public static void Shutdown()
public:
static void Shutdown();
def Shutdown(self):
This static method must be called when the ColorConversion toolkit is no longer to be used, usually before your application shuts down.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ColorConversion;
public void StartupExample()
{
// Initialize the RasterCodecs class
RasterCodecs codecs = new RasterCodecs();
// StartUp the ColorConversion.
RasterColorConverterEngine.Startup();
// The input file name
string inputFileName = Path.Combine(LEAD_VARS.ImagesDir, "image1.cmp");
// load the input image as Bgr.
RasterImage bgrImage = codecs.Load(inputFileName, 24, CodecsLoadByteOrder.Bgr, 1, 1);
// Image buffer array
byte[] bgrBuffer = new byte[bgrImage.BytesPerLine * bgrImage.Height];
bgrImage.Access();
// get image buffer
for (int i = 0; i < bgrImage.Height; i++)
bgrImage.GetRow(i, bgrBuffer, i * bgrImage.BytesPerLine, bgrImage.BytesPerLine);
bgrImage.Release();
// Initialize a new Converter object
RasterColorConverterEngine converter = new RasterColorConverterEngine();
byte[] cmykBuffer = new byte[bgrImage.Height * bgrImage.Width * 4];
try
{
// Start the color conversion
converter.Start(ConversionColorFormat.Bgr, ConversionColorFormat.Cmyk, null);
// convert the image buffer
converter.Convert(bgrBuffer, // input buffer
0, // offset from the beginning of the source buffer
cmykBuffer, // output buffer
0, // offset from the beginning of the destination buffer
bgrImage.Width, // pixels width
bgrImage.Height, // pixels height
bgrImage.BytesPerLine - (bgrImage.Width * (bgrImage.BitsPerPixel / 8)),
0); // 0 bytes align
// stop the conversion
converter.Stop();
// Initialize an image to hold the converted buffer.
RasterImage cmykImage = new RasterImage(RasterMemoryFlags.Conventional, bgrImage.Width, bgrImage.Height, 24, RasterByteOrder.Bgr, RasterViewPerspective.TopLeft, null, IntPtr.Zero, 0);
// Start the color conversion
converter.Start(ConversionColorFormat.Cmyk, ConversionColorFormat.Bgr, null);
// convert the image buffer
converter.ConvertToImage(cmykBuffer, // converted buffer
0, // offset from the beginning of the source buffer
cmykImage, // image to be save
bgrImage.Width, // pixels width
bgrImage.Height, // pixels height
0, // 0 bytes align
bgrImage.BytesPerLine - (bgrImage.Width * (bgrImage.BitsPerPixel / 8)));
// stop the conversion
converter.Stop();
// the output File Name.
string outputFileName = Path.Combine(LEAD_VARS.ImagesDir, "ResultImage.bmp");
// Save the result image.
codecs.Save(cmykImage, outputFileName, RasterImageFormat.Bmp, 24);
// dispose of the used images
bgrImage.Dispose();
cmykImage.Dispose();
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
}
// Shutdown the ColorConversion.
RasterColorConverterEngine.Shutdown();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
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