ILI9486_t3n.h

// This library is for Waveshare 4inch RPi LCD (C) with ILI9486 and Teensy 4.x usage only
// Forked from:
// https://github.com/kurte/ILI9341_t3n

#ifndef _ILI9486_t3NH_
#define _ILI9486_t3NH_
#ifdef _SPIN_H_INCLUDED
#warning "Spin library is no longer required"
#endif
#define _SPIN_H_INCLUDED	// try to avoid spin library from loading. 

#define  ILI9486_USE_DMAMEM

// Allow us to enable or disable capabilities, particully Frame Buffer and Clipping for speed and size
#ifndef DISABLE_ILI9486_FRAMEBUFFER
#if defined(__MK66FX1M0__)	// T3.6
#define ENABLE_ILI9486_FRAMEBUFFER
#define SCREEN_DMA_NUM_SETTINGS 3 // see if making it a constant value makes difference...
#elif defined(__MK64FX512__) // T3.5 
#define ENABLE_ILI9486_FRAMEBUFFER
#define SCREEN_DMA_NUM_SETTINGS 4 // see if making it a constant value makes difference...
#elif defined(__IMXRT1052__) || defined(__IMXRT1062__)
#define ENABLE_ILI9486_FRAMEBUFFER
#define SCREEN_DMA_NUM_SETTINGS 3 // see if making it a constant value makes difference...
#endif
#endif

// Allow way to override using SPI

#ifdef __cplusplus
#include "Arduino.h"
#include <SPI.h>
#include <DMAChannel.h>

#endif
#include <stdint.h>

#include "ILI9486_fonts.h"

#define ILI9486_TFTWIDTH  320
#define ILI9486_TFTHEIGHT 480

#define ILI9486_NOP     0x00
#define ILI9486_SWRESET 0x01
#define ILI9486_RDDID   0x04
#define ILI9486_RDDST   0x09

#define ILI9486_SLPIN   0x10
#define ILI9486_SLPOUT  0x11
#define ILI9486_PTLON   0x12
#define ILI9486_NORON   0x13

#define ILI9486_RDMODE  0x0A
#define ILI9486_RDMADCTL  0x0B
#define ILI9486_RDPIXFMT  0x0C
#define ILI9486_RDIMGFMT  0x0D
#define ILI9486_RDSELFDIAG  0x0F

#define ILI9486_INVOFF  0x20
#define ILI9486_INVON   0x21
#define ILI9486_GAMMASET 0x26
#define ILI9486_DISPOFF 0x28
#define ILI9486_DISPON  0x29

#define ILI9486_CASET   0x2A
#define ILI9486_PASET   0x2B
#define ILI9486_RAMWR   0x2C
#define ILI9486_RAMRD   0x2E

#define ILI9486_PTLAR    0x30
#define ILI9486_MADCTL   0x36
#define ILI9486_VSCRSADD 0x37
#define ILI9486_PIXFMT   0x3A

#define ILI9486_FRMCTR1 0xB1
#define ILI9486_FRMCTR2 0xB2
#define ILI9486_FRMCTR3 0xB3
#define ILI9486_INVCTR  0xB4
#define ILI9486_DFUNCTR 0xB6

#define ILI9486_PWCTR1  0xC0
#define ILI9486_PWCTR2  0xC1
#define ILI9486_PWCTR3  0xC2
#define ILI9486_PWCTR4  0xC3
#define ILI9486_PWCTR5  0xC4
#define ILI9486_VMCTR1  0xC5
#define ILI9486_VMCTR2  0xC7

#define ILI9486_RDID1   0xDA
#define ILI9486_RDID2   0xDB
#define ILI9486_RDID3   0xDC
#define ILI9486_RDID4   0xDD

#define ILI9486_GMCTRP1 0xE0
#define ILI9486_GMCTRN1 0xE1
/*
#define ILI9486_PWCTR6  0xFC

*/

// Color definitions
#define ILI9486_BLACK       0x0000      /*   0,   0,   0 */
#define ILI9486_NAVY        0x000F      /*   0,   0, 128 */
#define ILI9486_DARKGREEN   0x03E0      /*   0, 128,   0 */
#define ILI9486_DARKCYAN    0x03EF      /*   0, 128, 128 */
#define ILI9486_MAROON      0x7800      /* 128,   0,   0 */
#define ILI9486_PURPLE      0x780F      /* 128,   0, 128 */
#define ILI9486_OLIVE       0x7BE0      /* 128, 128,   0 */
#define ILI9486_LIGHTGREY   0xC618      /* 192, 192, 192 */
#define ILI9486_DARKGREY    0x7BEF      /* 128, 128, 128 */
#define ILI9486_BLUE        0x001F      /*   0,   0, 255 */
#define ILI9486_GREEN       0x07E0      /*   0, 255,   0 */
#define ILI9486_CYAN        0x07FF      /*   0, 255, 255 */
#define ILI9486_RED         0xF800      /* 255,   0,   0 */
#define ILI9486_MAGENTA     0xF81F      /* 255,   0, 255 */
#define ILI9486_YELLOW      0xFFE0      /* 255, 255,   0 */
#define ILI9486_WHITE       0xFFFF      /* 255, 255, 255 */
#define ILI9486_ORANGE      0xFD20      /* 255, 165,   0 */
#define ILI9486_GREENYELLOW 0xAFE5      /* 173, 255,  47 */
#define ILI9486_PINK        0xF81F
#define ILI9486_GREY 		0x2104 // Dark grey 16 bit colour

#define CL(_r,_g,_b) ((((_r)&0xF8)<<8)|(((_g)&0xFC)<<3)|((_b)>>3))
#ifndef ILI9486_swap
#define ILI9486_swap(a, b) { typeof(a) t = a; a = b; b = t; }
#endif

#define sint16_t int16_t

// Lets see about supporting Adafruit fonts as well?
#ifndef _GFXFONT_H_
#define _GFXFONT_H_

/// Font data stored PER GLYPH
typedef struct {
	uint16_t bitmapOffset;     ///< Pointer into GFXfont->bitmap
	uint8_t  width;            ///< Bitmap dimensions in pixels
    uint8_t  height;           ///< Bitmap dimensions in pixels
	uint8_t  xAdvance;         ///< Distance to advance cursor (x axis)
	int8_t   xOffset;          ///< X dist from cursor pos to UL corner
    int8_t   yOffset;          ///< Y dist from cursor pos to UL corner
} GFXglyph;

/// Data stored for FONT AS A WHOLE
typedef struct { 
	uint8_t  *bitmap;      ///< Glyph bitmaps, concatenated
	GFXglyph *glyph;       ///< Glyph array
	uint8_t   first;       ///< ASCII extents (first char)
    uint8_t   last;        ///< ASCII extents (last char)
	uint8_t   yAdvance;    ///< Newline distance (y axis)
} GFXfont;

#endif // _GFXFONT_H_

//These enumerate the text plotting alignment (reference datum point)
#define TL_DATUM 0 // Top left (default)
#define TC_DATUM 1 // Top centre
#define TR_DATUM 2 // Top right
#define ML_DATUM 3 // Middle left
#define CL_DATUM 3 // Centre left, same as above
#define MC_DATUM 4 // Middle centre
#define CC_DATUM 4 // Centre centre, same as above
#define MR_DATUM 5 // Middle right
#define CR_DATUM 5 // Centre right, same as above
#define BL_DATUM 6 // Bottom left
#define BC_DATUM 7 // Bottom centre
#define BR_DATUM 8 // Bottom right
//#define L_BASELINE  9 // Left character baseline (Line the 'A' character would sit on)
//#define C_BASELINE 10 // Centre character baseline
//#define R_BASELINE 11 // Right character baseline


#ifdef __cplusplus
// At all other speeds, _pspi->beginTransaction() will use the fastest available clock

#define ILI9486_SPICLOCK 80e6 //valid speeds are (120mhz, 80mhz, 60mhz, 48, 40, 34.29, 30mhz, 26.67, 24mhz
#define ILI9486_SPICLOCK_READ 2000000



class ILI9486_t3n : public Print
{
  public:
	ILI9486_t3n(uint8_t _CS, uint8_t _DC, uint8_t _RST = 255, 
		uint8_t _MOSI=11, uint8_t _SCLK=13, uint8_t _MISO=12);
	void begin(uint32_t spi_clock=ILI9486_SPICLOCK, uint32_t spi_clock_read=ILI9486_SPICLOCK_READ);
  	void sleep(bool enable);		
	void pushColor(uint16_t color);
	void fillScreen(uint16_t color);
	inline void fillWindow(uint16_t color) {fillScreen(color);}
	void drawPixel(int16_t x, int16_t y, uint16_t color);
	void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
	void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
	void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
			
	void fillRectHGradient(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color1, uint16_t color2);
	void fillRectVGradient(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color1, uint16_t color2);
	void fillScreenVGradient(uint16_t color1, uint16_t color2);
	void fillScreenHGradient(uint16_t color1, uint16_t color2);

	void setRotation(uint8_t r);
	void setScroll(uint16_t offset);
	void invertDisplay(boolean i);
	void setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1);
	// Pass 8-bit (each) R,G,B, get back 16-bit packed color
	static uint16_t color565(uint8_t r, uint8_t g, uint8_t b) {
		return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3);
	}

	//color565toRGB		- converts 565 format 16 bit color to RGB
	static void color565toRGB(uint16_t color, uint8_t &r, uint8_t &g, uint8_t &b) {
		r = (color>>8)&0x00F8;
		g = (color>>3)&0x00FC;
		b = (color<<3)&0x00F8;
	}
	
	//color565toRGB14		- converts 16 bit 565 format color to 14 bit RGB (2 bits clear for math and sign)
	//returns 00rrrrr000000000,00gggggg00000000,00bbbbb000000000
	//thus not overloading sign, and allowing up to double for additions for fixed point delta
	static void color565toRGB14(uint16_t color, int16_t &r, int16_t &g, int16_t &b) {
		r = (color>>2)&0x3E00;
		g = (color<<3)&0x3F00;
		b = (color<<9)&0x3E00;
	}
	
	//RGB14tocolor565		- converts 14 bit RGB back to 16 bit 565 format color
	static uint16_t RGB14tocolor565(int16_t r, int16_t g, int16_t b)
	{
		return (((r & 0x3E00) << 2) | ((g & 0x3F00) >>3) | ((b & 0x3E00) >> 9));
	}
	
	//uint8_t readdata(void);
	uint8_t readcommand8(uint8_t reg, uint8_t index = 0);

	// Added functions to read pixel data...
	uint16_t readPixel(int16_t x, int16_t y);
	void readRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t *pcolors);
	void writeRect(int16_t x, int16_t y, int16_t w, int16_t h, const uint16_t *pcolors);

	// writeRect8BPP - 	write 8 bit per pixel paletted bitmap
	//					bitmap data in array at pixels, one byte per pixel
	//					color palette data in array at palette
	void writeRect8BPP(int16_t x, int16_t y, int16_t w, int16_t h, const uint8_t *pixels, const uint16_t * palette );

	// writeRect4BPP - 	write 4 bit per pixel paletted bitmap
	//					bitmap data in array at pixels, 4 bits per pixel
	//					color palette data in array at palette
	//					width must be at least 2 pixels
	void writeRect4BPP(int16_t x, int16_t y, int16_t w, int16_t h, const uint8_t *pixels, const uint16_t * palette );
	
	// writeRect2BPP - 	write 2 bit per pixel paletted bitmap
	//					bitmap data in array at pixels, 4 bits per pixel
	//					color palette data in array at palette
	//					width must be at least 4 pixels
	void writeRect2BPP(int16_t x, int16_t y, int16_t w, int16_t h, const uint8_t *pixels, const uint16_t * palette );
	
	// writeRect1BPP - 	write 1 bit per pixel paletted bitmap
	//					bitmap data in array at pixels, 4 bits per pixel
	//					color palette data in array at palette
	//					width must be at least 8 pixels
	void writeRect1BPP(int16_t x, int16_t y, int16_t w, int16_t h, const uint8_t *pixels, const uint16_t * palette );

	// writeRectNBPP - 	write N(1, 2, 4, 8) bit per pixel paletted bitmap
	//					bitmap data in array at pixels
	//  Currently writeRect1BPP, writeRect2BPP, writeRect4BPP use this to do all of the work. 
	// 
	void writeRectNBPP(int16_t x, int16_t y, int16_t w, int16_t h,  uint8_t bits_per_pixel, 
		const uint8_t *pixels, const uint16_t * palette );

	// from Adafruit_GFX.h
	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);
	//Balzers code
	void drawTransparentBgPicRotated(int x, int y, int w, int h, const uint16_t* pic, const uint16_t backColor, int centerX, int centerY, int rotAngle);
	void drawValRing(int x, int y, int w, int h, const uint16_t* pic, int Angle);
	void drawPicBrightness(int x, int y, int w, int h, const uint16_t* pic, int brightness);
	void fadeInScreen(int factor);
	
	void drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size_x, uint8_t size_y);
	void inline drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size) 
	    { drawChar(x, y, c, color, bg, size);}
	static const int16_t CENTER = 9998;
	void setCursor(int16_t x, int16_t y, bool autoCenter=false);
    void getCursor(int16_t *x, int16_t *y);
	void setTextColor(uint16_t c);
	void setTextColor(uint16_t c, uint16_t bg);
    void setTextSize(uint8_t sx, uint8_t sy);
	void inline setTextSize(uint8_t s) { setTextSize(s,s); }
	uint8_t getTextSizeX();
	uint8_t getTextSizeY();
	uint8_t getTextSize();
	void setTextWrap(boolean w);
	boolean getTextWrap();

	// setOrigin sets an offset in display pixels where drawing to (0,0) will appear
	// for example: setOrigin(10,10); drawPixel(5,5); will cause a pixel to be drawn at hardware pixel (15,15)
	void setOrigin(int16_t x = 0, int16_t y = 0) { 
		_originx = x; _originy = y; 
		//if (Serial) Serial.printf("Set Origin %d %d\n", x, y);
		updateDisplayClip();
	}
	void getOrigin(int16_t* x, int16_t* y) { *x = _originx; *y = _originy; }

	// setClipRect() sets a clipping rectangle (relative to any set origin) for drawing to be limited to.
	// Drawing is also restricted to the bounds of the display

	void setClipRect(int16_t x1, int16_t y1, int16_t w, int16_t h) 
		{ _clipx1 = x1; _clipy1 = y1; _clipx2 = x1+w; _clipy2 = y1+h; 
			//if (Serial) Serial.printf("Set clip Rect %d %d %d %d\n", x1, y1, w, h);
			updateDisplayClip();
		}
	void setClipRect() {
			 _clipx1 = 0; _clipy1 = 0; _clipx2 = _width; _clipy2 = _height; 
			//if (Serial) Serial.printf("clear clip Rect\n");
			 updateDisplayClip(); 
		}

	// overwrite print functions:
	virtual size_t write(uint8_t);
	virtual size_t write(const uint8_t *buffer, size_t size);

	int16_t width(void)  { return _width; }
	int16_t height(void) { return _height; }
	uint8_t getRotation(void);
	void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color);
	void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
	int16_t getCursorX(void) const { return cursor_x; }
	int16_t getCursorY(void) const { return cursor_y; }
	void setFont(const ILI9486_t3_font_t &f);
    void setFont(const GFXfont *f = NULL);
	void setFontAdafruit(void) { setFont(); }
	void drawFontChar(unsigned int c);
	void drawGFXFontChar(unsigned int c);

    void getTextBounds(const uint8_t *buffer, uint16_t len, int16_t x, int16_t y,
      int16_t *x1, int16_t *y1, uint16_t *w, uint16_t *h);
    void getTextBounds(const char *string, int16_t x, int16_t y,
      int16_t *x1, int16_t *y1, uint16_t *w, uint16_t *h);
    void getTextBounds(const String &str, int16_t x, int16_t y,
      int16_t *x1, int16_t *y1, uint16_t *w, uint16_t *h);
	int16_t strPixelLen(const char * str);
	
	// added support for drawing strings/numbers/floats with centering
	// modified from tft_ili9486_ESP github library
	// Handle numbers
	int16_t  drawNumber(long long_num,int poX, int poY);
	int16_t  drawFloat(float floatNumber,int decimal,int poX, int poY);   
	// Handle char arrays
	int16_t drawString(const String& string, int poX, int poY);
	int16_t drawString1(char string[], int16_t len, int poX, int poY);

	void setTextDatum(uint8_t datum);
	
	// added support for scrolling text area
	// https://github.com/vitormhenrique/ILI9486_t3
	// Discussion regarding this optimized version:
    //http://forum.pjrc.com/threads/26305-Highly-optimized-ILI9486-%28320x240-TFT-color-display%29-library
	//	
	void setScrollTextArea(int16_t x, int16_t y, int16_t w, int16_t h);
	void setScrollBackgroundColor(uint16_t color);
	void enableScroll(void);
	void disableScroll(void);
	void scrollTextArea(uint8_t scrollSize);
	void resetScrollBackgroundColor(uint16_t color);

	// added support to use optional Frame buffer
	enum {ILI9486_DMA_INIT=0x01, ILI9486_DMA_CONT=0x02, ILI9486_DMA_FINISH=0x04,ILI9486_DMA_ACTIVE=0x80};
	void	setFrameBuffer(uint16_t *frame_buffer);
	uint8_t useFrameBuffer(boolean b);		// use the frame buffer?  First call will allocate
	void	freeFrameBuffer(void);			// explicit call to release the buffer
	void	updateScreen(void);				// call to say update the screen now. 
	bool	updateScreenAsync(bool update_cont = false);	// call to say update the screen optinoally turn into continuous mode. 
	void	waitUpdateAsyncComplete(void);
	void	endUpdateAsync();			 // Turn of the continueous mode fla
	void	dumpDMASettings();
	#ifdef ENABLE_ILI9486_FRAMEBUFFER
	uint16_t *getFrameBuffer() {return _pfbtft;}
	uint32_t frameCount() {return _dma_frame_count; }
	uint16_t subFrameCount() {return _dma_sub_frame_count; }
	boolean	asyncUpdateActive(void)  {return (_dma_state & ILI9486_DMA_ACTIVE);}
	void	initDMASettings(void);
	void	setFrameCompleteCB(void (*pcb)(), bool fCallAlsoHalfDone=false);
	#else
	uint32_t frameCount() {return 0; }
	uint16_t subFrameCount() {return 0; }
	uint16_t *getFrameBuffer() {return NULL;}
	boolean	asyncUpdateActive(void)  {return false;}
	#endif
 protected:
	SPIClass *_pspi = nullptr;
	SPIClass::SPI_Hardware_t *_spi_hardware;
	
	
	bool pieMask[18326]; //18326 = result of image width * height
	void drawMaskLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1) {
		int x;
		int y;
		int w = abs(x1 - x0);
		w++;
		int h = abs(y1 - y0);
		h++;

		if (w > h) {
			//x is longer
			for (int i = 0; i < w; i++) {
				if (x1 - x0 < 0) x = x0 + (-1 * i);
				else 
					x = x0 + i;

				if (y1 - y0 < 0) y = y0 + (-1 * i * (float)h / (float)w);
				else y = y0 + (i * (float)h / (float)w);

				int index = y*154+x; //154 = image width
				pieMask[index] = 1;
				index = y*154+x+1; //154 = image width
				pieMask[index] = 1;
			}
		} else {
			//y is longer
			for (int i = 0; i < h; i++) {
				if (x1 - x0 < 0) x = x0 + (-1 * i * (float)w / (float)h);
				else x = x0 + (i * (float)w / (float)h);
			  
				if (y1 - y0 < 0) y = y0 + (-1 * i);
				else y = y0 + i;
			  
				int index = y*154+x;
				pieMask[index] = 1;
				index = y*154+x+1;
				pieMask[index] = 1;
			}
		}
	}

	void fillPie(int x, int y, int r, int startAngle, int endAngle){
		memset(pieMask,0,18326); //set global bool array pieMask to zero
		
		startAngle -= 180;
		endAngle   -= 180;
		if (startAngle>endAngle) startAngle -= 360;
		float steps=0.2;
		int x1,y1,x2,y2;
		
		x1=x + cos(((float)startAngle*PI)/180.0f) * (float)r;
		y1=y + sin(((float)startAngle*PI)/180.0f) * (float)r;
		
		for (float i=0+steps;i<endAngle-startAngle-steps;i+=steps)
		{
			x2=x + cos((((float)startAngle+i)*PI)/180.0f) * (float)r;
			y2=y + sin((((float)startAngle+i)*PI)/180.0f) * (float)r;
			
			if ((x1!=x2) or (y1!=y2)){
				drawMaskLine(x,y,x2,y2);
			}
			x1=x2;
			y1=y2;
		}
	}
	
	bool checkPieBounds(int x, int y){
		int index = y*154+x; //154 = image width
		return pieMask[index];
	}
	
  	uint8_t   	_spi_num;         	// Which buss is this spi on? 
	uint32_t 	_SPI_CLOCK;			// #define ILI9486_SPICLOCK 30000000
	uint32_t	_SPI_CLOCK_READ; 	//#define ILI9486_SPICLOCK_READ 2000000

#if defined(KINETISK)
 	KINETISK_SPI_t *_pkinetisk_spi;
#elif defined(__IMXRT1052__) || defined(__IMXRT1062__)  // Teensy 4.x
 	IMXRT_LPSPI_t *_pimxrt_spi;

#elif defined(KINETISL)
 	KINETISL_SPI_t *_pkinetisl_spi;
#endif

	int16_t _width, _height; // Display w/h as modified by current rotation
	int16_t  cursor_x, cursor_y;
	bool 	_center_x_text = false; 
	bool 	_center_y_text = false; 
	int16_t  _clipx1, _clipy1, _clipx2, _clipy2;
	int16_t  _originx, _originy;
	int16_t  _displayclipx1, _displayclipy1, _displayclipx2, _displayclipy2;
	bool _invisible = false; 
	bool _standard = true; // no bounding rectangle or origin set. 

	inline void updateDisplayClip() {
		_displayclipx1 = max(0,min(_clipx1+_originx,width()));
		_displayclipx2 = max(0,min(_clipx2+_originx,width()));

		_displayclipy1 = max(0,min(_clipy1+_originy,height()));
		_displayclipy2 = max(0,min(_clipy2+_originy,height()));
		_invisible = (_displayclipx1 == _displayclipx2 || _displayclipy1 == _displayclipy2);
		_standard =  (_displayclipx1 == 0) && (_displayclipx2 == _width) && (_displayclipy1 == 0) && (_displayclipy2 == _height);
		if (Serial) {
			//Serial.printf("UDC (%d %d)-(%d %d) %d %d\n", _displayclipx1, _displayclipy1, _displayclipx2, 
			//	_displayclipy2, _invisible, _standard);

		}
	}
	
	int16_t scroll_x, scroll_y, scroll_width, scroll_height;
	boolean scrollEnable,isWritingScrollArea; // If set, 'wrap' text at right edge of display

	uint16_t textcolor, textbgcolor, scrollbgcolor;
	uint32_t textcolorPrexpanded, textbgcolorPrexpanded;
	uint8_t textsize_x, textsize_y, rotation, textdatum;
	boolean wrap; // If set, 'wrap' text at right edge of display
	const ILI9486_t3_font_t *font;
	// Anti-aliased font support
	uint8_t fontbpp = 1;
	uint8_t fontbppindex = 0;
	uint8_t fontbppmask = 1;
	uint8_t fontppb = 8;
	uint8_t* fontalphalut;
	float fontalphamx = 1;	

	uint32_t padX;

	// GFX Font support
	const GFXfont *gfxFont = nullptr;
	int8_t _gfxFont_min_yOffset = 0;

	// Opaque font chracter overlap?
	unsigned int _gfx_c_last;
	int16_t   _gfx_last_cursor_x, _gfx_last_cursor_y;
	int16_t	 _gfx_last_char_x_write = 0;
	uint16_t _gfx_last_char_textcolor;
	uint16_t _gfx_last_char_textbgcolor;
	bool gfxFontLastCharPosFG(int16_t x, int16_t y);
	

  	uint8_t  _rst;
  	uint8_t _cs, _dc;
	uint8_t pcs_data, pcs_command;
	uint8_t _miso, _mosi, _sclk;

    ///////////////////////////////
	// BUGBUG:: reorganize this area better!
	#if defined(KINETISK)
    //inline uint8_t sizeFIFO() {return _fifo_size; }
  	uint32_t _fifo_full_test;
    void waitFifoNotFull(void);
    void waitFifoEmpty(void);
    void waitTransmitComplete(void) ;
    void waitTransmitComplete(uint32_t mcr);

	#elif defined(__IMXRT1052__) || defined(__IMXRT1062__)
    uint8_t pending_rx_count = 0; // hack ...
    void waitFifoNotFull(void);
    void waitFifoEmpty(void);
    void waitTransmitComplete(void) ;
    void waitTransmitComplete(uint32_t mcr);
	#elif defined(KINETISL)
	#endif  
    //////////////////////////////


	// add support to allow only one hardware CS (used for dc)
#if defined(__IMXRT1052__) || defined(__IMXRT1062__)  // Teensy 4.x
    uint32_t _cspinmask;
    volatile uint32_t *_csport;
    uint32_t _spi_tcr_current;
    uint32_t _dcpinmask;
    uint32_t _tcr_dc_assert;
    uint32_t _tcr_dc_not_assert;
    volatile uint32_t *_dcport;
#else
    uint8_t _cspinmask;
    volatile uint8_t *_csport;
#endif
#ifdef KINETISL
    volatile uint8_t  *_dcport;
    uint8_t _dcpinmask;
#endif
#ifdef ENABLE_ILI9486_FRAMEBUFFER
    // Add support for optional frame buffer
    uint16_t	*_pfbtft;						// Optional Frame buffer 
    uint8_t		_use_fbtft;						// Are we in frame buffer mode?
    uint16_t	*_we_allocated_buffer;			// We allocated the buffer; 
	int16_t  	_changed_min_x, _changed_max_x, _changed_min_y, _changed_max_y;
	bool 		_updateChangedAreasOnly = true;	// current default off, 
	void		(*_frame_complete_callback)() = nullptr;
	bool 		_frame_callback_on_HalfDone = false;

    // Add DMA support. 
#if defined(__IMXRT1052__) || defined(__IMXRT1062__)  // Teensy 4.x
    uint16_t	*_pfbtft_async;					// pointer to async buffer at start of async operation...
	static  ILI9486_t3n 		*_dmaActiveDisplay[3];  // Use pointer to this as a way to get back to object...
#else
	static  ILI9486_t3n 		*_dmaActiveDisplay;  // Use pointer to this as a way to get back to object...
#endif
	volatile uint8_t  	_dma_state = 0;  		// DMA status
	volatile uint32_t	_dma_frame_count = 0;	// Can return a frame count...
	volatile uint16_t 	_dma_sub_frame_count = 0; // Can return a frame count...
	#if defined(__MK66FX1M0__) 
	// T3.6 use Scatter/gather with chain to do transfer
	static DMASetting 	_dmasettings[4];
	static DMAChannel  	_dmatx;
	#elif defined(__IMXRT1052__) || defined(__IMXRT1062__)  // Teensy 4.x
	  // try work around DMA memory cached.  So have a couple of buffers we copy frame buffer into
	  // as to move it out of the memory that is cached...

	static const uint32_t _count_pixels = ILI9486_TFTWIDTH * ILI9486_TFTHEIGHT;
	DMASetting   		_dmasettings[3];
	DMAChannel   		_dmatx;
	volatile    uint32_t _dma_pixel_index = 0;
	uint16_t          	_dma_buffer_size;   // the actual size we are using <= DMA_BUFFER_SIZE;
	uint16_t          	_dma_cnt_sub_frames_per_frame;  
	uint32_t 				_spi_fcr_save;		// save away previous FCR register value
	static void dmaInterrupt1(void);
	static void dmaInterrupt2(void);
	#elif defined(__MK64FX512__)
	// T3.5 - had issues scatter/gather so do just use channels/interrupts
	// and update and continue
	static DMAChannel  	_dmatx;
	static DMAChannel  	_dmarx;
	static uint16_t 	_dma_count_remaining;
	static uint16_t		_dma_write_size_words;
	#endif	
	static void dmaInterrupt(void);
	void process_dma_interrupt(void);
#endif
  void charBounds(char c, int16_t *x, int16_t *y,
      			int16_t *minx, int16_t *miny, int16_t *maxx, int16_t *maxy);

	uint16_t _previous_addr_y0 = 0xffff; 
	uint16_t _previous_addr_y1 = 0xffff;
  
	void setAddr(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
	  __attribute__((always_inline)) {
		  
		writecommand_cont(ILI9486_CASET); // Column addr set
		writedata8_cont((uint8_t)(x0 >> 8));   // XSTART
		writedata8_cont((uint8_t)(x0 & 0xFF));   // XSTART
		writedata8_cont((uint8_t)(x1 >> 8));   // XEND
		writedata8_cont((uint8_t)(x1 & 0xFF));   // XEND
		
		if ((y0 != _previous_addr_y0) || (y1 != _previous_addr_y1)) {
			writecommand_cont(ILI9486_PASET); // Row addr set
			writedata8_cont((uint8_t)(y0 >> 8));   // YSTART
			writedata8_cont((uint8_t)(y0 & 0xFF));   // YSTART
			writedata8_cont((uint8_t)(y1 >> 8));   // YEND
			writedata8_cont((uint8_t)(y1 & 0xFF));   // YEND
			_previous_addr_y0 = y0;
			_previous_addr_y1 = y1;
		}
	}
//. From Onewire utility files
#if defined(__IMXRT1052__) || defined(__IMXRT1062__)  // Teensy 4.x


	void DIRECT_WRITE_LOW(volatile uint32_t * base, uint32_t mask)  __attribute__((always_inline)) {
		*(base+34) = mask;
	}
	void DIRECT_WRITE_HIGH(volatile uint32_t * base, uint32_t mask)  __attribute__((always_inline)) {
		*(base+33) = mask;
	}
#endif

	void beginSPITransaction(uint32_t clock) __attribute__((always_inline)) {
		_pspi->beginTransaction(SPISettings(clock, MSBFIRST, SPI_MODE0));
		#if defined(__IMXRT1052__) || defined(__IMXRT1062__)  // Teensy 4.x 
		if (!_dcport) _spi_tcr_current = _pimxrt_spi->TCR; 	// Only if DC is on hardware CS 
		#endif
		if (_csport) {
#if defined(__IMXRT1052__) || defined(__IMXRT1062__)  // Teensy 4.x 
			DIRECT_WRITE_LOW(_csport, _cspinmask);
#else
			*_csport  &= ~_cspinmask;
#endif
		}
	}
	void endSPITransaction() __attribute__((always_inline)) {
		if (_csport) {
#if defined(__IMXRT1052__) || defined(__IMXRT1062__)  // Teensy 4.x 
			DIRECT_WRITE_HIGH(_csport, _cspinmask);
#else
			*_csport |= _cspinmask;
#endif
		}
		_pspi->endTransaction();
	}
#if defined(KINETISK)	
	void writecommand_cont(uint8_t c) __attribute__((always_inline)) {
		_pkinetisk_spi->PUSHR = c | (pcs_command << 16) | SPI_PUSHR_CTAS(0) | SPI_PUSHR_CONT;
		waitFifoNotFull();
	}
	void writedata8_cont(uint8_t c) __attribute__((always_inline)) {
		_pkinetisk_spi->PUSHR = c | (pcs_data << 16) | SPI_PUSHR_CTAS(0) | SPI_PUSHR_CONT;
		waitFifoNotFull();
	}
	void writedata16_cont(uint16_t d) __attribute__((always_inline)) {
		_pkinetisk_spi->PUSHR = d | (pcs_data << 16) | SPI_PUSHR_CTAS(1) | SPI_PUSHR_CONT;
		waitFifoNotFull();
	}
	void writecommand_last(uint8_t c) __attribute__((always_inline)) {
		uint32_t mcr = _pkinetisk_spi->MCR;
		_pkinetisk_spi->PUSHR = c | (pcs_command << 16) | SPI_PUSHR_CTAS(0) | SPI_PUSHR_EOQ;
		waitTransmitComplete(mcr);
	}
	void writedata8_last(uint8_t c) __attribute__((always_inline)) {
		uint32_t mcr = _pkinetisk_spi->MCR;
		_pkinetisk_spi->PUSHR = c | (pcs_data << 16) | SPI_PUSHR_CTAS(0) | SPI_PUSHR_EOQ;
		waitTransmitComplete(mcr);
	}
	void writedata16_last(uint16_t d) __attribute__((always_inline)) {
		uint32_t mcr = _pkinetisk_spi->MCR;
		_pkinetisk_spi->PUSHR = d | (pcs_data << 16) | SPI_PUSHR_CTAS(1) | SPI_PUSHR_EOQ;
		waitTransmitComplete(mcr);
	}
#elif defined(__IMXRT1052__) || defined(__IMXRT1062__)  // Teensy 4.x 
	#define TCR_MASK  (LPSPI_TCR_PCS(3) | LPSPI_TCR_FRAMESZ(31) | LPSPI_TCR_CONT | LPSPI_TCR_RXMSK )
	void maybeUpdateTCR(uint32_t requested_tcr_state) /*__attribute__((always_inline)) */ {
		if ((_spi_tcr_current & TCR_MASK) != requested_tcr_state) {
			bool dc_state_change = (_spi_tcr_current & LPSPI_TCR_PCS(3)) != (requested_tcr_state & LPSPI_TCR_PCS(3));
			_spi_tcr_current = (_spi_tcr_current & ~TCR_MASK) | requested_tcr_state ;
			// only output when Transfer queue is empty.
			if (!dc_state_change || !_dcpinmask) {
				while ((_pimxrt_spi->FSR & 0x1f) )	;
				_pimxrt_spi->TCR = _spi_tcr_current;	// update the TCR

			} else {
				waitTransmitComplete();
				if (requested_tcr_state & LPSPI_TCR_PCS(3)) DIRECT_WRITE_HIGH(_dcport, _dcpinmask);
				else DIRECT_WRITE_LOW(_dcport, _dcpinmask);
				_pimxrt_spi->TCR = _spi_tcr_current & ~(LPSPI_TCR_PCS(3) | LPSPI_TCR_CONT);	// go ahead and update TCR anyway?  

			}
		}
	}

	// BUGBUG:: currently assumming we only have CS_0 as valid CS
	void spiTransfer_cont(uint8_t data, int tcr_state) __attribute__((always_inline)) {
		maybeUpdateTCR(LPSPI_TCR_PCS(tcr_state) | LPSPI_TCR_FRAMESZ(7) | LPSPI_TCR_CONT);
		_pimxrt_spi->TDR = data;
		pending_rx_count++;
		waitFifoNotFull();
	}
	void spiTransfer_last(uint8_t data, int tcr_state) __attribute__((always_inline)) {
		maybeUpdateTCR(LPSPI_TCR_PCS(tcr_state) | LPSPI_TCR_FRAMESZ(7) | LPSPI_TCR_CONT);
		_pimxrt_spi->TDR = data;
		pending_rx_count++;
		waitTransmitComplete();
	}
	
	void writecommand_cont(uint8_t c) __attribute__((always_inline)) {
		spiTransfer_cont(0x00, 0);
		spiTransfer_cont(c, 0);
	}	
	void writedata8_cont(uint8_t d) __attribute__((always_inline)) {
		spiTransfer_cont(0x00, 1);
		spiTransfer_cont(d, 1);
	}
	void writedata16_cont(uint16_t d) __attribute__((always_inline)) {
		spiTransfer_cont(uint8_t(d >> 8), 1);
		spiTransfer_cont(uint8_t(d & 0xff), 1);
	}	
	
	void writecommand_last(uint8_t c) __attribute__((always_inline)) {
		spiTransfer_cont(0x00, 0);
		spiTransfer_last(c, 0);
	}
	void writedata8_last(uint8_t d) __attribute__((always_inline)) {
		spiTransfer_cont(0x00, 1);
		spiTransfer_last(d, 1);
	}
	void writedata16_last(uint16_t d) __attribute__((always_inline)) {
		spiTransfer_cont(uint8_t(d >> 8), 1);
		spiTransfer_last(uint8_t(d & 0xff), 1);
	}

#elif defined (KINETISL)
// Lets see how hard to make it work OK with T-LC
	uint8_t _dcpinAsserted;
	uint8_t _data_sent_not_completed;
	void waitTransmitComplete()  {
		while (_data_sent_not_completed) {
			uint16_t timeout_count = 0xff; // hopefully enough 
			while (!(_pkinetisl_spi->S & SPI_S_SPRF) && timeout_count--) ; // wait 
			uint8_t d __attribute__((unused));
			d = _pkinetisl_spi->DL;
			d = _pkinetisl_spi->DH;
			_data_sent_not_completed--; // We hopefully received our data...
		}
	}
	uint16_t waitTransmitCompleteReturnLast()  {
		uint16_t d = 0;
		while (_data_sent_not_completed) {
			uint16_t timeout_count = 0xff; // hopefully enough 
			while (!(_pkinetisl_spi->S & SPI_S_SPRF) && timeout_count--) ; // wait 
			d = (_pkinetisl_spi->DH << 8) | _pkinetisl_spi->DL;
			_data_sent_not_completed--; // We hopefully received our data...
		}
		return d;
	}

	void setCommandMode() __attribute__((always_inline)) {
		if (!_dcpinAsserted) {
			waitTransmitComplete();
			*_dcport  &= ~_dcpinmask;
			_dcpinAsserted = 1;
		}
	}

	void setDataMode() __attribute__((always_inline)) {
		if (_dcpinAsserted) {
			waitTransmitComplete();
			*_dcport  |= _dcpinmask;
			_dcpinAsserted = 0;
		}
	}

	void outputToSPI(uint8_t c) {
		if (_pkinetisl_spi->C2 & SPI_C2_SPIMODE) {
			// Wait to change modes until any pending output has been done.
			waitTransmitComplete();
			_pkinetisl_spi->C2 = 0; // make sure 8 bit mode.
		}
		while (!(_pkinetisl_spi->S & SPI_S_SPTEF)) ; // wait if output buffer busy.
		// Clear out buffer if there is something there...
		if  ((_pkinetisl_spi->S & SPI_S_SPRF)) {
			uint8_t d __attribute__((unused));
			d = _pkinetisl_spi->DL;
			_data_sent_not_completed--;
		} 
		_pkinetisl_spi->DL = c; // output byte
		_data_sent_not_completed++; // let system know we sent something	
	}

	void outputToSPI16(uint16_t data)  {
		if (!(_pkinetisl_spi->C2 & SPI_C2_SPIMODE)) {
			// Wait to change modes until any pending output has been done.
			waitTransmitComplete();
			_pkinetisl_spi->C2 = SPI_C2_SPIMODE; // make sure 8 bit mode.
		}
		uint8_t s;
		do {
			s = _pkinetisl_spi->S;
			 // wait if output buffer busy.
			// Clear out buffer if there is something there...
			if  ((s & SPI_S_SPRF)) {
				uint8_t d __attribute__((unused));
				d = _pkinetisl_spi->DL;
				d = _pkinetisl_spi->DH;
				_data_sent_not_completed--; 	// let system know we sent something	
			}

		} while (!(s & SPI_S_SPTEF) || (s & SPI_S_SPRF));

		_pkinetisl_spi->DL = data; 		// output low byte
		_pkinetisl_spi->DH = data >> 8; // output high byte
		_data_sent_not_completed++; 	// let system know we sent something	
	}

	void writecommand_cont(uint8_t c)  {
		setCommandMode();
		outputToSPI(c);
	}
	void writedata8_cont(uint8_t c) {
		setDataMode();
		outputToSPI(c);
	}

	void writedata16_cont(uint16_t c)  {
		setDataMode();
		outputToSPI16(c);
	}

	void writecommand_last(uint8_t c)  {
		setCommandMode();
		outputToSPI(c);
		waitTransmitComplete();
	}
	void writedata8_last(uint8_t c)  {
		setDataMode();
		outputToSPI(c);
		waitTransmitComplete();
	}
	void writedata16_last(uint16_t c) {
		setDataMode();
		outputToSPI16(c);
		waitTransmitComplete();
	}

#endif

	#ifdef ENABLE_ILI9486_FRAMEBUFFER
	void clearChangedRange() {
		_changed_min_x = 0x7fff;
		_changed_max_x = -1;
		_changed_min_y = 0x7fff;
		_changed_max_y = -1;
  	}

	void updateChangedRange(int16_t x, int16_t y, int16_t w, int16_t h)
	  	__attribute__((always_inline)) {
	 	if (x < _changed_min_x) _changed_min_x = x;	
	 	if (y < _changed_min_y) _changed_min_y = y;	
	 	x += w - 1;
	 	y += h - 1;
	 	if (x > _changed_max_x) _changed_max_x = x;	
	 	if (y > _changed_max_y) _changed_max_y = y;	
	}

	//could combine with above, but avoids the +-...
	void updateChangedRange(int16_t x, int16_t y)
	  	__attribute__((always_inline)) {
	 	if (x < _changed_min_x) _changed_min_x = x;	
	 	if (y < _changed_min_y) _changed_min_y = y;	
	 	if (x > _changed_max_x) _changed_max_x = x;	
	 	if (y > _changed_max_y) _changed_max_y = y;	
	}
	
	#endif

	void updateChangedAreasOnly(bool updateChangedOnly) {
#ifdef ENABLE_ILI9486_FRAMEBUFFER
		_updateChangedAreasOnly = updateChangedOnly;
#endif
	}

	void HLine(int16_t x, int16_t y, int16_t w, uint16_t color)
	  __attribute__((always_inline)) {
		#ifdef ENABLE_ILI9486_FRAMEBUFFER
	  	if (_use_fbtft) {
	  		drawFastHLine(x, y, w, color);
	  		return;
	  	}
	  	#endif
	    x+=_originx;
	    y+=_originy;

	    // Rectangular clipping
	    if((y < _displayclipy1) || (x >= _displayclipx2) || (y >= _displayclipy2)) return;
	    if(x<_displayclipx1) { w = w - (_displayclipx1 - x); x = _displayclipx1; }
	    if((x+w-1) >= _displayclipx2)  w = _displayclipx2-x;
	    if (w<1) return;

		setAddr(x, y, x+w-1, y);
		writecommand_cont(ILI9486_RAMWR);
		do { writedata16_cont(color); } while (--w > 0);
	}
	void VLine(int16_t x, int16_t y, int16_t h, uint16_t color)
	  __attribute__((always_inline)) {
		#ifdef ENABLE_ILI9486_FRAMEBUFFER
	  	if (_use_fbtft) {
	  		drawFastVLine(x, y, h, color);
	  		return;
	  	}
	  	#endif
		x+=_originx;
	    y+=_originy;

	    // Rectangular clipping
	    if((x < _displayclipx1) || (x >= _displayclipx2) || (y >= _displayclipy2)) return;
	    if(y < _displayclipy1) { h = h - (_displayclipy1 - y); y = _displayclipy1;}
	    if((y+h-1) >= _displayclipy2) h = _displayclipy2-y;
	    if(h<1) return;

		setAddr(x, y, x, y+h-1);
		writecommand_cont(ILI9486_RAMWR);
		do { writedata16_cont(color); } while (--h > 0);
	}
	/**
	 * Found in a pull request for the Adafruit framebuffer library. Clever!
	 * https://github.com/tricorderproject/arducordermini/pull/1/files#diff-d22a481ade4dbb4e41acc4d7c77f683d
	 * Converts  0000000000000000rrrrrggggggbbbbb
	 *     into  00000gggggg00000rrrrr000000bbbbb
	 * with mask 00000111111000001111100000011111
	 * This is useful because it makes space for a parallel fixed-point multiply
	 * This implements the linear interpolation formula: result = bg * (1.0 - alpha) + fg * alpha
	 * This can be factorized into: result = bg + (fg - bg) * alpha
	 * alpha is in Q1.5 format, so 0.0 is represented by 0, and 1.0 is represented by 32
	 * @param	fg		Color to draw in RGB565 (16bit)
	 * @param	bg		Color to draw over in RGB565 (16bit)
	 * @param	alpha	Alpha in range 0-255
	 **/
	uint16_t alphaBlendRGB565( uint32_t fg, uint32_t bg, uint8_t alpha )
	 __attribute__((always_inline)) {
	 	alpha = ( alpha + 4 ) >> 3; // from 0-255 to 0-31
		bg = (bg | (bg << 16)) & 0b00000111111000001111100000011111;
		fg = (fg | (fg << 16)) & 0b00000111111000001111100000011111;
		uint32_t result = ((((fg - bg) * alpha) >> 5) + bg) & 0b00000111111000001111100000011111;
		return (uint16_t)((result >> 16) | result); // contract result
	}
	/**
	 * Same as above, but fg and bg are premultiplied, and alpah is already in range 0-31
	 */
	uint16_t alphaBlendRGB565Premultiplied( uint32_t fg, uint32_t bg, uint8_t alpha )
	 __attribute__((always_inline)) {
		uint32_t result = ((((fg - bg) * alpha) >> 5) + bg) & 0b00000111111000001111100000011111;
		return (uint16_t)((result >> 16) | result); // contract result
	}
	void Pixel(int16_t x, int16_t y, uint16_t color)
	  __attribute__((always_inline)) {
	    x+=_originx;
	    y+=_originy;

	  	if((x < _displayclipx1) ||(x >= _displayclipx2) || (y < _displayclipy1) || (y >= _displayclipy2)) return;

		#ifdef ENABLE_ILI9486_FRAMEBUFFER
	  	if (_use_fbtft) {
			updateChangedRange(x, y);		// update the range of the screen that has been changed;
	  		_pfbtft[y*_width + x] = color;
	  		return;
	  	}
	  	#endif
		setAddr(x, y, x, y);
		writecommand_cont(ILI9486_RAMWR);
		writedata16_cont(color);
	}
	void drawFontBits(bool opaque, uint32_t bits, uint32_t numbits, int32_t x, int32_t y, uint32_t repeat);
	void drawFontPixel( uint8_t alpha, uint32_t x, uint32_t y );
	uint32_t fetchpixel(const uint8_t *p, uint32_t index, uint32_t x);

};



// To avoid conflict when also using Adafruit_GFX or any Adafruit library
// which depends on Adafruit_GFX, #include the Adafruit library *BEFORE*
// you #include ILI9486_t3.h.
// Warning the implemention of class needs to be here, else the code
// compiled in the c++ file will cause duplicate defines in the link phase. 
//#ifndef _ADAFRUIT_GFX_H
#define Adafruit_GFX_Button ILI9486_Button
class ILI9486_Button {
public:
	ILI9486_Button(void) { _gfx = NULL; }
	void initButton(ILI9486_t3n *gfx, int16_t x, int16_t y,
		uint8_t w, uint8_t h,
		uint16_t outline, uint16_t fill, uint16_t textcolor,
		const char *label, uint8_t textsize_x, uint8_t textsize_y) {
		_x = x;
		_y = y;
		_w = w;
		_h = h;
		_outlinecolor = outline;
		_fillcolor = fill;
		_textcolor = textcolor;
		_textsize_x = textsize_x;
		_textsize_y = textsize_y;
		_gfx = gfx;
		strncpy(_label, label, 9);
		_label[9] = 0;

	}
	void drawButton(bool inverted = false) {
		uint16_t fill, outline, text;

		if (! inverted) {
			fill = _fillcolor;
			outline = _outlinecolor;
			text = _textcolor;
		} else {
			fill =  _textcolor;
			outline = _outlinecolor;
			text = _fillcolor;
		}
		_gfx->fillRoundRect(_x - (_w/2), _y - (_h/2), _w, _h, min(_w,_h)/4, fill);
		_gfx->drawRoundRect(_x - (_w/2), _y - (_h/2), _w, _h, min(_w,_h)/4, outline);
		_gfx->setCursor(_x - strlen(_label)*3*_textsize_x, _y-4*_textsize_y);
		_gfx->setTextColor(text);
		_gfx->setTextSize(_textsize_x, _textsize_y);
		_gfx->print(_label);
	}

	bool contains(int16_t x, int16_t y) {
		if ((x < (_x - _w/2)) || (x > (_x + _w/2))) return false;
		if ((y < (_y - _h/2)) || (y > (_y + _h/2))) return false;
		return true;
	}

	void press(boolean p) {
		laststate = currstate;
		currstate = p;
	}
	bool isPressed() { return currstate; }
	bool justPressed() { return (currstate && !laststate); }
	bool justReleased() { return (!currstate && laststate); }
private:
	ILI9486_t3n *_gfx;
	int16_t _x, _y;
	uint16_t _w, _h;
	uint8_t _textsize_x, _textsize_y;
	uint16_t _outlinecolor, _fillcolor, _textcolor;
	char _label[10];
	boolean currstate, laststate;
};
//#endif

#endif // __cplusplus


#endif