protected void ProcessImage(XmlElement currentBlock, bool inlined,
Picture picture, String url)
{
XmlElement externalGraphic = foDocumentFacade
.CreateExternalGraphic(url);
WordToFoUtils.SetPictureProperties(picture, externalGraphic);
currentBlock.AppendChild(externalGraphic);
}
/**
* This method shall store image bytes in external file and convert it if
* necessary. Images shall be stored using PNG format (for bitmap) or SVG
* (for vector). Other formats may be not supported by your XSL FO
* processor.
* <p>
* Please note the
* {@link WordToFoUtils#setPictureProperties(Picture, XmlElement)} method.
*
* @param currentBlock
* currently processed FO element, like <tt>fo:block</tt>. Shall
* be used as parent of newly created
* <tt>fo:external-graphic</tt> or
* <tt>fo:instream-foreign-object</tt>
* @param inlined
* if image is inlined
* @param picture
* HWPF object, contained picture data and properties
*/
protected override void ProcessImage(XmlElement currentBlock, bool inlined,
Picture picture)
{
PicturesManager fileManager = GetPicturesManager();
if (fileManager != null)
{
String url = fileManager
.SavePicture(picture.GetContent(),
picture.SuggestPictureType(),
picture.SuggestFullFileName());
if (!string.IsNullOrEmpty(url))
{
ProcessImage(currentBlock, inlined, picture, url);
return;
}
}
// no default implementation -- skip
currentBlock.AppendChild(foDocumentFacade.Document
.CreateComment("Image link to '"
+ picture.SuggestFullFileName() + "' can be here"));
}
public static void SetPictureProperties(Picture picture, XmlElement graphicXmlElement)
{
int horizontalScale = picture.HorizontalScalingFactor;
int verticalScale = picture.VerticalScalingFactor;
if (horizontalScale > 0)
{
graphicXmlElement
.SetAttribute("content-width", ((picture.DxaGoal
* horizontalScale / 1000) / TWIPS_PER_PT)
+ "pt");
}
else
graphicXmlElement.SetAttribute("content-width",
(picture.DxaGoal / TWIPS_PER_PT) + "pt");
if (verticalScale > 0)
graphicXmlElement
.SetAttribute("content-height", ((picture.DyaGoal
* verticalScale / 1000) / TWIPS_PER_PT)
+ "pt");
else
graphicXmlElement.SetAttribute("content-height",
(picture.DyaGoal / TWIPS_PER_PT) + "pt");
if (horizontalScale <= 0 || verticalScale <= 0)
{
graphicXmlElement.SetAttribute("scaling", "uniform");
}
else
{
graphicXmlElement.SetAttribute("scaling", "non-uniform");
}
graphicXmlElement.SetAttribute("vertical-align", "text-bottom");
if (picture.DyaCropTop != 0 || picture.DxaCropRight != 0
|| picture.DyaCropBottom != 0
|| picture.DxaCropLeft != 0)
{
int rectTop = picture.DyaCropTop / TWIPS_PER_PT;
int rectRight = picture.DxaCropRight / TWIPS_PER_PT;
int rectBottom = picture.DyaCropBottom / TWIPS_PER_PT;
int rectLeft = picture.DxaCropLeft / TWIPS_PER_PT;
graphicXmlElement.SetAttribute("clip", "rect(" + rectTop + "pt, "
+ rectRight + "pt, " + rectBottom + "pt, " + rectLeft
+ "pt)");
graphicXmlElement.SetAttribute("overflow", "hidden");
}
}
protected void ProcessImage(XmlElement currentBlock, bool inlined,
Picture picture, String imageSourcePath)
{
int aspectRatioX = picture.HorizontalScalingFactor;
int aspectRatioY = picture.VerticalScalingFactor;
StringBuilder style = new StringBuilder();
float imageWidth;
float imageHeight;
float cropTop;
float cropBottom;
float cropLeft;
float cropRight;
if (aspectRatioX > 0)
{
imageWidth = picture.DxaGoal * aspectRatioX / 1000
/ AbstractWordUtils.TWIPS_PER_INCH;
cropRight = picture.DxaCropRight * aspectRatioX / 1000
/ AbstractWordUtils.TWIPS_PER_INCH;
cropLeft = picture.DxaCropLeft * aspectRatioX / 1000
/ AbstractWordUtils.TWIPS_PER_INCH;
}
else
{
imageWidth = picture.DxaGoal / AbstractWordUtils.TWIPS_PER_INCH;
cropRight = picture.DxaCropRight / AbstractWordUtils.TWIPS_PER_INCH;
cropLeft = picture.DxaCropLeft / AbstractWordUtils.TWIPS_PER_INCH;
}
if (aspectRatioY > 0)
{
imageHeight = picture.DyaGoal * aspectRatioY / 1000
/ AbstractWordUtils.TWIPS_PER_INCH;
cropTop = picture.DyaCropTop * aspectRatioY / 1000
/ AbstractWordUtils.TWIPS_PER_INCH;
cropBottom = picture.DyaCropBottom * aspectRatioY / 1000
/ AbstractWordUtils.TWIPS_PER_INCH;
}
else
{
imageHeight = picture.DyaGoal / AbstractWordUtils.TWIPS_PER_INCH;
cropTop = picture.DyaCropTop / AbstractWordUtils.TWIPS_PER_INCH;
cropBottom = picture.DyaCropBottom / AbstractWordUtils.TWIPS_PER_INCH;
}
XmlElement root;
if (cropTop != 0 || cropRight != 0 || cropBottom != 0 || cropLeft != 0)
{
float visibleWidth = Math.Max(0, imageWidth - cropLeft - cropRight);
float visibleHeight = Math.Max(0, imageHeight - cropTop - cropBottom);
root = htmlDocumentFacade.CreateBlock();
htmlDocumentFacade.AddStyleClass(root, "d", "vertical-align:text-bottom;width:" + visibleWidth + "in;height:" + visibleHeight + "in;");
// complex
XmlElement inner = htmlDocumentFacade.CreateBlock();
htmlDocumentFacade.AddStyleClass(inner, "d", "position:relative;width:" + visibleWidth + "in;height:" + visibleHeight + "in;overflow:hidden;");
root.AppendChild(inner);
XmlElement image = htmlDocumentFacade.CreateImage(imageSourcePath);
htmlDocumentFacade.AddStyleClass(image, "i", "position:absolute;left:-" + cropLeft + ";top:-" + cropTop + ";width:" + imageWidth + "in;height:" + imageHeight + "in;");
inner.AppendChild(image);
style.Append("overflow:hidden;");
}
else
{
root = htmlDocumentFacade.CreateImage(imageSourcePath);
root.SetAttribute("style", "width:" + imageWidth + "in;height:" + imageHeight + "in;vertical-align:text-bottom;");
}
currentBlock.AppendChild(root);
}
protected override void ProcessImage(XmlElement currentBlock, bool inlined,
Picture picture)
{
// ignore
}
