Graphics class to hold graphic related functions for 1-bit displays. More...

#include <bicolor_graphics_RDL.hpp>

Inheritance diagram for bicolor_graphics:

[legend]

Public Types
enum	displayBC_rotate_e : uint8_t { BC_Degrees_0 = 0 , BC_Degrees_90 = 1 , BC_Degrees_180 = 2 , BC_Degrees_270 = 3 }

enum	pixel_color_e : uint8_t { WHITE = 0 , BLACK = 1 , INVERSE = 2 }

Public Types inherited from Print
enum	BaseNum : uint8_t { RDL_DEC = 10 , RDL_HEX = 16 , RDL_OCT = 8 , RDL_BIN = 2 }

Public Member Functions
	bicolor_graphics (int16_t w, int16_t h)
	init the Display Graphics class object

virtual void	drawPixel (int16_t x, int16_t y, uint8_t color)=0
	define in the sub class

rdlib::Return_Codes_e	drawDotGrid (int16_t x, int16_t y, int16_t w, int16_t h, uint8_t DotGridGap, uint8_t color)
	Draws a grid of dots on the screen starting from the given coordinates. This function draws a grid of pixels with a specified gap between them. It checks that the provided coordinates and dimensions are within the screen bounds and adjusts them if necessary. It also validates The grid of dots gap value and defaults it to 2 if invalid.

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).

rdlib::Return_Codes_e	drawFastVLine (int16_t x, int16_t y, int16_t h, uint8_t color)
	Draws a vertical line starting at (x,y) with height h.

rdlib::Return_Codes_e	drawFastHLine (int16_t x, int16_t y, int16_t w, uint8_t color)
	Draws a horizontal line starting at (x,y) with width w.

void	drawLineAngle (int16_t x, int16_t y, int angle, uint8_t start, uint8_t length, int offset, uint8_t color)
	Draws a line using an angle and length as parameters. This function draws a line starting from `(x, y)`, extending in the direction specified by `angle`, with a given `length`. The function also allows applying an `offset` to the angle before computing the line’s end coordinates.

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.

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.

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

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.

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.

void	drawEllipse (int16_t cx, int16_t cy, int16_t semiMajorAxis, int16_t semiMinorAxis, bool fill, uint8_t color)
	Draw an ellipse on the display. This function uses the midpoint ellipse algorithm to efficiently draw an ellipse centered at (cx, cy) with the given semi-major (horizontal) and semi-minor (vertical) axes.

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).

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).

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

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.

void	drawQuadrilateral (int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3, uint8_t color)
	Draws a quadrilateral (four-sided polygon) by connecting four points with lines. This function draws a quadrilateral by drawing four lines between the given vertices. The lines are drawn in the order: (x0, y0) to (x1, y1), (x1, y1) to (x2, y2), (x2, y2) to (x3, y3), and finally (x3, y3) back to (x0, y0).

void	fillQuadrilateral (int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3, uint8_t color, bool useTriangleSplit=true)
	Fills a quadrilateral with the specified color using triangles. This function fills a quadrilateral by dividing it into triangles and filling them individually. The quadrilateral is filled by calling the `fillTriangle` function three times with appropriate vertex coordinates. The `useTriangleSplit` parameter determines whether the quadrilateral is divided into two triangles or if only one triangle is used.

rdlib::Return_Codes_e	drawPolygon (int16_t x, int16_t y, uint8_t sides, int16_t diameter, float rotation, bool fill, uint8_t color)
	Draws a polygon with a specified number of sides, diameter, rotation, and color. This function draws a regular polygon by connecting points equally spaced around a circle, with each point having a distance defined by the diameter. The polygon is rotated by the given angle (in degrees) before being drawn. The number of sides is enforced to be at least 3.

void	drawArc (uint16_t cx, uint16_t cy, uint16_t radius, uint16_t thickness, float startAngle, float endAngle, uint8_t color)
	Draw an arc on the TFT display. This function draws an arc between two angles (start and end) on a circle with a given radius.

void	drawSimpleArc (int16_t cx, int16_t cy, int16_t radius, float startAngle, float endAngle, uint8_t color)
	Draw a simple arc of one pixel on the display( no offsets , thickness or maximum arc calculations) This function draws an arc between two angles (start and end) on a circle with a given radius.

float	getArcAngleMax () const
	Get the current maximum angle of the arc.

void	setArcAngleMax (float arcAngleMax)
	Set a new maximum angle for the arc.

int	getArcAngleOffset () const
	Get the current angle offset.

void	setArcAngleOffset (int arcAngleOffset)
	Set a new angle offset.

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

void	setRotation (displayBC_rotate_e m)
	Sets the _rotation of the display.

displayBC_rotate_e	getRotation ()
	Gets the _rotation of the display.

int16_t	height (void) const
	Gets the height of the display (per current _rotation)

int16_t	width (void) const
	Gets the width of the display (per current _rotation)

virtual size_t	write (uint8_t) override
	write method used in the print class when user calls print

rdlib::Return_Codes_e	writeChar (int16_t x, int16_t y, char value)
	Write 1 character on display.

rdlib::Return_Codes_e	writeCharString (int16_t x, int16_t y, char *text)
	Write Text character array on Display.

void	setTextWrap (bool w)
	turn on or off screen wrap of the text

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

rdlib::Return_Codes_e	drawBitmap (int16_t x, int16_t y, const std::span< const uint8_t > bitmap, int16_t w, int16_t h, uint8_t color, uint8_t bg)
	Draw a 1-bit color bitmap.

Public Member Functions inherited from display_Fonts
	display_Fonts ()
	init the OLED font class object constructor

rdlib::Return_Codes_e	setFont (display_Font_name_e)
	SetFont.

void	setInvertFont (bool invertStatus)
	setInvertFont

bool	getInvertFont (void)
	getInvertFont

Public Member Functions inherited from Print
int	getWriteError ()
	gets the error flag status, zero no error

void	clearWriteError ()
	clears the error flag by setting it to zero

virtual size_t	write (const uint8_t *buffer, size_t size)
	define in the sub class

size_t	write (const char *str)
	Writes a string to the output.

size_t	write (const char *buffer, size_t size)
	Writes a buffer of a specified size to the output.

virtual int	availableForWrite ()
	define in the sub class

size_t	print (const char[])
	print an array

size_t	print (char)
	print an character

size_t	print (int, int=RDL_DEC)
	print an integer of base number system

size_t	print (unsigned int, int=RDL_DEC)
	print an unsigned integer of base number system

size_t	print (long, int=RDL_DEC)
	print an long integer of base number system

size_t	print (unsigned long, int=RDL_DEC)
	print an unsigned long integer of base number system

size_t	print (double, int=2)
	print an double

size_t	print (const std::string &)
	print an C++ string object

size_t	println (const char[])
	Prints a character array followed by a newline.

size_t	println (char)
	print an character followed by new line

size_t	println (int, int=RDL_DEC)
	print an integer of base number system followed by new line

size_t	println (unsigned int, int=RDL_DEC)
	print an unsigned integer of base number system followed by new line

size_t	println (long, int=RDL_DEC)
	print an long integer of base number system followed by new line

size_t	println (unsigned long, int=RDL_DEC)
	print an unsigned long integer of base number system followed by new line

size_t	println (double, int=2)
	print an double

size_t	println (void)
	Goto to new line.

size_t	println (const std::string &s)
	print an C++ string object followed by new line

template<typename T >
size_t	print (const std::vector< T > &v, int format=defaultFormat< T >())
	Print a vector of any type.

template<typename T >
size_t	println (const std::vector< T > &vec, int format=defaultFormat< T >())
	Print a vector of elements followed by a newline.

template<typename T , size_t N>
size_t	print (const std::array< T, N > &arr, int format=defaultFormat< T >())
	Print a std::array of any type.

template<typename T , size_t N>
size_t	println (const std::array< T, N > &arr, int format=defaultFormat< T >())
	Print a std::array of elements followed by a newline.

Protected Attributes
displayBC_rotate_e	_display_rotate = BC_Degrees_0

const int16_t	WIDTH

const int16_t	HEIGHT

int16_t	_width

int16_t	_height

int16_t	_cursor_x

int16_t	_cursor_y

float	_arcAngleMax = 360.0f

int	_arcAngleOffset = 0

bool	_textwrap = true

Protected Attributes inherited from display_Fonts
std::span< const uint8_t >	_FontSelect = pFontDefault

uint8_t	_Font_X_Size = 0x08

uint8_t	_Font_Y_Size = 0x08

uint8_t	_FontOffset = 0x20

uint8_t	_FontNumChars = 0x5F

Private Attributes
bool	_drawBitmapAddr

Additional Inherited Members
Protected Member Functions inherited from Print
void	setWriteError (int err=0)

Detailed Description

Graphics class to hold graphic related functions for 1-bit displays.

Member Enumeration Documentation

◆ displayBC_rotate_e

enum bicolor_graphics::displayBC_rotate_e : uint8_t

Enum to hold current screen rotation in degrees bi color display

Enumerator
BC_Degrees_0	display screen rotated 0 degrees
BC_Degrees_90	display screen rotated 90 degrees
BC_Degrees_180	display screen rotated 180 degrees
BC_Degrees_270	display screen rotated 270 degrees

◆ pixel_color_e

enum bicolor_graphics::pixel_color_e : uint8_t

Pixel color

Enumerator
WHITE	pixel color for background
BLACK	pixel color for foreground
INVERSE	inverted pixel color

Constructor & Destructor Documentation

◆ bicolor_graphics()

bicolor_graphics::bicolor_graphics	(	int16_t	w,
		int16_t	h
	)

init the Display Graphics class object

Parameters

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

Member Function Documentation

◆ drawArc()

void bicolor_graphics::drawArc	(	uint16_t	cx,
		uint16_t	cy,
		uint16_t	radius,
		uint16_t	thickness,
		float	startAngle,
		float	endAngle,
		uint8_t	color
	)

Draw an arc on the TFT display. This function draws an arc between two angles (start and end) on a circle with a given radius.

Parameters

cx	X-coordinate of the center of the circle.
cy	Y-coordinate of the center of the circle.
radius	The radius of the circle.
thickness	the thickness of the arc
startAngle	The starting angle of the arc (in degrees).
endAngle	The ending angle of the arc (in degrees).
color	The color of the arc.

Note: variables _arcAngleMax and _arcAngleOffset which can be set by user with setters define behaviour of arc. _arcAngleOffset is zero default means 0 is positive X axis , Arc is drawn counterclockwise XXX 270 XXX 180 XXX 000 XXX 090 XXX

◆ drawBitmap()

rdlib::Return_Codes_e bicolor_graphics::drawBitmap	(	int16_t	x,
		int16_t	y,
		const std::span< 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	span to bitmap data
w	width of the bitmap
h	height of the bitmap
color	foreground colour
bg	background colour.

Returns: Will return true for success, false for failure Failure could be out of bounds , wrong size , invalid pointer object.

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 wh=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.

◆ drawCircle()

void bicolor_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

◆ drawDotGrid()

rdlib::Return_Codes_e bicolor_graphics::drawDotGrid	(	int16_t	x,
		int16_t	y,
		int16_t	w,
		int16_t	h,
		uint8_t	DotGridGap,
		uint8_t	color
	)

Draws a grid of dots on the screen starting from the given coordinates. This function draws a grid of pixels with a specified gap between them. It checks that the provided coordinates and dimensions are within the screen bounds and adjusts them if necessary. It also validates The grid of dots gap value and defaults it to 2 if invalid.

Parameters

x	The x-coordinate of the top-left corner where The grid of dots will start.
y	The y-coordinate of the top-left corner where The grid of dots will start.
w	The width of the area to draw The grid of dots, from the starting x-coordinate.
h	The height of the area to draw The grid of dots, from the starting y-coordinate.
DotGridGap	The gap between each dot gap line, controlling the spacing between drawn pixels.
color	The color of the pixels to draw in The grid of dots.

Returns

rdlib::Return_Codes_e Returns a status code indicating success or failure. Possible return values:

rdlib::Success: The grid of dots was successfully drawn.
rdlib::ShapeScreenBounds: The provided coordinates or dimensions are out of screen bounds.

◆ drawEllipse()

void bicolor_graphics::drawEllipse	(	int16_t	cx,
		int16_t	cy,
		int16_t	semiMajorAxis,
		int16_t	semiMinorAxis,
		bool	fill,
		uint8_t	color
	)

Draw an ellipse on the display. This function uses the midpoint ellipse algorithm to efficiently draw an ellipse centered at (cx, cy) with the given semi-major (horizontal) and semi-minor (vertical) axes.

Parameters

cx	X-coordinate of the ellipse center.
cy	Y-coordinate of the ellipse center.
semiMajorAxis	Length of the semi-major axis (horizontal radius).
semiMinorAxis	Length of the semi-minor axis (vertical radius).
fill	if false draw Ellipse , if true fill it!
color	color value for the ellipse.

◆ drawFastHLine()

rdlib::Return_Codes_e bicolor_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

Returns

enum rdlib::Return_Codes_e

rdlib::Success for success
rdlib::ShapeScreenBounds Error

◆ drawFastVLine()

rdlib::Return_Codes_e bicolor_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

Returns

enum rdlib::Return_Codes_e

rdlib::Success for success
rdlib::ShapeScreenBounds Error

◆ drawLine()

void bicolor_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

◆ drawLineAngle()

void bicolor_graphics::drawLineAngle	(	int16_t	x,
		int16_t	y,
		int	angle,
		uint8_t	start,
		uint8_t	length,
		int	offset,
		uint8_t	color
	)

Draws a line using an angle and length as parameters. This function draws a line starting from (x, y), extending in the direction specified by angle, with a given length. The function also allows applying an offset to the angle before computing the line’s end coordinates.

Parameters

x	The starting x-coordinate (horizontal position).
y	The starting y-coordinate (vertical position).
angle	The angle (in degrees) at which the line is drawn.
start	calculates a new starting position by moving start units along the given angle.
length	The length of the line.
offset	An additional offset applied to the angle before calculating the endpoint.
color	The color of the line

◆ drawPixel()

virtual void bicolor_graphics::drawPixel	(	int16_t	x,
		int16_t	y,
		uint8_t	color
	)

pure virtual

define in the sub class

Implemented in NOKIA_5110_RPI, SH110X_RDL, SSD1306_RDL, ERMCH1115, and ERM19264_UC1609.

◆ drawPolygon()

rdlib::Return_Codes_e bicolor_graphics::drawPolygon	(	int16_t	x,
		int16_t	y,
		uint8_t	sides,
		int16_t	diameter,
		float	rotation,
		bool	fill,
		uint8_t	color
	)

Draws a polygon with a specified number of sides, diameter, rotation, and color. This function draws a regular polygon by connecting points equally spaced around a circle, with each point having a distance defined by the diameter. The polygon is rotated by the given angle (in degrees) before being drawn. The number of sides is enforced to be at least 3.

Parameters

x	The x-coordinate of the center of the polygon.
y	The y-coordinate of the center of the polygon.
sides	The number of sides the polygon will have. Must be at least 3.
diameter	The diameter of the circle inscribed by the polygon.
rotation	The angle (in degrees) by which to rotate the polygon.
fill	if false draw ,if true fill
color	The color of the polygon edges.

Returns: error code GenericError , if user inputs incorrect sides value

◆ drawQuadrilateral()

void bicolor_graphics::drawQuadrilateral	(	int16_t	x0,
		int16_t	y0,
		int16_t	x1,
		int16_t	y1,
		int16_t	x2,
		int16_t	y2,
		int16_t	x3,
		int16_t	y3,
		uint8_t	color
	)

Draws a quadrilateral (four-sided polygon) by connecting four points with lines. This function draws a quadrilateral by drawing four lines between the given vertices. The lines are drawn in the order: (x0, y0) to (x1, y1), (x1, y1) to (x2, y2), (x2, y2) to (x3, y3), and finally (x3, y3) back to (x0, y0).

Parameters

x0	The x-coordinate of the first vertex.
y0	The y-coordinate of the first vertex.
x1	The x-coordinate of the second vertex.
y1	The y-coordinate of the second vertex.
x2	The x-coordinate of the third vertex.
y2	The y-coordinate of the third vertex.
x3	The x-coordinate of the fourth vertex.
y3	The y-coordinate of the fourth vertex.
color	The 565 color used to draw the lines of the quadrilateral.

◆ drawRect()

void bicolor_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 bicolor_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

◆ drawSimpleArc()

void bicolor_graphics::drawSimpleArc	(	int16_t	cx,
		int16_t	cy,
		int16_t	radius,
		float	startAngle,
		float	endAngle,
		uint8_t	color
	)

Draw a simple arc of one pixel on the display( no offsets , thickness or maximum arc calculations) This function draws an arc between two angles (start and end) on a circle with a given radius.

Parameters

cx	X-coordinate of the center of the circle.
cy	Y-coordinate of the center of the circle.
radius	The radius of the circle.
startAngle	The starting angle of the arc (in degrees).
endAngle	The ending angle of the arc (in degrees).
color	The color of the arc.

0 degree is positive X axis , arc is drawn counterclockwise

◆ drawTriangle()

void bicolor_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 bicolor_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

◆ fillQuadrilateral()

void bicolor_graphics::fillQuadrilateral	(	int16_t	x0,
		int16_t	y0,
		int16_t	x1,
		int16_t	y1,
		int16_t	x2,
		int16_t	y2,
		int16_t	x3,
		int16_t	y3,
		uint8_t	color,
		bool	useTriangleSplit = `true`
	)

Fills a quadrilateral with the specified color using triangles. This function fills a quadrilateral by dividing it into triangles and filling them individually. The quadrilateral is filled by calling the fillTriangle function three times with appropriate vertex coordinates. The useTriangleSplit parameter determines whether the quadrilateral is divided into two triangles or if only one triangle is used.

Parameters

x0	The x-coordinate of the first vertex.
y0	The y-coordinate of the first vertex.
x1	The x-coordinate of the second vertex.
y1	The y-coordinate of the second vertex.
x2	The x-coordinate of the third vertex.
y2	The y-coordinate of the third vertex.
x3	The x-coordinate of the fourth vertex.
y3	The y-coordinate of the fourth vertex.
color	The color used to fill the quadrilateral.
useTriangleSplit	A boolean flag that determines whether the quadrilateral should be divided into two or three triangles.

◆ fillRect()

void bicolor_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 bicolor_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 bicolor_graphics::fillScreen ( uint8_t color )

Fills the whole screen with a given color.

Parameters

color color to fill screen

◆ fillTriangle()

void bicolor_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

◆ getArcAngleMax()

float bicolor_graphics::getArcAngleMax ( ) const

Get the current maximum angle of the arc.

Returns: The current maximum angle in degrees.

◆ getArcAngleOffset()

int bicolor_graphics::getArcAngleOffset ( ) const

Get the current angle offset.

Returns: The current angle offset in degrees.

◆ getRotation()

bicolor_graphics::displayBC_rotate_e bicolor_graphics::getRotation ( void )

Gets the _rotation of the display.

Returns: _rotation value enum

◆ height()

int16_t bicolor_graphics::height ( void ) const

Gets the height of the display (per current _rotation)

Returns: height member of display in pixels

◆ setArcAngleMax()

void bicolor_graphics::setArcAngleMax ( float arcAngleMax )

Set a new maximum angle for the arc.

Parameters

arcAngleMax The new maximum angle in degrees (should be positive).

◆ setArcAngleOffset()

void bicolor_graphics::setArcAngleOffset ( int arcAngleOffset )

Set a new angle offset.

Parameters

arcAngleOffset The new angle offset in degrees.

◆ setCursor()

void bicolor_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 bicolor_graphics::setDrawBitmapAddr ( bool 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

◆ setRotation()

void bicolor_graphics::setRotation ( displayBC_rotate_e CurrentRotation )

Sets the _rotation of the display.

Parameters

CurrentRotation value enum

◆ setTextWrap()

void bicolor_graphics::setTextWrap ( bool w )

turn on or off screen wrap of the text

Parameters

w TRUE on

◆ width()

int16_t bicolor_graphics::width ( void ) const

Gets the width of the display (per current _rotation)

Returns: width member of display in pixels

◆ write()

size_t bicolor_graphics::write ( uint8_t character )

overridevirtual

write method used in the print class when user calls print

Parameters

character the character to print

Returns

Will return

1. success
rdlib::Return_Codes_e enum error code An error in the writeChar method.

Implements Print.

◆ writeChar()

rdlib::Return_Codes_e bicolor_graphics::writeChar	(	int16_t	x,
		int16_t	y,
		char	value
	)

Write 1 character on display.

Parameters

x	character starting position on x-axis.
y	character starting position on x-axis.
value	Character to be written.

Note: Horizontal font addressing

Returns

Will return rdlib::Return_Codes_e enum

rdlib::Success success
rdlib::CharScreenBounds co-ords out of bounds check x and y
rdlib::CharFontASCIIRange Character out of ASCII Font bounds, check Font range

◆ writeCharString()

rdlib::Return_Codes_e bicolor_graphics::writeCharString	(	int16_t	x,
		int16_t	y,
		char *	pText
	)

Write Text character array on Display.

Parameters

x	character starting position on x-axis.
y	character starting position on y-axis.
pText	Pointer to the array of the text to be written.

Returns

Will return

rdlib::Success Success
rdlib::CharArrayNullptr String pText Array invalid pointer object
3 Failure in writeChar method upstream

Member Data Documentation

◆ _arcAngleMax

float bicolor_graphics::_arcAngleMax = 360.0f

protected

Maximum angle of Arc , used by drawArc

◆ _arcAngleOffset

int bicolor_graphics::_arcAngleOffset = 0

protected

used by drawArc, offset for adjusting the starting angle of arc. default positive X-axis (0°)

◆ _cursor_x

int16_t bicolor_graphics::_cursor_x

protected

Current X co-ord cursor position

◆ _cursor_y

int16_t bicolor_graphics::_cursor_y

protected

Current Y co-ord cursor position

◆ _display_rotate

displayBC_rotate_e bicolor_graphics::_display_rotate = BC_Degrees_0

protected

Enum to hold rotation

◆ _drawBitmapAddr

bool bicolor_graphics::_drawBitmapAddr

private

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

◆ _height

int16_t bicolor_graphics::_height

protected

Display h as modified by current _rotation

◆ _textwrap

bool bicolor_graphics::_textwrap = true

protected

If set, text at right edge of display will wrap, print method

◆ _width

int16_t bicolor_graphics::_width

protected

Display w as modified by current _rotation

◆ HEIGHT

const int16_t bicolor_graphics::HEIGHT

protected

This is the 'raw' display h - never changes

◆ WIDTH

const int16_t bicolor_graphics::WIDTH

protected

This is the 'raw' display w - never changes

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

Public Types

Public Member Functions

Protected Attributes

Private Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ displayBC_rotate_e

◆ pixel_color_e

Constructor & Destructor Documentation

◆ bicolor_graphics()

Member Function Documentation

◆ drawArc()

◆ drawBitmap()

◆ drawCircle()

◆ drawDotGrid()

◆ drawEllipse()

◆ drawFastHLine()

◆ drawFastVLine()

◆ drawLine()

◆ drawLineAngle()

◆ drawPixel()

◆ drawPolygon()

◆ drawQuadrilateral()

◆ drawRect()

◆ drawRoundRect()

◆ drawSimpleArc()

◆ drawTriangle()

◆ fillCircle()

◆ fillQuadrilateral()

◆ fillRect()

◆ fillRoundRect()

◆ fillScreen()

◆ fillTriangle()

◆ getArcAngleMax()

◆ getArcAngleOffset()

◆ getRotation()

◆ height()

◆ setArcAngleMax()

◆ setArcAngleOffset()

◆ setCursor()

◆ setDrawBitmapAddr()

◆ setRotation()

◆ setTextWrap()

◆ width()

◆ write()

◆ writeChar()

◆ writeCharString()

Member Data Documentation

◆ _arcAngleMax

◆ _arcAngleOffset

◆ _cursor_x

◆ _cursor_y

◆ _display_rotate

◆ _drawBitmapAddr

◆ _height

◆ _textwrap

◆ _width

◆ HEIGHT

◆ WIDTH