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());
}
private static double dotProduct(XBitmap _bmp, double[,] _convmatrix, int i, int j) // putar matrix 45 drj, 8x jadi kembali ke asal, untuk derajat 2
{
double res = (double)_bmp.getPixel(i - 1, j - 1).R *_convmatrix[0, 0] +
(double)_bmp.getPixel(i - 1, j).R *_convmatrix[0, 1] +
(double)_bmp.getPixel(i - 1, j + 1).R *_convmatrix[0, 2] +
(double)_bmp.getPixel(i, j - 1).R *_convmatrix[1, 0] +
(double)_bmp.getPixel(i, j).R *_convmatrix[1, 1] +
(double)_bmp.getPixel(i, j + 1).R *_convmatrix[1, 2] +
(double)_bmp.getPixel(i + 1, j - 1).R *_convmatrix[2, 0] +
(double)_bmp.getPixel(i + 1, j).R *_convmatrix[2, 1] +
(double)_bmp.getPixel(i + 1, j + 1).R *_convmatrix[2, 2];
return(res);
}
public static Bitmap edgeDiff2(Bitmap _b) // inversi warna
{
Bitmap result = copy(_b);
Bitmap framedImage = addMirroredFrame(_b);
XBitmap framedImage_xbmp = new XBitmap(framedImage);
for (int i = 1; i < framedImage.Width - 1; i++)
{
for (int j = 1; j < framedImage.Height - 1; j++)
{
Color dc1 = XColor.differrence(framedImage_xbmp.getPixel(i, j - 1), framedImage_xbmp.getPixel(i, j + 1));
Color dc2 = XColor.differrence(framedImage_xbmp.getPixel(i + 1, j), framedImage_xbmp.getPixel(i - 1, j));
int maxdr = Math.Max(dc1.R, dc2.R);
int maxdg = Math.Max(dc1.G, dc2.G);
int maxdb = Math.Max(dc1.B, dc2.B);
result.SetPixel(i - 1, j - 1, Color.FromArgb(maxdr, maxdr, maxdb));
}
}
return(result);
}
public static Bitmap grad2(Bitmap _b, int _radius, Color _mark, int _distance) // gradation diff
//Bitmap result = XImage.copy(_b);
{
int r = _radius;
int r2 = _distance / 2 + 1;
int limit = (int)(Math.Pow((2 * r + 1), 2) * (0.3));
Bitmap framedImage = addNFrame(_b, Color.FromArgb(0, 0, 0), r);
XBitmap xbmp_framedImage = new XBitmap(framedImage);
Bitmap result = XImage.getPlainImage(_b, Color.Black);
Bitmap framedResultImage = addNFrame(_b, Color.FromArgb(0, 0, 0), r2);
for (int i = 0; i < result.Width; i += _distance)
{
for (int j = 0; j < result.Height; j += _distance)
{
int x = i + r;
int y = j + r;
int count = 0;
for (int k = x - r; k < x + r; k++)
{
for (int l = y - r; l < y + r; l++)
{
Color px = xbmp_framedImage.getPixel(k, l);
count += (px.R != 0) ? 1 : 0;
}
}
if (count >= limit)
{
int d = _distance / 2;
for (int k = i - d; k <= i + d; k++)
{
for (int l = j - d; l <= j + d; l++)
{
framedResultImage.SetPixel(k + r2, l + r2, _mark);
}
}/**/
//framedResultImage.SetPixel(i + r2, j + r2, _mark);
}
}
}/**/
return(XImage.removeNFrame(framedResultImage, r2));
}
public static Bitmap gradDiff4(Bitmap _b) // gradation diff
{
Bitmap result = copy(_b);
Bitmap framedImage = addMirroredFrame(_b);
XBitmap framedImage_xbmp = new XBitmap(framedImage);
for (int i = 1; i < framedImage.Width - 1; i++)
{
for (int j = 1; j < framedImage.Height - 1; j++)
{
Color px = framedImage_xbmp.getPixel(i, j);
int thres = 21;
bool isWarnaKulit = (px.R > 102 - thres && px.R < 102 + thres) && (px.G > 107 - thres && px.G < 107 + thres) && (px.B > 95 - thres && px.B < 95 + thres);
int maxdr = isWarnaKulit ? 255 : 0;
int maxdg = isWarnaKulit ? 255 : 0;
int maxdb = isWarnaKulit ? 255 : 0;
result.SetPixel(i - 1, j - 1, Color.FromArgb(maxdr, maxdr, maxdb));
}
}
return(result);
}
private static bool isLatar(XBitmap _b, int i, int j)
{
Color temp = _b.getPixel(i, j);
return XColor.isEqual(temp, latar);
}
// putar matrix 45 drj, 8x jadi kembali ke asal, untuk derajat 2
private static double dotProduct(XBitmap _bmp, double[,] _convmatrix, int i, int j)
{
double res = (double)_bmp.getPixel(i - 1, j - 1).R * _convmatrix[0, 0] +
(double)_bmp.getPixel(i - 1, j).R * _convmatrix[0, 1] +
(double)_bmp.getPixel(i - 1, j + 1).R * _convmatrix[0, 2] +
(double)_bmp.getPixel(i, j - 1).R * _convmatrix[1, 0] +
(double)_bmp.getPixel(i, j).R * _convmatrix[1, 1] +
(double)_bmp.getPixel(i, j + 1).R * _convmatrix[1, 2] +
(double)_bmp.getPixel(i + 1, j - 1).R * _convmatrix[2, 0] +
(double)_bmp.getPixel(i + 1, j).R * _convmatrix[2, 1] +
(double)_bmp.getPixel(i + 1, j + 1).R * _convmatrix[2, 2];
return res;
}
public static Bitmap gradDiff4(Bitmap _b)
{
// gradation diff
Bitmap result = copy(_b);
Bitmap framedImage = addMirroredFrame(_b);
XBitmap framedImage_xbmp = new XBitmap(framedImage);
for (int i = 1; i < framedImage.Width-1; i++) {
for (int j = 1; j < framedImage.Height-1; j++) {
Color px = framedImage_xbmp.getPixel(i, j);
int thres = 21;
bool isWarnaKulit = (px.R>102-thres && px.R<102+thres) && (px.G>107-thres && px.G<107+thres) && (px.B>95-thres && px.B<95+thres);
int maxdr = isWarnaKulit ? 255 : 0;
int maxdg = isWarnaKulit ? 255 : 0;
int maxdb = isWarnaKulit ? 255 : 0;
result.SetPixel(i-1, j-1, Color.FromArgb(maxdr, maxdr, maxdb));
}
}
return result;
}
public static Bitmap grad2(Bitmap _b, int _radius, Color _mark, int _distance)
{
// gradation diff
//Bitmap result = XImage.copy(_b);
int r = _radius;
int r2 = _distance/2+1;
int limit = (int)(Math.Pow((2*r+1), 2)*(0.3));
Bitmap framedImage = addNFrame(_b, Color.FromArgb(0, 0, 0), r);
XBitmap xbmp_framedImage = new XBitmap(framedImage);
Bitmap result = XImage.getPlainImage(_b, Color.Black);
Bitmap framedResultImage = addNFrame(_b, Color.FromArgb(0, 0, 0), r2);
for (int i = 0; i < result.Width; i+=_distance) {
for (int j = 0; j < result.Height; j+=_distance) {
int x = i+r;
int y = j+r;
int count = 0;
for (int k = x-r; k < x+r; k++) {
for (int l = y-r; l < y+r; l++) {
Color px = xbmp_framedImage.getPixel(k, l);
count += (px.R!=0) ? 1 : 0;
}
}
if (count>=limit) {
int d = _distance/2;
for (int k = i-d; k <= i+d; k++) {
for (int l = j-d; l <= j+d; l++) {
framedResultImage.SetPixel(k + r2, l + r2, _mark);
}
}/**/
//framedResultImage.SetPixel(i + r2, j + r2, _mark);
}
}
}/**/
return XImage.removeNFrame(framedResultImage, r2);
}
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 edgeDiff4(Bitmap _b)
{
// inversi warna
Bitmap result = copy(_b);
Bitmap framedImage = addMirroredFrame(_b);
XBitmap framedImage_xbmp = new XBitmap(framedImage);
for (int i = 1; i < framedImage.Width-1; i++) {
for (int j = 1; j < framedImage.Height-1; j++) {
Color dc1 = XColor.differrence(framedImage_xbmp.getPixel(i, j - 1), framedImage_xbmp.getPixel(i, j + 1));
Color dc2 = XColor.differrence(framedImage_xbmp.getPixel(i + 1, j - 1), framedImage_xbmp.getPixel(i - 1, j + 1));
Color dc3 = XColor.differrence(framedImage_xbmp.getPixel(i + 1, j), framedImage_xbmp.getPixel(i - 1, j));
Color dc4 = XColor.differrence(framedImage_xbmp.getPixel(i + 1, j + 1), framedImage_xbmp.getPixel(i - 1, j - 1));
int maxdr = Math.Max(dc1.R, Math.Max(dc2.R, Math.Max(dc3.R, dc4.R)));
int maxdg = Math.Max(dc1.G, Math.Max(dc2.G, Math.Max(dc3.G, dc4.G)));
int maxdb = Math.Max(dc1.B, Math.Max(dc2.B, Math.Max(dc3.B, dc4.B)));
result.SetPixel(i-1, j-1, Color.FromArgb(maxdr, maxdr, maxdb));
}
}
return result;
}