现想用XML来保存位图数据,位图数据是怎么写入XML文件中的!
例如:
<root>
<bmp>
<name>pic1</name>
<data>位图数据</data>
</bmp>
</root>
我想用data节点来保存位图,问题是我该如何从位图文件中读出数据,又如何写入XML中?入者有分,有代码者多100分!
例如:
<root>
<bmp>
<name>pic1</name>
<data>位图数据</data>
</bmp>
</root>
我想用data节点来保存位图,问题是我该如何从位图文件中读出数据,又如何写入XML中?入者有分,有代码者多100分!
uses EncdDecd,Graphics,Classes;
function BitmapToString(Bitmap:TBitmap):String;
function StringToBitmap(str:String):TBitmap;
implementation
function BitmapToString(Bitmap:TBitmap):String;
var
BitmapStream:TMemoryStream;
strStream:TStringStream;
begin
BitmapStream:=TMemoryStream.Create;
strStream:=TStringStream.Create('');
Bitmap.SaveToStream(BitmapStream);
BitmapStream.Position:=0;
EncodeStream(BitmapStream,strStream);
Result:=strStream.DataString;
BitmapStream.Free;
strStream.Free;
end;function StringToBitmap(str:String):TBitmap;
var
BitmapStream:TMemoryStream;
strStream:TStringStream;
begin
strStream:=TStringStream.Create(str);
BitmapStream:=TMemoryStream.Create;
DecodeStream(strStream,BitmapStream);
BitmapStream.Position:=0;
result:=TBitmap.Create;
result.LoadFromStream(BitmapStream);
BitmapStream.Free;
strStream.Free;
end;
end.