搞了几个小时,这个头疼的问题,我给出代码吧。
找到
libcocos2d/platform/winrt/CCFreeTypeFont.cpp
(其中libcocos2d是项目名)然后将其中的函数 addWord 替换为我提供的即可。实在找不到文件的同学直接搜索吧。
需要注意的是我只简单处理了一下,所以中文下只支持UTF8字符串,非UTF8字符串会出问题。当然英文环境下任然是用默认逻辑。
我的cocos2dx版本是 3.2,如果你的版本不是这个,存在个别差异,那就自己改改吧。
希望大家拿走代码的时候在下面评论一下,好提高我分享的积极性,你懂得。
FT_Error CCFreeTypeFont::addWord(const std::string& word) { std::vector<TGlyph> glyphs; // glyphs for the word FT_BBox bbox; // bounding box containing all of the glyphs in the word int maxWidth = m_inWidth ? m_inWidth : m_windowWidth; std::string newWord; if(m_currentLine->width > 0) { newWord = ‘ ‘ + word; } else { newWord = word; } FT_Error error = initWordGlyphs(glyphs, newWord, m_currentLine->pen); if(!error) { compute_bbox(glyphs, &bbox); /*判断添加进去后整个line是否显示宽度大于设定宽度,是的话进行截取*/ if (Application::getInstance()->getCurrentLanguage() == LanguageType::CHINESE && bbox.xMax > maxWidth) { std:size_t start = 0, end = word.length(); while (true) { while (true)//这个字符比最宽还要宽,则进行截取 { end--; FT_BBox validBBox = bbox; std::vector<TGlyph> validGlyphs; FTLineInfo validLine = FTLineInfo(); validLine.width = 0; validLine.pen.x = 0; validLine.pen.y = 0; //对UTF8字符进行切割 if (end != word.length()) { while (true) { unsigned char utf8charpart = word.at(end - 1); if ((utf8charpart & 0x80) != 0 && (utf8charpart & 0xe0) != 0xc0 && (utf8charpart & 0xf0) != 0xe0 && (utf8charpart & 0xf8) != 0xf0) { end--; } else { end--; break; } } } std::string validStr = word.substr(start, end - start); FT_Error validError = initWordGlyphs(validGlyphs, validStr, validLine.pen); if (validError) break; compute_bbox(validGlyphs, &validBBox); if (validBBox.xMax <= maxWidth) { m_currentLine->glyphs.insert(validLine.glyphs.end(), validGlyphs.begin(), validGlyphs.end()); if (m_currentLine->width == 0) { m_currentLine->bbox = validBBox; } else { m_currentLine->bbox.xMax = validBBox.xMax; } break; } } start = end; end = word.length() + 1; if (start == end - 1) break; bbox = FT_BBox(); endLine(); newLine(); } } else { if (m_currentLine->width == 0 || bbox.xMax <= maxWidth) { m_currentLine->glyphs.insert(m_currentLine->glyphs.end(), glyphs.begin(), glyphs.end()); if (m_currentLine->width == 0) { m_currentLine->bbox = bbox; } else { m_currentLine->bbox.xMax = bbox.xMax; } m_currentLine->width = m_currentLine->bbox.xMax - m_currentLine->bbox.xMin; } else { endLine(); newLine(); addWord(word); } } } return error; }
修复cocos2dx的Label,WP8下不能换行的问题
时间: 2024-11-05 12:35:38