/// <summary>
/// Adds watermark on document if its specified in configuration file.
/// </summary>
/// <param name="options"></param>
private static void SetWatermarkOptions(ViewOptions options)
{
Watermark watermark = null;
if (!string.IsNullOrEmpty(globalConfiguration.GetViewerConfiguration().GetWatermarkText()))
{
// Set watermark properties
watermark = new Watermark(globalConfiguration.GetViewerConfiguration().GetWatermarkText())
{
Color = System.Drawing.Color.Blue,
Position = Position.Diagonal,
};
}
if (watermark != null)
{
options.Watermark = watermark;
}
}
private HtmlViewOptions CreateHtmlViewOptions(int passedPageNumber = -1, int newAngle = 0)
{
HtmlViewOptions htmlViewOptions = HtmlViewOptions.ForExternalResources(
pageNumber =>
{
string fileName = $"p{pageNumber}.html";
string cacheFilePath = this.cache.GetCacheFilePath(fileName);
return(File.Create(cacheFilePath));
},
(pageNumber, resource) =>
{
string fileName = $"p{pageNumber}_{resource.FileName}";
string cacheFilePath = this.cache.GetCacheFilePath(fileName);
return(File.Create(cacheFilePath));
},
(pageNumber, resource) =>
{
var urlPrefix = "/viewer/resources/" + Path.GetFileName(this.filePath).Replace(".", "_");
return($"{urlPrefix}/p{ pageNumber}_{ resource.FileName}");
});
htmlViewOptions.SpreadsheetOptions = SpreadsheetOptions.ForOnePagePerSheet();
htmlViewOptions.SpreadsheetOptions.TextOverflowMode = TextOverflowMode.HideText;
htmlViewOptions.SpreadsheetOptions.RenderGridLines = globalConfiguration.GetViewerConfiguration().GetShowGridLines();
htmlViewOptions.SpreadsheetOptions.RenderHeadings = true;
SetWatermarkOptions(htmlViewOptions);
if (passedPageNumber >= 0 && newAngle != 0)
{
Rotation rotationAngle = GetRotationByAngle(newAngle);
htmlViewOptions.RotatePage(passedPageNumber, rotationAngle);
}
return(htmlViewOptions);
}
/// <summary>
/// Initializes a new instance of the <see cref="ViewerApiController"/> class.
/// </summary>
public ViewerApiController()
{
List <string> fontsDirectory = new List <string>();
if (!string.IsNullOrEmpty(globalConfiguration.GetViewerConfiguration().GetFontsDirectory()))
{
fontsDirectory.Add(globalConfiguration.GetViewerConfiguration().GetFontsDirectory());
}
}