Code:
/ 4.0 / 4.0 / 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. //------------------------------------------------------------------------------ // // 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
- TextEditorParagraphs.cs
- ListViewInsertionMark.cs
- WebPartDisplayModeCollection.cs
- StringReader.cs
- XPathSelfQuery.cs
- OdbcConnectionString.cs
- WebSysDefaultValueAttribute.cs
- TextPointer.cs
- Triplet.cs
- DbConnectionFactory.cs
- DataGridViewRowHeaderCell.cs
- DocComment.cs
- RoutingTable.cs
- ApplicationGesture.cs
- XmlSchemaAppInfo.cs
- KnownTypesHelper.cs
- SerializationInfoEnumerator.cs
- XamlVector3DCollectionSerializer.cs
- SiteMap.cs
- OletxTransactionManager.cs
- ProxyAttribute.cs
- panel.cs
- PictureBoxDesigner.cs
- TextEditorParagraphs.cs
- NotifyInputEventArgs.cs
- MsmqInputChannel.cs
- TextRange.cs
- ManagementObjectSearcher.cs
- WindowsStatusBar.cs
- QueryStatement.cs
- EdmRelationshipRoleAttribute.cs
- FontConverter.cs
- IncrementalCompileAnalyzer.cs
- GridViewRowPresenter.cs
- TableRow.cs
- IChannel.cs
- AppDomainCompilerProxy.cs
- XsltInput.cs
- AnnotationObservableCollection.cs
- Trace.cs
- Semaphore.cs
- _DomainName.cs
- NativeMethods.cs
- AdCreatedEventArgs.cs
- DataSetMappper.cs
- ApplicationCommands.cs
- SupportingTokenBindingElement.cs
- D3DImage.cs
- EventLog.cs
- CodeDefaultValueExpression.cs
- InertiaTranslationBehavior.cs
- UnsafeNativeMethods.cs
- XPathNodeHelper.cs
- TTSVoice.cs
- ArrayItemValue.cs
- TreeNode.cs
- ScriptResourceAttribute.cs
- DocumentCollection.cs
- ButtonBase.cs
- ResXDataNode.cs
- RuntimeDelegateArgument.cs
- HttpRuntimeSection.cs
- Perspective.cs
- SiteMembershipCondition.cs
- MemberRelationshipService.cs
- XmlReaderSettings.cs
- XmlAttributeAttribute.cs
- Buffer.cs
- TextEditorCopyPaste.cs
- EntityDataSourceWrapper.cs
- Relationship.cs
- FixedSchema.cs
- DbDataAdapter.cs
- FlowDocumentScrollViewerAutomationPeer.cs
- RowUpdatedEventArgs.cs
- TypeUsage.cs
- DefaultHttpHandler.cs
- RepeaterCommandEventArgs.cs
- CommentEmitter.cs
- IMembershipProvider.cs
- XmlConvert.cs
- MatchNoneMessageFilter.cs
- DesignerActionVerbItem.cs
- ExpressionBuilderContext.cs
- ProvidersHelper.cs
- CalendarModeChangedEventArgs.cs
- HttpModuleCollection.cs
- DesignerDataSchemaClass.cs
- XmlExtensionFunction.cs
- ByteStream.cs
- SqlConnectionHelper.cs
- TableRowGroup.cs
- InvalidPrinterException.cs
- OptimalTextSource.cs
- ShapeTypeface.cs
- IChannel.cs
- MarkerProperties.cs
- XmlSchemaAny.cs
- HttpRequestWrapper.cs
- HwndProxyElementProvider.cs