File indexing completed on 2024-05-12 16:23:27

 /***************************************************************************
  *   Copyright (C) 2013 by Linuxstopmotion contributors;                   *
  *   see the AUTHORS file for details.                                     *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  *   This program is distributed in the hope that it will be useful,       *
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 #include "commandadd.h"
 
 #include <assert.h>
 #include <stdlib.h>
 #include <new>
 #include <memory>
 
 #include "commandremove.h"
 #include "src/domain/animation/animationimpl.h"
 #include "src/domain/animation/frame.h"
 #include "src/domain/animation/workspacefile.h"
 #include "src/domain/undo/command.h"
 
 class ErrorHandler;
 class FileNameVisitor;
 
 CommandAdd::CommandAdd(AnimationImpl& model, int toScene, int toFrame, int count)
         : sv(model), scene(toScene), frame(toFrame) {
     frames.reserve(count);
 }
 
 CommandAdd::~CommandAdd() {
     for (std::vector<Frame*>::iterator i = frames.begin();
             i != frames.end(); ++i) {
         delete *i;
     }
 }
 
 void CommandAdd::addFrame(Frame* frame) {
     frames.push_back(frame);
 }
 
 Command* CommandAdd::execute() {
     std::unique_ptr<CommandRemove> inverse(
             new CommandRemove(sv, scene, frame, frames.size()));
     sv.addFrames(scene, frame, frames);
     // ownership has been passed, so we must forget the frames
     frames.clear();
     delete this;
     return inverse.release();
 }
 
 void CommandAdd::accept(FileNameVisitor& v) const {
     for (std::vector<Frame*>::const_iterator i = frames.begin();
             i != frames.end(); ++i) {
         (*i)->accept(v);
     }
 }
 
 CommandAddFactory::Parameters::Parameters(int scene, int frame, int count)
         : sc(scene), fr(frame), frameCount(count), twfs(0), twfCount(0),
           parameterCount(0) {
     twfs = (TemporaryWorkspaceFile*) malloc(
             frameCount * sizeof(TemporaryWorkspaceFile));
 }
 
 CommandAddFactory::Parameters::~Parameters() {
     for (int i = 0; i != twfCount; ++i) {
         twfs[i].~TemporaryWorkspaceFile();
     }
     free(twfs);
 }
 
 const char* CommandAddFactory::Parameters::addFrame(const char* filename) {
     assert (twfCount != frameCount);
     TemporaryWorkspaceFile* p = twfs + twfCount;
     new (p) TemporaryWorkspaceFile(filename, WorkspaceFileType::image());
     ++twfCount;
     return p->path();
 }
 
 int32_t CommandAddFactory::Parameters::getInteger(int32_t, int32_t) {
     assert(parameterCount < 2);
     ++parameterCount;
     return parameterCount == 1? sc : fr;
 }
 
 int32_t CommandAddFactory::Parameters::getHowMany() {
     assert(parameterCount == 2);
     ++parameterCount;
     return frameCount;
 }
 
 void CommandAddFactory::Parameters::getString(std::string& out,
         const char*) {
     assert(3 <= parameterCount);
     int index = parameterCount - 3;
     ++parameterCount;
     out.assign(twfs[index].basename());
 }
 
 void CommandAddFactory::Parameters::retainFiles() {
     for (int i = 0; i != twfCount; ++i) {
         twfs[i].retainFile();
     }
 }
 
 CommandAddFactory::CommandAddFactory(AnimationImpl& model) : sv(model) {
 }
 
 CommandAddFactory::~CommandAddFactory() {
 }
 
 Command* CommandAddFactory::create(::Parameters& ps, ErrorHandler&) {
     int sceneCount = sv.sceneCount();
     if (sceneCount == 0)
         return 0;
     int scene = ps.getInteger(0, sceneCount - 1);
     int frame = ps.getInteger(0, sv.frameCount(scene));
     int count = ps.getHowMany();
     CommandAdd* add = new CommandAdd(sv, scene, frame, count);
     std::string frameName;
     for (int i = 0; i != count; ++i) {
         ps.getString(frameName, "?*.jpg");
         WorkspaceFile wf(frameName.c_str());
         add->addFrame(new Frame(wf));
     }
     return add;
 }