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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | daniel-mar | 1 | unit DXPictEdit; |
| 2 | |||
| 3 | interface |
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| 4 | |||
| 5 | uses |
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| 6 | Windows, SysUtils, Classes, Forms, Dialogs, Controls, StdCtrls, ExtCtrls, |
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| 7 | ExtDlgs, DIB, Menus, Graphics, Clipbrd; |
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| 8 | |||
| 9 | type |
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| 10 | |||
| 11 | { TDelphiXDIBEditForm } |
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| 12 | |||
| 13 | TDelphiXPictureEditForm = class(TForm) |
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| 14 | LoadButton: TButton; |
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| 15 | SaveButton: TButton; |
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| 16 | ClearButton: TButton; |
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| 17 | OKButton: TButton; |
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| 18 | CancelButton: TButton; |
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| 19 | Panel1: TPanel; |
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| 20 | Bevel1: TBevel; |
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| 21 | NoneLabel: TLabel; |
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| 22 | Shape: TShape; |
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| 23 | SizeLabel: TLabel; |
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| 24 | BitCountLabel: TLabel; |
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| 25 | Bevel2: TBevel; |
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| 26 | OpenDialog: TOpenPictureDialog; |
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| 27 | SaveDialog: TSavePictureDialog; |
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| 28 | BitSizeLabel: TLabel; |
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| 29 | ViewBox: TImage; |
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| 30 | ConvertToDIB: TButton; |
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| 31 | ClassNameLabel: TLabel; |
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| 32 | PopupMenu1: TPopupMenu; |
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| 33 | geConvertColor: TMenuItem; |
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| 34 | N15: TMenuItem; |
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| 35 | N41: TMenuItem; |
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| 36 | N21: TMenuItem; |
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| 37 | N22: TMenuItem; |
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| 38 | geGreyscale: TMenuItem; |
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| 39 | N11: TMenuItem; |
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| 40 | N12: TMenuItem; |
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| 41 | N13: TMenuItem; |
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| 42 | N14: TMenuItem; |
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| 43 | geNegative: TMenuItem; |
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| 44 | N1: TMenuItem; |
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| 45 | geCompress: TMenuItem; |
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| 46 | geDecompress: TMenuItem; |
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| 47 | N3: TMenuItem; |
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| 48 | geCopy: TMenuItem; |
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| 49 | gePaste: TMenuItem; |
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| 50 | procedure OKButtonClick(Sender: TObject); |
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| 51 | procedure CancelButtonClick(Sender: TObject); |
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| 52 | procedure LoadButtonClick(Sender: TObject); |
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| 53 | procedure SaveButtonClick(Sender: TObject); |
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| 54 | procedure ClearButtonClick(Sender: TObject); |
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| 55 | procedure FormShow(Sender: TObject); |
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| 56 | procedure geGreyscaleClick(Sender: TObject); |
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| 57 | procedure geNegativeClick(Sender: TObject); |
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| 58 | procedure geConvertColorClick(Sender: TObject); |
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| 59 | procedure geCompressClick(Sender: TObject); |
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| 60 | procedure geDecompressClick(Sender: TObject); |
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| 61 | procedure ConvertToDIBClick(Sender: TObject); |
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| 62 | procedure geCopyClick(Sender: TObject); |
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| 63 | procedure gePasteClick(Sender: TObject); |
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| 64 | procedure PopupMenu1Popup(Sender: TObject); |
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| 65 | private |
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| 66 | FChanged: Boolean; |
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| 67 | procedure UpdateData; |
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| 68 | public |
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| 69 | DIBClassOnly: Boolean; |
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| 70 | end; |
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| 71 | |||
| 72 | var |
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| 73 | DelphiXPictureEditForm: TDelphiXPictureEditForm; |
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| 74 | |||
| 75 | implementation |
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| 76 | |||
| 77 | uses DXConsts; |
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| 78 | |||
| 79 | {$R *.DFM} |
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| 80 | |||
| 81 | { TDelphiXDIBEditForm } |
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| 82 | |||
| 83 | procedure TDelphiXPictureEditForm.FormShow(Sender: TObject); |
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| 84 | begin |
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| 85 | ConvertToDIB.Visible := not DIBClassOnly; |
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| 86 | UpDateData; |
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| 87 | CancelButton.SetFocus; |
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| 88 | end; |
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| 89 | |||
| 90 | procedure TDelphiXPictureEditForm.OKButtonClick(Sender: TObject); |
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| 91 | begin |
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| 92 | if FChanged then |
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| 93 | Tag := 1; |
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| 94 | Close; |
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| 95 | end; |
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| 96 | |||
| 97 | procedure TDelphiXPictureEditForm.CancelButtonClick(Sender: TObject); |
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| 98 | begin |
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| 99 | Close; |
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| 100 | end; |
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| 101 | |||
| 102 | procedure TDelphiXPictureEditForm.ClearButtonClick(Sender: TObject); |
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| 103 | begin |
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| 104 | FChanged := True; |
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| 105 | |||
| 106 | ViewBox.Picture.Graphic := nil; |
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| 107 | UpDateData; |
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| 108 | end; |
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| 109 | |||
| 110 | procedure TDelphiXPictureEditForm.LoadButtonClick(Sender: TObject); |
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| 111 | var |
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| 112 | DIB: TDIB; |
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| 113 | begin |
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| 114 | if DIBClassOnly then |
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| 115 | begin |
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| 116 | OpenDialog.Filter := GraphicFilter(TGraphic); |
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| 117 | |||
| 118 | if OpenDialog.Execute then |
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| 119 | begin |
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| 120 | FChanged := True; |
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| 121 | |||
| 122 | try |
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| 123 | DIB := TDIB.Create; |
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| 124 | try |
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| 125 | DIB.LoadFromFile(OpenDialog.FileName); |
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| 126 | ViewBox.Picture.Graphic := DIB; |
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| 127 | finally |
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| 128 | DIB.Free; |
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| 129 | end; |
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| 130 | except |
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| 131 | ViewBox.Picture.LoadFromFile(OpenDialog.FileName); |
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| 132 | ConvertToDIBClick(nil); |
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| 133 | end; |
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| 134 | |||
| 135 | UpDateData; |
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| 136 | end; |
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| 137 | end else |
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| 138 | begin |
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| 139 | OpenDialog.Filter := GraphicFilter(TGraphic); |
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| 140 | |||
| 141 | if OpenDialog.Execute then |
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| 142 | begin |
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| 143 | FChanged := True; |
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| 144 | |||
| 145 | try |
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| 146 | DIB := TDIB.Create; |
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| 147 | try |
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| 148 | DIB.LoadFromFile(OpenDialog.FileName); |
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| 149 | ViewBox.Picture.Graphic := DIB; |
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| 150 | finally |
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| 151 | DIB.Free; |
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| 152 | end; |
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| 153 | except |
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| 154 | ViewBox.Picture.LoadFromFile(OpenDialog.FileName); |
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| 155 | end; |
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| 156 | |||
| 157 | UpDateData; |
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| 158 | end; |
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| 159 | end; |
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| 160 | end; |
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| 161 | |||
| 162 | procedure TDelphiXPictureEditForm.SaveButtonClick(Sender: TObject); |
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| 163 | begin |
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| 164 | if ViewBox.Picture.Graphic is TDIB then |
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| 165 | begin |
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| 166 | SaveDialog.Filter := 'Bitmap file(*.bmp;*.dib)|*.bmp;*.dib'; |
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| 167 | SaveDialog.DefaultExt := 'bmp'; |
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| 168 | end else |
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| 169 | begin |
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| 170 | SaveDialog.Filter := GraphicFilter(TGraphicClass(ViewBox.Picture.Graphic.ClassType)); |
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| 171 | SaveDialog.DefaultExt := GraphicExtension(TGraphicClass(ViewBox.Picture.Graphic.ClassType)); |
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| 172 | end; |
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| 173 | |||
| 174 | if SaveDialog.Execute then |
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| 175 | ViewBox.Picture.SaveToFile(SaveDialog.FileName); |
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| 176 | end; |
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| 177 | |||
| 178 | procedure TDelphiXPictureEditForm.ConvertToDIBClick(Sender: TObject); |
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| 179 | var |
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| 180 | DIB: TDIB; |
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| 181 | begin |
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| 182 | if (ViewBox.Picture.Graphic<>nil) and (not (ViewBox.Picture.Graphic is TDIB)) then |
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| 183 | begin |
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| 184 | DIB := TDIB.Create; |
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| 185 | try |
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| 186 | DIB.Assign(ViewBox.Picture.Graphic); |
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| 187 | ViewBox.Picture.Graphic := DIB; |
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| 188 | finally |
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| 189 | DIB.Free; |
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| 190 | end; |
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| 191 | |||
| 192 | UpdateData; |
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| 193 | end; |
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| 194 | end; |
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| 195 | |||
| 196 | procedure TDelphiXPictureEditForm.UpdateData; |
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| 197 | |||
| 198 | procedure Draw2(Width, Height: Integer); |
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| 199 | begin |
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| 200 | ViewBox.Stretch := True; |
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| 201 | ViewBox.Left := 6 + -(Width-ViewBox.Width) div 2; |
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| 202 | ViewBox.Top := 6 + -(Height-ViewBox.Height) div 2; |
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| 203 | ViewBox.Width := Width; |
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| 204 | ViewBox.Height := Height; |
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| 205 | end; |
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| 206 | |||
| 207 | var |
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| 208 | i: Integer; |
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| 209 | r, r2: Double; |
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| 210 | DIB: TDIB; |
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| 211 | begin |
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| 212 | if (ViewBox.Picture.Graphic<>nil) and (not ViewBox.Picture.Graphic.Empty) and |
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| 213 | (ViewBox.Picture.Width>0) and (ViewBox.Picture.Height>0) then |
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| 214 | begin |
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| 215 | SizeLabel.Caption := Format(SDIBSize, [ViewBox.Picture.Width, ViewBox.Picture.Height]); |
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| 216 | |||
| 217 | ClassNameLabel.Caption := ViewBox.Picture.Graphic.ClassName; |
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| 218 | |||
| 219 | if ViewBox.Picture.Graphic is TDIB then |
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| 220 | begin |
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| 221 | i := (ViewBox.Picture.Graphic as TDIB).BitCount; |
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| 222 | if i=32 then i := 32; |
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| 223 | BitCountLabel.Caption := Format(SDIBColor, [1 shl i]); |
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| 224 | |||
| 225 | DIB := ViewBox.Picture.Graphic as TDIB; |
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| 226 | |||
| 227 | if DIB.BitmapInfo.bmiHeader.biSizeImage>100*1024 then |
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| 228 | BitSizeLabel.Caption := Format(SDIBBitSize_K, [DIB.BitmapInfo.bmiHeader.biSizeImage div 1024]) |
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| 229 | else |
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| 230 | BitSizeLabel.Caption := Format(SDIBBitSize, [DIB.BitmapInfo.bmiHeader.biSizeImage]); |
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| 231 | end else |
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| 232 | begin |
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| 233 | BitCountLabel.Caption := ''; |
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| 234 | BitSizeLabel.Caption := ''; |
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| 235 | end; |
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| 236 | |||
| 237 | ConvertToDIB.Enabled := not (ViewBox.Picture.Graphic is TDIB); |
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| 238 | |||
| 239 | NoneLabel.Visible := True; |
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| 240 | ClearButton.Enabled := True; |
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| 241 | NoneLabel.Visible := False; |
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| 242 | SaveButton.Enabled := True; |
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| 243 | |||
| 244 | ViewBox.Width := 228; |
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| 245 | ViewBox.Height := 228; |
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| 246 | |||
| 247 | if (ViewBox.Picture.Width>ViewBox.Width) or (ViewBox.Picture.Height>ViewBox.Height) then |
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| 248 | begin |
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| 249 | r := ViewBox.Width/ViewBox.Picture.Width; |
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| 250 | r2 := ViewBox.Height/ViewBox.Picture.Height; |
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| 251 | if r>r2 then |
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| 252 | r := r2; |
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| 253 | Draw2(Round(r*ViewBox.Picture.Width), Round(r*ViewBox.Picture.Height)); |
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| 254 | end else |
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| 255 | Draw2(ViewBox.Picture.Width, ViewBox.Picture.Height); |
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| 256 | |||
| 257 | for i:=0 to PopupMenu1.Items.Count-1 do |
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| 258 | if PopupMenu1.Items[i].Tag<>0 then |
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| 259 | PopupMenu1.Items[i].Enabled := True; |
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| 260 | end else |
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| 261 | begin |
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| 262 | SizeLabel.Caption := ''; |
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| 263 | BitCountLabel.Caption := ''; |
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| 264 | BitSizeLabel.Caption := ''; |
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| 265 | ClassNameLabel.Caption := ''; |
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| 266 | |||
| 267 | NoneLabel.Visible := False; |
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| 268 | ClearButton.Enabled := False; |
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| 269 | NoneLabel.Visible := True; |
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| 270 | SaveButton.Enabled := False; |
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| 271 | |||
| 272 | ConvertToDIB.Enabled := False; |
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| 273 | |||
| 274 | for i:=0 to PopupMenu1.Items.Count-1 do |
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| 275 | if PopupMenu1.Items[i].Tag<>0 then |
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| 276 | PopupMenu1.Items[i].Enabled := False; |
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| 277 | end; |
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| 278 | |||
| 279 | PaletteChanged(True); |
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| 280 | ViewBox.Invalidate; |
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| 281 | end; |
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| 282 | |||
| 283 | procedure TDelphiXPictureEditForm.geConvertColorClick(Sender: TObject); |
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| 284 | begin |
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| 285 | ConvertToDIBClick(nil); |
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| 286 | FChanged := True; |
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| 287 | (ViewBox.Picture.Graphic as TDIB).PixelFormat := MakeDIBPixelFormat(8, 8, 8); |
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| 288 | (ViewBox.Picture.Graphic as TDIB).BitCount := TMenuItem(Sender).Tag; |
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| 289 | UpdateData; |
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| 290 | end; |
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| 291 | |||
| 292 | procedure TDelphiXPictureEditForm.geGreyscaleClick(Sender: TObject); |
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| 293 | begin |
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| 294 | ConvertToDIBClick(nil); |
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| 295 | FChanged := True; |
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| 296 | (ViewBox.Picture.Graphic as TDIB).PixelFormat := MakeDIBPixelFormat(8, 8, 8); |
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| 297 | (ViewBox.Picture.Graphic as TDIB).Greyscale(TMenuItem(Sender).Tag); |
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| 298 | UpdateData; |
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| 299 | end; |
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| 300 | |||
| 301 | procedure TDelphiXPictureEditForm.geNegativeClick(Sender: TObject); |
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| 302 | begin |
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| 303 | ConvertToDIBClick(nil); |
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| 304 | FChanged := True; |
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| 305 | (ViewBox.Picture.Graphic as TDIB).Negative; |
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| 306 | UpdateData; |
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| 307 | end; |
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| 308 | |||
| 309 | procedure TDelphiXPictureEditForm.geCompressClick(Sender: TObject); |
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| 310 | begin |
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| 311 | ConvertToDIBClick(nil); |
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| 312 | FChanged := True; |
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| 313 | (ViewBox.Picture.Graphic as TDIB).Compress; |
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| 314 | UpdateData; |
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| 315 | end; |
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| 316 | |||
| 317 | procedure TDelphiXPictureEditForm.geDecompressClick(Sender: TObject); |
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| 318 | begin |
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| 319 | ConvertToDIBClick(nil); |
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| 320 | FChanged := True; |
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| 321 | (ViewBox.Picture.Graphic as TDIB).Decompress; |
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| 322 | UpdateData; |
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| 323 | end; |
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| 324 | |||
| 325 | procedure TDelphiXPictureEditForm.geCopyClick(Sender: TObject); |
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| 326 | var |
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| 327 | AFormat: Word; |
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| 328 | AData: THandle; |
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| 329 | APalette: HPALETTE; |
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| 330 | begin |
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| 331 | Clipboard.Open; |
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| 332 | try |
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| 333 | ViewBox.Picture.Graphic.SaveToClipboardFormat(AFormat, AData, APalette); |
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| 334 | Clipboard.SetAsHandle(AFormat, AData); |
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| 335 | finally |
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| 336 | Clipboard.Close; |
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| 337 | end; |
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| 338 | end; |
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| 339 | |||
| 340 | procedure TDelphiXPictureEditForm.gePasteClick(Sender: TObject); |
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| 341 | var |
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| 342 | DIB: TDIB; |
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| 343 | begin |
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| 344 | if DIBClassOnly then |
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| 345 | begin |
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| 346 | FChanged := True; |
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| 347 | |||
| 348 | try |
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| 349 | DIB := TDIB.Create; |
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| 350 | try |
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| 351 | Clipboard.Open; |
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| 352 | try |
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| 353 | DIB.LoadFromClipboardFormat(CF_DIB, Clipboard.GetAsHandle(CF_DIB), 0); |
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| 354 | finally |
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| 355 | Clipboard.Close; |
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| 356 | end; |
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| 357 | ViewBox.Picture.Graphic := DIB; |
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| 358 | finally |
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| 359 | DIB.Free; |
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| 360 | end; |
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| 361 | except |
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| 362 | ViewBox.Picture.Assign(Clipboard); |
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| 363 | ConvertToDIBClick(nil); |
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| 364 | end; |
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| 365 | end else |
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| 366 | begin |
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| 367 | FChanged := True; |
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| 368 | ViewBox.Picture.Assign(Clipboard); |
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| 369 | end; |
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| 370 | |||
| 371 | UpdateData; |
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| 372 | end; |
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| 373 | |||
| 374 | procedure TDelphiXPictureEditForm.PopupMenu1Popup(Sender: TObject); |
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| 375 | var |
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| 376 | i: Integer; |
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| 377 | begin |
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| 378 | if DIBClassOnly then |
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| 379 | begin |
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| 380 | gePaste.Enabled := False; |
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| 381 | for i:=0 to Clipboard.FormatCount-1 do |
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| 382 | if Clipboard.Formats[i]=CF_DIB then |
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| 383 | begin |
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| 384 | gePaste.Enabled := True; |
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| 385 | Break; |
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| 386 | end; |
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| 387 | end else |
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| 388 | begin |
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| 389 | gePaste.Enabled := False; |
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| 390 | for i:=0 to Clipboard.FormatCount-1 do |
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| 391 | if ViewBox.Picture.SupportsClipboardFormat(Clipboard.Formats[i]) then |
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| 392 | begin |
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| 393 | gePaste.Enabled := True; |
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| 394 | Break; |
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| 395 | end; |
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| 396 | end; |
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| 397 | end; |
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| 398 | |||
| 399 | end. |