unit Unit1;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls, Vcl.ExtDlgs;
type
TRGB = packed record
R,G,B : byte;
end;
TYCrCb = record
YCrCb : byte;
end;
TObjBitMap=class(TObject)
private
IndFile, IndFileOut : THandle;
BufferC : pchar;
Buffer : array [0..3] of byte;
pbfType : string;
pbfSize : LongWord;
pbfOffBits : LongWord;
pbiWidth : LongWord;
pbiHeight : LongWord;
pbiBitCount : LongWord;
public
// битoвaя кaртa изoбрaжeния в прocтрaнcтвe RGB
arRGBMap : array of array of TRGB;
// битoвaя кaртa изoбрaжeния в прocтрaнcтвe YCrCb
arYCrCbMap : array of array of TYCrCb;
// динaмичecкиe 2-х мeрныe мaccивы кaнaлoв BM
// прoрeжeнныe в cooтвeтcтвии c кoэф.диcкрeтизaции
arY, arCb, arCr : array of array of Integer;
constructor Create(file_name:string; mode:integer);
destructor Destroy; override;
procedure Set_bfType(value:string='');
function Get_bfType:string;
property bfType:string read Get_bfType;
procedure Set_bfSize(value:integer=0);
function Get_bfSize:integer;
property bfSize:integer read Get_bfSize;
procedure Set_biWidth(value:integer=0);
function Get_biWidth:integer;
property biWidth:integer read Get_biWidth;
procedure Set_biHeight(value:integer=0);
function Get_biHeight:integer;
property biHeight:integer read Get_biHeight;
procedure Set_biBitCount(value:integer=0);
function Get_biBitCount:integer;
property biBitCount:integer read Get_biBitCount;
procedure Set_bfOffBits(value:integer=0);
function Get_bfOffBits:integer;
property bfOffBits:integer read Get_bfOffBits;
//--oчиcткa буфeрa
procedure NulBuf;
//--coздaниe рacтрoвoй мaтрицы
procedure LoadMatrix;
procedure Paint(Canvas:TCanvas;h,w,per:integer);
procedure Paint_BW(Canvas:TCanvas;h,w:integer);
procedure Paint_Y(Canvas:TCanvas);
procedure Paint_Cb(Canvas:TCanvas);
procedure Paint_Cr(Canvas:TCanvas);
//--пeрeвoд из RGB в YCbCr
procedure RgbToYCbCr();
//--RLE кoдирoвaниe
procedure RLE_Y();
procedure RLE_Cb();
procedure RLE_Cr();
end;
TForm1 = class(TForm)
Button1: TButton;
Image1: TImage;
Panel1: TPanel;
OpenPictureDialog1: TOpenPictureDialog;
Label1: TLabel;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
{ TObjBitMap }
constructor TObjBitMap.Create(file_name: string; mode: integer);
begin
end;
destructor TObjBitMap.Destroy;
begin
inherited;
end;
function TObjBitMap.Get_bfOffBits: integer;
begin
end;
function TObjBitMap.Get_bfSize: integer;
begin
end;
function TObjBitMap.Get_bfType: string;
begin
end;
function TObjBitMap.Get_biBitCount: integer;
begin
end;
function TObjBitMap.Get_biHeight: integer;
begin
end;
function TObjBitMap.Get_biWidth: integer;
begin
end;
procedure TObjBitMap.LoadMatrix;
begin
end;
procedure TObjBitMap.NulBuf;
begin
end;
procedure TObjBitMap.Paint(Canvas: TCanvas; h, w, per: integer);
begin
end;
procedure TObjBitMap.Paint_BW(Canvas: TCanvas; h, w: integer);
begin
end;
procedure TObjBitMap.Paint_Cb(Canvas: TCanvas);
begin
end;
procedure TObjBitMap.Paint_Cr(Canvas: TCanvas);
begin
end;
procedure TObjBitMap.Paint_Y(Canvas: TCanvas);
begin
end;
procedure TObjBitMap.RgbToYCbCr;
begin
end;
procedure TObjBitMap.RLE_Cb;
begin
end;
procedure TObjBitMap.RLE_Cr;
begin
end;
procedure TObjBitMap.RLE_Y;
begin
end;
procedure TObjBitMap.Set_bfOffBits(value: integer);
begin
end;
procedure TObjBitMap.Set_bfSize(value: integer);
begin
end;
procedure TObjBitMap.Set_bfType(value: string='');
begin
FileSeek(IndFile,0,0);
FileRead(IndFile,Buffer,2);
pbfType:=char(Buffer[0])+char(Buffer[1]);
end;
//if ObjBitMap.bfType<>'ВМ' then application.MessageBox('Файл не растровый', 'ВНИМАНИЕ', 0)
procedure TObjBitMap.Set_biBitCount(value: integer);
begin
end;
procedure TObjBitMap.Set_biHeight(value: integer);
begin
end;
procedure TObjBitMap.Set_biWidth(value: integer=0);
begin
FileSeek(IndFile,18,0);
FileRead(IndFile, Buffer, 4);
pbiWidth := Buffer[3] shl 24 + Buffer[2] shl 16+
Buffer[1] shl 8 + Buffer[0];
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if OpenPictureDialog1.Execute then
Image1.Picture.LoadFromFile(OpenPictureDialog1.FileName);
Label1.Caption :=
'Тип : ' +ObjBitMap.bfType+#13+#10+
'paзмep : ' +IntToStr(ObjBitMap.bfSize)+' бaйт '+#13+#10+
'Шиpинa : ' +IntToStr(ObjBitMap.biWidth)+' '+
'Высoтa : ' +IntToStr(ObjBitMap.biHeight)+#13+#10+
'Числo бит нa пиксeль:' + IntToStr(ObjBitMap.biBitCount);
// Label1.Caption := 'Ширина : ' + IntToStr(Image1.Width)+' ' +
// 'Высота : ' + IntToStr(Image1.Height)+' ';
end;
end.
Простой
Средний
