| public static ToValue ( PdfVersions id ) : double | ||
| id | PdfVersions | |
| return | double | |
/* ----------------------------------------------------------------- */
///
/// ConfigureCommonImage
///
/// <summary>
/// 画像に関わるオプションを設定します。
/// </summary>
///
/// <remarks>
/// 全てのファイルタイプ共通の設定です。
/// </remarks>
///
/* ----------------------------------------------------------------- */
private void ConfigureCommonImage(UserSetting setting, Ghostscript.Converter gs)
{
gs.AddOption("ColorConversionStrategy", setting.Grayscale ? "/Gray" : "/RGB");
gs.AddOption("DownsampleColorImages", true);
gs.AddOption("DownsampleGrayImages", true);
gs.AddOption("DownsampleMonoImages", true);
// 解像度
var resolution = Parameter.ToValue(setting.Resolution);
var mono = resolution < 300 ? 300 : 1200;
gs.AddOption("ColorImageResolution", resolution);
gs.AddOption("GrayImageResolution", resolution);
gs.AddOption("MonoImageResolution", mono);
// 画像圧縮
gs.AddOption("AutoFilterColorImages", false);
gs.AddOption("AutoFilterGrayImages", false);
gs.AddOption("AutoFilterMonoImages", false);
gs.AddOption("ColorImageFilter", "/" + setting.ImageFilter.ToString());
gs.AddOption("GrayImageFilter", "/" + setting.ImageFilter.ToString());
gs.AddOption("MonoImageFilter", "/" + setting.ImageFilter.ToString());
// ダウンサンプリング
if (setting.DownSampling != Parameter.DownSamplings.None)
{
gs.AddOption("ColorImageDownsampleType", "/" + setting.DownSampling.ToString());
gs.AddOption("GrayImageDownsampleType", "/" + setting.DownSampling.ToString());
gs.AddOption("MonoImageDownsampleType", "/" + setting.DownSampling.ToString());
}
}
/* ----------------------------------------------------------------- */
///
/// Configure
///
/// <summary>
/// Ghostscript オブジェクトを生成し、必要な設定を行います。
/// </summary>
///
/* ----------------------------------------------------------------- */
private Ghostscript.Converter Configure(UserSetting setting, string src, string dest)
{
var gs = new Ghostscript.Converter(_messages);
if (!string.IsNullOrEmpty(setting.LibPath))
{
gs.AddInclude(IoEx.Path.Combine(setting.LibPath, "lib"));
}
gs.Device = Parameter.GetDevice(setting.FileType, setting.Grayscale);
gs.Resolution = Parameter.ToValue(setting.Resolution);
if (setting.Orientation == Parameter.Orientations.Auto)
{
gs.AutoRotatePages = true;
}
else
{
gs.Orientation = (int)setting.Orientation;
}
ConfigureCommonImage(setting, gs);
if (Parameter.IsImageType(setting.FileType))
{
ConfigureBitmap(setting, gs);
}
else
{
ConfigureDocument(setting, gs);
}
gs.AddSource(src);
gs.Destination = dest;
return(gs);
}
/* ----------------------------------------------------------------- */
///
/// GetString
///
/// <summary>
/// PDFVersions の各値に対応する文字列を取得します。
/// </summary>
///
/* ----------------------------------------------------------------- */
public static string GetString(Parameter.PdfVersions id)
{
if (id == Parameter.PdfVersions.VerPDFA)
{
return(""); //"PDF/A";
}
else if (id == Parameter.PdfVersions.VerPDFX)
{
return(""); //"PDF/X";
}
return(Parameter.ToValue(id).ToString());
}
/* ----------------------------------------------------------------- */
///
/// ConfigurePdf
///
/// <summary>
/// PDF ファイルに変換するために必要なオプションを設定します。
/// </summary>
///
/* ----------------------------------------------------------------- */
private void ConfigurePdf(UserSetting setting, Ghostscript.Converter gs)
{
gs.AddOption("CompatibilityLevel", Parameter.ToValue(setting.PDFVersion));
gs.AddOption("UseFlateCompression", true);
if (setting.PDFVersion == Parameter.PdfVersions.VerPDFA)
{
ConfigurePdfA(setting, gs);
}
if (setting.PDFVersion == Parameter.PdfVersions.VerPDFX)
{
ConfigurePdfX(setting, gs);
}
}
/* ----------------------------------------------------------------- */
///
/// GetString
///
/// <summary>
/// FileTypes の各値に対応する文字列を取得します。
/// </summary>
///
/* ----------------------------------------------------------------- */
public static string GetString(Parameter.FileTypes id)
{
return(Parameter.ToValue(id));
}
/* ----------------------------------------------------------------- */
///
/// GetString
///
/// <summary>
/// Resolutions の各値に対応する文字列を取得します。
/// </summary>
///
/* ----------------------------------------------------------------- */
public static string GetString(Parameter.Resolutions id)
{
return(Parameter.ToValue(id).ToString());
}
