public override Image Process(Image inputImage, out bool isProcessed)
{
Image image;
Image image1;
Graphics graphic;
if (this.WatermarkImage == null && string.IsNullOrEmpty(this.WatermarkImagePhysicalPath))
{
isProcessed = false;
return(inputImage);
}
image = (this.WatermarkImage ?? Image.FromFile(this.WatermarkImagePhysicalPath));
if (!WatermarkFilterBase.IsPixelFormatIndexed(inputImage.PixelFormat))
{
graphic = Graphics.FromImage(inputImage);
image1 = inputImage;
}
else
{
Bitmap bitmap = new Bitmap(inputImage.Width, inputImage.Height, PixelFormat.Format24bppRgb);
graphic = Graphics.FromImage(bitmap);
graphic.DrawImage(inputImage, 0, 0);
image1 = bitmap;
}
graphic.CompositingQuality = CompositingQuality.HighQuality;
graphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
Rectangle watermarkArea = this.GetWatermarkArea(inputImage, image);
ImageAttributes imageAttribute = this.BuildImageAttributes();
graphic.DrawImage(image, watermarkArea, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, imageAttribute);
isProcessed = true;
return(image1);
}
public override Image Process(Image inputImage, out bool isProcessed)
{
Image image;
Graphics graphic;
Font font;
if (!WatermarkFilterBase.IsPixelFormatIndexed(inputImage.PixelFormat))
{
graphic = Graphics.FromImage(inputImage);
image = inputImage;
}
else
{
Bitmap bitmap = new Bitmap(inputImage.Width, inputImage.Height, PixelFormat.Format24bppRgb);
graphic = Graphics.FromImage(bitmap);
graphic.DrawImage(inputImage, 0, 0);
image = bitmap;
}
graphic.CompositingQuality = CompositingQuality.HighQuality;
graphic.InterpolationMode = InterpolationMode.High;
Rectangle watermarkArea = this.GetWatermarkArea(graphic, inputImage, out font);
StringFormat stringFormat = new StringFormat();
int num = Convert.ToInt32(256f * base.Opacity);
SolidBrush solidBrush = new SolidBrush(Color.FromArgb(num, 0, 0, 0));
graphic.DrawString(this.Text, font, solidBrush, (float)watermarkArea.X + 1f, (float)watermarkArea.Y + 1f, stringFormat);
SolidBrush solidBrush1 = new SolidBrush(Color.FromArgb(153, 255, 255, 255));
graphic.DrawString(this.Text, font, solidBrush1, (float)watermarkArea.X, (float)watermarkArea.Y, stringFormat);
solidBrush.Dispose();
solidBrush1.Dispose();
isProcessed = true;
return(image);
}
