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Simba/Units/MMLCore/finder.pas
Raymond beb307f24b Added FindColorsTolerance.
git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@73 3f818213-9676-44b0-a9b4-5e4c4e03d09d
2009-09-20 02:19:44 +00:00

443 lines
11 KiB
ObjectPascal

unit finder;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, MufasaTypes; // Types
{ TMFinder Class }
{
Should be 100% independant, as all platform dependant code is in the
Window and Input classes.
Let's try not to use any OS-specific defines here? ;)
}
type
TMFinder = class(TObject)
constructor Create(aClient: TObject);
destructor Destroy; override;
private
Procedure UpdateCachedValues(NewWidth,NewHeight : integer);
procedure DefaultOperations(var x1,y1,x2,y2 : integer);
public
function CountColorTolerance(Color, xs, ys, xe, ye, Tolerance: Integer): Integer;
procedure SetToleranceSpeed(nCTS: Integer);
function SimilarColors(Color1,Color2,Tolerance : Integer) : boolean;
// Possibly turn x, y into a TPoint var.
function FindColor(var x, y: Integer; Color, x1, y1, x2, y2: Integer): Boolean;
function FindColorTolerance(var x, y: Integer; Color, x1, y1, x2, y2, tol: Integer): Boolean;
function FindColorsTolerance(var Points: TPointArray; Color, xs, ys, xe, ye, Tol: Integer): Boolean;
function FindColors(var TPA: TPointArray; Color, x1, y1, x2, y2: Integer): Boolean;
protected
Client: TObject;
CachedWidth, CachedHeight : integer;
ClientTPA : TPointArray;
hueMod, satMod: Extended;
CTS: Integer;
end;
implementation
uses
Client, // For the Client Casts.
colour_conv // For RGBToColor, etc.
;
constructor TMFinder.Create(aClient: TObject);
begin
inherited Create;
Self.Client := aClient;
Self.CTS := 1;
Self.hueMod := 0.2;
Self.satMod := 0.2;
end;
destructor TMFinder.Destroy;
begin
inherited;
end;
procedure TMFinder.SetToleranceSpeed(nCTS: Integer);
begin
if (nCTS < 0) or (nCTS > 2) then
raise Exception.CreateFmt('The given CTS ([%d]) is invalid.',[nCTS]);
Self.CTS := nCTS;
end;
function TMFinder.SimilarColors(Color1, Color2,Tolerance: Integer) : boolean;
var
R1,G1,B1,R2,G2,B2 : Byte;
H1,S1,L1,H2,S2,L2 : extended;
begin
Result := False;
ColorToRGB(Color1,R1,G1,B1);
ColorToRGB(Color2,R2,G2,B2);
if Color1 = Color2 then
Result := true
else
case CTS of
0: Result := ((Abs(R1-R2) <= Tolerance) and (Abs(G1-G2) <= Tolerance) and (Abs(B1-B2) <= Tolerance));
1: Result := (Sqrt(sqr(R1-R2) + sqr(G1-G2) + sqr(B1-B2)) <= Tolerance);
2: begin
RGBToHSL(R1,g1,b1,H1,S1,L1);
RGBToHSL(R2,g2,b2,H2,S2,L2);
Result := ((abs(H1 - H2) <= (hueMod * Tolerance)) and (abs(S2-S1) <= (satMod * Tolerance)) and (abs(L1-L2) <= Tolerance));
end;
end;
end;
function ColorSame(var CTS,Tolerance : Integer; var R1,B1,G1,R2,G2,B2 : byte; var H1,S1,L1,huemod,satmod : extended) : boolean; inline;
var
H2,S2,L2 : extended;
begin
Result := False;
case CTS of
0: Result := ((Abs(R1-R2) <= Tolerance) and (Abs(G1-G2) <= Tolerance) and (Abs(B1-B2) <= Tolerance));
1: Result := (Sqrt(sqr(R1-R2) + sqr(G1-G2) + sqr(B1-B2)) <= Tolerance);
2: begin
RGBToHSL(R1,g1,b1,H1,S1,L1);
RGBToHSL(R2,g2,b2,H2,S2,L2);
Result := ((abs(H1 - H2) <= (hueMod * Tolerance)) and (abs(S2-S1) <= (satMod * Tolerance)) and (abs(L1-L2) <= Tolerance));
end;
end;
end;
procedure TMFinder.UpdateCachedValues(NewWidth, NewHeight: integer);
begin
CachedWidth := NewWidth;
CachedHeight := NewHeight;
SetLength(ClientTPA,NewWidth * NewHeight);
end;
procedure TMFinder.DefaultOperations(var x1, y1, x2, y2: integer);
var
w,h : integer;
begin
{ if x1 > x2 then
Swap(x1,x2);
if y1 > y2 then
Swap(y1,y2);}
if x1 < 0 then
// x1 := 0;
raise Exception.createFMT('Any FindColor Function, you did not pass a ' +
'correct x1: %d.', [x1]);
if y1 < 0 then
// y1 := 0;
raise Exception.createFMT('Any FindColor Function, you did not pass a ' +
'correct y1: %d.', [y1]);
TClient(Self.Client).MWindow.GetDimensions(w,h);
if (w <> CachedWidth) or (h <> CachedHeight) then
UpdateCachedValues(w,h);
if x2 >= w then
// x2 := w-1;
raise Exception.createFMT('Any FindColor Function, you did not pass a ' +
'correct x2: %d.', [x2]);
if y2 >= h then
// y2 := h-1;
raise Exception.createFMT('Any FindColor Function, you did not pass a ' +
'correct y2: %d.', [y2]);
end;
function TMFinder.CountColorTolerance(Color, xs, ys, xe, ye, Tolerance: Integer): Integer;
var
PtrData: TRetData;
Ptr: PRGB32;
PtrInc: Integer;
clR, clG, clB : byte;
dX, dY, xx, yy: Integer;
h,s,l,hmod,smod : extended;
Ccts : integer;
begin
DefaultOperations(xs, ys, xe, ye);
dX := xe - xs;
dY := ye - ys;
ColorToRGB(Color, clR, clG, clB);
PtrData := TClient(Client).MWindow.ReturnData(xs, ys, dX + 1, dY + 1);
Ptr := PtrData.Ptr;
PtrInc := PtrData.IncPtrWith;
CCts := Self.CTS;
result := 0;
if cts = 2 then
begin;
RGBToHSL(clR,clG,clB,h,s,l);
hmod := Self.hueMod;
smod := Self.satMod;
end;
for yy := ys to ye do
begin;
for xx := xs to xe do
begin;
if ColorSame(CCts,Tolerance,clR,clG,clB,Ptr^.r,Ptr^.g,Ptr^.b,H,S,L,hmod,smod) then
inc(result);
Inc(Ptr);
end;
Inc(Ptr, PtrInc)
end;
TClient(Client).MWindow.FreeReturnData;
end;
function TMFinder.FindColor(var x, y: Integer; Color, x1, y1, x2, y2: Integer): Boolean;
var
PtrData: TRetData;
Ptr: PRGB32;
PtrInc: Integer;
dX, dY, clR, clG, clB, xx, yy: Integer;
begin
// checks for valid x1,y1,x2,y2? (may involve GetDimensions)
DefaultOperations(x1,y1,x2,y2);
// calculate delta x and y
dX := x2 - x1;
dY := y2 - y1;
//next, convert the color to r,g,b
ColorToRGB(Color, clR, clG, clB);
PtrData := TClient(Client).MWindow.ReturnData(x1, y1, dX + 1, dY + 1);
// Do we want to "cache" these vars?
// We will, for now. Easier to type.
Ptr := PtrData.Ptr;
PtrInc := PtrData.IncPtrWith;
for yy := y1 to y2 do
begin;
for xx := x1 to x2 do
begin;
// Colour comparison here. Possibly with tolerance? ;)
if (Ptr^.R = clR) and (Ptr^.G = clG) and (Ptr^.B = clB) then
begin
Result := True;
x := xx;
y := yy;
TClient(Client).MWindow.FreeReturnData;
Exit;
end;
Inc(Ptr);
end;
Inc(Ptr, PtrInc)
end;
TClient(Client).MWindow.FreeReturnData;
end;
function TMFinder.FindColorTolerance(var x, y: Integer; Color, x1, y1, x2, y2, tol: Integer): Boolean;
var
PtrData: TRetData;
Ptr: PRGB32;
PtrInc: Integer;
dX, dY, clR, clG, clB, xx, yy: Integer;
H1, S1, L1, H2, S2, L2: Extended;
label Hit;
label Miss;
begin
// checks for valid x1,y1,x2,y2? (may involve GetDimensions)
DefaultOperations(x1,y1,x2,y2);
// calculate delta x and y
dX := x2 - x1;
dY := y2 - y1;
//next, convert the color to r,g,b
ColorToRGB(Color, clR, clG, clB);
ColorToHSL(Color, H1, S1, L1);
PtrData := TClient(Client).MWindow.ReturnData(x1, y1, dX + 1, dY + 1);
// Do we want to "cache" these vars?
// We will, for now. Easier to type.
Ptr := PtrData.Ptr;
PtrInc := PtrData.IncPtrWith;
case CTS of
0:
for yy := y1 to y2 do
begin
for xx := x1 to x2 do
begin
if ((abs(clR-Ptr^.R) <= Tol) and (abs(clG-Ptr^.G) <= Tol) and (Abs(clG-Ptr^.B) <= Tol)) then
goto Hit;
inc(Ptr);
end;
Inc(Ptr, PtrInc);
end;
1:
for yy := y1 to y2 do
begin
for xx := x1 to x2 do
begin
if (Sqrt(sqr(clR-Ptr^.R) + sqr(clG - Ptr^.G) + sqr(clB - Ptr^.B)) <= Tol) then
goto Hit;
inc(ptr);
end;
Inc(Ptr, PtrInc);
end;
2:
begin
for yy := y1 to y2 do
for xx := x1 to x2 do
begin
RGBToHSL(Ptr^.R,Ptr^.G,Ptr^.B,H2,S2,L2);
if ((abs(H1 - H2) <= (hueMod * tol)) and (abs(S1 - S2) <= (satMod * tol)) and (abs(L1 - L2) <= Tol)) then
goto Hit;
inc(Ptr);
end;
Inc(Ptr, PtrInc);
end;
end;
Result := False;
TClient(Client).MWindow.FreeReturnData;
Exit;
Hit:
Result := True;
x := xx;
y := yy;
TClient(Client).MWindow.FreeReturnData;
end;
function TMFinder.FindColorsTolerance(var Points: TPointArray; Color, xs, ys,
xe, ye, Tol: Integer): Boolean;
var
PtrData: TRetData;
Ptr: PRGB32;
PtrInc,C: Integer;
dX, dY, clR, clG, clB, xx, yy: Integer;
H1, S1, L1, H2, S2, L2: Extended;
begin
DefaultOperations(xs,ys,xe,ye);
dX := xe - xs;
dY := ye - ys;
//next, convert the color to r,g,b
ColorToRGB(Color, clR, clG, clB);
ColorToHSL(Color, H1, S1, L1);
PtrData := TClient(Client).MWindow.ReturnData(xs, ys, dX + 1, dY + 1);
// Do we want to "cache" these vars?
// We will, for now. Easier to type.
Ptr := PtrData.Ptr;
PtrInc := PtrData.IncPtrWith;
c := 0;
case CTS of
0:
for yy := ys to ye do
begin
for xx := xs to xe do
begin
if ((abs(clR-Ptr^.R) <= Tol) and (abs(clG-Ptr^.G) <= Tol) and (Abs(clG-Ptr^.B) <= Tol)) then
begin;
ClientTPA[c].x := xx;
ClientTPA[c].y := yy;
inc(c);
end;
inc(Ptr);
end;
Inc(Ptr, PtrInc);
end;
1:
for yy := ys to ye do
begin
for xx := xs to xe do
begin
if (Sqrt(sqr(clR-Ptr^.R) + sqr(clG - Ptr^.G) + sqr(clB - Ptr^.B)) <= Tol) then
begin;
ClientTPA[c].x := xx;
ClientTPA[c].y := yy;
inc(c);
end;
inc(ptr);
end;
Inc(Ptr, PtrInc);
end;
2:
begin
for yy := ys to ye do
for xx := xs to xe do
begin
RGBToHSL(Ptr^.R,Ptr^.G,Ptr^.B,H2,S2,L2);
if ((abs(H1 - H2) <= (hueMod * tol)) and (abs(S1 - S2) <= (satMod * tol)) and (abs(L1 - L2) <= Tol)) then
begin;
ClientTPA[c].x := xx;
ClientTPA[c].y := yy;
inc(c);
end;
inc(Ptr);
end;
Inc(Ptr, PtrInc);
end;
end;
SetLength(Points, C);
Move(ClientTPA[0], Points[0], C * SizeOf(TPoint));
Result := C > 0;
TClient(Client).MWindow.FreeReturnData;
end;
function TMFinder.FindColors(var TPA: TPointArray; Color, x1, y1, x2, y2: Integer): Boolean;
var
PtrData: TRetData;
Ptr: PRGB32;
PtrInc: Integer;
dX, dY, clR, clG, clB, xx, yy, i: Integer;
begin
DefaultOperations(x1,y1,x2,y2);
dX := x2 - x1;
dY := y2 - y1;
I := 0;
ColorToRGB(Color, clR, clG, clB);
PtrData := TClient(Client).MWindow.ReturnData(x1, y1, dX + 1, dY + 1);
Ptr := PtrData.Ptr;
PtrInc := PtrData.IncPtrWith;
for yy := y1 to y2 do
begin;
for xx := x1 to x2 do
begin;
if (Ptr^.R = clR) and (Ptr^.G = clG) and (Ptr^.B = clB) then
begin
Self.ClientTPA[I].x := xx;
Self.ClientTPA[i].y := yy;
Inc(I);
end;
Inc(Ptr);
end;
Inc(Ptr, PtrInc);
end;
SetLength(TPA, I);
Move(ClientTPA[0], TPA[0], i * SizeOf(TPoint));
Result := I > 0;
TClient(Client).MWindow.FreeReturnData;
end;
end.