/// <summary>
/// Creates a FonetImage from the supplied resource locator. The
/// FonetImageFactory does cache images, therefore this method may
/// return a reference to an existing FonetImage
/// </summary>
/// <param name="href">A Uniform Resource Identifier</param>
/// <returns>A reference to a FonetImage</returns>
/// <exception cref="FonetImageException"></exception>
public static FonetImage Make(string href)
{
// If an image handler has been registered on the driver, then
// give it a chance to handle the loading of image data.
if (FonetDriver.ActiveDriver.ImageHandler != null)
{
byte[] data = FonetDriver.ActiveDriver.ImageHandler(href);
if (data != null)
{
return new FonetImage(href, data);
}
}
Uri absoluteURL = null;
UriSpecificationParser up = new UriSpecificationParser(href);
string path = up.Uri;
try
{
absoluteURL = new Uri(path);
}
catch
{
// If the href contains only a path then file is assumed
if (File.Exists(path))
{
absoluteURL = new Uri("file://" + Path.Combine(Directory.GetCurrentDirectory(), path));
}
else
{
// Examine base directory which is specified by the user via the
// FonetDriver.BaseDirectory property
string baseDir = FonetDriver.ActiveDriver.BaseDirectory.FullName;
string baseDirPath = Path.Combine(baseDir, path);
if (File.Exists(baseDirPath))
{
absoluteURL = new Uri("file://" + Path.Combine(Directory.GetCurrentDirectory(), baseDirPath));
}
else
{
throw new FonetImageException("Unable to retrieve graphic from " + path);
}
}
}
return new FonetImage(
absoluteURL.AbsoluteUri,
ExtractImageData(absoluteURL));
}
/// <summary>
/// Creates a FonetImage from the supplied resource locator. The
/// FonetImageFactory does cache images, therefore this method may
/// return a reference to an existing FonetImage
/// </summary>
/// <param name="href">A Uniform Resource Identifier</param>
/// <returns>A reference to a FonetImage</returns>
/// <exception cref="FonetImageException"></exception>
public static FonetImage Make(string href)
{
// If an image handler has been registered on the driver, then
// give it a chance to handle the loading of image data.
if (FonetDriver.ActiveDriver.ImageHandler != null)
{
byte[] data = FonetDriver.ActiveDriver.ImageHandler(href);
if (data != null)
{
return(new FonetImage(href, data));
}
}
Uri absoluteURL = null;
UriSpecificationParser up = new UriSpecificationParser(href);
string path = up.Uri;
try
{
absoluteURL = new Uri(path);
}
catch
{
// If the href contains only a path then file is assumed
if (File.Exists(path))
{
absoluteURL = new Uri("file://" + Path.Combine(Directory.GetCurrentDirectory(), path));
}
else
{
// Examine base directory which is specified by the user via the
// FonetDriver.BaseDirectory property
string baseDir = FonetDriver.ActiveDriver.BaseDirectory.FullName;
string baseDirPath = Path.Combine(baseDir, path);
if (File.Exists(baseDirPath))
{
absoluteURL = new Uri("file://" + Path.Combine(Directory.GetCurrentDirectory(), baseDirPath));
}
else
{
throw new FonetImageException("Unable to retrieve graphic from " + path);
}
}
}
return(new FonetImage(
absoluteURL.AbsoluteUri,
ExtractImageData(absoluteURL)));
}