vcl/osx/PictToBmpFlt.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <premac.h>
  21 #include <Carbon/Carbon.h>
  22 #include <QuickTime/QuickTime.h>
  23 #include <postmac.h>
  24
  25 #include <string.h>
  26
  27 #include "PictToBmpFlt.hxx"
  28
  29 bool ImageToPNG( com::sun::star::uno::Sequence<sal_Int8>& rImgData,
  30                  com::sun::star::uno::Sequence<sal_Int8>& rPngData,
  31                  NSBitmapImageFileType eInFormat)
  32 {
  33     (void) eInFormat; // Really not needed? Weird.
  34
  35     NSData* pData = [NSData dataWithBytesNoCopy: (void*)rImgData.getConstArray() length: rImgData.getLength() freeWhenDone: 0];
  36     if( !pData)
  37         return false;
  38
  39     NSBitmapImageRep* pRep =[NSBitmapImageRep imageRepWithData: pData];
  40         if( !pRep)
  41         return false;
  42
  43     NSData* pOut = [pRep representationUsingType: NSPNGFileType properties: nil];
  44     if( !pOut)
  45         return false;
  46
  47     const size_t nPngSize = [pOut length];
  48     rPngData.realloc( nPngSize);
  49     [pOut getBytes: rPngData.getArray() length: nPngSize];
  50     return (nPngSize > 0);
  51 }
  52
  53 bool PNGToImage( com::sun::star::uno::Sequence<sal_Int8>& rPngData,
  54                  com::sun::star::uno::Sequence<sal_Int8>& rImgData,
  55                  NSBitmapImageFileType eOutFormat
  56                 )
  57 {
  58     NSData* pData = [NSData dataWithBytesNoCopy: const_cast<sal_Int8*>(rPngData.getConstArray()) length: rPngData.getLength() freeWhenDone: 0];
  59     if( !pData)
  60         return false;
  61
  62     NSBitmapImageRep* pRep = [NSBitmapImageRep imageRepWithData: pData];
  63     if( !pRep)
  64         return false;
  65
  66     NSData* pOut = [pRep representationUsingType: eOutFormat properties: nil];
  67     if( !pOut)
  68         return false;
  69
  70     const size_t nImgSize = [pOut length];
  71     rImgData.realloc( nImgSize);
  72     [pOut getBytes: rImgData.getArray() length: nImgSize];
  73     return (nImgSize > 0);
  74 }
  75
  76 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */