void print_pdf(
fs::path const & pdfpath,
fs::path const & dirpath)
{
const int height = 842;
const int width = 595;
const int margin = 20;
auto image_paths = get_images(dirpath);
PDFWriter pdf;
pdf.StartPDF(pdfpath.string(), ePDFVersion13);
PDFPage* page = nullptr;
PageContentContext* context = nullptr;
auto top = height - margin;
for (size_t i = 0; i < image_paths.size(); ++i)
{
auto dims = pdf.GetImageDimensions(image_paths[i]);
if (i == 0 || top - dims.second < margin)
{
if (page != nullptr)
{
pdf.EndPageContentContext(context);
pdf.WritePageAndRelease(page);
}
page = new PDFPage();
page->SetMediaBox(PDFRectangle(0, 0, width, height));
context = pdf.StartPageContentContext(page);
top = height - margin;
}
context->DrawImage(margin, top - dims.second, image_paths[i]);
top -= dims.second + margin;
}
if (page != nullptr)
{
pdf.EndPageContentContext(context);
pdf.WritePageAndRelease(page);
}
pdf.EndPDF();
}
void FontDescriptorWriter::WriteFontDescriptor( ObjectIDType inFontDescriptorObjectID,
const string& inFontPostscriptName,
FreeTypeFaceWrapper* inFontInfo,
const UIntAndGlyphEncodingInfoVector& inEncodedGlyphs,
ObjectsContext* inObjectsContext,
IFontDescriptorHelper* inDescriptorHelper)
{
DictionaryContext* fontDescriptorDictionary;
inObjectsContext->StartNewIndirectObject(inFontDescriptorObjectID);
fontDescriptorDictionary = inObjectsContext->StartDictionary();
// FontName
fontDescriptorDictionary->WriteKey(scFontName);
fontDescriptorDictionary->WriteNameValue(inFontPostscriptName);
// FontFamily
fontDescriptorDictionary->WriteKey(scFontFamily);
fontDescriptorDictionary->WriteLiteralStringValue((*inFontInfo)->family_name);
// FontStretch
fontDescriptorDictionary->WriteKey(scFontStretch);
fontDescriptorDictionary->WriteNameValue(scFontStretchLabels[inFontInfo->GetFontStretch()]);
// FontWeight
fontDescriptorDictionary->WriteKey(scFontWeight);
fontDescriptorDictionary->WriteIntegerValue(inFontInfo->GetFontWeight());
// FontBBox
fontDescriptorDictionary->WriteKey(scFontBBox);
fontDescriptorDictionary->WriteRectangleValue(
PDFRectangle(
inFontInfo->GetInPDFMeasurements((*inFontInfo)->bbox.xMin),
inFontInfo->GetInPDFMeasurements((*inFontInfo)->bbox.yMin),
inFontInfo->GetInPDFMeasurements((*inFontInfo)->bbox.xMax),
inFontInfo->GetInPDFMeasurements((*inFontInfo)->bbox.yMax)));
// ItalicAngle
fontDescriptorDictionary->WriteKey(scItalicAngle);
fontDescriptorDictionary->WriteDoubleValue(inFontInfo->GetItalicAngle());
// Ascent
fontDescriptorDictionary->WriteKey(scAscent);
fontDescriptorDictionary->WriteIntegerValue(inFontInfo->GetInPDFMeasurements((*inFontInfo)->ascender));
// Descent
fontDescriptorDictionary->WriteKey(scDescent);
fontDescriptorDictionary->WriteIntegerValue(inFontInfo->GetInPDFMeasurements((*inFontInfo)->descender));
// CapHeight
BoolAndFTShort result = inFontInfo->GetCapHeight();
if(result.first)
{
fontDescriptorDictionary->WriteKey(scCapHeight);
fontDescriptorDictionary->WriteIntegerValue(result.second);
}
// XHeight
result = inFontInfo->GetxHeight();
if(result.first)
{
fontDescriptorDictionary->WriteKey(scXHeight);
fontDescriptorDictionary->WriteIntegerValue(result.second);
}
// StemV
fontDescriptorDictionary->WriteKey(scStemV);
fontDescriptorDictionary->WriteIntegerValue(inFontInfo->GetStemV());
// ChartSet writing (variants according to ANSI/CID)
inDescriptorHelper->WriteCharSet(fontDescriptorDictionary,inObjectsContext,inFontInfo,inEncodedGlyphs);
// Flags
fontDescriptorDictionary->WriteKey(scFlags);
fontDescriptorDictionary->WriteIntegerValue(CalculateFlags(inFontInfo,inEncodedGlyphs));
// font embedding [may not happen due to font embedding restrictions. helper is supposed to avoid reference as well]
inDescriptorHelper->WriteFontFileReference(fontDescriptorDictionary,inObjectsContext);
inObjectsContext->EndDictionary(fontDescriptorDictionary);
inObjectsContext->EndIndirectObject();
}
