internal static void AppendSlideMaster(PresentationPart presentationPart, SlideMaster slideMaster, IEnumerable <SlideLayout> slideLayouts)
{
// append a new SlideMasterPart
SlideMasterPart slideMasterPart = presentationPart.AddNewPartDefaultId <SlideMasterPart>();
// clear SlideLayoutIdList and rebuild it
slideMaster.SlideLayoutIdList = new SlideLayoutIdList();
foreach (SlideLayout slideLayout in slideLayouts)
{
SlideLayoutPart slideLayoutPart = slideMasterPart.AddNewPartDefaultId <SlideLayoutPart>(out string slideLayoutPartId);
slideLayoutPart.CreateRelationshipToPartDefaultId(slideMasterPart);
slideLayout.Save(slideLayoutPart);
// add to SlideLayoutIdList
slideMaster.SlideLayoutIdList.AppendChild(new SlideLayoutId()
{
Id = slideMaster.SlideLayoutIdList.Elements <SlideLayoutId>().Select(sl => sl.Id.Value).DefaultIfEmpty(2147483648u).Max() + 1,
RelationshipId = slideMasterPart.GetIdOfPart(slideLayoutPart)
});
}
slideMasterPart.CreateRelationshipToPartDefaultId(presentationPart.ThemePart);
slideMaster.Save(slideMasterPart);
AddSlideMasterToSlideMasterIdList(presentationPart, slideMasterPart);
}
private static List <SlidePart> CreateImageSlideParts(PresentationPart presentationPart, List <SvgDocument> svgDocs)
{
int id = 256;
string relId;
SlideId newSlideId;
SlideLayoutId newSlideLayoutId;
uint uniqueId = GetMaxUniqueId(presentationPart);
uint maxSlideId = GetMaxSlideId(presentationPart.Presentation.SlideIdList);
// get first slide master part: template
SlideMasterPart slideMasterPart = presentationPart.SlideMasterParts.First();
List <SlidePart> slideParts = new List <SlidePart>();
for (int i = 0; i < svgDocs.Count; i++)
{
id++;
using (MemoryStream ms = new MemoryStream())
{
using (System.Drawing.Bitmap image = svgDocs[i].Draw())
{
image.Save(ms, ImageFormat.Bmp);
ms.Seek(0, SeekOrigin.Begin);
relId = "rId" + id;
// add new slide part
SlidePart slidePart = presentationPart.AddNewPart <SlidePart>(relId);
// add image part to slide part
ImagePart imagePart = slidePart.AddImagePart(ImagePartType.Bmp, relId);
imagePart.FeedData(ms);
// add image slide
CreateImageSlide(relId).Save(slidePart);
// add slide layout part to slide part
SlideLayoutPart slideLayoutPart = slidePart.AddNewPart <SlideLayoutPart>();
CreateSlideLayoutPart().Save(slideLayoutPart);
slideMasterPart.AddPart(slideLayoutPart);
slideLayoutPart.AddPart(slideMasterPart);
uniqueId++;
newSlideLayoutId = new SlideLayoutId();
newSlideLayoutId.RelationshipId = slideMasterPart.GetIdOfPart(slideLayoutPart);
newSlideLayoutId.Id = uniqueId;
slideMasterPart.SlideMaster.SlideLayoutIdList.Append(newSlideLayoutId);
// add slide part to presentaion slide list
maxSlideId++;
newSlideId = new SlideId();
newSlideId.RelationshipId = relId;
newSlideId.Id = maxSlideId;
presentationPart.Presentation.SlideIdList.Append(newSlideId);
}
}
}
slideMasterPart.SlideMaster.Save();
return(slideParts);
}