source/libs/poppler/poppler-src/poppler/PageTransition.cc

   1 /* PageTransition.cc
   2  * Copyright (C) 2005, Net Integration Technologies, Inc.
   3  * Copyright (C) 2010, Albert Astals Cid <aacid@kde.org>
   4  * Copyright (C) 2013 Adrian Johnson <ajohnson@redneon.com>
   5  * Copyright (C) 2015, Arseniy Lartsev <arseniy@alumni.chalmers.se>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  20  */
  21
  22 #ifdef USE_GCC_PRAGMAS
  23 #pragma implementation
  24 #endif
  25
  26 #include "PageTransition.h"
  27
  28 //------------------------------------------------------------------------
  29 // PageTransition
  30 //------------------------------------------------------------------------
  31
  32 PageTransition::PageTransition (Object *trans) {
  33   Object obj;
  34   Dict *dict;
  35
  36   type = transitionReplace;
  37   duration = 1;
  38   alignment = transitionHorizontal;
  39   direction = transitionInward;
  40   angle = 0;
  41   scale = 1.0;
  42   rectangular = gFalse;
  43   ok = gTrue;
  44
  45   if (!trans || !trans->isDict ()) {
  46     ok = gFalse;
  47     return;
  48   }
  49
  50   dict = trans->getDict();
  51
  52   // get type
  53   if (dict->lookup("S", &obj)->isName()) {
  54     const char *s = obj.getName();
  55
  56     if (strcmp("R", s) == 0)
  57       type = transitionReplace;
  58     else if (strcmp("Split", s) == 0)
  59       type = transitionSplit;
  60     else if (strcmp("Blinds", s) == 0)
  61       type = transitionBlinds;
  62     else if (strcmp("Box", s) == 0)
  63       type = transitionBox;
  64     else if (strcmp("Wipe", s) == 0)
  65       type = transitionWipe;
  66     else if (strcmp("Dissolve", s) == 0)
  67       type = transitionDissolve;
  68     else if (strcmp("Glitter", s) == 0)
  69       type = transitionGlitter;
  70     else if (strcmp("Fly", s) == 0)
  71       type = transitionFly;
  72     else if (strcmp("Push", s) == 0)
  73       type = transitionPush;
  74     else if (strcmp("Cover", s) == 0)
  75       type = transitionCover;
  76     else if (strcmp("Uncover", s) == 0)
  77       type = transitionUncover;
  78     else if (strcmp("Fade", s) == 0)
  79       type = transitionFade;
  80   }
  81   obj.free();
  82
  83   // get duration
  84   if (dict->lookup("D", &obj)->isNum()) {
  85     duration = obj.getNum();
  86   }
  87   obj.free();
  88
  89   // get alignment
  90   if (dict->lookup("Dm", &obj)->isName()) {
  91     const char *dm = obj.getName();
  92
  93     if (strcmp("H", dm) == 0)
  94       alignment = transitionHorizontal;
  95     else if (strcmp("V", dm) == 0)
  96       alignment = transitionVertical;
  97   }
  98   obj.free();
  99
 100   // get direction
 101   if (dict->lookup("M", &obj)->isName()) {
 102     const char *m = obj.getName();
 103
 104     if (strcmp("I", m) == 0)
 105       direction = transitionInward;
 106     else if (strcmp("O", m) == 0)
 107       direction = transitionOutward;
 108   }
 109   obj.free();
 110
 111   // get angle
 112   if (dict->lookup("Di", &obj)->isInt()) {
 113     angle = obj.getInt();
 114   }
 115   obj.free();
 116
 117   if (dict->lookup("Di", &obj)->isName()) {
 118     if (strcmp("None", obj.getName()) == 0)
 119       angle = 0;
 120   }
 121   obj.free();
 122
 123   // get scale
 124   if (dict->lookup("SS", &obj)->isNum()) {
 125     scale = obj.getNum();
 126   }
 127   obj.free();
 128
 129   // get rectangular
 130   if (dict->lookup("B", &obj)->isBool()) {
 131     rectangular = obj.getBool();
 132   }
 133   obj.free();
 134 }
 135
 136 PageTransition::~PageTransition()
 137 {
 138 }
 139