/// <summary>
/// Draw border on the inside edge of the specified rectangle.
/// </summary>
/// <param name="context">Rendering context.</param>
/// <param name="rect">Target rectangle.</param>
/// <param name="palette">Palette used for drawing.</param>
/// <param name="orientation">Visual orientation of the border.</param>
/// <param name="state">State associated with rendering.</param>
public override void DrawBorder(RenderContext context,
Rectangle rect,
IPaletteBorder palette,
VisualOrientation orientation,
PaletteState state)
{
Debug.Assert(context != null);
Debug.Assert(palette != null);
// Validate parameter references
if (context == null) throw new ArgumentNullException("context");
if (palette == null) throw new ArgumentNullException("palette");
Debug.Assert(context.Control != null);
Debug.Assert(!context.Control.IsDisposed);
PaletteDrawBorders borders = palette.GetBorderDrawBorders(state);
// Is there anything to actually draw?
if ((rect.Width > 0) && (rect.Height > 0) && CommonHelper.HasABorder(borders))
{
// Only use anti aliasing if the border is rounded
SmoothingMode smoothMode = (palette.GetBorderRounding(state) > 0 ? SmoothingMode.AntiAlias : SmoothingMode.Default);
// We want to draw using anti aliasing for a nice smooth effect
using (GraphicsHint hint = new GraphicsHint(context.Graphics, palette.GetBorderGraphicsHint(state)))
{
// Cache commonly used values
int borderWidth = palette.GetBorderWidth(state);
// Get the orientation correct borders value
borders = CommonHelper.OrientateDrawBorders(borders, orientation);
// Is there any border to actually draw?
if (borderWidth > 0)
{
using (Clipping clip = new Clipping(context.Graphics, rect))
{
// We always create the first border path variant
GraphicsPath borderPath0 = CreateBorderBackPath(true, true, rect, borders, borderWidth,
palette.GetBorderRounding(state),
(smoothMode == SmoothingMode.AntiAlias), 0);
GraphicsPath borderPath1 = null;
// We only need the second border path if the two borders used are opposite each other
if ((borders == PaletteDrawBorders.TopBottom) ||
(borders == PaletteDrawBorders.LeftRight))
{
borderPath1 = CreateBorderBackPath(true, true, rect, borders, borderWidth,
palette.GetBorderRounding(state),
(smoothMode == SmoothingMode.AntiAlias), 1);
}
// Get the rectangle to use when dealing with gradients
Rectangle gradientRect = context.GetAlignedRectangle(palette.GetBorderColorAlign(state), rect);
// Use standard helper routine to create appropriate color brush
PaletteColorStyle colorStyle = palette.GetBorderColorStyle(state);
using (Pen borderPen = new Pen(CreateColorBrush(gradientRect,
palette.GetBorderColor1(state),
palette.GetBorderColor2(state),
colorStyle,
palette.GetBorderColorAngle(state),
orientation), borderWidth))
{
if (colorStyle == PaletteColorStyle.Dashed)
borderPen.DashPattern = new float[] { 2, 2 };
context.Graphics.DrawPath(borderPen, borderPath0);
// Optionally also draw the second path
if (borderPath1 != null)
context.Graphics.DrawPath(borderPen, borderPath1);
}
Image borderImage = palette.GetBorderImage(state);
PaletteImageStyle borderImageStyle = palette.GetBorderImageStyle(state);
// Do we need to draw the image?
if (ShouldDrawImage(borderImage))
{
// Get the rectangle to use when dealing with gradients
Rectangle imageRect = context.GetAlignedRectangle(palette.GetBorderImageAlign(state), rect);
// Use standard helper routine to create appropriate image brush
using (Pen borderPen = new Pen(CreateImageBrush(imageRect, borderImage, borderImageStyle), borderWidth))
{
context.Graphics.DrawPath(borderPen, borderPath0);
// Optionally also draw the second path
if (borderPath1 != null)
context.Graphics.DrawPath(borderPen, borderPath1);
}
}
// Remember to dispose of resources
borderPath0.Dispose();
if (borderPath1 != null)
borderPath1.Dispose();
}
}
}
}
}
/// <summary>
/// Gets the image border alignment.
/// </summary>
/// <param name="style">Border style.</param>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Image alignment style.</returns>
public override PaletteRectangleAlign GetBorderImageAlign(PaletteBorderStyle style, PaletteState state)
{
IPaletteBorder inherit = GetInherit(state);
return(inherit?.GetBorderImageAlign(state) ?? Target.GetBorderImageAlign(style, state));
}
/// <summary>
/// Draw border on the inside edge of the specified rectangle.
/// </summary>
/// <param name="context">Rendering context.</param>
/// <param name="rect">Target rectangle.</param>
/// <param name="palette">Palette used for drawing.</param>
/// <param name="orientation">Visual orientation of the border.</param>
/// <param name="state">State associated with rendering.</param>
/// <param name="tabBorderStyle">Style of tab border.</param>
public override void DrawTabBorder(RenderContext context,
Rectangle rect,
IPaletteBorder palette,
VisualOrientation orientation,
PaletteState state,
TabBorderStyle tabBorderStyle)
{
Debug.Assert(context != null);
Debug.Assert(palette != null);
// Validate parameter references
if (context == null) throw new ArgumentNullException("context");
if (palette == null) throw new ArgumentNullException("palette");
Debug.Assert(context.Control != null);
Debug.Assert(!context.Control.IsDisposed);
// Is there anything to actually draw?
if ((rect.Width > 0) && (rect.Height > 0))
{
// Decide if we need to use anti aliasing for a smoother looking visual
using (GraphicsHint hint = new GraphicsHint(context.Graphics, palette.GetBorderGraphicsHint(state)))
{
// Cache commonly used values
int borderWidth = palette.GetBorderWidth(state);
// Is there any border to actually draw?
if (borderWidth > 0)
{
// Create the path that represents the entire tab border
using (GraphicsPath borderPath = CreateTabBorderBackPath(context.Control.RightToLeft, state, true, rect,
borderWidth, tabBorderStyle, orientation,
(palette.GetBorderGraphicsHint(state) == PaletteGraphicsHint.AntiAlias)))
{
// Get the rectangle to use when dealing with gradients
Rectangle gradientRect = context.GetAlignedRectangle(palette.GetBorderColorAlign(state), rect);
// Use standard helper routine to create appropriate color brush
using(Brush borderBrush = CreateColorBrush(gradientRect,
palette.GetBorderColor1(state),
palette.GetBorderColor2(state),
palette.GetBorderColorStyle(state),
palette.GetBorderColorAngle(state),
orientation))
{
using (Pen borderPen = new Pen(borderBrush, borderWidth))
context.Graphics.DrawPath(borderPen, borderPath);
}
Image borderImage = palette.GetBorderImage(state);
// Do we need to draw the image?
if (ShouldDrawImage(borderImage))
{
// Get the rectangle to use when dealing with gradients
Rectangle imageRect = context.GetAlignedRectangle(palette.GetBorderImageAlign(state), rect);
// Get the image style to use for the image brush
PaletteImageStyle borderImageStyle = palette.GetBorderImageStyle(state);
// Use standard helper routine to create appropriate image brush
using (Pen borderPen = new Pen(CreateImageBrush(imageRect, borderImage, borderImageStyle), borderWidth))
{
context.Graphics.DrawPath(borderPen, borderPath);
}
}
}
}
}
}
}
/// <summary>
/// Gets the image alignment style.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Image alignment style.</returns>
public PaletteRectangleAlign GetBackImageAlign(PaletteState state)
{
return(_parent.GetBorderImageAlign(state));
}
/// <summary> /// Gets the image alignment style. /// </summary> /// <param name="state">Palette value should be applicable to this state.</param> /// <returns>Image alignment style.</returns> public override PaletteRectangleAlign GetBorderImageAlign(PaletteState state) => _inherit.GetBorderImageAlign(state);
/// <summary> /// Gets the image alignment style. /// </summary> /// <param name="state">Palette value should be applicable to this state.</param> /// <returns>Image alignment style.</returns> public PaletteRectangleAlign GetBackImageAlign(PaletteState state) => _parent.GetBorderImageAlign(state);
/// <summary>
/// Gets the image alignment style.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Image alignment style.</returns>
public PaletteRectangleAlign GetBorderImageAlign(PaletteState state)
{
return(_inherit.GetBorderImageAlign(state));
}
