/// <summary>Calculate margin box rectangles.</summary>
/// <param name="resolvedPageMarginBoxes">the resolved page margin boxes</param>
/// <returns>
/// an array of
/// <see cref="iText.Kernel.Geom.Rectangle"/>
/// values
/// </returns>
private Rectangle[] CalculateMarginBoxRectangles(IList <PageMarginBoxContextNode> resolvedPageMarginBoxes)
{
// TODO It's a very basic implementation for now. In future resolve rectangles based on presence of certain margin boxes,
// also height and width properties should be taken into account.
float topMargin = margins[0];
float rightMargin = margins[1];
float bottomMargin = margins[2];
float leftMargin = margins[3];
Rectangle withoutMargins = pageSize.Clone().ApplyMargins(topMargin, rightMargin, bottomMargin, leftMargin,
false);
float topBottomMarginWidth = withoutMargins.GetWidth() / 3;
float leftRightMarginHeight = withoutMargins.GetHeight() / 3;
Rectangle[] hardcodedBoxRectangles = new Rectangle[] { new Rectangle(0, withoutMargins.GetTop(), leftMargin
, topMargin), new Rectangle(rightMargin, withoutMargins.GetTop(), topBottomMarginWidth, topMargin), new
Rectangle(rightMargin + topBottomMarginWidth, withoutMargins.GetTop(), topBottomMarginWidth, topMargin
), new Rectangle(withoutMargins.GetRight() - topBottomMarginWidth, withoutMargins.GetTop(), topBottomMarginWidth
, topMargin), new Rectangle(withoutMargins.GetRight(), withoutMargins.GetTop(), topBottomMarginWidth,
topMargin), new Rectangle(withoutMargins.GetRight(), withoutMargins.GetTop() - leftRightMarginHeight,
rightMargin, leftRightMarginHeight), new Rectangle(withoutMargins.GetRight(), withoutMargins.GetBottom
() + leftRightMarginHeight, rightMargin, leftRightMarginHeight), new Rectangle(withoutMargins.GetRight
(), withoutMargins.GetBottom(), rightMargin, leftRightMarginHeight), new Rectangle(withoutMargins.GetRight
(), 0, rightMargin, bottomMargin), new Rectangle(withoutMargins.GetRight() - topBottomMarginWidth, 0,
topBottomMarginWidth, bottomMargin), new Rectangle(rightMargin + topBottomMarginWidth, 0, topBottomMarginWidth
, bottomMargin), new Rectangle(rightMargin, 0, topBottomMarginWidth, bottomMargin), new Rectangle(0, 0
, leftMargin, bottomMargin), new Rectangle(0, withoutMargins.GetBottom(), leftMargin, leftRightMarginHeight
), new Rectangle(0, withoutMargins.GetBottom() + leftRightMarginHeight, leftMargin, leftRightMarginHeight
), new Rectangle(0, withoutMargins.GetTop() - leftRightMarginHeight, leftMargin, leftRightMarginHeight
) };
return(hardcodedBoxRectangles);
}
// TODO may be use here TABLOID? based on w3c tests, ledger in html is interpreted as portrait-oriented page
/// <summary>Fetch the page size.</summary>
/// <param name="pageSizeStr">the name of the page size ("a4", "letter",...)</param>
/// <param name="em">the em value</param>
/// <param name="rem">the root em value</param>
/// <param name="defaultPageSize">the default page size</param>
/// <returns>the page size</returns>
internal static PageSize FetchPageSize(String pageSizeStr, float em, float rem, PageSize defaultPageSize)
{
PageSize pageSize = (PageSize)defaultPageSize.Clone();
if (pageSizeStr == null || CssConstants.AUTO.Equals(pageSizeStr))
{
return(pageSize);
}
String[] pageSizeChunks = iText.IO.Util.StringUtil.Split(pageSizeStr, " ");
String firstChunk = pageSizeChunks[0];
if (IsLengthValue(firstChunk))
{
PageSize pageSizeBasedOnLength = ParsePageLengthValue(pageSizeChunks, em, rem);
if (pageSizeBasedOnLength != null)
{
pageSize = pageSizeBasedOnLength;
}
else
{
ILog logger = LogManager.GetLogger(typeof(PageSizeParser));
logger.Error(MessageFormatUtil.Format(iText.Html2pdf.LogMessageConstant.PAGE_SIZE_VALUE_IS_INVALID, pageSizeStr
));
}
}
else
{
bool? landscape = null;
PageSize namedPageSize = null;
if (IsLandscapePortraitValue(firstChunk))
{
landscape = CssConstants.LANDSCAPE.Equals(firstChunk);
}
else
{
namedPageSize = pageSizeConstants.Get(firstChunk);
}
if (pageSizeChunks.Length > 1)
{
String secondChunk = pageSizeChunks[1];
if (IsLandscapePortraitValue(secondChunk))
{
landscape = CssConstants.LANDSCAPE.Equals(secondChunk);
}
else
{
namedPageSize = pageSizeConstants.Get(secondChunk);
}
}
bool b1 = pageSizeChunks.Length == 1 && (namedPageSize != null || landscape != null);
bool b2 = namedPageSize != null && landscape != null;
if (b1 || b2)
{
if (namedPageSize != null)
{
pageSize = namedPageSize;
}
if (true.Equals(landscape))
{
pageSize = pageSize.Rotate();
}
}
else
{
ILog logger = LogManager.GetLogger(typeof(PageSizeParser));
logger.Error(MessageFormatUtil.Format(iText.Html2pdf.LogMessageConstant.PAGE_SIZE_VALUE_IS_INVALID, pageSizeStr
));
}
}
return(pageSize);
}
private void DetermineSizes(int side)
{
float[][] marginsBordersPaddingsWidths = new float[][] { new float[4], new float[4], new float[4] };
for (int i = 0; i < 3; i++)
{
if (renderers[side * 4 + i + 1] != null)
{
marginsBordersPaddingsWidths[i][0] = GetSizeOfOneSide(renderers[side * 4 + i + 1], Property.MARGIN_TOP, Property
.BORDER_TOP, Property.PADDING_TOP);
marginsBordersPaddingsWidths[i][1] = GetSizeOfOneSide(renderers[side * 4 + i + 1], Property.MARGIN_RIGHT,
Property.BORDER_RIGHT, Property.PADDING_RIGHT);
marginsBordersPaddingsWidths[i][2] = GetSizeOfOneSide(renderers[side * 4 + i + 1], Property.MARGIN_BOTTOM,
Property.BORDER_BOTTOM, Property.PADDING_BOTTOM);
marginsBordersPaddingsWidths[i][3] = GetSizeOfOneSide(renderers[side * 4 + i + 1], Property.MARGIN_LEFT, Property
.BORDER_LEFT, Property.PADDING_LEFT);
}
}
Rectangle withoutMargins = pageSize.Clone().ApplyMargins(margins[0], margins[1], margins[2], margins[3], false
);
IDictionary <String, PageMarginBoxContextNode> resolvedPMBMap = new Dictionary <String, PageMarginBoxContextNode
>();
for (int i = side * 4 + 1; i < side * 4 + 4; i++)
{
if (nodes[i] != null)
{
resolvedPMBMap.Put(nodes[i].GetMarginBoxName(), nodes[i]);
}
}
DimensionContainer[] dims = new DimensionContainer[3];
String[] cssRuleName = GetRuleNames(side);
float withoutMarginsWidthOrHeight = side % 2 == 0 ? withoutMargins.GetWidth() : withoutMargins.GetHeight();
for (int i = 0; i < 3; i++)
{
if (side % 2 == 0)
{
dims[i] = RetrievePageMarginBoxWidths(resolvedPMBMap.Get(cssRuleName[i]), renderers[side * 4 + i + 1], withoutMarginsWidthOrHeight
, marginsBordersPaddingsWidths[i][1] + marginsBordersPaddingsWidths[i][3]);
}
else
{
dims[i] = RetrievePageMarginBoxHeights(resolvedPMBMap.Get(cssRuleName[i]), renderers[side * 4 + i + 1], margins
[side], withoutMarginsWidthOrHeight, marginsBordersPaddingsWidths[i][0] + marginsBordersPaddingsWidths
[i][2]);
}
}
float centerOrMiddleCoord;
float[] widthOrHeightResults;
widthOrHeightResults = CalculatePageMarginBoxDimensions(dims[0], dims[1], dims[2], withoutMarginsWidthOrHeight
);
if (side % 2 == 0)
{
centerOrMiddleCoord = GetStartCoordForCenterOrMiddleBox(withoutMarginsWidthOrHeight, widthOrHeightResults[
1], withoutMargins.GetLeft());
}
else
{
centerOrMiddleCoord = GetStartCoordForCenterOrMiddleBox(withoutMarginsWidthOrHeight, widthOrHeightResults[
1], withoutMargins.GetBottom());
}
Rectangle[] result = GetRectangles(side, withoutMargins, centerOrMiddleCoord, widthOrHeightResults);
for (int i = 0; i < 3; i++)
{
if (nodes[side * 4 + i + 1] != null)
{
nodes[side * 4 + i + 1].SetPageMarginBoxRectangle(new Rectangle(result[i]).IncreaseHeight(EPSILON));
UnitValue width = UnitValue.CreatePointValue(result[i].GetWidth() - marginsBordersPaddingsWidths[i][1] - marginsBordersPaddingsWidths
[i][3]);
UnitValue height = UnitValue.CreatePointValue(result[i].GetHeight() - marginsBordersPaddingsWidths[i][0] -
marginsBordersPaddingsWidths[i][2]);
if (Math.Abs(width.GetValue()) < EPSILON || Math.Abs(height.GetValue()) < EPSILON)
{
renderers[side * 4 + i + 1] = null;
}
else
{
renderers[side * 4 + i + 1].SetProperty(Property.WIDTH, width);
renderers[side * 4 + i + 1].SetProperty(Property.HEIGHT, height);
}
}
}
}