protected override bool CheckLocation(int x, int y)
{
if ((x >= _sl) && (y >= _st) && (x < _sr) && (y < _sb) &&
BitmapHelper.CompareBitmapLocked(_searchOnData, _searchForData, x, y, _tolerance))
{
var num = x + _searchFor.Width;
while ((num < _sr) &&
BitmapHelper.CompareBitmapLocked(_searchOnData, _searchForData, num, y, _tolerance))
{
num += _searchFor.Width;
}
var num2 = x - _searchFor.Width;
while ((num2 >= _sl) &&
BitmapHelper.CompareBitmapLocked(_searchOnData, _searchForData, num2, y, _tolerance))
{
num2 -= _searchFor.Width;
}
var r = Rectangle.FromLTRB(num2 + _searchFor.Width, y, num, y + _searchForData.Height);
if (r.Width / _searchFor.Width >= _minLength)
{
MaskRectangle(r);
_result.Add(r);
return(true);
}
}
return(false);
}
protected virtual bool CheckLocation(int cx, int cy)
{
if ((cx >= _sl) && (cy >= _st) && (cx < _sr) && (cy < _sb) &&
BitmapHelper.CompareBitmapLocked(_searchOnData, _searchForData, cx, cy, _tolerance))
{
var r = new Rectangle(cx, cy, _searchForData.Width, _searchForData.Height);
MaskRectangle(r);
_result.Add(r);
return(true);
}
return(false);
}
protected Rectangle ExpandToRight(Rectangle rect)
{
var rectangle = rect;
var num = rect.Right - _topRightData.Width + 1;
var y = rect.Y;
var num3 = rect.Bottom - _bottomRightData.Height;
for (var i = num; i < _sr; i++)
{
if (!BitmapHelper.CompareBitmapLocked(_searchOnData, _topRightData, i, y, _tolerance) ||
!BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomRightData, i, num3, _tolerance))
{
return(rectangle);
}
rectangle.Width++;
}
return(rectangle);
}
protected Rectangle ExpandToBottom(Rectangle rect)
{
var rectangle = rect;
var x = rect.X;
var num2 = rect.Right - _bottomRightData.Width;
var num3 = rect.Bottom - _bottomRightData.Height + 1;
for (var i = num3; i < _sb; i++)
{
if (!BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomLeftData, x, i, _tolerance) ||
!BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomRightData, num2, i, _tolerance))
{
return(rectangle);
}
rectangle.Height++;
}
return(rectangle);
}
protected Rectangle ExpandToTop(Rectangle rect)
{
var rectangle = rect;
var x = rect.X;
var num2 = rect.Right - _topRightData.Width;
var num3 = rect.Y - 1;
for (var i = num3; i >= _st; i--)
{
if (!BitmapHelper.CompareBitmapLocked(_searchOnData, _topLeftData, x, i, _tolerance) ||
!BitmapHelper.CompareBitmapLocked(_searchOnData, _topRightData, num2, i, _tolerance))
{
return(rectangle);
}
rectangle.Y--;
rectangle.Height++;
}
return(rectangle);
}
protected Rectangle ExpandToLeft(Rectangle rect)
{
var rectangle = rect;
var num = rect.X - 1;
var y = rect.Y;
var num3 = rect.Bottom - _bottomLeftData.Height;
for (var i = num; i >= _sl; i--)
{
if (!BitmapHelper.CompareBitmapLocked(_searchOnData, _topLeftData, i, y, _tolerance) ||
!BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomLeftData, i, num3, _tolerance))
{
return(rectangle);
}
rectangle.X--;
rectangle.Width++;
}
return(rectangle);
}
protected override bool CheckLocation(int x, int y)
{
if ((x >= _sl) && (y >= _st) && (x < _sr) && (y < _sb))
{
switch (_startCorner)
{
case 0:
if (BitmapHelper.CompareBitmapLocked(_searchOnData, _topLeftData, x, y, _tolerance))
{
for (var i = x + _topLeft.Width; i < _sr; i++)
{
if (BitmapHelper.CompareBitmapLocked(_searchOnData, _topRightData, i, y, _tolerance))
{
for (var j = y + _topLeft.Height; j < _sb; j++)
{
if (
BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomRightData, i, j,
_tolerance) &&
BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomLeftData, x, j,
_tolerance))
{
var rectangle =
Expand(Rectangle.FromLTRB(x, y, i + _bottomRight.Width,
j + _bottomRight.Height));
_result.Add(rectangle);
rectangle.Inflate(-1, -1);
MaskRectangle(rectangle);
return(true);
}
}
}
}
}
break;
case 1:
if (BitmapHelper.CompareBitmapLocked(_searchOnData, _topRightData, x, y, _tolerance))
{
for (var k = y + _topRight.Height; k < _sb; k++)
{
if (BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomRightData, x, k,
_tolerance))
{
for (var m = x - _bottomLeft.Width; m >= _sl; m--)
{
if (
BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomLeftData, m, k,
_tolerance) &&
BitmapHelper.CompareBitmapLocked(_searchOnData, _topLeftData, m, y,
_tolerance))
{
var rectangle2 =
Expand(Rectangle.FromLTRB(m, y, x + _topRight.Width,
k + _bottomRight.Height));
_result.Add(rectangle2);
rectangle2.Inflate(-1, -1);
MaskRectangle(rectangle2);
return(true);
}
}
}
}
}
break;
case 2:
if (BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomLeftData, x, y, _tolerance))
{
for (var n = y - _topLeft.Height; n >= _st; n--)
{
if (BitmapHelper.CompareBitmapLocked(_searchOnData, _topLeftData, x, n, _tolerance))
{
for (var num6 = x + _topLeft.Width; num6 < _sr; num6++)
{
if (
BitmapHelper.CompareBitmapLocked(_searchOnData, _topRightData, num6, n,
_tolerance) &&
BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomRightData, num6,
y, _tolerance))
{
var rectangle3 =
Expand(Rectangle.FromLTRB(x, n, num6 + _topRight.Width,
y + _bottomLeft.Height));
_result.Add(rectangle3);
rectangle3.Inflate(-1, -1);
MaskRectangle(rectangle3);
return(true);
}
}
}
}
}
break;
case 3:
if (BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomRightData, x, y, _tolerance))
{
for (var num7 = x - _bottomLeft.Width; num7 >= _sl; num7--)
{
if (BitmapHelper.CompareBitmapLocked(_searchOnData, _bottomLeftData, num7, y,
_tolerance))
{
for (var num8 = y - _topLeft.Height; num8 >= _st; num8--)
{
if (
BitmapHelper.CompareBitmapLocked(_searchOnData, _topLeftData, num7, num8,
_tolerance) &&
BitmapHelper.CompareBitmapLocked(_searchOnData, _topRightData, x, num8,
_tolerance))
{
var rectangle4 =
Expand(Rectangle.FromLTRB(num7, num8, x + _bottomRight.Width,
y + _bottomRight.Height));
_result.Add(rectangle4);
rectangle4.Inflate(-1, -1);
MaskRectangle(rectangle4);
return(true);
}
}
}
}
}
break;
}
}
return(false);
}
