Diff: Adafruit_GFX.h

Revision:

0:0fdadbc3d852

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_GFX.h	Thu Sep 26 06:37:02 2013 +0000
@@ -0,0 +1,79 @@
+#ifndef _ADAFRUIT_GFX_H
+
+
+#define swap(a, b) { int16_t t = a; a = b; b = t; }
+
+class Adafruit_GFX {
+
+ public:
+
+  Adafruit_GFX(int16_t w, int16_t h); // Constructor
+
+  // This MUST be defined by the subclass:
+  virtual void drawPixel(int16_t x, int16_t y, uint16_t color) = 0;
+
+  // These MAY be overridden by the subclass to provide device-specific
+  // optimized code.  Otherwise 'generic' versions are used.
+  virtual void
+    drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color),
+    drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color),
+    drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color),
+    drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color),
+    fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color),
+    fillScreen(uint16_t color),
+    invertDisplay(bool i);
+
+  // These exist only with Adafruit_GFX (no subclass overrides)
+  void
+    drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color),
+    drawCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername,
+      uint16_t color),
+    fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color),
+    fillCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername,
+      int16_t delta, uint16_t color),
+    drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1,
+      int16_t x2, int16_t y2, uint16_t color),
+    fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1,
+      int16_t x2, int16_t y2, uint16_t color),
+    drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h,
+      int16_t radius, uint16_t color),
+    fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h,
+      int16_t radius, uint16_t color),
+    drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap,
+      int16_t w, int16_t h, uint16_t color),
+    drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color,
+      uint16_t bg, uint8_t size),
+    setCursor(int16_t x, int16_t y),
+    setTextColor(uint16_t c),
+    setTextColor(uint16_t c, uint16_t bg),
+    setTextSize(uint8_t s),
+    setTextWrap(bool w),
+    setRotation(uint8_t r);
+
+
+  virtual size_t write(uint8_t);
+
+  int16_t
+    height(void),
+    width(void);
+
+  uint8_t getRotation(void);
+
+ protected:
+  const int16_t
+    WIDTH, HEIGHT;   // This is the 'raw' display w/h - never changes
+  int16_t
+    _width, _height, // Display w/h as modified by current rotation
+    cursor_x, cursor_y;
+  uint16_t
+    textcolor, textbgcolor;
+  uint8_t
+    textsize,
+    rotation;
+  bool
+    wrap; // If set, 'wrap' text at right edge of display
+};
+
+#endif // _ADAFRUIT_GFX_H
+
+