static void Main(string[] args)
{
const int width = 256;
const int height = 256;
const int bytesPerPixel = 3;
var wif = new WICImagingFactory();
// find the PNG encoder information
var pngEncoderInfo = EnumEncoders(wif)
.Where(y => y.GetFriendlyName() == "PNG Encoder")
.First();
// create the PNG encoder
var pngEncoder = wif.CreateEncoder(pngEncoderInfo.GetContainerFormat());
using (var stream = File.Create("result.png"))
{
pngEncoder.Initialize(stream.AsCOMStream(), WICBitmapEncoderCacheOption.WICBitmapEncoderNoCache);
var frame = pngEncoder.CreateNewFrame();
frame.Initialize(null);
// set pixel format
var format = WICPixelFormat.WICPixelFormat24bppBGR;
frame.SetPixelFormat(ref format);
// check if the pixel format was accepted
if (format != WICPixelFormat.WICPixelFormat24bppBGR)
{
throw new ArgumentException("The requested pixel format was not accepted");
}
frame.SetResolution(new Resolution(96, 96));
frame.SetSize(width, height);
var image = new byte[width * height * bytesPerPixel];
// create a RGB gradient image
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
image[(y * width + x) * bytesPerPixel + 0] = (byte)x; // blue
image[(y * width + x) * bytesPerPixel + 1] = (byte)y; // green
image[(y * width + x) * bytesPerPixel + 2] = (byte)(255 - y); // red
}
}
// write it to the frame
IWICBitmapFrameEncodeExtensions.WritePixels(frame, height, width * bytesPerPixel, image);
// commit everything to stream
frame.Commit();
pngEncoder.Commit();
}
}
static void Main(string[] args)
{
const int width = 256;
const int height = 256;
const int bytesPerPixel = 3;
var wic = new WICImagingFactory();
var encoder = wic.CreateEncoder(ContainerFormat.Jpeg);
using (var stream = File.Create("result.jpeg"))
{
encoder.Initialize(stream, WICBitmapEncoderCacheOption.WICBitmapEncoderNoCache);
var frame = encoder.CreateNewFrame(out IPropertyBag2 options);
options.Write("ImageQuality", 0.1f); // set image quality encoder option
frame.Initialize(options);
frame.SetPixelFormat(WICPixelFormat.WICPixelFormat24bppBGR);
frame.SetResolution(new Resolution(96, 96));
frame.SetSize(width, height);
var imageData = new byte[width * height * bytesPerPixel];
// create a RGB gradient image
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
imageData[(y * width + x) * bytesPerPixel + 0] = (byte)x; // blue
imageData[(y * width + x) * bytesPerPixel + 1] = (byte)y; // green
imageData[(y * width + x) * bytesPerPixel + 2] = (byte)(255 - y); // red
}
}
// write it to the frame
IWICBitmapFrameEncodeExtensions.WritePixels(frame, height, width * bytesPerPixel, imageData);
// commit everything to stream
frame.Commit();
encoder.Commit();
}
}
