Usage Examples:

Blind Watermark support

Blind watermark

string inputFileName = "Tyrannosaurus.dxf";
string embeddedFileName = "Tyrannosaurus_embedded.dxf";

// Watermark data
string watermarkText = "草长莺飞";

// Embed
var inputImage = Image.Load(inputFileName);
bool embedSuccess = inputImage.WatermarkGuardService.EmbedText(watermarkText);
inputImage.Save(embeddedFileName, new DxfOptions());

// Validate
var embeddedImage = Image.Load(embeddedFileName);
bool validateSuccess = embeddedImage.WatermarkGuardService.ValidateText(watermarkText);
10:57
string inputFileName = "Tyrannosaurus.dxf";
string watermarkFileName = "Clock-Icon.png";
string embeddedFileName = "Tyrannosaurus_embedded.dxf";

// Watermark data
var watermarkStream = new MemoryStream(File.ReadAllBytes(watermarkFileName));

// Embed
var inputImage = Image.Load(inputFileName);
bool embedSuccess = inputImage.WatermarkGuardService.EmbedImage(watermarkStream);
inputImage.Save(embeddedFileName, new DxfOptions());

// Validate
var embeddedImage = Image.Load(embeddedFileName);
bool validateSuccess = embeddedImage.WatermarkGuardService.ValidateImage(watermarkStream);