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

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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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
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#include "ui/UITextAtlas.h"
#include "2d/CCLabel.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 TextAtlas();
    if (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 TextAtlas();
    if (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(std::string_view 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;
    }
}

Vec2 TextAtlas::getVirtualRendererSize() const
{
    return _labelAtlasRenderer->getContentSize();
}

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

void TextAtlas::labelAtlasScaleChangedWithSize()
{
    if (_ignoreSize)
    {
        _labelAtlasRenderer->setScale(1.0f);
    }
    else
    {
        Vec2 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;
}

}  // namespace ui
NS_CC_END