/// <summary>
/// Value-setting constructor.
/// </summary>
/// <param name="parent">The parent node of this page in the document page tree.</param>
/// <param name="objectId">The indirect object ID of this page.</param>
/// <param name="size">The paper size of this page.</param>
/// <param name="orientation">The orientation of this page.</param>
/// <param name="horizontalMarginProportion">The proportion of the page taken up by each of the left and right margins.</param>
/// <param name="verticalMarginProportion">The proportion of the page taken up by each of the top and bottom margins.</param>
/// <param name="generation">The object generation number. Defaults to zero. As we do not currently support rewriting existing documents, this should not be set.</param>
public PdfPage(
PdfPageTreeNode parent,
int objectId,
PhysicalPageSize size,
PageOrientation orientation,
double horizontalMarginProportion,
double verticalMarginProportion,
int generation = 0)
: base(parent, objectId, generation)
{
if (parent == null)
{
throw new ArgumentNullException(nameof(parent));
}
PageSize = size;
PageOrientation = orientation;
UniSize pagePtSize = size.ToUniSize(orientation);
TopMarginPosition = pagePtSize.Height * verticalMarginProportion;
BottomMarginPosition = pagePtSize.Height - TopMarginPosition;
LeftMarginPosition = pagePtSize.Width * horizontalMarginProportion;
RightMarginPosition = pagePtSize.Width - LeftMarginPosition;
PageAvailableWidth = RightMarginPosition - LeftMarginPosition;
CurrentVerticalCursor = TopMarginPosition;
MediaBox = size.ToPdfRectangle(orientation);
}
public void UniSizeExtensionsClass_ToPdfRectangleMethod_ReturnsObjectWithFourthElementEqualInValueToHeightOfFirstParameter()
{
UniSize testParam0 = GetUniSize();
PdfRectangle testOutput = testParam0.ToPdfRectangle();
Assert.AreEqual((decimal)testParam0.Height, (testOutput[3] as PdfReal).Value);
}
public void UniSizeExtensionsClass_ToPdfRectangleMethod_ReturnsObjectWithSecondElementEqualToZero()
{
UniSize testParam0 = GetUniSize();
PdfRectangle testOutput = testParam0.ToPdfRectangle();
Assert.AreEqual(new PdfReal(0), testOutput[1]);
}
public void UniSizeExtensionsClass_ToPdfRectangleMethod_ReturnsObjectWithThirdElementEqualInValueToWidthOfFirstParameter()
{
UniSize testParam0 = GetUniSize();
PdfRectangle testOutput = testParam0.ToPdfRectangle();
Assert.AreEqual((decimal)testParam0.Width, (testOutput[2] as PdfReal).Value);
}
/// <summary>
/// Convert a <see cref="UniSize" /> instance into a <see cref="PdfRectangle" /> of the same size and with its bottom-left corner at the origin.
/// </summary>
/// <param name="size">The size to be converted.</param>
/// <returns>A <see cref="PdfRectangle" /> instance of the same size as the parameter.</returns>
/// <exception cref="NullReferenceException">Thrown if the size parameter is null.</exception>
public static PdfRectangle ToPdfRectangle(this UniSize size)
{
if (size == null)
{
throw new NullReferenceException();
}
return(new PdfRectangle(_zero.Value, _zero.Value, new PdfReal(size.Width), new PdfReal(size.Height)));
}
public void UniSizeExtensionsClass_ToPdfRectangleMethod_ThrowsNullReferenceExceptionWhenFirstParameterIsNull()
{
UniSize testParam0 = null;
testParam0.ToPdfRectangle();
Assert.Fail();
}
public void PhysicalPageSizeExtensionsClass_ToUniSizeMethodWithOneParameter_ReturnsCorrectValueWhenParameterEqualsA6()
{
PhysicalPageSize testParam0 = PhysicalPageSize.A6;
UniSize testOutput = testParam0.ToUniSize();
Assert.AreEqual(297, testOutput.Width);
Assert.AreEqual(419, testOutput.Height);
}
public void PhysicalPageSizeExtensionsClass_ToUniSizeMethodWithTwoParameters_ReturnsCorrectValueWhenFirstParameterEqualsA6AndSecondParameterEqualsArbitrary()
{
PhysicalPageSize testParam0 = PhysicalPageSize.A6;
PageOrientation testParam1 = PageOrientation.Arbitrary;
UniSize testOutput = testParam0.ToUniSize(testParam1);
Assert.AreEqual(297, testOutput.Width);
Assert.AreEqual(419, testOutput.Height);
}
public void PhysicalPageSizeExtensionsClass_ToUniSizeMethodWithTwoParameters_ReturnsCorrectValueWhenFirstParameterEqualsA4AndSecondParameterEqualsLandscape()
{
PhysicalPageSize testParam0 = PhysicalPageSize.A4;
PageOrientation testParam1 = PageOrientation.Landscape;
UniSize testOutput = testParam0.ToUniSize(testParam1);
Assert.AreEqual(595, testOutput.Height);
Assert.AreEqual(841, testOutput.Width);
}
public void PhysicalPageSizeExtensionsClass_ToUniSizeMethodWithTwoParameters_ReturnsCorrectValueWhenFirstParameterEqualsA3AndSecondParameterEqualsPortrait()
{
PhysicalPageSize testParam0 = PhysicalPageSize.A3;
PageOrientation testParam1 = PageOrientation.Portrait;
UniSize testOutput = testParam0.ToUniSize(testParam1);
Assert.AreEqual(841, testOutput.Width);
Assert.AreEqual(1190, testOutput.Height);
}
public static void PopulateSize(this TrainGraphAxisTickInfo tickInfo, IGraphicsContext context, IFontDescriptor font)
{
if (tickInfo is null)
{
throw new ArgumentNullException(nameof(tickInfo));
}
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
UniSize measure = context.MeasureString(tickInfo.Label, font);
tickInfo.Width = measure.Width;
tickInfo.Height = measure.Height;
}