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unit frm_main;
{$mode objfpc}{$H+}
interface
uses
SysUtils, Classes, fpg_base, fpg_main, fpg_form, fpg_memo, fpg_menu,
fpg_button, fpg_editbtn, fpg_label;
type
TMainForm = class(TfpgForm)
private
{@VFD_HEAD_BEGIN: MainForm}
MainMenu: TfpgMenuBar;
FilenameEdit1: TfpgFileNameEdit;
memImages: TfpgMemo;
Button1: TfpgButton;
pmFile: TfpgPopupMenu;
btnClear: TfpgButton;
Label1: TfpgLabel;
{@VFD_HEAD_END: MainForm}
procedure miFileQuit(Sender: TObject);
procedure MemoDragEnter(Sender, Source: TObject; AMimeList: TStringList;
var AMimeChoice: TfpgString; var ADropAction: TfpgDropAction;
var Accept: Boolean);
procedure MemoDragDrop(Sender, Source: TObject; X, Y: integer; AData: variant);
function ConvertImage(const AFileName: string): string;
procedure btnClearClicked(Sender: TObject);
public
procedure AfterCreate; override;
end;
{@VFD_NEWFORM_DECL}
implementation
uses
fpg_utils;
{@VFD_NEWFORM_IMPL}
procedure TMainForm.miFileQuit(Sender: TObject);
begin
Close;
end;
procedure TMainForm.MemoDragEnter(Sender, Source: TObject;
AMimeList: TStringList; var AMimeChoice: TfpgString;
var ADropAction: TfpgDropAction; var Accept: Boolean);
var
s: string;
begin
s := 'text/uri-list'; // 'text/plain';
Accept := AMimeList.IndexOf(s) > -1;
if Accept then
begin
if AMimeChoice <> s then
AMimeChoice := s;
end;
end;
procedure TMainForm.MemoDragDrop(Sender, Source: TObject; X, Y: integer;
AData: variant);
var
fileName: string;
sl: TStringList;
i: integer;
begin
sl := TStringList.Create;
try
sl.Text := AData;
memImages.BeginUpdate;
for i := 0 to sl.Count-1 do
begin
fileName := sl[i];
fileName := StringReplace(fileName, 'file://', '', []);
memImages.Text := memImages.Text + ConvertImage(fileName);
end;
finally
memImages.EndUpdate;
sl.Free;
end;
end;
function TMainForm.ConvertImage(const AFileName: string): string;
const
Prefix = ' ';
MaxLineLength = 72;
var
InStream: TFileStream;
I, Count: longint;
b: byte;
Line, ToAdd: String;
ConstName: string;
procedure WriteStr(const St: string);
begin
Result := Result + St;
end;
procedure WriteStrLn(const St: string);
begin
Result := Result + St + LineEnding;
end;
begin
InStream := TFileStream.Create(AFileName, fmOpenRead);
try
ConstName := 'newimg_' + ChangeFileExt(fpgExtractFileName(AFileName), '');
WriteStrLn('');
WriteStrLn('const');
InStream.Seek(0, soFromBeginning);
Count := InStream.Size;
WriteStrLn(Format(' %s: array[0..%d] of byte = (',[ConstName, Count-1]));
Line := Prefix;
for I := 1 to Count do
begin
InStream.Read(B, 1);
ToAdd := Format('%3d',[b]);
if I < Count then
ToAdd := ToAdd + ',';
Line := Line + ToAdd;
if Length(Line) >= MaxLineLength then
begin
WriteStrLn(Line);
Line := PreFix;
end;
end; { for }
WriteStrln(Line+');');
WriteStrLn('');
finally
InStream.Free;
end;
end;
procedure TMainForm.btnClearClicked(Sender: TObject);
begin
memImages.Text := '';
end;
procedure TMainForm.AfterCreate;
begin
{%region 'Auto-generated GUI code' -fold}
{@VFD_BODY_BEGIN: MainForm}
Name := 'MainForm';
SetPosition(357, 227, 630, 378);
WindowTitle := 'Image Conversion Tool';
Hint := '';
DNDEnabled := True;
MainMenu := TfpgMenuBar.Create(self);
with MainMenu do
begin
Name := 'MainMenu';
SetPosition(0, 0, 630, 24);
Anchors := [anLeft,anRight,anTop];
end;
FilenameEdit1 := TfpgFileNameEdit.Create(self);
with FilenameEdit1 do
begin
Name := 'FilenameEdit1';
SetPosition(4, 44, 384, 24);
ExtraHint := '';
FileName := '';
Filter := '';
InitialDir := '';
TabOrder := 3;
end;
memImages := TfpgMemo.Create(self);
with memImages do
begin
Name := 'memImages';
SetPosition(4, 88, 622, 286);
Anchors := [anLeft,anRight,anTop,anBottom];
FontDesc := '#Edit2';
Hint := '';
TabOrder := 5;
AcceptDrops := True;
OnDragEnter := @MemoDragEnter;
OnDragDrop := @MemoDragDrop;
end;
Button1 := TfpgButton.Create(self);
with Button1 do
begin
Name := 'Button1';
SetPosition(396, 44, 80, 24);
Text := 'Button';
FontDesc := '#Label1';
Hint := '';
ImageName := '';
TabOrder := 4;
end;
pmFile := TfpgPopupMenu.Create(self);
with pmFile do
begin
Name := 'pmFile';
SetPosition(236, 128, 120, 20);
AddMenuItem('Add File...', '', nil);
AddMenuItem('-', '', nil);
AddMenuItem('Quit', 'Ctrl+Q', @miFileQuit);
end;
btnClear := TfpgButton.Create(self);
with btnClear do
begin
Name := 'btnClear';
SetPosition(543, 44, 80, 24);
Anchors := [anRight,anTop];
Text := 'Clear';
FontDesc := '#Label1';
Hint := '';
ImageName := '';
TabOrder := 6;
OnClick := @btnClearClicked;
end;
Label1 := TfpgLabel.Create(self);
with Label1 do
begin
Name := 'Label1';
SetPosition(4, 72, 619, 16);
Anchors := [anLeft,anRight,anTop];
FontDesc := '#Label1';
Hint := '';
Text := 'Drop one or more images on the text area below:';
end;
{@VFD_BODY_END: MainForm}
MainMenu.AddMenuItem('File', nil).SubMenu := pmFile;
{%endregion}
end;
end.
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