Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / ButtonInternal / RadioButtonBaseAdapter.cs / 1305376 / RadioButtonBaseAdapter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms.ButtonInternal { using System; using System.Diagnostics; using System.Drawing; using System.Windows.Forms.Internal; using System.Drawing.Drawing2D; using System.Drawing.Imaging; using System.Drawing.Text; using System.Windows.Forms; using System.Windows.Forms.VisualStyles; internal abstract class RadioButtonBaseAdapter : CheckableControlBaseAdapter { internal RadioButtonBaseAdapter(ButtonBase control) : base(control) {} protected new RadioButton Control { get { return ((RadioButton)base.Control); } } #region Drawing helpers protected void DrawCheckFlat(PaintEventArgs e, LayoutData layout, Color checkColor, Color checkBackground, Color checkBorder) { DrawCheckBackgroundFlat(e, layout.checkBounds, checkBorder, checkBackground, true); DrawCheckOnly(e, layout, checkColor, checkBackground, true); } protected void DrawCheckBackground3DLite(PaintEventArgs e, Rectangle bounds, Color checkColor, Color checkBackground, ColorData colors, bool disabledColors) { Graphics g = e.Graphics; Color field = checkBackground; if (!Control.Enabled && disabledColors) { field = SystemColors.Control; } using (Brush fieldBrush = new SolidBrush(field)) { using (Pen dark = new Pen(colors.buttonShadow), light = new Pen(colors.buttonFace), lightlight = new Pen(colors.highlight)) { bounds.Width--; bounds.Height--; // fall a little short of SW, NW, NE, SE because corners come out nasty g.DrawPie(dark, bounds, (float)(135 + 1), (float)(90 - 2)); g.DrawPie(dark, bounds, (float)(225 + 1), (float)(90 - 2)); g.DrawPie(lightlight, bounds, (float)(315 + 1), (float)(90 - 2)); g.DrawPie(lightlight, bounds, (float)(45 + 1), (float)(90 - 2)); bounds.Inflate(-1, -1); g.FillEllipse(fieldBrush, bounds); g.DrawEllipse(light, bounds); } } } protected void DrawCheckBackgroundFlat(PaintEventArgs e, Rectangle bounds, Color borderColor, Color checkBackground, bool disabledColors) { Color field = checkBackground; Color border = borderColor; if (!Control.Enabled && disabledColors) { border = ControlPaint.ContrastControlDark; field = SystemColors.Control; } float scale = GetDpiScaleRatio(e.Graphics); using( WindowsGraphics wg = WindowsGraphics.FromGraphics(e.Graphics) ) { using( WindowsPen borderPen = new WindowsPen(wg.DeviceContext, border) ) { using( WindowsBrush fieldBrush = new WindowsSolidBrush(wg.DeviceContext, field) ) { // for Dev10 525537, in high DPI mode when we draw ellipse as three rectantles, // the quality of ellipse is poor. Draw it directly as ellipse if(scale > 1.1) { bounds.Width--; bounds.Height--; wg.DrawAndFillEllipse(borderPen, fieldBrush, bounds); bounds.Inflate(-1, -1); } else { DrawAndFillEllipse(wg, borderPen, fieldBrush, bounds); } } } } } // Helper method to overcome the poor GDI ellipse drawing routine // VSWhidbey #334097 private static void DrawAndFillEllipse(WindowsGraphics wg, WindowsPen borderPen, WindowsBrush fieldBrush, Rectangle bounds) { Debug.Assert(wg != null,"Calling DrawAndFillEllipse with null wg"); if (wg == null) { return; } wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 2, bounds.Y + 2, 8, 8)); wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 4, bounds.Y + 1, 4, 10)); wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 1, bounds.Y + 4, 10, 4)); wg.DrawLine(borderPen, new Point(bounds.X + 4, bounds.Y + 0), new Point(bounds.X + 8, bounds.Y + 0)); wg.DrawLine(borderPen, new Point(bounds.X + 4, bounds.Y + 11), new Point(bounds.X + 8, bounds.Y + 11)); wg.DrawLine(borderPen, new Point(bounds.X + 2, bounds.Y + 1), new Point(bounds.X + 4, bounds.Y + 1)); wg.DrawLine(borderPen, new Point(bounds.X + 8, bounds.Y + 1), new Point(bounds.X + 10, bounds.Y + 1)); wg.DrawLine(borderPen, new Point(bounds.X + 2, bounds.Y + 10), new Point(bounds.X + 4, bounds.Y + 10)); wg.DrawLine(borderPen, new Point(bounds.X + 8, bounds.Y + 10), new Point(bounds.X + 10, bounds.Y + 10)); wg.DrawLine(borderPen, new Point(bounds.X + 0, bounds.Y + 4), new Point(bounds.X + 0, bounds.Y + 8)); wg.DrawLine(borderPen, new Point(bounds.X + 11, bounds.Y + 4), new Point(bounds.X + 11, bounds.Y + 8)); wg.DrawLine(borderPen, new Point(bounds.X + 1, bounds.Y + 2), new Point(bounds.X + 1, bounds.Y + 4)); wg.DrawLine(borderPen, new Point(bounds.X + 1, bounds.Y + 8), new Point(bounds.X + 1, bounds.Y + 10)); wg.DrawLine(borderPen, new Point(bounds.X + 10, bounds.Y + 2), new Point(bounds.X + 10, bounds.Y + 4)); wg.DrawLine(borderPen, new Point(bounds.X + 10, bounds.Y + 8), new Point(bounds.X + 10, bounds.Y + 10)); } private static int GetScaledNumber(int n, float scale) { return (int)(n * scale); } protected void DrawCheckOnly(PaintEventArgs e, LayoutData layout, Color checkColor, Color checkBackground, bool disabledColors) { // check // if (Control.Checked) { if (!Control.Enabled && disabledColors) { checkColor = SystemColors.ControlDark; } float scale = GetDpiScaleRatio(e.Graphics); using( WindowsGraphics wg = WindowsGraphics.FromGraphics(e.Graphics) ) { using (WindowsBrush brush = new WindowsSolidBrush(wg.DeviceContext, checkColor)) { // circle drawing doesn't work at this size int offset = 5; Rectangle vCross = new Rectangle (layout.checkBounds.X + GetScaledNumber(offset, scale), layout.checkBounds.Y + GetScaledNumber(offset - 1, scale), GetScaledNumber(2, scale), GetScaledNumber(4, scale)); wg.FillRectangle(brush, vCross); Rectangle hCross = new Rectangle (layout.checkBounds.X + GetScaledNumber(offset - 1, scale), layout.checkBounds.Y + GetScaledNumber(offset, scale), GetScaledNumber(4, scale), GetScaledNumber(2, scale)); wg.FillRectangle(brush, hCross); } } } } protected ButtonState GetState() { ButtonState style = (ButtonState)0; if (Control.Checked) { style |= ButtonState.Checked; } else { style |= ButtonState.Normal; } if (!Control.Enabled) { style |= ButtonState.Inactive; } if (Control.MouseIsDown) { style |= ButtonState.Pushed; } return style; } protected void DrawCheckBox(PaintEventArgs e, LayoutData layout) { Graphics g = e.Graphics; Rectangle check = layout.checkBounds; if (!Application.RenderWithVisualStyles) { check.X--; // compensate for Windows drawing slightly offset to right } ButtonState style = GetState(); if (Application.RenderWithVisualStyles) { RadioButtonRenderer.DrawRadioButton(g, new Point(check.Left, check.Top), RadioButtonRenderer.ConvertFromButtonState(style, Control.MouseIsOver)); } else { ControlPaint.DrawRadioButton(g, check, style); } } #endregion internal override LayoutOptions CommonLayout() { LayoutOptions layout = base.CommonLayout(); layout.checkAlign = Control.CheckAlign; return layout; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms.ButtonInternal { using System; using System.Diagnostics; using System.Drawing; using System.Windows.Forms.Internal; using System.Drawing.Drawing2D; using System.Drawing.Imaging; using System.Drawing.Text; using System.Windows.Forms; using System.Windows.Forms.VisualStyles; internal abstract class RadioButtonBaseAdapter : CheckableControlBaseAdapter { internal RadioButtonBaseAdapter(ButtonBase control) : base(control) {} protected new RadioButton Control { get { return ((RadioButton)base.Control); } } #region Drawing helpers protected void DrawCheckFlat(PaintEventArgs e, LayoutData layout, Color checkColor, Color checkBackground, Color checkBorder) { DrawCheckBackgroundFlat(e, layout.checkBounds, checkBorder, checkBackground, true); DrawCheckOnly(e, layout, checkColor, checkBackground, true); } protected void DrawCheckBackground3DLite(PaintEventArgs e, Rectangle bounds, Color checkColor, Color checkBackground, ColorData colors, bool disabledColors) { Graphics g = e.Graphics; Color field = checkBackground; if (!Control.Enabled && disabledColors) { field = SystemColors.Control; } using (Brush fieldBrush = new SolidBrush(field)) { using (Pen dark = new Pen(colors.buttonShadow), light = new Pen(colors.buttonFace), lightlight = new Pen(colors.highlight)) { bounds.Width--; bounds.Height--; // fall a little short of SW, NW, NE, SE because corners come out nasty g.DrawPie(dark, bounds, (float)(135 + 1), (float)(90 - 2)); g.DrawPie(dark, bounds, (float)(225 + 1), (float)(90 - 2)); g.DrawPie(lightlight, bounds, (float)(315 + 1), (float)(90 - 2)); g.DrawPie(lightlight, bounds, (float)(45 + 1), (float)(90 - 2)); bounds.Inflate(-1, -1); g.FillEllipse(fieldBrush, bounds); g.DrawEllipse(light, bounds); } } } protected void DrawCheckBackgroundFlat(PaintEventArgs e, Rectangle bounds, Color borderColor, Color checkBackground, bool disabledColors) { Color field = checkBackground; Color border = borderColor; if (!Control.Enabled && disabledColors) { border = ControlPaint.ContrastControlDark; field = SystemColors.Control; } float scale = GetDpiScaleRatio(e.Graphics); using( WindowsGraphics wg = WindowsGraphics.FromGraphics(e.Graphics) ) { using( WindowsPen borderPen = new WindowsPen(wg.DeviceContext, border) ) { using( WindowsBrush fieldBrush = new WindowsSolidBrush(wg.DeviceContext, field) ) { // for Dev10 525537, in high DPI mode when we draw ellipse as three rectantles, // the quality of ellipse is poor. Draw it directly as ellipse if(scale > 1.1) { bounds.Width--; bounds.Height--; wg.DrawAndFillEllipse(borderPen, fieldBrush, bounds); bounds.Inflate(-1, -1); } else { DrawAndFillEllipse(wg, borderPen, fieldBrush, bounds); } } } } } // Helper method to overcome the poor GDI ellipse drawing routine // VSWhidbey #334097 private static void DrawAndFillEllipse(WindowsGraphics wg, WindowsPen borderPen, WindowsBrush fieldBrush, Rectangle bounds) { Debug.Assert(wg != null,"Calling DrawAndFillEllipse with null wg"); if (wg == null) { return; } wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 2, bounds.Y + 2, 8, 8)); wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 4, bounds.Y + 1, 4, 10)); wg.FillRectangle(fieldBrush, new Rectangle(bounds.X + 1, bounds.Y + 4, 10, 4)); wg.DrawLine(borderPen, new Point(bounds.X + 4, bounds.Y + 0), new Point(bounds.X + 8, bounds.Y + 0)); wg.DrawLine(borderPen, new Point(bounds.X + 4, bounds.Y + 11), new Point(bounds.X + 8, bounds.Y + 11)); wg.DrawLine(borderPen, new Point(bounds.X + 2, bounds.Y + 1), new Point(bounds.X + 4, bounds.Y + 1)); wg.DrawLine(borderPen, new Point(bounds.X + 8, bounds.Y + 1), new Point(bounds.X + 10, bounds.Y + 1)); wg.DrawLine(borderPen, new Point(bounds.X + 2, bounds.Y + 10), new Point(bounds.X + 4, bounds.Y + 10)); wg.DrawLine(borderPen, new Point(bounds.X + 8, bounds.Y + 10), new Point(bounds.X + 10, bounds.Y + 10)); wg.DrawLine(borderPen, new Point(bounds.X + 0, bounds.Y + 4), new Point(bounds.X + 0, bounds.Y + 8)); wg.DrawLine(borderPen, new Point(bounds.X + 11, bounds.Y + 4), new Point(bounds.X + 11, bounds.Y + 8)); wg.DrawLine(borderPen, new Point(bounds.X + 1, bounds.Y + 2), new Point(bounds.X + 1, bounds.Y + 4)); wg.DrawLine(borderPen, new Point(bounds.X + 1, bounds.Y + 8), new Point(bounds.X + 1, bounds.Y + 10)); wg.DrawLine(borderPen, new Point(bounds.X + 10, bounds.Y + 2), new Point(bounds.X + 10, bounds.Y + 4)); wg.DrawLine(borderPen, new Point(bounds.X + 10, bounds.Y + 8), new Point(bounds.X + 10, bounds.Y + 10)); } private static int GetScaledNumber(int n, float scale) { return (int)(n * scale); } protected void DrawCheckOnly(PaintEventArgs e, LayoutData layout, Color checkColor, Color checkBackground, bool disabledColors) { // check // if (Control.Checked) { if (!Control.Enabled && disabledColors) { checkColor = SystemColors.ControlDark; } float scale = GetDpiScaleRatio(e.Graphics); using( WindowsGraphics wg = WindowsGraphics.FromGraphics(e.Graphics) ) { using (WindowsBrush brush = new WindowsSolidBrush(wg.DeviceContext, checkColor)) { // circle drawing doesn't work at this size int offset = 5; Rectangle vCross = new Rectangle (layout.checkBounds.X + GetScaledNumber(offset, scale), layout.checkBounds.Y + GetScaledNumber(offset - 1, scale), GetScaledNumber(2, scale), GetScaledNumber(4, scale)); wg.FillRectangle(brush, vCross); Rectangle hCross = new Rectangle (layout.checkBounds.X + GetScaledNumber(offset - 1, scale), layout.checkBounds.Y + GetScaledNumber(offset, scale), GetScaledNumber(4, scale), GetScaledNumber(2, scale)); wg.FillRectangle(brush, hCross); } } } } protected ButtonState GetState() { ButtonState style = (ButtonState)0; if (Control.Checked) { style |= ButtonState.Checked; } else { style |= ButtonState.Normal; } if (!Control.Enabled) { style |= ButtonState.Inactive; } if (Control.MouseIsDown) { style |= ButtonState.Pushed; } return style; } protected void DrawCheckBox(PaintEventArgs e, LayoutData layout) { Graphics g = e.Graphics; Rectangle check = layout.checkBounds; if (!Application.RenderWithVisualStyles) { check.X--; // compensate for Windows drawing slightly offset to right } ButtonState style = GetState(); if (Application.RenderWithVisualStyles) { RadioButtonRenderer.DrawRadioButton(g, new Point(check.Left, check.Top), RadioButtonRenderer.ConvertFromButtonState(style, Control.MouseIsOver)); } else { ControlPaint.DrawRadioButton(g, check, style); } } #endregion internal override LayoutOptions CommonLayout() { LayoutOptions layout = base.CommonLayout(); layout.checkAlign = Control.CheckAlign; return layout; } } } // 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
- EncryptedReference.cs
- RSACryptoServiceProvider.cs
- HtmlInputControl.cs
- HorizontalAlignConverter.cs
- BasicExpressionVisitor.cs
- DataPagerField.cs
- Int16.cs
- ConsoleKeyInfo.cs
- GrammarBuilderWildcard.cs
- Helpers.cs
- XmlILOptimizerVisitor.cs
- ContentType.cs
- TransactionProtocol.cs
- AspNetCacheProfileAttribute.cs
- DataGridViewCellStyleConverter.cs
- ColorConverter.cs
- DES.cs
- RegexMatchCollection.cs
- Message.cs
- TextSegment.cs
- HostProtectionPermission.cs
- FormViewModeEventArgs.cs
- HttpHostedTransportConfiguration.cs
- ContractReference.cs
- TopClause.cs
- DataServiceException.cs
- XmlRawWriter.cs
- ProviderCommandInfoUtils.cs
- ControlAdapter.cs
- ContentDisposition.cs
- ControlAdapter.cs
- RequestCache.cs
- Subset.cs
- InheritedPropertyChangedEventArgs.cs
- HashHelper.cs
- HttpCookie.cs
- CacheDependency.cs
- DesignerActionKeyboardBehavior.cs
- RegexTree.cs
- ToolStripTextBox.cs
- CqlQuery.cs
- ApplicationSettingsBase.cs
- HashJoinQueryOperatorEnumerator.cs
- TopClause.cs
- FontConverter.cs
- CodeStatement.cs
- NullableIntMinMaxAggregationOperator.cs
- CaretElement.cs
- EqualityComparer.cs
- MethodInfo.cs
- IsolatedStorage.cs
- WorkflowHostingResponseContext.cs
- EnglishPluralizationService.cs
- BindingBase.cs
- WindowsTooltip.cs
- TraceSwitch.cs
- DataKeyArray.cs
- CodeFieldReferenceExpression.cs
- HostingEnvironmentSection.cs
- TraceUtils.cs
- DataBindingCollection.cs
- DataGridPageChangedEventArgs.cs
- DuplicateContext.cs
- ErrorFormatter.cs
- DecoderExceptionFallback.cs
- OleDbTransaction.cs
- DbDataSourceEnumerator.cs
- Module.cs
- TreeNodeEventArgs.cs
- xmlglyphRunInfo.cs
- CfgSemanticTag.cs
- XmlILModule.cs
- grammarelement.cs
- SiteMapSection.cs
- PieceDirectory.cs
- ScriptDescriptor.cs
- XsltException.cs
- Message.cs
- InputReport.cs
- CollectionViewGroupInternal.cs
- XmlHierarchicalDataSourceView.cs
- SerTrace.cs
- TaskHelper.cs
- ValidatingReaderNodeData.cs
- TextSpanModifier.cs
- DurationConverter.cs
- PageSetupDialog.cs
- ButtonChrome.cs
- XmlILTrace.cs
- DataGridViewHeaderCell.cs
- SqlTypesSchemaImporter.cs
- FormsAuthentication.cs
- FlatButtonAppearance.cs
- FixedSOMTableRow.cs
- ObjectAnimationBase.cs
- SplashScreenNativeMethods.cs
- UnsettableComboBox.cs
- Win32SafeHandles.cs
- EditorPart.cs
- BuilderElements.cs