axmol/cocos/2d/CCLabel.cpp

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/****************************************************************************
Copyright (c) 2013 Zynga Inc.
Copyright (c) 2013-2014 Chukong Technologies Inc.
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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"
Squashed commit of the following: commit c16dcfaaea0922039aad05bce1f4efed18e04871 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 19:05:18 2014 -0700 more linux fixes commit 1553795976c9090a1b46deb53d12910fe0676008 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 19:04:04 2014 -0700 more linux fixes commit 1e43a8cabff33cbf25aa5eb5412f53a878222d83 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 19:02:07 2014 -0700 fixes linux isuses commit 723a445dd6411f91846da2b801248ad8298174f1 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:58:50 2014 -0700 more linux fixes commit 533c8025e794fc76cef02f396b3a93b3d7f4cfc8 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:57:33 2014 -0700 more linux fixes commit 4ba1e84959670bcbf044f18d1c0d4b3cb3be4090 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:53:43 2014 -0700 more linux fixes commit 1f8e011f306a47ed4134224e5e349929201f0539 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:49:28 2014 -0700 more linux fixes commit 3e2033100822ff6d532a1b4f012337491dc11920 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:47:43 2014 -0700 more linux fixes commit 2e708863c75fd032f1b2396dfdf1d31f7a62b713 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:46:00 2014 -0700 more linux fixes commit 861b5b92a6efd4de7b926c20d636ce9d749b293f Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:43:15 2014 -0700 more linux fixes commit 2a43365a0c1755e9b9cada53301be1a20adb31cf Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:36:06 2014 -0700 more fixes for linux commit 7d332bf911892f87c7824d2a5da7bf73ce7ec411 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:35:29 2014 -0700 more fixes for linux commit f1becc17d3316dfe3678c23c9dcedb7a447d9235 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:34:44 2014 -0700 more fixes for linux commit d2e5959bb0dde921dd5e73be1d8acc3b3f50e51d Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:33:45 2014 -0700 fixes for linux commit ad9b633c352107cf0e8b060a0e23d6e6a3f5e80f Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:16:48 2014 -0700 compiles on Windows commit 4425ee8e5de8f42a2d6050e4470109600dce8b5d Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:07:20 2014 -0700 fix builder
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#include "2d/CCFontAtlasCache.h"
#include "2d/CCSprite.h"
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#include "2d/CCLabelTextFormatter.h"
#include "2d/ccUTF8.h"
#include "2d/CCSpriteFrame.h"
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#include "2d/platform/CCFileUtils.h"
#include "2d/CCFont.h"
#include "renderer/CCGLProgramState.h"
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#include "renderer/CCRenderer.h"
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#include "base/CCDirector.h"
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#include "base/CCEventListenerCustom.h"
#include "base/CCEventDispatcher.h"
#include "base/CCEventType.h"
#include "base/CCEventCustom.h"
Squashed commit of the following: commit c16dcfaaea0922039aad05bce1f4efed18e04871 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 19:05:18 2014 -0700 more linux fixes commit 1553795976c9090a1b46deb53d12910fe0676008 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 19:04:04 2014 -0700 more linux fixes commit 1e43a8cabff33cbf25aa5eb5412f53a878222d83 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 19:02:07 2014 -0700 fixes linux isuses commit 723a445dd6411f91846da2b801248ad8298174f1 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:58:50 2014 -0700 more linux fixes commit 533c8025e794fc76cef02f396b3a93b3d7f4cfc8 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:57:33 2014 -0700 more linux fixes commit 4ba1e84959670bcbf044f18d1c0d4b3cb3be4090 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:53:43 2014 -0700 more linux fixes commit 1f8e011f306a47ed4134224e5e349929201f0539 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:49:28 2014 -0700 more linux fixes commit 3e2033100822ff6d532a1b4f012337491dc11920 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:47:43 2014 -0700 more linux fixes commit 2e708863c75fd032f1b2396dfdf1d31f7a62b713 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:46:00 2014 -0700 more linux fixes commit 861b5b92a6efd4de7b926c20d636ce9d749b293f Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:43:15 2014 -0700 more linux fixes commit 2a43365a0c1755e9b9cada53301be1a20adb31cf Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:36:06 2014 -0700 more fixes for linux commit 7d332bf911892f87c7824d2a5da7bf73ce7ec411 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:35:29 2014 -0700 more fixes for linux commit f1becc17d3316dfe3678c23c9dcedb7a447d9235 Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:34:44 2014 -0700 more fixes for linux commit d2e5959bb0dde921dd5e73be1d8acc3b3f50e51d Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:33:45 2014 -0700 fixes for linux commit ad9b633c352107cf0e8b060a0e23d6e6a3f5e80f Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:16:48 2014 -0700 compiles on Windows commit 4425ee8e5de8f42a2d6050e4470109600dce8b5d Author: Ricardo Quesada <ricardoquesada@gmail.com> Date: Wed Apr 30 18:07:20 2014 -0700 fix builder
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#include "base/CCProfiling.h"
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#include "deprecated/CCString.h"
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NS_CC_BEGIN
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const int Label::DistanceFieldFontSize = 50;
Label* Label::create()
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{
auto ret = new Label();
if (ret)
{
ret->autorelease();
}
return ret;
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}
Label* Label::create(const std::string& text, const std::string& font, float fontSize, const Size& dimensions /* = Size::ZERO */, TextHAlignment hAlignment /* = TextHAlignment::LEFT */, TextVAlignment vAlignment /* = TextVAlignment::TOP */)
{
if (FileUtils::getInstance()->isFileExist(font))
{
return createWithTTF(text,font,fontSize,dimensions,hAlignment,vAlignment);
}
else
{
return createWithSystemFont(text,font,fontSize,dimensions,hAlignment,vAlignment);
}
}
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 Label(nullptr,hAlignment,vAlignment);
if (ret)
{
ret->setSystemFontName(font);
ret->setSystemFontSize(fontSize);
ret->setDimensions(dimensions.width, dimensions.height);
ret->setString(text);
ret->autorelease();
return ret;
}
delete 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 Label(nullptr,hAlignment,vAlignment);
if (ret && FileUtils::getInstance()->isFileExist(fontFile))
{
TTFConfig ttfConfig(fontFile.c_str(),fontSize,GlyphCollection::DYNAMIC);
if (ret->setTTFConfig(ttfConfig))
{
ret->setDimensions(dimensions.width,dimensions.height);
ret->setString(text);
ret->autorelease();
return ret;
}
}
delete ret;
return nullptr;
}
Label* Label::createWithTTF(const TTFConfig& ttfConfig, const std::string& text, TextHAlignment alignment /* = TextHAlignment::CENTER */, int maxLineWidth /* = 0 */)
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{
auto ret = new Label(nullptr,alignment);
if (ret && FileUtils::getInstance()->isFileExist(ttfConfig.fontFilePath) && ret->setTTFConfig(ttfConfig))
{
ret->setMaxLineWidth(maxLineWidth);
ret->setString(text);
ret->autorelease();
return ret;
}
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delete ret;
return nullptr;
}
Label* Label::createWithBMFont(const std::string& bmfontFilePath, const std::string& text,const TextHAlignment& alignment /* = TextHAlignment::LEFT */, int maxLineWidth /* = 0 */, const Vector2& imageOffset /* = Vector2::ZERO */)
{
auto ret = new Label(nullptr,alignment);
if (ret && ret->setBMFontFilePath(bmfontFilePath,imageOffset))
{
ret->setMaxLineWidth(maxLineWidth);
ret->setString(text);
ret->autorelease();
return ret;
}
delete ret;
return nullptr;
}
Label* Label::createWithCharMap(const std::string& plistFile)
{
auto ret = new 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 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 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::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(FontAtlas *atlas /* = nullptr */, TextHAlignment hAlignment /* = TextHAlignment::LEFT */,
TextVAlignment vAlignment /* = TextVAlignment::TOP */,bool useDistanceField /* = false */,bool useA8Shader /* = false */)
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: _reusedLetter(nullptr)
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, _commonLineHeight(0.0f)
, _lineBreakWithoutSpaces(false)
, _maxLineWidth(0)
, _labelWidth(0)
, _labelHeight(0)
, _labelDimensions(Size::ZERO)
, _hAlignment(hAlignment)
, _vAlignment(vAlignment)
, _horizontalKernings(nullptr)
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, _fontAtlas(atlas)
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, _isOpacityModifyRGB(false)
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, _useDistanceField(useDistanceField)
, _useA8Shader(useA8Shader)
, _fontScale(1.0f)
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, _uniformEffectColor(0)
, _currNumLines(-1)
, _textSprite(nullptr)
, _contentDirty(false)
, _shadowDirty(false)
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, _compatibleMode(false)
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, _insideBounds(true)
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{
setAnchorPoint(Vector2::ANCHOR_MIDDLE);
reset();
#if CC_ENABLE_CACHE_TEXTURE_DATA
auto toBackgroundListener = EventListenerCustom::create(EVENT_COME_TO_BACKGROUND, [this](EventCustom* event){
if (_fontAtlas && _currentLabelType == LabelType::TTF)
{
_batchNodes.clear();
_batchNodes.push_back(this);
Node::removeAllChildrenWithCleanup(true);
}
});
_eventDispatcher->addEventListenerWithSceneGraphPriority(toBackgroundListener, this);
#endif
auto purgeTextureListener = EventListenerCustom::create(FontAtlas::EVENT_PURGE_TEXTURES, [this](EventCustom* event){
if (_fontAtlas && _currentLabelType == LabelType::TTF && event->getUserData() == _fontAtlas)
{
alignText();
}
});
_eventDispatcher->addEventListenerWithSceneGraphPriority(purgeTextureListener, this);
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}
Label::~Label()
{
delete [] _horizontalKernings;
if (_fontAtlas)
{
FontAtlasCache::releaseFontAtlas(_fontAtlas);
}
CC_SAFE_RELEASE_NULL(_reusedLetter);
}
void Label::reset()
{
TTFConfig temp;
_fontConfig = temp;
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_systemFontDirty = false;
_systemFont = "Helvetica";
_systemFontSize = 12;
_batchNodes.clear();
_batchNodes.push_back(this);
if (_fontAtlas)
{
FontAtlasCache::releaseFontAtlas(_fontAtlas);
_fontAtlas = nullptr;
}
_currentLabelType = LabelType::STRING_TEXTURE;
_currLabelEffect = LabelEffect::NORMAL;
_shadowBlurRadius = 0;
Node::removeAllChildrenWithCleanup(true);
_textSprite = nullptr;
_shadowNode = nullptr;
CC_SAFE_RELEASE_NULL(_reusedLetter);
_textColor = Color4B::WHITE;
_textColorF = Color4F::WHITE;
setColor(Color3B::WHITE);
_shadowEnabled = false;
_clipEnabled = false;
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_blendFuncDirty = false;
}
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void Label::updateShaderProgram()
{
switch (_currLabelEffect)
{
case cocos2d::LabelEffect::NORMAL:
if (_useDistanceField)
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setGLProgramState(GLProgramState::getWithGLProgramName(GLProgram::SHADER_NAME_LABEL_DISTANCEFIELD_NORMAL));
else if (_useA8Shader)
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setGLProgramState(GLProgramState::getWithGLProgramName(GLProgram::SHADER_NAME_LABEL_NORMAL));
else
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setGLProgramState(GLProgramState::getWithGLProgramName(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR));
break;
case cocos2d::LabelEffect::OUTLINE:
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setGLProgramState(GLProgramState::getWithGLProgramName(GLProgram::SHADER_NAME_LABEL_OUTLINE));
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_uniformEffectColor = glGetUniformLocation(getGLProgram()->getProgram(), "v_effectColor");
break;
case cocos2d::LabelEffect::GLOW:
if (_useDistanceField)
{
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setGLProgramState(GLProgramState::getWithGLProgramName(GLProgram::SHADER_NAME_LABEL_DISTANCEFIELD_GLOW));
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_uniformEffectColor = glGetUniformLocation(getGLProgram()->getProgram(), "v_effectColor");
}
break;
default:
return;
}
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_uniformTextColor = glGetUniformLocation(getGLProgram()->getProgram(), "v_textColor");
}
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void Label::setFontAtlas(FontAtlas* atlas,bool distanceFieldEnabled /* = false */, bool useA8Shader /* = false */)
{
if (atlas == _fontAtlas)
{
FontAtlasCache::releaseFontAtlas(atlas);
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return;
}
if (_fontAtlas)
{
FontAtlasCache::releaseFontAtlas(_fontAtlas);
_fontAtlas = nullptr;
}
_fontAtlas = atlas;
if (_textureAtlas)
{
_textureAtlas->setTexture(_fontAtlas->getTexture(0));
}
else
{
SpriteBatchNode::initWithTexture(_fontAtlas->getTexture(0), 30);
}
if (_reusedLetter == nullptr)
{
_reusedLetter = Sprite::createWithTexture(_fontAtlas->getTexture(0));
_reusedLetter->setOpacityModifyRGB(_isOpacityModifyRGB);
_reusedLetter->retain();
_reusedLetter->setAnchorPoint(Vector2::ANCHOR_TOP_LEFT);
_reusedLetter->setBatchNode(this);
}
else
{
_reusedLetter->setTexture(_fontAtlas->getTexture(0));
}
if (_fontAtlas)
{
_commonLineHeight = _fontAtlas->getCommonLineHeight();
_contentDirty = true;
}
_useDistanceField = distanceFieldEnabled;
_useA8Shader = useA8Shader;
if (_currentLabelType != LabelType::TTF)
{
_currLabelEffect = LabelEffect::NORMAL;
updateShaderProgram();
}
}
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bool Label::setTTFConfig(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;
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updateShaderProgram();
}
else
{
_currLabelEffect = LabelEffect::NORMAL;
updateShaderProgram();
if(ttfConfig.distanceFieldEnabled)
{
this->setFontScale(1.0f * ttfConfig.fontSize / DistanceFieldFontSize);
}
}
return true;
}
bool Label::setBMFontFilePath(const std::string& bmfontFilePath, const Vector2& imageOffset /* = Vector2::ZERO */)
{
FontAtlas *newAtlas = FontAtlasCache::getFontAtlasFNT(bmfontFilePath,imageOffset);
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if (!newAtlas)
{
reset();
return false;
}
_bmFontPath = bmfontFilePath;
_currentLabelType = LabelType::BMFONT;
setFontAtlas(newAtlas);
return true;
}
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void Label::setString(const std::string& text)
{
_originalUTF8String = text;
_contentDirty = true;
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std::u16string utf16String;
if (StringUtils::UTF8ToUTF16(_originalUTF8String, utf16String))
{
_originalUTF16String = utf16String;
_currentUTF16String = utf16String;
}
}
void Label::setAlignment(TextHAlignment hAlignment,TextVAlignment vAlignment)
{
if (hAlignment != _hAlignment || vAlignment != _vAlignment)
{
_hAlignment = hAlignment;
_vAlignment = vAlignment;
_contentDirty = true;
}
}
void Label::setMaxLineWidth(unsigned int maxLineWidth)
{
if (_labelWidth == 0 && _maxLineWidth != maxLineWidth)
{
_maxLineWidth = maxLineWidth;
_contentDirty = true;
}
}
void Label::setDimensions(unsigned int width,unsigned int height)
{
if (height != _labelHeight || width != _labelWidth)
{
_labelWidth = width;
_labelHeight = height;
_labelDimensions.width = width;
_labelDimensions.height = height;
_maxLineWidth = width;
_contentDirty = true;
}
}
void Label::setLineBreakWithoutSpace(bool breakWithoutSpace)
{
if (breakWithoutSpace != _lineBreakWithoutSpaces)
{
_lineBreakWithoutSpaces = breakWithoutSpace;
_contentDirty = true;
}
}
void Label::setScale(float scale)
{
if (_useDistanceField)
{
scale *= _fontScale;
}
Node::setScale(scale);
}
void Label::setScaleX(float scaleX)
{
if (_useDistanceField)
{
scaleX *= _fontScale;
}
Node::setScaleX(scaleX);
}
void Label::setScaleY(float scaleY)
{
if (_useDistanceField)
{
scaleY *= _fontScale;
}
Node::setScaleY(scaleY);
}
float Label::getScaleY() const
{
if (_useDistanceField)
{
return _scaleY / _fontScale;
}
else
{
return _scaleY;
}
}
float Label::getScaleX() const
{
if (_useDistanceField)
{
return _scaleX / _fontScale;
}
else
{
return _scaleX;
}
}
void Label::alignText()
{
if (_fontAtlas == nullptr || _currentUTF16String.empty())
{
return;
}
for (const auto& batchNode:_batchNodes)
{
batchNode->getTextureAtlas()->removeAllQuads();
}
_fontAtlas->prepareLetterDefinitions(_currentUTF16String);
auto textures = _fontAtlas->getTextures();
if (textures.size() > _batchNodes.size())
{
for (auto index = _batchNodes.size(); index < textures.size(); ++index)
{
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auto batchNode = SpriteBatchNode::createWithTexture(textures[index]);
batchNode->setAnchorPoint(Vector2::ANCHOR_TOP_LEFT);
batchNode->setPosition(Vector2::ZERO);
Node::addChild(batchNode,0,Node::INVALID_TAG);
_batchNodes.push_back(batchNode);
}
}
LabelTextFormatter::createStringSprites(this);
if(_maxLineWidth > 0 && _contentSize.width > _maxLineWidth && LabelTextFormatter::multilineText(this) )
LabelTextFormatter::createStringSprites(this);
if(_labelWidth > 0 || (_currNumLines > 1 && _hAlignment != TextHAlignment::LEFT))
LabelTextFormatter::alignText(this);
int strLen = static_cast<int>(_currentUTF16String.length());
Rect uvRect;
Sprite* letterSprite;
for(const auto &child : _children) {
int tag = child->getTag();
if(tag >= strLen)
{
SpriteBatchNode::removeChild(child, true);
}
else if(tag >= 0)
{
letterSprite = dynamic_cast<Sprite*>(child);
if (letterSprite)
{
uvRect.size.height = _lettersInfo[tag].def.height;
uvRect.size.width = _lettersInfo[tag].def.width;
uvRect.origin.x = _lettersInfo[tag].def.U;
uvRect.origin.y = _lettersInfo[tag].def.V;
letterSprite->setTexture(textures[_lettersInfo[tag].def.textureID]);
letterSprite->setTextureRect(uvRect);
}
}
}
updateQuads();
updateColor();
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}
bool Label::computeHorizontalKernings(const std::u16string& stringToRender)
{
if (_horizontalKernings)
{
delete [] _horizontalKernings;
_horizontalKernings = nullptr;
}
int letterCount = 0;
_horizontalKernings = _fontAtlas->getFont()->getHorizontalKerningForTextUTF16(stringToRender, letterCount);
if(!_horizontalKernings)
return false;
else
return true;
}
void Label::updateQuads()
{
int index;
for (int ctr = 0; ctr < _limitShowCount; ++ctr)
{
auto &letterDef = _lettersInfo[ctr].def;
if (letterDef.validDefinition)
{
_reusedRect.size.height = letterDef.height;
_reusedRect.size.width = letterDef.width;
_reusedRect.origin.x = letterDef.U;
_reusedRect.origin.y = letterDef.V;
_reusedLetter->setTextureRect(_reusedRect,false,_reusedRect.size);
_reusedLetter->setPosition(_lettersInfo[ctr].position);
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index = static_cast<int>(_batchNodes[letterDef.textureID]->getTextureAtlas()->getTotalQuads());
_lettersInfo[ctr].atlasIndex = index;
_batchNodes[letterDef.textureID]->insertQuadFromSprite(_reusedLetter,index);
}
}
}
bool Label::recordLetterInfo(const cocos2d::Vector2& point,const FontLetterDefinition& letterDef, int spriteIndex)
{
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if (static_cast<std::size_t>(spriteIndex) >= _lettersInfo.size())
{
LetterInfo tmpInfo;
_lettersInfo.push_back(tmpInfo);
}
_lettersInfo[spriteIndex].def = letterDef;
_lettersInfo[spriteIndex].position = point;
_lettersInfo[spriteIndex].contentSize.width = _lettersInfo[spriteIndex].def.width;
_lettersInfo[spriteIndex].contentSize.height = _lettersInfo[spriteIndex].def.height;
_limitShowCount++;
return _lettersInfo[spriteIndex].def.validDefinition;
}
bool Label::recordPlaceholderInfo(int spriteIndex)
{
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if (static_cast<std::size_t>(spriteIndex) >= _lettersInfo.size())
{
LetterInfo tmpInfo;
_lettersInfo.push_back(tmpInfo);
}
_lettersInfo[spriteIndex].def.validDefinition = false;
_limitShowCount++;
return false;
}
void Label::addChild(Node * child, int zOrder/* =0 */, int tag/* =0 */)
{
CCASSERT(0, "addChild: is not supported on Label.");
}
void Label::sortAllChildren()
{
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// Label ignore sort children
}
void Label::enableGlow(const Color4B& glowColor)
{
if(! _useDistanceField)
return;
_currLabelEffect = LabelEffect::GLOW;
_effectColor = glowColor;
_effectColorF.r = _effectColor.r / 255.0f;
_effectColorF.g = _effectColor.g / 255.0f;
_effectColorF.b = _effectColor.b / 255.0f;
_effectColorF.a = _effectColor.a / 255.0f;
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updateShaderProgram();
}
void Label::enableOutline(const Color4B& outlineColor,int outlineSize /* = -1 */)
{
_effectColor = outlineColor;
_effectColorF.r = _effectColor.r / 255.0f;
_effectColorF.g = _effectColor.g / 255.0f;
_effectColorF.b = _effectColor.b / 255.0f;
_effectColorF.a = _effectColor.a / 255.0f;
if (outlineSize > 0)
{
_outlineSize = outlineSize;
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if (_currentLabelType == LabelType::TTF)
{
if (_fontConfig.outlineSize != outlineSize)
{
auto config = _fontConfig;
config.outlineSize = outlineSize;
setTTFConfig(config);
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updateShaderProgram();
}
}
_currLabelEffect = LabelEffect::OUTLINE;
_contentDirty = true;
}
}
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void Label::enableShadow(const Color4B& shadowColor /* = Color4B::BLACK */,const Size &offset /* = Size(2 ,-2)*/, int blurRadius /* = 0 */)
{
_shadowEnabled = true;
_shadowDirty = true;
_shadowColor.r = shadowColor.r;
_shadowColor.g = shadowColor.g;
_shadowColor.b = shadowColor.b;
_shadowOpacity = shadowColor.a / 255.0f;
auto contentScaleFactor = CC_CONTENT_SCALE_FACTOR();
_shadowOffset.width = offset.width * contentScaleFactor;
_shadowOffset.height = offset.height * contentScaleFactor;
//todo:support blur for shadow
_shadowBlurRadius = 0;
if (_textSprite && _shadowNode)
{
_shadowNode->setColor(_shadowColor);
_shadowNode->setOpacity(_shadowOpacity * _displayedOpacity);
_shadowNode->setPosition(_shadowOffset.width, _shadowOffset.height);
}
}
void Label::disableEffect()
{
if (_currLabelEffect == LabelEffect::OUTLINE)
{
_fontConfig.outlineSize = 0;
setTTFConfig(_fontConfig);
}
_currLabelEffect = LabelEffect::NORMAL;
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updateShaderProgram();
_contentDirty = true;
_shadowEnabled = false;
if (_shadowNode)
{
Node::removeChild(_shadowNode,true);
_shadowNode = nullptr;
}
}
void Label::setFontScale(float fontScale)
{
_fontScale = fontScale * CC_CONTENT_SCALE_FACTOR();
Node::setScale(_fontScale);
}
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void Label::onDraw(const Matrix& transform, bool transformUpdated)
{
CC_PROFILER_START("Label - draw");
// Optimization: Fast Dispatch
if( _batchNodes.size() == 1 && _textureAtlas->getTotalQuads() == 0 )
{
return;
}
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auto glprogram = getGLProgram();
glprogram->use();
GL::blendFunc( _blendFunc.src, _blendFunc.dst );
if (_currentLabelType == LabelType::TTF)
{
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glprogram->setUniformLocationWith4f(_uniformTextColor,
_textColorF.r,_textColorF.g,_textColorF.b,_textColorF.a);
}
if (_currLabelEffect == LabelEffect::OUTLINE || _currLabelEffect == LabelEffect::GLOW)
{
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glprogram->setUniformLocationWith4f(_uniformEffectColor,
_effectColorF.r,_effectColorF.g,_effectColorF.b,_effectColorF.a);
}
if(_shadowEnabled && _shadowBlurRadius <= 0)
{
drawShadowWithoutBlur();
}
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glprogram->setUniformsForBuiltins(transform);
for(const auto &child: _children)
{
if(child->getTag() >= 0)
child->updateTransform();
}
for (const auto& batchNode:_batchNodes)
{
batchNode->getTextureAtlas()->drawQuads();
}
CC_PROFILER_STOP("Label - draw");
}
void Label::drawShadowWithoutBlur()
{
Color3B oldColor = _realColor;
GLubyte oldOPacity = _displayedOpacity;
_displayedOpacity = _shadowOpacity * _displayedOpacity;
setColor(_shadowColor);
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getGLProgram()->setUniformsForBuiltins(_shadowTransform);
for(const auto &child: _children)
{
child->updateTransform();
}
for (const auto& batchNode:_batchNodes)
{
batchNode->getTextureAtlas()->drawQuads();
}
_displayedOpacity = oldOPacity;
setColor(oldColor);
}
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void Label::draw(Renderer *renderer, const Matrix &transform, bool transformUpdated)
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{
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// Don't do calculate the culling if the transform was not updated
_insideBounds = transformUpdated ? renderer->checkVisibility(transform, _contentSize) : _insideBounds;
if(_insideBounds) {
_customCommand.init(_globalZOrder);
_customCommand.func = CC_CALLBACK_0(Label::onDraw, this, transform, transformUpdated);
renderer->addCommand(&_customCommand);
}
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}
void Label::createSpriteWithFontDefinition()
{
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_currentLabelType = LabelType::STRING_TEXTURE;
auto texture = new Texture2D;
texture->initWithString(_originalUTF8String.c_str(),_fontDefinition);
_textSprite = Sprite::createWithTexture(texture);
_textSprite->setAnchorPoint(Vector2::ANCHOR_BOTTOM_LEFT);
this->setContentSize(_textSprite->getContentSize());
texture->release();
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if (_blendFuncDirty)
{
_textSprite->setBlendFunc(_blendFunc);
}
Node::addChild(_textSprite,0,Node::INVALID_TAG);
_textSprite->updateDisplayedColor(_displayedColor);
_textSprite->updateDisplayedOpacity(_displayedOpacity);
}
void Label::setFontDefinition(const FontDefinition& textDefinition)
{
_fontDefinition = textDefinition;
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID) && (CC_TARGET_PLATFORM != CC_PLATFORM_IOS)
if (_fontDefinition._stroke._strokeEnabled)
{
CCLOGERROR("Currently only supported on iOS and Android!");
}
_fontDefinition._stroke._strokeEnabled = false;
#endif
if (_fontDefinition._shadow._shadowEnabled)
{
_fontDefinition._shadow._shadowEnabled = false;
enableShadow(Color4B(0,0,0,255 * _fontDefinition._shadow._shadowOpacity),_fontDefinition._shadow._shadowOffset,_fontDefinition._shadow._shadowBlur);
}
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_compatibleMode = true;
}
void Label::updateContent()
{
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computeStringNumLines();
if (_fontAtlas)
{
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computeHorizontalKernings(_originalUTF16String);
}
if (_textSprite)
{
Node::removeChild(_textSprite,true);
_textSprite = nullptr;
if (_shadowNode)
{
Node::removeChild(_shadowNode,true);
_shadowNode = nullptr;
}
}
if (_fontAtlas)
{
alignText();
}
else
{
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if (!_compatibleMode)
{
_fontDefinition._fontName = _systemFont;
_fontDefinition._fontSize = _systemFontSize;
_fontDefinition._alignment = _hAlignment;
_fontDefinition._vertAlignment = _vAlignment;
_fontDefinition._dimensions.width = _labelWidth;
_fontDefinition._dimensions.height = _labelHeight;
_fontDefinition._fontFillColor.r = _textColor.r;
_fontDefinition._fontFillColor.g = _textColor.g;
_fontDefinition._fontFillColor.b = _textColor.b;
_fontDefinition._shadow._shadowEnabled = false;
if (_currLabelEffect == LabelEffect::OUTLINE && _outlineSize > 0)
{
_fontDefinition._stroke._strokeEnabled = true;
_fontDefinition._stroke._strokeSize = _outlineSize;
_fontDefinition._stroke._strokeColor.r = _effectColor.r;
_fontDefinition._stroke._strokeColor.g = _effectColor.g;
_fontDefinition._stroke._strokeColor.b = _effectColor.b;
}
else
{
_fontDefinition._stroke._strokeEnabled = false;
}
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID) && (CC_TARGET_PLATFORM != CC_PLATFORM_IOS)
if (_fontDefinition._stroke._strokeEnabled)
{
CCLOGERROR("Currently only supported on iOS and Android!");
}
_fontDefinition._stroke._strokeEnabled = false;
#endif
}
createSpriteWithFontDefinition();
}
_contentDirty = false;
}
void Label::updateFont()
{
if (_fontAtlas)
{
_batchNodes.clear();
_batchNodes.push_back(this);
FontAtlasCache::releaseFontAtlas(_fontAtlas);
_fontAtlas = nullptr;
}
_contentDirty = true;
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_systemFontDirty = false;
}
void Label::drawTextSprite(Renderer *renderer, bool parentTransformUpdated)
{
if (_fontDefinition._fontFillColor != _textColor)
{
updateContent();
}
if (_shadowEnabled && _shadowNode == nullptr)
{
_shadowNode = Sprite::createWithTexture(_textSprite->getTexture());
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if (_shadowNode)
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{
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if (_blendFuncDirty)
{
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_shadowNode->setBlendFunc(_blendFunc);
}
_shadowNode->setAnchorPoint(Vector2::ANCHOR_BOTTOM_LEFT);
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_shadowNode->setColor(_shadowColor);
_shadowNode->setOpacity(_shadowOpacity * _displayedOpacity);
_shadowNode->setPosition(_shadowOffset.width, _shadowOffset.height);
Node::addChild(_shadowNode,0,Node::INVALID_TAG);
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}
}
if (_shadowNode)
{
_shadowNode->visit(renderer, _modelViewTransform, parentTransformUpdated);
}
_textSprite->visit(renderer, _modelViewTransform, parentTransformUpdated);
}
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void Label::visit(Renderer *renderer, const Matrix &parentTransform, bool parentTransformUpdated)
{
if (! _visible || _originalUTF8String.empty())
{
return;
}
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if (_systemFontDirty)
{
updateFont();
}
if (_contentDirty)
{
updateContent();
}
bool dirty = parentTransformUpdated || _transformUpdated;
if (_shadowEnabled && _shadowBlurRadius <= 0 && (_shadowDirty || dirty))
{
_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;
}
if(dirty)
{
_modelViewTransform = transform(parentTransform);
}
_transformUpdated = false;
// IMPORTANT:
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// To ease the migration to v3.0, we still support the Matrix stack,
// but it is deprecated and your code should not rely on it
Director* director = Director::getInstance();
CCASSERT(nullptr != director, "Director is null when seting matrix stack");
director->pushMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
director->loadMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW, _modelViewTransform);
if (_textSprite)
{
drawTextSprite(renderer,dirty);
}
else
{
draw(renderer, _modelViewTransform, dirty);
}
director->popMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
setOrderOfArrival(0);
}
void Label::setSystemFontName(const std::string& systemFont)
{
if (systemFont != _systemFont)
{
_systemFont = systemFont;
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_systemFontDirty = true;
}
}
void Label::setSystemFontSize(float fontSize)
{
if (_systemFontSize != fontSize)
{
_systemFontSize = fontSize;
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_systemFontDirty = true;
}
}
///// PROTOCOL STUFF
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Sprite * Label::getLetter(int letterIndex)
{
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if (_systemFontDirty || _currentLabelType == LabelType::STRING_TEXTURE)
{
return nullptr;
}
if (_contentDirty)
{
updateContent();
}
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if (! _textSprite && letterIndex < _limitShowCount)
{
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const auto &letter = _lettersInfo[letterIndex];
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if(! letter.def.validDefinition)
return nullptr;
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Sprite* sp = static_cast<Sprite*>(this->getChildByTag(letterIndex));
if (!sp)
{
Rect uvRect;
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uvRect.size.height = letter.def.height;
uvRect.size.width = letter.def.width;
uvRect.origin.x = letter.def.U;
uvRect.origin.y = letter.def.V;
sp = Sprite::createWithTexture(_fontAtlas->getTexture(letter.def.textureID),uvRect);
sp->setBatchNode(_batchNodes[letter.def.textureID]);
sp->setPosition(Vector2(letter.position.x + uvRect.size.width / 2,
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letter.position.y - uvRect.size.height / 2));
sp->setOpacity(_realOpacity);
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_batchNodes[letter.def.textureID]->addSpriteWithoutQuad(sp, letter.atlasIndex, letterIndex);
}
return sp;
}
return nullptr;
}
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int Label::getCommonLineHeight() const
{
return _textSprite ? 0 : _commonLineHeight;
}
void Label::computeStringNumLines()
{
int quantityOfLines = 1;
if (_currentUTF16String.empty())
{
_currNumLines = 0;
return;
}
// count number of lines
size_t stringLen = _currentUTF16String.length();
for (size_t i = 0; i < stringLen-1; ++i)
{
if (_currentUTF16String[i] == '\n')
{
quantityOfLines++;
}
}
_currNumLines = quantityOfLines;
}
int Label::getStringLength() const
{
return _currentUTF16String.length();
}
// RGBA protocol
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bool Label::isOpacityModifyRGB() const
{
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return _isOpacityModifyRGB;
}
void Label::setOpacityModifyRGB(bool isOpacityModifyRGB)
{
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_isOpacityModifyRGB = isOpacityModifyRGB;
for(const auto& child: _children) {
child->setOpacityModifyRGB(_isOpacityModifyRGB);
}
_reusedLetter->setOpacityModifyRGB(true);
}
void Label::updateDisplayedColor(const Color3B& parentColor)
{
_displayedColor.r = _realColor.r * parentColor.r/255.0;
_displayedColor.g = _realColor.g * parentColor.g/255.0;
_displayedColor.b = _realColor.b * parentColor.b/255.0;
updateColor();
if (_textSprite)
{
_textSprite->updateDisplayedColor(_displayedColor);
if (_shadowNode)
{
_shadowNode->updateDisplayedColor(_displayedColor);
}
}
}
void Label::updateDisplayedOpacity(GLubyte parentOpacity)
{
_displayedOpacity = _realOpacity * parentOpacity/255.0;
updateColor();
if (_textSprite)
{
_textSprite->updateDisplayedOpacity(_displayedOpacity);
if (_shadowNode)
{
_shadowNode->updateDisplayedOpacity(_displayedOpacity);
}
}
}
void Label::setTextColor(const Color4B &color)
{
_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 (nullptr == _textureAtlas)
{
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 (const 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
{
std::string utf8str;
StringUtils::UTF16ToUTF8(_currentUTF16String, utf8str);
return StringUtils::format("<Label | Tag = %d, Label = '%s'>", _tag, utf8str.c_str());
}
const Size& Label::getContentSize() const
{
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if (_systemFontDirty)
{
const_cast<Label*>(this)->updateFont();
}
if (_contentDirty)
{
const_cast<Label*>(this)->updateContent();
}
return _contentSize;
}
Rect Label::getBoundingBox() const
{
const_cast<Label*>(this)->getContentSize();
return Node::getBoundingBox();
}
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void Label::setBlendFunc(const BlendFunc &blendFunc)
{
_blendFunc = blendFunc;
_blendFuncDirty = true;
if (_textSprite)
{
_textSprite->setBlendFunc(blendFunc);
if (_shadowNode)
{
_shadowNode->setBlendFunc(blendFunc);
}
}
}
NS_CC_END