axmol/cocos/ui/UITextAtlas.cpp

/****************************************************************************
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

http://www.cocos2d-x.org

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#include "ui/UITextAtlas.h"
#include "2d/CCLabel.h"
#include "editor-support/cocostudio/CocosStudioExtension.h"

NS_CC_BEGIN

namespace ui {
    
static const int LABELATLAS_RENDERER_Z = (-1);
    
IMPLEMENT_CLASS_GUI_INFO(TextAtlas)

TextAtlas::TextAtlas():
_labelAtlasRenderer(nullptr),
_stringValue(""),
_charMapFileName(""),
_itemWidth(0),
_itemHeight(0),
_startCharMap(""),
_labelAtlasRendererAdaptDirty(true)
{
}

TextAtlas::~TextAtlas()
{
    
}

TextAtlas* TextAtlas::create()
{
    TextAtlas* widget = new (std::nothrow) TextAtlas();
    if (widget && widget->init())
    {
        widget->autorelease();
        return widget;
    }
    CC_SAFE_DELETE(widget);
    return nullptr;
}

void TextAtlas::initRenderer()
{
    _labelAtlasRenderer = Label::create();
    _labelAtlasRenderer->setAnchorPoint(Point::ANCHOR_MIDDLE);
    addProtectedChild(_labelAtlasRenderer, LABELATLAS_RENDERER_Z, -1);
}
    
TextAtlas* TextAtlas::create(const std::string &stringValue,
                             const std::string &charMapFile,
                             int itemWidth,
                             int itemHeight,
                             const std::string &startCharMap)
{
    TextAtlas* widget = new (std::nothrow) TextAtlas();
    if (widget && widget->init())
    {
        widget->autorelease();
        widget->setProperty(stringValue, charMapFile, itemWidth, itemHeight, startCharMap);
        return widget;
    }
    CC_SAFE_DELETE(widget);
    return nullptr;
}

void TextAtlas::setProperty(const std::string& stringValue, const std::string& charMapFile, int itemWidth, int itemHeight, const std::string& startCharMap)
{
    _stringValue = stringValue;
    _charMapFileName = charMapFile;
    _itemWidth = itemWidth;
    _itemHeight = itemHeight;
    _startCharMap = startCharMap;
    
    _labelAtlasRenderer->setCharMap(_charMapFileName, _itemWidth, _itemHeight, (int)(_startCharMap[0]));
    _labelAtlasRenderer->setString(stringValue);
    
    updateContentSizeWithTextureSize(_labelAtlasRenderer->getContentSize());
    _labelAtlasRendererAdaptDirty = true;
//    CCLOG("cs w %f, h %f", _contentSize.width, _contentSize.height);
}

void TextAtlas::setString(const std::string& value)
{
    if (value == _labelAtlasRenderer->getString())
    {
        return;
    }
    _stringValue = value;
    _labelAtlasRenderer->setString(value);
    updateContentSizeWithTextureSize(_labelAtlasRenderer->getContentSize());
    _labelAtlasRendererAdaptDirty = true;
//    CCLOG("cssss w %f, h %f", _contentSize.width, _contentSize.height);
}

const std::string& TextAtlas::getString() const
{
    return _labelAtlasRenderer->getString();
}
    
ssize_t TextAtlas::getStringLength()const
{
    return _labelAtlasRenderer->getStringLength();
}

void TextAtlas::onSizeChanged()
{
    Widget::onSizeChanged();
    _labelAtlasRendererAdaptDirty = true;
}
    
void TextAtlas::adaptRenderers()
{
    if (_labelAtlasRendererAdaptDirty)
    {
        labelAtlasScaleChangedWithSize();
        _labelAtlasRendererAdaptDirty = false;
    }
}

Size TextAtlas::getVirtualRendererSize() const
{
    return _labelAtlasRenderer->getContentSize();
}

Node* TextAtlas::getVirtualRenderer()
{
    return _labelAtlasRenderer;
}

void TextAtlas::labelAtlasScaleChangedWithSize()
{
    if (_ignoreSize)
    {
        _labelAtlasRenderer->setScale(1.0f);
    }
    else
    {
        Size textureSize = _labelAtlasRenderer->getContentSize();
        if (textureSize.width <= 0.0f || textureSize.height <= 0.0f)
        {
            _labelAtlasRenderer->setScale(1.0f);
            return;
        }
        float scaleX = _contentSize.width / textureSize.width;
        float scaleY = _contentSize.height / textureSize.height;
        _labelAtlasRenderer->setScaleX(scaleX);
        _labelAtlasRenderer->setScaleY(scaleY);
    }
    _labelAtlasRenderer->setPosition(_contentSize.width / 2.0f, _contentSize.height / 2.0f);
}

std::string TextAtlas::getDescription() const
{
    return "TextAtlas";
}

Widget* TextAtlas::createCloneInstance()
{
    return TextAtlas::create();
}

void TextAtlas::copySpecialProperties(Widget *widget)
{
    TextAtlas* labelAtlas = dynamic_cast<TextAtlas*>(widget);
    if (labelAtlas)
    {
        setProperty(labelAtlas->_stringValue, labelAtlas->_charMapFileName, labelAtlas->_itemWidth, labelAtlas->_itemHeight, labelAtlas->_startCharMap);
    }
}
    
ResourceData TextAtlas::getRenderFile()
{
    ResourceData rData;
    rData.type = 0;
    rData.file = _charMapFileName;
    return rData;
}

}
NS_CC_END