Diff: Adafruit_GFX.h

Revision:

0:08cfbae05724

Child:

1:e67555532f16

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_GFX.h	Tue Mar 26 23:08:53 2013 +0000
@@ -0,0 +1,88 @@
+/******************************************************************
+ This is the core graphics library for all our displays, providing
+ basic graphics primitives (points, lines, circles, etc.). It needs
+ to be paired with a hardware-specific library for each display
+ device we carry (handling the lower-level functions).
+
+ Adafruit invests time and resources providing this open
+ source code, please support Adafruit and open-source hardware
+ by purchasing products from Adafruit!
+
+ Written by Limor Fried/Ladyada for Adafruit Industries.
+ BSD license, check license.txt for more information.
+ All text above must be included in any redistribution.
+ ******************************************************************/
+
+#ifndef _ADAFRUIT_GFX_H
+#define _ADAFRUIT_GFX_H
+
+#include "mbed.h"
+#include "Stream.h"
+
+
+#define swap(a, b) { int16_t t = a; a = b; b = t; }
+#define boolean bool
+
+class Adafruit_GFX
+ : public Stream
+// : public Print
+{
+public:
+
+    //Adafruit_GFX();
+    // i have no idea why we have to formally call the constructor. kinda sux
+    void constructor(int16_t w, int16_t h);
+
+    virtual void drawPixel(int16_t x, int16_t y, uint16_t color) = 0;
+    virtual void invertDisplay(boolean i);
+
+    // these are 'generic' drawing functions, so we can share them!
+    void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1,uint16_t color);
+    virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
+    virtual void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
+    virtual void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
+    virtual void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
+    virtual void fillScreen(uint16_t color);
+
+    void drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color);
+    void drawCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, uint16_t color);
+    void fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color);
+    void fillCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, int16_t delta, uint16_t color);
+
+    void drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1,int16_t x2, int16_t y2, uint16_t color);
+    void fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color);
+    void drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color);
+    void fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color);
+
+    void drawBitmap(int16_t x, int16_t y,
+                    const uint8_t *bitmap, int16_t w, int16_t h,
+                    uint16_t color);
+    void drawChar(int16_t x, int16_t y, unsigned char c,
+                  uint16_t color, uint16_t bg, uint8_t size);
+
+    void setCursor(int16_t x, int16_t y);
+    void setTextColor(uint16_t c);
+    void setTextColor(uint16_t c, uint16_t bg);
+    void setTextSize(uint8_t s);
+    void setTextWrap(boolean w);
+
+    int16_t height(void);
+    int16_t width(void);
+
+    void setRotation(uint8_t r);
+    uint8_t getRotation(void);
+
+protected:
+    virtual int _putc(int value);
+    virtual int _getc();
+    
+    int16_t  WIDTH, HEIGHT;   // this is the 'raw' display w/h - never changes
+    int16_t  _width, _height; // dependent on rotation
+    int16_t  cursor_x, cursor_y;
+    uint16_t textcolor, textbgcolor;
+    uint8_t  textsize;
+    uint8_t  rotation;
+    boolean  wrap; // If set, 'wrap' text at right edge of display
+};
+
+#endif