Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Fork of Adafruit_GFX by
Diff: Adafruit_GFX.cpp
- Revision:
- 9:ddb97c9850a2
- Parent:
- 0:c3dcd4c4983a
- Child:
- 14:edb3c36aa1a7
--- a/Adafruit_GFX.cpp Sun Oct 19 04:45:11 2014 +0000 +++ b/Adafruit_GFX.cpp Sun Oct 19 20:55:27 2014 +0000 @@ -14,7 +14,7 @@ ****************************************/ /* - * Modified by Neal Horman 7/14/2012 for use in LPC1768 + * Modified by Neal Horman 7/14/2012 for use in mbed */ #include "mbed.h" @@ -22,7 +22,7 @@ #include "Adafruit_GFX.h" #include "glcdfont.h" -#ifdef WANT_ABSTRACTS +#if defined(GFX_WANT_ABSTRACTS) // draw a circle outline void Adafruit_GFX::drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color) { @@ -146,7 +146,9 @@ } } } +#endif +#if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT) // bresenham's algorithm - thx wikpedia void Adafruit_GFX::drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color) { @@ -192,7 +194,21 @@ } } +void Adafruit_GFX::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color) +{ + // stupidest version - update in subclasses if desired! + drawLine(x, y, x, y+h-1, color); +} +void Adafruit_GFX::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color) +{ + // stupidest version - update in subclasses if desired! + for (int16_t i=x; i<x+w; i++) + drawFastVLine(i, y, h, color); +} +#endif + +#if defined(GFX_WANT_ABSTRACTS) // draw a rectangle void Adafruit_GFX::drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color) { @@ -202,26 +218,12 @@ drawFastVLine(x+w-1, y, h, color); } -void Adafruit_GFX::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color) -{ - // stupidest version - update in subclasses if desired! - drawLine(x, y, x, y+h-1, color); -} - void Adafruit_GFX::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color) { // stupidest version - update in subclasses if desired! drawLine(x, y, x+w-1, y, color); } -void Adafruit_GFX::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color) -{ - // stupidest version - update in subclasses if desired! - for (int16_t i=x; i<x+w; i++) - drawFastVLine(i, y, h, color); -} - - void Adafruit_GFX::fillScreen(uint16_t color) { fillRect(0, 0, _width, _height, color); @@ -407,26 +409,31 @@ { if (line & 0x1) { +#if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT) if (size == 1) // default size drawPixel(x+i, y+j, color); -#ifdef WANT_ABSTRACTS else // big size fillRect(x+(i*size), y+(j*size), size, size, color); +#else + drawPixel(x+i, y+j, color); #endif } else if (bg != color) { +#if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT) if (size == 1) // default size drawPixel(x+i, y+j, bg); -#ifdef WANT_ABSTRACTS else // big size fillRect(x+i*size, y+j*size, size, size, bg); +#else + drawPixel(x+i, y+j, bg); #endif } line >>= 1; } } } + void Adafruit_GFX::setRotation(uint8_t x) { x %= 4; // cant be higher than 3