138653/ice.ii.3

   1 typedef struct _GObject {
   2 } GObject;
   3 namespace std {
   4         struct random_access_iterator_tag {
   5         };
   6          template < typename _Iterator > struct iterator_traits {
   7         };
   8          template < typename _Tp > struct iterator_traits <_Tp * > {
   9         struct iterator_category {};
  10         };
  11 } namespace __gnu_cxx {
  12         using std::iterator_traits;
  13          template < typename _Iterator,
  14             typename _Container > class __normal_iterator {
  15               protected:_Iterator _M_current;
  16               public:typedef typename iterator_traits <
  17                     _Iterator >::
  18                     iterator_category iterator_category;
  19                 typedef typename iterator_traits <
  20                     _Iterator >::int int;
  21                 explicit __normal_iterator(const _Iterator &
  22                                            __i):_M_current(__i) {
  23                 } const _Iterator & base() const {
  24                         return _M_current;
  25         }};
  26         template < typename _IteratorL, typename _IteratorR,
  27             typename _Container > inline typename __normal_iterator <
  28             _IteratorL,
  29             _Container >::int operator-(const __normal_iterator <
  30                                                     _IteratorL,
  31                                                     _Container > &__lhs,
  32                                                     const __normal_iterator <
  33                                                     _IteratorR,
  34                                                     _Container > &__rhs) {
  35                 return __lhs.base() - __rhs.base();
  36         }
  37         template < typename _Tp > class new_allocator {
  38               public:typedef const _Tp *const_pointer;
  39                 typedef const _Tp & const_reference;
  40                 template < typename _Tp1 > struct rebind {
  41                         typedef new_allocator < _Tp1 > other;
  42                 };
  43         };
  44 }
  45
  46 namespace std {
  47         template < typename _Tp >
  48             class allocator:public __gnu_cxx::new_allocator < _Tp > {
  49         };
  50 }
  51 extern double fabs(double);
  52 namespace Inkscape {
  53         namespace GC {
  54                 enum ScanPolicy {
  55                         SCANNED
  56                 };
  57                 enum CollectionPolicy {
  58                         AUTO, MANUAL
  59                 };
  60                  template < ScanPolicy default_scan =
  61                     SCANNED, CollectionPolicy default_collect =
  62                     AUTO > class Managed {
  63                 };
  64                 class Finalized {
  65                       public:Finalized() {
  66                 }};
  67                 class Anchored {
  68                       protected:Anchored():_anchor(__null)
  69                         {
  70                       } private:struct Anchor:public Managed < SCANNED,
  71                             MANUAL > {
  72                         };
  73                         mutable Anchor *_anchor;
  74                 };
  75         }
  76         namespace UI {
  77                 namespace View {
  78                         class View:public GC::Managed <>, public GC::Finalized,
  79                             public GC::Anchored {
  80                         };
  81 }}} struct SPDesktop:public Inkscape::UI::View::View {
  82 };
  83 enum SPMarkerLoc {
  84         SP_CSS_UNIT_NONE, SP_CSS_UNIT_PX, SP_CSS_UNIT_PT, SP_CSS_UNIT_PC,
  85             SP_CSS_UNIT_MM, SP_CSS_UNIT_CM, SP_CSS_UNIT_IN, SP_CSS_UNIT_EM,
  86             SP_CSS_UNIT_EX, SP_CSS_UNIT_PERCENT
  87 };
  88 struct SPILengthOrNormal {
  89         unsigned unit;
  90         float value;
  91         float computed;
  92 };
  93 struct SPStyle {
  94         SPILengthOrNormal line_height;
  95 };
  96 namespace std {
  97         template < typename _Tp, typename _Alloc > struct _Vector_base {
  98                 typedef typename _Alloc::template rebind <
  99                     _Tp >::other _Tp_alloc_type;
 100                 struct _Vector_impl:public _Tp_alloc_type {
 101                         _Tp *_M_start;
 102                         _Tp *_M_finish;
 103                 };
 104               public:_Vector_impl _M_impl;
 105         };
 106       template < typename _Tp, typename _Alloc = std::allocator < _Tp > >class vector:protected _Vector_base < _Tp,
 107             _Alloc >
 108         {
 109                 typedef _Vector_base < _Tp, _Alloc > _Base;
 110                 typedef vector < _Tp, _Alloc > vector_type;
 111                 typedef typename _Base::_Tp_alloc_type _Tp_alloc_type;
 112               public:typedef _Tp value_type;
 113                 typedef typename _Tp_alloc_type::const_pointer const_pointer;
 114                 typedef typename _Tp_alloc_type::
 115                     const_reference const_reference;
 116                 typedef __gnu_cxx::__normal_iterator < const_pointer,
 117                     vector_type > const_iterator;
 118                 const_iterator begin() const {
 119                         return const_iterator(this->_M_impl._M_start);
 120                 } const_iterator end() const {
 121                         return const_iterator(this->_M_impl._M_finish);
 122                 } unsigned int size() const {
 123                         return end() - begin();
 124                 } const_reference operator[] (unsigned int __n)const {
 125         }};
 126 }
 127
 128 namespace Inkscape {
 129         namespace Text {
 130                 class Layout {
 131                       public:class iterator;
 132                         inline iterator end() const;
 133                         inline unsigned lineIndex(iterator const &it) const;
 134                         struct Chunk;
 135                         struct Glyph {
 136                         };
 137                         struct Character {
 138                                 inline Chunk const &chunk(Layout const *l) const {
 139                         }};
 140                         struct Chunk {
 141                                 unsigned in_line;
 142                         };
 143                         struct Line {
 144                         };
 145                         std::vector < Line > _lines;
 146                         std::vector < Character > _characters;
 147                         std::vector < Glyph > _glyphs;
 148                         class PredicateLineToCharacter {
 149                                 Layout const *const _flow;
 150                               public:inline PredicateLineToCharacter(Layout const
 151                                                                 *flow):_flow
 152                                     (flow) {
 153                         }};
 154                 };
 155                 class Layout::iterator {
 156                       public:friend class Layout;
 157                       private:Layout const
 158                             *_parent_layout;
 159                         int _glyph_index;
 160                         unsigned _char_index;
 161                         bool _cursor_moving_vertically;
 162                         double _x_coordinate;
 163                         inline iterator(Layout const *p, unsigned c,
 164                                         int g):_parent_layout(p),
 165                             _glyph_index(g), _char_index(c),
 166                             _cursor_moving_vertically(false),
 167                             _x_coordinate(0.0) {
 168                 }};
 169                 inline Layout::iterator Layout::end() const {
 170                         return iterator(this, _characters.size(),
 171                                         _glyphs.size());
 172                 } inline unsigned Layout::lineIndex(iterator const &it) const {
 173                         return it._char_index ==
 174                             _characters.size()? _lines.size() -
 175                             1 : _characters[it._char_index].chunk(this).in_line;
 176 }}};
 177 void sp_te_adjust_linespacing_screen(GObject * text,
 178                                      Inkscape::Text::Layout::
 179                                      iterator const &start,
 180                                      Inkscape::Text::Layout::
 181                                      iterator const &end, SPDesktop * desktop,
 182                                      double by)
 183 {
 184         Inkscape::Text::Layout const *layout;
 185         SPStyle *style;
 186         unsigned line_count = layout->lineIndex(layout->end());
 187         double all_lines_height;
 188         double average_line_height =
 189             all_lines_height / (line_count == 0 ? 1 : line_count);
 190         double zby;
 191         switch (style->line_height.unit) {
 192         case SP_CSS_UNIT_NONE:
 193         default:
 194                 if (fabs(style->line_height.computed) < 0.001)
 195                         style->line_height.computed = by;
 196                 else
 197                         style->line_height.computed *=
 198                             (average_line_height + zby) / average_line_height;
 199         case SP_CSS_UNIT_EM:
 200         case SP_CSS_UNIT_EX:
 201         case SP_CSS_UNIT_PERCENT:
 202                 if (fabs(style->line_height.value) < 0.001)
 203                         style->line_height.value = by;
 204                 else
 205                         style->line_height.value *=
 206                             (average_line_height + zby) / average_line_height;
 207         }
 208 }