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Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls;type
TForm1 = class(TForm)
Button1: TButton;
ListBox1: TListBox;
OpenDialog1: TOpenDialog;
Image1: TImage;
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure FormPaint(Sender: TObject);
procedure ListBox1Click(Sender: TObject);
end;var
Form1: TForm1;implementation{$R *.dfm}uses GDIPOBJ, GDIPAPI,GDIPUTIL;
var
img: TGPImage;
GifFrame, GifFrameCount: Word;procedure TForm1.FormCreate(Sender: TObject);
begin
OpenDialog1.Filter := 'GIF 文件|*.gif';
img := TGPImage.Create;
end;procedure TForm1.FormDestroy(Sender: TObject);
begin
img.Free;
end;procedure TForm1.Button1Click(Sender: TObject);
var
DimensionsCount: Integer;
DimensionsIDs: PGUID;
i: Integer;
type
ArrDimensions = array of TGUID;
begin
if not OpenDialog1.Execute then Exit;
img.Free;
img := TGPImage.Create(OpenDialog1.FileName); {获取 Gif 总帧数}
DimensionsCount := img.GetFrameDimensionsCount;
GetMem(DimensionsIDs, DimensionsCount * SizeOf(TGUID));
img.GetFrameDimensionsList(DimensionsIDs, DimensionsCount);
GifFrameCount := img.GetFrameCount(ArrDimensions(DimensionsIDs)[0]);
FreeMem(DimensionsIDs); Text := Format('共有 %d 帧', [GifFrameCount]); {显示帧列表}
ListBox1.Clear;
for i := 1 to GifFrameCount do
ListBox1.Items.Add(Format('第 %d 帧', [i])); Repaint;
end;procedure TForm1.FormPaint(Sender: TObject);
var
g: TGPGraphics;begin
g := TGPGraphics.Create(Canvas.Handle);
g.DrawImage(img, ListBox1.Width + 10, 10, img.GetWidth, img.GetHeight);
g.Free;
end;procedure TForm1.ListBox1Click(Sender: TObject);
var
i:integer;
ImgGUID: TGUID;
begin
//你可以在这里对Listbox1进行循环 获取每一帧的图片
for i:=0 to ListBox1.Items.Count-1 do
begin
//GifFrame := ListBox1.ItemIndex;
//img.SelectActiveFrame(FrameDimensionTime, GifFrame);
img.SelectActiveFrame(FrameDimensionTime, i);
GetEncoderClsid('image/bmp', ImgGUID);
img.Save('c:\test'+inttostr(i)+'.bmp',ImgGUID);
//Repaint;
end;
end;
如果没公开,可否共享一下?谢谢先.
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