private void buttonReadFromResults_Click(object sender, EventArgs e)
{
if (results != null)
{
SetStatus("processing");
textBoxBarcodes.Text = "";
int position = 0;
foreach (Rectangle rectangle in results)
{
Bitmap labelImage = new Bitmap(rectangle.Width, rectangle.Height);
Graphics labelGraphics = Graphics.FromImage(labelImage);
labelGraphics.DrawImage(sourceImage, new Rectangle(0, 0, rectangle.Width, rectangle.Height), rectangle, GraphicsUnit.Pixel);
labelGraphics.Dispose();
Bitmap testFilters = new Bitmap(labelImage);
Bitmap testFiltersProcess = new Bitmap(labelImage);
unsafe
{
BitmapData labelData = testFilters.LockBits(new Rectangle(0, 0, testFilters.Width, testFilters.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
BitmapData labelDataProcess = testFiltersProcess.LockBits(new Rectangle(0, 0, testFiltersProcess.Width, testFiltersProcess.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
uint* pointerSource = (uint*)labelData.Scan0;
uint* pointerProcess = (uint*)labelDataProcess.Scan0;
GreyscaleFilter grey = new GreyscaleFilter();
grey.Process(pointerSource, pointerProcess, labelImage.Size);
testFiltersProcess.Save(@"C:\Temp\labels\label_" + position + ".png");
testFiltersProcess.UnlockBits(labelDataProcess);
testFilters.UnlockBits(labelData);
}
unsafe
{
BitmapData data = labelImage.LockBits(new Rectangle(0, 0, labelImage.Width, labelImage.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
uint* pointer = (uint*)data.Scan0;
BarcodeReader reader = new BarcodeReader();
textBoxBarcodes.Text += reader.ReadCode39(pointer, labelImage.Size);
textBoxBarcodes.Text += "\r\n";
labelImage.UnlockBits(data);
}
position++;
}
SetStatus("idle");
}
}
private unsafe void button1_Click(object sender, EventArgs e)
{
BitmapData data = originalImage.LockBits(new Rectangle(0, 0, originalImage.Width, originalImage.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
uint* pointer = (uint*)data.Scan0;
textBoxBarcodes.Text = "";
BarcodeReader reader = new BarcodeReader();
textBoxBarcodes.Text += reader.ReadCode39(pointer, originalImage.Size);
textBoxBarcodes.Text += "\n";
originalImage.UnlockBits(data);
}
