Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / WinForms / Managed / System / WinForms / GDI / TextRenderer.cs / 1 / 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
- IgnoreDataMemberAttribute.cs
- HtmlElementErrorEventArgs.cs
- BoundingRectTracker.cs
- ConfigurationException.cs
- DbResourceAllocator.cs
- ResourceAttributes.cs
- ComboBox.cs
- FormCollection.cs
- Timer.cs
- SqlDataSourceStatusEventArgs.cs
- ValueChangedEventManager.cs
- DataControlButton.cs
- SchemaNamespaceManager.cs
- SessionPageStatePersister.cs
- SpecularMaterial.cs
- WebFormsRootDesigner.cs
- CapabilitiesPattern.cs
- PermissionListSet.cs
- TimeStampChecker.cs
- HGlobalSafeHandle.cs
- JsonWriterDelegator.cs
- PointConverter.cs
- XmlAtomErrorReader.cs
- CodeTypeReference.cs
- ExpressionVisitorHelpers.cs
- TreeView.cs
- ObjectDataSourceView.cs
- HttpResponseWrapper.cs
- ETagAttribute.cs
- RadioButtonDesigner.cs
- FrameworkTemplate.cs
- SchemaName.cs
- XmlComment.cs
- StaticTextPointer.cs
- KeyValueInternalCollection.cs
- UIPermission.cs
- WebCategoryAttribute.cs
- Table.cs
- SignHashRequest.cs
- EventsTab.cs
- WaitHandle.cs
- DBDataPermission.cs
- X509Certificate2.cs
- DefaultMergeHelper.cs
- ColumnWidthChangedEvent.cs
- TextEditorSelection.cs
- BamlBinaryReader.cs
- KeyConverter.cs
- EditorAttributeInfo.cs
- InfiniteTimeSpanConverter.cs
- BroadcastEventHelper.cs
- DragEvent.cs
- OperationInfoBase.cs
- MetadataArtifactLoaderCompositeFile.cs
- TypeUtils.cs
- CryptoProvider.cs
- PageBorderless.cs
- DataServiceEntityAttribute.cs
- ClientUrlResolverWrapper.cs
- OutputCacheSection.cs
- ListView.cs
- CheckBoxField.cs
- ListenerBinder.cs
- TreeViewHitTestInfo.cs
- HwndSourceParameters.cs
- CompilerError.cs
- TreeNodeSelectionProcessor.cs
- ComplexTypeEmitter.cs
- GroupByExpressionRewriter.cs
- HtmlShimManager.cs
- TwoPhaseCommit.cs
- KeyGestureConverter.cs
- SortedList.cs
- TraceData.cs
- SafeNativeMethodsCLR.cs
- TdsParserSessionPool.cs
- WmlListAdapter.cs
- ConnectionInterfaceCollection.cs
- ResourceKey.cs
- Vector3DAnimation.cs
- HttpResponseHeader.cs
- SamlNameIdentifierClaimResource.cs
- UpWmlPageAdapter.cs
- NonDualMessageSecurityOverHttp.cs
- DurableEnlistmentState.cs
- RowUpdatingEventArgs.cs
- Confirm.cs
- InstanceStoreQueryResult.cs
- SecurityTokenException.cs
- XmlQueryTypeFactory.cs
- HttpModuleAction.cs
- HwndSourceParameters.cs
- MergePropertyDescriptor.cs
- HandlerMappingMemo.cs
- BitmapSourceSafeMILHandle.cs
- TextSelection.cs
- FormatterConverter.cs
- DesignerToolStripControlHost.cs
- RenderingEventArgs.cs
- AspNetHostingPermission.cs