private static bool ShouldMerge(PdfLine line1, PdfLine line2)
{
// might add aditional checks of same color, stroke, etc...
bool line1Vert = line1.Point1.X == line1.Point2.X; // if false, horizontal
bool line2Vert = line2.Point1.X == line2.Point2.X; // if false, horizontal
if (line1Vert ^ line2Vert)
{
return(false);
}
if (line1Vert) // line 1 is vertical
{
if (line1.Point1.X != line2.Point1.X)
{
return(false); // both lines do not share same X coord
}
}
else // line 1 is horizontal
{
if (line1.Point1.Y != line2.Point1.Y)
{
return(false); // both lines do not share same Y coord
}
}
return(line2.Contains(line1.Point1) ||
line2.Contains(line1.Point2) ||
line1.Contains(line2.Point1) ||
line1.Contains(line2.Point2));
}
public void Contains()
{
var line = new PdfLine(10, 7.5m, 26.3m, 12);
Assert.False(line.Contains(new PdfPoint(5, 2)));
Assert.False(line.Contains(new PdfPoint(5, 6.11963190184049m)));
Assert.False(line.Contains(new PdfPoint(27, 12.1932515337423m)));
Assert.False(line.Contains(new PdfPoint(12, 15)));
Assert.False(line.Contains(new PdfPoint(10, 12)));
Assert.True(line.Contains(new PdfPoint(20, 10.260736196319m)));
Assert.True(line.Contains(new PdfPoint(10, 7.5m)));
var verticalLine = new PdfLine(10, 7.5m, 10, 15);
Assert.False(verticalLine.Contains(new PdfPoint(5, 2)));
Assert.False(verticalLine.Contains(new PdfPoint(12, 15)));
Assert.False(verticalLine.Contains(new PdfPoint(10, 16)));
Assert.False(verticalLine.Contains(new PdfPoint(10, 7)));
Assert.True(verticalLine.Contains(new PdfPoint(10, 12)));
Assert.True(verticalLine.Contains(new PdfPoint(10, 7.5m)));
var horizontalLine = new PdfLine(10, 7.5m, 26.3m, 7.5m);
Assert.False(horizontalLine.Contains(new PdfPoint(5, 2)));
Assert.False(horizontalLine.Contains(new PdfPoint(5, 7.5)));
Assert.False(horizontalLine.Contains(new PdfPoint(27, 7.5)));
Assert.False(horizontalLine.Contains(new PdfPoint(10, 12)));
Assert.True(horizontalLine.Contains(new PdfPoint(20, 7.5)));
Assert.True(horizontalLine.Contains(new PdfPoint(26.3m, 7.5m)));
}