初学Cocos就遇到了中文的显示问题,在使用CCLabelTTF调用系统字体时,出现的是乱码;使用CCLabelBMFont调用自己设计的fnt文件时,就会什么都不显示。百度了很久之后才明白,字体文件需要的中文得是UTF-8编码的,而项目又是Unicode,所以我们只需要把中文字符串的Unicode编码转化为UTF-8就行了。
Unicode转UTF-8函数:
- char* EncodeToUTF8(const char* mbcsStr)
- {
- wchar_t* wideStr;
- char* utf8Str;
- int charLen;
- charLen = MultiByteToWideChar(936,0,mbcsStr,-1,NULL,0);
- wideStr = (wchar_t*)malloc(sizeof(wchar_t)*charLen);
- MultiByteToWideChar(936,wideStr,charLen);
- charLen = WideCharToMultiByte(CP_UTF8,NULL);
- utf8Str = (char*)malloc(charLen);
- WideCharToMultiByte(CP_UTF8,utf8Str,charLen,NULL);
- free(wideStr);
- return utf8Str;
- }
使用示例:
- CCLabelTTF* pLabel = CCLabelTTF::create(EncodeToUTF8("海贼王"),"Marker Felt",24);
-
- CCLabelBMFont* label = CCLabelBMFont::create(EncodeToUTF8("海贼王"),"fonts/_chapter7.fnt",24);
-
- // position the label on the center of the screen
-
- pLabel->setPosition(ccp(origin.x + visibleSize.width/2 -100,origin.y + visibleSize.height - pLabel->getContentSize().height));
- label->setPosition(ccp(origin.x + visibleSize.width / 2 + 100,origin.y + visibleSize.height - label->getContentSize().height));
-
- // add the label as a child to this layer
- this->addChild(pLabel,1);
- this->addChild(label,1);
效果图: