1 /**************************************************************************/
2 /*  Copyright 2012 Tim Day                                                */
3 /*                                                                        */
4 /*  This file is part of Evolvotron                                       */
5 /*                                                                        */
6 /*  Evolvotron is free software: you can redistribute it and/or modify    */
7 /*  it under the terms of the GNU General Public License as published by  */
8 /*  the Free Software Foundation, either version 3 of the License, or     */
9 /*  (at your option) any later version.                                   */
10 /*                                                                        */
11 /*  Evolvotron is distributed in the hope that it will be useful,         */
12 /*  but WITHOUT ANY WARRANTY; without even the implied warranty of        */
13 /*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         */
14 /*  GNU General Public License for more details.                          */
15 /*                                                                        */
16 /*  You should have received a copy of the GNU General Public License     */
17 /*  along with Evolvotron.  If not, see <http://www.gnu.org/licenses/>.   */
18 /**************************************************************************/
19 
20 /*! \file
21   \brief Implementation of class MutatableImageComputerTask
22 */
23 
24 
25 
26 #include "mutatable_image_computer_task.h"
27 
MutatableImageComputerTask(MutatableImageDisplay * const disp,const boost::shared_ptr<const MutatableImage> & fn,uint pri,const QSize & fo,const QSize & fs,const QSize & wis,uint f,uint lev,uint frag,uint nfrag,bool j,uint ms,unsigned long long int n)28 MutatableImageComputerTask::MutatableImageComputerTask
29 (
30  MutatableImageDisplay*const disp,
31  const boost::shared_ptr<const MutatableImage>& fn,
32  uint pri,
33  const QSize& fo,
34  const QSize& fs,
35  const QSize& wis,
36  uint f,
37  uint lev,
38  uint frag,
39  uint nfrag,
40  bool j,
41  uint ms,
42  unsigned long long int n
43  )
44   :_aborted(false)
45   ,_display(disp)
46   ,_image_function(fn)
47   ,_priority(pri)
48   ,_fragment_origin(fo)
49   ,_fragment_size(fs)
50   ,_whole_image_size(wis)
51   ,_frames(f)
52   ,_level(lev)
53   ,_fragment(frag)
54   ,_number_of_fragments(nfrag)
55   ,_jittered_samples(j)
56   ,_multisample_grid(ms)
57   ,_current_pixel(0)
58   ,_current_col(0)
59   ,_current_row(0)
60   ,_current_frame(0)
61   ,_completed(false)
62   ,_serial(n)
63 {
64   /*
65   std::cerr
66     << "["
67     << _number_of_fragments
68     << ":"
69     << _fragment_size.width() << "x" << _fragment_size.height()
70     << " in "
71     << _whole_image_size.width() << "x" << _whole_image_size.height()
72     << "]";
73   */
74   assert(_image_function->ok());
75   assert(_fragment<_number_of_fragments);
76   assert(_number_of_fragments>1 || _whole_image_size==_fragment_size);
77   assert(1<=_multisample_grid);
78 }
79 
allocate_images() const80 void MutatableImageComputerTask::allocate_images() const
81 {
82   for (uint f=0;f<frames();f++)
83     {
84       _images.push_back(QImage(fragment_size(),QImage::Format_RGB32));
85     }
86 }
87 
~MutatableImageComputerTask()88 MutatableImageComputerTask::~MutatableImageComputerTask()
89 {
90   assert(_image_function->ok());
91 }
92 
pixel_advance()93 void MutatableImageComputerTask::pixel_advance()
94 {
95   _current_pixel++;
96   _current_col++;
97   if (_current_col==fragment_size().width())
98     {
99       _current_col=0;
100       _current_row++;
101       if (_current_row==fragment_size().height())
102 	{
103 	  _current_row=0;
104 	  _current_frame++;
105 	  if (_current_frame==frames())
106 	    {
107 	      _completed=true;
108 	    }
109 	}
110     }
111 }
112