public ItemRectangle(ImagePrintItem item, int verticalSpacing, int horizontalSpacing)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
_horizontalSpacing = horizontalSpacing;
_verticalSpacing = verticalSpacing;
_item = item;
Size size = _item.GetSize();
size.Width += _horizontalSpacing + 1 /*shared border*/;
size.Height += _verticalSpacing + 1 /*shared border*/;
_rect = new Rectangle(new Point(0, 0), size);
_square = _rect.Width * _rect.Height;
_neighbours = new ArrayList();
_hostedPositions = new ArrayList();
}
public override void FillPage(PrintPageEventArgs e, System.Collections.ArrayList items, System.Collections.ArrayList coords)
{
System.Diagnostics.Debug.Assert(items != null, "pItems should be allocated by caller");
System.Diagnostics.Debug.Assert(coords != null, "pCoords should be allocated by caller");
ImagePrintItem item = GetNextItem(e);
if (e.Cancel == true || item == null)
{
e.HasMorePages = HasMorePages();
return;
}
int printerResolutionX, printerResolutionY;
GetValidatedResolution(e, out printerResolutionX, out printerResolutionY);
int pageWidth = PrintUtils.InchHundredthsToPixels(e.MarginBounds.Width, printerResolutionX),
pageHeight = PrintUtils.InchHundredthsToPixels(e.MarginBounds.Height, printerResolutionY),
marginX = PrintUtils.InchHundredthsToPixels(e.MarginBounds.X, printerResolutionX),
marginY = PrintUtils.InchHundredthsToPixels(e.MarginBounds.Y, printerResolutionY);
Size pageSize = new Size(pageWidth, pageHeight);
item.FitSize(pageSize, _printOptions.PlaceholderAutoRotate);
Size itemSize = item.GetSize();
Point coord = new Point();
coord.X = marginX + (pageWidth - itemSize.Width) / 2;
coord.Y = marginY + (pageHeight - itemSize.Height) / 2;
items.Add(item);
coords.Add(coord);
e.HasMorePages = HasMorePages();
}
public override void FillPage(PrintPageEventArgs e, System.Collections.ArrayList items, System.Collections.ArrayList coords)
{
System.Diagnostics.Debug.Assert(items != null, "pItems should be allocated by caller");
System.Diagnostics.Debug.Assert(coords != null, "pCoords should be allocated by caller");
int printerResolutionX, printerResolutionY;
GetValidatedResolution(e, out printerResolutionX, out printerResolutionY);
ConvertSpacings(printerResolutionX, printerResolutionY);
int curX = 0,
curY = 0,
leftMargin = PrintUtils.InchHundredthsToPixels(e.MarginBounds.X, printerResolutionX),
topMargin = PrintUtils.InchHundredthsToPixels(e.MarginBounds.Y, printerResolutionY),
maxHeight = -1,
pageWidth = PrintUtils.InchHundredthsToPixels(e.MarginBounds.Width, printerResolutionX),
pageHeight = PrintUtils.InchHundredthsToPixels(e.MarginBounds.Height, printerResolutionY);
Size pageSize = new Size(pageWidth, pageHeight);
bool isPageFilled = false;
while (!isPageFilled)
{
bool isRowFilled = false;
maxHeight = -1;
while (!isRowFilled)
{
ImagePrintItem item = GetNextItem(e);
if (e.Cancel == true)
{
return;
}
if (item == null)
{
isPageFilled = true;
break;
}
item.FitSize(pageSize, _printOptions.PlaceholderAutoRotate);
Size itemSize = item.GetSize();
Size rotatedSize = item.GetSizeOfRotated();
// Trying to insert (maybe with rotation, if it allowed)
int freeSpaceWidth = pageWidth - curX,
freeSpaceHeight = pageHeight - curY;
if (itemSize.Width <= freeSpaceWidth && itemSize.Height <= freeSpaceHeight)
{
// Item placed successfully
items.Add(item);
coords.Add(new Point(curX + leftMargin, curY + topMargin));
curX += itemSize.Width;
if (itemSize.Height > maxHeight)
{
maxHeight = itemSize.Height;
}
}
else if (_printOptions.PlaceholderAutoRotate && (rotatedSize.Width <= freeSpaceWidth && rotatedSize.Height <= freeSpaceHeight))
{
// Item placed successfully after a 90-degree rotate.
items.Add(item);
coords.Add(new Point(curX + leftMargin, curY + topMargin));
item.SetSize(rotatedSize);
curX += rotatedSize.Width;
if (rotatedSize.Height > maxHeight)
{
maxHeight = rotatedSize.Height;
}
}
else
{
// Item cannot be inserted into current row - putting it into
// NonPlacedItems queue for trying to insert into next rows.
AddToNonPlacedItems(item);
isRowFilled = true;
}
curX += _horizontalSpacing;
if (curX >= pageWidth)
{
isRowFilled = true;
}
}
// Shifting to next row. If intMaxHeight == -1 - this means that
// no one Item has been inserted on current step => current Item
// of the queue can be placed only on next page => this page is filled.
if (maxHeight == -1)
{
isPageFilled = true;
}
else
{
curX = 0;
curY += maxHeight + _verticalSpacing;
if (curY > pageHeight)
{
isPageFilled = true;
}
}
}
e.HasMorePages = HasMorePages();
}
