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- #include "2d/CCFontFNT.h"
- #include "2d/CCFontAtlas.h"
- #include "platform/CCFileUtils.h"
- #include "base/CCConfiguration.h"
- #include "base/CCDirector.h"
- #include "base/CCMap.h"
- #include "base/ccUTF8.h"
- #include "renderer/CCTextureCache.h"
- #include <cmath>
- #include <set>
- #include <unordered_map>
- NS_CC_BEGIN
- enum {
- kLabelAutomaticWidth = -1,
- };
- struct _FontDefHashElement;
- typedef struct _BMFontDef {
-
- unsigned int charID;
-
- Rect rect;
-
- short xOffset;
-
- short yOffset;
-
- short xAdvance;
- } BMFontDef;
- typedef struct _BMFontPadding {
-
- int left;
-
- int top;
-
- int right;
-
- int bottom;
- } BMFontPadding;
- class CC_DLL BMFontConfiguration : public Ref
- {
-
- public:
-
- std::unordered_map<int /* key */, BMFontDef /* fontDef */> _fontDefDictionary;
-
- int _commonHeight;
-
- BMFontPadding _padding;
-
- std::string _atlasName;
-
- std::unordered_map<uint64_t /* key */, int /* amount */> _kerningDictionary;
-
-
- std::set<unsigned int> *_characterSet;
-
- int _fontSize;
- public:
-
- BMFontConfiguration();
-
- virtual ~BMFontConfiguration();
-
- std::string description() const;
-
- static BMFontConfiguration * create(const std::string& FNTfile);
-
- bool initWithFNTfile(const std::string& FNTfile);
-
- const std::string& getAtlasName() { return _atlasName; }
- void setAtlasName(const std::string& atlasName) { _atlasName = atlasName; }
-
- std::set<unsigned int>* getCharacterSet() const;
- private:
- std::set<unsigned int>* parseConfigFile(const std::string& controlFile);
- std::set<unsigned int>* parseBinaryConfigFile(unsigned char* pData, unsigned long size, const std::string& controlFile);
- unsigned int parseCharacterDefinition(const char* line);
- void parseInfoArguments(const char* line);
- void parseCommonArguments(const char* line);
- void parseImageFileName(const char* line, const std::string& fntFile);
- void parseKerningEntry(const char* line);
- void purgeKerningDictionary();
- void purgeFontDefDictionary();
- };
- static Map<std::string, BMFontConfiguration*>* s_configurations = nullptr;
- BMFontConfiguration* FNTConfigLoadFile(const std::string& fntFile)
- {
- BMFontConfiguration* ret = nullptr;
- if (s_configurations == nullptr)
- {
- s_configurations = new (std::nothrow) Map<std::string, BMFontConfiguration*>();
- }
- ret = s_configurations->at(fntFile);
- if( ret == nullptr )
- {
- ret = BMFontConfiguration::create(fntFile);
- if (ret)
- {
- s_configurations->insert(fntFile, ret);
- }
- }
- return ret;
- }
- BMFontConfiguration * BMFontConfiguration::create(const std::string& FNTfile)
- {
- BMFontConfiguration * ret = new (std::nothrow) BMFontConfiguration();
- if (ret->initWithFNTfile(FNTfile))
- {
- ret->autorelease();
- return ret;
- }
- CC_SAFE_DELETE(ret);
- return nullptr;
- }
- bool BMFontConfiguration::initWithFNTfile(const std::string& FNTfile)
- {
- _characterSet = this->parseConfigFile(FNTfile);
- if (! _characterSet)
- {
- return false;
- }
- return true;
- }
- std::set<unsigned int>* BMFontConfiguration::getCharacterSet() const
- {
- return _characterSet;
- }
- BMFontConfiguration::BMFontConfiguration()
- : _commonHeight(0)
- , _characterSet(nullptr)
- , _fontSize(0)
- {
- }
- BMFontConfiguration::~BMFontConfiguration()
- {
- CCLOGINFO( "deallocing BMFontConfiguration: %p", this );
- this->purgeFontDefDictionary();
- this->purgeKerningDictionary();
- _atlasName.clear();
- CC_SAFE_DELETE(_characterSet);
- }
- std::string BMFontConfiguration::description(void) const
- {
- return StringUtils::format(
- "<BMFontConfiguration = " CC_FORMAT_PRINTF_SIZE_T " | Glphys:%d Kernings:%d | Image = %s>",
- (size_t)this,
- static_cast<int>(_fontDefDictionary.size()),
- static_cast<int>(_kerningDictionary.size()),
- _atlasName.c_str()
- );
- }
- void BMFontConfiguration::purgeKerningDictionary()
- {
- _kerningDictionary.clear();
- }
- void BMFontConfiguration::purgeFontDefDictionary()
- {
- _fontDefDictionary.clear();
- }
- std::set<unsigned int>* BMFontConfiguration::parseConfigFile(const std::string& controlFile)
- {
- std::string data = FileUtils::getInstance()->getStringFromFile(controlFile);
- if (data.empty())
- {
- return nullptr;
- }
- if (data.size() >= (sizeof("BMP") - 1) && memcmp("BMF", data.c_str(), sizeof("BMP") - 1) == 0) {
-
- std::set<unsigned int>* ret = parseBinaryConfigFile((unsigned char*)&data.front(), data.size(), controlFile);
- return ret;
- }
- if (data[0] == 0)
- {
- CCLOG("cocos2d: Error parsing FNTfile %s", controlFile.c_str());
- return nullptr;
- }
- auto contents = data.c_str();
-
- std::set<unsigned int> *validCharsString = new (std::nothrow) std::set<unsigned int>();
-
- auto contentsLen = strlen(contents);
- char line[512] = {0};
-
- auto next = strchr(contents, '\n');
- auto base = contents;
- size_t lineLength = 0;
- size_t parseCount = 0;
- while (next)
- {
- lineLength = ((int)(next - base));
- memcpy(line, contents + parseCount, lineLength);
- line[lineLength] = 0;
- parseCount += lineLength + 1;
- if (parseCount < contentsLen)
- {
- base = next + 1;
- next = strchr(base, '\n');
- }
- else
- {
- next = nullptr;
- }
- if (memcmp(line, "info face", 9) == 0)
- {
-
-
-
- this->parseInfoArguments(line);
- }
-
- else if (memcmp(line, "common lineHeight", 17) == 0)
- {
- this->parseCommonArguments(line);
- }
- else if (memcmp(line, "page id", 7) == 0)
- {
- this->parseImageFileName(line, controlFile);
- }
- else if (memcmp(line, "chars c", 7) == 0)
- {
-
- }
- else if (memcmp(line, "char", 4) == 0)
- {
-
- unsigned int charID = this->parseCharacterDefinition(line);
- validCharsString->insert(charID);
- }
- else if (memcmp(line, "kerning first", 13) == 0)
- {
- this->parseKerningEntry(line);
- }
- }
-
- return validCharsString;
- }
- std::set<unsigned int>* BMFontConfiguration::parseBinaryConfigFile(unsigned char* pData, unsigned long size, const std::string& controlFile)
- {
-
- std::set<unsigned int> *validCharsString = new (std::nothrow) std::set<unsigned int>();
- unsigned long remains = size;
- CCASSERT(pData[3] == 3, "Only version 3 is supported");
- pData += 4; remains -= 4;
- while (remains > 0)
- {
- unsigned char blockId = pData[0]; pData += 1; remains -= 1;
- uint32_t blockSize = 0; memcpy(&blockSize, pData, 4);
- pData += 4; remains -= 4;
- if (blockId == 1)
- {
-
- memcpy(&_fontSize, pData, 2);
- _padding.top = (unsigned char)pData[7];
- _padding.right = (unsigned char)pData[8];
- _padding.bottom = (unsigned char)pData[9];
- _padding.left = (unsigned char)pData[10];
- }
- else if (blockId == 2)
- {
-
- uint16_t lineHeight = 0; memcpy(&lineHeight, pData, 2);
- _commonHeight = lineHeight;
- uint16_t scaleW = 0; memcpy(&scaleW, pData + 4, 2);
- uint16_t scaleH = 0; memcpy(&scaleH, pData + 6, 2);
- CCASSERT(scaleW <= Configuration::getInstance()->getMaxTextureSize() && scaleH <= Configuration::getInstance()->getMaxTextureSize(), "CCLabelBMFont: page can't be larger than supported");
- uint16_t pages = 0; memcpy(&pages, pData + 8, 2);
- CCASSERT(pages == 1, "CCBitfontAtlas: only supports 1 page");
- }
- else if (blockId == 3)
- {
-
- const char *value = (const char *)pData;
- CCASSERT(strlen(value) < blockSize, "Block size should be less then string");
- _atlasName = FileUtils::getInstance()->fullPathFromRelativeFile(value, controlFile);
- }
- else if (blockId == 4)
- {
-
- unsigned long count = blockSize / 20;
- for (unsigned long i = 0; i < count; i++)
- {
- uint32_t charId = 0; memcpy(&charId, pData + (i * 20), 4);
-
- BMFontDef& fontDef = _fontDefDictionary[charId];
- fontDef.charID = charId;
- uint16_t charX = 0; memcpy(&charX, pData + (i * 20) + 4, 2);
- fontDef.rect.origin.x = charX;
- uint16_t charY = 0; memcpy(&charY, pData + (i * 20) + 6, 2);
- fontDef.rect.origin.y = charY;
- uint16_t charWidth = 0; memcpy(&charWidth, pData + (i * 20) + 8, 2);
- fontDef.rect.size.width = charWidth;
- uint16_t charHeight = 0; memcpy(&charHeight, pData + (i * 20) + 10, 2);
- fontDef.rect.size.height = charHeight;
- int16_t xoffset = 0; memcpy(&xoffset, pData + (i * 20) + 12, 2);
- fontDef.xOffset = xoffset;
- int16_t yoffset = 0; memcpy(&yoffset, pData + (i * 20) + 14, 2);
- fontDef.yOffset = yoffset;
- int16_t xadvance = 0; memcpy(&xadvance, pData + (i * 20) + 16, 2);
- fontDef.xAdvance = xadvance;
- validCharsString->insert(fontDef.charID);
- }
- }
- else if (blockId == 5) {
-
- unsigned long count = blockSize / 20;
- for (unsigned long i = 0; i < count; i++)
- {
- uint32_t first = 0; memcpy(&first, pData + (i * 10), 4);
- uint32_t second = 0; memcpy(&second, pData + (i * 10) + 4, 4);
- int16_t amount = 0; memcpy(&amount, pData + (i * 10) + 8, 2);
- uint64_t key = ((uint64_t)first<<32) | ((uint64_t)second&0xffffffffll);
- _kerningDictionary[key] = amount;
- }
- }
- pData += blockSize; remains -= blockSize;
- }
- return validCharsString;
- }
- void BMFontConfiguration::parseImageFileName(const char* line, const std::string& fntFile)
- {
-
-
-
-
-
- int pageId;
- sscanf(line, "page id=%d", &pageId);
- CCASSERT(pageId == 0, "LabelBMFont file could not be found");
-
- char fileName[255];
- sscanf(strchr(line,'"') + 1, "%[^\"]", fileName);
- _atlasName = FileUtils::getInstance()->fullPathFromRelativeFile(fileName, fntFile);
- }
- void BMFontConfiguration::parseInfoArguments(const char* line)
- {
-
-
-
-
-
- sscanf(strstr(line, "size=") + 5, "%d", &_fontSize);
-
- sscanf(strstr(line,"padding=") + 8, "%d,%d,%d,%d", &_padding.top, &_padding.right, &_padding.bottom, &_padding.left);
-
- }
- void BMFontConfiguration::parseCommonArguments(const char* line)
- {
-
-
-
-
-
-
- auto tmp = strstr(line, "lineHeight=") + 11;
- sscanf(tmp, "%d", &_commonHeight);
-
- #if COCOS2D_DEBUG > 0
-
- int value;
- tmp = strstr(tmp, "scaleW=") + 7;
- sscanf(tmp, "%d", &value);
- int maxTextureSize = Configuration::getInstance()->getMaxTextureSize();
- CCASSERT(value <= maxTextureSize, "CCLabelBMFont: page can't be larger than supported");
-
- tmp = strstr(tmp, "scaleH=") + 7;
- sscanf(tmp, "%d", &value);
- CCASSERT(value <= maxTextureSize, "CCLabelBMFont: page can't be larger than supported");
-
- tmp = strstr(tmp, "pages=") + 6;
- sscanf(tmp, "%d", &value);
- CCASSERT(value == 1, "CCBitfontAtlas: only supports 1 page");
- #endif
-
- }
- unsigned int BMFontConfiguration::parseCharacterDefinition(const char* line)
- {
- unsigned int charID = 0;
-
-
-
-
-
-
- auto tmp = strstr(line, "id=") + 3;
- sscanf(tmp, "%u", &charID);
-
- BMFontDef& characterDefinition = _fontDefDictionary[charID];
- characterDefinition.charID = charID;
-
- tmp = strstr(tmp, "x=") + 2;
- sscanf(tmp, "%f", &characterDefinition.rect.origin.x);
-
- tmp = strstr(tmp, "y=") + 2;
- sscanf(tmp, "%f", &characterDefinition.rect.origin.y);
-
- tmp = strstr(tmp, "width=") + 6;
- sscanf(tmp, "%f", &characterDefinition.rect.size.width);
-
- tmp = strstr(tmp, "height=") + 7;
- sscanf(tmp, "%f", &characterDefinition.rect.size.height);
-
- tmp = strstr(tmp, "xoffset=") + 8;
- sscanf(tmp, "%hd", &characterDefinition.xOffset);
-
- tmp = strstr(tmp, "yoffset=") + 8;
- sscanf(tmp, "%hd", &characterDefinition.yOffset);
-
- tmp = strstr(tmp, "xadvance=") + 9;
- sscanf(tmp, "%hd", &characterDefinition.xAdvance);
-
- return charID;
- }
- void BMFontConfiguration::parseKerningEntry(const char* line)
- {
-
-
-
-
- int first, second, amount;
- auto tmp = strstr(line, "first=") + 6;
- sscanf(tmp, "%d", &first);
- tmp = strstr(tmp, "second=") + 7;
- sscanf(tmp, "%d", &second);
- tmp = strstr(tmp, "amount=") + 7;
- sscanf(tmp, "%d", &amount);
- uint64_t key = ((uint64_t)first<<32) | ((uint64_t)second&0xffffffffll);
-
- _kerningDictionary[key] = amount;
- }
- FontFNT * FontFNT::create(const std::string& fntFilePath, const Vec2& imageOffset )
- {
- BMFontConfiguration *newConf = FNTConfigLoadFile(fntFilePath);
- if (!newConf)
- return nullptr;
-
-
- Texture2D *tempTexture = Director::getInstance()->getTextureCache()->addImage(newConf->getAtlasName());
- if (!tempTexture)
- {
- return nullptr;
- }
-
- FontFNT *tempFont = new FontFNT(newConf,imageOffset);
- tempFont->setFontSize(newConf->_fontSize);
- if (!tempFont)
- {
- return nullptr;
- }
- tempFont->autorelease();
- return tempFont;
- }
- FontFNT::FontFNT(BMFontConfiguration *theContfig, const Vec2& imageOffset )
- :_configuration(theContfig)
- ,_imageOffset(CC_POINT_PIXELS_TO_POINTS(imageOffset))
- {
- _configuration->retain();
- }
- FontFNT::~FontFNT()
- {
- _configuration->release();
- }
- void FontFNT::purgeCachedData()
- {
- if (s_configurations)
- {
- s_configurations->clear();
- CC_SAFE_DELETE(s_configurations);
- }
- }
- int * FontFNT::getHorizontalKerningForTextUTF32(const std::u32string& text, int &outNumLetters) const
- {
- outNumLetters = static_cast<int>(text.length());
-
- if (!outNumLetters)
- return nullptr;
-
- int *sizes = new (std::nothrow) int[outNumLetters];
- if (!sizes)
- return nullptr;
-
- for (int c = 0; c < outNumLetters; ++c)
- {
- if (c < (outNumLetters-1))
- sizes[c] = getHorizontalKerningForChars(text[c], text[c+1]);
- else
- sizes[c] = 0;
- }
-
- return sizes;
- }
- int FontFNT::getHorizontalKerningForChars(char32_t firstChar, char32_t secondChar) const
- {
- int ret = 0;
- uint64_t key = ((uint64_t)firstChar << 32) | ((uint64_t)secondChar & 0xffffffffll);
-
- auto iter = _configuration->_kerningDictionary.find(key);
-
- if (iter != _configuration->_kerningDictionary.end())
- {
- ret = iter->second;
- }
-
- return ret;
- }
- void FontFNT::setFontSize(float fontSize)
- {
- _fontSize = fontSize;
- }
- int FontFNT::getOriginalFontSize()const
- {
- return _configuration->_fontSize;
- }
- FontAtlas * FontFNT::createFontAtlas()
- {
-
- if (_configuration->_fontDefDictionary.empty())
- return nullptr;
-
- size_t numGlyphs = _configuration->_characterSet->size();
- if (numGlyphs == 0)
- return nullptr;
-
- if (_configuration->_commonHeight == 0)
- return nullptr;
-
- FontAtlas *tempAtlas = new (std::nothrow) FontAtlas(*this);
- if (tempAtlas == nullptr)
- return nullptr;
-
-
- int originalFontSize = _configuration->_fontSize;
- float originalLineHeight = _configuration->_commonHeight;
- float factor = 0.0f;
- if (std::abs(_fontSize - originalFontSize) < FLT_EPSILON) {
- factor = 1.0f;
- }else {
- factor = _fontSize / originalFontSize;
- }
-
- tempAtlas->setLineHeight(originalLineHeight * factor);
-
- for (auto&& e : _configuration->_fontDefDictionary)
- {
- BMFontDef& fontDef = e.second;
-
- FontLetterDefinition tempDefinition;
- Rect tempRect;
-
- tempRect = fontDef.rect;
- tempRect = CC_RECT_PIXELS_TO_POINTS(tempRect);
-
- tempDefinition.offsetX = fontDef.xOffset;
- tempDefinition.offsetY = fontDef.yOffset;
-
- tempDefinition.U = tempRect.origin.x + _imageOffset.x;
- tempDefinition.V = tempRect.origin.y + _imageOffset.y;
-
- tempDefinition.width = tempRect.size.width;
- tempDefinition.height = tempRect.size.height;
-
-
- tempDefinition.textureID = 0;
-
- tempDefinition.validDefinition = true;
- tempDefinition.xAdvance = fontDef.xAdvance;
-
- if (65535 < fontDef.charID) {
- CCLOGWARN("Warning: 65535 < fontDef.charID (%u), ignored", fontDef.charID);
- } else {
- tempAtlas->addLetterDefinition(fontDef.charID,tempDefinition);
- }
- }
-
-
-
- Texture2D *tempTexture = Director::getInstance()->getTextureCache()->addImage(_configuration->getAtlasName());
- if (!tempTexture) {
- CC_SAFE_RELEASE(tempAtlas);
- return nullptr;
- }
-
-
- tempAtlas->addTexture(tempTexture, 0);
-
-
- return tempAtlas;
- }
- void FontFNT::reloadBMFontResource(const std::string& fntFilePath)
- {
- if (s_configurations == nullptr)
- {
- s_configurations = new (std::nothrow) Map<std::string, BMFontConfiguration*>();
- }
- BMFontConfiguration *ret = s_configurations->at(fntFilePath);
- if (ret != nullptr)
- {
- s_configurations->erase(fntFilePath);
- }
- ret = BMFontConfiguration::create(fntFilePath);
- if (ret)
- {
- s_configurations->insert(fntFilePath, ret);
- Director::getInstance()->getTextureCache()->reloadTexture(ret->getAtlasName());
- }
- }
- NS_CC_END
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