91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
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#ifndef _ADAFRUIT_GFX_H
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#define _ADAFRUIT_GFX_H
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#if ARDUINO >= 100
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#include "Arduino.h"
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#include "Print.h"
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#else
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#include "WProgram.h"
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#endif
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#define swap(a, b) { int16_t t = a; a = b; b = t; }
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class Adafruit_GFX : public Print {
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public:
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Adafruit_GFX(int16_t w, int16_t h); // Constructor
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// This MUST be defined by the subclass:
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virtual void drawPixel(int16_t x, int16_t y, uint16_t color) = 0;
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// These MAY be overridden by the subclass to provide device-specific
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// optimized code. Otherwise 'generic' versions are used.
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virtual void
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drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color),
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drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color),
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drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color),
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drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color),
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fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color),
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fillScreen(uint16_t color),
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invertDisplay(boolean i);
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// These exist only with Adafruit_GFX (no subclass overrides)
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void
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drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color),
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drawCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername,
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uint16_t color),
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fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color),
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fillCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername,
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int16_t delta, uint16_t color),
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drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1,
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int16_t x2, int16_t y2, uint16_t color),
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fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1,
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int16_t x2, int16_t y2, uint16_t color),
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drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h,
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int16_t radius, uint16_t color),
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fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h,
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int16_t radius, uint16_t color),
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drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap,
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int16_t w, int16_t h, uint16_t color),
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drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap,
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int16_t w, int16_t h, uint16_t color, uint16_t bg),
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drawXBitmap(int16_t x, int16_t y, const uint8_t *bitmap,
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int16_t w, int16_t h, uint16_t color),
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drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color,
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uint16_t bg, uint8_t size),
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setCursor(int16_t x, int16_t y),
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setTextColor(uint16_t c),
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setTextColor(uint16_t c, uint16_t bg),
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setTextSize(uint8_t s),
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setTextWrap(boolean w),
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setRotation(uint8_t r);
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#if ARDUINO >= 100
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virtual size_t write(uint8_t);
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#else
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virtual void write(uint8_t);
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#endif
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int16_t height(void) const;
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int16_t width(void) const;
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uint8_t getRotation(void) const;
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protected:
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const int16_t
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WIDTH, HEIGHT; // This is the 'raw' display w/h - never changes
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int16_t
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_width, _height, // Display w/h as modified by current rotation
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cursor_x, cursor_y;
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uint16_t
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textcolor, textbgcolor;
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uint8_t
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textsize,
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rotation;
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boolean
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wrap; // If set, 'wrap' text at right edge of display
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};
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#endif // _ADAFRUIT_GFX_H
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