p kj / Mbed 2 deprecated LPC824-BlynkWeatherstation

Microduino

Dependencies:   mbed

Fork of Io_moon by Li Weiyi

Adafruit_GFX/Adafruit_GFX.h@1:e34100dd6532, 2016-06-24 (annotated)

Committer:
lixianyu
Date:
Fri Jun 24 02:06:43 2016 +0000
Revision:
1:e34100dd6532
Parent:
0:740c1eb2df13 
?Arduino??????????0~255??????LPC824????????????????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lixianyu 0:740c1eb2df13 1 /***********************************
lixianyu 0:740c1eb2df13 2 This is a our graphics core library, for all our displays.
lixianyu 0:740c1eb2df13 3 We'll be adapting all the
lixianyu 0:740c1eb2df13 4 existing libaries to use this core to make updating, support
lixianyu 0:740c1eb2df13 5 and upgrading easier!
lixianyu 0:740c1eb2df13 6
lixianyu 0:740c1eb2df13 7 Adafruit invests time and resources providing this open source code,
lixianyu 0:740c1eb2df13 8 please support Adafruit and open-source hardware by purchasing
lixianyu 0:740c1eb2df13 9 products from Adafruit!
lixianyu 0:740c1eb2df13 10
lixianyu 0:740c1eb2df13 11 Written by Limor Fried/Ladyada for Adafruit Industries.
lixianyu 0:740c1eb2df13 12 BSD license, check license.txt for more information
lixianyu 0:740c1eb2df13 13 All text above must be included in any redistribution
lixianyu 0:740c1eb2df13 14 ****************************************/
lixianyu 0:740c1eb2df13 15
lixianyu 0:740c1eb2df13 16 /*
lixianyu 0:740c1eb2df13 17 * Modified by Neal Horman 7/14/2012 for use in mbed
lixianyu 0:740c1eb2df13 18 */
lixianyu 0:740c1eb2df13 19
lixianyu 0:740c1eb2df13 20 #ifndef _ADAFRUIT_GFX_H_
lixianyu 0:740c1eb2df13 21 #define _ADAFRUIT_GFX_H_
lixianyu 0:740c1eb2df13 22
lixianyu 0:740c1eb2df13 23 #include "Adafruit_GFX_Config.h"
lixianyu 0:740c1eb2df13 24
lixianyu 0:740c1eb2df13 25 static inline void swap(int16_t &a, int16_t &b)
lixianyu 0:740c1eb2df13 26 {
lixianyu 0:740c1eb2df13 27 int16_t t = a;
lixianyu 0:740c1eb2df13 28
lixianyu 0:740c1eb2df13 29 a = b;
lixianyu 0:740c1eb2df13 30 b = t;
lixianyu 0:740c1eb2df13 31 }
lixianyu 0:740c1eb2df13 32
lixianyu 0:740c1eb2df13 33 #ifndef _BV
lixianyu 0:740c1eb2df13 34 #define _BV(bit) (1<<(bit))
lixianyu 0:740c1eb2df13 35 #endif
lixianyu 0:740c1eb2df13 36
lixianyu 0:740c1eb2df13 37 #define BLACK 0
lixianyu 0:740c1eb2df13 38 #define WHITE 1
lixianyu 0:740c1eb2df13 39
lixianyu 0:740c1eb2df13 40 /**
lixianyu 0:740c1eb2df13 41 * This is a Text and Graphics element drawing class.
lixianyu 0:740c1eb2df13 42 * These functions draw to the display buffer.
lixianyu 0:740c1eb2df13 43 *
lixianyu 0:740c1eb2df13 44 * Display drivers should be derived from here.
lixianyu 0:740c1eb2df13 45 * The Display drivers push the display buffer to the
lixianyu 0:740c1eb2df13 46 * hardware based on application control.
lixianyu 0:740c1eb2df13 47 *
lixianyu 0:740c1eb2df13 48 */
lixianyu 0:740c1eb2df13 49 class Adafruit_GFX : public Stream
lixianyu 0:740c1eb2df13 50 {
lixianyu 0:740c1eb2df13 51 public:
lixianyu 0:740c1eb2df13 52 Adafruit_GFX(int16_t w, int16_t h)
lixianyu 0:740c1eb2df13 53 : _rawWidth(w)
lixianyu 0:740c1eb2df13 54 , _rawHeight(h)
lixianyu 0:740c1eb2df13 55 , _width(w)
lixianyu 0:740c1eb2df13 56 , _height(h)
lixianyu 0:740c1eb2df13 57 , cursor_x(0)
lixianyu 0:740c1eb2df13 58 , cursor_y(0)
lixianyu 0:740c1eb2df13 59 , textcolor(WHITE)
lixianyu 0:740c1eb2df13 60 , textbgcolor(BLACK)
lixianyu 0:740c1eb2df13 61 , textsize(1)
lixianyu 0:740c1eb2df13 62 , rotation(0)
lixianyu 0:740c1eb2df13 63 , wrap(true)
lixianyu 0:740c1eb2df13 64 {};
lixianyu 0:740c1eb2df13 65
lixianyu 0:740c1eb2df13 66 /// Paint one BLACK or WHITE pixel in the display buffer
lixianyu 0:740c1eb2df13 67 // this must be defined by the subclass
lixianyu 0:740c1eb2df13 68 virtual void drawPixel(int16_t x, int16_t y, uint16_t color) = 0;
lixianyu 0:740c1eb2df13 69 // this is optional
lixianyu 0:740c1eb2df13 70 virtual void invertDisplay(bool i) {};
lixianyu 0:740c1eb2df13 71
lixianyu 0:740c1eb2df13 72 // Stream implementation - provides printf() interface
lixianyu 0:740c1eb2df13 73 // You would otherwise be forced to use writeChar()
lixianyu 0:740c1eb2df13 74 virtual int _putc(int value) { return writeChar(value); };
lixianyu 0:740c1eb2df13 75 virtual int _getc() { return -1; };
lixianyu 0:740c1eb2df13 76
lixianyu 0:740c1eb2df13 77 #ifdef GFX_WANT_ABSTRACTS
lixianyu 0:740c1eb2df13 78 // these are 'generic' drawing functions, so we can share them!
lixianyu 0:740c1eb2df13 79
lixianyu 0:740c1eb2df13 80 /** Draw a Horizontal Line
lixianyu 0:740c1eb2df13 81 * @note GFX_WANT_ABSTRACTS must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 82 */
lixianyu 0:740c1eb2df13 83 virtual void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
lixianyu 0:740c1eb2df13 84 /** Draw a rectangle
lixianyu 0:740c1eb2df13 85 * @note GFX_WANT_ABSTRACTS must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 86 */
lixianyu 0:740c1eb2df13 87 virtual void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
lixianyu 0:740c1eb2df13 88 /** Fill the entire display
lixianyu 0:740c1eb2df13 89 * @note GFX_WANT_ABSTRACTS must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 90 */
lixianyu 0:740c1eb2df13 91 virtual void fillScreen(uint16_t color);
lixianyu 0:740c1eb2df13 92
lixianyu 0:740c1eb2df13 93 /** Draw a circle
lixianyu 0:740c1eb2df13 94 * @note GFX_WANT_ABSTRACTS must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 95 */
lixianyu 0:740c1eb2df13 96 void drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color);
lixianyu 0:740c1eb2df13 97 void drawCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, uint16_t color);
lixianyu 0:740c1eb2df13 98
lixianyu 0:740c1eb2df13 99 /** Draw and fill a circle
lixianyu 0:740c1eb2df13 100 * @note GFX_WANT_ABSTRACTS must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 101 */
lixianyu 0:740c1eb2df13 102 void fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color);
lixianyu 0:740c1eb2df13 103 void fillCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, int16_t delta, uint16_t color);
lixianyu 0:740c1eb2df13 104
lixianyu 0:740c1eb2df13 105 /** Draw a triangle
lixianyu 0:740c1eb2df13 106 * @note GFX_WANT_ABSTRACTS must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 107 */
lixianyu 0:740c1eb2df13 108 void drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color);
lixianyu 0:740c1eb2df13 109 /** Draw and fill a triangle
lixianyu 0:740c1eb2df13 110 * @note GFX_WANT_ABSTRACTS must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 111 */
lixianyu 0:740c1eb2df13 112 void fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color);
lixianyu 0:740c1eb2df13 113
lixianyu 0:740c1eb2df13 114 /** Draw a rounded rectangle
lixianyu 0:740c1eb2df13 115 * @note GFX_WANT_ABSTRACTS must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 116 */
lixianyu 0:740c1eb2df13 117 void drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color);
lixianyu 0:740c1eb2df13 118 /** Draw and fill a rounded rectangle
lixianyu 0:740c1eb2df13 119 * @note GFX_WANT_ABSTRACTS must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 120 */
lixianyu 0:740c1eb2df13 121 void fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color);
lixianyu 0:740c1eb2df13 122 /** Draw a bitmap
lixianyu 0:740c1eb2df13 123 * @note GFX_WANT_ABSTRACTS must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 124 */
lixianyu 0:740c1eb2df13 125 void drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color);
lixianyu 0:740c1eb2df13 126 #endif
lixianyu 0:740c1eb2df13 127
lixianyu 0:740c1eb2df13 128 #if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT)
lixianyu 0:740c1eb2df13 129 /** Draw a line
lixianyu 0:740c1eb2df13 130 * @note GFX_WANT_ABSTRACTS or GFX_SIZEABLE_TEXT must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 131 */
lixianyu 0:740c1eb2df13 132 virtual void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color);
lixianyu 0:740c1eb2df13 133 /** Draw a vertical line
lixianyu 0:740c1eb2df13 134 * @note GFX_WANT_ABSTRACTS or GFX_SIZEABLE_TEXT must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 135 */
lixianyu 0:740c1eb2df13 136 virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
lixianyu 0:740c1eb2df13 137 /** Draw and fill a rectangle
lixianyu 0:740c1eb2df13 138 * @note GFX_WANT_ABSTRACTS or GFX_SIZEABLE_TEXT must be defined in Adafruit_GFX_config.h
lixianyu 0:740c1eb2df13 139 */
lixianyu 0:740c1eb2df13 140 virtual void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
lixianyu 0:740c1eb2df13 141 #endif
lixianyu 0:740c1eb2df13 142
lixianyu 0:740c1eb2df13 143 /// Draw a text character at a specified pixel location
lixianyu 0:740c1eb2df13 144 void drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size);
lixianyu 0:740c1eb2df13 145 /// Draw a text character at the text cursor location
lixianyu 0:740c1eb2df13 146 size_t writeChar(uint8_t);
lixianyu 0:740c1eb2df13 147
lixianyu 0:740c1eb2df13 148 /// Get the width of the display in pixels
lixianyu 0:740c1eb2df13 149 inline int16_t width(void) { return _width; };
lixianyu 0:740c1eb2df13 150 /// Get the height of the display in pixels
lixianyu 0:740c1eb2df13 151 inline int16_t height(void) { return _height; };
lixianyu 0:740c1eb2df13 152
lixianyu 0:740c1eb2df13 153 /// Set the text cursor location, based on the size of the text
lixianyu 0:740c1eb2df13 154 inline void setTextCursor(int16_t x, int16_t y) { cursor_x = x; cursor_y = y; };
lixianyu 0:740c1eb2df13 155 #if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT)
lixianyu 0:740c1eb2df13 156 /** Set the size of the text to be drawn
lixianyu 0:740c1eb2df13 157 * @note Make sure to enable either GFX_SIZEABLE_TEXT or GFX_WANT_ABSTRACTS
lixianyu 0:740c1eb2df13 158 */
lixianyu 0:740c1eb2df13 159 inline void setTextSize(uint8_t s) { textsize = (s > 0) ? s : 1; };
lixianyu 0:740c1eb2df13 160 #endif
lixianyu 0:740c1eb2df13 161 /// Set the text foreground and background colors to be the same
lixianyu 0:740c1eb2df13 162 inline void setTextColor(uint16_t c) { textcolor = c; textbgcolor = c; }
lixianyu 0:740c1eb2df13 163 /// Set the text foreground and background colors independantly
lixianyu 0:740c1eb2df13 164 inline void setTextColor(uint16_t c, uint16_t b) { textcolor = c; textbgcolor = b; };
lixianyu 0:740c1eb2df13 165 /// Set text wraping mode true or false
lixianyu 0:740c1eb2df13 166 inline void setTextWrap(bool w) { wrap = w; };
lixianyu 0:740c1eb2df13 167
lixianyu 0:740c1eb2df13 168 /// Set the display rotation, 1, 2, 3, or 4
lixianyu 0:740c1eb2df13 169 void setRotation(uint8_t r);
lixianyu 0:740c1eb2df13 170 /// Get the current rotation
lixianyu 0:740c1eb2df13 171 inline uint8_t getRotation(void) { rotation %= 4; return rotation; };
lixianyu 0:740c1eb2df13 172
lixianyu 0:740c1eb2df13 173 protected:
lixianyu 0:740c1eb2df13 174 int16_t _rawWidth, _rawHeight; // this is the 'raw' display w/h - never changes
lixianyu 0:740c1eb2df13 175 int16_t _width, _height; // dependent on rotation
lixianyu 0:740c1eb2df13 176 int16_t cursor_x, cursor_y;
lixianyu 0:740c1eb2df13 177 uint16_t textcolor, textbgcolor;
lixianyu 0:740c1eb2df13 178 uint8_t textsize;
lixianyu 0:740c1eb2df13 179 uint8_t rotation;
lixianyu 0:740c1eb2df13 180 bool wrap; // If set, 'wrap' text at right edge of display
lixianyu 0:740c1eb2df13 181 };
lixianyu 0:740c1eb2df13 182
lixianyu 0:740c1eb2df13 183 #endif