/// <summary>
/// Initialize the application.
/// </summary>
private void InitClass()
{
// Setup our caption
Messager.Caption = "LEADTOOLS for .NET C# Color Conversion Demo";
Text = Messager.Caption;
// Conversion type is nothing for now
_conversionType = String.Empty;
// Initialize the _viewer object
_viewer = new ImageViewer();
_viewer.Dock = DockStyle.Fill;
_viewer.BackColor = Color.DarkGray;
Controls.Add(_viewer);
_viewer.BringToFront();
_viewer.Zoom(ControlSizeMode.Fit, 1, _viewer.DefaultZoomOrigin);
// initialize the raster codecs object
_codecs = new RasterCodecs();
try
{
RasterColorConverterEngine.Startup();
}
catch (Exception ex)
{
Messager.ShowError(this, ex);
}
LoadImage(true);
UpdateMyControls();
}
private void InitClass(RasterImage image, ConversionColorFormat srcFormat)
{
_viewer = new ImageViewer();
_viewer.BackColor = Color.DarkGray;
_viewer.ViewHorizontalAlignment = ControlAlignment.Near;
_viewer.Dock = DockStyle.Fill;
_pnlViewer.Controls.Add(_viewer);
_viewer.BringToFront();
_viewer.Zoom(ControlSizeMode.Fit, 1, _viewer.DefaultZoomOrigin);
_cbFit.Checked = _viewer.SizeMode == ControlSizeMode.Fit;
// Start up the Color conversion toolkit.
RasterColorConverterEngine.Startup();
RasterImage tempImage = image.Clone();
if (tempImage.ViewPerspective != RasterViewPerspective.TopLeft)
{
tempImage.ChangeViewPerspective(RasterViewPerspective.TopLeft);
}
_width = tempImage.Width;
_height = tempImage.Height;
_bytesPerLine = tempImage.BytesPerLine;
_orgBuffer = new byte[_bytesPerLine * _height];
tempImage.Access();
for (int y = 0; y < _height - 1; y++)
{
tempImage.GetRow(y, _orgBuffer, (y * _width * 3), _width * 3);
}
_viewer.Image = tempImage;
tempImage.Release();
_srcFormat = srcFormat;
foreach (ConvertItem i in _convertItems)
{
_cbColorFormat.Items.Add(i);
if (i.Format == ConversionColorFormat.Yuv)
{
_cbColorFormat.SelectedItem = i;
}
}
UpdateMyControls();
}
private void ConvertToColorSpace(ConversionColorFormat colorFormat)
{
if (_btnOK.Enabled)
{
using (WaitCursor wait = new WaitCursor())
{
try
{
int bufferSize;
if (colorFormat == ConversionColorFormat.Cmyk)
{
bufferSize = (_bytesPerLine * _height) + ((_bytesPerLine * _height) / 3);
}
else
{
bufferSize = _bytesPerLine * _height;
}
byte[] newBuffer = new byte[bufferSize];
RasterColorConverterEngine.ConvertDirect(
_srcFormat,
colorFormat,
_orgBuffer,
0,
newBuffer,
0,
_width,
_height,
0,
0);
RasterColorConverterEngine.ConvertDirectToImage(
colorFormat,
_srcFormat,
newBuffer,
0,
_viewer.Image,
_width,
_height,
0,
(_bytesPerLine - _width * 3));
_viewer.Invalidate();
foreach (ConvertItem i in _convertItems)
{
if (i.Format == colorFormat)
{
MainForm.ConversionType = i.Name;
}
}
}
catch (Exception ex)
{
Messager.ShowError(this, ex.Message);
}
}
}
}
/// <summary>
/// Shutting down
/// </summary>
private void CleanUp()
{
RasterColorConverterEngine.Shutdown();
}