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 <postmac.h>
  23
  24 #include <string.h>
  25
  26 #include "PictToBmpFlt.hxx"
  27
  28 bool ImageToPNG( css::uno::Sequence<sal_Int8>& rImgData,
  29                  css::uno::Sequence<sal_Int8>& rPngData,
  30                  NSBitmapImageFileType eInFormat)
  31 {
  32     (void) eInFormat; // Really not needed? Weird.
  33
  34     NSData* pData = [NSData dataWithBytesNoCopy: const_cast<sal_Int8 *>(rImgData.getConstArray()) length: rImgData.getLength() freeWhenDone: 0];
  35     if( !pData)
  36         return false;
  37
  38     NSBitmapImageRep* pRep =[NSBitmapImageRep imageRepWithData: pData];
  39     if( !pRep)
  40         return false;
  41
  42     NSData* pOut = [pRep representationUsingType: NSPNGFileType properties: @{ }];
  43     if( !pOut)
  44         return false;
  45
  46     const size_t nPngSize = [pOut length];
  47     rPngData.realloc( nPngSize);
  48     [pOut getBytes: rPngData.getArray() length: nPngSize];
  49     return (nPngSize > 0);
  50 }
  51
  52 bool PNGToImage( css::uno::Sequence<sal_Int8>& rPngData,
  53                  css::uno::Sequence<sal_Int8>& rImgData,
  54                  NSBitmapImageFileType eOutFormat
  55                 )
  56 {
  57     NSData* pData = [NSData dataWithBytesNoCopy: const_cast<sal_Int8*>(rPngData.getConstArray()) length: rPngData.getLength() freeWhenDone: 0];
  58     if( !pData)
  59         return false;
  60
  61     NSBitmapImageRep* pRep = [NSBitmapImageRep imageRepWithData: pData];
  62     if( !pRep)
  63         return false;
  64
  65     NSData* pOut = [pRep representationUsingType: eOutFormat properties: @{ }];
  66     if( !pOut)
  67         return false;
  68
  69     const size_t nImgSize = [pOut length];
  70     rImgData.realloc( nImgSize);
  71     [pOut getBytes: rImgData.getArray() length: nImgSize];
  72     return (nImgSize > 0);
  73 }
  74
  75 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */