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LoadImageFromResource

Discussion in 'Delphi Android And IOS' started by AdminDF, Mar 14, 2014.

  1. AdminDF
    Online

    AdminDFAdminDF is a Verified Member DelphiFan Administrator Staff Member DF Staff

    Here is a complement snipplet allow you load resource by using a relative path. For example I have “buttons\close.png” as a RCDATA resource. The resource name will be converted to BUTTONS_CLOSE_PNG. You can retrieve your bitmap by using

    Code:
    Bitmap := LoadImageFromResource('buttons\close.png');
    
    function FilenameToResname(AFilename: String): String;
    begin
    Result := StringReplace(AFilename, PathDelim, '_', [rfReplaceAll]);
    Result := StringReplace(Result, ' ', '_', [rfReplaceAll]);
    Result := StringReplace(Result, '-', '_', [rfReplaceAll]);
    end;
     
    function LoadImageFromResource(AFilename: String): TBitmap;
    var
    rc: TResourceStream;
    resname: String;
    begin
    resname := FilenameToResname(AFilename);
    if FindResource(HINstance, PChar(Resname), RT_RCDATA)<>0 then
    begin
    rc := TResourceStream.Create(HInstance, Resname, RT_RCDATA);
    try
    rc.Seek(0, 0);
    Result := TBitmap.CreateFromStream(rc);
    finally
    rc.Free;
    end;
    end else
    Result := nil;
    end;
     
  2. Proof
    Offline

    Proof DF Junior

    Thank you for this awesome [font='Open Sans', Arial, Tahoma, Verdana, sans-serif]snipplet[/font][font='Open Sans', Arial, Tahoma, Verdana, sans-serif] ! Very useful :)[/font]
     

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