Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / GDI / TextRenderer.cs / 1305376 / TextRenderer.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System.Internal; using System; using System.Drawing; using System.Windows.Forms.Internal; using System.Diagnostics; ////// /// public sealed class TextRenderer { //cannot instantiate private TextRenderer() { } ////// This class provides API for drawing GDI text. /// ///public static void DrawText(IDeviceContext dc, string text, Font font, Point pt, Color foreColor) { if (dc == null) { throw new ArgumentNullException("dc"); } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); IntPtr hdc = dc.GetHdc(); try { using( WindowsGraphics wg = WindowsGraphics.FromHdc( hdc )) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality)) { wg.DrawText(text, wf, pt, foreColor); } } } finally { dc.ReleaseHdc(); } } /// public static void DrawText(IDeviceContext dc, string text, Font font, Point pt, Color foreColor, Color backColor) { if (dc == null) { throw new ArgumentNullException("dc"); } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); IntPtr hdc = dc.GetHdc(); try { using( WindowsGraphics wg = WindowsGraphics.FromHdc( hdc )) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality)) { wg.DrawText(text, wf, pt, foreColor, backColor); } } } finally { dc.ReleaseHdc(); } } /// public static void DrawText(IDeviceContext dc, string text, Font font, Point pt, Color foreColor, TextFormatFlags flags) { if (dc == null) { throw new ArgumentNullException("dc"); } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, flags )) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality)) { wgr.WindowsGraphics.DrawText(text, wf, pt, foreColor, GetIntTextFormatFlags(flags)); } } } /// public static void DrawText(IDeviceContext dc, string text, Font font, Point pt, Color foreColor, Color backColor, TextFormatFlags flags) { if (dc == null) { throw new ArgumentNullException("dc"); } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, flags )) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality)) { wgr.WindowsGraphics.DrawText(text, wf, pt, foreColor, backColor, GetIntTextFormatFlags(flags)); } } } /// public static void DrawText(IDeviceContext dc, string text, Font font, Rectangle bounds, Color foreColor) { if (dc == null) { throw new ArgumentNullException("dc"); } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); IntPtr hdc = dc.GetHdc(); try { using( WindowsGraphics wg = WindowsGraphics.FromHdc( hdc )) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality)) { wg.DrawText(text, wf, bounds, foreColor); } } } finally { dc.ReleaseHdc(); } } /// public static void DrawText(IDeviceContext dc, string text, Font font, Rectangle bounds, Color foreColor, Color backColor) { if (dc == null) { throw new ArgumentNullException("dc"); } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); IntPtr hdc = dc.GetHdc(); try { using( WindowsGraphics wg = WindowsGraphics.FromHdc( hdc )) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality)) { wg.DrawText(text, wf, bounds, foreColor, backColor); } } } finally { dc.ReleaseHdc(); } } /// public static void DrawText(IDeviceContext dc, string text, Font font, Rectangle bounds, Color foreColor, TextFormatFlags flags) { if (dc == null) { throw new ArgumentNullException("dc"); } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, flags )) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont( font, fontQuality )) { wgr.WindowsGraphics.DrawText( text, wf, bounds, foreColor, GetIntTextFormatFlags( flags ) ); } } } /// public static void DrawText(IDeviceContext dc, string text, Font font, Rectangle bounds, Color foreColor, Color backColor, TextFormatFlags flags) { if (dc == null) { throw new ArgumentNullException("dc"); } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); using( WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper( dc, flags )) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont( font, fontQuality )) { wgr.WindowsGraphics.DrawText(text, wf, bounds, foreColor, backColor, GetIntTextFormatFlags(flags)); } } } private static IntTextFormatFlags GetIntTextFormatFlags(TextFormatFlags flags) { if( ((uint)flags & WindowsGraphics.GdiUnsupportedFlagMask) == 0 ) { return (IntTextFormatFlags) flags; } // Clear TextRenderer custom flags. IntTextFormatFlags windowsGraphicsSupportedFlags = (IntTextFormatFlags) ( ((uint)flags) & ~WindowsGraphics.GdiUnsupportedFlagMask ); return windowsGraphicsSupportedFlags; } /// MeasureText wrappers. public static Size MeasureText(string text, Font font ) { if (string.IsNullOrEmpty(text)) { return Size.Empty; } using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font)) { return WindowsGraphicsCacheManager.MeasurementGraphics.MeasureText(text, wf); } } public static Size MeasureText(string text, Font font, Size proposedSize ) { if (string.IsNullOrEmpty(text)) { return Size.Empty; } using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font)) { return WindowsGraphicsCacheManager.MeasurementGraphics.MeasureText(text, WindowsGraphicsCacheManager.GetWindowsFont(font), proposedSize); } } public static Size MeasureText(string text, Font font, Size proposedSize, TextFormatFlags flags ) { if (string.IsNullOrEmpty(text)) { return Size.Empty; } using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font)) { return WindowsGraphicsCacheManager.MeasurementGraphics.MeasureText(text, wf, proposedSize, GetIntTextFormatFlags(flags)); } } public static Size MeasureText(IDeviceContext dc, string text, Font font) { if (dc == null) { throw new ArgumentNullException("dc"); } if (string.IsNullOrEmpty(text)) { return Size.Empty; } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); IntPtr hdc = dc.GetHdc(); try { using( WindowsGraphics wg = WindowsGraphics.FromHdc( hdc )) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality)) { return wg.MeasureText(text, wf); } } } finally { dc.ReleaseHdc(); } } public static Size MeasureText(IDeviceContext dc, string text, Font font, Size proposedSize ) { if (dc == null) { throw new ArgumentNullException("dc"); } if (string.IsNullOrEmpty(text)) { return Size.Empty; } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); IntPtr hdc = dc.GetHdc(); try { using( WindowsGraphics wg = WindowsGraphics.FromHdc( hdc )) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality)) { return wg.MeasureText(text, wf, proposedSize); } } } finally { dc.ReleaseHdc(); } } public static Size MeasureText(IDeviceContext dc, string text, Font font, Size proposedSize, TextFormatFlags flags ) { if (dc == null) { throw new ArgumentNullException("dc"); } if (string.IsNullOrEmpty(text)) { return Size.Empty; } WindowsFontQuality fontQuality = WindowsFont.WindowsFontQualityFromTextRenderingHint(dc as Graphics); using (WindowsGraphicsWrapper wgr = new WindowsGraphicsWrapper(dc, flags)) { using (WindowsFont wf = WindowsGraphicsCacheManager.GetWindowsFont(font, fontQuality)) { return wgr.WindowsGraphics.MeasureText(text, wf, proposedSize, GetIntTextFormatFlags(flags)); } } } internal static Color DisabledTextColor(Color backColor) { //Theme specs -- if the backcolor is darker than Control, we use // ControlPaint.Dark(backcolor). Otherwise we use ControlDark. // see VS#357226 Color disabledTextForeColor = SystemColors.ControlDark; if (ControlPaint.IsDarker(backColor, SystemColors.Control)) { disabledTextForeColor = ControlPaint.Dark(backColor); } return disabledTextForeColor; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- EventLogPermission.cs
- TextEditorParagraphs.cs
- ObjectListItem.cs
- PeerCollaborationPermission.cs
- XmlSchemaElement.cs
- GridViewAutomationPeer.cs
- sqlnorm.cs
- WindowsTooltip.cs
- regiisutil.cs
- PermissionListSet.cs
- MD5CryptoServiceProvider.cs
- SqlDataSourceSelectingEventArgs.cs
- IProvider.cs
- ScrollBarRenderer.cs
- PopupEventArgs.cs
- XomlSerializationHelpers.cs
- StandardRuntimeEnumValidatorAttribute.cs
- ToolStripGrip.cs
- PackageRelationshipSelector.cs
- UnmanagedHandle.cs
- ExeContext.cs
- QueryReaderSettings.cs
- OleCmdHelper.cs
- HttpHandlerActionCollection.cs
- ExpressionNode.cs
- NetworkAddressChange.cs
- Button.cs
- BinaryUtilClasses.cs
- CultureInfo.cs
- BitmapEffectDrawing.cs
- WebPartCatalogAddVerb.cs
- VarRemapper.cs
- TextStore.cs
- StylusLogic.cs
- BufferAllocator.cs
- QueryResultOp.cs
- ThrowHelper.cs
- BatchStream.cs
- MemoryPressure.cs
- Size3D.cs
- RegistryPermission.cs
- ConnectionStringSettingsCollection.cs
- ByteStream.cs
- StandardToolWindows.cs
- DataGridTableStyleMappingNameEditor.cs
- CultureNotFoundException.cs
- MSAAEventDispatcher.cs
- NonBatchDirectoryCompiler.cs
- NameTable.cs
- StringSorter.cs
- MarkupCompilePass2.cs
- exports.cs
- DesignerAdRotatorAdapter.cs
- HostAdapter.cs
- SvcMapFileSerializer.cs
- SqlCacheDependencyDatabaseCollection.cs
- XmlStreamNodeWriter.cs
- MulticastIPAddressInformationCollection.cs
- MetafileHeaderEmf.cs
- RouteParametersHelper.cs
- ValidationHelpers.cs
- DotExpr.cs
- OutputCacheProfileCollection.cs
- OdbcConnection.cs
- ContentValidator.cs
- QuaternionValueSerializer.cs
- SystemResourceKey.cs
- SymDocumentType.cs
- HatchBrush.cs
- SqlUtil.cs
- WebBrowserNavigatingEventHandler.cs
- Variable.cs
- MethodInfo.cs
- TextEncodedRawTextWriter.cs
- RSAPKCS1KeyExchangeDeformatter.cs
- JsonReaderDelegator.cs
- InvalidDataException.cs
- OleDbPropertySetGuid.cs
- PointHitTestResult.cs
- SynchronizedCollection.cs
- HtmlTextArea.cs
- ObjectStateEntryDbUpdatableDataRecord.cs
- OciLobLocator.cs
- VirtualDirectoryMapping.cs
- TraceListeners.cs
- WaitHandleCannotBeOpenedException.cs
- BindingCompleteEventArgs.cs
- NativeMethods.cs
- RemotingConfigParser.cs
- TextEffectCollection.cs
- MsmqInputSessionChannel.cs
- ResourceType.cs
- MetadataCache.cs
- AssemblyName.cs
- Decorator.cs
- TreeViewImageIndexConverter.cs
- MenuItem.cs
- HtmlMeta.cs
- RelatedEnd.cs
- XmlExtensionFunction.cs