public DocumentImage(DocumentDeserializationContext context, PropertyDictionary framedObjectDictionary)
{
int imageLinkIndex = framedObjectDictionary.IntegerFor("imageLinkIndex").Value;
if (!context.ImageLinksByKey.ContainsKey(imageLinkIndex))
{
throw new DocumentReadingException(string.Format(
"The image link index \"{0}\" was not found in the image link manager dictionary.",
imageLinkIndex));
}
_imageLink = context.ImageLinksByKey[imageLinkIndex];
}
public string ResolveFormat(string path, PropertyDictionary properties)
{
string extension = Path.GetExtension(path).ToLower();
if (extension == ".png")
{
return path;
}
if (extension == ".jpg")
{
return path;
}
if (extension == ".dot")
{
string newFilePath = _temporaryFileManager.CreateAnonymousFilePath(".ps");
string arguments = string.Format("\"{0}\" -Tps2 \"-o{1}\"",
path, newFilePath);
RunUtility(_dotCommand, arguments);
return newFilePath;
}
if (extension == ".ps")
{
string newFilePath = _temporaryFileManager.CreateAnonymousFilePath(".pdf");
string arguments = string.Format(
"-dFirstPage=1 -dLastPage=1 -sDEVICE=pdfwrite -dBATCH -dNOPAUSE -dUseCropBox " +
"-sOutputFile=\"{1}\" \"{0}\"",
path, newFilePath);
RunUtility(_ghostscriptCommand, arguments);
return newFilePath;
}
if (extension == ".pdf" || extension == ".ai")
{
string newFilePath = _temporaryFileManager.CreateAnonymousFilePath(".png");
int resolution = properties.IntegerFor("resolution", 72);
string arguments = string.Format(
"-dFirstPage=1 -dLastPage=1 -sDEVICE=png16m -dBATCH -dNOPAUSE " +
"-dTextAlphaBits=4 -dGraphicsAlphaBits=4 -dUseCropBox -r{2} " +
"-sOutputFile=\"{1}\" \"{0}\"",
path, newFilePath, resolution);
RunUtility(_ghostscriptCommand, arguments);
return newFilePath;
}
if (extension == ".tex")
{
string newFilePath = _temporaryFileManager.CreateAnonymousFilePath(".pdf", ".log", ".aux");
string arguments = string.Format("-output-directory=\"{0}\" -job-name=\"{1}\" \"{2}\"",
Path.GetDirectoryName(newFilePath), Path.GetFileNameWithoutExtension(newFilePath), path);
RunUtility(_texCommand, arguments);
return newFilePath;
}
return null;
}
public static Color ToColor(PropertyDictionary dictionary)
{
if (!dictionary.HasIntegerFor("red", "green", "blue"))
{
throw new PropertyListException("A color property dictionary is missing one or " +
"both of the required fields (red, green or blue).");
}
return Color.FromArgb(
(byte)dictionary.IntegerFor("alpha", 255),
(byte)dictionary.IntegerFor("red").Value,
(byte)dictionary.IntegerFor("green").Value,
(byte)dictionary.IntegerFor("blue").Value
);
}
public static Size ToSize(PropertyDictionary dictionary)
{
if (!dictionary.HasIntegerFor("width", "height"))
{
throw new PropertyListException("A size property dictionary is missing one or " +
"both of the required fields (width or height).");
}
return new Size(
dictionary.IntegerFor("width").Value,
dictionary.IntegerFor("height").Value
);
}
public static Rectangle ToRectangle(PropertyDictionary dictionary)
{
if (!dictionary.HasIntegerFor("x", "y", "width", "height"))
{
throw new PropertyListException("A rectangle property dictionary is missing some or " +
"all of the required fields (x, y, width or height).");
}
return new Rectangle(
dictionary.IntegerFor("x").Value,
dictionary.IntegerFor("y").Value,
dictionary.IntegerFor("width").Value,
dictionary.IntegerFor("height").Value
);
}
public static Point ToPoint(PropertyDictionary dictionary)
{
if (!dictionary.HasIntegerFor("x", "y"))
{
throw new PropertyListException("A point property dictionary is missing one or " +
"both of the required fields (x or y).");
}
return new Point(
dictionary.IntegerFor("x").Value,
dictionary.IntegerFor("y").Value
);
}
