private Image ColorToBinary(Image img)
{
Bitmap bmp = new Bitmap(img);
Bitmap32 bmp32 = new Bitmap32(bmp);
bmp32.LockBitmap();
//bmp32.ToBlackWhite();
int of = bmp32.Offset();
for (int y = 0; y < img.Height; y++)
{
for (int x = 0; x < img.Width; x++)
{
bmp32.DrawOutLine(x, y, of);
}
}
bmp32.UnlockBitmap();
//float[][] TempMatrix = {
// new float[] {.3f, .3f, .3f, 0, 0},
// new float[] {.59f, .59f, .59f, 0, 0},
// new float[] {.11f, .11f, .11f, 0, 0},
// new float[] {0, 0, 0, 1, 0},
// new float[] {0, 0, 0, 0, 1}
//};
//ColorMatrix cmatrix = new ColorMatrix(TempMatrix);
//Graphics gp = Graphics.FromImage(img);
//ImageAttributes imgAttri = new ImageAttributes();
//imgAttri.SetColorMatrix(cmatrix);
//gp.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, imgAttri);
return(bmp);
}
private Image FrameDraw(Image img)
{
int max = img.Height;
int min = img.Height / 8;
Graphics gp = Graphics.FromImage(img);
Bitmap bmp = new Bitmap(img);
System.Drawing.Imaging.PixelFormat Format = img.PixelFormat;
for (int i = max; i >= min; i = i / 2)
{
for (int x = 0; x < img.Width; x += i)
{
for (int y = 0; y < max; y += i)
{
Rectangle rect = new Rectangle(0, 0, i, i);
Bitmap clone = bmp.Clone(rect, Format);
Bitmap32 bmp32 = new Bitmap32(clone);
bmp32.LockBitmap();
bmp32.Robert(r, g, b);
bmp32.UnlockBitmap();
}
}
}
return(img);
}
public void cutChar(Bitmap img)
{
Graphics gp = Graphics.FromImage(img);
Bitmap32 bmp32 = new Bitmap32(img);
System.Drawing.Imaging.PixelFormat format = new System.Drawing.Imaging.PixelFormat();
Point top, left, bot, right, prect;
bmp32.LockBitmap();
top = bmp32.TopPoint();
left = bmp32.LeftPoint();
bot = bmp32.BotPoint();
right = bmp32.RightPoint();
//bmp32.Vector();
int of = bmp32.Offset();
for (int y = 0; y < img.Height; y++)
{
for (int x = 0; x < img.Width; x++)
{
bmp32.DrawOutLine(x, y, of);
}
}
bmp32.UnlockBitmap();
prect = new Point(left.X, top.Y);
Rectangle rect = new Rectangle(prect, new Size(right.X - left.X, bot.Y - top.Y));
Bitmap clone = img.Clone(rect, format);
gp.DrawRectangle(new Pen(Color.Green), rect);
picFitter.Image = clone;
}
private void btnSelect_Click(object sender, EventArgs e)
{
Bitmap bmp = new Bitmap(28, 28);
Bitmap32 bmp32 = new Bitmap32(bmp);
if (int.Parse(txtNumChar.Text) < CharList.Count)
{
string[] CharLoad = CharList[int.Parse(txtNumChar.Text)].Split(',');
bmp32.LockBitmap();
int c = 0;
List <int> il = new List <int>();
for (int y = 0; y < bmp.Height; y++)
{
for (int x = 0; x < bmp.Width; x++)
{
c = int.Parse(CharLoad[bmp.Width * y + x]);
bmp32.SetPixel(x, y, Color.FromArgb(255, c, c, c));
}
}
bmp32.UnlockBitmap();
cutChar(bmp);
bmp.SetResolution(168, 168);
Bitmap bmpnew = new Bitmap(bmp, new Size(168, 168));
picHandWritten.Image = bmpnew;
}
}
private Image BlueFilter(Image img)
{
Bitmap bmp = new Bitmap(img);
Bitmap32 bmp32 = new Bitmap32(bmp);
bmp32.LockBitmap();
bmp32.GetBlue(o);
bmp32.UnlockBitmap();
return(bmp);
}
private Bitmap ToFloySteinberg(Image img)
{
Bitmap bmp = new Bitmap(img);
Bitmap32 bmp32 = new Bitmap32(bmp);
bmp32.LockBitmap();
bmp32.FloydSteinberg(o);
bmp32.UnlockBitmap();
return(bmp);
}
private Image ColorToGrayscale(Image img)
{
Bitmap bmp = new Bitmap(img);
Bitmap32 bmp32 = new Bitmap32(bmp);
bmp32.LockBitmap();
bmp32.ToGrayScale(o);
bmp32.UnlockBitmap();
return(bmp);
}
private void ToHexArray(Image img)
{
Bitmap bmp = new Bitmap(img, new Size(128, 64));
bmp.SetResolution(128, 64);
Bitmap32 bmp32 = new Bitmap32(bmp);
bmp32.LockBitmap();
output = bmp32.ToHex();
bmp32.UnlockBitmap();
try
{
bmp.Save("/test.bmp");
}
catch { }
}