/// <summary>
/// 输出图片类型的元素
/// </summary>
/// <param name="element">文档元素对象</param>
public void WriteImageElement(DomElement element)
{
DocumentContentStyle style = element.RuntimeStyle;
Image img = element.CreateContentImage();
if (img != null)
{
HtmlAttachFile file = this.AddImage(img, null);
WriteStartElement("img");
WriteStartStyle();
WriteDocumentContentStyle(element.RuntimeStyle, element);
WriteEndStyle();
WriteAttributeString("src", file.ReferenceCode);
WriteAttributeString(
"width",
GraphicsUnitConvert.ToCSSLength(
element.Width,
element.OwnerDocument.DocumentGraphicsUnit,
CssLengthUnit.Pixels));
WriteAttributeString(
"width",
GraphicsUnitConvert.ToCSSLength(
element.Height,
element.OwnerDocument.DocumentGraphicsUnit,
CssLengthUnit.Pixels));
if (element is DomImageElement)
{
string title = ((DomImageElement)element).Title;
if (title != null && title.Length > 0)
{
WriteAttributeString("title", title);
}
}
WriteEndElement();
}
}
//public override void WriteStartDocument()
//{
// base.WriteStartDocument();
// this.WriteStartElement("div");
//}
//public override void WriteEndDocument()
//{
// this.WriteEndElement();
// base.WriteEndDocument();
//}
/// <summary>
/// 输出文档样式
/// </summary>
/// <param name="style">文档样式信息对象</param>
/// <param name="element">相关的文档元素对象</param>
public void WriteDocumentContentStyle(DocumentContentStyle style, DomElement element)
{
if (style == null)
{
throw new ArgumentNullException("style");
}
GraphicsUnit documentUnit = GraphicsUnit.Document;
if (this.MainDocument != null)
{
documentUnit = this.MainDocument.DocumentGraphicsUnit;
}
// 输出边框线
base.WriteBorderStyle(
style.BorderLeft,
style.BorderTop,
style.BorderRight,
style.BorderBottom,
style.BorderColor,
(int)style.BorderWidth,
style.BorderStyle);
// 输出字体
base.WriteFontStyle(style.Font.Value);
// 输出内边距
base.WritePaddingStyle(
ToPixel(style.PaddingLeft),
ToPixel(style.PaddingTop),
ToPixel(style.PaddingRight),
ToPixel(style.PaddingBottom));
// 输出外边距
base.WriteMarginStyle(
ToPixel(style.MarginLeft),
ToPixel(style.MarginTop),
ToPixel(style.MarginRight),
ToPixel(style.MarginBottom));
if (element is DomParagraphFlagElement ||
element is DomParagraphElement)
{
// 文本水平对齐方式
switch (style.Align)
{
case DocumentContentAlignment.Left:
base.WriteStyleItem("text-align", "left");
break;
case DocumentContentAlignment.Center:
base.WriteStyleItem("text-align", "center");
break;
case DocumentContentAlignment.Right:
base.WriteStyleItem("text-align", "right");
break;
case DocumentContentAlignment.Justify:
base.WriteStyleItem("text-align", "justify");
break;
default:
base.WriteStyleItem("text-align", "left");
break;
}
}
if (XDependencyObject.HasPropertyValue(style, ContentStyle.PropertyName_BackgroundColor))
{
// 输出背景色
WriteStyleItem("background-color", ColorToString(style.BackgroundColor));
}
if (style.BackgroundImage != null && style.BackgroundImage.HasContent)
{
// 输出背景图片
HtmlAttachFile file = base.AddImage(style.BackgroundImage.Value, null);
WriteStyleItem("background-image", "url(" + file.ReferenceCode + ")");
}
if (XDependencyObject.HasPropertyValue(style, ContentStyle.PropertyName_BackgroundPosition))
{
// 背景位置
string strItem = null;
switch (style.BackgroundPosition)
{
case ContentAlignment.TopLeft:
strItem = "top left";
break;
case ContentAlignment.TopCenter:
strItem = "top center";
break;
case ContentAlignment.TopRight:
strItem = "top right";
break;
case ContentAlignment.MiddleLeft:
strItem = "center left";
break;
case ContentAlignment.MiddleCenter:
strItem = "center center";
break;
case ContentAlignment.MiddleRight:
strItem = "center right";
break;
case ContentAlignment.BottomLeft:
strItem = "bottom left";
break;
case ContentAlignment.BottomCenter:
strItem = "bottom center";
break;
case ContentAlignment.BottomRight:
strItem = "bottom right";
break;
}
WriteStyleItem("background-position", strItem);
}
if (style.BackgroundPositionX != 0)
{
WriteStyleItem("background-position-x", GraphicsUnitConvert.ToCSSLength(
ToPixel(style.BackgroundPositionX),
documentUnit,
CssLengthUnit.Pixels));
}
if (style.BackgroundPositionY != 0)
{
WriteStyleItem("background-position-y", GraphicsUnitConvert.ToCSSLength(
ToPixel(style.BackgroundPositionY),
documentUnit,
CssLengthUnit.Pixels));
}
if (style.BackgroundRepeat)
{
WriteStyleItem("background-repeat", "repeat");
}
if (XDependencyObject.HasPropertyValue(style, ContentStyle.PropertyName_Color))
{
WriteStyleItem("color", ColorToString(style.Color));
}
// 首行缩进
if (Math.Abs(style.FirstLineIndent) > 0.05)
{
WriteStyleItem("text-indent", GraphicsUnitConvert.ToCSSLength(
style.FirstLineIndent,
documentUnit,
CssLengthUnit.Pixels));
}
//case ContentStyle.PropertyName_LineSpacing:
// {
// // 行间距
// float ls = style.LineSpacing;
// if (Math.Abs(ls) > 0.05)
// {
// }
// }
// break;
// 后置强制分页
if (style.PageBreakAfter)
{
WriteStyleItem("page-break-after", "always");
}
// 前置强制分页
if (style.PageBreakBefore)
{
WriteStyleItem("page-break-before", "always");
}
// 从右到左排版
if (style.RightToLeft)
{
WriteStyleItem("direction", "rtl");
}
// 字符间距
if (Math.Abs(style.Spacing) > 0.05)
{
WriteStyleItem("letter-spacing", GraphicsUnitConvert.ToCSSLength(
style.Spacing,
documentUnit,
CssLengthUnit.Pixels));
}
// 垂直显示文本
if (style.VertialText)
{
}
// 可见性
if (style.Visible == false)
{
WriteStyleItem("visibility", "hidden");
}
if (XDependencyObject.HasPropertyValue(style, ContentStyle.PropertyName_Zoom))
{
// 缩放比率
WriteStyleItem("zoom", style.Zoom.ToString());
}
}