Graphics class to hold graphic related functions. More...

#include <ERM19264_graphics.h>

Inheritance diagram for ERM19264_graphics:

Collaboration diagram for ERM19264_graphics:

Public Member Functions
	ERM19264_graphics (int16_t w, int16_t h)
	init the LCD Graphics class object More...

virtual void	drawPixel (int16_t x, int16_t y, uint8_t color)=0

void	drawLine (int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint8_t color)
	draws a line from (x0,y0) to (x1,y1). More...

void	drawFastVLine (int16_t x, int16_t y, int16_t h, uint8_t color)
	Draws a vertical line starting at (x,y) with height h. More...

void	drawFastHLine (int16_t x, int16_t y, int16_t w, uint8_t color)
	Draws a horizontal line starting at (x,y) with width w. More...

void	drawRect (int16_t x, int16_t y, int16_t w, int16_t h, uint8_t color)
	draws rectangle at (x,y) where h is height and w is width of the rectangle. More...

void	fillRect (int16_t x, int16_t y, int16_t w, int16_t h, uint8_t color)
	fills a rectangle starting from coordinates (x,y) with width of w and height of h. More...

void	fillScreen (uint8_t color)
	Fills the whole screen with a given color. More...

void	drawCircle (int16_t x0, int16_t y0, int16_t r, uint8_t color)
	draws a circle where (x0,y0) are center coordinates an r is circle radius. More...

void	drawCircleHelper (int16_t x0, int16_t y0, int16_t r, uint8_t cornername, uint8_t color)
	Used internally by drawRoundRect.

void	fillCircle (int16_t x0, int16_t y0, int16_t r, uint8_t color)
	fills a circle where (x0,y0) are center coordinates an r is circle radius. More...

void	fillCircleHelper (int16_t x0, int16_t y0, int16_t r, uint8_t cornername, int16_t delta, uint8_t color)
	Used internally by fill circle fillRoundRect and fillcircle.

void	drawTriangle (int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint8_t color)
	draws a triangle of coordinates (x0,y0), (x1,y1) and (x2,y2). More...

void	fillTriangle (int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint8_t color)
	Fills a triangle of coordinates (x0,y0), (x1,y1) and (x2,y2). More...

void	drawRoundRect (int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint8_t color)
	draws a rectangle with rounded edges More...

void	fillRoundRect (int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint8_t color)
	Fills a rectangle with rounded edges. More...

LCD_Return_Codes_e	drawBitmap (int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint8_t color, uint8_t bg)
	Draw a 1-bit color bitmap. More...

void	setDrawBitmapAddr (boolean mode)
	sets the data addressing mode in drawBitmap function. More...

void	setCursor (int16_t x, int16_t y)
	set the cursor position More...

void	setTextColor (uint8_t c)
	set the text color More...

void	setTextColor (uint8_t c, uint8_t bg)
	set the text color More...

void	setTextSize (uint8_t s)
	set the text size , starts at 1 More...

void	setTextWrap (boolean w)
	turn on or off screen _textWrap of the text (fonts 1-6) More...

void	setFontNum (LCD_Font_Type_e FontNumber)
	Set the font type. More...

LCD_Return_Codes_e	drawChar (uint8_t x, uint8_t y, uint8_t c, uint8_t color, uint8_t bg)
	writes a char (c) on the LCD More...

LCD_Return_Codes_e	drawText (uint8_t x, uint8_t y, char *pText, uint8_t color, uint8_t bg)
	Writes text string (*ptext) on the LCD. More...

LCD_Return_Codes_e	drawChar (int16_t x, int16_t y, unsigned char c, uint8_t color, uint8_t bg, uint8_t s)
	writes a char (c) on the LCD More...

LCD_Return_Codes_e	drawText (uint8_t x, uint8_t y, char *pTxt, uint8_t c, uint8_t bg, uint8_t s)
	Writes text string on the LCD. More...

virtual void	write (uint8_t)
	: called by the print class after it converts the data to a character More...

int16_t	height (void) const
	Gets the height of the display (per current rotation) More...

int16_t	width (void) const
	Gets the width of the display (per current rotation) More...

void	setRotation (LCD_rotate_e)
	Sets the rotation of the display. More...

LCD_rotate_e	getRotation (void)
	Gets the _rotation of the display. More...

Protected Attributes
const int16_t	WIDTH

const int16_t	HEIGHT

int16_t	_width

int16_t	_height

int16_t	_cursorX

int16_t	_cursorY

LCD_rotate_e	LCD_rotate = LCD_Degrees_0

uint8_t	_textColor = 0x00

uint8_t	_textBgColor = 0x01

uint8_t	_textSize = 1

boolean	_textWrap

boolean	drawBitmapAddr

Private Types
enum	LCD_Font_width_e : uint8_t { UC1609Font_width_3 = 3 , UC1609Font_width_4 = 4 , UC1609Font_width_5 = 5 , UC1609Font_width_6 = 6 , UC1609Font_width_7 = 7 , UC1609Font_width_8 = 8 , UC1609Font_width_16 = 16 }

enum	LCD_Font_offset_e : uint8_t { UC1609Font_offset_none = 0x00 , UC1609Font_offset_space = 0x20 , UC1609Font_offset_minus = 0x2D , UC1609Font_offset_zero = 0x30 }

enum	LCD_Font_height_e : uint8_t { UC1609Font_height_8 = 8 , UC1609Font_height_12 = 12 , UC1609Font_height_16 = 16 , UC1609Font_height_24 = 24 , UC1609Font_height_32 = 32 }

enum	LCD_Font_Length_e : uint8_t { UC1609FontLenNumeric = 14 , UC1609FontLenAlphaNumNoLCase = 59 , UC1609FontLenAlphaNum = 95 , UC1609FontLenHalf = 128 , UC1609FontLenAll = 255 }

Private Attributes
uint8_t	_FontNumber = 1

uint8_t	_CurrentFontWidth =5

uint8_t	_CurrentFontoffset = 0

uint8_t	_CurrentFontheight = 8

uint8_t	_CurrentFontLength = 128

Detailed Description

Graphics class to hold graphic related functions.

Member Enumeration Documentation

◆ LCD_Font_height_e

enum ERM19264_graphics::LCD_Font_height_e : uint8_t

private

Height of the font in bits

Enumerator
UC1609Font_height_8	8 bit font 1-6 at size 1
UC1609Font_height_12	12 bit font 12
UC1609Font_height_16	16 bit font 8, 10 11
UC1609Font_height_24	24 bit font 9
UC1609Font_height_32	32 bit font 7

◆ LCD_Font_Length_e

enum ERM19264_graphics::LCD_Font_Length_e : uint8_t

private

Number of ASCII characters in Font

Enumerator
UC1609FontLenNumeric	extended Numeric 0x2D - 0x3A
UC1609FontLenAlphaNumNoLCase	reduced Alphanumeric 0x20-0x5A
UC1609FontLenAlphaNum	Full Alphanumeric 0x20-0x7E
UC1609FontLenHalf	Full Range 0-127
UC1609FontLenAll	Full Range 0-0xFF

◆ LCD_Font_offset_e

enum ERM19264_graphics::LCD_Font_offset_e : uint8_t

private

font offset in the ASCII table

Enumerator
UC1609Font_offset_none	Full extended ASCII
UC1609Font_offset_space	Starts at Space, alphanumeric
UC1609Font_offset_minus	Starts at Minus, extended numeric
UC1609Font_offset_zero	Starts at zero, numeric

◆ LCD_Font_width_e

enum ERM19264_graphics::LCD_Font_width_e : uint8_t

private

Width of the font in bits each representing a bytes sized column

Enumerator
UC1609Font_width_3	3 tiny font
UC1609Font_width_4	4 seven segment font
UC1609Font_width_5	5 default font
UC1609Font_width_6	12 dedica font
UC1609Font_width_7	6 homespun & 2 thick font
UC1609Font_width_8	8 wide & mia font
UC1609Font_width_16	16 font 7-10

Constructor & Destructor Documentation

◆ ERM19264_graphics()

ERM19264_graphics::ERM19264_graphics	(	int16_t	w,
		int16_t	h
	)

init the LCD Graphics class object

Parameters

w	width defined in sub-class
h	height defined in sub-class

Member Function Documentation

◆ drawBitmap()

LCD_Return_Codes_e ERM19264_graphics::drawBitmap	(	int16_t	x,
		int16_t	y,
		const uint8_t *	bitmap,
		int16_t	w,
		int16_t	h,
		uint8_t	color,
		uint8_t	bg
	)

Draw a 1-bit color bitmap.

Parameters

x	x co-ord position
y	y co-ord posiiton a
bitmap	pointer to bitmap data (must be PROGMEM memory)
w	width of the bitmap
h	height of the bitmap
color	foreground colour
bg	background colour.

Returns: LCD_Return_Codes_e enum.

Note

Variable drawBitmapAddr controls data addressing

drawBitmapAddr = true Vertical data addressing
drawBitmapAddr = false Horizontal data addressing
A vertical Bitmap's h must be divisible by 8.for a bitmap with h=128 & h=64.
Bitmap excepted size = 128 * (64/8) = 1024 bytes.
A horizontal Bitmap's w must be divisible by 8. For a bitmap with w=88 & h=48.
Bitmap excepted size = (88/8) * 48 = 528 bytes.

◆ drawChar() [1/2]

LCD_Return_Codes_e ERM19264_graphics::drawChar	(	int16_t	x,
		int16_t	y,
		unsigned char	character,
		uint8_t	color,
		uint8_t	bg,
		uint8_t	size
	)

writes a char (c) on the LCD

Parameters

x	X coordinate
y	Y coordinate
character	The ASCII character
color	color
bg	background color
size	1-x

Returns: LCD_Return_Codes_e enum.

Note: for font #1-6 only

◆ drawChar() [2/2]

LCD_Return_Codes_e ERM19264_graphics::drawChar	(	uint8_t	x,
		uint8_t	y,
		uint8_t	character,
		uint8_t	color,
		uint8_t	bg
	)

writes a char (c) on the LCD

Parameters

x	X coordinate
y	Y coordinate
character	The ASCII character
color
bg	background color

Returns: LCD_Return_Codes_e enum.

Note: for font 7-12 only

◆ drawCircle()

void ERM19264_graphics::drawCircle	(	int16_t	x0,
		int16_t	y0,
		int16_t	r,
		uint8_t	color
	)

draws a circle where (x0,y0) are center coordinates an r is circle radius.

Parameters

x0	circle center x position
y0	circle center y position
r	radius of circle
color	The color of the circle

◆ drawFastHLine()

void ERM19264_graphics::drawFastHLine	(	int16_t	x,
		int16_t	y,
		int16_t	w,
		uint8_t	color
	)

Draws a horizontal line starting at (x,y) with width w.

Parameters

x	The starting x coordinate
y	The starting y coordinate
w	The width of the line
color	The color of the line

◆ drawFastVLine()

void ERM19264_graphics::drawFastVLine	(	int16_t	x,
		int16_t	y,
		int16_t	h,
		uint8_t	color
	)

Draws a vertical line starting at (x,y) with height h.

Parameters

x	The starting x coordinate
y	The starting y coordinate
h	The height of the line
color	The color of the line

◆ drawLine()

void ERM19264_graphics::drawLine	(	int16_t	x0,
		int16_t	y0,
		int16_t	x1,
		int16_t	y1,
		uint8_t	color
	)

draws a line from (x0,y0) to (x1,y1).

Parameters

x0	x start coordinate
y0	y start coordinate
x1	x end coordinate
y1	y end coordinate
color	color to draw line

◆ drawRect()

void ERM19264_graphics::drawRect	(	int16_t	x,
		int16_t	y,
		int16_t	w,
		int16_t	h,
		uint8_t	color
	)

draws rectangle at (x,y) where h is height and w is width of the rectangle.

Parameters

x	x start coordinate
y	y start coordinate
w	width of the rectangle
h	height of the rectangle
color	color to draw rect

◆ drawRoundRect()

void ERM19264_graphics::drawRoundRect	(	int16_t	x,
		int16_t	y,
		int16_t	w,
		int16_t	h,
		int16_t	r,
		uint8_t	color
	)

draws a rectangle with rounded edges

Parameters

x	x start coordinate
y	y start coordinate
w	width of the rectangle
h	height of the rectangle
r	radius of the rounded edges
color	color to draw rounded rectangle

◆ drawText() [1/2]

LCD_Return_Codes_e ERM19264_graphics::drawText	(	uint8_t	x,
		uint8_t	y,
		char *	pText,
		uint8_t	color,
		uint8_t	bg
	)

Writes text string (*ptext) on the LCD.

Parameters

x	X coordinate
y	Y coordinate
pText	pointer to string of ASCII character's
color	text color
bg	background color

Returns: LCD_Return_Codes_e enum.

Note: for font 7-12 only

◆ drawText() [2/2]

LCD_Return_Codes_e ERM19264_graphics::drawText	(	uint8_t	x,
		uint8_t	y,
		char *	pText,
		uint8_t	color,
		uint8_t	bg,
		uint8_t	size
	)

Writes text string on the LCD.

Parameters

x	X coordinate
y	Y coordinate
pText	pointer to string/array
color	text color
bg	background color
size	1-x

Returns: LCD_Return_Codes_e enum.

Note: for font #1-6 only

◆ drawTriangle()

void ERM19264_graphics::drawTriangle	(	int16_t	x0,
		int16_t	y0,
		int16_t	x1,
		int16_t	y1,
		int16_t	x2,
		int16_t	y2,
		uint8_t	color
	)

draws a triangle of coordinates (x0,y0), (x1,y1) and (x2,y2).

Parameters

x0	x start coordinate point 1
y0	y start coordinate point 1
x1	x start coordinate point 2
y1	y start coordinate point 2
x2	x start coordinate point 3
y2	y start coordinate point 3
color	color to draw triangle

◆ fillCircle()

void ERM19264_graphics::fillCircle	(	int16_t	x0,
		int16_t	y0,
		int16_t	r,
		uint8_t	color
	)

fills a circle where (x0,y0) are center coordinates an r is circle radius.

Parameters

x0	circle center x position
y0	circle center y position
r	radius of circle
color	color of the filled circle

◆ fillRect()

void ERM19264_graphics::fillRect	(	int16_t	x,
		int16_t	y,
		int16_t	w,
		int16_t	h,
		uint8_t	color
	)

fills a rectangle starting from coordinates (x,y) with width of w and height of h.

Parameters

x	x coordinate
y	y coordinate
w	width of the rectangle
h	height of the rectangle
color	color to fill rectangle

◆ fillRoundRect()

void ERM19264_graphics::fillRoundRect	(	int16_t	x,
		int16_t	y,
		int16_t	w,
		int16_t	h,
		int16_t	r,
		uint8_t	color
	)

Fills a rectangle with rounded edges.

Parameters

x	x start coordinate
y	y start coordinate
w	width of the rectangle
h	height of the rectangle
r	radius of the rounded edges
color	color to fill round rectangle

◆ fillScreen()

void ERM19264_graphics::fillScreen ( uint8_t color )

Fills the whole screen with a given color.

Parameters

color color to fill screen

◆ fillTriangle()

void ERM19264_graphics::fillTriangle	(	int16_t	x0,
		int16_t	y0,
		int16_t	x1,
		int16_t	y1,
		int16_t	x2,
		int16_t	y2,
		uint8_t	color
	)

Fills a triangle of coordinates (x0,y0), (x1,y1) and (x2,y2).

Parameters

x0	x start coordinate point 1
y0	y start coordinate point 1
x1	x start coordinate point 2
y1	y start coordinate point 2
x2	x start coordinate point 3
y2	y start coordinate point 3
color	color to fill triangle

◆ getRotation()

LCD_rotate_e ERM19264_graphics::getRotation ( void )

Gets the _rotation of the display.

Returns: rotation enum value 0-3

◆ height()

int16_t ERM19264_graphics::height ( void ) const

Gets the height of the display (per current rotation)

Returns: height member of display in pixels

◆ setCursor()

void ERM19264_graphics::setCursor	(	int16_t	x,
		int16_t	y
	)

set the cursor position

Parameters

x	X co-ord position
y	Y co-ord position

◆ setDrawBitmapAddr()

void ERM19264_graphics::setDrawBitmapAddr ( boolean mode )

sets the data addressing mode in drawBitmap function.

Parameters

mode	boolean mode , true default True = bitmap data vertically addressed False = bitmap data horizontally addressed

◆ setFontNum()

void ERM19264_graphics::setFontNum ( LCD_Font_Type_e FontNumber )

Set the font type.

Parameters

FontNumber enum LCD_FONT_TYPE_e

◆ setRotation()

void ERM19264_graphics::setRotation ( LCD_rotate_e CurrentRotation )

Sets the rotation of the display.

Parameters

CurrentRotation rotation enum value 0-3

Note this is separate from LCD command method for rotation. This rotates the Software buffer.

◆ setTextColor() [1/2]

void ERM19264_graphics::setTextColor ( uint8_t c )

set the text color

Parameters

c	Color fo text

◆ setTextColor() [2/2]

void ERM19264_graphics::setTextColor	(	uint8_t	c,
		uint8_t	b
	)

set the text color

Parameters

c	Color of text foreground
b	color of background of text

◆ setTextSize()

void ERM19264_graphics::setTextSize ( uint8_t s )

set the text size , starts at 1

Parameters

s	Size of text 1-X

◆ setTextWrap()

void ERM19264_graphics::setTextWrap ( boolean w )

turn on or off screen _textWrap of the text (fonts 1-6)

Parameters

w TRUE on

◆ width()

int16_t ERM19264_graphics::width ( void ) const

Gets the width of the display (per current rotation)

Returns: width member of display in pixels

◆ write()

void ERM19264_graphics::write ( uint8_t character )

virtual

: called by the print class after it converts the data to a character

Parameters

character The character to write

Member Data Documentation

◆ _CurrentFontheight

uint8_t ERM19264_graphics::_CurrentFontheight = 8

private

Store current offset height

◆ _CurrentFontLength

uint8_t ERM19264_graphics::_CurrentFontLength = 128

private

Store current font number of characters

◆ _CurrentFontoffset

uint8_t ERM19264_graphics::_CurrentFontoffset = 0

private

Store current offset width

◆ _CurrentFontWidth

uint8_t ERM19264_graphics::_CurrentFontWidth =5

private

Store current font width

◆ _cursorX

int16_t ERM19264_graphics::_cursorX

protected

Current X co-ord cursor position

◆ _cursorY

int16_t ERM19264_graphics::_cursorY

protected

Current Y co-ord cursor position

◆ _FontNumber

uint8_t ERM19264_graphics::_FontNumber = 1

private

Store current font

◆ _height

int16_t ERM19264_graphics::_height

protected

Display h as modified by current rotation

◆ _textBgColor

uint8_t ERM19264_graphics::_textBgColor = 0x01

protected

Text background color

◆ _textColor

uint8_t ERM19264_graphics::_textColor = 0x00

protected

Text foreground color

◆ _textSize

uint8_t ERM19264_graphics::_textSize = 1

protected

Size of text ,fonts 1-6

◆ _textWrap

boolean ERM19264_graphics::_textWrap

protected

If set, 'Wrap' text at right edge of display

◆ _width

int16_t ERM19264_graphics::_width

protected

Display w as modified by current rotation

◆ drawBitmapAddr

boolean ERM19264_graphics::drawBitmapAddr

protected

data addressing mode for method drawBitmap, True-vertical , false-horizontal

◆ HEIGHT

const int16_t ERM19264_graphics::HEIGHT

protected

This is the 'raw' display h - never changes

◆ LCD_rotate

LCD_rotate_e ERM19264_graphics::LCD_rotate = LCD_Degrees_0

protected

Enum to hold rotation

◆ WIDTH

const int16_t ERM19264_graphics::WIDTH

protected

This is the 'raw' display w - never changes

The documentation for this class was generated from the following files:

Public Member Functions

Protected Attributes

Private Types

Private Attributes

Detailed Description

Member Enumeration Documentation

◆ LCD_Font_height_e

◆ LCD_Font_Length_e

◆ LCD_Font_offset_e

◆ LCD_Font_width_e

Constructor & Destructor Documentation

◆ ERM19264_graphics()

Member Function Documentation

◆ drawBitmap()

◆ drawChar() [1/2]

◆ drawChar() [2/2]

◆ drawCircle()

◆ drawFastHLine()

◆ drawFastVLine()

◆ drawLine()

◆ drawRect()

◆ drawRoundRect()

◆ drawText() [1/2]

◆ drawText() [2/2]

◆ drawTriangle()

◆ fillCircle()

◆ fillRect()

◆ fillRoundRect()

◆ fillScreen()

◆ fillTriangle()

◆ getRotation()

◆ height()

◆ setCursor()

◆ setDrawBitmapAddr()

◆ setFontNum()

◆ setRotation()

◆ setTextColor() [1/2]

◆ setTextColor() [2/2]

◆ setTextSize()

◆ setTextWrap()

◆ width()

◆ write()

Member Data Documentation

◆ _CurrentFontheight

◆ _CurrentFontLength

◆ _CurrentFontoffset

◆ _CurrentFontWidth

◆ _cursorX

◆ _cursorY

◆ _FontNumber

◆ _height

◆ _textBgColor

◆ _textColor

◆ _textSize

◆ _textWrap

◆ _width

◆ drawBitmapAddr

◆ HEIGHT

◆ LCD_rotate

◆ WIDTH