public ArtCamBitmap GetImageAnalyzer(TimeMeter meter, bool shrink)
{
meter.Start("Image resizing");
int ratioX = (bitmap.Rect.Width > 400) ? (bitmap.Rect.Width + 200) / 400 : 1;
int ratioY = (bitmap.Rect.Height > 400) ? (bitmap.Rect.Height + 200) / 400 : 1;
int width = bitmap.Rect.Width / ratioX;
int height = bitmap.Rect.Height / ratioY;
ArtCamBitmap convertBmp;
if (((ratioX > 1) || (ratioY > 1)) && shrink)
{
convertBmp = new ArtCamBitmap(new Rectangle(0, 0, width, height), bitmap.Bitmap.PixelFormat, null);
int bytesPerPixel = 1;
switch (bitmap.Bitmap.PixelFormat)
{
case PixelFormat.Format24bppRgb:
bytesPerPixel = 3;
break;
case PixelFormat.Format32bppArgb:
bytesPerPixel = 4;
break;
}
int[] sum = new int[bytesPerPixel];
for (int i = 0; i < width; i++)
for (int j = 0; j < height; j++)
{
for (int b = 0; b < bytesPerPixel; b++)
sum[b] = 0;
int idx = 0;
int cnt = 0;
for (int x = i * ratioX; x < Math.Min(bitmap.Rect.Width, (i + 1) * ratioX); x++)
for (int y = j * ratioY; y < Math.Min(bitmap.Rect.Height, (j + 1) * ratioY); y++)
{
idx = y * bitmap.Rect.Width * bytesPerPixel + x * bytesPerPixel;
for (int b = 0; b < bytesPerPixel; b++)
sum[b] += bitmap.Pixels[idx + b];
cnt++;
}
idx = j * width * bytesPerPixel + i * bytesPerPixel;
for (int b = 0; b < bytesPerPixel; b++)
convertBmp.Pixels[idx + b] = (byte)(sum[b] / cnt);
}
}
else
convertBmp = bitmap;
return convertBmp;
}
public ArtCamBitmap GetBwBitmap()
{
bool[,] bwPixels = PrepareBwPixels();
ArtCamBitmap bwBmp = new ArtCamBitmap(new Rectangle(0, 0, width, height), PixelFormat.Format1bppIndexed, null);
for (int x = 0; x < width; x++)
for (int y = 0; y < height; y++)
{
int bmpIdx = (x / 8) + bwBmp.Stride * y;
byte pixel = 0;
if (bwPixels[x, y])
pixel = (byte)Math.Pow(2, 7 - (x % 8));
bwBmp.Pixels[bmpIdx] |= pixel;
}
return bwBmp;
}
private void button2_Click(object sender, EventArgs e)
{
if (preview == null)
{
preview = new ArtCamBitmap(new Rectangle(0, 0, 3488, 2616), PixelFormat.Format8bppIndexed, helper);
ucPictureBox1.Bitmap = preview;
}
try
{
previewMeter.Clear();
preview.Snapshot(previewMeter);
preview.UpdateBitmap(previewMeter);
previewMeter.Finish();
}
catch (ApplicationException ex)
{
MessageBox.Show("Exception: " + ex.Message);
}
}
private void button3_Click(object sender, EventArgs e)
{
if ((snapshot == null) || (snapshot.Rect != ucPictureBox1.SnapshotRect))
{
snapshot = new ArtCamBitmap(ucPictureBox1.SnapshotRect, PixelFormat.Format8bppIndexed, helper);
snapshot.BitmapUpdated += new EventHandler(BitmapUpdated);
pictureBox1.Image = snapshot.Bitmap;
}
bool isInk = false;
try
{
snapshotMeter.Clear();
snapshot.Snapshot(snapshotMeter);
ImageConvertor converter = new ImageConvertor(snapshot);
ArtCamBitmap convertBmp = converter.GetImageAnalyzer(snapshotMeter, true);
ImageAnalyzer analyzer = new ImageAnalyzer(convertBmp.Pixels, convertBmp.Bitmap.PixelFormat, convertBmp.Rect.Width, convertBmp.Rect.Height);
label7.Text = "(" + convertBmp.Rect.Width + "," + convertBmp.Rect.Height + ")";
//ImageAnalyzer analyzer = new ImageAnalyzer(snapshot.Pixels, snapshot.Bitmap.PixelFormat, snapshot.Rect.Width, snapshot.Rect.Height);
isInk = analyzer.IsInk(snapshotMeter);
ArtCamBitmap bwBmp = analyzer.GetBwBitmap();
bwBmp.UpdateBitmap(null);
pictureBox2.Image = bwBmp.Bitmap;
pictureBox2.Invalidate();
snapshot.UpdateBitmap(snapshotMeter);
snapshotMeter.Finish();
}
catch (ApplicationException ex)
{
MessageBox.Show("Exception: " + ex.Message);
}
finally
{
TimeAnalysis();
DisplayInk(isInk);
}
}
public ImageConvertor(ArtCamBitmap bitmap)
{
this.bitmap = bitmap;
}