/**************************************************************************** Copyright (c) 2013 Zynga Inc. Copyright (c) 2013-2016 Chukong Technologies Inc. Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd. 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 "2d/CCLabel.h" #include #include // offsetof #include "base/ccTypes.h" #include "2d/CCFont.h" #include "2d/CCFontAtlasCache.h" #include "2d/CCFontAtlas.h" #include "2d/CCSprite.h" #include "2d/CCSpriteBatchNode.h" #include "2d/CCDrawNode.h" #include "2d/CCCamera.h" #include "base/ccUTF8.h" #include "base/ccMacros.h" #include "platform/CCFileUtils.h" #include "renderer/CCRenderer.h" #include "renderer/CCRenderCommand.h" #include "base/CCDirector.h" #include "base/CCEventListenerCustom.h" #include "base/CCEventDispatcher.h" #include "base/CCEventCustom.h" #include "base/ccUtils.h" #include "2d/CCFontFNT.h" #include "renderer/ccShaders.h" #include "renderer/backend/ProgramState.h" #include "renderer/backend/ProgramStateRegistry.h" NS_CC_BEGIN namespace { void updateBlend(backend::BlendDescriptor &blendDescriptor, BlendFunc blendFunc) { blendDescriptor.blendEnabled = true; if (blendFunc == BlendFunc::ALPHA_NON_PREMULTIPLIED) { blendDescriptor.sourceRGBBlendFactor = backend::BlendFactor::SRC_ALPHA; blendDescriptor.destinationRGBBlendFactor = backend::BlendFactor::ONE_MINUS_SRC_ALPHA; blendDescriptor.sourceAlphaBlendFactor = backend::BlendFactor::SRC_ALPHA; blendDescriptor.destinationAlphaBlendFactor = backend::BlendFactor::ONE_MINUS_SRC_ALPHA; } else { blendDescriptor.sourceRGBBlendFactor = backend::BlendFactor::ONE; blendDescriptor.destinationRGBBlendFactor = backend::BlendFactor::ONE_MINUS_SRC_ALPHA; blendDescriptor.sourceAlphaBlendFactor = backend::BlendFactor::ONE; blendDescriptor.destinationAlphaBlendFactor = backend::BlendFactor::ONE_MINUS_SRC_ALPHA; } } } /** * LabelLetter used to update the quad in texture atlas without SpriteBatchNode. */ class LabelLetter : public Sprite { public: LabelLetter() { _textureAtlas = nullptr; _letterVisible = true; } static LabelLetter* createWithTexture(Texture2D *texture, const Rect& rect, bool rotated = false) { auto letter = new (std::nothrow) LabelLetter(); if (letter && letter->initWithTexture(texture, rect, rotated)) { letter->Sprite::setVisible(false); letter->autorelease(); return letter; } CC_SAFE_DELETE(letter); return nullptr; } CREATE_FUNC(LabelLetter); virtual void updateTransform() override { if (isDirty()) { _transformToBatch = getNodeToParentTransform(); Size &size = _rect.size; float x1 = _offsetPosition.x; float y1 = _offsetPosition.y; float x2 = x1 + size.width; float y2 = y1 + size.height; // issue #17022: don't flip, again, the letter since they are flipped in sprite's code //if (_flippedX) std::swap(x1, x2); //if (_flippedY) std::swap(y1, y2); float x = _transformToBatch.m[12]; float y = _transformToBatch.m[13]; float cr = _transformToBatch.m[0]; float sr = _transformToBatch.m[1]; float cr2 = _transformToBatch.m[5]; float sr2 = -_transformToBatch.m[4]; float ax = x1 * cr - y1 * sr2 + x; float ay = x1 * sr + y1 * cr2 + y; float bx = x2 * cr - y1 * sr2 + x; float by = x2 * sr + y1 * cr2 + y; float cx = x2 * cr - y2 * sr2 + x; float cy = x2 * sr + y2 * cr2 + y; float dx = x1 * cr - y2 * sr2 + x; float dy = x1 * sr + y2 * cr2 + y; _quad.bl.vertices.set(SPRITE_RENDER_IN_SUBPIXEL(ax), SPRITE_RENDER_IN_SUBPIXEL(ay), _positionZ); _quad.br.vertices.set(SPRITE_RENDER_IN_SUBPIXEL(bx), SPRITE_RENDER_IN_SUBPIXEL(by), _positionZ); _quad.tl.vertices.set(SPRITE_RENDER_IN_SUBPIXEL(dx), SPRITE_RENDER_IN_SUBPIXEL(dy), _positionZ); _quad.tr.vertices.set(SPRITE_RENDER_IN_SUBPIXEL(cx), SPRITE_RENDER_IN_SUBPIXEL(cy), _positionZ); if (_textureAtlas) { _textureAtlas->updateQuad(&_quad, _atlasIndex); } _recursiveDirty = false; setDirty(false); } Node::updateTransform(); } virtual void updateColor() override { if (_textureAtlas == nullptr) { return; } auto displayedOpacity = _displayedOpacity; if(!_letterVisible) { displayedOpacity = 0.0f; } Color4B color4(_displayedColor.r, _displayedColor.g, _displayedColor.b, displayedOpacity); // special opacity for premultiplied textures if (_opacityModifyRGB) { color4.r *= displayedOpacity / 255.0f; color4.g *= displayedOpacity / 255.0f; color4.b *= displayedOpacity / 255.0f; } _quad.bl.colors = color4; _quad.br.colors = color4; _quad.tl.colors = color4; _quad.tr.colors = color4; _textureAtlas->updateQuad(&_quad, _atlasIndex); } void setVisible(bool visible) override { _letterVisible = visible; updateColor(); } bool isVisible() const override { return _letterVisible; } //LabelLetter doesn't need to draw directly. void draw(Renderer* /*renderer*/, const Mat4 & /*transform*/, uint32_t /*flags*/) override { } private: bool _letterVisible; }; Label::BatchCommand::BatchCommand() { textCommand.setDrawType(CustomCommand::DrawType::ELEMENT); textCommand.setPrimitiveType(CustomCommand::PrimitiveType::TRIANGLE); shadowCommand.setDrawType(CustomCommand::DrawType::ELEMENT); shadowCommand.setPrimitiveType(CustomCommand::PrimitiveType::TRIANGLE); outLineCommand.setDrawType(CustomCommand::DrawType::ELEMENT); outLineCommand.setPrimitiveType(CustomCommand::PrimitiveType::TRIANGLE); } Label::BatchCommand::~BatchCommand() { CC_SAFE_RELEASE(textCommand.getPipelineDescriptor().programState); CC_SAFE_RELEASE(shadowCommand.getPipelineDescriptor().programState); CC_SAFE_RELEASE(outLineCommand.getPipelineDescriptor().programState); } void Label::BatchCommand::setProgramState(backend::ProgramState* programState) { assert(programState); auto& programStateText = textCommand.getPipelineDescriptor().programState; CC_SAFE_RELEASE(programStateText); programStateText = programState->clone(); auto& programStateShadow = shadowCommand.getPipelineDescriptor().programState; CC_SAFE_RELEASE(programStateShadow); programStateShadow = programState->clone(); auto& programStateOutline = outLineCommand.getPipelineDescriptor().programState; CC_SAFE_RELEASE(programStateOutline); programStateOutline = programState->clone(); } std::array Label::BatchCommand::getCommandArray() { return std::array{&textCommand, &shadowCommand, &outLineCommand}; } Label* Label::create() { auto ret = new (std::nothrow) Label; if (ret) { ret->autorelease(); } return ret; } Label* Label::createWithSystemFont(const std::string& text, const std::string& font, float fontSize, const Size& dimensions /* = Size::ZERO */, TextHAlignment hAlignment /* = TextHAlignment::LEFT */, TextVAlignment vAlignment /* = TextVAlignment::TOP */) { auto ret = new (std::nothrow) Label(hAlignment,vAlignment); if (ret) { ret->setSystemFontName(font); ret->setSystemFontSize(fontSize); ret->setDimensions(dimensions.width, dimensions.height); ret->setString(text); ret->autorelease(); return ret; } return nullptr; } Label* Label::createWithTTF(const std::string& text, const std::string& fontFile, float fontSize, const Size& dimensions /* = Size::ZERO */, TextHAlignment hAlignment /* = TextHAlignment::LEFT */, TextVAlignment vAlignment /* = TextVAlignment::TOP */) { auto ret = new (std::nothrow) Label(hAlignment,vAlignment); if (ret && ret->initWithTTF(text, fontFile, fontSize, dimensions, hAlignment, vAlignment)) { ret->autorelease(); return ret; } CC_SAFE_DELETE(ret); return nullptr; } Label* Label::createWithTTF(const TTFConfig& ttfConfig, const std::string& text, TextHAlignment hAlignment /* = TextHAlignment::CENTER */, int maxLineWidth /* = 0 */) { auto ret = new (std::nothrow) Label(hAlignment); if (ret && ret->initWithTTF(ttfConfig, text, hAlignment, maxLineWidth)) { ret->autorelease(); return ret; } CC_SAFE_DELETE(ret); return nullptr; } Label* Label::createWithBMFont(const std::string& bmfontPath, const std::string& text, const TextHAlignment& hAlignment, int maxLineWidth) { auto ret = new (std::nothrow) Label(hAlignment); if (ret && ret->setBMFontFilePath(bmfontPath)) { ret->setMaxLineWidth(maxLineWidth); ret->setString(text); ret->autorelease(); return ret; } delete ret; return nullptr; } Label* Label::createWithBMFont(const std::string& bmfontPath, const std::string& text, const TextHAlignment& hAlignment, int maxLineWidth, const Rect& imageRect, bool imageRotated) { auto ret = new (std::nothrow) Label(hAlignment); if (ret && ret->setBMFontFilePath(bmfontPath, imageRect, imageRotated)) { ret->setMaxLineWidth(maxLineWidth); ret->setString(text); ret->autorelease(); return ret; } delete ret; return nullptr; } Label* Label::createWithBMFont(const std::string& bmfontPath, const std::string& text, const TextHAlignment& hAlignment, int maxLineWidth, const std::string& subTextureKey) { auto ret = new (std::nothrow) Label(hAlignment); if (ret && ret->setBMFontFilePath(bmfontPath, subTextureKey)) { ret->setMaxLineWidth(maxLineWidth); ret->setString(text); ret->autorelease(); return ret; } delete ret; return nullptr; } Label* Label::createWithBMFont(const std::string& bmfontPath, const std::string& text, const TextHAlignment& hAlignment, int maxLineWidth, const Vec2& imageOffset) { return createWithBMFont(bmfontPath, text, hAlignment, maxLineWidth, Rect(imageOffset.x, imageOffset.y, 0, 0), false); } Label* Label::createWithCharMap(const std::string& plistFile) { auto ret = new (std::nothrow) Label(); if (ret && ret->setCharMap(plistFile)) { ret->autorelease(); return ret; } delete ret; return nullptr; } Label* Label::createWithCharMap(Texture2D* texture, int itemWidth, int itemHeight, int startCharMap) { auto ret = new (std::nothrow) Label(); if (ret && ret->setCharMap(texture,itemWidth,itemHeight,startCharMap)) { ret->autorelease(); return ret; } delete ret; return nullptr; } Label* Label::createWithCharMap(const std::string& charMapFile, int itemWidth, int itemHeight, int startCharMap) { auto ret = new (std::nothrow) Label(); if (ret && ret->setCharMap(charMapFile,itemWidth,itemHeight,startCharMap)) { ret->autorelease(); return ret; } delete ret; return nullptr; } bool Label::setCharMap(const std::string& plistFile) { auto newAtlas = FontAtlasCache::getFontAtlasCharMap(plistFile); if (!newAtlas) { reset(); return false; } _currentLabelType = LabelType::CHARMAP; setFontAtlas(newAtlas); return true; } bool Label::initWithTTF(const std::string& text, const std::string& fontFilePath, float fontSize, const Size& dimensions, TextHAlignment /*hAlignment*/, TextVAlignment /*vAlignment*/) { if (FileUtils::getInstance()->isFileExist(fontFilePath)) { TTFConfig ttfConfig(fontFilePath, fontSize, GlyphCollection::DYNAMIC); if (setTTFConfig(ttfConfig)) { setDimensions(dimensions.width, dimensions.height); setString(text); } return true; } return false; } bool Label::initWithTTF(const TTFConfig& ttfConfig, const std::string& text, TextHAlignment /*hAlignment*/, int maxLineWidth) { if (FileUtils::getInstance()->isFileExist(ttfConfig.fontFilePath) && setTTFConfig(ttfConfig)) { setMaxLineWidth(maxLineWidth); setString(text); return true; } return false; } bool Label::setCharMap(Texture2D* texture, int itemWidth, int itemHeight, int startCharMap) { auto newAtlas = FontAtlasCache::getFontAtlasCharMap(texture,itemWidth,itemHeight,startCharMap); if (!newAtlas) { reset(); return false; } _currentLabelType = LabelType::CHARMAP; setFontAtlas(newAtlas); return true; } bool Label::setCharMap(const std::string& charMapFile, int itemWidth, int itemHeight, int startCharMap) { auto newAtlas = FontAtlasCache::getFontAtlasCharMap(charMapFile,itemWidth,itemHeight,startCharMap); if (!newAtlas) { reset(); return false; } _currentLabelType = LabelType::CHARMAP; setFontAtlas(newAtlas); return true; } Label::Label(TextHAlignment hAlignment /* = TextHAlignment::LEFT */, TextVAlignment vAlignment /* = TextVAlignment::TOP */) : _textSprite(nullptr) , _shadowNode(nullptr) , _fontAtlas(nullptr) , _reusedLetter(nullptr) , _horizontalKernings(nullptr) , _boldEnabled(false) , _underlineNode(nullptr) , _strikethroughEnabled(false) { setAnchorPoint(Vec2::ANCHOR_MIDDLE); reset(); _hAlignment = hAlignment; _vAlignment = vAlignment; #if CC_LABEL_DEBUG_DRAW _debugDrawNode = DrawNode::create(); addChild(_debugDrawNode); #endif _purgeTextureListener = EventListenerCustom::create(FontAtlas::CMD_PURGE_FONTATLAS, [this](EventCustom* event){ if (_fontAtlas && _currentLabelType == LabelType::TTF && event->getUserData() == _fontAtlas) { for (auto&& it : _letters) { it.second->setTexture(nullptr); } _batchNodes.clear(); _batchCommands.clear(); if (_fontAtlas) { FontAtlasCache::releaseFontAtlas(_fontAtlas); } } }); _eventDispatcher->addEventListenerWithFixedPriority(_purgeTextureListener, 1); _resetTextureListener = EventListenerCustom::create(FontAtlas::CMD_RESET_FONTATLAS, [this](EventCustom* event){ if (_fontAtlas && _currentLabelType == LabelType::TTF && event->getUserData() == _fontAtlas) { _fontAtlas = nullptr; auto lineHeight = _lineHeight; this->setTTFConfig(_fontConfig); if (_currentLabelType != LabelType::STRING_TEXTURE) { setLineHeight(lineHeight); } for (auto&& it : _letters) { getLetter(it.first); } } }); _eventDispatcher->addEventListenerWithFixedPriority(_resetTextureListener, 2); } Label::~Label() { delete [] _horizontalKernings; if (_fontAtlas) { Node::removeAllChildrenWithCleanup(true); CC_SAFE_RELEASE_NULL(_reusedLetter); _batchNodes.clear(); FontAtlasCache::releaseFontAtlas(_fontAtlas); } _batchCommands.clear(); _eventDispatcher->removeEventListener(_purgeTextureListener); _eventDispatcher->removeEventListener(_resetTextureListener); CC_SAFE_RELEASE_NULL(_textSprite); CC_SAFE_RELEASE_NULL(_shadowNode); } void Label::reset() { CC_SAFE_RELEASE_NULL(_textSprite); CC_SAFE_RELEASE_NULL(_shadowNode); Node::removeAllChildrenWithCleanup(true); CC_SAFE_RELEASE_NULL(_reusedLetter); _letters.clear(); _batchNodes.clear(); _batchCommands.clear(); _lettersInfo.clear(); if (_fontAtlas) { FontAtlasCache::releaseFontAtlas(_fontAtlas); _fontAtlas = nullptr; } _currentLabelType = LabelType::STRING_TEXTURE; _currLabelEffect = LabelEffect::NORMAL; _contentDirty = false; _numberOfLines = 0; _lengthOfString = 0; _utf32Text.clear(); _utf8Text.clear(); TTFConfig temp; _fontConfig = temp; _outlineSize = 0.f; _bmFontPath = ""; _bmSubTextureKey = ""; _bmRect = Rect::ZERO; _bmRotated = false; _systemFontDirty = false; _systemFont = "Helvetica"; _systemFontSize = CC_DEFAULT_FONT_LABEL_SIZE; if (_horizontalKernings) { delete[] _horizontalKernings; _horizontalKernings = nullptr; } _additionalKerning = 0.f; _lineHeight = 0.f; _lineSpacing = 0.f; _maxLineWidth = 0.f; _labelDimensions.width = 0.f; _labelDimensions.height = 0.f; _labelWidth = 0.f; _labelHeight = 0.f; _lineBreakWithoutSpaces = false; _hAlignment = TextHAlignment::LEFT; _vAlignment = TextVAlignment::TOP; _effectColorF = Color4F::BLACK; _textColor = Color4B::WHITE; _textColorF = Color4F::WHITE; setColor(Color3B::WHITE); _shadowDirty = false; _shadowEnabled = false; _shadowBlurRadius = 0.f; _uniformEffectColor = -1; _uniformEffectType = -1; _uniformTextColor = -1; _useDistanceField = false; _useA8Shader = false; _clipEnabled = false; _blendFuncDirty = false; _blendFunc = BlendFunc::ALPHA_PREMULTIPLIED; _isOpacityModifyRGB = false; _insideBounds = true; _enableWrap = true; _bmFontSize = -1; _bmfontScale = 1.0f; _overflow = Overflow::NONE; _originalFontSize = 0.0f; _boldEnabled = false; if (_underlineNode) { removeChild(_underlineNode); _underlineNode = nullptr; } _strikethroughEnabled = false; setRotationSkewX(0); // reverse italics } // ETC1 ALPHA supports, for LabelType::BMFONT & LabelType::CHARMAP static Texture2D* _getTexture(Label* label) { auto fontAtlas = label->getFontAtlas(); Texture2D* texture = nullptr; if (fontAtlas != nullptr) { auto textures = fontAtlas->getTextures(); if(!textures.empty()) { texture = textures.begin()->second; } } return texture; } void Label::setVertexLayout() { auto vertexLayout = _programState->getVertexLayout(); ///a_position vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_POSITION, _programState->getAttributeLocation(backend::Attribute::POSITION), backend::VertexFormat::FLOAT3, 0, false); ///a_texCoord vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_TEXCOORD, _programState->getAttributeLocation(backend::Attribute::TEXCOORD), backend::VertexFormat::FLOAT2, offsetof(V3F_C4B_T2F, texCoords), false); ///a_color vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_COLOR, _programState->getAttributeLocation(backend::Attribute::COLOR), backend::VertexFormat::UBYTE4, offsetof(V3F_C4B_T2F, colors), true); vertexLayout->setLayout(sizeof(V3F_C4B_T2F)); } bool Label::attachProgramState(backend::ProgramState* programState) { if (Node::attachProgramState(programState)) { updateUniformLocations(); for (auto& batch : _batchCommands) { updateBatchCommand(batch); } auto& quadPipeline = _quadCommand.getPipelineDescriptor(); setVertexLayout(); quadPipeline.programState = _programState; return true; } return false; } void Label::updateShaderProgram() { auto programType = backend::ProgramType::POSITION_TEXTURE_COLOR; if (_currentLabelType == LabelType::BMFONT || _currentLabelType == LabelType::CHARMAP) { auto texture = _getTexture(this); if(texture) { programType = backend::ProgramStateRegistry::getInstance()->getProgramType(programType, texture->getTextureFormatEXT()); } } else { switch (_currLabelEffect) { case cocos2d::LabelEffect::NORMAL: if (_useDistanceField) { programType = backend::ProgramType::LABEL_DISTANCE_NORMAL; } else if (_useA8Shader) { programType = backend::ProgramType::LABEL_NORMAL; } else { auto texture = _getTexture(this); if(texture) { programType = backend::ProgramStateRegistry::getInstance()->getProgramType(programType, texture->getTextureFormatEXT()); } } break; case cocos2d::LabelEffect::OUTLINE: { programType = backend::ProgramType::LABLE_OUTLINE; } break; case cocos2d::LabelEffect::GLOW: if (_useDistanceField) { programType = backend::ProgramType::LABLE_DISTANCEFIELD_GLOW; } break; default: return; } } auto* program = backend::Program::getBuiltinProgram(programType); attachProgramState(new backend::ProgramState(program)); updateUniformLocations(); for (auto &batch : _batchCommands) { updateBatchCommand(batch); } auto &quadPipeline = _quadCommand.getPipelineDescriptor(); setVertexLayout(); quadPipeline.programState = _programState; } void Label::updateBatchCommand(Label::BatchCommand &batch) { CCASSERT(_programState, "programState should be set!"); batch.setProgramState(_programState); } void Label::updateUniformLocations() { _mvpMatrixLocation = _programState->getUniformLocation(backend::Uniform::MVP_MATRIX); _textureLocation = _programState->getUniformLocation(backend::Uniform::TEXTURE); _textColorLocation = _programState->getUniformLocation(backend::Uniform::TEXT_COLOR); _effectColorLocation = _programState->getUniformLocation(backend::Uniform::EFFECT_COLOR); _effectTypeLocation = _programState->getUniformLocation(backend::Uniform::EFFECT_TYPE); } void Label::setFontAtlas(FontAtlas* atlas,bool distanceFieldEnabled /* = false */, bool useA8Shader /* = false */) { if(atlas) { _systemFontDirty = false; } if (atlas == _fontAtlas) return; CC_SAFE_RETAIN(atlas); if (_fontAtlas) { _batchNodes.clear(); FontAtlasCache::releaseFontAtlas(_fontAtlas); } _fontAtlas = atlas; if (_reusedLetter == nullptr) { _reusedLetter = Sprite::create(); _reusedLetter->setOpacityModifyRGB(_isOpacityModifyRGB); _reusedLetter->retain(); _reusedLetter->setAnchorPoint(Vec2::ANCHOR_TOP_LEFT); } if (_fontAtlas) { _lineHeight = _fontAtlas->getLineHeight(); _contentDirty = true; _systemFontDirty = false; } _useDistanceField = distanceFieldEnabled; _useA8Shader = useA8Shader; if (_currentLabelType != LabelType::TTF) { _currLabelEffect = LabelEffect::NORMAL; updateShaderProgram(); } } bool Label::setTTFConfig(const TTFConfig& ttfConfig) { _originalFontSize = ttfConfig.fontSize; return setTTFConfigInternal(ttfConfig); } bool Label::setBMFontFilePath(const std::string& bmfontFilePath, float fontSize) { FontAtlas* newAtlas = FontAtlasCache::getFontAtlasFNT(bmfontFilePath); if (!newAtlas) { reset(); return false; } //assign the default fontSize if (std::abs(fontSize) < FLT_EPSILON) { FontFNT* bmFont = (FontFNT*)newAtlas->getFont(); if (bmFont) { float originalFontSize = bmFont->getOriginalFontSize(); _bmFontSize = originalFontSize / CC_CONTENT_SCALE_FACTOR(); } } if (fontSize > 0.0f) { _bmFontSize = fontSize; } _bmFontPath = bmfontFilePath; _currentLabelType = LabelType::BMFONT; setFontAtlas(newAtlas); return true; } bool Label::setBMFontFilePath(const std::string& bmfontFilePath, const Rect& imageRect, bool imageRotated, float fontSize) { FontAtlas *newAtlas = FontAtlasCache::getFontAtlasFNT(bmfontFilePath, imageRect, imageRotated); if (!newAtlas) { reset(); return false; } //assign the default fontSize if (std::abs(fontSize) < FLT_EPSILON) { FontFNT *bmFont = (FontFNT*)newAtlas->getFont(); if (bmFont) { float originalFontSize = bmFont->getOriginalFontSize(); _bmFontSize = originalFontSize / CC_CONTENT_SCALE_FACTOR(); } } if(fontSize > 0.0f){ _bmFontSize = fontSize; } _bmFontPath = bmfontFilePath; _bmRect = imageRect; _bmRotated = imageRotated; _currentLabelType = LabelType::BMFONT; setFontAtlas(newAtlas); return true; } bool Label::setBMFontFilePath(const std::string& bmfontFilePath, const std::string& subTextureKey, float fontSize) { FontAtlas* newAtlas = FontAtlasCache::getFontAtlasFNT(bmfontFilePath, subTextureKey); if (!newAtlas) { reset(); return false; } //assign the default fontSize if (std::abs(fontSize) < FLT_EPSILON) { FontFNT* bmFont = (FontFNT*)newAtlas->getFont(); if (bmFont) { float originalFontSize = bmFont->getOriginalFontSize(); _bmFontSize = originalFontSize / CC_CONTENT_SCALE_FACTOR(); } } if (fontSize > 0.0f) { _bmFontSize = fontSize; } _bmFontPath = bmfontFilePath; _bmSubTextureKey = subTextureKey; _currentLabelType = LabelType::BMFONT; setFontAtlas(newAtlas); return true; } bool Label::setBMFontFilePath(const std::string& bmfontFilePath, const Vec2& imageOffset, float fontSize) { return setBMFontFilePath(bmfontFilePath, Rect(imageOffset.x, imageOffset.y, 0, 0), false); } void Label::setString(const std::string& text) { if (text.compare(_utf8Text)) { _utf8Text = text; _contentDirty = true; std::u32string utf32String; if (StringUtils::UTF8ToUTF32(_utf8Text, utf32String)) { _utf32Text = utf32String; } } } void Label::setAlignment(TextHAlignment hAlignment,TextVAlignment vAlignment) { if (hAlignment != _hAlignment || vAlignment != _vAlignment) { _hAlignment = hAlignment; _vAlignment = vAlignment; _contentDirty = true; } } void Label::setMaxLineWidth(float maxLineWidth) { if (_labelWidth == 0 && _maxLineWidth != maxLineWidth) { _maxLineWidth = maxLineWidth; _contentDirty = true; } } void Label::setDimensions(float width, float height) { if(_overflow == Overflow::RESIZE_HEIGHT){ height = 0; } if (height != _labelHeight || width != _labelWidth) { _labelWidth = width; _labelHeight = height; _labelDimensions.width = width; _labelDimensions.height = height; _maxLineWidth = width; _contentDirty = true; if(_overflow == Overflow::SHRINK){ if (_originalFontSize > 0) { this->restoreFontSize(); } } } } void Label::restoreFontSize() { if(_currentLabelType == LabelType::TTF){ auto ttfConfig = this->getTTFConfig(); ttfConfig.fontSize = _originalFontSize; this->setTTFConfigInternal(ttfConfig); }else if(_currentLabelType == LabelType::BMFONT){ this->setBMFontSizeInternal(_originalFontSize); }else if(_currentLabelType == LabelType::STRING_TEXTURE){ this->setSystemFontSize(_originalFontSize); } } void Label::setLineBreakWithoutSpace(bool breakWithoutSpace) { if (breakWithoutSpace != _lineBreakWithoutSpaces) { _lineBreakWithoutSpaces = breakWithoutSpace; _contentDirty = true; } } void Label::updateLabelLetters() { if (!_letters.empty()) { Rect uvRect; LabelLetter* letterSprite; int letterIndex; for (auto it = _letters.begin(); it != _letters.end();) { letterIndex = it->first; letterSprite = (LabelLetter*)it->second; if (letterIndex >= _lengthOfString) { Node::removeChild(letterSprite, true); it = _letters.erase(it); } else { auto& letterInfo = _lettersInfo[letterIndex]; if (letterInfo.valid) { auto& letterDef = _fontAtlas->_letterDefinitions[letterInfo.utf32Char]; uvRect.size.height = letterDef.height; uvRect.size.width = letterDef.width; uvRect.origin.x = letterDef.U; uvRect.origin.y = letterDef.V; auto batchNode = _batchNodes.at(letterDef.textureID); letterSprite->setTextureAtlas(batchNode->getTextureAtlas()); letterSprite->setTexture(_fontAtlas->getTexture(letterDef.textureID)); if (letterDef.width <= 0.f || letterDef.height <= 0.f) { letterSprite->setTextureAtlas(nullptr); } else { letterSprite->setTextureRect(uvRect, letterDef.rotated, uvRect.size); letterSprite->setTextureAtlas(_batchNodes.at(letterDef.textureID)->getTextureAtlas()); letterSprite->setAtlasIndex(_lettersInfo[letterIndex].atlasIndex); } auto px = letterInfo.positionX + letterDef.width / 2 + _linesOffsetX[letterInfo.lineIndex]; auto py = letterInfo.positionY - letterDef.height / 2 + _letterOffsetY; letterSprite->setPosition(px, py); } else { letterSprite->setTextureAtlas(nullptr); } this->updateLetterSpriteScale(letterSprite); ++it; } } } } bool Label::alignText() { if (_fontAtlas == nullptr || _utf32Text.empty()) { setContentSize(Size::ZERO); return true; } bool ret = true; do { _fontAtlas->prepareLetterDefinitions(_utf32Text); auto& textures = _fontAtlas->getTextures(); auto size = textures.size(); if (size > static_cast(_batchNodes.size())) { for (auto index = static_cast(_batchNodes.size()); index < size; ++index) { auto batchNode = SpriteBatchNode::createWithTexture(textures.at(index)); if (batchNode) { _isOpacityModifyRGB = batchNode->getTexture()->hasPremultipliedAlpha(); _blendFunc = batchNode->getBlendFunc(); batchNode->setAnchorPoint(Vec2::ANCHOR_TOP_LEFT); batchNode->setPosition(Vec2::ZERO); _batchNodes.pushBack(batchNode); } } } if (_batchNodes.empty()) { return true; } // optimize for one-texture-only scenario // if multiple textures, then we should count how many chars // are per texture if (_batchNodes.size()==1) _batchNodes.at(0)->reserveCapacity(_utf32Text.size()); _reusedLetter->setBatchNode(_batchNodes.at(0)); _lengthOfString = 0; _textDesiredHeight = 0.f; _linesWidth.clear(); if (_maxLineWidth > 0.f && !_lineBreakWithoutSpaces) { multilineTextWrapByWord(); } else { multilineTextWrapByChar(); } computeAlignmentOffset(); if(_overflow == Overflow::SHRINK){ float fontSize = this->getRenderingFontSize(); if(fontSize > 0 && isVerticalClamp()){ this->shrinkLabelToContentSize(CC_CALLBACK_0(Label::isVerticalClamp, this)); } } if(!updateQuads()){ ret = false; if(_overflow == Overflow::SHRINK){ this->shrinkLabelToContentSize(CC_CALLBACK_0(Label::isHorizontalClamp, this)); } break; } updateLabelLetters(); updateColor(); }while (0); return ret; } bool Label::computeHorizontalKernings(const std::u32string& stringToRender) { if (_horizontalKernings) { delete [] _horizontalKernings; _horizontalKernings = nullptr; } int letterCount = 0; _horizontalKernings = _fontAtlas->getFont()->getHorizontalKerningForTextUTF32(stringToRender, letterCount); if(!_horizontalKernings) return false; else return true; } bool Label::isHorizontalClamped(float letterPositionX, int lineIndex) { auto wordWidth = this->_linesWidth[lineIndex]; bool letterOverClamp = (letterPositionX > _contentSize.width || letterPositionX < 0); if (!_enableWrap) { return letterOverClamp; }else{ return (wordWidth > this->_contentSize.width && letterOverClamp); } } bool Label::updateQuads() { bool ret = true; for (auto&& batchNode : _batchNodes) { batchNode->getTextureAtlas()->removeAllQuads(); } for (int ctr = 0; ctr < _lengthOfString; ++ctr) { if (_lettersInfo[ctr].valid) { auto& letterDef = _fontAtlas->_letterDefinitions[_lettersInfo[ctr].utf32Char]; _reusedRect.size.height = letterDef.height; _reusedRect.size.width = letterDef.width; _reusedRect.origin.x = letterDef.U; _reusedRect.origin.y = letterDef.V; auto py = _lettersInfo[ctr].positionY + _letterOffsetY; if (_labelHeight > 0.f) { if (py > _tailoredTopY) { auto clipTop = py - _tailoredTopY; _reusedRect.origin.y += clipTop; _reusedRect.size.height -= clipTop; py -= clipTop; } if (py - letterDef.height * _bmfontScale < _tailoredBottomY) { _reusedRect.size.height = (py < _tailoredBottomY) ? 0.f : (py - _tailoredBottomY); } } auto lineIndex = _lettersInfo[ctr].lineIndex; auto px = _lettersInfo[ctr].positionX + letterDef.width/2 * _bmfontScale + _linesOffsetX[lineIndex]; if(_labelWidth > 0.f){ if (this->isHorizontalClamped(px, lineIndex)) { if(_overflow == Overflow::CLAMP){ _reusedRect.size.width = 0; }else if(_overflow == Overflow::SHRINK){ if (_contentSize.width > letterDef.width) { ret = false; break; }else{ _reusedRect.size.width = 0; } } } } if (_reusedRect.size.height > 0.f && _reusedRect.size.width > 0.f) { _reusedLetter->setTextureRect(_reusedRect, letterDef.rotated, _reusedRect.size); float letterPositionX = _lettersInfo[ctr].positionX + _linesOffsetX[_lettersInfo[ctr].lineIndex]; _reusedLetter->setPosition(letterPositionX, py); auto index = static_cast(_batchNodes.at(letterDef.textureID)->getTextureAtlas()->getTotalQuads()); _lettersInfo[ctr].atlasIndex = index; this->updateLetterSpriteScale(_reusedLetter); _batchNodes.at(letterDef.textureID)->insertQuadFromSprite(_reusedLetter, index); } } } return ret; } bool Label::setTTFConfigInternal(const TTFConfig& ttfConfig) { FontAtlas *newAtlas = FontAtlasCache::getFontAtlasTTF(&ttfConfig); if (!newAtlas) { reset(); return false; } _currentLabelType = LabelType::TTF; setFontAtlas(newAtlas,ttfConfig.distanceFieldEnabled,true); _fontConfig = ttfConfig; if (_fontConfig.outlineSize > 0) { _fontConfig.distanceFieldEnabled = false; _useDistanceField = false; _useA8Shader = false; _currLabelEffect = LabelEffect::OUTLINE; updateShaderProgram(); } else { _currLabelEffect = LabelEffect::NORMAL; updateShaderProgram(); } if (_fontConfig.italics) this->enableItalics(); if (_fontConfig.bold) this->enableBold(); if (_fontConfig.underline) this->enableUnderline(); if (_fontConfig.strikethrough) this->enableStrikethrough(); return true; } void Label::setBMFontSizeInternal(float fontSize) { if(_currentLabelType == LabelType::BMFONT) { if (!_bmSubTextureKey.empty()) { this->setBMFontFilePath(_bmFontPath, _bmSubTextureKey, fontSize); } else { this->setBMFontFilePath(_bmFontPath, _bmRect, _bmRotated, fontSize); } _contentDirty = true; } } void Label::scaleFontSizeDown(float fontSize) { bool shouldUpdateContent = true; if(_currentLabelType == LabelType::TTF){ auto ttfConfig = this->getTTFConfig(); ttfConfig.fontSize = fontSize; this->setTTFConfigInternal(ttfConfig); }else if(_currentLabelType == LabelType::BMFONT){ if (std::abs(fontSize) < FLT_EPSILON) { fontSize = 0.1f; shouldUpdateContent = false; } this->setBMFontSizeInternal(fontSize); }else if (_currentLabelType == LabelType::STRING_TEXTURE){ this->setSystemFontSize(fontSize); } if (shouldUpdateContent) { this->updateContent(); } } void Label::enableGlow(const Color4B& glowColor) { if (_currentLabelType == LabelType::TTF) { if (_fontConfig.distanceFieldEnabled == false) { auto config = _fontConfig; config.outlineSize = 0; config.distanceFieldEnabled = true; setTTFConfig(config); _contentDirty = true; } _currLabelEffect = LabelEffect::GLOW; _effectColorF.r = glowColor.r / 255.0f; _effectColorF.g = glowColor.g / 255.0f; _effectColorF.b = glowColor.b / 255.0f; _effectColorF.a = glowColor.a / 255.0f; updateShaderProgram(); } } void Label::enableOutline(const Color4B& outlineColor,int outlineSize /* = -1 */) { CCASSERT(_currentLabelType == LabelType::STRING_TEXTURE || _currentLabelType == LabelType::TTF, "Only supported system font and TTF!"); if (outlineSize > 0 || _currLabelEffect == LabelEffect::OUTLINE) { if (_currentLabelType == LabelType::TTF) { _effectColorF.r = outlineColor.r / 255.0f; _effectColorF.g = outlineColor.g / 255.0f; _effectColorF.b = outlineColor.b / 255.0f; _effectColorF.a = outlineColor.a / 255.0f; if (outlineSize > 0 && _fontConfig.outlineSize != outlineSize) { _fontConfig.outlineSize = outlineSize; setTTFConfig(_fontConfig); } } else if (_effectColorF != outlineColor || _outlineSize != outlineSize) { _effectColorF.r = outlineColor.r / 255.f; _effectColorF.g = outlineColor.g / 255.f; _effectColorF.b = outlineColor.b / 255.f; _effectColorF.a = outlineColor.a / 255.f; _currLabelEffect = LabelEffect::OUTLINE; _contentDirty = true; } _outlineSize = outlineSize; } } void Label::enableShadow(const Color4B& shadowColor /* = Color4B::BLACK */, const Size &offset /* = Size(2 ,-2)*/, int /* blurRadius = 0 */) { _shadowEnabled = true; _shadowDirty = true; _shadowOffset.width = offset.width; _shadowOffset.height = offset.height; //TODO: support blur for shadow _shadowColor3B.r = shadowColor.r; _shadowColor3B.g = shadowColor.g; _shadowColor3B.b = shadowColor.b; _shadowOpacity = shadowColor.a; if (!_systemFontDirty && !_contentDirty && _textSprite) { auto fontDef = _getFontDefinition(); if (_shadowNode) { if (shadowColor != _shadowColor4F) { _shadowNode->release(); _shadowNode = nullptr; createShadowSpriteForSystemFont(fontDef); } else { _shadowNode->setPosition(_shadowOffset.width, _shadowOffset.height); } } else { createShadowSpriteForSystemFont(fontDef); } } _shadowColor4F.r = shadowColor.r / 255.0f; _shadowColor4F.g = shadowColor.g / 255.0f; _shadowColor4F.b = shadowColor.b / 255.0f; _shadowColor4F.a = shadowColor.a / 255.0f; if (_currentLabelType == LabelType::BMFONT || _currentLabelType == LabelType::CHARMAP) { updateShaderProgram(); } } void Label::enableItalics() { setRotationSkewX(12); } void Label::enableBold() { if (!_boldEnabled) { // bold is implemented with outline enableShadow(Color4B::WHITE, Size(0.9f, 0), 0); // add one to kerning setAdditionalKerning(_additionalKerning+1); _boldEnabled = true; } } void Label::enableUnderline() { // remove it, just in case to prevent adding two or more if (!_underlineNode) { _underlineNode = DrawNode::create(); addChild(_underlineNode, 100000); _contentDirty = true; } } void Label::enableStrikethrough() { if (!_strikethroughEnabled) { enableUnderline(); _strikethroughEnabled = true; } } void Label::disableEffect() { disableEffect(LabelEffect::ALL); } void Label::disableEffect(LabelEffect effect) { switch (effect) { case cocos2d::LabelEffect::NORMAL: break; case cocos2d::LabelEffect::OUTLINE: if (_currLabelEffect == LabelEffect::OUTLINE) { if (_currentLabelType == LabelType::TTF) { _fontConfig.outlineSize = 0; setTTFConfig(_fontConfig); } _currLabelEffect = LabelEffect::NORMAL; _contentDirty = true; } break; case cocos2d::LabelEffect::SHADOW: if (_shadowEnabled) { _shadowEnabled = false; CC_SAFE_RELEASE_NULL(_shadowNode); updateShaderProgram(); } break; case cocos2d::LabelEffect::GLOW: if (_currLabelEffect == LabelEffect::GLOW) { _currLabelEffect = LabelEffect::NORMAL; updateShaderProgram(); } break; case cocos2d::LabelEffect::ITALICS: setRotationSkewX(0); break; case cocos2d::LabelEffect::BOLD: if (_boldEnabled) { _boldEnabled = false; _additionalKerning -= 1; disableEffect(LabelEffect::SHADOW); } break; case cocos2d::LabelEffect::UNDERLINE: if (_underlineNode) { removeChild(_underlineNode); _underlineNode = nullptr; } break; case cocos2d::LabelEffect::STRIKETHROUGH: _strikethroughEnabled = false; // since it is based on underline, disable it as well disableEffect(LabelEffect::UNDERLINE); break; case LabelEffect::ALL: { disableEffect(LabelEffect::SHADOW); disableEffect(LabelEffect::GLOW); disableEffect(LabelEffect::OUTLINE); disableEffect(LabelEffect::ITALICS); disableEffect(LabelEffect::BOLD); disableEffect(LabelEffect::UNDERLINE); disableEffect(LabelEffect::STRIKETHROUGH); } break; default: break; } } void Label::createSpriteForSystemFont(const FontDefinition& fontDef) { _currentLabelType = LabelType::STRING_TEXTURE; auto texture = new (std::nothrow) Texture2D; texture->initWithString(_utf8Text.c_str(), fontDef); _textSprite = Sprite::createWithTexture(texture); //set camera mask using label's camera mask, because _textSprite may be null when setting camera mask to label _textSprite->setCameraMask(getCameraMask()); _textSprite->setGlobalZOrder(getGlobalZOrder()); _textSprite->setAnchorPoint(Vec2::ANCHOR_BOTTOM_LEFT); this->setContentSize(_textSprite->getContentSize()); texture->release(); if (_blendFuncDirty) { _textSprite->setBlendFunc(_blendFunc); } _textSprite->retain(); _textSprite->updateDisplayedColor(_displayedColor); _textSprite->updateDisplayedOpacity(_displayedOpacity); } void Label::createShadowSpriteForSystemFont(const FontDefinition& fontDef) { if (!fontDef._stroke._strokeEnabled && fontDef._fontFillColor == _shadowColor3B && (fontDef._fontAlpha == _shadowOpacity)) { _shadowNode = Sprite::createWithTexture(_textSprite->getTexture()); } else { FontDefinition shadowFontDefinition = fontDef; shadowFontDefinition._fontFillColor.r = _shadowColor3B.r; shadowFontDefinition._fontFillColor.g = _shadowColor3B.g; shadowFontDefinition._fontFillColor.b = _shadowColor3B.b; shadowFontDefinition._fontAlpha = _shadowOpacity; shadowFontDefinition._stroke._strokeColor = shadowFontDefinition._fontFillColor; shadowFontDefinition._stroke._strokeAlpha = shadowFontDefinition._fontAlpha; auto texture = new (std::nothrow) Texture2D; texture->initWithString(_utf8Text.c_str(), shadowFontDefinition); _shadowNode = Sprite::createWithTexture(texture); texture->release(); } if (_shadowNode) { if (_blendFuncDirty) { _shadowNode->setBlendFunc(_blendFunc); } _shadowNode->setCameraMask(getCameraMask()); _shadowNode->setGlobalZOrder(getGlobalZOrder()); _shadowNode->setAnchorPoint(Vec2::ANCHOR_BOTTOM_LEFT); _shadowNode->setPosition(_shadowOffset.width, _shadowOffset.height); _shadowNode->retain(); _shadowNode->updateDisplayedColor(_displayedColor); _shadowNode->updateDisplayedOpacity(_displayedOpacity); } } void Label::setCameraMask(unsigned short mask, bool applyChildren) { Node::setCameraMask(mask, applyChildren); if (_textSprite) { _textSprite->setCameraMask(mask, applyChildren); } if (_shadowNode) { _shadowNode->setCameraMask(mask, applyChildren); } } void Label::updateContent() { if (_systemFontDirty) { if (_fontAtlas) { _batchNodes.clear(); _batchCommands.clear(); CC_SAFE_RELEASE_NULL(_reusedLetter); FontAtlasCache::releaseFontAtlas(_fontAtlas); _fontAtlas = nullptr; } _systemFontDirty = false; } CC_SAFE_RELEASE_NULL(_textSprite); CC_SAFE_RELEASE_NULL(_shadowNode); bool updateFinished = true; if (_fontAtlas) { std::u32string utf32String; if (StringUtils::UTF8ToUTF32(_utf8Text, utf32String)) { _utf32Text = utf32String; } computeHorizontalKernings(_utf32Text); updateFinished = alignText(); } else { auto fontDef = _getFontDefinition(); createSpriteForSystemFont(fontDef); if (_shadowEnabled) { createShadowSpriteForSystemFont(fontDef); } } if (_underlineNode) { _underlineNode->clear(); if (_numberOfLines) { // This is the logic for TTF fonts const float charheight = (_textDesiredHeight / _numberOfLines); _underlineNode->setLineWidth(charheight/6); // atlas font for (int i=0; i<_numberOfLines; ++i) { float offsety = 0; if (_strikethroughEnabled) offsety += charheight / 2; // FIXME: Might not work with different vertical alignments float y = (_numberOfLines - i - 1) * charheight + offsety; // Github issue #15214. Uses _displayedColor instead of _textColor for the underline. // This is to have the same behavior of SystemFonts. _underlineNode->drawLine(Vec2(_linesOffsetX[i],y), Vec2(_linesWidth[i] + _linesOffsetX[i],y), Color4F(_displayedColor)); } } else if (_textSprite) { // ...and is the logic for System fonts float y = 0; const auto spriteSize = _textSprite->getContentSize(); _underlineNode->setLineWidth(spriteSize.height/6); if (_strikethroughEnabled) // FIXME: system fonts don't report the height of the font correctly. only the size of the texture, which is POT y += spriteSize.height / 2; // FIXME: Might not work with different vertical alignments _underlineNode->drawLine(Vec2(0.0f,y), Vec2(spriteSize.width,y), Color4F(_textSprite->getDisplayedColor())); } } if(updateFinished){ _contentDirty = false; } #if CC_LABEL_DEBUG_DRAW _debugDrawNode->clear(); Vec2 vertices[4] = { Vec2::ZERO, Vec2(_contentSize.width, 0.0f), Vec2(_contentSize.width, _contentSize.height), Vec2(0.0f, _contentSize.height) }; _debugDrawNode->drawPoly(vertices, 4, true, Color4F::WHITE); #endif } void Label::setBMFontSize(float fontSize) { this->setBMFontSizeInternal(fontSize); _originalFontSize = fontSize; } float Label::getBMFontSize()const { return _bmFontSize; } void Label::updateBuffer(TextureAtlas* textureAtlas, CustomCommand& customCommand) { if (textureAtlas->getTotalQuads() > customCommand.getVertexCapacity()) { customCommand.createVertexBuffer((unsigned int)sizeof(V3F_C4B_T2F_Quad), (unsigned int)textureAtlas->getTotalQuads(), CustomCommand::BufferUsage::DYNAMIC); customCommand.createIndexBuffer(CustomCommand::IndexFormat::U_SHORT, (unsigned int)textureAtlas->getTotalQuads() * 6, CustomCommand::BufferUsage::DYNAMIC); } customCommand.updateVertexBuffer(textureAtlas->getQuads(), (unsigned int)(textureAtlas->getTotalQuads() * sizeof(V3F_C4B_T2F_Quad))); customCommand.updateIndexBuffer(textureAtlas->getIndices(), (unsigned int)(textureAtlas->getTotalQuads() * 6 * sizeof(unsigned short))); customCommand.setIndexDrawInfo(0, (unsigned int)(textureAtlas->getTotalQuads() * 6)); } void Label::updateEffectUniforms(BatchCommand &batch, TextureAtlas* textureAtlas, Renderer *renderer, const Mat4 &transform) { updateBuffer(textureAtlas, batch.textCommand); auto & matrixProjection = Director::getInstance()->getMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION); if (_shadowEnabled) { updateBuffer(textureAtlas, batch.shadowCommand); auto shadowMatrix = matrixProjection * _shadowTransform; batch.shadowCommand.getPipelineDescriptor().programState->setUniform(_mvpMatrixLocation, shadowMatrix.m, sizeof(shadowMatrix.m)); } if(_currentLabelType == LabelType::TTF) { switch (_currLabelEffect) { case LabelEffect::OUTLINE: { int effectType = 0; Vec4 effectColor(_effectColorF.r, _effectColorF.g, _effectColorF.b, _effectColorF.a); //draw shadow if(_shadowEnabled) { effectType = 2; Vec4 shadowColor = Vec4(_shadowColor4F.r, _shadowColor4F.g, _shadowColor4F.b, _shadowColor4F.a); auto *programStateShadow = batch.shadowCommand.getPipelineDescriptor().programState; programStateShadow->setUniform(_effectColorLocation, &shadowColor, sizeof(Vec4)); programStateShadow->setUniform(_effectTypeLocation, &effectType, sizeof(effectType)); batch.shadowCommand.init(_globalZOrder); renderer->addCommand(&batch.shadowCommand); } //draw outline { effectType = 1; updateBuffer(textureAtlas, batch.outLineCommand); auto *programStateOutline = batch.outLineCommand.getPipelineDescriptor().programState; programStateOutline->setUniform(_effectColorLocation, &effectColor, sizeof(Vec4)); programStateOutline->setUniform(_effectTypeLocation, &effectType, sizeof(effectType)); batch.outLineCommand.init(_globalZOrder); renderer->addCommand(&batch.outLineCommand); } //draw text { effectType = 0; auto *programStateText= batch.textCommand.getPipelineDescriptor().programState; programStateText->setUniform(_effectColorLocation, &effectColor, sizeof(effectColor)); programStateText->setUniform(_effectTypeLocation, &effectType, sizeof(effectType)); } } break; case LabelEffect::NORMAL: { if (_shadowEnabled) { Vec4 shadowColor = Vec4(_shadowColor4F.r, _shadowColor4F.g, _shadowColor4F.b, _shadowColor4F.a); auto *programStateShadow = batch.shadowCommand.getPipelineDescriptor().programState; programStateShadow->setUniform(_textColorLocation, &shadowColor, sizeof(Vec4)); batch.shadowCommand.init(_globalZOrder); renderer->addCommand(&batch.shadowCommand); } } break; case LabelEffect::GLOW: { //draw shadow if(_shadowEnabled) { Vec4 shadowColor = Vec4(_shadowColor4F.r, _shadowColor4F.g, _shadowColor4F.b, _shadowColor4F.a); auto *programStateShadow = batch.shadowCommand.getPipelineDescriptor().programState; programStateShadow->setUniform(_textColorLocation, &shadowColor, sizeof(Vec4)); programStateShadow->setUniform(_effectColorLocation, &shadowColor, sizeof(Vec4)); batch.shadowCommand.init(_globalZOrder); renderer->addCommand(&batch.shadowCommand); } Vec4 effectColor(_effectColorF.r, _effectColorF.g, _effectColorF.b, _effectColorF.a); batch.textCommand.getPipelineDescriptor().programState->setUniform(_effectColorLocation, &effectColor, sizeof(Vec4)); } break; default: break; } } else { if (_shadowEnabled) { Color3B oldColor = _realColor; uint8_t oldOPacity = _displayedOpacity; _displayedOpacity = _shadowColor4F.a * (oldOPacity / 255.0f) * 255; setColor(Color3B(_shadowColor4F)); batch.shadowCommand.updateVertexBuffer(textureAtlas->getQuads(), (unsigned int)(textureAtlas->getTotalQuads() * sizeof(V3F_C4B_T2F_Quad)) ); batch.shadowCommand.init(_globalZOrder); renderer->addCommand(&batch.shadowCommand); _displayedOpacity = oldOPacity; setColor(oldColor); } } batch.textCommand.init(_globalZOrder); renderer->addCommand(&batch.textCommand); } void Label::draw(Renderer *renderer, const Mat4 &transform, uint32_t flags) { if (_batchNodes.empty() || _lengthOfString <= 0) { return; } // Don't do calculate the culling if the transform was not updated bool transformUpdated = flags & FLAGS_TRANSFORM_DIRTY; #if CC_USE_CULLING auto visitingCamera = Camera::getVisitingCamera(); auto defaultCamera = Camera::getDefaultCamera(); if (visitingCamera == defaultCamera) { _insideBounds = (transformUpdated || visitingCamera->isViewProjectionUpdated()) ? renderer->checkVisibility(transform, _contentSize) : _insideBounds; } else { _insideBounds = renderer->checkVisibility(transform, _contentSize); } if (_insideBounds) #endif { cocos2d::Mat4 matrixProjection = Director::getInstance()->getMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION); if (!_shadowEnabled && (_currentLabelType == LabelType::BMFONT || _currentLabelType == LabelType::CHARMAP)) { updateBlendState(); for (auto&& it : _letters) { it.second->updateTransform(); } // ETC1 ALPHA supports for BMFONT & CHARMAP auto textureAtlas = _batchNodes.at(0)->getTextureAtlas(); if(!textureAtlas->getTotalQuads()) return; auto texture = textureAtlas->getTexture(); auto& pipelineQuad = _quadCommand.getPipelineDescriptor(); pipelineQuad.programState->setUniform(_mvpMatrixLocation, matrixProjection.m, sizeof(matrixProjection.m)); pipelineQuad.programState->setTexture(texture->getBackendTexture()); _quadCommand.init(_globalZOrder, texture, _blendFunc, textureAtlas->getQuads(), textureAtlas->getTotalQuads(), transform, flags); renderer->addCommand(&_quadCommand); } else { cocos2d::Mat4 matrixMVP = matrixProjection * transform; for (auto &&it : _letters) { it.second->updateTransform(); } int i = 0; if (_batchCommands.size() != _batchNodes.size()) { _batchCommands.resize(_batchNodes.size()); updateShaderProgram(); } updateBlendState(); for (auto&& batchNode : _batchNodes) { auto textureAtlas = batchNode->getTextureAtlas(); if (!textureAtlas->getTotalQuads()) continue; auto &batch = _batchCommands[i++]; for (auto command : batch.getCommandArray()) { auto *programState = command->getPipelineDescriptor().programState; Vec4 textColor(_textColorF.r, _textColorF.g, _textColorF.b, _textColorF.a); programState->setUniform(_textColorLocation, &textColor, sizeof(Vec4)); programState->setTexture(textureAtlas->getTexture()->getBackendTexture()); } batch.textCommand.getPipelineDescriptor().programState->setUniform(_mvpMatrixLocation, matrixMVP.m, sizeof(matrixMVP.m)); batch.outLineCommand.getPipelineDescriptor().programState->setUniform(_mvpMatrixLocation, matrixMVP.m, sizeof(matrixMVP.m)); updateEffectUniforms(batch, textureAtlas, renderer, transform); } } } } void Label::updateBlendState() { setOpacityModifyRGB(_blendFunc != BlendFunc::ALPHA_NON_PREMULTIPLIED); for(auto &batch: _batchCommands) { for(auto command : batch.getCommandArray()) { auto & blendDescriptor = command->getPipelineDescriptor().blendDescriptor; updateBlend(blendDescriptor, _blendFunc); } } updateBlend(_quadCommand.getPipelineDescriptor().blendDescriptor, _blendFunc); } void Label::visit(Renderer *renderer, const Mat4 &parentTransform, uint32_t parentFlags) { if (! _visible || (_utf8Text.empty() && _children.empty()) ) { return; } if (_systemFontDirty || _contentDirty) { updateContent(); } uint32_t flags = processParentFlags(parentTransform, parentFlags); if (!_utf8Text.empty() && _shadowEnabled && (_shadowDirty || (flags & FLAGS_DIRTY_MASK))) { _position.x += _shadowOffset.width; _position.y += _shadowOffset.height; _transformDirty = _inverseDirty = true; _shadowTransform = transform(parentTransform); _position.x -= _shadowOffset.width; _position.y -= _shadowOffset.height; _transformDirty = _inverseDirty = true; _shadowDirty = false; } bool visibleByCamera = isVisitableByVisitingCamera(); if (_children.empty() && !_textSprite && !visibleByCamera) { return; } // IMPORTANT: // To ease the migration to v3.0, we still support the Mat4 stack, // but it is deprecated and your code should not rely on it _director->pushMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW); _director->loadMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW, _modelViewTransform); if (!_children.empty()) { sortAllChildren(); int i = 0; // draw children zOrder < 0 for (auto size = _children.size(); i < size; ++i) { auto node = _children.at(i); if (node && node->getLocalZOrder() < 0) node->visit(renderer, _modelViewTransform, flags); else break; } this->drawSelf(visibleByCamera, renderer, flags); for (auto it = _children.cbegin() + i, itCend = _children.cend(); it != itCend; ++it) { (*it)->visit(renderer, _modelViewTransform, flags); } } else { this->drawSelf(visibleByCamera, renderer, flags); } _director->popMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW); } void Label::drawSelf(bool visibleByCamera, Renderer* renderer, uint32_t flags) { if (_textSprite) { if (_shadowNode) { _shadowNode->visit(renderer, _modelViewTransform, flags); } _textSprite->visit(renderer, _modelViewTransform, flags); } else if (visibleByCamera && !_utf8Text.empty()) { draw(renderer, _modelViewTransform, flags); } } void Label::setSystemFontName(const std::string& systemFont) { if (systemFont != _systemFont) { _systemFont = systemFont; _currentLabelType = LabelType::STRING_TEXTURE; _systemFontDirty = true; } } void Label::setSystemFontSize(float fontSize) { if (_systemFontSize != fontSize) { _systemFontSize = fontSize; _originalFontSize = fontSize; _currentLabelType = LabelType::STRING_TEXTURE; _systemFontDirty = true; } } ///// PROTOCOL STUFF Sprite* Label::getLetter(int letterIndex) { Sprite* letter = nullptr; do { if (_systemFontDirty || _currentLabelType == LabelType::STRING_TEXTURE) { break; } auto contentDirty = _contentDirty; if (contentDirty) { updateContent(); } if (_textSprite == nullptr && letterIndex < _lengthOfString) { const auto &letterInfo = _lettersInfo[letterIndex]; if (!letterInfo.valid || letterInfo.atlasIndex<0) { break; } if (_letters.find(letterIndex) != _letters.end()) { letter = _letters[letterIndex]; } if (letter == nullptr) { auto& letterDef = _fontAtlas->_letterDefinitions[letterInfo.utf32Char]; auto textureID = letterDef.textureID; Rect uvRect; uvRect.size.height = letterDef.height; uvRect.size.width = letterDef.width; uvRect.origin.x = letterDef.U; uvRect.origin.y = letterDef.V; if (letterDef.width <= 0.f || letterDef.height <= 0.f) { letter = LabelLetter::create(); } else { this->updateBMFontScale(); letter = LabelLetter::createWithTexture(_fontAtlas->getTexture(textureID), uvRect, letterDef.rotated); letter->setTextureAtlas(_batchNodes.at(textureID)->getTextureAtlas()); letter->setAtlasIndex(letterInfo.atlasIndex); auto px = letterInfo.positionX + _bmfontScale * uvRect.size.width / 2 + _linesOffsetX[letterInfo.lineIndex]; auto py = letterInfo.positionY - _bmfontScale * uvRect.size.height / 2 + _letterOffsetY; letter->setPosition(px,py); letter->setOpacity(_realOpacity); this->updateLetterSpriteScale(letter); } addChild(letter); _letters[letterIndex] = letter; } } } while (false); return letter; } void Label::setLineHeight(float height) { CCASSERT(_currentLabelType != LabelType::STRING_TEXTURE, "Not supported system font!"); if (_lineHeight != height) { _lineHeight = height; _contentDirty = true; } } float Label::getLineHeight() const { CCASSERT(_currentLabelType != LabelType::STRING_TEXTURE, "Not supported system font!"); return _textSprite ? 0.0f : _lineHeight * _bmfontScale; } void Label::setLineSpacing(float height) { if (_lineSpacing != height) { _lineSpacing = height; _contentDirty = true; } } float Label::getLineSpacing() const { return _lineSpacing; } void Label::setAdditionalKerning(float space) { if (_currentLabelType != LabelType::STRING_TEXTURE) { if (_additionalKerning != space) { _additionalKerning = space; _contentDirty = true; } } else CCLOG("Label::setAdditionalKerning not supported on LabelType::STRING_TEXTURE"); } float Label::getAdditionalKerning() const { CCASSERT(_currentLabelType != LabelType::STRING_TEXTURE, "Not supported system font!"); return _additionalKerning; } void Label::computeStringNumLines() { int quantityOfLines = 1; if (_utf32Text.empty()) { _numberOfLines = 0; return; } // count number of lines size_t stringLen = _utf32Text.length(); for (size_t i = 0; i < stringLen - 1; ++i) { if (_utf32Text[i] == StringUtils::UnicodeCharacters::NewLine) { quantityOfLines++; } } _numberOfLines = quantityOfLines; } int Label::getStringNumLines() { if (_contentDirty) { updateContent(); } if (_currentLabelType == LabelType::STRING_TEXTURE) { computeStringNumLines(); } return _numberOfLines; } int Label::getStringLength() { _lengthOfString = static_cast(_utf32Text.length()); return _lengthOfString; } // RGBA protocol void Label::setOpacityModifyRGB(bool isOpacityModifyRGB) { if (isOpacityModifyRGB != _isOpacityModifyRGB) { _isOpacityModifyRGB = isOpacityModifyRGB; updateColor(); } } void Label::updateDisplayedColor(const Color3B& parentColor) { Node::updateDisplayedColor(parentColor); if (_textSprite) { _textSprite->updateDisplayedColor(_displayedColor); } if (_shadowNode) { _shadowNode->updateDisplayedColor(_displayedColor); } if (_underlineNode) { // FIXME: _underlineNode is not a sprite/label. It is a DrawNode // and updating its color doesn't work. it must be re-drawn, // which makes it super expensive to change update it frequently // Correct solution is to update the DrawNode directly since we know it is // a line. Returning a pointer to the line is an option _contentDirty = true; } for (auto&& it : _letters) { it.second->updateDisplayedColor(_displayedColor); } } void Label::updateDisplayedOpacity(uint8_t parentOpacity) { Node::updateDisplayedOpacity(parentOpacity); if (_textSprite) { _textSprite->updateDisplayedOpacity(_displayedOpacity); if (_shadowNode) { _shadowNode->updateDisplayedOpacity(_displayedOpacity); } } for (auto&& it : _letters) { it.second->updateDisplayedOpacity(_displayedOpacity); } } // FIXME: it is not clear what is the difference between setTextColor() and setColor() // if setTextColor() only changes the text and nothing but the text (no glow, no outline, not underline) // that's fine but it should be documented void Label::setTextColor(const Color4B &color) { CCASSERT(_currentLabelType == LabelType::TTF || _currentLabelType == LabelType::STRING_TEXTURE, "Only supported system font and ttf!"); if (_currentLabelType == LabelType::STRING_TEXTURE && _textColor != color) { _contentDirty = true; } _textColor = color; _textColorF.r = _textColor.r / 255.0f; _textColorF.g = _textColor.g / 255.0f; _textColorF.b = _textColor.b / 255.0f; _textColorF.a = _textColor.a / 255.0f; } void Label::updateColor() { if (_batchNodes.empty()) { return; } Color4B color4( _displayedColor.r, _displayedColor.g, _displayedColor.b, _displayedOpacity ); // special opacity for premultiplied textures if (_isOpacityModifyRGB) { color4.r *= _displayedOpacity/255.0f; color4.g *= _displayedOpacity/255.0f; color4.b *= _displayedOpacity/255.0f; } cocos2d::TextureAtlas* textureAtlas; V3F_C4B_T2F_Quad *quads; for (auto&& batchNode:_batchNodes) { textureAtlas = batchNode->getTextureAtlas(); quads = textureAtlas->getQuads(); auto count = textureAtlas->getTotalQuads(); for (int index = 0; index < count; ++index) { quads[index].bl.colors = color4; quads[index].br.colors = color4; quads[index].tl.colors = color4; quads[index].tr.colors = color4; textureAtlas->updateQuad(&quads[index], index); } } } std::string Label::getDescription() const { char tmp[50]; sprintf(tmp, "