Ognjen Arbutina 2020/0581
Adafruit_GFX.h@9:ddb97c9850a2, 2014-10-19 (annotated)
- Committer:
- nkhorman
- Date:
- Sun Oct 19 20:55:27 2014 +0000
- Revision:
- 9:ddb97c9850a2
- Parent:
- 2:7bcea45e60d8
- Child:
- 11:86909e6db3c8
c++'ify the SPI vs I2C driver portions, instead of compile time defines.; The SSD1306 driver can now be instantiated multiple times, supporting simultaneous displays of differing dimensions.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
nkhorman | 9:ddb97c9850a2 | 1 | /*********************************** |
nkhorman | 9:ddb97c9850a2 | 2 | This is a our graphics core library, for all our displays. |
nkhorman | 9:ddb97c9850a2 | 3 | We'll be adapting all the |
nkhorman | 9:ddb97c9850a2 | 4 | existing libaries to use this core to make updating, support |
nkhorman | 9:ddb97c9850a2 | 5 | and upgrading easier! |
nkhorman | 9:ddb97c9850a2 | 6 | |
nkhorman | 9:ddb97c9850a2 | 7 | Adafruit invests time and resources providing this open source code, |
nkhorman | 9:ddb97c9850a2 | 8 | please support Adafruit and open-source hardware by purchasing |
nkhorman | 9:ddb97c9850a2 | 9 | products from Adafruit! |
nkhorman | 9:ddb97c9850a2 | 10 | |
nkhorman | 9:ddb97c9850a2 | 11 | Written by Limor Fried/Ladyada for Adafruit Industries. |
nkhorman | 9:ddb97c9850a2 | 12 | BSD license, check license.txt for more information |
nkhorman | 9:ddb97c9850a2 | 13 | All text above must be included in any redistribution |
nkhorman | 9:ddb97c9850a2 | 14 | ****************************************/ |
nkhorman | 9:ddb97c9850a2 | 15 | |
nkhorman | 9:ddb97c9850a2 | 16 | /* |
nkhorman | 9:ddb97c9850a2 | 17 | * Modified by Neal Horman 7/14/2012 for use in mbed |
nkhorman | 9:ddb97c9850a2 | 18 | */ |
nkhorman | 9:ddb97c9850a2 | 19 | |
nkhorman | 9:ddb97c9850a2 | 20 | #ifndef _ADAFRUIT_GFX_H_ |
nkhorman | 9:ddb97c9850a2 | 21 | #define _ADAFRUIT_GFX_H_ |
nkhorman | 9:ddb97c9850a2 | 22 | |
nkhorman | 9:ddb97c9850a2 | 23 | // Uncomment this on to enable all functionality |
nkhorman | 9:ddb97c9850a2 | 24 | //#define GFX_WANT_ABSTRACTS |
nkhorman | 9:ddb97c9850a2 | 25 | |
nkhorman | 9:ddb97c9850a2 | 26 | // Uncomment this to enable only runtime font scaling, without all the rest of the Abstracts |
nkhorman | 9:ddb97c9850a2 | 27 | //#define GFX_SIZEABLE_TEXT |
nkhorman | 9:ddb97c9850a2 | 28 | |
nkhorman | 9:ddb97c9850a2 | 29 | static inline void swap(int16_t &a, int16_t &b) |
nkhorman | 9:ddb97c9850a2 | 30 | { |
nkhorman | 9:ddb97c9850a2 | 31 | int16_t t = a; |
nkhorman | 9:ddb97c9850a2 | 32 | |
nkhorman | 9:ddb97c9850a2 | 33 | a = b; |
nkhorman | 9:ddb97c9850a2 | 34 | b = t; |
nkhorman | 9:ddb97c9850a2 | 35 | } |
nkhorman | 9:ddb97c9850a2 | 36 | |
nkhorman | 9:ddb97c9850a2 | 37 | #ifndef _BV |
nkhorman | 9:ddb97c9850a2 | 38 | #define _BV(bit) (1<<(bit)) |
nkhorman | 9:ddb97c9850a2 | 39 | #endif |
nkhorman | 9:ddb97c9850a2 | 40 | |
nkhorman | 9:ddb97c9850a2 | 41 | #define BLACK 0 |
nkhorman | 9:ddb97c9850a2 | 42 | #define WHITE 1 |
nkhorman | 9:ddb97c9850a2 | 43 | |
nkhorman | 9:ddb97c9850a2 | 44 | class Adafruit_GFX : public Stream |
nkhorman | 9:ddb97c9850a2 | 45 | { |
nkhorman | 9:ddb97c9850a2 | 46 | public: |
nkhorman | 9:ddb97c9850a2 | 47 | Adafruit_GFX(int16_t w, int16_t h) |
nkhorman | 9:ddb97c9850a2 | 48 | : _rawWidth(w) |
nkhorman | 9:ddb97c9850a2 | 49 | , _rawHeight(h) |
nkhorman | 9:ddb97c9850a2 | 50 | , _width(w) |
nkhorman | 9:ddb97c9850a2 | 51 | , _height(h) |
nkhorman | 9:ddb97c9850a2 | 52 | , cursor_x(0) |
nkhorman | 9:ddb97c9850a2 | 53 | , cursor_y(0) |
nkhorman | 9:ddb97c9850a2 | 54 | , textcolor(WHITE) |
nkhorman | 9:ddb97c9850a2 | 55 | , textbgcolor(BLACK) |
nkhorman | 9:ddb97c9850a2 | 56 | , textsize(1) |
nkhorman | 9:ddb97c9850a2 | 57 | , rotation(0) |
nkhorman | 9:ddb97c9850a2 | 58 | , wrap(true) |
nkhorman | 9:ddb97c9850a2 | 59 | {}; |
nkhorman | 9:ddb97c9850a2 | 60 | |
nkhorman | 9:ddb97c9850a2 | 61 | // this must be defined by the subclass |
nkhorman | 9:ddb97c9850a2 | 62 | virtual void drawPixel(int16_t x, int16_t y, uint16_t color) = 0; |
nkhorman | 9:ddb97c9850a2 | 63 | // this is optional |
nkhorman | 9:ddb97c9850a2 | 64 | virtual void invertDisplay(bool i) {}; |
nkhorman | 9:ddb97c9850a2 | 65 | |
nkhorman | 9:ddb97c9850a2 | 66 | // Stream implementation - provides printf() interface |
nkhorman | 9:ddb97c9850a2 | 67 | // You would otherwise be forced to use writeChar() |
nkhorman | 9:ddb97c9850a2 | 68 | virtual int _putc(int value) { return writeChar(value); }; |
nkhorman | 9:ddb97c9850a2 | 69 | virtual int _getc() { return -1; }; |
nkhorman | 9:ddb97c9850a2 | 70 | |
nkhorman | 9:ddb97c9850a2 | 71 | #ifdef GFX_WANT_ABSTRACTS |
nkhorman | 9:ddb97c9850a2 | 72 | // these are 'generic' drawing functions, so we can share them! |
nkhorman | 9:ddb97c9850a2 | 73 | virtual void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 74 | virtual void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 75 | virtual void fillScreen(uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 76 | |
nkhorman | 9:ddb97c9850a2 | 77 | void drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 78 | void drawCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 79 | void fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 80 | void fillCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, int16_t delta, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 81 | |
nkhorman | 9:ddb97c9850a2 | 82 | void drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 83 | void fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 84 | void drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 85 | void fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 86 | #endif |
nkhorman | 9:ddb97c9850a2 | 87 | |
nkhorman | 9:ddb97c9850a2 | 88 | #if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT) |
nkhorman | 9:ddb97c9850a2 | 89 | virtual void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 90 | virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 91 | virtual void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 92 | #endif |
nkhorman | 9:ddb97c9850a2 | 93 | |
nkhorman | 9:ddb97c9850a2 | 94 | void drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color); |
nkhorman | 9:ddb97c9850a2 | 95 | void drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size); |
nkhorman | 9:ddb97c9850a2 | 96 | size_t writeChar(uint8_t); |
nkhorman | 9:ddb97c9850a2 | 97 | |
nkhorman | 9:ddb97c9850a2 | 98 | int16_t width(void) { return _width; }; |
nkhorman | 9:ddb97c9850a2 | 99 | int16_t height(void) { return _height; }; |
nkhorman | 9:ddb97c9850a2 | 100 | |
nkhorman | 9:ddb97c9850a2 | 101 | void setTextCursor(int16_t x, int16_t y) { cursor_x = x; cursor_y = y; }; |
nkhorman | 9:ddb97c9850a2 | 102 | #if defined(GFX_SIZEABLE_TEXT) |
nkhorman | 9:ddb97c9850a2 | 103 | void setTextSize(uint8_t s) { textsize = (s > 0) ? s : 1; }; |
nkhorman | 9:ddb97c9850a2 | 104 | #endif |
nkhorman | 9:ddb97c9850a2 | 105 | void setTextColor(uint16_t c) { textcolor = c; textbgcolor = c; } |
nkhorman | 9:ddb97c9850a2 | 106 | void setTextColor(uint16_t c, uint16_t b) { textcolor = c; textbgcolor = b; }; |
nkhorman | 9:ddb97c9850a2 | 107 | void setTextWrap(bool w) { wrap = w; }; |
nkhorman | 9:ddb97c9850a2 | 108 | |
nkhorman | 9:ddb97c9850a2 | 109 | void setRotation(uint8_t r); |
nkhorman | 9:ddb97c9850a2 | 110 | uint8_t getRotation(void) { rotation %= 4; return rotation; }; |
nkhorman | 9:ddb97c9850a2 | 111 | |
nkhorman | 9:ddb97c9850a2 | 112 | protected: |
nkhorman | 9:ddb97c9850a2 | 113 | int16_t _rawWidth, _rawHeight; // this is the 'raw' display w/h - never changes |
nkhorman | 9:ddb97c9850a2 | 114 | int16_t _width, _height; // dependent on rotation |
nkhorman | 9:ddb97c9850a2 | 115 | int16_t cursor_x, cursor_y; |
nkhorman | 9:ddb97c9850a2 | 116 | uint16_t textcolor, textbgcolor; |
nkhorman | 9:ddb97c9850a2 | 117 | uint8_t textsize; |
nkhorman | 9:ddb97c9850a2 | 118 | uint8_t rotation; |
nkhorman | 9:ddb97c9850a2 | 119 | bool wrap; // If set, 'wrap' text at right edge of display |
nkhorman | 9:ddb97c9850a2 | 120 | }; |
nkhorman | 9:ddb97c9850a2 | 121 | |
nkhorman | 9:ddb97c9850a2 | 122 | #endif |