Forms.VisualStyles.UXTheme.RECT(pt.X, pt.Y, pt.X + sz.Width, pt.Y + sz.Height);\r
-\r
- if (font != null)\r
- SelectObject (hdc, font.ToHfont ());\r
-\r
- DrawText (hdc, text, text.Length, ref r, (int)flags);\r
- dc.ReleaseHdc ();\r
- }\r
- else {\r
- Graphics g;\r
-\r
- if (dc is Graphics)\r
- g = (Graphics)dc;\r
- else\r
- g = Graphics.FromHdc (dc.GetHdc ());\r
-\r
- StringFormat sf = FlagsToStringFormat (flags);\r
-\r
- using (Brush b = new SolidBrush (foreColor))\r
- g.DrawString (text, font, b, pt, sf);\r
-\r
- if (!(dc is Graphics)) {\r
- g.Dispose ();\r
- dc.ReleaseHdc ();\r
- }\r
- }\r
- }\r
-\r
- [MonoTODO ("This should be correct for Windows, other platforms need a more accurate fallback method than the one provided")]\r
- public static Size MeasureText (string text, Font font)\r
- {\r
- if (Environment.OSVersion.Platform == PlatformID.Win32NT || Environment.OSVersion.Platform == PlatformID.Win32Windows) {\r
- Bitmap b = new Bitmap (5, 5);\r
- Graphics g = Graphics.FromImage (b);\r
- \r
- IntPtr hdc = g.GetHdc ();\r
-\r
- if (font != null)\r
- SelectObject (hdc, font.ToHfont ());\r
- \r
- VisualStyles.UXTheme.SIZE text_size = new System.Windows.Forms.VisualStyles.UXTheme.SIZE();\r
-\r
- GetTextExtentPoint32 (hdc, text, text.Length, out text_size);\r
- \r
- g.ReleaseHdc();\r
- \r
- Size retval = text_size.ToSize();\r
- //retval.Height += 4;\r
- if (retval.Width > 0) retval.Width += 6;\r
- return retval;\r
- }\r
- else {\r
- Bitmap b = new Bitmap (5, 5);\r
- Graphics g = Graphics.FromImage (b);\r
-\r
- Size retval = g.MeasureString(text,font).ToSize();\r
- if (retval.Width > 0) retval.Width += 6;\r
- return retval; \r
- }\r
- }\r
- #endregion\r
-\r
- #region Private Methods\r
- private static StringFormat FlagsToStringFormat (TextFormatFlags flags)\r
- {\r
- StringFormat sf = new StringFormat ();\r
-\r
- // Translation table: http://msdn.microsoft.com/msdnmag/issues/06/03/TextRendering/default.aspx?fig=true#fig4\r
-\r
- // Horizontal Alignment\r
- if ((flags & TextFormatFlags.HorizontalCenter) == TextFormatFlags.HorizontalCenter)\r
- sf.Alignment = StringAlignment.Center;\r
- else if ((flags & TextFormatFlags.Right) == TextFormatFlags.Right)\r
- sf.Alignment = StringAlignment.Far;\r
- else\r
- sf.Alignment = StringAlignment.Near;\r
-\r
- // Vertical Alignment\r
- if ((flags & TextFormatFlags.Bottom) == TextFormatFlags.Bottom)\r
- sf.LineAlignment = StringAlignment.Far;\r
- else if ((flags & TextFormatFlags.VerticalCenter) == TextFormatFlags.VerticalCenter)\r
- sf.LineAlignment = StringAlignment.Center;\r
- else\r
- sf.LineAlignment = StringAlignment.Near;\r
-\r
- // Ellipsis\r
- if ((flags & TextFormatFlags.EndEllipsis) == TextFormatFlags.EndEllipsis)\r
- sf.Trimming = StringTrimming.EllipsisCharacter;\r
- else if ((flags & TextFormatFlags.PathEllipsis) == TextFormatFlags.PathEllipsis)\r
- sf.Trimming = StringTrimming.EllipsisPath;\r
- else if ((flags & TextFormatFlags.WordEllipsis) == TextFormatFlags.WordEllipsis)\r
- sf.Trimming = StringTrimming.EllipsisWord;\r
- else\r
- sf.Trimming = StringTrimming.Character;\r
-\r
- // Hotkey Prefix\r
- if ((flags & TextFormatFlags.NoPrefix) == TextFormatFlags.NoPrefix)\r
- sf.HotkeyPrefix = HotkeyPrefix.None;\r
- else if ((flags & TextFormatFlags.HidePrefix) == TextFormatFlags.HidePrefix)\r
- sf.HotkeyPrefix = HotkeyPrefix.Hide;\r
- else\r
- sf.HotkeyPrefix = HotkeyPrefix.Show;\r
-\r
- // Text Padding\r
- if ((flags & TextFormatFlags.NoPadding) == TextFormatFlags.NoPadding)\r
- sf.FormatFlags |= StringFormatFlags.FitBlackBox;\r
-\r
- // Text Wrapping\r
- if ((flags & TextFormatFlags.SingleLine) == TextFormatFlags.SingleLine)\r
- sf.FormatFlags |= StringFormatFlags.NoWrap;\r
- else if ((flags & TextFormatFlags.TextBoxControl) == TextFormatFlags.TextBoxControl)\r
- sf.FormatFlags |= StringFormatFlags.LineLimit;\r
-\r
- // Other Flags\r
- if ((flags & TextFormatFlags.RightToLeft) == TextFormatFlags.RightToLeft)\r
- sf.FormatFlags |= StringFormatFlags.DirectionRightToLeft;\r
- if ((flags & TextFormatFlags.NoClipping) == TextFormatFlags.NoClipping)\r
- sf.FormatFlags |= StringFormatFlags.NoClip;\r
- sf.FormatFlags |= StringFormatFlags.NoClip;\r
-\r
- return sf;\r
- }\r
- #endregion\r
-\r
- #region DllImports (Windows)\r
- [DllImport ("user32", CharSet = CharSet.Unicode)]\r
- static extern int DrawText (IntPtr hdc, string lpStr, int nCount, ref VisualStyles.UXTheme.RECT lpRect, int wFormat);\r
-\r
- [DllImport ("gdi32")]\r
- static extern int SetTextColor (IntPtr hdc, int crColor);\r
-\r
- [DllImport ("gdi32")]\r
- private extern static IntPtr SelectObject (IntPtr hDC, IntPtr hObject);\r
-\r
- [DllImport ("gdi32")]\r
- static extern int SetBkColor (IntPtr hdc, int crColor);\r
-\r
- [DllImport ("gdi32")]\r
- static extern int SetBkMode (IntPtr hdc, int iBkMode);\r
-\r
- [DllImport ("gdi32")]\r
- static extern bool GetTextExtentExPoint (IntPtr hdc, string lpszStr, int cchString, int nMaxExtent, IntPtr lpnFit, IntPtr alpDx, out VisualStyles.UXTheme.SIZE lpSize);\r
-\r
- [DllImport ("gdi32")]\r
- static extern bool GetTextExtentPoint32 (IntPtr hdc, string lpString, int cbString, out VisualStyles.UXTheme.SIZE lpSize);\r
- #endregion\r
- }\r
-\r
-}\r
-#endif
\ No newline at end of file
+//
+// TextRenderer.cs
+//
+// 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.
+//
+// Copyright (c) 2006 Novell, Inc.
+//
+// Authors:
+// Jonathan Pobst (monkey@jpobst.com)
+//
+
+#if NET_2_0
+using System.Drawing;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Drawing.Text;
+
+namespace System.Windows.Forms
+{
+ public sealed class TextRenderer
+ {
+ private TextRenderer ()
+ {
+ }
+
+ #region Public Methods
+ [MonoTODO("This should be correct for Windows, other platforms need a more accurate fallback method than the one provided")]
+ public static void DrawText (IDeviceContext dc, string text, Font font, Rectangle bounds, Color foreColor, TextFormatFlags flags)
+ {
+ if (text == null || text.Length == 0)
+ return;
+
+ if (Environment.OSVersion.Platform == PlatformID.Win32NT || Environment.OSVersion.Platform == PlatformID.Win32Windows) {
+ Rectangle new_bounds = bounds;
+ new_bounds.Offset ((int)(dc as Graphics).Transform.OffsetX + 0, (int)(dc as Graphics).Transform.OffsetY + 0);
+ IntPtr hdc = dc.GetHdc ();
+
+ SetTextColor (hdc, ColorTranslator.ToWin32 (foreColor));
+ SetBkMode (hdc, 1); //1-Transparent, 2-Opaque
+
+ VisualStyles.UXTheme.RECT r = VisualStyles.UXTheme.RECT.FromRectangle (new_bounds);
+
+ if (font != null)
+ SelectObject (hdc, font.ToHfont ());
+
+ DrawText (hdc, text, text.Length, ref r, (int)flags);
+ dc.ReleaseHdc ();
+ }
+ else {
+ Graphics g;
+
+ if (dc is Graphics)
+ g = (Graphics)dc;
+ else
+ g = Graphics.FromHdc (dc.GetHdc ());
+
+ StringFormat sf = FlagsToStringFormat (flags);
+
+ using (Brush b = new SolidBrush (foreColor))
+ g.DrawString (text, font, b, bounds, sf);
+
+ if (!(dc is Graphics)) {
+ g.Dispose ();
+ dc.ReleaseHdc ();
+ }
+ }
+ }
+
+ [MonoTODO ("This should be correct for Windows, other platforms need a more accurate fallback method than the one provided")]
+ public static void DrawText (IDeviceContext dc, string text, Font font, Point pt, Color foreColor, TextFormatFlags flags)
+ {
+ if (Environment.OSVersion.Platform == PlatformID.Win32NT || Environment.OSVersion.Platform == PlatformID.Win32Windows) {
+ IntPtr hdc = dc.GetHdc ();
+
+ SetTextColor (hdc, ColorTranslator.ToWin32 (foreColor));
+ SetBkMode (hdc, 1); //1-Transparent, 2-Opaque
+
+ Size sz = MeasureText(text, font);
+
+ VisualStyles.UXTheme.RECT r = new System.Windows.Forms.VisualStyles.UXTheme.RECT(pt.X, pt.Y, pt.X + sz.Width, pt.Y + sz.Height);
+
+ if (font != null)
+ SelectObject (hdc, font.ToHfont ());
+
+ DrawText (hdc, text, text.Length, ref r, (int)flags);
+ dc.ReleaseHdc ();
+ }
+ else {
+ Graphics g;
+
+ if (dc is Graphics)
+ g = (Graphics)dc;
+ else
+ g = Graphics.FromHdc (dc.GetHdc ());
+
+ StringFormat sf = FlagsToStringFormat (flags);
+
+ using (Brush b = new SolidBrush (foreColor))
+ g.DrawString (text, font, b, pt, sf);
+
+ if (!(dc is Graphics)) {
+ g.Dispose ();
+ dc.ReleaseHdc ();
+ }
+ }
+ }
+
+ [MonoTODO ("This should be correct for Windows, other platforms need a more accurate fallback method than the one provided")]
+ public static Size MeasureText (string text, Font font)
+ {
+ if (Environment.OSVersion.Platform == PlatformID.Win32NT || Environment.OSVersion.Platform == PlatformID.Win32Windows) {
+ Bitmap b = new Bitmap (5, 5);
+ Graphics g = Graphics.FromImage (b);
+
+ IntPtr hdc = g.GetHdc ();
+
+ if (font != null)
+ SelectObject (hdc, font.ToHfont ());
+
+ VisualStyles.UXTheme.SIZE text_size = new System.Windows.Forms.VisualStyles.UXTheme.SIZE();
+
+ GetTextExtentPoint32 (hdc, text, text.Length, out text_size);
+
+ g.ReleaseHdc();
+
+ Size retval = text_size.ToSize();
+ //retval.Height += 4;
+ if (retval.Width > 0) retval.Width += 6;
+ return retval;
+ }
+ else {
+ Bitmap b = new Bitmap (5, 5);
+ Graphics g = Graphics.FromImage (b);
+
+ Size retval = g.MeasureString(text,font).ToSize();
+ if (retval.Width > 0) retval.Width += 6;
+ return retval;
+ }
+ }
+
+ [MonoTODO ("This should be correct for Windows, other platforms need a more accurate fallback method than the one provided")]
+ public static Size MeasureText (string text, Font font, Size proposedSize, TextFormatFlags flags)
+ {
+ if (Environment.OSVersion.Platform == PlatformID.Win32NT || Environment.OSVersion.Platform == PlatformID.Win32Windows) {
+ if ((flags & TextFormatFlags.HidePrefix) == TextFormatFlags.HidePrefix)
+ {
+ text = text.Replace ("&", "");
+ }
+
+ Bitmap b = new Bitmap (5, 5);
+ Graphics g = Graphics.FromImage (b);
+
+ IntPtr hdc = g.GetHdc ();
+
+ if (font != null)
+ SelectObject (hdc, font.ToHfont ());
+
+ VisualStyles.UXTheme.SIZE text_size = new System.Windows.Forms.VisualStyles.UXTheme.SIZE ();
+
+ GetTextExtentPoint32 (hdc, text, text.Length, out text_size);
+
+ g.ReleaseHdc ();
+
+ Size retval = text_size.ToSize ();
+ //retval.Height += 4;
+ if (retval.Width > 0) retval.Width += 6;
+ return retval;
+ }
+ else {
+ Bitmap b = new Bitmap (5, 5);
+ Graphics g = Graphics.FromImage (b);
+
+ Size retval = g.MeasureString (text, font).ToSize ();
+ if (retval.Width > 0) retval.Width += 6;
+ return retval;
+ }
+ }
+ #endregion
+
+ #region Private Methods
+ private static StringFormat FlagsToStringFormat (TextFormatFlags flags)
+ {
+ StringFormat sf = new StringFormat ();
+
+ // Translation table: http://msdn.microsoft.com/msdnmag/issues/06/03/TextRendering/default.aspx?fig=true#fig4
+
+ // Horizontal Alignment
+ if ((flags & TextFormatFlags.HorizontalCenter) == TextFormatFlags.HorizontalCenter)
+ sf.Alignment = StringAlignment.Center;
+ else if ((flags & TextFormatFlags.Right) == TextFormatFlags.Right)
+ sf.Alignment = StringAlignment.Far;
+ else
+ sf.Alignment = StringAlignment.Near;
+
+ // Vertical Alignment
+ if ((flags & TextFormatFlags.Bottom) == TextFormatFlags.Bottom)
+ sf.LineAlignment = StringAlignment.Far;
+ else if ((flags & TextFormatFlags.VerticalCenter) == TextFormatFlags.VerticalCenter)
+ sf.LineAlignment = StringAlignment.Center;
+ else
+ sf.LineAlignment = StringAlignment.Near;
+
+ // Ellipsis
+ if ((flags & TextFormatFlags.EndEllipsis) == TextFormatFlags.EndEllipsis)
+ sf.Trimming = StringTrimming.EllipsisCharacter;
+ else if ((flags & TextFormatFlags.PathEllipsis) == TextFormatFlags.PathEllipsis)
+ sf.Trimming = StringTrimming.EllipsisPath;
+ else if ((flags & TextFormatFlags.WordEllipsis) == TextFormatFlags.WordEllipsis)
+ sf.Trimming = StringTrimming.EllipsisWord;
+ else
+ sf.Trimming = StringTrimming.Character;
+
+ // Hotkey Prefix
+ if ((flags & TextFormatFlags.NoPrefix) == TextFormatFlags.NoPrefix)
+ sf.HotkeyPrefix = HotkeyPrefix.None;
+ else if ((flags & TextFormatFlags.HidePrefix) == TextFormatFlags.HidePrefix)
+ sf.HotkeyPrefix = HotkeyPrefix.Hide;
+ else
+ sf.HotkeyPrefix = HotkeyPrefix.Show;
+
+ // Text Padding
+ if ((flags & TextFormatFlags.NoPadding) == TextFormatFlags.NoPadding)
+ sf.FormatFlags |= StringFormatFlags.FitBlackBox;
+
+ // Text Wrapping
+ if ((flags & TextFormatFlags.SingleLine) == TextFormatFlags.SingleLine)
+ sf.FormatFlags |= StringFormatFlags.NoWrap;
+ else if ((flags & TextFormatFlags.TextBoxControl) == TextFormatFlags.TextBoxControl)
+ sf.FormatFlags |= StringFormatFlags.LineLimit;
+
+ // Other Flags
+ if ((flags & TextFormatFlags.RightToLeft) == TextFormatFlags.RightToLeft)
+ sf.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
+ if ((flags & TextFormatFlags.NoClipping) == TextFormatFlags.NoClipping)
+ sf.FormatFlags |= StringFormatFlags.NoClip;
+ sf.FormatFlags |= StringFormatFlags.NoClip;
+
+ return sf;
+ }
+ #endregion
+
+ #region DllImports (Windows)
+ [DllImport ("user32", CharSet = CharSet.Unicode)]
+ static extern int DrawText (IntPtr hdc, string lpStr, int nCount, ref VisualStyles.UXTheme.RECT lpRect, int wFormat);
+
+ [DllImport ("gdi32")]
+ static extern int SetTextColor (IntPtr hdc, int crColor);
+
+ [DllImport ("gdi32")]
+ private extern static IntPtr SelectObject (IntPtr hDC, IntPtr hObject);
+
+ //[DllImport ("gdi32")]
+ //static extern int SetBkColor (IntPtr hdc, int crColor);
+
+ [DllImport ("gdi32")]
+ static extern int SetBkMode (IntPtr hdc, int iBkMode);
+
+ //[DllImport ("gdi32")]
+ //static extern bool GetTextExtentExPoint (IntPtr hdc, string lpszStr, int cchString, int nMaxExtent, IntPtr lpnFit, IntPtr alpDx, out VisualStyles.UXTheme.SIZE lpSize);
+
+ [DllImport ("gdi32")]
+ static extern bool GetTextExtentPoint32 (IntPtr hdc, string lpString, int cbString, out VisualStyles.UXTheme.SIZE lpSize);
+ #endregion
+ }
+
+}
+#endif
projects / mono.git / blobdiff