Maxim Integrated / Mbed OS MAXREFDES155#

Dependencies:   MaximInterface

Text.hpp

Committer:
IanBenzMaxim
Date:
2017-04-10
Revision:
10:71359af61af8
Parent:
8:a0d75dff3c9b
Child:
13:6a6225690c2e

File content as of revision 10:71359af61af8:

/*******************************************************************************
* Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
*
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*
* The above copyright notice and this permission notice shall be included
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
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* Products, Inc. shall not be used except as stated in the Maxim Integrated
* Products, Inc. Branding Policy.
*
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* property whatsoever. Maxim Integrated Products, Inc. retains all
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*******************************************************************************/

#ifndef TEXT_HPP
#define TEXT_HPP

#include <list>
#include <string>
#include "Graphic.hpp"

/// Text graphical primitive.
class Text : public Graphic
{
public:
    Text();
    
    /// @{
    /// Text string to display.
    /// @details Only printable ASCII characters and the line feed ('\n') will be displayed.
    const std::string & text() const { return m_text; }
    void setText(const std::string & text);
    /// @}
    
    /// @{
    /// Lines will wrapped when they are too long to be displayed with the current width.
    bool wordWrap() const { return m_wordWrap; }
    void setWordWrap(bool wordWrap);
    /// @}
    
    /// @{
    /// Spacing in pixels between characters.
    int charSpacing() const { return m_charSpacing; }
    void setCharSpacing(int charSpacing);
    /// @}
    
    /// @{
    /// Spacing in pixels between lines.
    int lineSpacing() const { return m_lineSpacing; }
    void setLineSpacing(int lineSpacing);
    /// @}
    
    /// @{
    /// @note Preferred width and height are calculated after word wrapping.
    int preferredWidth() const;
    int preferredHeight() const;
    /// @}
    
protected:
    virtual void resized();
    virtual void doRender(Bitmap & bitmap, int xOffset, int yOffset) const;

private:
    void calculateLayout() const;

    std::string m_text;
    bool m_wordWrap;
    int m_charSpacing;
    int m_lineSpacing;
    
    mutable std::list<std::string> m_textLines;
    mutable int m_preferredWidth;
    mutable int m_preferredHeight;
};

#endif