unit umodify;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, StdCtrls, Spin;

type
  TForm3 = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    SpinEdit1: TSpinEdit;
    SpinEdit2: TSpinEdit;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Bevel1: TBevel;
    ScrollBox1: TScrollBox;
    Label3: TLabel;
    SpinEdit3: TSpinEdit;
    OpenDialog1: TOpenDialog;
    Button5: TButton;
    Button6: TButton;
    SaveDialog1: TSaveDialog;
    Label4: TLabel;
    Edit1: TEdit;
    Image1: TImage;
    procedure Button2Click(Sender: TObject);
    procedure SpinEdit1Change(Sender: TObject);
    procedure SpinEdit2Change(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure makegrid(w, h: integer);
    procedure Button4Click(Sender: TObject);
    procedure streamToBmp(Stream: TStream; const Width, Height,
      ColorDepth, OffBits: Integer; Bmp: TBitmap);
    procedure Button1Click(Sender: TObject);
    procedure Button6Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    id, dw, dh: integer;
    mbmp: tbitmap;
    uclear: boolean;
    PRowCount, PColCount, cellwidth, cellheight: integer;
  end;

var
  Form3: TForm3;

implementation

uses umain;

{$R *.dfm}

procedure TForm3.Button2Click(Sender: TObject);
begin
  CLOSE;
end;

procedure TForm3.SpinEdit1Change(Sender: TObject);
begin
  if SpinEdit1.Value = 0 then
    Image1.Visible := false else
  begin
    PColCount := SpinEdit1.Value;
    mbmp.Width := SpinEdit1.Value;
    if Form3.Showing then
    makegrid(SpinEdit1.Value, SpinEdit2.Value);
  end;
end;

procedure TForm3.SpinEdit2Change(Sender: TObject);
begin
  if SpinEdit2.Value = 0 then
    Image1.Visible := false else
  begin
    pRowCount := SpinEdit2.Value;
    mbmp.Height := SpinEdit2.Value;
    if Form3.Showing then
    makegrid(SpinEdit1.Value, SpinEdit2.Value);
  end;
end;

procedure TForm3.Button3Click(Sender: TObject);
var
  ms: TMemoryStream;
  FileHeader: TBitmapFileHeader;
  InfoHeader: TBitmapInfoHeader;
  tmpBmp: tbitmap;
begin
  if OpenDialog1.Execute then
  begin
    uclear := true;
    ms := TMemoryStream.Create;
    tmpBmp := TBitmap.Create;
    tmpBmp.PixelFormat := pf24bit;
    tmpBmp.Canvas.Lock;

    ms.LoadFromFile(OpenDialog1.FileName);
    ms.Read(FileHeader, SizeOf(TBitmapFileHeader));
    ms.Read(InfoHeader, SizeOf(TBitmapInfoHeader));
    tmpBmp.Width := InfoHeader.biWidth;
    tmpBmp.Height := InfoHeader.biheight;
    tmpBmp.Canvas.Brush.Color := clBlack;
    tmpBmp.Canvas.FillRect(Rect(0, 0, tmpBmp.Width, tmpBmp.Height));
    streamToBmp(ms, tmpBmp.Width, tmpBmp.height, InfoHeader.biBitCount, FileHeader.bfOffBits, tmpBmp);

    mbmp.Width := SpinEdit1.Value;
    mbmp.Height := SpinEdit2.Value;
    mbmp.Canvas.Lock;
    mbmp.Canvas.Brush.Color := clBlack;
    mbmp.Canvas.FillRect(Rect(0, 0, mbmp.Width, mbmp.Height));
    mbmp.Canvas.StretchDraw(Rect(0, 0, mbmp.Width, mbmp.Height), tmpBmp);
    mbmp.Canvas.Unlock;
    tmpBmp.Canvas.Unlock;
    FreeAndNil(tmpBmp);
    FreeAndNil(ms);
    makegrid(SpinEdit1.Value, SpinEdit2.Value);
  end;
end;

procedure TForm3.FormCreate(Sender: TObject);
begin
  mbmp := TBitmap.Create;
  mbmp.PixelFormat := pf24bit;
  uclear := false;
end;

procedure TForm3.FormShow(Sender: TObject);
begin
  if Form1.editmode = 1 then
  begin
    makegrid(Form1.fontlist[SpinEdit3.Value].width,
      Form1.fontlist[SpinEdit3.Value].height);
  end else if Form1.editmode = 2 then
  begin
    makegrid(Form1.bitmaplist[SpinEdit3.Value].width,
      Form1.bitmaplist[SpinEdit3.Value].height);
  end;
end;

procedure TForm3.Button5Click(Sender: TObject);
begin
  uclear := false;
  SpinEdit1.Value := dw;
  SpinEdit2.Value := dh;
  makegrid(dw, dh);
end;

procedure TForm3.makegrid(w, h: integer);
var
  i, j, x, y: integer;
  p: PByteArray;
  Frame: trect;
  bmp: tbitmap;
  r,g:byte;
begin
  if uclear = false then
  begin
    mbmp.Width := w;
    mbmp.height := h;
    mbmp.Canvas.Brush.Color := clblack;
    mbmp.Canvas.FillRect(rect(0, 0, mbmp.Width, mbmp.height));
    if form1.editmode = 1 then
      mbmp.Canvas.Draw(0, 0, Form1.fontlist[SpinEdit3.Value].bmplist) else
      if form1.editmode = 2 then
        mbmp.Canvas.Draw(0, 0, Form1.bitmaplist[SpinEdit3.Value].bmplist);
  end;
  Image1.Visible := true;
  //¼ÓÈëpaintbox ·Ö¿éÏÔʾ
  Image1.Width := w * form1.pixelsrule + 1;
  Image1.height := h * form1.pixelsrule + 1;

  bmp := TBitmap.Create;
  bmp.PixelFormat := pf24bit;
  bmp.Width := Image1.Width;
  bmp.height := Image1.height;
  bmp.Canvas.Brush.Color := rgb(64, 64, 64);
  bmp.Canvas.FillRect(Rect(0, 0, bmp.Width, bmp.height));
  PColCount := w;
  PRowCount := h;

  // Calculate grid cell size
  CellWidth := form1.pixelsrule;
  CellHeight := form1.pixelsrule;

  y := 0;
  for i := 0 to mbmp.height - 1 do
  begin
    p := mbmp.ScanLine[i];
    x := 0;
    for j := 0 to mbmp.Width - 1 do
    begin
      Frame.Left := x;
      Frame.Right := x + CellWidth;
      Frame.Top := y;
      Frame.Bottom := y + CellHeight;
      DrawEdge(bmp.Canvas.Handle, Frame, BDR_SUNKENINNER, BF_ADJUST or BF_LEFT);
      DrawEdge(bmp.Canvas.Handle, Frame, BDR_SUNKENINNER, BF_ADJUST or BF_top);
      if p[j * 3 + 2]>=128 then
      r:=255 else r:=0;
      if p[j * 3 + 1]>=128 then
      g:=255 else g:=0;
      bmp.Canvas.Brush.Color := rgb(r, g, 0);
      bmp.Canvas.FillRect(Frame);
      inc(x, CellWidth);
    end;
    inc(y, CellHeight);
  end;
  Image1.Picture.Bitmap := bmp;
  bmp.Free;
end;

procedure TForm3.Button4Click(Sender: TObject);
begin
  uclear := true;
  mbmp.Width := SpinEdit1.Value;
  mbmp.height := SpinEdit2.Value;
  mbmp.Canvas.Brush.Color := clblack;
  mbmp.Canvas.FillRect(rect(0, 0, mbmp.Width, mbmp.height));
  makegrid(SpinEdit1.Value, SpinEdit2.Value);
end;

procedure TForm3.streamToBmp(Stream: TStream; const Width, Height,
  ColorDepth, OffBits: Integer; Bmp: TBitmap);
var
  RemLen, DataLen, i: Integer;
begin
  case ColorDepth of
    1:
      begin
        Bmp.PixelFormat := pf1Bit;
        DataLen := (Width + 7) shr 3;
      end;
    4:
      begin
        Bmp.PixelFormat := pf4Bit;
        DataLen := (Width + 1) shr 1;
      end;
    8:
      begin
        Bmp.PixelFormat := pf8Bit;
        DataLen := Width;
      end;
    15:
      begin
        Bmp.PixelFormat := pf15Bit;
        DataLen := Width shl 1;
      end;
    16:
      begin
        Bmp.PixelFormat := pf16Bit;
        DataLen := Width shl 1;
      end;
    24:
      begin
        Bmp.PixelFormat := pf24Bit;
        DataLen := Width shl 1 + Width;
      end;
    32:
      begin
        Bmp.PixelFormat := pf32Bit;
        DataLen := Width shl 2;
      end;
  end;
  Bmp.Width := Width;
  Bmp.Height := Height;
  RemLen := (DataLen + 3) shr 2 shl 2; //- DataLen;
  for i := 0 to Height - 1 do
  begin
    Stream.Position := OffBits + RemLen * (Height - 1 - i);
    Stream.Read(Bmp.ScanLine[i]^, DataLen);
  end;
end;

procedure TForm3.Button1Click(Sender: TObject);
begin
  if Form1.editmode = 1 then
  begin
    if MessageBox(Application.Handle, 'Do You Want to Modify Selected Font?', 'Modify Hint', MB_OKCANCEL + MB_ICONINFORMATION) = MrOK then
    begin
      Form1.AdvStringGrid2.Cells[2, id + 1] := inttostr(id);
      Form1.AdvStringGrid2.Cells[3, id + 1] := inttostr(SpinEdit1.Value);
      Form1.AdvStringGrid2.Cells[4, id + 1] := inttostr(SpinEdit2.Value);

      Form1.fontlist[id].width := SpinEdit1.Value;
      Form1.fontlist[id].height := SpinEdit2.Value;
      if Form1.fontlist[id].bmplist <> nil then
        Form1.fontlist[id].bmplist.Free;

      Form1.fontlist[id].bmplist := TBitmap.Create;
      Form1.fontlist[id].bmplist.PixelFormat := pf24bit;
      Form1.fontlist[id].bmplist.Width := SpinEdit1.Value;
      Form1.fontlist[id].bmplist.height := SpinEdit2.Value;
      Form1.fontlist[id].bmplist.Canvas.Brush.Color := clBlack;
      Form1.fontlist[id].bmplist.Canvas.FillRect(Rect(0, 0, SpinEdit1.Value, SpinEdit2.Value));
      Form1.fontlist[id].bmplist.Canvas.Draw(0, 0, mbmp);

      Form1.AdvStringGrid2Click(sender);
      close;
    end;
  end else if Form1.editmode = 2 then
  begin
    if MessageBox(Application.Handle, 'Do You Want to Modify Selected Bitmwp?', 'Modify Hint', MB_OKCANCEL + MB_ICONINFORMATION) = MrOK then
    begin
      Form1.AdvStringGrid2.Cells[2, id + 1] := edit1.Text;
      Form1.AdvStringGrid2.Cells[3, id + 1] := inttostr(SpinEdit1.Value);
      Form1.AdvStringGrid2.Cells[4, id + 1] := inttostr(SpinEdit2.Value);

      Form1.bitmaplist[id].width := SpinEdit1.Value;
      Form1.bitmaplist[id].height := SpinEdit2.Value;
      if Form1.bitmaplist[id].bmplist <> nil then
        Form1.bitmaplist[id].bmplist.Free;

      Form1.bitmaplist[id].bmplist := TBitmap.Create;
      Form1.bitmaplist[id].bmplist.PixelFormat := pf24bit;
      Form1.bitmaplist[id].bmplist.Width := SpinEdit1.Value;
      Form1.bitmaplist[id].bmplist.height := SpinEdit2.Value;
      Form1.bitmaplist[id].bmplist.Canvas.Brush.Color := clBlack;
      Form1.bitmaplist[id].bmplist.Canvas.FillRect(Rect(0, 0, SpinEdit1.Value, SpinEdit2.Value));
      Form1.bitmaplist[id].bmplist.Canvas.Draw(0, 0, mbmp);

      Form1.AdvStringGrid2Click(sender);
      close;
    end;
  end;
end;

procedure TForm3.Button6Click(Sender: TObject);
begin
  if SaveDialog1.Execute then
    mbmp.SaveToFile(SaveDialog1.FileName);
end;

end.