alunno4 alunno4 / BraccialeSlave

Bracciale Slave

Adafruit_GFX.h@19:e5d8d6e7fac5, 2019-02-25 (annotated)

Committer:
gandhi4
Date:
Mon Feb 25 21:14:16 2019 +0000
Revision:
19:e5d8d6e7fac5
Parent:
14:edb3c36aa1a7 
a

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nkhorman 9:ddb97c9850a2 1 #ifndef _ADAFRUIT_GFX_H_
nkhorman 9:ddb97c9850a2 2 #define _ADAFRUIT_GFX_H_
nkhorman 9:ddb97c9850a2 3
nkhorman 9:ddb97c9850a2 4 static inline void swap(int16_t &a, int16_t &b)
nkhorman 9:ddb97c9850a2 5 {
nkhorman 9:ddb97c9850a2 6 int16_t t = a;
nkhorman 9:ddb97c9850a2 7
nkhorman 9:ddb97c9850a2 8 a = b;
nkhorman 9:ddb97c9850a2 9 b = t;
nkhorman 9:ddb97c9850a2 10 }
nkhorman 9:ddb97c9850a2 11
nkhorman 9:ddb97c9850a2 12 #ifndef _BV
nkhorman 9:ddb97c9850a2 13 #define _BV(bit) (1<<(bit))
nkhorman 9:ddb97c9850a2 14 #endif
nkhorman 9:ddb97c9850a2 15
nkhorman 9:ddb97c9850a2 16 #define BLACK 0
nkhorman 9:ddb97c9850a2 17 #define WHITE 1
nkhorman 9:ddb97c9850a2 18
nkhorman 9:ddb97c9850a2 19 class Adafruit_GFX : public Stream
nkhorman 9:ddb97c9850a2 20 {
nkhorman 9:ddb97c9850a2 21 public:
nkhorman 9:ddb97c9850a2 22 Adafruit_GFX(int16_t w, int16_t h)
nkhorman 9:ddb97c9850a2 23 : _rawWidth(w)
nkhorman 9:ddb97c9850a2 24 , _rawHeight(h)
nkhorman 9:ddb97c9850a2 25 , _width(w)
nkhorman 9:ddb97c9850a2 26 , _height(h)
nkhorman 9:ddb97c9850a2 27 , cursor_x(0)
nkhorman 9:ddb97c9850a2 28 , cursor_y(0)
nkhorman 9:ddb97c9850a2 29 , textcolor(WHITE)
nkhorman 9:ddb97c9850a2 30 , textbgcolor(BLACK)
nkhorman 9:ddb97c9850a2 31 , textsize(1)
nkhorman 9:ddb97c9850a2 32 , rotation(0)
nkhorman 9:ddb97c9850a2 33 , wrap(true)
nkhorman 9:ddb97c9850a2 34 {};
nkhorman 9:ddb97c9850a2 35
nkhorman 11:86909e6db3c8 36 /// Paint one BLACK or WHITE pixel in the display buffer
nkhorman 9:ddb97c9850a2 37 // this must be defined by the subclass
nkhorman 9:ddb97c9850a2 38 virtual void drawPixel(int16_t x, int16_t y, uint16_t color) = 0;
nkhorman 9:ddb97c9850a2 39 // this is optional
nkhorman 9:ddb97c9850a2 40 virtual void invertDisplay(bool i) {};
nkhorman 9:ddb97c9850a2 41
nkhorman 9:ddb97c9850a2 42 // Stream implementation - provides printf() interface
nkhorman 9:ddb97c9850a2 43 // You would otherwise be forced to use writeChar()
nkhorman 9:ddb97c9850a2 44 virtual int _putc(int value) { return writeChar(value); };
nkhorman 9:ddb97c9850a2 45 virtual int _getc() { return -1; };
nkhorman 9:ddb97c9850a2 46
nkhorman 9:ddb97c9850a2 47
nkhorman 9:ddb97c9850a2 48
nkhorman 9:ddb97c9850a2 49
nkhorman 11:86909e6db3c8 50 /// Draw a text character at a specified pixel location
nkhorman 9:ddb97c9850a2 51 void drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size);
nkhorman 11:86909e6db3c8 52 /// Draw a text character at the text cursor location
nkhorman 9:ddb97c9850a2 53 size_t writeChar(uint8_t);
nkhorman 9:ddb97c9850a2 54
nkhorman 11:86909e6db3c8 55 /// Get the width of the display in pixels
nkhorman 14:edb3c36aa1a7 56 inline int16_t width(void) { return _width; };
nkhorman 11:86909e6db3c8 57 /// Get the height of the display in pixels
nkhorman 14:edb3c36aa1a7 58 inline int16_t height(void) { return _height; };
nkhorman 9:ddb97c9850a2 59
nkhorman 11:86909e6db3c8 60 /// Set the text cursor location, based on the size of the text
nkhorman 14:edb3c36aa1a7 61 inline void setTextCursor(int16_t x, int16_t y) { cursor_x = x; cursor_y = y; };
nkhorman 14:edb3c36aa1a7 62 #if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT)
nkhorman 11:86909e6db3c8 63 /** Set the size of the text to be drawn
nkhorman 11:86909e6db3c8 64 * @note Make sure to enable either GFX_SIZEABLE_TEXT or GFX_WANT_ABSTRACTS
nkhorman 11:86909e6db3c8 65 */
nkhorman 14:edb3c36aa1a7 66 inline void setTextSize(uint8_t s) { textsize = (s > 0) ? s : 1; };
nkhorman 9:ddb97c9850a2 67 #endif
nkhorman 11:86909e6db3c8 68 /// Set the text foreground and background colors to be the same
nkhorman 14:edb3c36aa1a7 69 inline void setTextColor(uint16_t c) { textcolor = c; textbgcolor = c; }
nkhorman 11:86909e6db3c8 70 /// Set the text foreground and background colors independantly
nkhorman 14:edb3c36aa1a7 71 inline void setTextColor(uint16_t c, uint16_t b) { textcolor = c; textbgcolor = b; };
nkhorman 11:86909e6db3c8 72 /// Set text wraping mode true or false
nkhorman 14:edb3c36aa1a7 73 inline void setTextWrap(bool w) { wrap = w; };
nkhorman 9:ddb97c9850a2 74
nkhorman 9:ddb97c9850a2 75
nkhorman 9:ddb97c9850a2 76 protected:
nkhorman 9:ddb97c9850a2 77 int16_t _rawWidth, _rawHeight; // this is the 'raw' display w/h - never changes
nkhorman 9:ddb97c9850a2 78 int16_t _width, _height; // dependent on rotation
nkhorman 9:ddb97c9850a2 79 int16_t cursor_x, cursor_y;
nkhorman 9:ddb97c9850a2 80 uint16_t textcolor, textbgcolor;
nkhorman 9:ddb97c9850a2 81 uint8_t textsize;
nkhorman 9:ddb97c9850a2 82 uint8_t rotation;
nkhorman 9:ddb97c9850a2 83 bool wrap; // If set, 'wrap' text at right edge of display
nkhorman 9:ddb97c9850a2 84 };
nkhorman 9:ddb97c9850a2 85
nkhorman 9:ddb97c9850a2 86 #endif