first commit
This commit is contained in:
Jérôme Delacotte
353
libraries/arduino_492014/Adafruit_GFX.h
Executable file
353
libraries/arduino_492014/Adafruit_GFX.h
Executable file
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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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#include "gfxfont.h"
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/// A generic graphics superclass that can handle all sorts of drawing. At a minimum you can subclass and provide drawPixel(). At a maximum you can do a ton of overriding to optimize. Used for any/all Adafruit displays!
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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; ///< Virtual drawPixel() function to draw to the screen/framebuffer/etc, must be overridden in subclass. @param x X coordinate. @param y Y coordinate. @param color 16-bit pixel color.
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// TRANSACTION API / CORE DRAW API
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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 startWrite(void);
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virtual void writePixel(int16_t x, int16_t y, uint16_t color);
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virtual void writeFillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
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virtual void writeFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
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virtual void writeFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
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virtual void writeLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color);
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virtual void endWrite(void);
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// CONTROL API
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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 setRotation(uint8_t r);
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virtual void invertDisplay(boolean i);
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// BASIC DRAW API
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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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// It's good to implement those, even if using transaction API
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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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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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// Optional and probably not necessary to change
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drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, 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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// 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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drawBitmap(int16_t x, int16_t y, 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, 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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drawGrayscaleBitmap(int16_t x, int16_t y, const uint8_t bitmap[],
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int16_t w, int16_t h),
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drawGrayscaleBitmap(int16_t x, int16_t y, uint8_t *bitmap,
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int16_t w, int16_t h),
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drawGrayscaleBitmap(int16_t x, int16_t y,
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const uint8_t bitmap[], const uint8_t mask[],
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int16_t w, int16_t h),
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drawGrayscaleBitmap(int16_t x, int16_t y,
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uint8_t *bitmap, uint8_t *mask, int16_t w, int16_t h),
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drawRGBBitmap(int16_t x, int16_t y, const uint16_t bitmap[],
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int16_t w, int16_t h),
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drawRGBBitmap(int16_t x, int16_t y, uint16_t *bitmap,
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int16_t w, int16_t h),
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drawRGBBitmap(int16_t x, int16_t y,
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const uint16_t bitmap[], const uint8_t mask[],
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int16_t w, int16_t h),
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drawRGBBitmap(int16_t x, int16_t y,
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uint16_t *bitmap, uint8_t *mask, int16_t w, int16_t h),
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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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drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color,
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uint16_t bg, uint8_t size_x, uint8_t size_y),
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getTextBounds(const char *string, int16_t x, int16_t y,
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int16_t *x1, int16_t *y1, uint16_t *w, uint16_t *h),
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getTextBounds(const __FlashStringHelper *s, int16_t x, int16_t y,
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int16_t *x1, int16_t *y1, uint16_t *w, uint16_t *h),
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getTextBounds(const String &str, int16_t x, int16_t y,
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int16_t *x1, int16_t *y1, uint16_t *w, uint16_t *h),
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setTextSize(uint8_t s),
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setTextSize(uint8_t sx, uint8_t sy),
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setFont(const GFXfont *f = NULL);
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/**********************************************************************/
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/*!
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@brief Set text cursor location
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@param x X coordinate in pixels
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@param y Y coordinate in pixels
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*/
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/**********************************************************************/
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void setCursor(int16_t x, int16_t y) { cursor_x = x; cursor_y = y; }
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/**********************************************************************/
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/*!
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@brief Set text font color with transparant background
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@param c 16-bit 5-6-5 Color to draw text with
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@note For 'transparent' background, background and foreground
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are set to same color rather than using a separate flag.
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*/
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/**********************************************************************/
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void setTextColor(uint16_t c) { textcolor = textbgcolor = c; }
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/**********************************************************************/
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/*!
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@brief Set text font color with custom background color
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@param c 16-bit 5-6-5 Color to draw text with
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@param bg 16-bit 5-6-5 Color to draw background/fill with
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*/
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/**********************************************************************/
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void setTextColor(uint16_t c, uint16_t bg) {
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textcolor = c;
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textbgcolor = bg;
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}
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/**********************************************************************/
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/*!
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@brief Set whether text that is too long for the screen width should
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automatically wrap around to the next line (else clip right).
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@param w true for wrapping, false for clipping
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*/
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/**********************************************************************/
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void setTextWrap(boolean w) { wrap = w; }
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/**********************************************************************/
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/*!
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@brief Enable (or disable) Code Page 437-compatible charset.
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There was an error in glcdfont.c for the longest time -- one
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character (#176, the 'light shade' block) was missing -- this
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threw off the index of every character that followed it.
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But a TON of code has been written with the erroneous
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character indices. By default, the library uses the original
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'wrong' behavior and old sketches will still work. Pass
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'true' to this function to use correct CP437 character values
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in your code.
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@param x true = enable (new behavior), false = disable (old behavior)
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*/
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/**********************************************************************/
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void cp437(boolean x=true) { _cp437 = x; }
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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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/************************************************************************/
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/*!
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@brief Get width of the display, accounting for current rotation
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@returns Width in pixels
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*/
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/************************************************************************/
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int16_t width(void) const { return _width; };
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/************************************************************************/
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/*!
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@brief Get height of the display, accounting for current rotation
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@returns Height in pixels
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*/
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/************************************************************************/
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int16_t height(void) const { return _height; }
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/************************************************************************/
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/*!
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@brief Get rotation setting for display
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@returns 0 thru 3 corresponding to 4 cardinal rotations
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*/
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/************************************************************************/
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uint8_t getRotation(void) const { return rotation; }
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// get current cursor position (get rotation safe maximum values,
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// using: width() for x, height() for y)
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/************************************************************************/
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/*!
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@brief Get text cursor X location
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@returns X coordinate in pixels
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*/
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/************************************************************************/
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int16_t getCursorX(void) const { return cursor_x; }
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/************************************************************************/
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/*!
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@brief Get text cursor Y location
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@returns Y coordinate in pixels
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*/
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/************************************************************************/
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int16_t getCursorY(void) const { return cursor_y; };
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protected:
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void
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charBounds(char c, int16_t *x, int16_t *y,
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int16_t *minx, int16_t *miny, int16_t *maxx, int16_t *maxy);
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int16_t
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WIDTH, ///< This is the 'raw' display width - never changes
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HEIGHT; ///< This is the 'raw' display height - never changes
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int16_t
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_width, ///< Display width as modified by current rotation
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_height, ///< Display height as modified by current rotation
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cursor_x, ///< x location to start print()ing text
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cursor_y; ///< y location to start print()ing text
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uint16_t
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textcolor, ///< 16-bit background color for print()
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textbgcolor; ///< 16-bit text color for print()
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uint8_t
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textsize_x, ///< Desired magnification in X-axis of text to print()
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textsize_y, ///< Desired magnification in Y-axis of text to print()
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rotation; ///< Display rotation (0 thru 3)
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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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GFXfont
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*gfxFont; ///< Pointer to special font
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};
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/// A simple drawn button UI element
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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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// "Classic" initButton() uses center & size
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void initButton(Adafruit_GFX *gfx, int16_t x, int16_t y,
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uint16_t w, uint16_t h, uint16_t outline, uint16_t fill,
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uint16_t textcolor, char *label, uint8_t textsize);
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void initButton(Adafruit_GFX *gfx, int16_t x, int16_t y,
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uint16_t w, uint16_t h, uint16_t outline, uint16_t fill,
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uint16_t textcolor, char *label, uint8_t textsize_x, uint8_t textsize_y);
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// New/alt initButton() uses upper-left corner & size
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void initButtonUL(Adafruit_GFX *gfx, int16_t x1, int16_t y1,
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uint16_t w, uint16_t h, uint16_t outline, uint16_t fill,
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uint16_t textcolor, char *label, uint8_t textsize);
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void initButtonUL(Adafruit_GFX *gfx, int16_t x1, int16_t y1,
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uint16_t w, uint16_t h, uint16_t outline, uint16_t fill,
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uint16_t textcolor, char *label, uint8_t textsize_x, uint8_t textsize_y);
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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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/**********************************************************************/
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/*!
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@brief Sets button state, should be done by some touch function
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@param p True for pressed, false for not.
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*/
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/**********************************************************************/
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void press(boolean p) { laststate = currstate; currstate = p; }
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boolean justPressed();
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boolean justReleased();
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/**********************************************************************/
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/*!
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@brief Query whether the button is currently pressed
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@returns True if pressed
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*/
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/**********************************************************************/
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boolean isPressed(void) { return currstate; };
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private:
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Adafruit_GFX *_gfx;
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int16_t _x1, _y1; // Coordinates of top-left corner
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uint16_t _w, _h;
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uint8_t _textsize_x;
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uint8_t _textsize_y;
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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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/// A GFX 1-bit canvas context for graphics
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class GFXcanvas1 : public Adafruit_GFX {
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public:
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GFXcanvas1(uint16_t w, uint16_t h);
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~GFXcanvas1(void);
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void drawPixel(int16_t x, int16_t y, uint16_t color),
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fillScreen(uint16_t color);
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/**********************************************************************/
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/*!
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@brief Get a pointer to the internal buffer memory
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@returns A pointer to the allocated buffer
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*/
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/**********************************************************************/
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uint8_t *getBuffer(void) const { return buffer; }
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private:
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uint8_t *buffer;
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};
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/// A GFX 8-bit canvas context for graphics
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class GFXcanvas8 : public Adafruit_GFX {
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public:
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GFXcanvas8(uint16_t w, uint16_t h);
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~GFXcanvas8(void);
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void drawPixel(int16_t x, int16_t y, uint16_t color),
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fillScreen(uint16_t color),
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writeFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
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/**********************************************************************/
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/*!
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@brief Get a pointer to the internal buffer memory
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@returns A pointer to the allocated buffer
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*/
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/**********************************************************************/
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uint8_t *getBuffer(void) const { return buffer; }
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private:
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uint8_t *buffer;
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};
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/// A GFX 16-bit canvas context for graphics
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class GFXcanvas16 : public Adafruit_GFX {
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public:
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GFXcanvas16(uint16_t w, uint16_t h);
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~GFXcanvas16(void);
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void drawPixel(int16_t x, int16_t y, uint16_t color),
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fillScreen(uint16_t color),
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byteSwap(void);
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/**********************************************************************/
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/*!
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@brief Get a pointer to the internal buffer memory
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@returns A pointer to the allocated buffer
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*/
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/**********************************************************************/
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uint16_t *getBuffer(void) const { return buffer; }
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private:
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uint16_t *buffer;
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};
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#endif // _ADAFRUIT_GFX_H
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