protected override Rect GetRect(PrintElementBase element)
{
if (element is TextBlock)
{
TextBlock block = (TextBlock)element;
if (block.Content != null)
{
StringFormat fmt = GetFromBlock(block);
Font font = GetSDFontFromElement(block);
SizeF stringSize = this.StringRect(block.Content.ToString(), fmt,
Rectangle.Empty, font);
block.Bounds.Extend(new Rect(0, 0, stringSize.Width, stringSize.Height));
}
}
else if (element is ImageElement)
{
ImageElement image = (ImageElement)element;
if (image.SourceStream != Stream.Null)
{
using (Bitmap bmp = new Bitmap(image.SourceStream))
{
Rect rc = new Rect(0, 0, bmp.Width, bmp.Height);
image.Bounds = rc;
}
}
}
return(Rect.Empty);
}
private void DrawBlock(Block block)
{
RectangleF bounds = new RectangleF(this.CurrentX, this.CurrentY, 0, 0);
if (block.Content is String)
{
Rect b = block.Bounds;
PrintElementBase parent = (PrintElementBase)block.Parent;
b.Width = printArgs.PageBounds.Width - parent.Bounds.Width;
b.Height = parent.Bounds.Height - this.CurrentY;
block.Bounds = b;
DrawContentString(block);
bounds = this.Rect2Rectangle(block.Bounds);
return;
}
if (block.Childs.Count > 0)
{
PrintElementBase prev = null;
foreach (PrintElementBase current in block.Childs)
{
if (current is LineBreak)
{
DrawLineBreak((LineBreak)current, prev);
}
else
{
current.Render(this);
}
prev = current;
if (bounds.Right < current.Bounds.Right)
{
bounds.Width = (current.Bounds.Right - bounds.Right) - bounds.Left;
}
if (bounds.Bottom < current.Bounds.Bottom)
{
bounds.Height = (current.Bounds.Bottom - bounds.Bottom) - bounds.Top;
}
block.Bounds = this.Rectangle2Rect(bounds);
}
}
block.Bounds = this.Rectangle2Rect(bounds);
this.currentY = bounds.Bottom;
this.currentX = bounds.Right;
}
void DrawContentString(TextElement element)
{
//Implement TextWrap
Font font = this.GetSDFontFromElement(element);
Color fontColor = element.Foreground.ToSystemDrawingColor();
StringFormat fmt = new StringFormat();
if (element is Block)
{
fmt = this.GetFromBlock((Block)element);
}
SizeF textSize = printArgs.Graphics.MeasureString(element.Content.ToString(),
font, (int)(this.printArgs.PageBounds.Width - this.currentX), fmt);
if (textSize.Width < element.Bounds.Width)
{
textSize.Width = element.Bounds.Width;
}
if (textSize.Height < element.Bounds.Height)
{
textSize.Height = element.Bounds.Height;
}
RectangleF drawRect = new RectangleF(new PointF(this.CurrentX,
this.CurrentY), textSize);
element.Bounds = this.Rectangle2Rect(drawRect);
if (element.Bounds.Bottom >= printArgs.PageBounds.Bottom)
{
printArgs.HasMorePages = true;
_CurrentElement = element;
dontDrawNow = true;
return;
}
printArgs.Graphics.DrawString(element.Content.ToString(),
font,
new SolidBrush(fontColor),
this.Rect2Rectangle(element.Bounds), fmt);
this.currentY += element.Bounds.Height;
this.currentX = printArgs.MarginBounds.Left;
}
void DrawLineBreak(LineBreak breakElement, PrintElementBase prevElement)
{
if (prevElement != null)
{
this.currentY = prevElement.Bounds.Bottom + breakElement.BreakHeight;
}
else
{
this.currentY += breakElement.BreakHeight;
}
breakElement.Bounds = new Rect(this.CurrentX, this.currentY,
printArgs.PageBounds.Width - this.CurrentX, breakElement.BreakHeight);
this.currentX = 0;
}
void Reset(PrintElementBase element)
{
this.currentX = 0;
this.currentY = 0;
element.Bounds = Rect.Empty;
IHaveChild haveChilds = element as IHaveChild;
if (haveChilds != null)
{
foreach (PrintElementBase current in haveChilds.Childs)
{
Reset(current);
}
}
}
protected abstract void DoRealignContent(PrintElementBase element);
protected abstract Rect GetRect(PrintElementBase element);
protected abstract void DoRealignContent(PrintElementBase element);
protected abstract Rect GetRect(PrintElementBase element);
public FlowRowElement(PrintElementBase element)
{
_PrintElementBase = element;
}
protected override Rect GetRect(PrintElementBase element)
{
if (element is TextBlock)
{
TextBlock block = (TextBlock)element;
if (block.Content != null)
{
StringFormat fmt = GetFromBlock(block);
Font font = GetSDFontFromElement(block);
SizeF stringSize = this.StringRect(block.Content.ToString(), fmt,
Rectangle.Empty, font);
block.Bounds.Extend(new Rect(0, 0, stringSize.Width, stringSize.Height));
}
}
else if (element is ImageElement)
{
ImageElement image = (ImageElement)element;
if (image.SourceStream != Stream.Null)
{
using (Bitmap bmp = new Bitmap(image.SourceStream))
{
Rect rc = new Rect(0, 0, bmp.Width, bmp.Height);
image.Bounds = rc;
}
}
}
return Rect.Empty;
}
void Reset(PrintElementBase element)
{
this.currentX = 0;
this.currentY = 0;
element.Bounds = Rect.Empty;
IHaveChild haveChilds = element as IHaveChild;
if (haveChilds != null)
{
foreach (PrintElementBase current in haveChilds.Childs)
{
Reset(current);
}
}
}
void DrawContentString(TextElement element)
{
//Implement TextWrap
Font font = this.GetSDFontFromElement(element);
Color fontColor = element.Foreground.ToSystemDrawingColor();
StringFormat fmt = new StringFormat();
if (element is Block)
{
fmt = this.GetFromBlock((Block)element);
}
SizeF textSize = printArgs.Graphics.MeasureString(element.Content.ToString(),
font, (int)(this.printArgs.PageBounds.Width - this.currentX), fmt);
if (textSize.Width < element.Bounds.Width)
{
textSize.Width = element.Bounds.Width;
}
if (textSize.Height < element.Bounds.Height)
{
textSize.Height = element.Bounds.Height;
}
RectangleF drawRect = new RectangleF(new PointF(this.CurrentX,
this.CurrentY), textSize);
element.Bounds = this.Rectangle2Rect(drawRect);
if (element.Bounds.Bottom >= printArgs.PageBounds.Bottom)
{
printArgs.HasMorePages = true;
_CurrentElement = element;
dontDrawNow = true;
return;
}
printArgs.Graphics.DrawString(element.Content.ToString(),
font,
new SolidBrush(fontColor),
this.Rect2Rectangle(element.Bounds), fmt);
this.currentY += element.Bounds.Height;
this.currentX = printArgs.MarginBounds.Left;
}
void DrawLineBreak(LineBreak breakElement,PrintElementBase prevElement)
{
if (prevElement != null)
{
this.currentY = prevElement.Bounds.Bottom + breakElement.BreakHeight;
}
else
{
this.currentY += breakElement.BreakHeight;
}
breakElement.Bounds = new Rect(this.CurrentX, this.currentY,
printArgs.PageBounds.Width - this.CurrentX, breakElement.BreakHeight);
this.currentX = 0;
}
public FlowRowElement(PrintElementBase element)
{
_PrintElementBase = element;
}
