axmol/cocos/2d/CCLabelTTF.cpp

/****************************************************************************
Copyright (c) 2008-2010 Ricardo Quesada
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2017 Chukong Technologies Inc.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "2d/CCLabelTTF.h"
#include "2d/CCLabel.h"
#include "base/ccUTF8.h"

NS_CC_BEGIN

#if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1)))
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#elif _MSC_VER >= 1400 //vs 2005 or higher
#pragma warning (push)
#pragma warning (disable: 4996)
#endif

LabelTTF::LabelTTF()
{
    _renderLabel = Label::create();
    _renderLabel->setAnchorPoint(Vec2::ANCHOR_BOTTOM_LEFT);
    this->addChild(_renderLabel);
    this->setAnchorPoint(Vec2::ANCHOR_MIDDLE);

    _contentDirty = false;
    _cascadeColorEnabled = true;
    _cascadeOpacityEnabled = true;
}

LabelTTF::~LabelTTF()
{
}

LabelTTF * LabelTTF::create()
{
    LabelTTF * ret = new (std::nothrow) LabelTTF();
    if (ret)
    {
        ret->autorelease();
    }
    else
    {
        CC_SAFE_DELETE(ret);
    }
    return ret;
}

LabelTTF* LabelTTF::create(const std::string& string, const std::string& fontName, float fontSize,
                               const Size &dimensions, TextHAlignment hAlignment, 
                               TextVAlignment vAlignment)
{
    LabelTTF *ret = new (std::nothrow) LabelTTF();
    if(ret && ret->initWithString(string, fontName, fontSize, dimensions, hAlignment, vAlignment))
    {
        ret->autorelease();
        return ret;
    }
    CC_SAFE_DELETE(ret);
    return nullptr;
}

LabelTTF * LabelTTF::createWithFontDefinition(const std::string& string, FontDefinition &textDefinition)
{
    LabelTTF *ret = new (std::nothrow) LabelTTF();
    if(ret && ret->initWithStringAndTextDefinition(string, textDefinition))
    {
        ret->autorelease();
        return ret;
    }
    CC_SAFE_DELETE(ret);
    return nullptr;
}

bool LabelTTF::initWithString(const std::string& string, const std::string& fontName, float fontSize,
                                const cocos2d::Size &dimensions, TextHAlignment hAlignment,
                                TextVAlignment vAlignment)
{
    _renderLabel->setString(string);
    _renderLabel->setSystemFontSize(fontSize);
    _renderLabel->setDimensions(dimensions.width,dimensions.height);
    _renderLabel->setAlignment(hAlignment,vAlignment);
    _renderLabel->setSystemFontName(fontName);
    _contentDirty = true;

    return true;
}

bool LabelTTF::initWithStringAndTextDefinition(const std::string& string, FontDefinition &textDefinition)
{
    _renderLabel->setFontDefinition(textDefinition);
    _renderLabel->setString(string);
    _contentDirty = true;
    
    return true;
}

void LabelTTF::setString(const std::string &string)
{
    _renderLabel->setString(string);
    _contentDirty = true;
}

const std::string& LabelTTF::getString() const
{
    return _renderLabel->getString();
}

std::string LabelTTF::getDescription() const
{
    return StringUtils::format("<LabelTTF | FontName = %s, FontSize = %f, Label = '%s'>", _renderLabel->getSystemFontName().c_str(), _renderLabel->getSystemFontSize(), _renderLabel->getString().c_str());
}

TextHAlignment LabelTTF::getHorizontalAlignment() const
{
    return _renderLabel->getHorizontalAlignment();
}

void LabelTTF::setHorizontalAlignment(TextHAlignment alignment)
{
    _renderLabel->setHorizontalAlignment(alignment);
    _contentDirty = true;
}

TextVAlignment LabelTTF::getVerticalAlignment() const
{
    return _renderLabel->getVerticalAlignment();
}

void LabelTTF::setVerticalAlignment(TextVAlignment verticalAlignment)
{
    _renderLabel->setVerticalAlignment(verticalAlignment);
    _contentDirty = true;
}

const Size& LabelTTF::getDimensions() const
{
    return _renderLabel->getDimensions();
}

void LabelTTF::setDimensions(const Size &dim)
{
    _renderLabel->setDimensions(dim.width,dim.height);
    _contentDirty = true;
}

float LabelTTF::getFontSize() const
{
    return _renderLabel->getSystemFontSize();
}

void LabelTTF::setFontSize(float fontSize)
{
    _renderLabel->setSystemFontSize(fontSize);
    _contentDirty = true;
}

const std::string& LabelTTF::getFontName() const
{
    return _renderLabel->getSystemFontName();
}

void LabelTTF::setFontName(const std::string& fontName)
{
    _renderLabel->setSystemFontName(fontName);
    _contentDirty = true;
}

void LabelTTF::enableShadow(const Size &shadowOffset, float shadowOpacity, float shadowBlur, bool /*updateTexture*/)
{
    Color4B temp(Color3B::BLACK);
    temp.a = 255 * shadowOpacity;
    _renderLabel->enableShadow(temp,shadowOffset,shadowBlur);
    _contentDirty = true;
}

void LabelTTF::disableShadow(bool /*updateTexture*/)
{
    _renderLabel->disableEffect();
    _contentDirty = true;
}

void LabelTTF::enableStroke(const Color3B &strokeColor, float strokeSize, bool /*updateTexture*/)
{
    _renderLabel->enableOutline(Color4B(strokeColor),strokeSize);
    _contentDirty = true;
}

void LabelTTF::disableStroke(bool /*updateTexture*/)
{
    _renderLabel->disableEffect();
    _contentDirty = true;
}

void LabelTTF::setFontFillColor(const Color3B &tintColor, bool /*updateTexture*/)
{
    _renderLabel->setTextColor(Color4B(tintColor));
}

void LabelTTF::setTextDefinition(const FontDefinition& theDefinition)
{
    _renderLabel->setFontDefinition(theDefinition);
    _contentDirty = true;
}

const FontDefinition& LabelTTF::getTextDefinition()
{
    auto fontDef = _renderLabel->getFontDefinition();
    memcpy(&_fontDef, &fontDef, sizeof(FontDefinition));
    return _fontDef;
}

void LabelTTF::setBlendFunc(const BlendFunc &blendFunc)
{
    _renderLabel->setBlendFunc(blendFunc);
}

const BlendFunc &LabelTTF::getBlendFunc() const
{
    return _renderLabel->getBlendFunc();
}

void LabelTTF::setFlippedX(bool flippedX)
{
    if (flippedX)
    {
        _renderLabel->setScaleX(-1.0f);
    } 
    else
    {
        _renderLabel->setScaleX(1.0f);
    }
}

void LabelTTF::setFlippedY(bool flippedY)
{
    if (flippedY)
    {
        _renderLabel->setScaleY(-1.0f);
    } 
    else
    {
        _renderLabel->setScaleY(1.0f);
    }
}

void LabelTTF::visit(Renderer *renderer, const Mat4 &parentTransform, uint32_t parentFlags)
{
    if (_contentDirty)
    {
        this->setContentSize(_renderLabel->getContentSize());
        _contentDirty = false;
    }
    Node::visit(renderer,parentTransform, parentFlags);
}

const Size& LabelTTF::getContentSize() const
{
    const_cast<LabelTTF*>(this)->setContentSize(_renderLabel->getContentSize());
    return _contentSize;
}

Rect LabelTTF::getBoundingBox() const
{
    const_cast<LabelTTF*>(this)->setContentSize(_renderLabel->getContentSize());
    return Node::getBoundingBox();
}

#if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1)))
#pragma GCC diagnostic warning "-Wdeprecated-declarations"
#elif _MSC_VER >= 1400 //vs 2005 or higher
#pragma warning (pop)
#endif

NS_CC_END