public static Bitmap filterColor(Bitmap _b, Color _c, Color _t, Color _mark) // gradation diff
{
Bitmap result = copy(_b);
XBitmap framedImage_xbmp = new XBitmap(result);
for (int i = 0; i < result.Width; i++)
{
for (int j = 0; j < result.Height; j++)
{
Color px = framedImage_xbmp.getPixel(i, j);
bool isWarnaKulit = (px.R > _c.R - _t.R && px.R < _c.R + _t.R) && (px.G > _c.G - _t.G && px.G < _c.G + _t.G) && (px.B > _c.B - _t.B && px.B < _c.B + _t.B);
int maxdr = isWarnaKulit ? _mark.R : 0;
int maxdg = isWarnaKulit ? _mark.G : 0;
int maxdb = isWarnaKulit ? _mark.B : 0;
if (isWarnaKulit)
{
framedImage_xbmp.setPixel(i, j, _mark);
}
else
{
framedImage_xbmp.setPixel(i, j, Color.FromArgb(0, 0, 0));
}
}
}
return(framedImage_xbmp.getBitmap());
}
public static Bitmap RectangleMorph(Bitmap _b, Point _E, Point _F, Point _G, Point _H) // gradation diff
{
Point E = new Point(_b.Width * _E.X, _b.Height * _E.Y);
Point F = new Point(_b.Width * _F.X, _b.Height * _F.Y);
Point G = new Point(_b.Width * _G.X, _b.Height * _G.Y);
Point H = new Point(_b.Width * _H.X, _b.Height * _H.Y);
int res_w = Math.Max(F.X - E.X, G.X - H.X);
int res_h = Math.Max(H.Y - E.Y, G.Y - F.Y);
Bitmap result = new Bitmap(res_w, res_h);
XBitmap result_xbmp = new XBitmap(result);
for (int i = 0; i < result.Width; i++)
{
for (int j = 0; j < result.Height; j++)
{
int new_width = j * ((G.X - H.X) - (F.X - E.X)) / H.Y - E.Y + F.X - E.X;
int new_height = i * ((G.Y - F.Y) - (H.Y - E.Y)) / F.X - E.X + H.Y - E.Y;
int x1 = i * _b.Width / new_width;
int y1 = j * _b.Height / new_height;
Color px = (y1 >= _b.Height || x1 >= _b.Width || y1 < 0 || x1 < 0) ? Color.FromArgb(0, 0, 0) : _b.GetPixel(x1, y1);
result_xbmp.setPixel(i, j, px);
}
}
return(result_xbmp.getBitmap());
}
public static Bitmap zhangsuen(Bitmap _b)
{
Bitmap framedImage = addFrame(_b, latar);
XBitmap framedImage_xbmp = new XBitmap(framedImage);
List<System.Drawing.Point> pointsToChange = new List<System.Drawing.Point>();
int a, b; int p2 = 0; int p4 = 0; int p6 = 0; int p8 = 0;
bool notSkeleton = true;
while (notSkeleton)
{
notSkeleton = false;
for (int i = 1; i < _b.Height + 1; i++)
{
for (int j = 1; j < _b.Width + 1; j++)
{
if (isNotLatar(framedImage_xbmp, j, i))
{
a = getA(framedImage_xbmp, j, i);
b = getB(framedImage_xbmp, j, i, ref p2, ref p4, ref p6, ref p8);
if (2 <= b && b <= 6 && a == 1 && (p2 * p4 * p6 == 0) && (p4 * p6 * p8 == 0))
{
pointsToChange.Add(new System.Drawing.Point(j, i));
notSkeleton = true;
}
}
}
}
foreach (System.Drawing.Point point in pointsToChange)
{
framedImage_xbmp.setPixel(point.X, point.Y, latar);
}
pointsToChange.Clear();
for (int i = 1; i < _b.Height + 1; i++)
{
for (int j = 1; j < _b.Width + 1; j++)
{
if (isNotLatar(framedImage_xbmp, j, i))
{
a = getA(framedImage_xbmp, j, i);
b = getB(framedImage_xbmp, j, i, ref p2, ref p4, ref p6, ref p8);
if (2 <= b && b <= 6 && a == 1 && (p2 * p4 * p8 == 0) && (p2 * p6 * p8 == 0))
{
pointsToChange.Add(new System.Drawing.Point(j, i));
notSkeleton = true;
}
}
}
}
foreach (System.Drawing.Point point in pointsToChange)
{
framedImage_xbmp.setPixel(point.X, point.Y, latar);
}
pointsToChange.Clear();
}
return XImage.removeFrame(framedImage_xbmp.getBitmap());
}
public static Bitmap RectangleMorph(Bitmap _b, System.Drawing.Point _E, System.Drawing.Point _F, System.Drawing.Point _G, System.Drawing.Point _H)
{
// gradation diff
System.Drawing.Point E = new System.Drawing.Point(_b.Width * _E.X, _b.Height * _E.Y);
System.Drawing.Point F = new System.Drawing.Point(_b.Width * _F.X, _b.Height * _F.Y);
System.Drawing.Point G = new System.Drawing.Point(_b.Width * _G.X, _b.Height * _G.Y);
System.Drawing.Point H = new System.Drawing.Point(_b.Width * _H.X, _b.Height * _H.Y);
int res_w = Math.Max(F.X - E.X, G.X - H.X);
int res_h = Math.Max(H.Y - E.Y, G.Y - F.Y);
Bitmap result = new Bitmap(res_w, res_h);
XBitmap result_xbmp = new XBitmap(result);
for (int i = 0; i < result.Width; i++)
{
for (int j = 0; j < result.Height; j++)
{
int new_width = j * ((G.X - H.X) - (F.X - E.X)) / H.Y - E.Y + F.X - E.X;
int new_height = i * ((G.Y - F.Y) - (H.Y - E.Y)) / F.X - E.X + H.Y - E.Y;
int x1 = i * _b.Width / new_width;
int y1 = j * _b.Height / new_height;
Color px = (y1 >= _b.Height || x1 >= _b.Width || y1 < 0 || x1 < 0) ? Color.FromArgb(0, 0, 0) : _b.GetPixel(x1, y1);
result_xbmp.setPixel(i, j, px);
}
}
return (result_xbmp.getBitmap());
}
public static Bitmap filterColor(Bitmap _b, Color _c, Color _t, Color _mark)
{
// gradation diff
Bitmap result = copy(_b);
XBitmap framedImage_xbmp = new XBitmap(result);
for (int i = 0; i < result.Width; i++) {
for (int j = 0; j < result.Height; j++) {
Color px = framedImage_xbmp.getPixel(i, j);
bool isWarnaKulit = (px.R>_c.R-_t.R && px.R<_c.R+_t.R) && (px.G>_c.G-_t.G && px.G<_c.G+_t.G) && (px.B>_c.B-_t.B && px.B<_c.B+_t.B);
int maxdr = isWarnaKulit ? _mark.R : 0;
int maxdg = isWarnaKulit ? _mark.G : 0;
int maxdb = isWarnaKulit ? _mark.B : 0;
if (isWarnaKulit)
framedImage_xbmp.setPixel(i, j, _mark);
else
framedImage_xbmp.setPixel(i, j, Color.FromArgb(0,0,0));
}
}
return (framedImage_xbmp.getBitmap());
}