NumericLabel.hpp

00001 //-----------------------------------------------------------
00002 //  NumericLabel class -- derived class of Label class
00003 //
00004 //  2016/11/07, Copyright (c) 2016 MIKAMI, Naoki
00005 //-----------------------------------------------------------
00006 
00007 #ifndef F746_NUMERIC_LABEL_HPP
00008 #define F746_NUMERIC_LABEL_HPP
00009 
00010 #include "Label.hpp"
00011 
00012 namespace Mikami
00013 {
00014     template <typename T> class NumericLabel : public Label
00015     {
00016     public:
00017         // Constructor without drawing value
00018         NumericLabel(uint16_t x, uint16_t y,
00019                      const char fmt[],
00020                      TextAlignMode mode = LEFT,
00021                      sFONT &fonts = Font12,
00022                      uint32_t textColor = GuiBase::ENUM_TEXT,
00023                      uint32_t backColor = GuiBase::ENUM_BACK)
00024             : Label(x, y, "", mode, fonts, textColor, backColor), FMT_(fmt) {}
00025 
00026         // Constructor with drawing value
00027         NumericLabel(uint16_t x, uint16_t y,
00028                      const char fmt[], T val,
00029                      TextAlignMode mode = LEFT,
00030                      sFONT &fonts = Font12,
00031                      uint32_t textColor = GuiBase::ENUM_TEXT,
00032                      uint32_t backColor = GuiBase::ENUM_BACK)
00033             : Label(x, y, "", mode, fonts, textColor, backColor), FMT_(fmt)
00034         {   Draw(val); }
00035 
00036         // Draw value using format specified in constructor
00037         void Draw(T val)
00038         {
00039             sprintf(str_, FMT_, val);
00040             Label::Draw(str_);
00041         }
00042 
00043         // Draw value
00044         void Draw(const char fmt[], T val)
00045         {
00046             sprintf(str_, fmt, val);
00047             Label::Draw(str_);
00048         }
00049 
00050         // Draw previous value with specified color
00051         void Redraw(uint32_t color)
00052         {   Label::Draw(str_, color); }
00053 
00054     private:
00055         const char *const FMT_;
00056         char str_[81];
00057 
00058         // disallow copy constructor and assignment operator
00059         NumericLabel(const NumericLabel&);
00060         NumericLabel& operator=(const NumericLabel&);
00061     };
00062 }
00063 #endif  // F746_NUMERIC_LABEL_HPP
00064