/* ----------------------------------------------------------------- */
///
/// WebOptimize
///
/// <summary>
/// Web に最適化された PDF ファイルに変換します。
/// </summary>
///
/// <remarks>
/// iTextSharp には Web 最適化オプションが存在しないため、
/// Ghostscript を再度使用して変換を行います。
/// </remarks>
///
/* ----------------------------------------------------------------- */
private bool WebOptimize(UserSetting setting)
{
string tmp = Utility.WorkingDirectory + '\\' + System.IO.Path.GetRandomFileName();
Ghostscript.Converter gs = new CubePdf.Ghostscript.Converter(_messages);
gs.Device = Ghostscript.Devices.PDF_Opt;
bool status = true;
try
{
if (CubePdf.Misc.File.Exists(tmp)) CubePdf.Misc.File.Delete(tmp, true);
CubePdf.Misc.File.Move(setting.OutputPath, tmp, true);
gs.AddInclude(setting.LibPath + @"\lib");
gs.Resolution = Parameter.ResolutionValue(setting.Resolution);
gs.PageRotation = setting.PageRotation;
gs.AddOption("CompatibilityLevel", Parameter.PdfVersionValue(setting.PDFVersion));
gs.AddOption("UseFlateCompression", true);
if (setting.EmbedFont)
{
gs.AddOption("EmbedAllFonts", true);
gs.AddOption("SubsetFonts", true);
}
else gs.AddOption("EmbedAllFonts", false);
if (setting.Grayscale)
{
gs.AddOption("ProcessColorModel", "/DeviceGray");
gs.AddOption("ColorConversionStrategy", "/Gray");
}
gs.AddSource(tmp);
gs.Destination = setting.OutputPath;
gs.Run();
}
catch (Exception err)
{
_messages.Add(new Message(Message.Levels.Warn, "CubePdf.PDFModifier.WebOptimize: False"));
_messages.Add(new Message(Message.Levels.Debug, err));
status = false;
}
finally
{
if (!CubePdf.Misc.File.Exists(setting.OutputPath)) CubePdf.Misc.File.Move(tmp, setting.OutputPath, true);
else
{
var fi = new System.IO.FileInfo(setting.OutputPath);
if (fi.Length == 0) CubePdf.Misc.File.Move(tmp, setting.OutputPath, true);
else CubePdf.Misc.File.Delete(tmp, false);
}
}
return status;
}
/* ----------------------------------------------------------------- */
///
/// WebOptimize
///
/// <summary>
/// Web に最適化された PDF ファイルに変換します。
/// </summary>
///
/// <remarks>
/// iTextSharp には Web 最適化オプションが存在しないため、
/// Ghostscript を再度使用して変換を行います。
/// </remarks>
///
/* ----------------------------------------------------------------- */
private bool WebOptimize(UserSetting setting)
{
string tmp = Utility.WorkingDirectory + '\\' + System.IO.Path.GetRandomFileName();
Ghostscript.Converter gs = new CubePdf.Ghostscript.Converter(_messages);
gs.Device = Ghostscript.Devices.PDF_Opt;
bool status = true;
try
{
if (CubePdf.Misc.File.Exists(tmp))
{
CubePdf.Misc.File.Delete(tmp, true);
}
CubePdf.Misc.File.Move(setting.OutputPath, tmp, true);
gs.AddInclude(setting.LibPath + @"\lib");
gs.Resolution = Parameter.ResolutionValue(setting.Resolution);
gs.PageRotation = setting.PageRotation;
gs.AddOption("CompatibilityLevel", Parameter.PdfVersionValue(setting.PDFVersion));
gs.AddOption("UseFlateCompression", true);
if (setting.EmbedFont)
{
gs.AddOption("EmbedAllFonts", true);
gs.AddOption("SubsetFonts", true);
}
else
{
gs.AddOption("EmbedAllFonts", false);
}
if (setting.Grayscale)
{
gs.AddOption("ProcessColorModel", "/DeviceGray");
gs.AddOption("ColorConversionStrategy", "/Gray");
}
gs.AddSource(tmp);
gs.Destination = setting.OutputPath;
gs.Run();
}
catch (Exception err)
{
_messages.Add(new Message(Message.Levels.Warn, "CubePdf.PDFModifier.WebOptimize: False"));
_messages.Add(new Message(Message.Levels.Debug, err));
status = false;
}
finally
{
if (!CubePdf.Misc.File.Exists(setting.OutputPath))
{
CubePdf.Misc.File.Move(tmp, setting.OutputPath, true);
}
else
{
var fi = new System.IO.FileInfo(setting.OutputPath);
if (fi.Length == 0)
{
CubePdf.Misc.File.Move(tmp, setting.OutputPath, true);
}
else
{
CubePdf.Misc.File.Delete(tmp, false);
}
}
}
return(status);
}
