protected void DrawImageHighlight(DrawingContext drawingContext,
PDFImageExtract extract,
Pen pen,
Brush brush)
{
var deviceRec = PageToDeviceDoubleRect(extract.BoundingBox, extract.PageIndex);
drawingContext.DrawRectangle(brush,
pen,
deviceRec);
}
protected bool CreateSMExtract(double priority)
{
bool ret = false;
bool txtExtract = false;
var imgExtracts = new List <PDFImageExtract>();
var contents = new List <ContentBase>();
var selImages = SelectedImages;
var selImageAreas = SelectedAreas.Where(a => a.Type == PDFAreaSelection.AreaType.Normal);
var selTextAreas = SelectedAreas.Where(a => a.Type == PDFAreaSelection.AreaType.Ocr).ToList();
var pageIndices = new HashSet <int>();
if (priority < 0 || priority > 100)
{
priority = PDFConst.DefaultSMExtractPriority;
}
string extractTitle = null;
// Image extract
foreach (var selImage in selImages)
{
var imgExtract = new PDFImageExtract
{
BoundingBox = selImage.BoundingBox,
ObjectIndex = selImage.ObjectIndex,
PageIndex = selImage.PageIndex,
};
var imgObj = (PdfImageObject)Document.Pages[selImage.PageIndex].PageObjects[selImage.ObjectIndex];
var imgRegistryTitle = TitleOrFileName + $": {selImage}";
var content = CreateImageContent(imgObj.Bitmap.Image, imgRegistryTitle);
if (content != null)
{
imgExtracts.Add(imgExtract);
contents.Add(content);
pageIndices.Add(selImage.PageIndex);
}
}
// Area extract
foreach (var selArea in selImageAreas)
{
var imgExtract = new PDFImageExtract
{
BoundingBox = selArea.Normalized(),
ObjectIndex = -1,
PageIndex = selArea.PageIndex,
};
var(lt, rb) = selArea.NormalizedPoints();
var img = RenderArea(imgExtract.PageIndex, lt, rb);
var imgRegistryTitle = TitleOrFileName + $": {selArea}";
var content = CreateImageContent(img, imgRegistryTitle);
if (content != null)
{
imgExtracts.Add(imgExtract);
contents.Add(content);
pageIndices.Add(selArea.PageIndex);
}
}
// Text extract
var hasTextSelection = string.IsNullOrWhiteSpace(SelectedText) == false;
var hasTextOcr = selTextAreas.Any();
if (hasTextSelection)
{
txtExtract = true;
foreach (var selInfo in SelectInfos)
{
for (int p = selInfo.StartPage; p <= selInfo.EndPage; p++)
{
pageIndices.Add(p);
}
}
}
if (hasTextOcr)
{
foreach (var selArea in selTextAreas)
{
pageIndices.Add(selArea.PageIndex);
}
}
if (hasTextSelection || hasTextOcr)
{
string text = GetSelectedTextAsHtml();
contents.Add(new TextContent(true, text));
}
else if (imgExtracts.Count > 0)
{
var parentEl = Svc.SM.Registry.Element[PDFElement.ElementId];
var titleString = $"{parentEl.Title} -- Image extract:";
var imageString = $"{imgExtracts.Count} image{(imgExtracts.Count == 1 ? "" : "s")}";
var pageString = "p" + string.Join(", p", pageIndices.Select(p => p + 1));
extractTitle = $"{titleString} {imageString} from {pageString}";
if (Config.ImageExtractAddHtml)
{
contents.Add(new TextContent(true, string.Empty));
}
}
// Generate extract
if (contents.Count > 0)
{
Save(false);
var bookmarks = pageIndices.Select(FindBookmark)
.Where(b => b != null)
.Distinct()
.Select(b => $"({b.ToHierarchyString()})");
var bookmarksStr = StringEx.Join(" ; ", bookmarks);
var parentEl = Svc.SM.Registry.Element[PDFElement.ElementId];
var templateId = imgExtracts.Count > 0 ? Config.ImageTemplate : Config.TextTemplate;
var template = Svc.SM.Registry.Template[templateId];
ret = Svc.SM.Registry.Element.Add(
out _,
ElemCreationFlags.CreateSubfolders,
new ElementBuilder(ElementType.Topic,
contents.ToArray())
.WithParent(parentEl)
.WithConcept(parentEl.Concept)
.WithLayout(Config.Layout)
.WithTemplate(template)
.WithPriority(priority)
.WithReference(r => PDFElement.ConfigureSMReferences(r, bookmarks: bookmarksStr))
.WithTitle(extractTitle)
.DoNotDisplay()
);
Window.GetWindow(this)?.Activate();
if (ret)
{
SelectInfo lastSelInfo = default;
foreach (var imgExtract in imgExtracts)
{
PDFElement.SMImgExtracts.Add(imgExtract);
AddImgExtractHighlight(imgExtract.PageIndex, imgExtract.BoundingBox);
}
if (txtExtract)
{
foreach (var selInfo in SelectInfos)
{
PDFElement.SMExtracts.Add(selInfo);
AddSMExtractHighlight(selInfo);
}
lastSelInfo = SelectInfo;
}
Save(false);
DeselectAll();
if (txtExtract)
{
_selectInfo.StartPage = _selectInfo.EndPage = lastSelInfo.StartPage;
_selectInfo.StartIndex = _selectInfo.EndIndex = lastSelInfo.StartIndex;
}
}
}
return(ret);
}
protected bool CreateSMExtract()
{
bool ret = false;
bool txtExtract = false;
var imgExtracts = new List <PDFImageExtract>();
var contents = new List <ContentBase>();
var selImages = SelectedImages;
var selImageAreas = SelectedAreas.Where(a => a.Type == PDFAreaSelection.AreaType.Normal);
var selTextAreas = SelectedAreas.Where(a => a.Type == PDFAreaSelection.AreaType.Ocr).ToList();
var pageIndices = new HashSet <int>();
// Image extract
foreach (var selImage in selImages)
{
var imgExtract = new PDFImageExtract
{
BoundingBox = selImage.BoundingBox,
ObjectIndex = selImage.ObjectIndex,
PageIndex = selImage.PageIndex,
};
var imgObj = (PdfImageObject)Document.Pages[selImage.PageIndex].PageObjects[selImage.ObjectIndex];
var imgRegistryTitle = TitleOrFileName + $": {selImage}";
var content = CreateImageContent(imgObj.Bitmap.Image,
imgRegistryTitle);
if (content != null)
{
imgExtracts.Add(imgExtract);
contents.Add(content);
pageIndices.Add(selImage.PageIndex);
}
}
// Area extract
foreach (var selArea in selImageAreas)
{
var imgExtract = new PDFImageExtract
{
BoundingBox = selArea.Normalized(),
ObjectIndex = -1,
PageIndex = selArea.PageIndex,
};
var(lt, rb) = selArea.NormalizedPoints();
var img = RenderArea(imgExtract.PageIndex, lt, rb);
var imgRegistryTitle = TitleOrFileName + $": {selArea}";
var content = CreateImageContent(img,
imgRegistryTitle);
if (content != null)
{
imgExtracts.Add(imgExtract);
contents.Add(content);
pageIndices.Add(selArea.PageIndex);
}
}
// Text extract
if (string.IsNullOrWhiteSpace(SelectedText) == false)
{
string text = GetSelectedTextHtml();
contents.Add(new TextContent(true,
text));
txtExtract = true;
foreach (var selInfo in SelectInfos)
{
for (int p = selInfo.StartPage; p <= selInfo.EndPage; p++)
{
pageIndices.Add(p);
}
}
}
if (selTextAreas.Any())
{
var text = string.Join("\r\n<br/>[...] ",
selTextAreas.Select(a => a.OcrText));
contents.Add(new TextContent(true,
text));
foreach (var selArea in selTextAreas)
{
pageIndices.Add(selArea.PageIndex);
}
}
// Generate extract
if (contents.Count > 0)
{
Save(false);
var bookmarks = pageIndices.Select(FindBookmark)
.Where(b => b != null)
.Distinct()
.Select(b => $"({b.ToHierarchyString()})");
var bookmarksStr = StringEx.Join(" ; ", bookmarks);
ret = Svc.SMA.Registry.Element.Add(
out _,
ElemCreationFlags.CreateSubfolders,
new ElementBuilder(ElementType.Topic,
contents.ToArray())
.WithParent(Svc.SMA.Registry.Element[PDFElement.ElementId])
.WithLayout(Config.Layout)
.WithPriority(Config.SMExtractPriority)
.WithReference(r => PDFElement.ConfigureSMReferences(r, bookmarks: bookmarksStr))
.WithForcedGeneratedTitle()
.DoNotDisplay()
);
Window.GetWindow(this)?.Activate();
if (ret)
{
foreach (var imgExtract in imgExtracts)
{
PDFElement.SMImgExtracts.Add(imgExtract);
AddImgExtractHighlight(imgExtract.PageIndex,
imgExtract.BoundingBox);
}
if (txtExtract)
{
foreach (var selInfo in SelectInfos)
{
PDFElement.SMExtracts.Add(selInfo);
AddSMExtractHighlight(selInfo);
}
}
Save(false);
DeselectAll();
}
}
return(ret);
}
