cocos2d-x/cocos/2d/CCLabelTTF.h

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

/// @cond DO_NOT_SHOW

#include "2d/CCNode.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

/// @cond

class Label;

/**
 * @addtogroup _2d
 * @{
 */

/** @brief LabelTTF is a subclass of TextureNode that knows how to render text labels
 *
 * All features from TextureNode are valid in LabelTTF
 *
 * LabelTTF objects are slow. Consider using LabelAtlas or LabelBMFont instead.
 *
 * Custom ttf file can be put in assets/ or external storage that the Application can access.
 * @code
 * LabelTTF *label1 = LabelTTF::create("alignment left", "A Damn Mess", fontSize, blockSize, 
 *                                          TextHAlignment::LEFT, TextVAlignment::CENTER);
 * LabelTTF *label2 = LabelTTF::create("alignment right", "/mnt/sdcard/Scissor Cuts.ttf", fontSize, blockSize,
 *                                          TextHAlignment::LEFT, TextVAlignment::CENTER);
 * @endcode
 *
 */
class CC_DLL CC_DEPRECATED_ATTRIBUTE LabelTTF : public Node, public LabelProtocol, public BlendProtocol
{
public:
    /**
     * @js ctor
     */
    LabelTTF();
    /**
     * @js NA
     * @lua NA
     */
    virtual ~LabelTTF();

    /** creates a Label from a fontname, alignment, dimension in points and font size in points
     @since v2.0.1
     */
    static LabelTTF * create(const std::string& string, const std::string& fontName, float fontSize,
                             const Size& dimensions = Size::ZERO, TextHAlignment hAlignment = TextHAlignment::CENTER,
                             TextVAlignment vAlignment = TextVAlignment::TOP);
    
    
    /** Create a label with string and a font definition*/
    static LabelTTF * createWithFontDefinition(const std::string& string, FontDefinition &textDefinition);
    
    /** initializes the LabelTTF with a font name, alignment, dimension and font size */
    bool initWithString(const std::string& string, const std::string& fontName, float fontSize,
                        const Size& dimensions = Size::ZERO, TextHAlignment hAlignment = TextHAlignment::LEFT, 
                        TextVAlignment vAlignment = TextVAlignment::TOP);
    
    /** initializes the LabelTTF with a font name, alignment, dimension and font size */
    bool initWithStringAndTextDefinition(const std::string& string, FontDefinition &textDefinition);
    
    /** set the text definition used by this label */
    void setTextDefinition(const FontDefinition& theDefinition);
    
    /** get the text definition used by this label */
    const FontDefinition& getTextDefinition();
    
    
    
    /** enable or disable shadow for the label */
    void enableShadow(const Size &shadowOffset, float shadowOpacity, float shadowBlur, bool mustUpdateTexture = true);
    
    /** disable shadow rendering */
    void disableShadow(bool mustUpdateTexture = true);
    
    /** enable or disable stroke */
    void enableStroke(const Color3B &strokeColor, float strokeSize, bool mustUpdateTexture = true);
    
    /** disable stroke */
    void disableStroke(bool mustUpdateTexture = true);
    
    /** set text tinting */
    void setFontFillColor(const Color3B &tintColor, bool mustUpdateTexture = true);

    /** Creates an label.
     */
    static LabelTTF * create();

    /** changes the string to render
    * @warning Changing the string is as expensive as creating a new LabelTTF. To obtain better performance use LabelAtlas
    */
    virtual void setString(const std::string &label) override;
    virtual const std::string& getString(void) const override ;
    
    TextHAlignment getHorizontalAlignment() const;
    void setHorizontalAlignment(TextHAlignment alignment);
    
    TextVAlignment getVerticalAlignment() const;
    void setVerticalAlignment(TextVAlignment verticalAlignment);
    
    const Size& getDimensions() const;
    void setDimensions(const Size &dim);
    
    float getFontSize() const;
    void setFontSize(float fontSize);
    
    const std::string& getFontName() const;
    void setFontName(const std::string& fontName);

    virtual void setBlendFunc(const BlendFunc &blendFunc) override;

    virtual const BlendFunc &getBlendFunc() const override;

    virtual void setFlippedX(bool flippedX);
    virtual void setFlippedY(bool flippedY);

    virtual Rect getBoundingBox() const override;

    /**
     * @js NA
     * @lua NA
     */
    virtual std::string getDescription() const override;
    virtual void visit(Renderer *renderer, const Mat4 &parentTransform, uint32_t parentFlags) override;
    virtual const Size& getContentSize() const override;
protected:
    Label*    _renderLabel;
    bool _contentDirty;
    FontDefinition _fontDef;
};


// end of group
/// @}
#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

/// @endcond
#endif //__CCLABEL_H__