protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (m_Words == null || !m_Words.Any())
{
return;
}
if (m_Layout == null)
{
return;
}
IEnumerable <LayoutItem> wordsToRedraw = m_Layout.GetWordsInArea(e.ClipRectangle);
using (IGraphicEngine graphicEngine =
NewGraphicEngine(e.Graphics, this.Font.FontFamily, FontStyle.Regular, m_Palette, MinFontSize, MaxFontSize, m_MinWordWeight, m_MaxWordWeight))
{
foreach (LayoutItem currentItem in wordsToRedraw)
{
if (m_ItemUnderMouse == currentItem)
{
graphicEngine.DrawEmphasized(currentItem);
}
else
{
graphicEngine.Draw(currentItem);
}
}
}
}
private T Process <T>(
Func <IGraphicEngine <TBitmap>, IEnumerable <LayoutItem>, T> handler)
{
// Arrange word cloud.
var size = new SizeD(wordCloud.Width, wordCloud.Height);
layout.Arrange(wordCloud.Entries, engine);
// Process results.
var area = new RectangleD(new PointD(0, 0), size);
return(handler(engine, layout.GetWordsInArea(area)));
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (m_Words == null)
{
return;
}
if (m_Layout == null)
{
return;
}
IEnumerable <LayoutItem> wordsToRedraw = m_Layout.GetWordsInArea(e.ClipRectangle);
using (Graphics graphics = e.Graphics)
using (GdiGraphicEngine graphicEngine =
new GdiGraphicEngine(graphics, m_Palette, m_MinWordWeight, m_MaxWordWeight))
{
graphicEngine.FontFamily = Font.FontFamily;
graphicEngine.FontStyle = FontStyle.Regular;
graphicEngine.MinFontSize = MinFontSize;
graphicEngine.MaxFontSize = MaxFontSize;
foreach (LayoutItem currentItem in wordsToRedraw)
{
if (m_ItemUderMouse == currentItem)
{
graphicEngine.DrawEmphasized(currentItem);
}
else
{
graphicEngine.Draw(currentItem);
}
}
}
}
protected void PaintWords()
{
if (m_Words == null)
{
return;
}
if (m_Layout == null)
{
return;
}
IEnumerable <LayoutItem> wordsToRedraw = m_Layout.GetWordsInArea(new Rect(0, 0, this.ActualWidth, this.ActualHeight));
using (CanvasDrawingSession ds = _DrawingCanvas.CreateDrawingSession())
{
ds.Clear(m_BackColor);
using (IGraphicEngine graphicEngine = new GdiGraphicEngine(ds, FontStyle, FontFamily, m_Palette, MinFontSize, MaxFontSize, m_MinWordWeight, m_MaxWordWeight))
{
foreach (LayoutItem currentItem in wordsToRedraw)
{
String hummaa = currentItem.Word.Text;
if (m_ItemUderMouse == currentItem)
{
graphicEngine.DrawEmphasized(currentItem);
}
else
{
graphicEngine.Draw(currentItem);
}
}
}
}
Win2DCanvas.Invalidate();
}
public Size CalculateMinimumRequiredTotalSize(out ILayout layout, out IEnumerable <LayoutItem> wordsToDraw)
{
Size requiredSize = Size.Empty;
using (Graphics graphics = this.CreateGraphics())
{
var engine = NewGraphicEngine(graphics,
this.Font.FontFamily,
FontStyle.Regular,
m_Palette,
m_MinFontSize,
m_MaxFontSize,
m_MinWordWeight,
m_MaxWordWeight);
int numAllWords = m_Words.Count();
wordsToDraw = null;
var trySize = new SizeF(640, 480);
float xInc = (trySize.Width / 4), yInc = (trySize.Height / 4);
do
{
layout = CreateLayout(m_LayoutType, trySize);
if (layout.Arrange(m_Words, engine) == numAllWords)
{
wordsToDraw = layout.GetWordsInArea(new RectangleF(new PointF(0, 0), trySize));
requiredSize = Size.Ceiling(trySize);
}
else
{
trySize = new SizeF(trySize.Width + xInc, trySize.Height + yInc);
}
}while (requiredSize.IsEmpty);
}
return(requiredSize);
}