axmol/core/ui/UITextBMFont.cpp

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

https://axmolengine.github.io/

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

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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/UITextBMFont.h"
#include "2d/Label.h"

NS_AX_BEGIN

namespace ui
{

static const int LABELBMFONT_RENDERER_Z = (-1);

IMPLEMENT_CLASS_GUI_INFO(TextBMFont)

TextBMFont::TextBMFont()
    : _labelBMFontRenderer(nullptr), _fntFileName(""), _stringValue(""), _labelBMFontRendererAdaptDirty(true)
{}

TextBMFont::~TextBMFont() {}

TextBMFont* TextBMFont::create()
{
    TextBMFont* widget = new TextBMFont();
    if (widget->init())
    {
        widget->autorelease();
        return widget;
    }
    AX_SAFE_DELETE(widget);
    return nullptr;
}

TextBMFont* TextBMFont::create(std::string_view text, std::string_view filename)
{
    TextBMFont* widget = new TextBMFont();
    if (widget->init())
    {
        widget->setFntFile(filename);
        widget->setString(text);
        widget->autorelease();
        return widget;
    }
    AX_SAFE_DELETE(widget);
    return nullptr;
}

void TextBMFont::initRenderer()
{
    _labelBMFontRenderer = ax::Label::create();
    addProtectedChild(_labelBMFontRenderer, LABELBMFONT_RENDERER_Z, -1);
}

void TextBMFont::setFntFile(std::string_view fileName)
{
    if (fileName.empty())
    {
        return;
    }
    _fntFileName = fileName;
    _labelBMFontRenderer->setBMFontFilePath(fileName);

    updateContentSizeWithTextureSize(_labelBMFontRenderer->getContentSize());
    _labelBMFontRendererAdaptDirty = true;
}

void TextBMFont::setString(std::string_view value)
{
    if (value == _labelBMFontRenderer->getString())
    {
        return;
    }
    _stringValue = value;
    _labelBMFontRenderer->setString(value);
    updateContentSizeWithTextureSize(_labelBMFontRenderer->getContentSize());
    _labelBMFontRendererAdaptDirty = true;
}

std::string_view TextBMFont::getString() const
{
    return _stringValue;
}

ssize_t TextBMFont::getStringLength() const
{
    return _labelBMFontRenderer->getStringLength();
}

void TextBMFont::onSizeChanged()
{
    Widget::onSizeChanged();
    _labelBMFontRendererAdaptDirty = true;
}

void TextBMFont::adaptRenderers()
{
    if (_labelBMFontRendererAdaptDirty)
    {
        labelBMFontScaleChangedWithSize();
        _labelBMFontRendererAdaptDirty = false;
    }
}

Vec2 TextBMFont::getVirtualRendererSize() const
{
    return _labelBMFontRenderer->getContentSize();
}

Node* TextBMFont::getVirtualRenderer()
{
    return _labelBMFontRenderer;
}

void TextBMFont::labelBMFontScaleChangedWithSize()
{
    if (_ignoreSize)
    {
        _labelBMFontRenderer->setScale(1.0f);
    }
    else
    {
        Vec2 textureSize = _labelBMFontRenderer->getContentSize();
        if (textureSize.width <= 0.0f || textureSize.height <= 0.0f)
        {
            _labelBMFontRenderer->setScale(1.0f);
            return;
        }
        float scaleX = _contentSize.width / textureSize.width;
        float scaleY = _contentSize.height / textureSize.height;
        _labelBMFontRenderer->setScaleX(scaleX);
        _labelBMFontRenderer->setScaleY(scaleY);
    }
    _labelBMFontRenderer->setPosition(_contentSize.width / 2.0f, _contentSize.height / 2.0f);
}

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

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

void TextBMFont::copySpecialProperties(Widget* widget)
{
    TextBMFont* labelBMFont = dynamic_cast<TextBMFont*>(widget);
    if (labelBMFont)
    {
        setFntFile(labelBMFont->_fntFileName);
        setString(labelBMFont->_stringValue);
    }
}

ResourceData TextBMFont::getRenderFile()
{
    ResourceData rData;
    rData.type = 0;
    rData.file = _fntFileName;
    return rData;
}

void TextBMFont::resetRender()
{
    this->removeProtectedChild(_labelBMFontRenderer);
    this->initRenderer();
}
}  // namespace ui

NS_AX_END