델파이로 두 사진의 싱크로율을 비교하다

21494 단어 Delphi

  
    
procedure TFrm_test.initList;
var
idx, i, k, x, y, l: integer;
p, fn:
string ;
bmp: TBitmap;
BColor, NowColor: TColor;
begin

p :
= ExtractFilePath(Application.ExeName);
bmp :
= TBitmap.Create;
for i : = 0 to 9 do
begin
fn :
= p + ' \CodeBmp\ ' + IntToStr(i) + ' .bmp ' ;
if not FileExists(fn) then
Continue;

idx :
= length(PointRecList);
SetLength(PointRecList, idx
+ 1 );
PointRecList[idx].Code :
= IntToStr(i);

bmp.LoadFromFile(fn);
BColor :
= bmp.Canvas.Pixels[ 0 , bmp.Height - 1 ];

for x : = 0 to bmp.Width - 1 do
for y : = 0 to bmp.Height - 1 do
begin
NowColor :
= bmp.Canvas.Pixels[x, y];
if NowColor <> BColor then
begin
l :
= length(PointRecList[idx].PointList);
SetLength(PointRecList[idx].PointList, l
+ 1 );
PointRecList[idx].PointList[l].x :
= x;
PointRecList[idx].PointList[l].y :
= y;
end ;
end ;

end ;

FreeAndNil(bmp);

//
end ;

function getCode_Bmp( const bmp: TBitmap; strLen: integer;
PointRecList:
array of TPointRec): string ;
var
j, i, l, x, y, x0, xS, beginx: integer;

BColor, NowColor: TColor;
PointList:
array of TPoint;
function getCode: string ;
var
maxCount, k, m, j, i: integer;

begin
Result :
= ' ? ' ;
if length(PointList) < 3 then
exit;

maxCount :
= 0 ;
for i : = 0 to high(PointRecList) do
begin

if length(PointRecList[i].PointList) < 3 then
Continue;

m :
= 0 ;

for k : = 1 to high(PointList) do
begin

for j : = 1 to high(PointRecList[i].PointList) do
if ((PointList[k].x - PointList[ 0 ].x) =
(PointRecList[i].PointList[j].x
- PointRecList[i].PointList[ 0 ].x)
)
and ((PointList[k].y - PointList[ 0 ].y) =
(PointRecList[i].PointList[j].y
- PointRecList[i].PointList[ 0 ].y)
)

then
begin
inc(m);
Break;
end ;

end ;

m :
= m * 100 div (length(PointList) - 1 );
if m > maxCount then
begin
Result :
= PointRecList[i].Code;
maxCount :
= m;
end ;
end ;
end ;

begin
Result :
= ' ' ;
BColor :
= bmp.Canvas.Pixels[ 0 , bmp.Height - 1 ];
x0 :
= 0 ;
xS :
= bmp.Width div strLen;
for i : = 0 to strLen - 1 do
begin
beginx :
= x0 + xS * i;
SetLength(PointList,
0 );
for j : = 0 to xS - 1 do
begin
x :
= beginx + j;
for y : = 0 to bmp.Height - 1 do
begin
NowColor :
= bmp.Canvas.Pixels[x, y];
if NowColor <> BColor then
begin
l :
= length(PointList);
SetLength(PointList, l
+ 1 );
PointList[l].x :
= x;
PointList[l].y :
= y;
end ;
end ;
end ;
Result :
= Result + getCode;
end ;
end ;

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