public virtual void EventOccurred(IEventData iEventData, EventType eventType)
{
if (eventType == EventType.RENDER_PATH)
{
PathRenderInfo pathInfo = (PathRenderInfo)iEventData;
Color colorFill = iEventData.GetGraphicsState().GetFillColor();
Color colorStroke = iEventData.GetGraphicsState().GetStrokeColor();
int pathOperation = pathInfo.GetOperation();
if (!pathInfo.IsPathModifiesClippingPath() && pathOperation != PathRenderInfo.NO_OP)
{
if (pathOperation == PathRenderInfo.STROKE)
{
if (!Color.IsWhite(colorStroke.GetColorSpace(), colorStroke.GetColorValue()))
{
Path path = pathInfo.GetPath().TransformPath(pathInfo.GetCtm(), false);
ProcessPathAsline(path, pathInfo.GetLineWidth());
}
}
else if (pathOperation == PathRenderInfo.FILL)
{
if (!Color.IsWhite(colorFill.GetColorSpace(), colorFill.GetColorValue()))
{
Path path = pathInfo.GetPath().TransformPath(pathInfo.GetCtm(), false);
ProcessPathAsRectangle(path);
}
}
else if (pathOperation == (int)(PathRenderInfo.STROKE | PathRenderInfo.FILL))
{
if (!Color.IsWhite(colorFill.GetColorSpace(), colorFill.GetColorValue()))
{
Path path = pathInfo.GetPath().TransformPath(pathInfo.GetCtm(), false);
ProcessPathAsRectangle(path);
}
else if (!Color.IsWhite(colorStroke.GetColorSpace(), colorStroke.GetColorValue()) &&
Color.IsWhite(colorFill.GetColorSpace(), colorFill.GetColorValue()))
{
Path path = pathInfo.GetPath().TransformPath(pathInfo.GetCtm(), false);
ProcessPathAsline(path, pathInfo.GetLineWidth());
}
}
}
}
else if (eventType == EventType.RENDER_TEXT)
{
if (iEventData is AbstractRenderInfo)
{
((AbstractRenderInfo)iEventData).PreserveGraphicsState();
textRenderList.Add(iEventData);
}
}
}
/// <summary>Filter a PathRenderInfo object</summary>
/// <param name="path">the PathRenderInfo object to be filtered</param>
public virtual Path FilterStrokePath(PathRenderInfo path)
{
PdfArray dashPattern = path.GetLineDashPattern();
LineDashPattern lineDashPattern = new LineDashPattern(dashPattern.GetAsArray(0), dashPattern.GetAsNumber(1
).FloatValue());
return(FilterStrokePath(path.GetPath(), path.GetCtm(), path.GetLineWidth(), path.GetLineCapStyle(), path.GetLineJoinStyle
(), path.GetMiterLimit(), lineDashPattern));
}
public virtual void ParsePath(PathRenderInfo data)
{
var shapeOperation = (ShapeOperation)data.GetOperation();
if (shapeOperation == ShapeOperation.None)
{
return;
}
bool evenOddRule = data.GetRule() == PdfCanvasConstants.FillingRule.EVEN_ODD;
var fillColor = ColorManager.Instance.GetColor(data.GetFillColor(), data.GetGraphicsState().GetFillOpacity());
if (shapeOperation != ShapeOperation.Stroke && (fillColor == null || fillColor == Color.Black))
{
return;
}
var strokeColor = ColorManager.Instance.GetColor(data.GetStrokeColor(), data.GetGraphicsState().GetStrokeOpacity());
var lineWidth = data.GetLineWidth();
var lineCap = data.GetLineCapStyle();
var ctm = data.GetCtm();
var lines = ConvertLines(data.GetPath(), ctm).ToArray();
if (lines.Length == 0)
{
return;
}
var shapeDetails = new ShapeDetails
{
ShapeOperation = shapeOperation,
StrokeColor = strokeColor,
FillColor = fillColor,
LineWidth = lineWidth,
EvenOddRule = evenOddRule,
Lines = lines
};
if (Log.DebugSupported)
{
Log.Debug($"shape: {shapeDetails}");
}
shapes.Add(shapeDetails);
}