public Background()
{
color= new Color(255, 255, 255);
image= null;
position= new FlexiblePoint(0f, 0f);
repeat= BackgroundRepeat.repeat;
}
public Background(string color = null, string imageurl = null, Coordinate position = null, BackgroundRepeat repeat = null)
{
Color = color;
ImageUrl = imageurl;
Position = position;
Repeat = repeat;
}
/// <summary>
/// Creates a new
/// <see cref="HtmlBackgroundImage"/>
/// instance.
/// </summary>
/// <param name="xObject">
/// background-image property.
/// <see cref="iText.Kernel.Pdf.Xobject.PdfImageXObject"/>
/// instance.
/// </param>
/// <param name="repeat">
/// background-repeat property.
/// <see cref="iText.Layout.Properties.BackgroundRepeat"/>
/// instance.
/// </param>
/// <param name="position">
/// background-position property.
/// <see cref="iText.Layout.Properties.BackgroundPosition"/>
/// instance.
/// </param>
/// <param name="blendMode">
/// background-blend-mode property.
/// <see cref="iText.Layout.Properties.BlendMode"/>
/// instance.
/// </param>
/// <param name="clip">
/// background-clip property.
/// <see cref="iText.Layout.Properties.BackgroundBox"/>
/// instance.
/// </param>
/// <param name="origin">
/// background-origin property.
/// <see cref="iText.Layout.Properties.BackgroundBox"/>
/// instance.
/// </param>
public HtmlBackgroundImage(PdfImageXObject xObject, BackgroundRepeat repeat, BackgroundPosition position,
BlendMode blendMode, BackgroundBox clip, BackgroundBox origin)
: base(new BackgroundImage.Builder().SetImage(xObject).SetBackgroundRepeat(repeat).SetBackgroundPosition(position
).SetBackgroundBlendMode(blendMode).SetBackgroundClip(clip).SetBackgroundOrigin(origin).Build())
{
dimensionMultiplier = PX_TO_PT_MULTIPLIER;
}
/// <summary>
/// Ctor
/// </summary>
/// <param name="a"></param>
/// <param name="c"></param>
/// <param name="i"></param>
/// <param name="r"></param>
/// <param name="p"></param>
public BackgroundStyles(string a, Color c, string i, BackgroundRepeat r, BackgroundPosition p)
{
attachment = a;
color = c;
image = i;
repeat = r;
position = p;
}
private string ExportRepeat(BackgroundRepeat repeat)
{
return(repeat switch
{
BackgroundRepeat.Repeat => "repeat",
BackgroundRepeat.RepeatX => "repeat-x",
BackgroundRepeat.RepeatY => "repeat-y",
_ => "no-repeat"
});
protected override void RenderAttributes(XElement element, FoRenderOptions options)
{
if (RegionName.HasValue())
{
element.Add(new XAttribute("region-name", RegionName));
}
if (BackgroundRepeat.HasValue())
{
element.Add(new XAttribute("background-repeat", BackgroundRepeat));
}
if (BackgroundImage.HasValue())
{
element.Add(new XAttribute("background-image", "url(" + BackgroundImage + ")"));
}
if (ColumnCount > 0)
{
element.Add(new XAttribute("column-count", ColumnCount));
}
if (ColumnGap.HasValue())
{
element.Add(new XAttribute("column-gap", ColumnGap));
}
if (Extent.HasValue())
{
element.Add(new XAttribute("extent", Extent));
}
if (Margin.HasValue())
{
element.Add(new XAttribute("margin", Margin));
}
if (MarginTop.HasValue())
{
element.Add(new XAttribute("margin-top", MarginTop));
}
if (MarginRight.HasValue())
{
element.Add(new XAttribute("margin-right", MarginRight));
}
if (MarginBottom.HasValue())
{
element.Add(new XAttribute("margin-bottom", MarginBottom));
}
if (MarginLeft.HasValue())
{
element.Add(new XAttribute("margin-left", MarginLeft));
}
}
private static IList <BackgroundImage> GetBackgroundImagesList(IList <String> backgroundImagesArray, ProcessorContext
context, float em, float rem, IList <String> backgroundPositionXArray, IList <String> backgroundPositionYArray
, IList <IList <String> > backgroundSizeArray, IList <String> backgroundBlendModeArray, IList <String> backgroundRepeatArray
, IList <String> backgroundClipArray, IList <String> backgroundOriginArray)
{
IList <BackgroundImage> backgroundImagesList = new List <BackgroundImage>();
for (int i = 0; i < backgroundImagesArray.Count; ++i)
{
String backgroundImage = backgroundImagesArray[i];
if (backgroundImage == null || CssConstants.NONE.Equals(backgroundImage))
{
continue;
}
BackgroundPosition position = ApplyBackgroundPosition(backgroundPositionXArray, backgroundPositionYArray,
i, em, rem);
BlendMode blendMode = ApplyBackgroundBlendMode(backgroundBlendModeArray, i);
bool imageApplied = false;
BackgroundRepeat repeat = ApplyBackgroundRepeat(backgroundRepeatArray, i);
BackgroundBox clip = GetBackgroundBoxProperty(backgroundClipArray, i, BackgroundBox.BORDER_BOX);
BackgroundBox origin = GetBackgroundBoxProperty(backgroundOriginArray, i, BackgroundBox.PADDING_BOX);
if (CssGradientUtil.IsCssLinearGradientValue(backgroundImage))
{
imageApplied = ApplyLinearGradient(backgroundImage, backgroundImagesList, blendMode, position, em, rem, repeat
, clip, origin);
}
else
{
PdfXObject image = context.GetResourceResolver().RetrieveImageExtended(CssUtils.ExtractUrl(backgroundImage
));
imageApplied = ApplyBackgroundImage(image, backgroundImagesList, repeat, blendMode, position, clip, origin
);
}
if (imageApplied)
{
ApplyBackgroundSize(backgroundSizeArray, em, rem, i, backgroundImagesList[backgroundImagesList.Count - 1]);
}
}
return(backgroundImagesList);
}
/// <summary>
/// Creates a new
/// <see cref="HtmlBackgroundImage"/>
/// instance.
/// </summary>
/// <param name="xObject">
/// background-image property.
/// <see cref="iText.Kernel.Pdf.Xobject.PdfFormXObject"/>
/// instance.
/// </param>
/// <param name="repeat">
/// background-repeat property.
/// <see cref="iText.Layout.Properties.BackgroundRepeat"/>
/// instance.
/// </param>
/// <param name="position">
/// background-position property.
/// <see cref="iText.Layout.Properties.BackgroundPosition"/>
/// instance.
/// </param>
/// <param name="blendMode">
/// background-blend-mode property.
/// <see cref="iText.Layout.Properties.BlendMode"/>
/// instance.
/// </param>
/// <param name="clip">
/// background-clip property.
/// <see cref="iText.Layout.Properties.BackgroundBox"/>
/// instance.
/// </param>
/// <param name="origin">
/// background-origin property.
/// <see cref="iText.Layout.Properties.BackgroundBox"/>
/// instance.
/// </param>
public HtmlBackgroundImage(PdfFormXObject xObject, BackgroundRepeat repeat, BackgroundPosition position, BlendMode
blendMode, BackgroundBox clip, BackgroundBox origin)
: base(new BackgroundImage.Builder().SetImage(xObject).SetBackgroundRepeat(repeat).SetBackgroundPosition(position
).SetBackgroundBlendMode(blendMode).SetBackgroundClip(clip).SetBackgroundOrigin(origin).Build())
{
}
private static bool ApplyLinearGradient(String image, IList <BackgroundImage> backgroundImagesList, BlendMode
blendMode, BackgroundPosition position, float em, float rem, BackgroundRepeat repeat, BackgroundBox clip
, BackgroundBox origin)
{
try {
StrategyBasedLinearGradientBuilder gradientBuilder = CssGradientUtil.ParseCssLinearGradient(image, em, rem
);
if (gradientBuilder != null)
{
backgroundImagesList.Add(new BackgroundImage.Builder().SetLinearGradientBuilder(gradientBuilder).SetBackgroundBlendMode
(blendMode).SetBackgroundPosition(position).SetBackgroundRepeat(repeat).SetBackgroundClip(clip).SetBackgroundOrigin
(origin).Build());
return(true);
}
}
catch (StyledXMLParserException) {
LOGGER.Warn(MessageFormatUtil.Format(iText.Html2pdf.LogMessageConstant.INVALID_GRADIENT_DECLARATION, image
));
}
return(false);
}
private static bool ApplyBackgroundImage(PdfXObject image, IList <BackgroundImage> backgroundImagesList, BackgroundRepeat
repeat, BlendMode backgroundBlendMode, BackgroundPosition position, BackgroundBox clip, BackgroundBox
origin)
{
if (image == null)
{
return(false);
}
if (image is PdfImageXObject)
{
backgroundImagesList.Add(new BackgroundApplierUtil.HtmlBackgroundImage((PdfImageXObject)image, repeat, position
, backgroundBlendMode, clip, origin));
return(true);
}
else
{
if (image is PdfFormXObject)
{
backgroundImagesList.Add(new BackgroundApplierUtil.HtmlBackgroundImage((PdfFormXObject)image, repeat, position
, backgroundBlendMode, clip, origin));
return(true);
}
else
{
throw new InvalidOperationException();
}
}
}
public BackgroundImage(Source source, BackgroundRepeat backgroundRepeat, string value)
{
_source = source;
_backgroundRepeat = backgroundRepeat;
_value = value;
}
private static int GetBackgroundPageNumber(int currentDocumentPage, int numberOfBackgroundpages, BackgroundRepeat repeat, int startOffset, int endPage)
{
if (currentDocumentPage <= startOffset)
{
return(-1);
}
if (currentDocumentPage > endPage)
{
return(-1);
}
switch (repeat)
{
case BackgroundRepeat.RepeatAllPages:
return(((currentDocumentPage - startOffset - 1) % numberOfBackgroundpages) + 1);
case BackgroundRepeat.RepeatLastPage:
if ((currentDocumentPage - startOffset) < numberOfBackgroundpages)
{
return(currentDocumentPage - startOffset);
}
//else if (currentDocumentPage - startOffset >= numberOfBackgroundpages)
return(numberOfBackgroundpages);
case BackgroundRepeat.NoRepetition:
if ((currentDocumentPage - startOffset) <= numberOfBackgroundpages)
{
return(currentDocumentPage - startOffset);
}
//else
return(-1);
}
return(-1); //default
}
public BackgroundImage(Source source, BackgroundRepeat backgroundRepeat, string value)
{
this.source = source;
this.backgroundRepeat = backgroundRepeat;
this.value = value;
}
public static T GradientRepeat <T>(this T control, BackgroundRepeat repeat) where T : IGradientControl
{
control.GradientRepeat = repeat;
return(control);
}
public void Render(IOutputStream outputStream)
{
outputStream.Write(HTMLElements.m_openDiv);
if (!string.IsNullOrEmpty(Role))
{
outputStream.Write(HTMLElements.m_space);
outputStream.Write(HTMLElements.m_role);
outputStream.Write(HTMLElements.m_equal);
outputStream.Write(HTMLElements.m_quote);
outputStream.Write(Role);
outputStream.Write(HTMLElements.m_quote);
}
if (!string.IsNullOrEmpty(AriaLabel))
{
outputStream.Write(HTMLElements.m_space);
outputStream.Write(HTMLElements.m_ariaLabel);
outputStream.Write(HTMLElements.m_equal);
outputStream.Write(HTMLElements.m_quote);
outputStream.Write(AntiXssEncoder.XmlAttributeEncode(AriaLabel));
outputStream.Write(HTMLElements.m_quote);
}
string text = string.Empty;
if (Size != null && Size.Width != null && Size.Width.GetType() == typeof(AutoScaleTo100Percent))
{
text = HTMLElements.m_resize100WidthClassName;
}
if (Size != null && Size.Height != null && Size.Height.GetType() == typeof(AutoScaleTo100Percent))
{
text = text + HTMLElements.m_spaceString + HTMLElements.m_resize100HeightClassName;
}
if (!string.IsNullOrEmpty(text))
{
outputStream.Write(HTMLElements.m_classStyle);
outputStream.Write(text);
outputStream.Write(HTMLElements.m_quoteString);
}
outputStream.Write(HTMLElements.m_openStyle);
if (Size != null)
{
Size.Render(outputStream);
}
if (BackgroundImage != null)
{
outputStream.Write(HTMLElements.m_space);
outputStream.Write(HTMLElements.m_backgroundImage);
outputStream.Write(BackgroundImage.Replace("(", "%28").Replace(")", "%29"));
outputStream.Write(HTMLElements.m_closeParenthesis);
outputStream.Write(HTMLElements.m_semiColon);
}
if (BackgroundImageSize != null)
{
outputStream.Write(HTMLElements.m_space);
outputStream.Write(HTMLElements.m_backgroundSize);
outputStream.Write(BackgroundImageSize);
outputStream.Write(HTMLElements.m_semiColon);
}
if (BackgroundRepeat != null)
{
outputStream.Write(HTMLElements.m_space);
outputStream.Write(HTMLElements.m_backgroundRepeat);
BackgroundRepeat.Render(outputStream);
outputStream.Write(HTMLElements.m_semiColon);
}
if (Overflow != null)
{
outputStream.Write(HTMLElements.m_overflow);
outputStream.Write(Overflow);
outputStream.Write(HTMLElements.m_semiColon);
}
outputStream.Write(HTMLElements.m_quoteString);
outputStream.Write(HTMLElements.m_closeBracket);
if (ChildElement != null)
{
ChildElement.Render(outputStream);
}
outputStream.Write(HTMLElements.m_closeDiv);
}
