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C++ nglString::GetNextUChar方法代码示例

本文整理汇总了C++中nglString::GetNextUChar方法的典型用法代码示例。如果您正苦于以下问题:C++ nglString::GetNextUChar方法的具体用法?C++ nglString::GetNextUChar怎么用?C++ nglString::GetNextUChar使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在nglString的用法示例。


在下文中一共展示了nglString::GetNextUChar方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Layout

bool nuiTextLayout::Layout(const nglString& rString)
{
  // Transform the string in a vector of nglUChar, also keep the offsets from the original chars to the nglUChar and vice versa
  int32 len = rString.GetLength();
  int32 i = 0;
  
  //printf("layout ");
  while (i < len)
  {
    nglUChar ch = rString.GetNextUChar(i);
    //printf("'%c' (%d) ", (char)ch, ch);
    mUnicode.push_back(ch);
    mOffsetInString.push_back(i);
    mOffsetInUnicode.push_back(mUnicode.size() - 1);
  }
  
  //printf("\n");
  
  // General algorithm:
  // 1. Split text into paragraphs (LayoutText)
  // 2. Split paragraphs into ranges (LayoutParagraph)
  // 3. Split ranges into fonts
  // 4. Split ranges into lines / words if needed
  
  int32 start = 0;
  int32 position = 0;
  int32 count = mUnicode.size();
  while (position < count)
  {
    // Scan through the text and look for end of line markers
    nglUChar ch = mUnicode[position];
    if (ch == '\n' || ch == 0xb || ch == 0x2028 || ch == 0x2029)
    {
      // Found a paragraph
      //printf("Paragraph %d -> %d (%d chars)\n", start, position, position - start);
      LayoutParagraph(start, position - start); // Eat the \n char
      start = position + 1;
    }
    position++;
  }
  
  if (start < position)
  {
    //printf("last Paragraph %d -> %d (%d chars)\n", start, position, position - start);
    LayoutParagraph(start, position - start); // Eat the \n char
    start = position;
  }

  mAscender = 0;
  mDescender = 0;

  //printf("Map scripts to fonts:\n");
  int32 c = 0;
  // Find the needed fonts for each script:
  std::map<nuiUnicodeScript, nuiFontBase*> FontSet;
  {
    std::map<nuiUnicodeScript, std::set<nglUChar> >::iterator it = mCharsets.begin();
    std::map<nuiUnicodeScript, std::set<nglUChar> >::iterator end = mCharsets.end();
    while (it != end)
    {
      //printf("%d %s -> ", c, nuiGetUnicodeScriptName(it->first).GetChars());
      const std::set<nglUChar>& charset(it->second);
      nuiFontBase* pFont = NULL;
      // First try the requested font
      {
        std::set<nglUChar>::const_iterator it = charset.begin();
        std::set<nglUChar>::const_iterator end = charset.end();
        
        while (it != end && mStyle.GetFont()->GetGlyphIndex(*it) > 0)
          ++it;
        
        // If all the glyphs are available in the font we're done...
        if (it == end)
          pFont = mStyle.GetFont();
        else
        {
          //printf("[couldn't find glyph %d '%c' in requested font] ", *it, *it);
        }
      }

      // If the requested font doesn't work, try to find one that does:
      if (!pFont)
      {
        nuiFontRequest request(mStyle.GetFont());
        request.MustHaveGlyphs(charset, 500, false);
        pFont = nuiFontManager::GetManager().GetFont(request);
      }
      
      FontSet[it->first] = pFont;
      
      //printf("%s\n", pFont->GetFamilyName().GetChars());
      
      ++it;
      c++;
    }
  }
  //printf("Map scripts to fonts DONE\n");

  i = 0;
  nuiRect rect;
//.........这里部分代码省略.........
开发者ID:kentvv,项目名称:nui3,代码行数:101,代码来源:nuiTextLayout.cpp

示例2: Set

bool nuiLayoutConstraint::Set(const nglString& rDescription)
{
  int index = 0;
  nglUChar c = rDescription.GetNextUChar(index);

  if (c == '[')
  {
    // Fix start + ?
    int pos = index;
    int end = index;
    c = rDescription.GetNextUChar(index);
    while (c != ',' && c != '}')
    {
      end = index;
      c = rDescription.GetNextUChar(index);
    }

    nglString anchor1 = rDescription.Extract(pos, index - pos - 1);
    anchor1.Trim();

    if (c == ',')
    {
      // Fix stop or fix size
      int pos = index;
      int end = index;
      c = rDescription.GetNextUChar(index);
      while (c != ']' && c != '}')
      {
        end = index;
        c = rDescription.GetNextUChar(index);
      }

      nglString anchor2 = rDescription.Extract(pos, index - pos - 1);
      anchor2.Trim();

      if (c == ']')
      {
        // Start and Stop:
        SetStartAndStop(anchor1, anchor2);
        return true;
      }
      else if (c == '}')
      {
        // Start and size:
        SetStartAndSize(anchor1, anchor2.GetCFloat());
        return true;
      }

    }
    else if (c == '}')
    {
      // Fix start
      SetStart(anchor1);
      return true;
    }
    
  }
  else if (c == '{')
  {
    // Fix end + ?
    int pos = index;
    int end = index;
    c = rDescription.GetNextUChar(index);
    while (c != ',' && c != '}' && c != ']')
    {
      end = index;
      c = rDescription.GetNextUChar(index);
    }

    nglString anchor1 = rDescription.Extract(pos, index - pos - 1);
    anchor1.Trim();

    if (c == ',')
    {
      // Fix stop or fix size
      int pos = index;
      int end = index;
      c = rDescription.GetNextUChar(index);

      while (c != ']' && c != '}' && c != ',')
      {
        end = index;
        c = rDescription.GetNextUChar(index);
      }

      nglString anchor2 = rDescription.Extract(pos, index - pos - 1);
      anchor2.Trim();

      if (c == ']')
      {
        // size and Stop:
        SetStopAndSize(anchor2, anchor1.GetCFloat());
        return true;
      }
      else if (c == '}')
      {
        // Midle and size:
        if (anchor2.IsFloat())
          SetMiddleAndSize(anchor1, anchor2.GetCFloat());
        else
//.........这里部分代码省略.........
开发者ID:JamesLinus,项目名称:nui3,代码行数:101,代码来源:nuiLayout.cpp


注:本文中的nglString::GetNextUChar方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。