mirror of https://github.com/axmolengine/axmol.git
647 lines
20 KiB
C++
647 lines
20 KiB
C++
/****************************************************************************
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Copyright (c) 2010 cocos2d-x.org
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "CCLabelBMFont.h"
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#include "platform/platform.h"
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#include "NSMutableDictionary.h"
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#include "CCConfiguration.h"
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#include "CCDrawingPrimitives.h"
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#include "CCSprite.h"
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#include "CGPointExtension.h"
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#include "support/file_support/FileData.h"
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#include "support/data_support/uthash.h"
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namespace cocos2d{
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//
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//FNTConfig Cache - free functions
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//
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NSMutableDictionary<std::string, CCBMFontConfiguration*> *configurations = NULL;
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CCBMFontConfiguration* FNTConfigLoadFile( const char *fntFile)
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{
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CCBMFontConfiguration *pRet = NULL;
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if( configurations == NULL )
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{
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configurations = new NSMutableDictionary<std::string, CCBMFontConfiguration*>();
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}
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std::string key(fntFile);
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pRet = configurations->objectForKey(key);
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if( pRet == NULL )
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{
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pRet = CCBMFontConfiguration::configurationWithFNTFile(fntFile);
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configurations->setObject(pRet, key);
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}
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return pRet;
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}
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void FNTConfigRemoveCache( void )
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{
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if (configurations)
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{
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configurations->removeAllObjects();
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CCX_SAFE_RELEASE_NULL(configurations);
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}
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}
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//
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//Hash Element
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//
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// Equal function for targetSet.
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typedef struct _KerningHashElement
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{
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int key; // key for the hash. 16-bit for 1st element, 16-bit for 2nd element
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int amount;
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UT_hash_handle hh;
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} tKerningHashElement;
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//
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//BitmapFontConfiguration
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//
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CCBMFontConfiguration * CCBMFontConfiguration::configurationWithFNTFile(const char *FNTfile)
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{
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CCBMFontConfiguration * pRet = new CCBMFontConfiguration();
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if (pRet->initWithFNTfile(FNTfile))
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{
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pRet->autorelease();
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return pRet;
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}
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CCX_SAFE_DELETE(pRet);
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return NULL;
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}
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bool CCBMFontConfiguration::initWithFNTfile(const char *FNTfile)
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{
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assert(FNTfile != NULL && strlen(FNTfile)!=0);
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m_pKerningDictionary = NULL;
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this->parseConfigFile(FNTfile);
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return true;
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}
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CCBMFontConfiguration::~CCBMFontConfiguration()
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{
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CCLOGINFO( "cocos2d: deallocing CCBMFontConfiguration" );
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this->purgeKerningDictionary();
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m_sAtlasName.clear();
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}
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char * CCBMFontConfiguration::description(void)
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{
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char *ret = new char[100];
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sprintf(ret, "<CCBMFontConfiguration | Kernings:%d | Image = %s>", HASH_COUNT(m_pKerningDictionary), m_sAtlasName.c_str());
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return ret;
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}
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void CCBMFontConfiguration::purgeKerningDictionary()
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{
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tKerningHashElement *current;
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while(m_pKerningDictionary)
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{
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current = m_pKerningDictionary;
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HASH_DEL(m_pKerningDictionary,current);
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free(current);
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}
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}
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void CCBMFontConfiguration::parseConfigFile(const char *controlFile)
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{
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std::string fullpath = CCFileUtils::fullPathFromRelativePath(controlFile);
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FileData data;
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unsigned long nBufSize = 0;
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char* pBuffer = (char*) data.getFileData(fullpath.c_str(), "r", &nBufSize);
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NSAssert(pBuffer, "CCBMFontConfiguration::parseConfigFile | Open file error.");
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if (!pBuffer)
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{
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return;
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}
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// parse spacing / padding
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std::string line;
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std::string strLeft(pBuffer, nBufSize);
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while (strLeft.length() > 0)
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{
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int pos = strLeft.find('\n');
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if (pos != std::string::npos)
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{
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// the data is more than a line.get one line
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line = strLeft.substr(0, pos);
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strLeft = strLeft.substr(pos + 1);
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}
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else
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{
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// get the left data
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line = strLeft;
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strLeft.erase();
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}
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if(line.substr(0,strlen("info face")) == "info face")
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{
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// XXX: info parsing is incomplete
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// Not needed for the Hiero editors, but needed for the AngelCode editor
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// [self parseInfoArguments:line];
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this->parseInfoArguments(line);
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}
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// Check to see if the start of the line is something we are interested in
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else if(line.substr(0,strlen("common lineHeight")) == "common lineHeight")
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{
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this->parseCommonArguments(line);
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}
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else if(line.substr(0,strlen("page id")) == "page id")
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{
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this->parseImageFileName(line, controlFile);
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}
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else if(line.substr(0,strlen("chars c")) == "chars c")
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{
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// Ignore this line
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}
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else if(line.substr(0,strlen("char")) == "char")
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{
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// Parse the current line and create a new CharDef
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ccBMFontDef characterDefinition;
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this->parseCharacterDefinition(line, &characterDefinition);
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// Add the CharDef returned to the charArray
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m_pBitmapFontArray[ characterDefinition.charID ] = characterDefinition;
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}
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else if(line.substr(0,strlen("kernings count")) == "kernings count")
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{
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this->parseKerningCapacity(line);
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}
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else if(line.substr(0,strlen("kerning first")) == "kerning first")
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{
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this->parseKerningEntry(line);
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}
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}
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}
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void CCBMFontConfiguration::parseImageFileName(std::string line, const char *fntFile)
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{
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//////////////////////////////////////////////////////////////////////////
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// line to parse:
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// page id=0 file="bitmapFontTest.png"
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//////////////////////////////////////////////////////////////////////////
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// page ID. Sanity check
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int index = line.find('=')+1;
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int index2 = line.find(' ', index);
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std::string value = line.substr(index, index2-index);
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NSAssert(atoi(value.c_str()) == 0, "BitmapFontAtlas file could not be found");
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// file
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index = line.find('"')+1;
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index2 = line.find('"', index);
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value = line.substr(index, index2-index);
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m_sAtlasName = CCFileUtils::fullPathFromRelativeFile(value.c_str(), fntFile);
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}
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void CCBMFontConfiguration::parseInfoArguments(std::string line)
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{
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//////////////////////////////////////////////////////////////////////////
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// possible lines to parse:
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// info face="Script" size=32 bold=0 italic=0 charset="" unicode=1 stretchH=100 smooth=1 aa=1 padding=1,4,3,2 spacing=0,0 outline=0
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// info face="Cracked" size=36 bold=0 italic=0 charset="" unicode=0 stretchH=100 smooth=1 aa=1 padding=0,0,0,0 spacing=1,1
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//////////////////////////////////////////////////////////////////////////
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// padding
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int index = line.find("padding=");
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int index2 = line.find(' ', index);
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std::string value = line.substr(index, index2-index);
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sscanf(value.c_str(), "padding=%d,%d,%d,%d", &m_tPadding.top, &m_tPadding.right, &m_tPadding.bottom, &m_tPadding.left);
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CCLOG("cocos2d: padding: %d,%d,%d,%d", m_tPadding.left, m_tPadding.top, m_tPadding.right, m_tPadding.bottom);
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}
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void CCBMFontConfiguration::parseCommonArguments(std::string line)
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{
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//////////////////////////////////////////////////////////////////////////
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// line to parse:
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// common lineHeight=104 base=26 scaleW=1024 scaleH=512 pages=1 packed=0
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//////////////////////////////////////////////////////////////////////////
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// Height
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int index = line.find("lineHeight=");
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int index2 = line.find(' ', index);
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std::string value = line.substr(index, index2-index);
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sscanf(value.c_str(), "lineHeight=%u", &m_uCommonHeight);
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// scaleW. sanity check
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index = line.find("scaleW=") + strlen("scaleW=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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NSAssert(atoi(value.c_str()) <= CCConfiguration::sharedConfiguration()->getMaxTextureSize(), "CCLabelBMFont: page can't be larger than supported");
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// scaleH. sanity check
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index = line.find("scaleH=") + strlen("scaleH=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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NSAssert(atoi(value.c_str()) <= CCConfiguration::sharedConfiguration()->getMaxTextureSize(), "CCLabelBMFont: page can't be larger than supported");
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// pages. sanity check
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index = line.find("pages=") + strlen("pages=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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NSAssert(atoi(value.c_str()) == 1, "CCBitfontAtlas: only supports 1 page");
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// packed (ignore) What does this mean ??
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}
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void CCBMFontConfiguration::parseCharacterDefinition(std::string line, ccBMFontDef *characterDefinition)
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{
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//////////////////////////////////////////////////////////////////////////
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// line to parse:
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// char id=32 x=0 y=0 width=0 height=0 xoffset=0 yoffset=44 xadvance=14 page=0 chnl=0
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//////////////////////////////////////////////////////////////////////////
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// Character ID
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int index = line.find("id=");
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int index2 = line.find(' ', index);
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std::string value = line.substr(index, index2-index);
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sscanf(value.c_str(), "id=%u", &characterDefinition->charID);
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NSAssert(characterDefinition->charID < kCCBMFontMaxChars, "BitmpaFontAtlas: CharID bigger than supported");
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// Character x
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index = line.find("x=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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sscanf(value.c_str(), "x=%f", &characterDefinition->rect.origin.x);
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// Character y
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index = line.find("y=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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sscanf(value.c_str(), "y=%f", &characterDefinition->rect.origin.y);
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// Character width
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index = line.find("width=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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sscanf(value.c_str(), "width=%f", &characterDefinition->rect.size.width);
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// Character height
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index = line.find("height=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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sscanf(value.c_str(), "height=%f", &characterDefinition->rect.size.height);
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// Character xoffset
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index = line.find("xoffset=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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sscanf(value.c_str(), "xoffset=%d", &characterDefinition->xOffset);
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// Character yoffset
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index = line.find("yoffset=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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sscanf(value.c_str(), "yoffset=%d", &characterDefinition->yOffset);
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// Character xadvance
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index = line.find("xadvance=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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sscanf(value.c_str(), "xadvance=%d", &characterDefinition->xAdvance);
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}
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void CCBMFontConfiguration::parseKerningCapacity(std::string line)
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{
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// When using uthash there is not need to parse the capacity.
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// NSAssert(!kerningDictionary, @"dictionary already initialized");
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//
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// // Break the values for this line up using =
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// NSArray *values = [line componentsSeparatedByString:@"="];
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// NSEnumerator *nse = [values objectEnumerator];
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// NSString *propertyValue;
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//
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// // We need to move past the first entry in the array before we start assigning values
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// [nse nextObject];
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//
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// // count
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// propertyValue = [nse nextObject];
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// int capacity = [propertyValue intValue];
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//
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// if( capacity != -1 )
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// kerningDictionary = ccHashSetNew(capacity, targetSetEql);
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}
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void CCBMFontConfiguration::parseKerningEntry(std::string line)
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{
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//////////////////////////////////////////////////////////////////////////
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// line to parse:
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// kerning first=121 second=44 amount=-7
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//////////////////////////////////////////////////////////////////////////
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// first
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int first;
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int index = line.find("first=");
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int index2 = line.find(' ', index);
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std::string value = line.substr(index, index2-index);
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sscanf(value.c_str(), "first=%d", &first);
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// second
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int second;
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index = line.find("second=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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sscanf(value.c_str(), "second=%d", &second);
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// amount
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int amount;
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index = line.find("amount=");
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index2 = line.find(' ', index);
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value = line.substr(index, index2-index);
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sscanf(value.c_str(), "amount=%d", &amount);
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tKerningHashElement *element = (tKerningHashElement *)calloc( sizeof( *element ), 1 );
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element->amount = amount;
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element->key = (first<<16) | (second&0xffff);
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HASH_ADD_INT(m_pKerningDictionary,key, element);
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}
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//
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//CCLabelBMFont
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//
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//BitmapFontAtlas - Purge Cache
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void CCLabelBMFont::purgeCachedData()
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{
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FNTConfigRemoveCache();
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}
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//BitmapFontAtlas - Creation & Init
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CCLabelBMFont *CCLabelBMFont::labelWithString(const char *str, const char *fntFile)
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{
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CCLabelBMFont *pRet = new CCLabelBMFont();
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if(pRet && pRet->initWithString(str, fntFile))
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{
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pRet->autorelease();
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return pRet;
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}
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CCX_SAFE_DELETE(pRet)
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return NULL;
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}
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CCLabelBMFont * CCLabelBMFont::bitmapFontAtlasWithString(const char *str, const char *fntFile)
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{
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return labelWithString(str, fntFile);
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}
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bool CCLabelBMFont::initWithString(const char *theString, const char *fntFile)
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{
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assert(theString != NULL);
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CCX_SAFE_RELEASE(m_pConfiguration);// allow re-init
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m_pConfiguration = FNTConfigLoadFile(fntFile);
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m_pConfiguration->retain();
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NSAssert( m_pConfiguration, "Error creating config for BitmapFontAtlas");
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if (CCSpriteBatchNode::initWithFile(m_pConfiguration->m_sAtlasName.c_str(), strlen(theString)))
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{
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m_cOpacity = 255;
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m_tColor = ccWHITE;
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m_tContentSize = CGSizeZero;
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m_bIsOpacityModifyRGB = m_pobTextureAtlas->getTexture()->getHasPremultipliedAlpha();
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m_tAnchorPoint = ccp(0.5f, 0.5f);
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this->setString(theString);
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return true;
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}
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return false;
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}
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CCLabelBMFont::~CCLabelBMFont()
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{
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m_sString.clear();
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m_pConfiguration->release();
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}
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// BitmapFontAtlas - Atlas generation
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int CCLabelBMFont::kerningAmountForFirst(unsigned short first, unsigned short second)
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{
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int ret = 0;
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unsigned int key = (first<<16) | (second & 0xffff);
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if( m_pConfiguration->m_pKerningDictionary ) {
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tKerningHashElement *element = NULL;
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HASH_FIND_INT(m_pConfiguration->m_pKerningDictionary, &key, element);
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if(element)
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ret = element->amount;
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}
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return ret;
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}
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void CCLabelBMFont::createFontChars()
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{
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int nextFontPositionX = 0;
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int nextFontPositionY = 0;
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ccxInt16 prev = -1;
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int kerningAmount = 0;
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CGSize tmpSize = CGSizeZero;
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int longestLine = 0;
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int totalHeight = 0;
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int quantityOfLines = 1;
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int len = m_sString.length();
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if (0 == len)
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{
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return;
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}
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for (int i = 0; i < len - 1; ++i)
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{
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ccxInt16 c = m_sString[i];
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if (c == '\n')
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{
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quantityOfLines++;
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}
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}
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totalHeight = m_pConfiguration->m_uCommonHeight * quantityOfLines;
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nextFontPositionY = m_pConfiguration->m_uCommonHeight * (quantityOfLines - 1);
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for(int i=0; i<len; i++)
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{
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ccxInt16 c = m_sString[i];
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NSAssert( c < kCCBMFontMaxChars, "BitmapFontAtlas: character outside bounds");
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if (c == '\n')
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{
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nextFontPositionX = 0;
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nextFontPositionY -= m_pConfiguration->m_uCommonHeight;
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continue;
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}
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kerningAmount = this->kerningAmountForFirst(prev, c);
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ccBMFontDef fontDef = m_pConfiguration->m_pBitmapFontArray[c];
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CGRect rect = fontDef.rect;
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CCSprite *fontChar;
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fontChar = (CCSprite*)(this->getChildByTag(i));
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if( ! fontChar )
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{
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fontChar = new CCSprite();
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fontChar->initWithSpriteSheet((CCSpriteSheetInternalOnly *) this, rect);
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this->addChild(fontChar, 0, i);
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fontChar->release();
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}
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else
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{
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// reusing fonts
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fontChar->setTextureRectInPixels(rect, false, rect.size);
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// restore to default in case they were modified
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fontChar->setIsVisible(true);
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|
fontChar->setOpacity(255);
|
|
}
|
|
|
|
float yOffset = (float) (m_pConfiguration->m_uCommonHeight - fontDef.yOffset);
|
|
fontChar->setPositionInPixels( ccp( nextFontPositionX + fontDef.xOffset + fontDef.rect.size.width / 2.0f + kerningAmount,
|
|
(float) nextFontPositionY + yOffset - rect.size.height/2.0f ) );
|
|
|
|
// NSLog(@"position.y: %f", fontChar.position.y);
|
|
|
|
// update kerning
|
|
nextFontPositionX += m_pConfiguration->m_pBitmapFontArray[c].xAdvance + kerningAmount;
|
|
prev = c;
|
|
|
|
// Apply label properties
|
|
fontChar->setIsOpacityModifyRGB(m_bIsOpacityModifyRGB);
|
|
// Color MUST be set before opacity, since opacity might change color if OpacityModifyRGB is on
|
|
fontChar->setColor(m_tColor);
|
|
|
|
// only apply opaccity if it is different than 255 )
|
|
// to prevent modifying the color too (issue #610)
|
|
if( m_cOpacity != 255 )
|
|
{
|
|
fontChar->setOpacity(m_cOpacity);
|
|
}
|
|
|
|
if (longestLine < nextFontPositionX)
|
|
{
|
|
longestLine = nextFontPositionX;
|
|
}
|
|
}
|
|
|
|
tmpSize.width = (float) longestLine;
|
|
tmpSize.height = (float) totalHeight;
|
|
|
|
this->setContentSizeInPixels(tmpSize);
|
|
}
|
|
|
|
//BitmapFontAtlas - CCLabelProtocol protocol
|
|
void CCLabelBMFont::setString(const char *newString)
|
|
{
|
|
m_sString.clear();
|
|
m_sString = newString;
|
|
|
|
if (m_pChildren && m_pChildren->count() != 0)
|
|
{
|
|
NSMutableArray<CCNode*>::NSMutableArrayIterator it;
|
|
for(it = m_pChildren->begin(); it != m_pChildren->end(); ++it)
|
|
{
|
|
(*it)->setIsVisible(false);
|
|
}
|
|
}
|
|
this->createFontChars();
|
|
}
|
|
|
|
const char* CCLabelBMFont::getString(void)
|
|
{
|
|
return m_sString.c_str();
|
|
}
|
|
|
|
void CCLabelBMFont::setCString(const char *label)
|
|
{
|
|
setString(label);
|
|
}
|
|
|
|
//BitmapFontAtlas - CCRGBAProtocol protocol
|
|
void CCLabelBMFont::setColor(ccColor3B var)
|
|
{
|
|
m_tColor = var;
|
|
if (m_pChildren && m_pChildren->count() != 0)
|
|
{
|
|
NSMutableArray<CCNode*>::NSMutableArrayIterator it;
|
|
for(it = m_pChildren->begin(); it != m_pChildren->end(); ++it)
|
|
{
|
|
((CCSprite*)(*it))->setColor(m_tColor);
|
|
}
|
|
}
|
|
}
|
|
ccColor3B CCLabelBMFont::getColor()
|
|
{
|
|
return m_tColor;
|
|
}
|
|
void CCLabelBMFont::setOpacity(GLubyte var)
|
|
{
|
|
m_cOpacity = var;
|
|
|
|
if (m_pChildren && m_pChildren->count() != 0)
|
|
{
|
|
NSMutableArray<CCNode*>::NSMutableArrayIterator it;
|
|
for(it = m_pChildren->begin(); it != m_pChildren->end(); ++it)
|
|
{
|
|
CCRGBAProtocol *pRGBAProtocol = (*it)->convertToRGBAProtocol();
|
|
if (pRGBAProtocol)
|
|
{
|
|
pRGBAProtocol->setOpacity(m_cOpacity);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
GLubyte CCLabelBMFont::getOpacity()
|
|
{
|
|
return m_cOpacity;
|
|
}
|
|
void CCLabelBMFont::setIsOpacityModifyRGB(bool var)
|
|
{
|
|
m_bIsOpacityModifyRGB = var;
|
|
if (m_pChildren && m_pChildren->count() != 0)
|
|
{
|
|
NSMutableArray<CCNode*>::NSMutableArrayIterator it;
|
|
for(it = m_pChildren->begin(); it != m_pChildren->end(); ++it)
|
|
{
|
|
CCRGBAProtocol *pRGBAProtocol = (*it)->convertToRGBAProtocol();
|
|
if (pRGBAProtocol)
|
|
{
|
|
pRGBAProtocol->setIsOpacityModifyRGB(m_bIsOpacityModifyRGB);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
bool CCLabelBMFont::getIsOpacityModifyRGB()
|
|
{
|
|
return m_bIsOpacityModifyRGB;
|
|
}
|
|
|
|
// BitmapFontAtlas - AnchorPoint
|
|
void CCLabelBMFont::setAnchorPoint(CGPoint point)
|
|
{
|
|
if( ! CGPoint::CGPointEqualToPoint(point, m_tAnchorPoint) )
|
|
{
|
|
CCSpriteBatchNode::setAnchorPoint(point);
|
|
this->createFontChars();
|
|
}
|
|
}
|
|
|
|
//BitmapFontAtlas - Debug draw
|
|
#if CC_BITMAPFONTATLAS_DEBUG_DRAW
|
|
void CCLabelBMFont::draw()
|
|
{
|
|
CCSpriteBatchNode::draw();
|
|
CGSize s = this->getContentSize();
|
|
CGPoint vertices[4]={
|
|
ccp(0,0),ccp(s.width,0),
|
|
ccp(s.width,s.height),ccp(0,s.height),
|
|
};
|
|
ccDrawPoly(vertices, 4, true);
|
|
}
|
|
#endif // CC_BITMAPFONTATLAS_DEBUG_DRAW
|
|
|
|
}
|