Plantsigfox / Mbed 2 deprecated Plant Monitoring

Plant Monitoring project ei2i-4 Made by Jeanne Baumier, Anaïs Auberval and Thomas Broussard

Dependencies:   mbed

Drivers/Adafruit_OLED/Adafruit_GFX.cpp@9:c1392dfc57b8, 2018-01-15 (annotated)

Committer:
Tbroussard
Date:
Mon Jan 15 15:57:21 2018 +0000
Revision:
9:c1392dfc57b8
Parent:
5:209b3eb7c162 
Add deepsleep mode

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Tbroussard 5:209b3eb7c162 1 /***********************************
Tbroussard 5:209b3eb7c162 2 This is a our graphics core library, for all our displays.
Tbroussard 5:209b3eb7c162 3 We'll be adapting all the
Tbroussard 5:209b3eb7c162 4 existing libaries to use this core to make updating, support
Tbroussard 5:209b3eb7c162 5 and upgrading easier!
Tbroussard 5:209b3eb7c162 6
Tbroussard 5:209b3eb7c162 7 Adafruit invests time and resources providing this open source code,
Tbroussard 5:209b3eb7c162 8 please support Adafruit and open-source hardware by purchasing
Tbroussard 5:209b3eb7c162 9 products from Adafruit!
Tbroussard 5:209b3eb7c162 10
Tbroussard 5:209b3eb7c162 11 Written by Limor Fried/Ladyada for Adafruit Industries.
Tbroussard 5:209b3eb7c162 12 BSD license, check license.txt for more information
Tbroussard 5:209b3eb7c162 13 All text above must be included in any redistribution
Tbroussard 5:209b3eb7c162 14 ****************************************/
Tbroussard 5:209b3eb7c162 15
Tbroussard 5:209b3eb7c162 16 /*
Tbroussard 5:209b3eb7c162 17 * Modified by Neal Horman 7/14/2012 for use in mbed
Tbroussard 5:209b3eb7c162 18 */
Tbroussard 5:209b3eb7c162 19
Tbroussard 5:209b3eb7c162 20 #include "mbed.h"
Tbroussard 5:209b3eb7c162 21
Tbroussard 5:209b3eb7c162 22 #include "Adafruit_GFX.h"
Tbroussard 5:209b3eb7c162 23 #include "glcdfont.h"
Tbroussard 5:209b3eb7c162 24
Tbroussard 5:209b3eb7c162 25 #if defined(GFX_WANT_ABSTRACTS)
Tbroussard 5:209b3eb7c162 26 // draw a circle outline
Tbroussard 5:209b3eb7c162 27 void Adafruit_GFX::drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color)
Tbroussard 5:209b3eb7c162 28 {
Tbroussard 5:209b3eb7c162 29 int16_t f = 1 - r;
Tbroussard 5:209b3eb7c162 30 int16_t ddF_x = 1;
Tbroussard 5:209b3eb7c162 31 int16_t ddF_y = -2 * r;
Tbroussard 5:209b3eb7c162 32 int16_t x = 0;
Tbroussard 5:209b3eb7c162 33 int16_t y = r;
Tbroussard 5:209b3eb7c162 34
Tbroussard 5:209b3eb7c162 35 drawPixel(x0, y0+r, color);
Tbroussard 5:209b3eb7c162 36 drawPixel(x0, y0-r, color);
Tbroussard 5:209b3eb7c162 37 drawPixel(x0+r, y0, color);
Tbroussard 5:209b3eb7c162 38 drawPixel(x0-r, y0, color);
Tbroussard 5:209b3eb7c162 39
Tbroussard 5:209b3eb7c162 40 while (x<y)
Tbroussard 5:209b3eb7c162 41 {
Tbroussard 5:209b3eb7c162 42 if (f >= 0)
Tbroussard 5:209b3eb7c162 43 {
Tbroussard 5:209b3eb7c162 44 y--;
Tbroussard 5:209b3eb7c162 45 ddF_y += 2;
Tbroussard 5:209b3eb7c162 46 f += ddF_y;
Tbroussard 5:209b3eb7c162 47 }
Tbroussard 5:209b3eb7c162 48 x++;
Tbroussard 5:209b3eb7c162 49 ddF_x += 2;
Tbroussard 5:209b3eb7c162 50 f += ddF_x;
Tbroussard 5:209b3eb7c162 51
Tbroussard 5:209b3eb7c162 52 drawPixel(x0 + x, y0 + y, color);
Tbroussard 5:209b3eb7c162 53 drawPixel(x0 - x, y0 + y, color);
Tbroussard 5:209b3eb7c162 54 drawPixel(x0 + x, y0 - y, color);
Tbroussard 5:209b3eb7c162 55 drawPixel(x0 - x, y0 - y, color);
Tbroussard 5:209b3eb7c162 56 drawPixel(x0 + y, y0 + x, color);
Tbroussard 5:209b3eb7c162 57 drawPixel(x0 - y, y0 + x, color);
Tbroussard 5:209b3eb7c162 58 drawPixel(x0 + y, y0 - x, color);
Tbroussard 5:209b3eb7c162 59 drawPixel(x0 - y, y0 - x, color);
Tbroussard 5:209b3eb7c162 60 }
Tbroussard 5:209b3eb7c162 61 }
Tbroussard 5:209b3eb7c162 62
Tbroussard 5:209b3eb7c162 63 void Adafruit_GFX::drawCircleHelper( int16_t x0, int16_t y0, int16_t r, uint8_t cornername, uint16_t color)
Tbroussard 5:209b3eb7c162 64 {
Tbroussard 5:209b3eb7c162 65 int16_t f = 1 - r;
Tbroussard 5:209b3eb7c162 66 int16_t ddF_x = 1;
Tbroussard 5:209b3eb7c162 67 int16_t ddF_y = -2 * r;
Tbroussard 5:209b3eb7c162 68 int16_t x = 0;
Tbroussard 5:209b3eb7c162 69 int16_t y = r;
Tbroussard 5:209b3eb7c162 70
Tbroussard 5:209b3eb7c162 71 while (x<y)
Tbroussard 5:209b3eb7c162 72 {
Tbroussard 5:209b3eb7c162 73 if (f >= 0)
Tbroussard 5:209b3eb7c162 74 {
Tbroussard 5:209b3eb7c162 75 y--;
Tbroussard 5:209b3eb7c162 76 ddF_y += 2;
Tbroussard 5:209b3eb7c162 77 f += ddF_y;
Tbroussard 5:209b3eb7c162 78 }
Tbroussard 5:209b3eb7c162 79 x++;
Tbroussard 5:209b3eb7c162 80 ddF_x += 2;
Tbroussard 5:209b3eb7c162 81 f += ddF_x;
Tbroussard 5:209b3eb7c162 82
Tbroussard 5:209b3eb7c162 83 if (cornername & 0x4)
Tbroussard 5:209b3eb7c162 84 {
Tbroussard 5:209b3eb7c162 85 drawPixel(x0 + x, y0 + y, color);
Tbroussard 5:209b3eb7c162 86 drawPixel(x0 + y, y0 + x, color);
Tbroussard 5:209b3eb7c162 87 }
Tbroussard 5:209b3eb7c162 88
Tbroussard 5:209b3eb7c162 89 if (cornername & 0x2)
Tbroussard 5:209b3eb7c162 90 {
Tbroussard 5:209b3eb7c162 91 drawPixel(x0 + x, y0 - y, color);
Tbroussard 5:209b3eb7c162 92 drawPixel(x0 + y, y0 - x, color);
Tbroussard 5:209b3eb7c162 93 }
Tbroussard 5:209b3eb7c162 94
Tbroussard 5:209b3eb7c162 95 if (cornername & 0x8)
Tbroussard 5:209b3eb7c162 96 {
Tbroussard 5:209b3eb7c162 97 drawPixel(x0 - y, y0 + x, color);
Tbroussard 5:209b3eb7c162 98 drawPixel(x0 - x, y0 + y, color);
Tbroussard 5:209b3eb7c162 99 }
Tbroussard 5:209b3eb7c162 100
Tbroussard 5:209b3eb7c162 101 if (cornername & 0x1)
Tbroussard 5:209b3eb7c162 102 {
Tbroussard 5:209b3eb7c162 103 drawPixel(x0 - y, y0 - x, color);
Tbroussard 5:209b3eb7c162 104 drawPixel(x0 - x, y0 - y, color);
Tbroussard 5:209b3eb7c162 105 }
Tbroussard 5:209b3eb7c162 106 }
Tbroussard 5:209b3eb7c162 107 }
Tbroussard 5:209b3eb7c162 108
Tbroussard 5:209b3eb7c162 109 void Adafruit_GFX::fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color)
Tbroussard 5:209b3eb7c162 110 {
Tbroussard 5:209b3eb7c162 111 drawFastVLine(x0, y0-r, 2*r+1, color);
Tbroussard 5:209b3eb7c162 112 fillCircleHelper(x0, y0, r, 3, 0, color);
Tbroussard 5:209b3eb7c162 113 }
Tbroussard 5:209b3eb7c162 114
Tbroussard 5:209b3eb7c162 115 // used to do circles and roundrects!
Tbroussard 5:209b3eb7c162 116 void Adafruit_GFX::fillCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, int16_t delta, uint16_t color)
Tbroussard 5:209b3eb7c162 117 {
Tbroussard 5:209b3eb7c162 118 int16_t f = 1 - r;
Tbroussard 5:209b3eb7c162 119 int16_t ddF_x = 1;
Tbroussard 5:209b3eb7c162 120 int16_t ddF_y = -2 * r;
Tbroussard 5:209b3eb7c162 121 int16_t x = 0;
Tbroussard 5:209b3eb7c162 122 int16_t y = r;
Tbroussard 5:209b3eb7c162 123
Tbroussard 5:209b3eb7c162 124 while (x<y)
Tbroussard 5:209b3eb7c162 125 {
Tbroussard 5:209b3eb7c162 126 if (f >= 0)
Tbroussard 5:209b3eb7c162 127 {
Tbroussard 5:209b3eb7c162 128 y--;
Tbroussard 5:209b3eb7c162 129 ddF_y += 2;
Tbroussard 5:209b3eb7c162 130 f += ddF_y;
Tbroussard 5:209b3eb7c162 131 }
Tbroussard 5:209b3eb7c162 132 x++;
Tbroussard 5:209b3eb7c162 133 ddF_x += 2;
Tbroussard 5:209b3eb7c162 134 f += ddF_x;
Tbroussard 5:209b3eb7c162 135
Tbroussard 5:209b3eb7c162 136 if (cornername & 0x1)
Tbroussard 5:209b3eb7c162 137 {
Tbroussard 5:209b3eb7c162 138 drawFastVLine(x0+x, y0-y, 2*y+1+delta, color);
Tbroussard 5:209b3eb7c162 139 drawFastVLine(x0+y, y0-x, 2*x+1+delta, color);
Tbroussard 5:209b3eb7c162 140 }
Tbroussard 5:209b3eb7c162 141
Tbroussard 5:209b3eb7c162 142 if (cornername & 0x2)
Tbroussard 5:209b3eb7c162 143 {
Tbroussard 5:209b3eb7c162 144 drawFastVLine(x0-x, y0-y, 2*y+1+delta, color);
Tbroussard 5:209b3eb7c162 145 drawFastVLine(x0-y, y0-x, 2*x+1+delta, color);
Tbroussard 5:209b3eb7c162 146 }
Tbroussard 5:209b3eb7c162 147 }
Tbroussard 5:209b3eb7c162 148 }
Tbroussard 5:209b3eb7c162 149 #endif
Tbroussard 5:209b3eb7c162 150
Tbroussard 5:209b3eb7c162 151 #if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT)
Tbroussard 5:209b3eb7c162 152 // bresenham's algorithm - thx wikpedia
Tbroussard 5:209b3eb7c162 153 void Adafruit_GFX::drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color)
Tbroussard 5:209b3eb7c162 154 {
Tbroussard 5:209b3eb7c162 155 int16_t steep = abs(y1 - y0) > abs(x1 - x0);
Tbroussard 5:209b3eb7c162 156
Tbroussard 5:209b3eb7c162 157 if (steep)
Tbroussard 5:209b3eb7c162 158 {
Tbroussard 5:209b3eb7c162 159 swap(x0, y0);
Tbroussard 5:209b3eb7c162 160 swap(x1, y1);
Tbroussard 5:209b3eb7c162 161 }
Tbroussard 5:209b3eb7c162 162
Tbroussard 5:209b3eb7c162 163 if (x0 > x1)
Tbroussard 5:209b3eb7c162 164 {
Tbroussard 5:209b3eb7c162 165 swap(x0, x1);
Tbroussard 5:209b3eb7c162 166 swap(y0, y1);
Tbroussard 5:209b3eb7c162 167 }
Tbroussard 5:209b3eb7c162 168
Tbroussard 5:209b3eb7c162 169 int16_t dx, dy;
Tbroussard 5:209b3eb7c162 170 dx = x1 - x0;
Tbroussard 5:209b3eb7c162 171 dy = abs(y1 - y0);
Tbroussard 5:209b3eb7c162 172
Tbroussard 5:209b3eb7c162 173 int16_t err = dx / 2;
Tbroussard 5:209b3eb7c162 174 int16_t ystep;
Tbroussard 5:209b3eb7c162 175
Tbroussard 5:209b3eb7c162 176 if (y0 < y1)
Tbroussard 5:209b3eb7c162 177 ystep = 1;
Tbroussard 5:209b3eb7c162 178 else
Tbroussard 5:209b3eb7c162 179 ystep = -1;
Tbroussard 5:209b3eb7c162 180
Tbroussard 5:209b3eb7c162 181 for (; x0<=x1; x0++)
Tbroussard 5:209b3eb7c162 182 {
Tbroussard 5:209b3eb7c162 183 if (steep)
Tbroussard 5:209b3eb7c162 184 drawPixel(y0, x0, color);
Tbroussard 5:209b3eb7c162 185 else
Tbroussard 5:209b3eb7c162 186 drawPixel(x0, y0, color);
Tbroussard 5:209b3eb7c162 187
Tbroussard 5:209b3eb7c162 188 err -= dy;
Tbroussard 5:209b3eb7c162 189 if (err < 0)
Tbroussard 5:209b3eb7c162 190 {
Tbroussard 5:209b3eb7c162 191 y0 += ystep;
Tbroussard 5:209b3eb7c162 192 err += dx;
Tbroussard 5:209b3eb7c162 193 }
Tbroussard 5:209b3eb7c162 194 }
Tbroussard 5:209b3eb7c162 195 }
Tbroussard 5:209b3eb7c162 196
Tbroussard 5:209b3eb7c162 197 void Adafruit_GFX::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color)
Tbroussard 5:209b3eb7c162 198 {
Tbroussard 5:209b3eb7c162 199 // stupidest version - update in subclasses if desired!
Tbroussard 5:209b3eb7c162 200 drawLine(x, y, x, y+h-1, color);
Tbroussard 5:209b3eb7c162 201 }
Tbroussard 5:209b3eb7c162 202
Tbroussard 5:209b3eb7c162 203 void Adafruit_GFX::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)
Tbroussard 5:209b3eb7c162 204 {
Tbroussard 5:209b3eb7c162 205 // stupidest version - update in subclasses if desired!
Tbroussard 5:209b3eb7c162 206 for (int16_t i=x; i<x+w; i++)
Tbroussard 5:209b3eb7c162 207 drawFastVLine(i, y, h, color);
Tbroussard 5:209b3eb7c162 208 }
Tbroussard 5:209b3eb7c162 209 #endif
Tbroussard 5:209b3eb7c162 210
Tbroussard 5:209b3eb7c162 211 #if defined(GFX_WANT_ABSTRACTS)
Tbroussard 5:209b3eb7c162 212 // draw a rectangle
Tbroussard 5:209b3eb7c162 213 void Adafruit_GFX::drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)
Tbroussard 5:209b3eb7c162 214 {
Tbroussard 5:209b3eb7c162 215 drawFastHLine(x, y, w, color);
Tbroussard 5:209b3eb7c162 216 drawFastHLine(x, y+h-1, w, color);
Tbroussard 5:209b3eb7c162 217 drawFastVLine(x, y, h, color);
Tbroussard 5:209b3eb7c162 218 drawFastVLine(x+w-1, y, h, color);
Tbroussard 5:209b3eb7c162 219 }
Tbroussard 5:209b3eb7c162 220
Tbroussard 5:209b3eb7c162 221 void Adafruit_GFX::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color)
Tbroussard 5:209b3eb7c162 222 {
Tbroussard 5:209b3eb7c162 223 // stupidest version - update in subclasses if desired!
Tbroussard 5:209b3eb7c162 224 drawLine(x, y, x+w-1, y, color);
Tbroussard 5:209b3eb7c162 225 }
Tbroussard 5:209b3eb7c162 226
Tbroussard 5:209b3eb7c162 227 void Adafruit_GFX::fillScreen(uint16_t color)
Tbroussard 5:209b3eb7c162 228 {
Tbroussard 5:209b3eb7c162 229 fillRect(0, 0, _width, _height, color);
Tbroussard 5:209b3eb7c162 230 }
Tbroussard 5:209b3eb7c162 231
Tbroussard 5:209b3eb7c162 232 // draw a rounded rectangle!
Tbroussard 5:209b3eb7c162 233 void Adafruit_GFX::drawRoundRect(int16_t x, int16_t y, int16_t w, int16_t h, int16_t r, uint16_t color)
Tbroussard 5:209b3eb7c162 234 {
Tbroussard 5:209b3eb7c162 235 // smarter version
Tbroussard 5:209b3eb7c162 236 drawFastHLine(x+r , y , w-2*r, color); // Top
Tbroussard 5:209b3eb7c162 237 drawFastHLine(x+r , y+h-1, w-2*r, color); // Bottom
Tbroussard 5:209b3eb7c162 238 drawFastVLine( x , y+r , h-2*r, color); // Left
Tbroussard 5:209b3eb7c162 239 drawFastVLine( x+w-1, y+r , h-2*r, color); // Right
Tbroussard 5:209b3eb7c162 240 // draw four corners
Tbroussard 5:209b3eb7c162 241 drawCircleHelper(x+r , y+r , r, 1, color);
Tbroussard 5:209b3eb7c162 242 drawCircleHelper(x+w-r-1, y+r , r, 2, color);
Tbroussard 5:209b3eb7c162 243 drawCircleHelper(x+w-r-1, y+h-r-1, r, 4, color);
Tbroussard 5:209b3eb7c162 244 drawCircleHelper(x+r , y+h-r-1, r, 8, color);
Tbroussard 5:209b3eb7c162 245 }
Tbroussard 5:209b3eb7c162 246
Tbroussard 5:209b3eb7c162 247 // fill a rounded rectangle!
Tbroussard 5:209b3eb7c162 248 void Adafruit_GFX::fillRoundRect(int16_t x, int16_t y, int16_t w, int16_t h, int16_t r, uint16_t color)
Tbroussard 5:209b3eb7c162 249 {
Tbroussard 5:209b3eb7c162 250 // smarter version
Tbroussard 5:209b3eb7c162 251 fillRect(x+r, y, w-2*r, h, color);
Tbroussard 5:209b3eb7c162 252
Tbroussard 5:209b3eb7c162 253 // draw four corners
Tbroussard 5:209b3eb7c162 254 fillCircleHelper(x+w-r-1, y+r, r, 1, h-2*r-1, color);
Tbroussard 5:209b3eb7c162 255 fillCircleHelper(x+r , y+r, r, 2, h-2*r-1, color);
Tbroussard 5:209b3eb7c162 256 }
Tbroussard 5:209b3eb7c162 257
Tbroussard 5:209b3eb7c162 258 // draw a triangle!
Tbroussard 5:209b3eb7c162 259 void Adafruit_GFX::drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color)
Tbroussard 5:209b3eb7c162 260 {
Tbroussard 5:209b3eb7c162 261 drawLine(x0, y0, x1, y1, color);
Tbroussard 5:209b3eb7c162 262 drawLine(x1, y1, x2, y2, color);
Tbroussard 5:209b3eb7c162 263 drawLine(x2, y2, x0, y0, color);
Tbroussard 5:209b3eb7c162 264 }
Tbroussard 5:209b3eb7c162 265
Tbroussard 5:209b3eb7c162 266 // fill a triangle!
Tbroussard 5:209b3eb7c162 267 void Adafruit_GFX::fillTriangle ( int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color)
Tbroussard 5:209b3eb7c162 268 {
Tbroussard 5:209b3eb7c162 269 int16_t a, b, y, last;
Tbroussard 5:209b3eb7c162 270
Tbroussard 5:209b3eb7c162 271 // Sort coordinates by Y order (y2 >= y1 >= y0)
Tbroussard 5:209b3eb7c162 272 if (y0 > y1)
Tbroussard 5:209b3eb7c162 273 swap(y0, y1); swap(x0, x1);
Tbroussard 5:209b3eb7c162 274
Tbroussard 5:209b3eb7c162 275 if (y1 > y2)
Tbroussard 5:209b3eb7c162 276 swap(y2, y1); swap(x2, x1);
Tbroussard 5:209b3eb7c162 277
Tbroussard 5:209b3eb7c162 278 if (y0 > y1)
Tbroussard 5:209b3eb7c162 279 swap(y0, y1); swap(x0, x1);
Tbroussard 5:209b3eb7c162 280
Tbroussard 5:209b3eb7c162 281
Tbroussard 5:209b3eb7c162 282 if(y0 == y2)
Tbroussard 5:209b3eb7c162 283 { // Handle awkward all-on-same-line case as its own thing
Tbroussard 5:209b3eb7c162 284 a = b = x0;
Tbroussard 5:209b3eb7c162 285 if(x1 < a)
Tbroussard 5:209b3eb7c162 286 a = x1;
Tbroussard 5:209b3eb7c162 287 else if(x1 > b)
Tbroussard 5:209b3eb7c162 288 b = x1;
Tbroussard 5:209b3eb7c162 289
Tbroussard 5:209b3eb7c162 290 if(x2 < a)
Tbroussard 5:209b3eb7c162 291 a = x2;
Tbroussard 5:209b3eb7c162 292 else if(x2 > b) b = x2;
Tbroussard 5:209b3eb7c162 293 drawFastHLine(a, y0, b-a+1, color);
Tbroussard 5:209b3eb7c162 294 return;
Tbroussard 5:209b3eb7c162 295 }
Tbroussard 5:209b3eb7c162 296
Tbroussard 5:209b3eb7c162 297 int16_t
Tbroussard 5:209b3eb7c162 298 dx01 = x1 - x0,
Tbroussard 5:209b3eb7c162 299 dy01 = y1 - y0,
Tbroussard 5:209b3eb7c162 300 dx02 = x2 - x0,
Tbroussard 5:209b3eb7c162 301 dy02 = y2 - y0,
Tbroussard 5:209b3eb7c162 302 dx12 = x2 - x1,
Tbroussard 5:209b3eb7c162 303 dy12 = y2 - y1,
Tbroussard 5:209b3eb7c162 304 sa = 0,
Tbroussard 5:209b3eb7c162 305 sb = 0;
Tbroussard 5:209b3eb7c162 306
Tbroussard 5:209b3eb7c162 307 // For upper part of triangle, find scanline crossings for segments
Tbroussard 5:209b3eb7c162 308 // 0-1 and 0-2. If y1=y2 (flat-bottomed triangle), the scanline y1
Tbroussard 5:209b3eb7c162 309 // is included here (and second loop will be skipped, avoiding a /0
Tbroussard 5:209b3eb7c162 310 // error there), otherwise scanline y1 is skipped here and handled
Tbroussard 5:209b3eb7c162 311 // in the second loop...which also avoids a /0 error here if y0=y1
Tbroussard 5:209b3eb7c162 312 // (flat-topped triangle).
Tbroussard 5:209b3eb7c162 313 if(y1 == y2)
Tbroussard 5:209b3eb7c162 314 last = y1; // Include y1 scanline
Tbroussard 5:209b3eb7c162 315 else
Tbroussard 5:209b3eb7c162 316 last = y1-1; // Skip it
Tbroussard 5:209b3eb7c162 317
Tbroussard 5:209b3eb7c162 318 for(y=y0; y<=last; y++)
Tbroussard 5:209b3eb7c162 319 {
Tbroussard 5:209b3eb7c162 320 a = x0 + sa / dy01;
Tbroussard 5:209b3eb7c162 321 b = x0 + sb / dy02;
Tbroussard 5:209b3eb7c162 322 sa += dx01;
Tbroussard 5:209b3eb7c162 323 sb += dx02;
Tbroussard 5:209b3eb7c162 324 /* longhand:
Tbroussard 5:209b3eb7c162 325 a = x0 + (x1 - x0) * (y - y0) / (y1 - y0);
Tbroussard 5:209b3eb7c162 326 b = x0 + (x2 - x0) * (y - y0) / (y2 - y0);
Tbroussard 5:209b3eb7c162 327 */
Tbroussard 5:209b3eb7c162 328 if(a > b)
Tbroussard 5:209b3eb7c162 329 swap(a,b);
Tbroussard 5:209b3eb7c162 330 drawFastHLine(a, y, b-a+1, color);
Tbroussard 5:209b3eb7c162 331 }
Tbroussard 5:209b3eb7c162 332
Tbroussard 5:209b3eb7c162 333 // For lower part of triangle, find scanline crossings for segments
Tbroussard 5:209b3eb7c162 334 // 0-2 and 1-2. This loop is skipped if y1=y2.
Tbroussard 5:209b3eb7c162 335 sa = dx12 * (y - y1);
Tbroussard 5:209b3eb7c162 336 sb = dx02 * (y - y0);
Tbroussard 5:209b3eb7c162 337 for(; y<=y2; y++)
Tbroussard 5:209b3eb7c162 338 {
Tbroussard 5:209b3eb7c162 339 a = x1 + sa / dy12;
Tbroussard 5:209b3eb7c162 340 b = x0 + sb / dy02;
Tbroussard 5:209b3eb7c162 341 sa += dx12;
Tbroussard 5:209b3eb7c162 342 sb += dx02;
Tbroussard 5:209b3eb7c162 343 /* longhand:
Tbroussard 5:209b3eb7c162 344 a = x1 + (x2 - x1) * (y - y1) / (y2 - y1);
Tbroussard 5:209b3eb7c162 345 b = x0 + (x2 - x0) * (y - y0) / (y2 - y0);
Tbroussard 5:209b3eb7c162 346 */
Tbroussard 5:209b3eb7c162 347 if(a > b)
Tbroussard 5:209b3eb7c162 348 swap(a,b);
Tbroussard 5:209b3eb7c162 349 drawFastHLine(a, y, b-a+1, color);
Tbroussard 5:209b3eb7c162 350 }
Tbroussard 5:209b3eb7c162 351 }
Tbroussard 5:209b3eb7c162 352
Tbroussard 5:209b3eb7c162 353 void Adafruit_GFX::drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color)
Tbroussard 5:209b3eb7c162 354 {
Tbroussard 5:209b3eb7c162 355 for (int16_t j=0; j<h; j++)
Tbroussard 5:209b3eb7c162 356 {
Tbroussard 5:209b3eb7c162 357 for (int16_t i=0; i<w; i++ )
Tbroussard 5:209b3eb7c162 358 {
Tbroussard 5:209b3eb7c162 359 if (bitmap[i + (j/8)*w] & _BV(j%8))
Tbroussard 5:209b3eb7c162 360 drawPixel(x+i, y+j, color);
Tbroussard 5:209b3eb7c162 361 }
Tbroussard 5:209b3eb7c162 362 }
Tbroussard 5:209b3eb7c162 363 }
Tbroussard 5:209b3eb7c162 364 #endif
Tbroussard 5:209b3eb7c162 365
Tbroussard 5:209b3eb7c162 366 size_t Adafruit_GFX::writeChar(uint8_t c)
Tbroussard 5:209b3eb7c162 367 {
Tbroussard 5:209b3eb7c162 368 if (c == '\n')
Tbroussard 5:209b3eb7c162 369 {
Tbroussard 5:209b3eb7c162 370 cursor_y += textsize*8;
Tbroussard 5:209b3eb7c162 371 cursor_x = 0;
Tbroussard 5:209b3eb7c162 372 }
Tbroussard 5:209b3eb7c162 373 else if (c == '\r')
Tbroussard 5:209b3eb7c162 374 cursor_x = 0;
Tbroussard 5:209b3eb7c162 375 else
Tbroussard 5:209b3eb7c162 376 {
Tbroussard 5:209b3eb7c162 377 drawChar(cursor_x, cursor_y, c, textcolor, textbgcolor, textsize);
Tbroussard 5:209b3eb7c162 378 cursor_x += textsize*6;
Tbroussard 5:209b3eb7c162 379 if (wrap && (cursor_x > (_width - textsize*6)))
Tbroussard 5:209b3eb7c162 380 {
Tbroussard 5:209b3eb7c162 381 cursor_y += textsize*8;
Tbroussard 5:209b3eb7c162 382 cursor_x = 0;
Tbroussard 5:209b3eb7c162 383 }
Tbroussard 5:209b3eb7c162 384 }
Tbroussard 5:209b3eb7c162 385 return 1;
Tbroussard 5:209b3eb7c162 386 }
Tbroussard 5:209b3eb7c162 387
Tbroussard 5:209b3eb7c162 388 // draw a character
Tbroussard 5:209b3eb7c162 389 void Adafruit_GFX::drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size)
Tbroussard 5:209b3eb7c162 390 {
Tbroussard 5:209b3eb7c162 391 if(
Tbroussard 5:209b3eb7c162 392 (x >= _width) || // Clip right
Tbroussard 5:209b3eb7c162 393 (y >= _height) || // Clip bottom
Tbroussard 5:209b3eb7c162 394 ((x + 5 * size - 1) < 0) || // Clip left
Tbroussard 5:209b3eb7c162 395 ((y + 8 * size - 1) < 0) // Clip top
Tbroussard 5:209b3eb7c162 396 )
Tbroussard 5:209b3eb7c162 397 return;
Tbroussard 5:209b3eb7c162 398
Tbroussard 5:209b3eb7c162 399 for (int8_t i=0; i<6; i++ )
Tbroussard 5:209b3eb7c162 400 {
Tbroussard 5:209b3eb7c162 401 uint8_t line = 0;
Tbroussard 5:209b3eb7c162 402
Tbroussard 5:209b3eb7c162 403 if (i == 5)
Tbroussard 5:209b3eb7c162 404 line = 0x0;
Tbroussard 5:209b3eb7c162 405 else
Tbroussard 5:209b3eb7c162 406 line = font[(c*5)+i];
Tbroussard 5:209b3eb7c162 407
Tbroussard 5:209b3eb7c162 408 for (int8_t j = 0; j<8; j++)
Tbroussard 5:209b3eb7c162 409 {
Tbroussard 5:209b3eb7c162 410 if (line & 0x1)
Tbroussard 5:209b3eb7c162 411 {
Tbroussard 5:209b3eb7c162 412 #if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT)
Tbroussard 5:209b3eb7c162 413 if (size == 1) // default size
Tbroussard 5:209b3eb7c162 414 drawPixel(x+i, y+j, color);
Tbroussard 5:209b3eb7c162 415 else // big size
Tbroussard 5:209b3eb7c162 416 fillRect(x+(i*size), y+(j*size), size, size, color);
Tbroussard 5:209b3eb7c162 417 #else
Tbroussard 5:209b3eb7c162 418 drawPixel(x+i, y+j, color);
Tbroussard 5:209b3eb7c162 419 #endif
Tbroussard 5:209b3eb7c162 420 }
Tbroussard 5:209b3eb7c162 421 else if (bg != color)
Tbroussard 5:209b3eb7c162 422 {
Tbroussard 5:209b3eb7c162 423 #if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT)
Tbroussard 5:209b3eb7c162 424 if (size == 1) // default size
Tbroussard 5:209b3eb7c162 425 drawPixel(x+i, y+j, bg);
Tbroussard 5:209b3eb7c162 426 else // big size
Tbroussard 5:209b3eb7c162 427 fillRect(x+i*size, y+j*size, size, size, bg);
Tbroussard 5:209b3eb7c162 428 #else
Tbroussard 5:209b3eb7c162 429 drawPixel(x+i, y+j, bg);
Tbroussard 5:209b3eb7c162 430 #endif
Tbroussard 5:209b3eb7c162 431 }
Tbroussard 5:209b3eb7c162 432 line >>= 1;
Tbroussard 5:209b3eb7c162 433 }
Tbroussard 5:209b3eb7c162 434 }
Tbroussard 5:209b3eb7c162 435 }
Tbroussard 5:209b3eb7c162 436
Tbroussard 5:209b3eb7c162 437 void Adafruit_GFX::setRotation(uint8_t x)
Tbroussard 5:209b3eb7c162 438 {
Tbroussard 5:209b3eb7c162 439 x %= 4; // cant be higher than 3
Tbroussard 5:209b3eb7c162 440 rotation = x;
Tbroussard 5:209b3eb7c162 441 switch (x)
Tbroussard 5:209b3eb7c162 442 {
Tbroussard 5:209b3eb7c162 443 case 0:
Tbroussard 5:209b3eb7c162 444 case 2:
Tbroussard 5:209b3eb7c162 445 _width = _rawWidth;
Tbroussard 5:209b3eb7c162 446 _height = _rawHeight;
Tbroussard 5:209b3eb7c162 447 break;
Tbroussard 5:209b3eb7c162 448 case 1:
Tbroussard 5:209b3eb7c162 449 case 3:
Tbroussard 5:209b3eb7c162 450 _width = _rawHeight;
Tbroussard 5:209b3eb7c162 451 _height = _rawWidth;
Tbroussard 5:209b3eb7c162 452 break;
Tbroussard 5:209b3eb7c162 453 }
Tbroussard 5:209b3eb7c162 454 }