internal WebImage Save(HttpContextBase context, Action <string, byte[]> saveAction, string filePath, string imageFormat, bool forceWellKnownExtension)
{
filePath = filePath ?? FileName;
if (String.IsNullOrEmpty(filePath))
{
throw new ArgumentNullException("filePath", CommonResources.Argument_Cannot_Be_Null_Or_Empty);
}
// GetBytes takes care of executing pending transformations.
// todo: this could be made more efficient by avoiding cloning array
// when format is same
byte[] content = GetBytes(imageFormat);
if (forceWellKnownExtension)
{
ImageFormat saveImageFormat;
ImageFormat requestedImageFormat = String.IsNullOrEmpty(imageFormat) ? _initialFormat : GetImageFormat(imageFormat);
var extension = Path.GetExtension(filePath).TrimStart('.');
// TryFromStringToImageFormat accepts mime types and image names. For images supported by System.Drawing.Imaging, the image name maps to the extension.
// Replace the extension with the current format in the following two events:
// * The extension format cannot be converted to a known format
// * The format does not match.
if (!ConversionUtil.TryFromStringToImageFormat(extension, out saveImageFormat) || !saveImageFormat.Equals(requestedImageFormat))
{
extension = requestedImageFormat.ToString().ToLowerInvariant();
filePath = filePath + "." + extension;
}
}
saveAction(VirtualPathUtil.MapPath(context, filePath), content);
// Update the FileName since it may have changed whilst saving.
FileName = filePath;
return(this);
}
/// <summary>
/// Saves the chart to the specified template file.
/// </summary>
/// <param name="path">XML template file path.</param>
internal Chart SaveXml(HttpContextBase httpContext, string path)
{
if (String.IsNullOrEmpty(path))
{
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "path");
}
ExecuteChartAction(c => {
c.SaveXml(VirtualPathUtil.MapPath(httpContext, path));
});
return(this);
}
internal WebImage(HttpContextBase httpContext, Func <string, byte[]> readAction, string filePath)
{
if (String.IsNullOrEmpty(filePath))
{
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "filePath");
}
_fileName = filePath;
_content = readAction(VirtualPathUtil.MapPath(httpContext, filePath));
_initialFormat = ValidateImageContent(_content, "filePath");
_currentFormat = _initialFormat;
}
internal Chart Save(HttpContextBase httpContext, string path, string format)
{
if (String.IsNullOrEmpty(path))
{
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "path");
}
var imageFormat = ConvertStringToChartImageFormat(format);
_path = VirtualPathUtil.MapPath(httpContext, path);
ExecuteChartAction(c => {
c.RenderType = DV.RenderType.ImageTag;
c.SaveImage(FileName, imageFormat);
});
return(this);
}