public override void OnStartPage(PdfWriter writer, Document document)
{
PdfContentByte canvas = writer.DirectContentUnder;
Rectangle rect = document.PageSize;
PdfTemplate template = canvas.CreateTemplate(20, 16);
Image total = null;
try {
total = Image.GetInstance(template);
} catch (BadElementException e) {
}
total.SetAccessibleAttribute(PdfName.ALT, new PdfString("Total"));
templates.Add(template);
PdfPTable table = CreateTable(writer.PageNumber, total);
if (table != null)
{
canvas.OpenMCBlock(headerTable);
canvas.OpenMCBlock(headerTable.GetBody());
table.WriteSelectedRows(0, -1, document.LeftMargin,
rect.GetTop(marginTop), canvas);
canvas.CloseMCBlock(headerTable.GetBody());
canvas.CloseMCBlock(headerTable);
}
}
virtual public int Layout(PdfContentByte canvas, bool useAscender, bool simulate, float llx, float lly, float urx, float ury)
{
float leftX = Math.Min(llx, urx);
float maxY = Math.Max(lly, ury);
float minY = Math.Min(lly, ury);
float rightX = Math.Max(llx, urx);
yLine = maxY;
bool contentCutByFixedHeight = false;
if (width != null && width > 0)
{
if (width < rightX - leftX)
{
rightX = leftX + (float)width;
}
else if (width > rightX - leftX)
{
return(ColumnText.NO_MORE_COLUMN);
}
}
else if (percentageWidth != null)
{
contentWidth = (rightX - leftX) * (float)percentageWidth;
rightX = leftX + contentWidth;
}
else if (percentageWidth == null)
{
if (this.floatType == FloatType.NONE && (this.display == DisplayType.DEFAULT_NULL_VALUE ||
this.display == DisplayType.BLOCK || this.display == DisplayType.LIST_ITEM ||
this.display == DisplayType.RUN_IN))
{
contentWidth = rightX - leftX;
}
}
if (height != null && height > 0)
{
if (height < maxY - minY)
{
contentCutByFixedHeight = true;
minY = maxY - (float)height;
}
else if (height > maxY - minY)
{
return(ColumnText.NO_MORE_COLUMN);
}
}
else if (percentageHeight != null)
{
if (percentageHeight < 1.0)
{
contentCutByFixedHeight = true;
}
contentHeight = (maxY - minY) * (float)percentageHeight;
minY = maxY - contentHeight;
}
if (!simulate && position == PdfDiv.PositionType.RELATIVE)
{
float?translationX = null;
if (left != null)
{
translationX = left;
}
else if (right != null)
{
translationX = -right;
}
else
{
translationX = 0f;
}
float?translationY = null;
if (top != null)
{
translationY = -top;
}
else if (bottom != null)
{
translationY = bottom;
}
else
{
translationY = 0f;
}
canvas.SaveState();
canvas.Transform(new AffineTransform(1f, 0, 0, 1f, translationX.Value, translationY.Value));
}
if (!simulate)
{
if ((backgroundColor != null || backgroundImage != null) && getActualWidth() > 0 && getActualHeight() > 0)
{
float backgroundWidth = getActualWidth();
float backgroundHeight = getActualHeight();
if (width != null)
{
backgroundWidth = width > 0 ? (float)width : 0;
}
if (height != null)
{
backgroundHeight = height > 0 ? (float)height : 0;
}
if (backgroundWidth > 0 && backgroundHeight > 0)
{
Rectangle background = new Rectangle(leftX, maxY - backgroundHeight, leftX + backgroundWidth, maxY);
if (backgroundColor != null)
{
background.BackgroundColor = backgroundColor;
PdfArtifact artifact = new PdfArtifact();
canvas.OpenMCBlock(artifact);
canvas.Rectangle(background);
canvas.CloseMCBlock(artifact);
}
if (backgroundImage != null)
{
if (backgroundImageWidth == null)
{
backgroundImage.ScaleToFit(background);
}
else
{
backgroundImage.ScaleAbsolute((float)backgroundImageWidth, backgroundImageHeight);
}
backgroundImage.SetAbsolutePosition(background.Left, background.Bottom);
canvas.OpenMCBlock(backgroundImage);
canvas.AddImage(backgroundImage);
canvas.CloseMCBlock(backgroundImage);
}
}
}
}
if (percentageWidth == null)
{
contentWidth = 0;
}
if (percentageHeight == null)
{
contentHeight = 0;
}
minY += paddingBottom;
leftX += paddingLeft;
rightX -= paddingRight;
yLine -= paddingTop;
int status = ColumnText.NO_MORE_TEXT;
if (content.Count > 0)
{
if (floatLayout == null)
{
List <IElement> floatingElements = new List <IElement>(content);
floatLayout = new FloatLayout(floatingElements, useAscender);
floatLayout.RunDirection = runDirection;
}
floatLayout.SetSimpleColumn(leftX, minY, rightX, yLine);
if (borderTopStyle != BorderTopStyle.NONE)
{
floatLayout.compositeColumn.IgnoreSpacingBefore = false;
}
status = floatLayout.Layout(canvas, simulate);
yLine = floatLayout.YLine;
if (percentageWidth == null && contentWidth < floatLayout.FilledWidth)
{
contentWidth = floatLayout.FilledWidth;
}
}
if (!simulate && position == PdfDiv.PositionType.RELATIVE)
{
canvas.RestoreState();
}
yLine -= paddingBottom;
if (percentageHeight == null)
{
contentHeight = maxY - yLine;
}
if (percentageWidth == null)
{
contentWidth += paddingLeft + paddingRight;
}
return(contentCutByFixedHeight ? ColumnText.NO_MORE_TEXT : status);
}
public int Layout(PdfContentByte canvas, bool simulate)
{
compositeColumn.Canvas = canvas;
int status = ColumnText.NO_MORE_TEXT;
List <IElement> floatingElements = new List <IElement>();
List <IElement> content = simulate ? new List <IElement>(this.content) : this.content;
while (content.Count > 0)
{
if (content[0] is PdfDiv)
{
PdfDiv floatingElement = (PdfDiv)content[0];
if (floatingElement.Float == PdfDiv.FloatType.LEFT || floatingElement.Float == PdfDiv.FloatType.RIGHT)
{
floatingElements.Add(floatingElement);
content.RemoveAt(0);
}
else
{
if (floatingElements.Count > 0)
{
status = FloatingLayout(floatingElements, simulate);
if ((status & ColumnText.NO_MORE_TEXT) == 0)
{
break;
}
}
content.RemoveAt(0);
status = floatingElement.Layout(canvas, useAscender, true, floatLeftX, minY, floatRightX, yLine);
if (!simulate)
{
canvas.OpenMCBlock(floatingElement);
status = floatingElement.Layout(canvas, useAscender, simulate, floatLeftX, minY, floatRightX, yLine);
canvas.CloseMCBlock(floatingElement);
}
if (floatingElement.getActualWidth() > filledWidth)
{
filledWidth = floatingElement.getActualWidth();
}
if ((status & ColumnText.NO_MORE_TEXT) == 0)
{
content.Insert(0, floatingElement);
yLine = floatingElement.YLine;
break;
}
else
{
yLine -= floatingElement.getActualHeight();
}
}
}
else
{
floatingElements.Add(content[0]);
content.RemoveAt(0);
}
}
if ((status & ColumnText.NO_MORE_TEXT) != 0 && floatingElements.Count > 0)
{
status = FloatingLayout(floatingElements, simulate);
}
content.InsertRange(0, floatingElements);
return(status);
}
virtual public int Layout(PdfContentByte canvas, bool useAscender, bool simulate, float llx, float lly, float urx, float ury)
{
float leftX = Math.Min(llx, urx);
float maxY = Math.Max(lly, ury);
float minY = Math.Min(lly, ury);
float rightX = Math.Max(llx, urx);
yLine = maxY;
bool contentCutByFixedHeight = false;
if (width != null && width > 0)
{
if (width < rightX - leftX)
{
rightX = leftX + (float)width;
}
else if (width > rightX - leftX)
{
return(ColumnText.NO_MORE_COLUMN);
}
}
else if (percentageWidth != null)
{
contentWidth = (rightX - leftX) * (float)percentageWidth;
rightX = leftX + contentWidth;
}
if (height != null && height > 0)
{
if (height < maxY - minY)
{
contentCutByFixedHeight = true;
minY = maxY - (float)height;
}
else if (height > maxY - minY)
{
return(ColumnText.NO_MORE_COLUMN);
}
}
else if (percentageHeight != null)
{
if (percentageHeight < 1.0)
{
contentCutByFixedHeight = true;
}
contentHeight = (maxY - minY) * (float)percentageHeight;
minY = maxY - contentHeight;
}
if (!simulate && position == PdfDiv.PositionType.RELATIVE)
{
float?translationX = null;
if (left != null)
{
translationX = left;
}
else if (right != null)
{
translationX = -right;
}
else
{
translationX = 0f;
}
float?translationY = null;
if (top != null)
{
translationY = -top;
}
else if (bottom != null)
{
translationY = bottom;
}
else
{
translationY = 0f;
}
canvas.SaveState();
canvas.Transform(new AffineTransform(1f, 0, 0, 1f, translationX.Value, translationY.Value));
}
if (!simulate)
{
if (backgroundColor != null && getActualWidth() > 0 && getActualHeight() > 0)
{
float backgroundWidth = getActualWidth();
float backgroundHeight = getActualHeight();
if (width != null)
{
backgroundWidth = width > 0 ? (float)width : 0;
}
if (height != null)
{
backgroundHeight = height > 0 ? (float)height : 0;
}
if (backgroundWidth > 0 && backgroundHeight > 0)
{
Rectangle background = new Rectangle(leftX, maxY - backgroundHeight, leftX + backgroundWidth, maxY);
background.BackgroundColor = backgroundColor;
PdfArtifact artifact = new PdfArtifact();
canvas.OpenMCBlock(artifact);
canvas.Rectangle(background);
canvas.CloseMCBlock(artifact);
}
}
}
if (percentageWidth == null)
{
contentWidth = 0;
}
if (percentageHeight == null)
{
contentHeight = 0;
}
minY += paddingBottom;
leftX += paddingLeft;
rightX -= paddingRight;
yLine -= paddingTop;
int status = ColumnText.NO_MORE_TEXT;
if (content.Count > 0)
{
if (floatLayout == null)
{
List <IElement> floatingElements = new List <IElement>(content);
floatLayout = new FloatLayout(floatingElements, useAscender);
}
floatLayout.SetSimpleColumn(leftX, minY, rightX, yLine);
status = floatLayout.Layout(canvas, simulate);
yLine = floatLayout.YLine;
if (percentageWidth == null && contentWidth < floatLayout.FilledWidth)
{
contentWidth = floatLayout.FilledWidth;
}
}
if (!simulate && position == PdfDiv.PositionType.RELATIVE)
{
canvas.RestoreState();
}
yLine -= paddingBottom;
if (percentageHeight == null)
{
contentHeight = maxY - yLine;
}
if (percentageWidth == null)
{
contentWidth += paddingLeft + paddingRight;
}
return(contentCutByFixedHeight ? ColumnText.NO_MORE_TEXT : status);
}
