TextureAlphaBlendCommand Class (original) (raw)
Summary
Combines image data from two images with feathering and constant opacity; by combining the two images with a variable opacity that depends on a fade mask then combine the result with the destination image with a constant opacity.
Syntax
class TextureAlphaBlendCommand(RasterCommand): Example
Run the TextureAlphaBlendCommand on an image.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Effects;
public void TextureAlphaBlendCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));
// Prepare the command
RasterImage SrcImage;
RasterImage MaskImage;
RasterImage underlayImage;
SrcImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Image3.cmp"), 4, CodecsLoadByteOrder.Bgr, 1, 1);
//Load the fade mask image.
MaskImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\FadeMask.bmp"), 4, CodecsLoadByteOrder.Bgr, 1, 1);
underlayImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "cannon.jpg"), 4, CodecsLoadByteOrder.Bgr, 1, 1);
TextureAlphaBlendCommand command = new TextureAlphaBlendCommand();
command.DestinationRectangle = new LeadRect(image.Width / 2 - MaskImage.Width / 2, image.Height / 2 - MaskImage.Height / 2, MaskImage.Width, MaskImage.Height);
command.MaskImage = MaskImage;
command.Opacity = 100;
command.SourceImage = SrcImage;
command.SourcePoint = new LeadPoint(0, 0);
command.UnderlayImage = underlayImage;
// Combine ImageSource with the affected image, with MaskImage and a 100 opacity.
command.Run(image);
codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}