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| unit uMainForm;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls, ValEdit, ExtDlgs, ExtCtrls,SyncObjs,
BZCLasses, BZGraphic, BZBitmap, {%H-}BZBitmapIO, BZParallelThread, BZImageViewer;
type
{ TForm1 }
TForm1 = class(TForm)
BZImageViewer1 : TBZImageViewer;
Button1 : TButton;
Button2 : TButton;
ListBox1 : TListBox;
ValueListEditor1 : TValueListEditor;
OPD : TOpenPictureDialog;
Label1 : TLabel;
Label2 : TLabel;
Label3 : TLabel;
procedure Button1Click(Sender : TObject);
procedure Button2Click(Sender : TObject);
procedure FormCreate(Sender : TObject);
procedure FormClose(Sender : TObject; var CloseAction : TCloseAction);
private
protected
SL: TBZStringList;
MaCS: TCriticalSection;
procedure CompteurDeLignes(Sender : TObject; Index : Integer);
procedure ProcessLine(y : Integer);
procedure MyParalelleProc(Sender: TObject; Index: Integer; Data : Pointer);
public
end;
var
Form1 : TForm1;
implementation
{$R *.lfm}
{ TForm1 }
procedure TForm1.Button1Click(Sender : TObject);
begin
if OPD.Execute then
begin
BZImageViewer1.Picture.LoadFromFile(OPD.FileName);
BZImageViewer1.Invalidate;
end;
end;
procedure TForm1.Button2Click(Sender : TObject);
var
i : Integer;
SLOut : TStringList;
begin
Screen.Cursor := crHourGlass;
MaCS := TCriticalSection.Create;
ParallelFor(0, BZImageViewer1.Picture.Bitmap.MaxHeight, @MyParalelleProc,@CompteurDeLignes, nil); // nb MaxHeigtht = Height-1
SLOut := TStringList.Create;
for i := 0 to SL.Count-1 do
begin
SLOut.Add(SL.Strings[i]+ '=' + SL.Items[i].Tag.ToString);
end;
ValueListEditor1.Strings.CommaText := SLOut.CommaText;
ListBox1.Items.CommaText := SLOut.CommaText;
Label1.Caption := 'Terminé';
Label3.Caption := SL.Count.ToString;
FreeAndNil(SLOut);
FreeAndNil(MaCS);
Screen.Cursor := crDefault;
end;
procedure TForm1.FormCreate(Sender : TObject);
begin
SL := TBZStringList.Create(Nil);
SL.CaseSensitive := True;
end;
procedure TForm1.FormClose(Sender : TObject; var CloseAction : TCloseAction);
begin
FreeAndNil(SL);
end;
procedure TForm1.ProcessLine(y : Integer);
var
X: DWord;
L : PBZColor;
Current : TBZColor;
S: String;
I, J: Integer;
begin
Current := clrBlack;
L := BZImageViewer1.Picture.Bitmap.GetScanLine(y);
For X := 0 to BZImageViewer1.Picture.Bitmap.MaxWidth do
begin
if (L^<>clrBlack) and (l^<>clrTransparent) then
begin
if L^<>Current then
begin
S := L^.ToHexString;
I := SL.IndexOf(S);
if I < 0 then
begin
maCS.Acquire;
Try
J := SL.Add(S);
SL.Items[J].Tag := 1;
Current := L^;
I := J;
finally
maCS.Release;
end;
end
else
begin
maCS.Acquire;
try
SL.Items[I].Tag := SL.Items[I].Tag + 1;
finally
maCS.Release;
end;
end;
end
else
begin
maCS.Acquire;
try
SL.Items[I].Tag := SL.Items[I].Tag + 1;
finally
maCS.Release;
end;
end;
end;
inc(L);
end;
end;
procedure TForm1.MyParalelleProc(Sender : TObject; Index : Integer; Data : Pointer);
begin
ProcessLine(Index mod BZImageViewer1.Picture.Bitmap.Height);
end;
procedure TForm1.CompteurDeLignes(Sender : TObject; Index : Integer);
begin
Label1.Caption := IntToStr(Index);
Application.ProcessMessages;
end;
end. |
Partager