/**************************************************************************** Copyright (c) 2013 Zynga Inc. http://www.cocos2d-x.org Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ****************************************************************************/ #include "cocos2d.h" #include "CCStringTTF.h" #include "CCFont.h" #include "CCLabelTextFormatter.h" NS_CC_BEGIN StringTTF::StringTTF(FontDefinitionTTF *theDef, TextAlignment alignment) : _currentUTF8String(0), _fontDef(theDef), _alignment(alignment), _lineBreakWithoutSpaces(false), _advances(0) { if (_fontDef) _fontDef->retain(); } StringTTF* StringTTF::create(FontDefinitionTTF *def, TextAlignment alignment) { StringTTF *ret = new StringTTF(def, alignment); if (!ret) return 0; if( ret->init() ) { ret->autorelease(); return ret; } else { delete ret; return 0; } return ret; } StringTTF::~StringTTF() { if (_currentUTF8String) { delete [] _currentUTF8String; _currentUTF8String = 0; } if (_advances) { delete [] _advances; _advances = 0; } if (_fontDef) _fontDef->release(); } bool StringTTF::init() { return true; } bool StringTTF::setText(const char *stringToRender, float lineWidth, TextAlignment alignment, bool lineBreakWithoutSpaces) { if (!_fontDef) return false; _width = lineWidth; _alignment = alignment; _lineBreakWithoutSpaces = lineBreakWithoutSpaces; // release all the sprites moveAllSpritesToCache(); // store locally common line height _commonLineHeight = _fontDef->getCommonLineHeight(); if (_commonLineHeight <= 0) return false; Font *pFont = _fontDef->getFont(); if (!pFont) return false; int numLetter = 0; unsigned short int *pUTF8Text = pFont->getUTF16Text(stringToRender, numLetter); setCurrentString(pUTF8Text); // align text alignText(); // done here return true; } void StringTTF::setAlignment(TextAlignment alignment) { // store the new alignment if (alignment != _alignment) { // store _alignment = alignment; // need to align text again alignText(); } } void StringTTF::setWidth(float width) { if (width != _width) { // store _width = width; // need to align text again alignText(); } } void StringTTF::setLineBreakWithoutSpace(bool breakWithoutSpace) { if (breakWithoutSpace != _lineBreakWithoutSpaces) { // store _lineBreakWithoutSpaces = breakWithoutSpace; // need to align text again alignText(); } } void StringTTF::setScale(float scale) { Node::setScale(scale); alignText(); } void StringTTF::setScaleX(float scaleX) { Node::setScaleX(scaleX); alignText(); } void StringTTF::setScaleY(float scaleY) { Node::setScaleY(scaleY); alignText(); } void StringTTF::alignText() { hideAllLetters(); LabelTextFormatter::createStringSprites(this); LabelTextFormatter::multilineText(this); hideAllLetters(); LabelTextFormatter::createStringSprites(this); LabelTextFormatter::alignText(this); } void StringTTF::hideAllLetters() { Object* pObj = NULL; CCARRAY_FOREACH(&_spriteArray, pObj) { ((Sprite *)pObj)->setVisible(false); } CCARRAY_FOREACH(&_spriteArrayCache, pObj) { ((Sprite *)pObj)->setVisible(false); } } bool StringTTF::computeAdvancesForString(const char *stringToRender) { if (_advances) { delete [] _advances; _advances = 0; } Font *pFont = _fontDef->getFont(); if (!pFont) return false; int letterCount = 0; _advances = pFont->getAdvancesForText(stringToRender, letterCount); if(!_advances) return false; else return true; } bool StringTTF::computeAdvancesForString(unsigned short int *stringToRender) { if (_advances) { delete [] _advances; _advances = 0; } Font *pFont = _fontDef->getFont(); if (!pFont) return false; int letterCount = 0; _advances = pFont->getAdvancesForTextUTF16(stringToRender, letterCount); if(!_advances) return false; else return true; } bool StringTTF::setCurrentString(unsigned short *stringToSet) { // set the new string if (_currentUTF8String) { delete [] _currentUTF8String; _currentUTF8String = 0; } // _currentUTF8String = stringToSet; // compute the advances return computeAdvancesForString(stringToSet); } Sprite * StringTTF::createNewSpriteFromLetterDefinition(LetterDefinition &theDefinition, Texture2D *theTexture) { Rect uvRect; uvRect.size.height = theDefinition.height; uvRect.size.width = theDefinition.width; uvRect.origin.x = theDefinition.U; uvRect.origin.y = theDefinition.V; SpriteFrame *pFrame = SpriteFrame::createWithTexture(theTexture, uvRect); Sprite *tempSprite = getSprite(); if (!tempSprite) return 0; tempSprite->initWithSpriteFrame(pFrame); tempSprite->setAnchorPoint(Point(0.0, 1.0)); return tempSprite; } Sprite * StringTTF::updateSpriteWithLetterDefinition(Sprite *spriteToUpdate, LetterDefinition &theDefinition, Texture2D *theTexture) { if (!spriteToUpdate) { return 0; } else { Rect uvRect; uvRect.size.height = theDefinition.height; uvRect.size.width = theDefinition.width; uvRect.origin.x = theDefinition.U; uvRect.origin.y = theDefinition.V; SpriteFrame *pFrame = SpriteFrame::createWithTexture(theTexture, uvRect); spriteToUpdate->initWithSpriteFrame(pFrame); spriteToUpdate->setAnchorPoint(Point(0.0, 1.0)); return spriteToUpdate; } } Sprite * StringTTF::getSpriteForLetter(unsigned short int newLetter) { LetterDefinition tempDefinition = _fontDef->getLetterDefinition(newLetter); Sprite *pNewSprite = createNewSpriteFromLetterDefinition(tempDefinition, _fontDef->getTexture(tempDefinition.textureID) ); this->addChild(pNewSprite); return pNewSprite; } Sprite * StringTTF::updateSpriteForLetter(Sprite *spriteToUpdate, unsigned short int newLetter) { if (!spriteToUpdate) return 0; else { LetterDefinition tempDefinition = _fontDef->getLetterDefinition(newLetter); Sprite *pNewSprite = updateSpriteWithLetterDefinition(spriteToUpdate, tempDefinition, _fontDef->getTexture(tempDefinition.textureID) ); return pNewSprite; } } void StringTTF::moveAllSpritesToCache() { Object* pObj = NULL; CCARRAY_FOREACH(&_spriteArray, pObj) { ((Sprite *)pObj)->removeFromParent(); _spriteArrayCache.addObject(pObj); } _spriteArray.removeAllObjects(); } Sprite * StringTTF::getSprite() { if (_spriteArrayCache.count()) { Sprite *retSprite = (Sprite *) _spriteArrayCache.lastObject(); _spriteArrayCache.removeLastObject(); return retSprite; } else { Sprite *retSprite = new Sprite; return retSprite; } } ///// PROTOCOL STUFF Sprite * StringTTF::getSpriteChild(int ID) { Object* pObj = NULL; CCARRAY_FOREACH(&_spriteArray, pObj) { Sprite *pSprite = (Sprite *)pObj; if ( pSprite->getTag() == ID) { return pSprite; } } return 0; } Array * StringTTF::getChildrenLetters() { return &_spriteArray; } Sprite * StringTTF::getSpriteForChar(unsigned short int theChar, int spriteIndexHint) { // ret sprite Sprite *retSprite = 0; // lool for already existing sprites retSprite = getSpriteChild(spriteIndexHint); if (!retSprite) { retSprite = getSpriteForLetter(theChar); if (!retSprite) return 0; if (retSprite) retSprite->setTag(spriteIndexHint); _spriteArray.addObject(retSprite); } // the sprite is now visible retSprite->setVisible(true); // set the right texture letter to the sprite updateSpriteForLetter(retSprite, theChar); // we are done here return retSprite; } float StringTTF::getLetterPosXLeft( Sprite* sp ) { float scaleX = _scaleX; return sp->getPosition().x * scaleX - (sp->getContentSize().width * scaleX * sp->getAnchorPoint().x); } float StringTTF::getLetterPosXRight( Sprite* sp ) { float scaleX = _scaleX; return sp->getPosition().x * scaleX + (sp->getContentSize().width * scaleX * sp->getAnchorPoint().x); } int StringTTF::getCommonLineHeight() { return _commonLineHeight * 0.8; } int StringTTF::getKerningForCharsPair(unsigned short first, unsigned short second) { return 0; } int StringTTF::getXOffsetForChar(unsigned short c) { return 0; } int StringTTF::getYOffsetForChar(unsigned short c) { LetterDefinition tempDefinition = _fontDef->getLetterDefinition(c); return (tempDefinition.offsetY); } int StringTTF::getAdvanceForChar(unsigned short c, int hintPositionInString) { if (_advances) { // not that advance contains the X offset already LetterDefinition tempDefinition = _fontDef->getLetterDefinition(c); return (_advances[hintPositionInString].width - tempDefinition.offsetX); } else { return -1; } } Rect StringTTF::getRectForChar(unsigned short c) { Rect uvRect; uvRect.origin.x = 0.0; uvRect.origin.y = 0.0; uvRect.size.width = 0.0; uvRect.size.height = 0.0; // Not needed for StringTTF /* uvRect.size.height = tempDefinition.height; uvRect.size.width = tempDefinition.width; uvRect.origin.x = tempDefinition.U; uvRect.origin.y = tempDefinition.V; */ return uvRect; } // string related stuff int StringTTF::getStringNumLines() { int quantityOfLines = 1; unsigned int stringLen = _currentUTF8String ? cc_wcslen(_currentUTF8String) : 0; if (stringLen == 0) return (-1); // count number of lines for (unsigned int i = 0; i < stringLen - 1; ++i) { unsigned short c = _currentUTF8String[i]; if (c == '\n') { quantityOfLines++; } } return quantityOfLines; } int StringTTF::getStringLenght() { return _currentUTF8String ? cc_wcslen(_currentUTF8String) : 0; } unsigned short StringTTF::getCharAtStringPosition(int position) { return _currentUTF8String[position]; } unsigned short * StringTTF::getUTF8String() { return _currentUTF8String; } void StringTTF::assignNewUTF8String(unsigned short *newString) { setCurrentString(newString); } TextAlignment StringTTF::getTextAlignment() { return _alignment; } // label related stuff float StringTTF::getMaxLineWidth() { return _width; } bool StringTTF::breakLineWithoutSpace() { return _lineBreakWithoutSpaces; } Size StringTTF::getLabelContentSize() { return getContentSize(); } void StringTTF::setLabelContentSize(const Size &newSize) { setContentSize(newSize); } // RGBA protocol bool StringTTF::isOpacityModifyRGB() const { return false; } void StringTTF::setOpacityModifyRGB(bool isOpacityModifyRGB) { } unsigned char StringTTF::getOpacity() const { return 0; } unsigned char StringTTF::getDisplayedOpacity() const { return 0; } void StringTTF::setOpacity(GLubyte opacity) { } void StringTTF::updateDisplayedOpacity(GLubyte parentOpacity) { } bool StringTTF::isCascadeOpacityEnabled() const { return false; } void StringTTF::setCascadeOpacityEnabled(bool cascadeOpacityEnabled) { } const Color3B& StringTTF::getColor(void) const { Color3B temp; return temp; } const Color3B& StringTTF::getDisplayedColor() const { Color3B temp; return temp; } void StringTTF::setColor(const Color3B& color) { } void StringTTF::updateDisplayedColor(const Color3B& parentColor) { } bool StringTTF::isCascadeColorEnabled() const { return false; } void StringTTF::setCascadeColorEnabled(bool cascadeColorEnabled) { } NS_CC_END