mirror of
https://github.com/adafruit/Adafruit-GFX-Library.git
synced 2026-10-27 06:21:36 +00:00
Phillip Burgess
ea4c4c5596
‘Wrong’ behavior is default, so old code will continue to work. New code can call cp437() after initializing the display to use correct symbol numbers for upper ASCII characters.
124 lines
3.9 KiB
C++
124 lines
3.9 KiB
C++
#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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cp437(boolean x=true);
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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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// get current cursor position (get rotation safe maximum values, using: width() for x, height() for y)
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int16_t getCursorX(void) const;
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int16_t getCursorY(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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_cp437; // If set, use correct CP437 charset (default is off)
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};
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class Adafruit_GFX_Button {
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public:
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Adafruit_GFX_Button(void);
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void initButton(Adafruit_GFX *gfx, int16_t x, int16_t y,
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uint8_t w, uint8_t h,
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uint16_t outline, uint16_t fill, uint16_t textcolor,
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char *label, uint8_t textsize);
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void drawButton(boolean inverted = false);
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boolean contains(int16_t x, int16_t y);
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void press(boolean p);
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boolean isPressed();
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boolean justPressed();
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boolean justReleased();
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private:
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Adafruit_GFX *_gfx;
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int16_t _x, _y;
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uint16_t _w, _h;
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uint8_t _textsize;
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uint16_t _outlinecolor, _fillcolor, _textcolor;
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char _label[10];
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boolean currstate, laststate;
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};
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#endif // _ADAFRUIT_GFX_H
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