public void Draw(LayoutItem layoutItem)
{
Font font = GetFont(layoutItem.Word.Occurrences);
Color color = GetPresudoRandomColorFromPalette(layoutItem);
//m_Graphics.DrawString(layoutItem.Word, font, brush, layoutItem.Rectangle);
Point point = new Point((int)layoutItem.Rectangle.X, (int)layoutItem.Rectangle.Y);
TextRenderer.DrawText(m_Graphics, layoutItem.Word.Text, font, point, color);
}
public void DrawEmphasized(LayoutItem layoutItem)
{
Font font = GetFont(layoutItem.Word.Occurrences);
Color color = GetPresudoRandomColorFromPalette(layoutItem);
//m_Graphics.DrawString(layoutItem.Word, font, brush, layoutItem.Rectangle);
Point point = new Point((int)layoutItem.Rectangle.X, (int)layoutItem.Rectangle.Y);
TextRenderer.DrawText(m_Graphics, layoutItem.Word.Text, font, point, Color.LightGray);
int offset = (int)(5 *font.Size / MaxFontSize)+1;
point.Offset(-offset, -offset);
TextRenderer.DrawText(m_Graphics, layoutItem.Word.Text, font, point, color);
}
public void Arrange(IEnumerable<IWord> words, IGraphicEngine graphicEngine)
{
if (words == null)
{
throw new ArgumentNullException("words");
}
foreach (IWord word in words)
{
SizeF size = graphicEngine.Measure(word.Text, word.Occurrences);
RectangleF freeRectangle;
if (!TryFindFreeRectangle(size, out freeRectangle))
{
return;
}
LayoutItem item = new LayoutItem(freeRectangle, word);
QuadTree.Insert(item);
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
LayoutItem nextItemUnderMouse;
Point mousePositionRelativeToControl = this.PointToClient(new Point(MousePosition.X, MousePosition.Y));
this.TryGetItemAtLocation(mousePositionRelativeToControl, out nextItemUnderMouse);
if (nextItemUnderMouse != m_ItemUderMouse)
{
if (nextItemUnderMouse != null)
{
Rectangle newRectangleToInvalidate = RectangleGrow(nextItemUnderMouse.Rectangle, 6);
this.Invalidate(newRectangleToInvalidate);
}
if (m_ItemUderMouse != null)
{
Rectangle prevRectangleToInvalidate = RectangleGrow(m_ItemUderMouse.Rectangle, 6);
this.Invalidate(prevRectangleToInvalidate);
}
m_ItemUderMouse = nextItemUnderMouse;
}
base.OnMouseMove(e);
}
public bool TryGetItemAtLocation(Point location, out LayoutItem foundItem)
{
foundItem = null;
IEnumerable<LayoutItem> itemsInArea = GetItemsInArea(new RectangleF(location, new SizeF(0, 0)));
foreach (LayoutItem item in itemsInArea)
{
foundItem = item;
return true;
}
return false;
}
private Color GetPresudoRandomColorFromPalette(LayoutItem layoutItem)
{
Color color = Palette[layoutItem.Word.Occurrences * layoutItem.Word.Text.Length % Palette.Length];
return color;
}