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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