private void Resize(int destWidth, int destHeight, RasterImage image)
{
RasterImageResize resize = new RasterImageResize();
// Add Event Handler
resize.Resize += new EventHandler <RasterImageResizeEventArgs>(Resize);
byte[] buffer = new byte[image.BytesPerLine];
resize.Start(
image,
destWidth,
destHeight,
image.BitsPerPixel,
image.Order,
image.DitheringMethod,
RasterSizeFlags.None,
image.GetPalette());
image.Access();
// get the rows for the resized image, one by one
for (int row = 0; row < image.Height; row++)
{
resize.ResizeBuffer(row, 0, buffer, 0, image.BytesPerLine);
image.SetRow(row, buffer, 0, image.BytesPerLine);
}
image.Release();
resize.Stop();
}
public void ReceiveProc(long pData, int lWidth, int lHeight, int lBitCount, int lSize, int bTopDown)
{
if (!_owner.IsDisposed && !_owner.Disposing)
{
try
{
if (_width != lWidth || _height != lHeight || _bitCount != lBitCount || _topDown != bTopDown)
{
if (_image != null)
{
_image.Dispose();
}
_image = new RasterImage(RasterMemoryFlags.Conventional,
lWidth,
lHeight,
lBitCount,
RasterByteOrder.Bgr,
bTopDown == 1 ? RasterViewPerspective.TopLeft : RasterViewPerspective.BottomLeft,
null,
null,
lSize);
_width = lWidth;
_height = lHeight;
_bitCount = lBitCount;
_topDown = bTopDown;
}
_image.Access();
_image.SetRow(0, new IntPtr(pData), lSize);
_image.Release();
Form1 form = _owner as Form1;
if (form != null)
{
GuideRect = CreditCardScanner.GetGuideFrame(_owner.ClientRectangle.Width, _owner.ClientRectangle.Height, form.CaptureCtrl.Width, form.CaptureCtrl.Height);
_owner.Invalidate();
}
if (!_isRecognized && _threading == false)
{
byte[] data = new byte[lSize];
System.Runtime.InteropServices.Marshal.Copy(new IntPtr(pData), data, 0, lSize);
Task processFrame = Task.Factory.StartNew(() => ProcessFrame(data, lWidth, lHeight, bTopDown, lBitCount));
}
if (_isRecognized == true)
{
MessageBox.Show(_recognizedCardNumber);
_recognizedCardNumber = "";
_isRecognized = false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
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();
}
public void CompressImage(string SourceFileName, string DestFileName)
{
RasterCodecs codecs = new RasterCodecs();
RasterImage sourceImage = codecs.Load(SourceFileName);
RasterImage destinationImage = new RasterImage(
RasterMemoryFlags.Conventional,
sourceImage.Width,
sourceImage.Height,
sourceImage.BitsPerPixel,
sourceImage.Order,
sourceImage.ViewPerspective,
sourceImage.GetPalette(),
IntPtr.Zero,
0);
sourceImage.Access();
destinationImage.Access();
byte[] buffer = new byte[sourceImage.BytesPerLine];
for (int y = 0; y < sourceImage.Height; y++)
{
sourceImage.GetRow(y, buffer, 0, buffer.Length);
destinationImage.SetRow(y, buffer, 0, buffer.Length);
}
destinationImage.Release();
sourceImage.Release();
// We do not need the source image anymore
sourceImage.Dispose();
// save the destination image
codecs.Save(destinationImage, DestFileName, RasterImageFormat.Tif, 24);
// perform image processing on the image
//FlipCommand flipCmd = new FlipCommand();
//flipCmd.Horizontal = false;
//flipCmd.Run(destinationImage);
//// save it
//codecs.Save(destinationImage, destFileName2, RasterImageFormat.Bmp, 24);
// Clean up
destinationImage.Dispose();
codecs.Dispose();
codecs.Dispose();
}
private static void SetImageBytes(RasterImage image, byte[] imageBytes)
{
image.Access();
try
{
int bytesPerLine = image.Width * (image.BitsPerPixel == 24 ? 3 : 4);
for (var line = 0; line < image.Height; line++)
{
image.SetRow(line, imageBytes, line * bytesPerLine, bytesPerLine);
}
}
finally
{
image.Release();
}
}
private static byte[] AllocateImageBytes(RasterImage image)
{
int height = image.Height;
int bytesPerLine = image.Width * (image.BitsPerPixel == 24 ? 3 : 4);
var imageBuffer = new byte[bytesPerLine * height];
image.Access();
try
{
for (var y = 0; y < height; y++)
{
image.GetRow(y, imageBuffer, y * bytesPerLine, bytesPerLine);
}
}
finally
{
image.Release();
}
return(imageBuffer);
}