procedure TForm1.Button1Click(Sender: TObject);
const
count = 100;
var
i: integer;
x, y: integer;
bm, bm1, bm2: TBitMap;
p1, p2, p: PByteArray;
c: integer;
k: integer;
begin
bm := TBitMap.Create;
bm1 := TBitMap.Create;
bm2 := TBitMap.Create;
bm1.LoadFromFile('Bitmap1.bmp');
bm2.LoadFromFile('Bitmap2.bmp');
if bm1.Height < bm2.Height then
begin
bm.Height := bm1.Height;
bm2.Height := bm1.Height;
end
else
begin
bm.Height := bm2.Height;
bm1.Height := bm2.Height;
end;
if bm1.Width < bm2.Width then
begin
bm.Width := bm1.Width;
bm2.Width := bm1.Width;
end
else
begin
bm.Width := bm2.Width;
bm1.Width := bm2.Width;
end;
bm.PixelFormat := pf24bit;
bm1.PixelFormat := pf24bit;
bm2.PixelFormat := pf24bit;
Form1.Canvas.Draw(0, 0, bm1);
for i := 1 to count - 1 do
begin
for y := 0 to bm.Height - 1 do
begin
p := bm.ScanLine[y];
p1 := bm1.ScanLine[y];
p2 := bm2.ScanLine[y];
for x := 0 to bm.Width * 3 - 1 do
p^[x] := round((p1^[x] * (count - i) + p2^[x] * i) / count);
end;
Form1.Canvas.Draw(0, 0, bm);
Form1.Caption := IntToStr(round(i / count * 100)) + '%';
Application.ProcessMessages;
if Application.Terminated then
break;
end;
Form1.Canvas.Draw(0, 0, bm2);
Form1.Caption := 'done';
bm1.Destroy; bm2.Destroy; bm.Destroy;
end;
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