/// <summary>
/// Sets the button's image.
/// </summary>
/// <param name="textureName">Texture name. Null to remove.</param>
/// <param name="imageAlign">Determines how the image should be aligned.</param>
public virtual void SetImage(string textureName, ImageAlign imageAlign = ImageAlign.LeftSide)
{
if (String.IsNullOrEmpty(textureName))
{
if (m_Image != null)
{
m_Image.Dispose();
}
m_Image = null;
return;
}
if (m_Image == null)
{
m_Image = new ImagePanel(this);
}
m_Image.ImageName = textureName;
m_Image.MouseInputEnabled = false;
m_ImageAlign = imageAlign;
m_Image.SendToBack();
Invalidate();
}
protected void Rebuild()
{
m_Updating = true;
DeleteAllChildren();
Size size = Size.Zero;
if (m_Document != null && m_Document.Paragraphs.Count > 0)
{
#if USE_KNUTH_PLASS_LINE_BREAKING
LineBreaker lineBreaker = new RichText.KnuthPlass.LineBreaker(Skin.Renderer, Skin.DefaultFont);
#else
LineBreaker lineBreaker = new RichText.Simple.LineBreaker(Skin.Renderer, Skin.DefaultFont);
#endif
int y = 0;
int x;
int width;
int height;
foreach (Paragraph paragraph in m_Document.Paragraphs)
{
if (paragraph is ImageParagraph)
{
ImageParagraph imageParagraph = paragraph as ImageParagraph;
ImagePanel image = new ImagePanel(this);
image.ImageName = imageParagraph.ImageName;
if (imageParagraph.ImageSize != null)
{
image.Size = (Size)imageParagraph.ImageSize;
}
if (imageParagraph.TextureRect != null)
{
image.TextureRect = (Rectangle)imageParagraph.TextureRect;
}
if (imageParagraph.ImageColor != null)
{
image.ImageColor = (Color)imageParagraph.ImageColor;
}
image.DoMeasure(Size.Infinity);
image.DoArrange(paragraph.Margin.Left, y + paragraph.Margin.Top, image.MeasuredSize.Width, image.MeasuredSize.Height);
size.Width = Math.Max(size.Width, image.MeasuredSize.Width + paragraph.Margin.Left + paragraph.Margin.Right);
y += image.MeasuredSize.Height + paragraph.Margin.Top + paragraph.Margin.Bottom;
}
else
{
List <TextBlock> textBlocks = lineBreaker.LineBreak(paragraph, m_BuildWidth);
if (textBlocks != null)
{
x = paragraph.Margin.Left;
y += paragraph.Margin.Top;
width = 0;
height = 0;
foreach (TextBlock textBlock in textBlocks)
{
if (textBlock.Part is LinkPart)
{
LinkPart linkPart = textBlock.Part as LinkPart;
LinkLabel link = new LinkLabel(this);
link.Text = textBlock.Text;
link.Link = linkPart.Link;
link.Font = linkPart.Font;
link.LinkClicked += OnLinkClicked;
if (linkPart.Color != null)
{
link.TextColor = (Color)linkPart.Color;
}
if (linkPart.HoverColor != null)
{
link.HoverColor = (Color)linkPart.HoverColor;
}
if (linkPart.HoverFont != null)
{
link.HoverFont = linkPart.HoverFont;
}
link.DoMeasure(Size.Infinity);
link.DoArrange(new Rectangle(x + textBlock.Position.X, y + textBlock.Position.Y, textBlock.Size.Width, textBlock.Size.Height));
width = Math.Max(width, link.ActualRight);
height = Math.Max(height, link.ActualBottom);
}
else if (textBlock.Part is TextPart)
{
TextPart textPart = textBlock.Part as TextPart;
Text text = new Text(this);
text.String = textBlock.Text;
text.Font = textPart.Font;
if (textPart.Color != null)
{
text.TextColor = (Color)textPart.Color;
}
text.DoMeasure(Size.Infinity);
text.DoArrange(new Rectangle(x + textBlock.Position.X, y + textBlock.Position.Y, textBlock.Size.Width, textBlock.Size.Height));
width = Math.Max(width, text.ActualRight + 1);
height = Math.Max(height, text.ActualBottom + 1);
}
}
size.Width = Math.Max(size.Width, width + paragraph.Margin.Right);
y = height + paragraph.Margin.Bottom;
}
}
}
size.Height = y;
}
m_TextSize = size;
m_NeedsRebuild = false;
m_Updating = false;
}