releases/0.11a/Unit5_preview.pas

UNIT Unit5_preview;
INTERFACE
USES
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Math, ExtCtrls, Unit2_functions, Unit3_data, Unit4_exporters, Unit6_imgfuncs,
  StdCtrls;

TYPE
  TForm5 = Class(TForm)
    img: TImage;
    timer: TTimer;
    panel_buttons: TPanel;
    btn_dec: TButton;
    btn_startstop: TButton;
    btn_inc: TButton;
    procedure btn_incClick(Sender: TObject);
    procedure btn_decClick(Sender: TObject);
    procedure FormResize(Sender: TObject);
    procedure btn_startstopClick(Sender: TObject);
    PROCEDURE panel_buttonsResize(Sender: TObject);
    PROCEDURE timerTimer(Sender: TObject);
    PROCEDURE FormCreate(Sender: TObject);
    PROCEDURE FormCloseQuery(Sender: TObject; var CanClose: Boolean);
    PROCEDURE ShowPreview(fileid:LongWord);
  PRIVATE
  PUBLIC
  END;

VAR
  Form5: TForm5;

IMPLEMENTATION
{$R *.dfm}
USES Unit1_main;
VAR
  memstreams:Array OF TMemoryStream;
  actualimg:Byte;
  _fileid:LongWord;

PROCEDURE PreviewTXMP;
  VAR
    data:Tdata;
    img:TImgPackage;
  BEGIN
    {
    tempdata:=ResizeImage(imgx,imgy,imgdepth,tempdata);
    imgx:=imgx DIV 2;
    imgy:=imgy DIV 2;
    datasize:=datasize DIV 4;
    }
    SetLength(memstreams,1);
    img:=LoadImgData(_fileid);
    data:=ImgdataToBmp(img.imgx,img.imgy,img.imgdepth,img.storetype,img.imgdata);

    memstreams[0].Clear;
    memstreams[0].Write(data[0],Length(data));
    memstreams[0].Seek(0,soFromBeginning);

    Form5.img.Picture.Bitmap.LoadFromStream(memstreams[0]);
  END;

PROCEDURE PreviewTXAN;
  VAR
    loop_speed:Word;
    linkcount:LongWord;
    link:LongWord;
    i:Byte;
    data:Tdata;
    img:TImgPackage;
  BEGIN
    LoadDatFilePart(_fileid,$14,SizeOf(loop_speed),@loop_speed);
    LoadDatFilePart(_fileid,$1C,SizeOf(linkcount),@linkcount);
    SetLength(memstreams,linkcount);
    FOR i:=0 TO linkcount-1 DO BEGIN
      LoadDatFilePart(_fileid,$20+i*4,SizeOf(link),@link);
      link:=link DIV 256;
      IF link=0 THEN link:=_fileid-1;
      memstreams[i]:=TMemoryStream.Create;
      img:=LoadImgData(link);
      data:=ImgdataToBmp(img.imgx,img.imgy,img.imgdepth,img.storetype,img.imgdata);
      memstreams[i].Clear;
      memstreams[i].Write(data[0],Length(data));
      memstreams[i].Seek(0,soFromBeginning);
    END;
    actualimg:=254;
    Form5.timer.Interval:=Floor(loop_speed*(1/60)*1000);
    Form5.timer.Enabled:=False;
    Form5.btn_startstopClick(Form5); 
    Form5.panel_buttons.Visible:=True;
  END;

PROCEDURE TForm5.ShowPreview(fileid:LongWord);
  BEGIN
    _fileid:=fileid;
    Form5.timer.Enabled:=False;
    Form5.panel_buttons.Visible:=False;
    Form5.Caption:='Preview '+dat_files[_fileid].FileName;
    IF dat_files[fileid].Extension='TXMP' THEN PreviewTXMP;
    IF dat_files[fileid].Extension='TXAN' THEN PreviewTXAN;
  END;

PROCEDURE TForm5.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
  BEGIN
    CanClose:=False;
    Form1.menu_preview.Checked:=False;
    Form5.Visible:=False;
  END;

PROCEDURE TForm5.FormCreate(Sender: TObject);
  BEGIN
    SetLength(memstreams,1);
    memstreams[0]:=TMemoryStream.Create;
    Form5.Width:=170;
    Form5.Height:=200;
  END;

PROCEDURE TForm5.timerTimer(Sender: TObject);
  BEGIN
    Inc(actualimg);
    IF actualimg>=Length(memstreams) THEN actualimg:=0;
    Form5.img.Picture.Bitmap.LoadFromStream(memstreams[actualimg]);
    memstreams[actualimg].Seek(0,soFromBeginning);
    Form5.Caption:='Preview '+dat_files[_fileid].FileName+' ('+IntToStr(actualimg+1)+'/'+IntToStr(Length(memstreams))+')';
  END;

PROCEDURE TForm5.panel_buttonsResize(Sender: TObject);
  BEGIN
    btn_startstop.Width:=panel_buttons.Width-45;
    btn_inc.Left:=panel_buttons.Width-23;
  END;

PROCEDURE TForm5.btn_startstopClick(Sender: TObject);
  BEGIN
    Form5.timer.Enabled:=NOT Form5.timer.Enabled;
    Form5.btn_dec.Enabled:=NOT Form5.timer.Enabled;
    Form5.btn_inc.Enabled:=NOT Form5.timer.Enabled;
    IF Form5.timer.Enabled THEN
      Form5.btn_startstop.Caption:='Stop automatic'
    ELSE
      Form5.btn_startstop.Caption:='Start automatic';
  END;

PROCEDURE TForm5.FormResize(Sender: TObject);
  BEGIN
    IF Form5.Width>=150 THEN BEGIN
    END ELSE Form5.Width:=150;
    IF Form5.Height>=150 THEN BEGIN
    END ELSE Form5.Height:=150;
  END;

PROCEDURE TForm5.btn_decClick(Sender: TObject);
  BEGIN
    IF actualimg>0 THEN
      Dec(actualimg)
    ELSE
      actualimg:=High(memstreams);
    Form5.Caption:='Preview '+dat_files[_fileid].FileName+' ('+IntToStr(actualimg+1)+'/'+IntToStr(Length(memstreams))+')';
    Form5.img.Picture.Bitmap.LoadFromStream(memstreams[actualimg]);
    memstreams[actualimg].Seek(0,soFromBeginning);
  END;

PROCEDURE TForm5.btn_incClick(Sender: TObject);
  BEGIN
    IF actualimg<High(memstreams) THEN
      Inc(actualimg)
    ELSE
      actualimg:=0;
    Form5.Caption:='Preview '+dat_files[_fileid].FileName+' ('+IntToStr(actualimg+1)+'/'+IntToStr(Length(memstreams))+')';
    Form5.img.Picture.Bitmap.LoadFromStream(memstreams[actualimg]);
    memstreams[actualimg].Seek(0,soFromBeginning);
  END;

END.
Revision:	19
Committed:	Sat Aug 26 19:09:43 2006 UTC (19 years, 1 month ago) by alloc
Content type:	text/x-pascal
File size:	5249 byte(s)
Log Message:
#	Content
1	UNIT Unit5_preview;
2	INTERFACE
3	USES
4	Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
5	Dialogs, Math, ExtCtrls, Unit2_functions, Unit3_data, Unit4_exporters, Unit6_imgfuncs,
6	StdCtrls;
7
8	TYPE
9	TForm5 = Class(TForm)
10	img: TImage;
11	timer: TTimer;
12	panel_buttons: TPanel;
13	btn_dec: TButton;
14	btn_startstop: TButton;
15	btn_inc: TButton;
16	procedure btn_incClick(Sender: TObject);
17	procedure btn_decClick(Sender: TObject);
18	procedure FormResize(Sender: TObject);
19	procedure btn_startstopClick(Sender: TObject);
20	PROCEDURE panel_buttonsResize(Sender: TObject);
21	PROCEDURE timerTimer(Sender: TObject);
22	PROCEDURE FormCreate(Sender: TObject);
23	PROCEDURE FormCloseQuery(Sender: TObject; var CanClose: Boolean);
24	PROCEDURE ShowPreview(fileid:LongWord);
25	PRIVATE
26	PUBLIC
27	END;
28
29	VAR
30	Form5: TForm5;
31
32	IMPLEMENTATION
33	{$R *.dfm}
34	USES Unit1_main;
35	VAR
36	memstreams:Array OF TMemoryStream;
37	actualimg:Byte;
38	_fileid:LongWord;
39
40	PROCEDURE PreviewTXMP;
41	VAR
42	data:Tdata;
43	img:TImgPackage;
44	BEGIN
45	{
46	tempdata:=ResizeImage(imgx,imgy,imgdepth,tempdata);
47	imgx:=imgx DIV 2;
48	imgy:=imgy DIV 2;
49	datasize:=datasize DIV 4;
50	}
51	SetLength(memstreams,1);
52	img:=LoadImgData(_fileid);
53	data:=ImgdataToBmp(img.imgx,img.imgy,img.imgdepth,img.storetype,img.imgdata);
54
55	memstreams[0].Clear;
56	memstreams[0].Write(data[0],Length(data));
57	memstreams[0].Seek(0,soFromBeginning);
58
59	Form5.img.Picture.Bitmap.LoadFromStream(memstreams[0]);
60	END;
61
62	PROCEDURE PreviewTXAN;
63	VAR
64	loop_speed:Word;
65	linkcount:LongWord;
66	link:LongWord;
67	i:Byte;
68	data:Tdata;
69	img:TImgPackage;
70	BEGIN
71	LoadDatFilePart(_fileid,$14,SizeOf(loop_speed),@loop_speed);
72	LoadDatFilePart(_fileid,$1C,SizeOf(linkcount),@linkcount);
73	SetLength(memstreams,linkcount);
74	FOR i:=0 TO linkcount-1 DO BEGIN
75	LoadDatFilePart(_fileid,$20+i*4,SizeOf(link),@link);
76	link:=link DIV 256;
77	IF link=0 THEN link:=_fileid-1;
78	memstreams[i]:=TMemoryStream.Create;
79	img:=LoadImgData(link);
80	data:=ImgdataToBmp(img.imgx,img.imgy,img.imgdepth,img.storetype,img.imgdata);
81	memstreams[i].Clear;
82	memstreams[i].Write(data[0],Length(data));
83	memstreams[i].Seek(0,soFromBeginning);
84	END;
85	actualimg:=254;
86	Form5.timer.Interval:=Floor(loop_speed(1/60)1000);
87	Form5.timer.Enabled:=False;
88	Form5.btn_startstopClick(Form5);
89	Form5.panel_buttons.Visible:=True;
90	END;
91
92	PROCEDURE TForm5.ShowPreview(fileid:LongWord);
93	BEGIN
94	_fileid:=fileid;
95	Form5.timer.Enabled:=False;
96	Form5.panel_buttons.Visible:=False;
97	Form5.Caption:='Preview '+dat_files[_fileid].FileName;
98	IF dat_files[fileid].Extension='TXMP' THEN PreviewTXMP;
99	IF dat_files[fileid].Extension='TXAN' THEN PreviewTXAN;
100	END;
101
102	PROCEDURE TForm5.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
103	BEGIN
104	CanClose:=False;
105	Form1.menu_preview.Checked:=False;
106	Form5.Visible:=False;
107	END;
108
109	PROCEDURE TForm5.FormCreate(Sender: TObject);
110	BEGIN
111	SetLength(memstreams,1);
112	memstreams[0]:=TMemoryStream.Create;
113	Form5.Width:=170;
114	Form5.Height:=200;
115	END;
116
117	PROCEDURE TForm5.timerTimer(Sender: TObject);
118	BEGIN
119	Inc(actualimg);
120	IF actualimg>=Length(memstreams) THEN actualimg:=0;
121	Form5.img.Picture.Bitmap.LoadFromStream(memstreams[actualimg]);
122	memstreams[actualimg].Seek(0,soFromBeginning);
123	Form5.Caption:='Preview '+dat_files[_fileid].FileName+' ('+IntToStr(actualimg+1)+'/'+IntToStr(Length(memstreams))+')';
124	END;
125
126	PROCEDURE TForm5.panel_buttonsResize(Sender: TObject);
127	BEGIN
128	btn_startstop.Width:=panel_buttons.Width-45;
129	btn_inc.Left:=panel_buttons.Width-23;
130	END;
131
132	PROCEDURE TForm5.btn_startstopClick(Sender: TObject);
133	BEGIN
134	Form5.timer.Enabled:=NOT Form5.timer.Enabled;
135	Form5.btn_dec.Enabled:=NOT Form5.timer.Enabled;
136	Form5.btn_inc.Enabled:=NOT Form5.timer.Enabled;
137	IF Form5.timer.Enabled THEN
138	Form5.btn_startstop.Caption:='Stop automatic'
139	ELSE
140	Form5.btn_startstop.Caption:='Start automatic';
141	END;
142
143	PROCEDURE TForm5.FormResize(Sender: TObject);
144	BEGIN
145	IF Form5.Width>=150 THEN BEGIN
146	END ELSE Form5.Width:=150;
147	IF Form5.Height>=150 THEN BEGIN
148	END ELSE Form5.Height:=150;
149	END;
150
151	PROCEDURE TForm5.btn_decClick(Sender: TObject);
152	BEGIN
153	IF actualimg>0 THEN
154	Dec(actualimg)
155	ELSE
156	actualimg:=High(memstreams);
157	Form5.Caption:='Preview '+dat_files[_fileid].FileName+' ('+IntToStr(actualimg+1)+'/'+IntToStr(Length(memstreams))+')';
158	Form5.img.Picture.Bitmap.LoadFromStream(memstreams[actualimg]);
159	memstreams[actualimg].Seek(0,soFromBeginning);
160	END;
161
162	PROCEDURE TForm5.btn_incClick(Sender: TObject);
163	BEGIN
164	IF actualimg<High(memstreams) THEN
165	Inc(actualimg)
166	ELSE
167	actualimg:=0;
168	Form5.Caption:='Preview '+dat_files[_fileid].FileName+' ('+IntToStr(actualimg+1)+'/'+IntToStr(Length(memstreams))+')';
169	Form5.img.Picture.Bitmap.LoadFromStream(memstreams[actualimg]);
170	memstreams[actualimg].Seek(0,soFromBeginning);
171	END;
172
173	END.