PngWriter.h
1 /* Copyright (C) 2017 Marc Duerner
2  *
3  * This library is free software; you can redistribute it and/or
4  * modify it under the terms of the GNU Lesser General Public
5  * License as published by the Free Software Foundation; either
6  * version 2.1 of the License, or (at your option) any later version.
7  *
8  * As a special exception, you may use this file as part of a free
9  * software library without restriction. Specifically, if other files
10  * instantiate templates or use macros or inline functions from this
11  * file, or you compile this file and link it with other files to
12  * produce an executable, this file does not by itself cause the
13  * resulting executable to be covered by the GNU General Public
14  * License. This exception does not however invalidate any other
15  * reasons why the executable file might be covered by the GNU Library
16  * General Public License.
17  *
18  * This library is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21  * Lesser General Public License for more details.
22  *
23  * You should have received a copy of the GNU Lesser General Public
24  * License along with this library; if not, write to the Free Software
25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
26  * MA 02110-1301 USA
27  */
28 
29 #ifndef PT_GFX_PNGWRITER_H
30 #define PT_GFX_PNGWRITER_H
31 
32 #include <Pt/Gfx/Api.h>
33 #include <iosfwd>
34 
35 namespace Pt {
36 
37 namespace Gfx {
38 
39 class Image;
40 
43 class PT_GFX_API PngWriter
44 {
45  public:
48  PngWriter();
49 
52  PngWriter(std::ostream& is);
53 
56  ~PngWriter();
57 
60  void attach(std::ostream& is);
61 
64  void detach();
65 
68  void reset();
69 
72  void beginWrite(Image& image);
73 
76  bool advance();
77 
80  void write(Image& image);
81 
82  private:
83  class PngWriterImpl* _impl;
84 };
85 
86 } // namespace
87 
88 } // namespace
89 
90 #endif
Generic image.
Definition: Image.h:43
Writer for PNG images.
Definition: PngWriter.h:43