delphi图像存取另类解决方案.mht

delphi程序绘制jpeg图像源代码

border=3D0>
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              <TR>
                <TD style=3D"FONT-SIZE: 11pt; COLOR: #ff0000; =
FONT-FAMILY: =CB=CE=CC=E5"=20
                align=3Dmiddle bgColor=3D#fafafa=20
                =
height=3D24><B>Delphi=CD=BC=CF=F1=B4=E6=C8=A1=C1=ED=C0=E0=BD=E2=BE=F6=B7=BD=
=B0=B8</B></TD></TR>
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                <TD style=3D"COLOR: #c0c0c0" align=3Dmiddle =
bgColor=3D#fafafa=20
                height=3D50>=A3=A8=BC=D3=C8=EB=C8=D5=C6=DA:2004-2-9 =
=B5=E3=BB=F7=CA=FD:3774=A3=A9<BR><A=20
                  href=3D"http://www.lanmang.com/services-rental.php"=20
                  target=3D_blank><STRONG><FONT=20
                  =
color=3D#ff0000>=B5=E7=D0=C5=BB=FA=B7=BFP4=B7=FE=CE=F1=C6=F7=A1=A46999/=C4=
=EA=A1=A4=CB=CD=B2=FA=C8=A8=C0=B6=C3=A2=CF=B5=CD=B3</FONT></STRONG></A>=20
                  <BR><B>=A1=BE<A=20
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href=3D"http://www.programfan.com/article/comment.asp?id=3D2426">=B6=D4=B4=
=CB=CE=C4=B7=A2=B1=ED=C6=C0=C2=DB</A>=A1=BF&nbsp;=A1=BE<A=20
                  =
href=3D"http://www.programfan.com/club">=B1=E0=B3=CC=B0=AE=BA=C3=D5=DF=C2=
=DB=CC=B3</A>=A1=BF =A1=BE<A=20
                  =
onclick=3D'javascript:SaveAs("=B1=E0=B3=CC=B0=AE=BA=C3=D5=DF=CE=C4=D5=C2=D6=
=D0=D0=C4","")'=20
                  =
href=3D"http://www.programfan.com/article/showarticle.asp?id=3D2426#">=B1=
=A3=B4=E6=CE=C4=D5=C2=D6=C1=D3=B2=C5=CC</A>=A1=BF=20
                  &nbsp;=A1=BE<A onclick=3Djavascript:window.print()=20
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href=3D"http://www.programfan.com/article/showarticle.asp?id=3D2426#">=B4=
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                <TD style=3D"WORD-BREAK: break-all; WORD-WRAP: =
break-word"=20
                bgColor=3D#fafafa height=3D123>
                  <TABLE width=3D300 align=3Dleft border=3D0>
                    <TBODY>
                    <TR>
                      <TD>
                        <OBJECT=20
                        =
codeBase=3Dhttp://download.macromedia.com/pub/shockwave/cabs/flash/swflas=
h.cab#version=3D6,0,29,0=20
                        height=3D300 width=3D300=20
                        =
classid=3Dclsid:D27CDB6E-AE6D-11cf-96B8-444553540000><PARAM =
NAME=3D"movie" VALUE=3D"/ad/unitware_300_300.swf"><PARAM =
NAME=3D"quality" VALUE=3D"high">
                                                                        =
<embed=20
                        src=3D"/ad/unitware_300_300.swf" =
quality=3D"high"=20
                        =
pluginspage=3D"http://www.macromedia.com/go/getflashplayer"=20
                        type=3D"application/x-shockwave-flash" =
width=3D"300"=20
                        height=3D"300"></embed>             =20
                    </OBJECT></TD></TR></TBODY></TABLE>
                  <P class=3Dfontsize10=20
                  style=3D"FONT-SIZE: =
10.5pt">=D4=DA=A1=B6Delphi=B4=E6=C8=A1=CD=BC=CF=F1=CD=EA=D5=FB=BD=E2=BE=F6=
=B7=BD=B0=B8=A1=B7=D2=BB=CE=C4=D6=D0=A3=AC=B1=CA=D5=DF=CC=E1=B9=A9=C1=CB=D2=
=BB=D6=D6DELPHI=B4=E6=C8=A1JPEG=A1=A2BMP=CD=BC=CF=F1=B5=BD=CA=FD=BE=DD=BF=
=E2=B5=C4=BD=E2=BE=F6=B7=BD=B0=B8=A3=AC=CB=E4=C8=BB=CB=FC=CA=CA=D3=C3=D3=DA=
ACCESS=BA=CDSQL=CA=FD=BE=DD=BF=E2=A3=AC=B5=AB=CB=FC=B2=A2=B2=BB=CA=CA=D3=C3=
=D3=DA=CB=F9=D3=D0=CA=FD=BE=DD=BF=E2=A3=A8=B1=C8=C8=E7PARADOX=CA=FD=BE=DD=
=BF=E2=D6=D0=B5=C4GRAPHIC=CD=BC=CF=F1=D7=D6=B6=CE=BE=CD=B2=BB=C4=DC=B2=C9=
=D3=C3=B8=C3=B7=BD=B7=A8=B4=E6=C8=A1=CD=BC=CF=F1=CA=FD=BE=DD=A3=A9=A3=AC=CF=
=C2=CE=C4=BD=AB=BD=E9=C9=DCDELPHI=C0=FB=D3=C3ASSIGN=B7=BD=B7=A8=B4=E6=C8=A1=
JPEG=A1=A2BMP=CD=BC=CF=F1=B5=BD=CA=FD=BE=DD=BF=E2=B5=C4=C1=ED=D2=BB=BD=E2=
=BE=F6=B7=BD=B0=B8=C0=B4=BD=F8=D0=D0=B2=B9=B3=E4=CD=EA=C9=C6=A1=A3=D1=DD=CA=
=BE=CA=FD=BE=DD=BF=E2=BD=E1=B9=B9=BA=CD=B4=B0=BF=DA=BD=E7=C3=E6=C9=E8=BC=C6=
=CD=AC=C7=B0=CE=C4=A3=AC=B2=BB=D4=D9=D6=D8=CA=F6=A3=AC=BD=AB=B5=A5=D4=AA=B5=
=C4=CF=E0=D3=A6=B3=CC=D0=F2=B4=FA=C2=EB=D7=F7=C8=E7=CF=C2=B8=FC=BB=BB=A3=BA=
<BR><BR>=A1=A1=A1=A11.=20
                  =
=CD=BC=CF=F1=CA=FD=BE=DD=B5=C4=D1=A1=D4=F1=BC=B0=B1=A3=B4=E6<BR><BR>proce=
dure Tform1.selectimageClick(Sender:=20
                  TObject); //=D1=A1=D4=F1=CD=BC=CF=F1<BR>begin<BR>if =
openpicturedialog1.Execute=20
                  =
then<BR>image1.Picture.LoadFromFile(openpicturedialog1.FileName=20
                  );<BR>end;<BR>procedure Tform1.savetodbClick(Sender:=20
                  =
TObject);=A1=A1//=B1=A3=B4=E6=CD=BC=CF=F1=B5=BD=CA=FD=BE=DD=BF=E2<BR>var<=
BR>ext:string;<BR>begin<BR>if=20
                  image1.picture.Graphic &lt;&gt; nil then=20
                  =
//=B1=DC=C3=E2image1=D6=D0=CE=DE=CD=BC=CF=F1=B1=A3=B4=E6=B3=F6=B4=ED<BR>b=
egin<BR>adotable1.Edit=20
                  =
;<BR>adotable1.FieldByName('myimage').Assign(image1.Picture.Graphic);<BR>=
//=D2=D4=CF=C2=BC=C7=C2=BC=B1=A3=B4=E6=B5=BD=CA=FD=BE=DD=BF=E2=B5=C4=CD=BC=
=CF=F1=B8=F1=CA=BD<BR>ext:=3Dextractfileext(openpicturedialog1.FileName=20
                  ); //=C8=A1=B3=F6=CE=C4=BC=FE=C0=A9=D5=B9=C3=FB<BR>if =
uppercase(ext) =3D '.BMP'=20
                  THEN<BR>adotable1.FieldByName('isbmp').VALUE :=3D 1=20
                  //BMP=D0=CD=CD=BC=CF=F1=CA=FD=BE=DD<BR>ELSE IF =
(UPPERCASE(EXT) =3D '.JPEG') OR=20
                  (UPPERCASE(EXT) =3D '.JPG')=20
                  THEN<BR>adotable1.FieldByName('isbmp').VALUE :=3D 0;=20
                  //JPEG=D0=CD=CD=BC=CF=F1=CA=FD=BE=DD<BR>ADOTABLE1.Post =
;<BR>end;<BR>end; <BR><BR>=A1=A1=A1=A12.=20
                  =
=CD=BC=CF=F1=CA=FD=BE=DD=B5=C4=B6=C1=C8=A1=BC=B0=CF=D4=CA=BE<BR><BR>proce=
dure=20
                  Tform1.ADOTable1AfterScroll(DataSet: TDataSet);=20
                  =
//ADOTable1=B5=C4AfterScroll=CA=C2=BC=FE=B7=BD=B7=A8=B3=CC=D0=F2<BR>=A1=A1=
var<BR>=A1=A1=A1=A1jpegimage:tjpegimage;<BR>=A1=A1begin<BR>=A1=A1=A1=A1im=
age1.Picture.Graphic=20
                  :=3Dnil; =
<BR>=A1=A1=A1=A1//=CF=C2=B1=DFBMP=A1=A2JPEG=C1=BD=D6=D6=CD=BC=CF=F1=CA=FD=
=BE=DD=B1=D8=D0=E8=B7=D6=B1=F0=B4=A6=C0=ED<BR>=A1=A1=A1=A1if=20
                  adotable1.fieldbyname('isbmp').Asstring =3D '1' then=20
                  =
//BMP=D0=CD=CD=BC=CF=F1=CA=FD=BE=DD<BR>=A1=A1=A1=A1=A1=A1image1.Picture.b=
itmap.Assign(adotable1.fieldbyname('myimage'))<BR>=A1=A1=A1=A1=A1=A1//=C9=
=CF=B1=DF=D3=EF=BE=E4=D6=D0=B5=C4bitmap=B2=BB=C4=DC=CE=AAgraphic,=B7=F1=D4=
=F2=BB=E1=B3=F6=B4=ED<BR>=A1=A1=A1=A1else=20
                  if adotable1.fieldbyname('isbmp').asstring =3D '0' =
then=20
                  =
//JPEG=D0=CD=CD=BC=CF=F1=CA=FD=BE=DD<BR>=A1=A1=A1=A1=A1=A1begin =
//begin2<BR>=A1=A1=A1=A1=A1=A1=A1=A1jpegimage :=3D=20
                  tjpegimage.Create ;=20
                  =
//=CD=A8=B9=FDjpegimage=BD=AB=CD=BC=CF=F1=CF=D4=CA=BE=D4=DAimage1,=B7=F1=D4=
=F2=BB=E1=B3=F6=B4=ED<BR>=A1=A1=A1=A1=A1=A1=A1=A1try<BR>=A1=A1=A1=A1=A1=A1=
=A1=A1=A1=A1jpegimage.Assign(adotable1.fieldbyname('myimage'));<BR>=A1=A1=
=A1=A1=A1=A1=A1=A1=A1=A1image1.Picture.Graphic=20
                  =
:=3Djpegimage;<BR>=A1=A1=A1=A1=A1=A1=A1=A1finally<BR>=A1=A1=A1=A1=A1=A1=A1=
=A1=A1=A1jpegimage.Free=20
                  ;<BR>=A1=A1=A1=A1=A1=A1=A1=A1end; //end =
try<BR>=A1=A1=A1=A1end; //end begin2<BR>end;=20
                  =
<BR><BR>=A1=A1=A1=A1=D7=A2=A3=BA=B1=F0=CD=FC=C1=CB=D4=DA=B5=A5=D4=AA=CE=C4=
=BC=FE=BD=D3=BF=DA=B2=BF=B7=D6=B5=C4uses=D3=EF=BE=E4=D6=D0=CC=ED=C8=EBJPE=
G=B5=A5=D4=AA=D2=FD=D3=C3=A1=A3<BR><BR>=A1=A1=A1=A1=D2=D4=C9=CF=B3=CC=D0=F2=
=B4=FA=C2=EB=D4=DADELPHI6.0=A3=ABSQL=A3=A8=BB=F2ACCESS=BB=F2PARADOX=A3=A9=
=CA=FD=BE=DD=BF=E2=CF=C2=D4=CB=D0=D0=CD=A8=B9=FD=A1=A3</P><FONT=20
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=B6=BC=B2=BB=C4=DC=BD=AB=D5=E2=D0=A9=CE=C4=D5=C2=D3=C3=D3=DA=C9=CC=D2=B5=BB=
=F2=D5=DF=C6=E4=CB=FB=C4=BF=B5=C4=A1=A3(=20
                  ProgramFan.Com )</FONT><BR><BR>
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