Generic screen virtual class. More...

#include <hV_Screen_Virtual.h>

Inheritance diagram for hV_Screen_Virtual:

[legend]

Public Member Functions
	hV_Screen_Virtual ()=default
	Constructor.

	~hV_Screen_Virtual ()=default
	Destructor.

virtual void	setMarginXY (uint16_t marginX=0, uint16_t marginY=0)=0
	Set margins for logical screen.

virtual uint16_t	screenMarginX ()=0
	Margin size, x-axis.

virtual uint16_t	screenMarginY ()=0
	Margin size, y-axis.

General
virtual void	begin ()=0
	Initialisation.

virtual STRING_TYPE	WhoAmI ()=0
	Request information about the screen.

virtual void	clear (uint16_t colour=myColours.black)=0
	Clear the screen.

virtual void	flush ()=0
	Send frame-buffer to display.

virtual void	setOrientation (uint8_t orientation)=0
	Set orientation.

virtual uint8_t	getOrientation ()=0
	Get orientation.

virtual uint16_t	screenSizeX ()=0
	Screen size, x-axis.

virtual uint16_t	screenSizeY ()=0
	Screen size, y-axis.

virtual uint16_t	screenDiagonal ()=0
	Screen size, diagonal.

virtual uint8_t	screenColourBits ()=0
	Screen colour depth.

Standard graphics
virtual void	circle (uint16_t x0, uint16_t y0, uint16_t radius, uint16_t colour)=0
	Draw circle.

virtual void	line (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t colour)=0
	Draw line, rectangle coordinates.

virtual void	setPenSolid (bool flag=true)=0
	Set pen opaque.

virtual bool	getPenSolid ()=0
	Get pen mode.

virtual void	triangle (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t x3, uint16_t y3, uint16_t colour)=0
	Draw triangle, rectangle coordinates.

virtual void	rectangle (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t colour)=0
	Draw rectangle, rectangle coordinates.

virtual void	roundedRectangle (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t radius, uint16_t colour)=0
	Draw rectangle, rectangle coordinates.

virtual void	point (uint16_t x1, uint16_t y1, uint16_t colour)=0
	Draw pixel.

Advanced graphics
virtual void	arc (uint16_t x0, uint16_t y0, uint16_t radius, uint16_t start, uint16_t end, uint16_t colour)=0
	Draw arc.

virtual void	level (uint16_t x0, uint16_t y0, uint16_t radius, uint16_t start, uint16_t end, uint16_t colour)=0
	Draw level in a circle.

virtual void	ring (uint16_t x0, uint16_t y0, uint16_t inner, uint16_t outer, uint16_t colour)=0
	Draw ring.

Vector coordinates
virtual void	dLine (uint16_t x0, uint16_t y0, uint16_t dx, uint16_t dy, uint16_t colour)=0
	Draw line, vector coordinates.

virtual void	dRectangle (uint16_t x0, uint16_t y0, uint16_t dx, uint16_t dy, uint16_t colour)=0
	Draw rectangle, vector coordinates.

virtual void	dRoundedRectangle (uint16_t x0, uint16_t y0, uint16_t dx, uint16_t dy, uint16_t radius, uint16_t colour)=0
	Draw rounded rectangle, vector coordinates.

Text
virtual void	setFontSolid (bool flag=true)=0
	Set transparent or opaque text.

virtual uint16_t	characterSizeX (uint8_t character=0x00)=0
	Character size, x-axis.

virtual uint16_t	characterSizeY ()=0
	Character size, y-axis.

virtual uint16_t	stringSizeX (STRING_CONST_TYPE text)=0
	String size, x-axis.

virtual uint8_t	stringLengthToFitX (STRING_CONST_TYPE text, uint16_t pixels)=0
	Number of characters to fit a size, x-axis.

virtual void	gText (uint16_t x0, uint16_t y0, STRING_CONST_TYPE text, uint16_t textColour=myColours.white, uint16_t backColour=myColours.black)=0
	Draw ASCII Text (pixel coordinates)

virtual void	selectFont (uint8_t font)=0
	Select font.

virtual uint8_t	getFont ()=0
	Get font number.

virtual uint8_t	fontMax ()=0
	Number of fonts.

Energy features
virtual bool	isEnergy ()=0
	Does the screen provide energy features?

virtual bool	isIntensity ()=0
	Is screen backlight variable?

virtual void	setBacklight (bool state)=0
	Turn display backlight on or off.

virtual void	setIntensity (uint8_t intensity)=0
	Set display backlight intensity.

virtual uint8_t	getIntensity ()=0
	Get display backlight intensity.

virtual void	setEnergy (uint32_t seconds=3)=0
	Set delay for power saving.

virtual void	updateEnergy (bool state)=0
	Update power saving.

Advanced features
virtual bool	isReadable ()=0
	Is screen readable?

virtual bool	isStorage ()=0
	Does the screen feature an external storage?

virtual uint16_t	readPixel (uint16_t x1, uint16_t y1)=0
	Read pixel colour.

virtual void	copyPasteArea (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t dx, uint16_t dy)=0
	Copy a source area to a target area.

virtual void	copyArea (uint16_t x0, uint16_t y0, uint16_t dx, uint16_t dy, uint32_t &address)=0
	Copy an area to an external support.

virtual void	pasteArea (uint16_t x0, uint16_t y0, uint16_t dx, uint16_t dy, uint32_t &address, bool option=false)=0
	Paste an area from an external support.

Fast area features
Specific to each controller
virtual bool	isArea ()=0
	Is area available?

virtual void	openArea (uint16_t x0, uint16_t y0, uint16_t dx, uint16_t dy)=0
	Open an area for fast sequential writing.

virtual void	feedArea (uint16_t colour)=0
	Feed the area with colour.

virtual void	closeArea ()=0
	Close the area previously opened.

Touch
virtual bool	isTouch ()=0
	Is touch available?

virtual bool	isTouchEvent ()=0
	Are touch events available?

virtual bool	getTouch (touch_t &touch)=0
	Poll touch.

virtual void	clearTouch ()=0
	Clear touch.

virtual void	calibrateTouch ()=0
	Calibrate the touch.

Detailed Description

Generic screen virtual class.

This class provides the virtual functions for the screens

Member Function Documentation

◆ arc()

virtual void hV_Screen_Virtual::arc	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	radius,
		uint16_t	start,
		uint16_t	end,
		uint16_t	colour )

pure virtual

Draw arc.

Parameters

x0	center, point coordinate, x-axis
y0	center, point coordinate, y-axis
radius	radius
start	starting angle, in degrees
end	ending angle, in degrees
colour	16-bit colour

Note: If ending angle < starting angle, then starting angle..360 and 0..starting angle arcs are drawn

Implemented in hV_Screen_Buffer.

◆ begin()

virtual void hV_Screen_Virtual::begin ( )

pure virtual

Initialisation.

Warning: Definition for this method is compulsory.

Implemented in hV_Screen_Buffer, and Screen_EPD.

◆ characterSizeX()

virtual uint16_t hV_Screen_Virtual::characterSizeX ( uint8_t character = 0x00 )

pure virtual

Character size, x-axis.

Parameters

character character to evaluate, default = 0 = font general size

Returns: horizontal size of the font for the specified character, in pixels

Note: With setSpaceX included; In variable font, each character has a specific size. The general size is indicative.; Previously fontSizeX()
More: Fonts

Implemented in hV_Screen_Buffer.

◆ characterSizeY()

virtual uint16_t hV_Screen_Virtual::characterSizeY ( )

pure virtual

Character size, y-axis.

Returns: vertical size for current font, in pixels

Note: Previously fontSizeY()
More: Fonts

Implemented in hV_Screen_Buffer.

◆ circle()

virtual void hV_Screen_Virtual::circle	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	radius,
		uint16_t	colour )

pure virtual

Draw circle.

Parameters

x0	center, point coordinate, x-axis
y0	center, point coordinate, y-axis
radius	radius
colour	16-bit colour

Implemented in hV_Screen_Buffer.

◆ clear()

virtual void hV_Screen_Virtual::clear ( uint16_t colour = myColours.black )

pure virtual

Clear the screen.

Parameters

colour 16-bit colour, default = black

Implemented in hV_Screen_Buffer, and Screen_EPD.

◆ copyArea()

virtual void hV_Screen_Virtual::copyArea	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	dx,
		uint16_t	dy,
		uint32_t &	address )

pure virtual

Copy an area to an external support.

Parameters

x0	source top left coordinate, x-axis
y0	source top left coordinate, y-axis
dx	width to be copied, x-axis
dy	height to be copied, y-axis
address	identifier, as SRAM address or file number

Note: This feature requires a readable screen and a storage.

More: Coordinates, Screen, Storage

Implemented in hV_Screen_Buffer.

◆ copyPasteArea()

virtual void hV_Screen_Virtual::copyPasteArea	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	x2,
		uint16_t	y2,
		uint16_t	dx,
		uint16_t	dy )

pure virtual

Copy a source area to a target area.

Parameters

x1	source top left coordinate, x-axis
y1	source top left coordinate, y-axis
x2	target top left coordinate, x-axis
y2	target top left coordinate, y-axis
dx	width to be copied, x-axis
dy	height to be copied, y-axis

Note: This feature requires a readable screen.

Warning: The function does not manage the overlapping of the source and target areas. If such a case, use copyArea() pasteArea() instead.

More: Coordinates, Screen

Implemented in hV_Screen_Buffer.

◆ dLine()

virtual void hV_Screen_Virtual::dLine	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	dx,
		uint16_t	dy,
		uint16_t	colour )

pure virtual

Draw line, vector coordinates.

Parameters

x0	point coordinate, x-axis
y0	point coordinate, y-axis
dx	length, x-axis
dy	height, y-axis
colour	16-bit colour

More: Coordinates, Colours

Implemented in hV_Screen_Buffer.

◆ dRectangle()

virtual void hV_Screen_Virtual::dRectangle	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	dx,
		uint16_t	dy,
		uint16_t	colour )

pure virtual

Draw rectangle, vector coordinates.

Parameters

x0	point coordinate, x-axis
y0	point coordinate, y-axis
dx	length, x-axis
dy	height, y-axis
colour	16-bit colour

More: Coordinates, Colours

Implemented in hV_Screen_Buffer.

◆ dRoundedRectangle()

virtual void hV_Screen_Virtual::dRoundedRectangle	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	dx,
		uint16_t	dy,
		uint16_t	radius,
		uint16_t	colour )

pure virtual

Draw rounded rectangle, vector coordinates.

Parameters

x0	point coordinate, x-axis
y0	point coordinate, y-axis
dx	length, x-axis
dy	height, y-axis
radius	radius for rounded corners, pixels
colour	16-bit colour

More: Coordinates, Colours

Implemented in hV_Screen_Buffer.

◆ feedArea()

virtual void hV_Screen_Virtual::feedArea ( uint16_t colour )

pure virtual

Feed the area with colour.

Maximum dx*dy pixels, no check

Parameters

colour 16-bit colour

Note: Pixels are displayed from left to right, top to bottom

More: Colours

Implemented in hV_Screen_Buffer.

◆ fontMax()

virtual uint8_t hV_Screen_Virtual::fontMax ( )

pure virtual

Number of fonts.

Returns: number of fonts available

Note: First font is numbered 0, second 1, ...
The latest font is numbered fontMax()-1

Implemented in hV_Screen_Buffer.

◆ getFont()

virtual uint8_t hV_Screen_Virtual::getFont ( )

pure virtual

Get font number.

Returns: Number of the font, 0..fontMax()-1

Warning: Definition for this method is compulsory.

Implemented in hV_Screen_Buffer.

◆ getIntensity()

virtual uint8_t hV_Screen_Virtual::getIntensity ( )

pure virtual

Get display backlight intensity.

Returns: intensity 0..255

Note: Feature specific to the SSD1963 and 4D Systems Diablo16

Implemented in hV_Screen_Buffer.

◆ getOrientation()

virtual uint8_t hV_Screen_Virtual::getOrientation ( )

pure virtual

Get orientation.

Returns

orientation orientation,

0 = default
1 = right rotated
2 = reverse default
3 = left rotated

Implemented in hV_Screen_Buffer.

◆ getPenSolid()

virtual bool hV_Screen_Virtual::getPenSolid ( )

pure virtual

Get pen mode.

Returns: true = solid or opaque pen, false = transparent pen

Implemented in hV_Screen_Buffer.

◆ getTouch()

virtual bool hV_Screen_Virtual::getTouch ( touch_t & touch )

pure virtual

Poll touch.

Parameters

[out] touch touch struture

Returns: true if touch pressed or moved

More: Coordinates, Touch

Implemented in hV_Screen_Buffer.

◆ gText()

virtual void hV_Screen_Virtual::gText	(	uint16_t	x0,
		uint16_t	y0,
		STRING_CONST_TYPE	text,
		uint16_t	textColour = myColours.white,
		uint16_t	backColour = myColours.black )

pure virtual

Draw ASCII Text (pixel coordinates)

Parameters

x0	point coordinate, x-axis
y0	point coordinate, y-axis
text	text string
textColour	16-bit colour, default = white
backColour	16-bit colour, default = black

More: Colours, Fonts

Implemented in hV_Screen_Buffer.

◆ isArea()

virtual bool hV_Screen_Virtual::isArea ( )

pure virtual

Is area available?

Returns: if area available, false otherwise

Implemented in hV_Screen_Buffer.

◆ isEnergy()

virtual bool hV_Screen_Virtual::isEnergy ( )

pure virtual

Does the screen provide energy features?

Returns: true is energy featured, false otherwise

More: Energy

Implemented in hV_Screen_Buffer.

◆ isIntensity()

virtual bool hV_Screen_Virtual::isIntensity ( )

pure virtual

Is screen backlight variable?

Returns: true is backlight variable, false otherwise

More: Screen

Implemented in hV_Screen_Buffer.

◆ isReadable()

virtual bool hV_Screen_Virtual::isReadable ( )

pure virtual

Is screen readable?

Returns: true is screen readable, false otherwise

More: Screen

Implemented in hV_Screen_Buffer.

◆ isStorage()

virtual bool hV_Screen_Virtual::isStorage ( )

pure virtual

Does the screen feature an external storage?

Returns: true is storage available, false otherwise

More: Storage

Implemented in hV_Screen_Buffer.

◆ isTouch()

virtual bool hV_Screen_Virtual::isTouch ( )

pure virtual

Is touch available?

Returns: true is touch available, false otherwise

Implemented in hV_Screen_Buffer.

◆ isTouchEvent()

virtual bool hV_Screen_Virtual::isTouchEvent ( )

pure virtual

Are touch events available?

Returns: true if touch events available, false otherwise

Implemented in hV_Screen_Buffer.

◆ level()

virtual void hV_Screen_Virtual::level	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	radius,
		uint16_t	start,
		uint16_t	end,
		uint16_t	colour )

pure virtual

Draw level in a circle.

Parameters

x0	center, point coordinate, x-axis
y0	center, point coordinate, y-axis
radius	radius
start	starting angle, in degrees
end	ending angle, in degrees
colour	16-bit colour

Note: Angles: 0 <= starting angle < ending angle <= 180

Implemented in hV_Screen_Buffer.

◆ line()

virtual void hV_Screen_Virtual::line	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	x2,
		uint16_t	y2,
		uint16_t	colour )

pure virtual

Draw line, rectangle coordinates.

Parameters

x1	top left coordinate, x-axis
y1	top left coordinate, y-axis
x2	bottom right coordinate, x-axis
y2	bottom right coordinate, y-axis
colour	16-bit colour

Implemented in hV_Screen_Buffer.

◆ openArea()

virtual void hV_Screen_Virtual::openArea	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	dx,
		uint16_t	dy )

pure virtual

Open an area for fast sequential writing.

Parameters

x0	source top left coordinate, x-axis
y0	source top left coordinate, y-axis
dx	target to be pasted, x-axis
dy	target to be pasted, y-axis

More: Coordinates

Implemented in hV_Screen_Buffer.

◆ pasteArea()

virtual void hV_Screen_Virtual::pasteArea	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	dx,
		uint16_t	dy,
		uint32_t &	address,
		bool	option = false )

pure virtual

Paste an area from an external support.

Parameters

x0	source top left coordinate, x-axis
y0	source top left coordinate, y-axis
dx	target to be pasted, x-axis
dy	target to be pasted, y-axis
address	identifier, as SRAM address or file number
option	false = default = original colours, true = halved colours

Note: This feature requires a readable screen and a storage.

More: Coordinates, Screen, Storage

Implemented in hV_Screen_Buffer.

◆ point()

virtual void hV_Screen_Virtual::point	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	colour )

pure virtual

Draw pixel.

Parameters

x1	point coordinate, x-axis
y1	point coordinate, y-axis
colour	16-bit colour

More: Coordinates, Colours

Implemented in hV_Screen_Buffer.

◆ readPixel()

virtual uint16_t hV_Screen_Virtual::readPixel	(	uint16_t	x1,
		uint16_t	y1 )

pure virtual

Read pixel colour.

Parameters

x1	point coordinate, x-axis
y1	point coordinate, y-axis

Returns: 16-bit colour, bits 15-11 red, bits 10-5 green, bits 4-0 blue

Note: This feature requires a readable screen.

More: Coordinates, Colours, Screen

Implemented in hV_Screen_Buffer.

◆ rectangle()

virtual void hV_Screen_Virtual::rectangle	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	x2,
		uint16_t	y2,
		uint16_t	colour )

pure virtual

Draw rectangle, rectangle coordinates.

Parameters

x1	top left coordinate, x-axis
y1	top left coordinate, y-axis
x2	bottom right coordinate, x-axis
y2	bottom right coordinate, y-axis
colour	16-bit colour

More: Coordinates, Colours

Implemented in hV_Screen_Buffer.

◆ ring()

virtual void hV_Screen_Virtual::ring	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	inner,
		uint16_t	outer,
		uint16_t	colour )

pure virtual

Draw ring.

Parameters

x0	center, point coordinate, x-axis
y0	center, point coordinate, y-axis
inner	inner radius
outer	outer radius
colour	16-bit colour

Note: inner radius < outer radius

Implemented in hV_Screen_Buffer.

◆ roundedRectangle()

virtual void hV_Screen_Virtual::roundedRectangle	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	x2,
		uint16_t	y2,
		uint16_t	radius,
		uint16_t	colour )

pure virtual

Draw rectangle, rectangle coordinates.

Parameters

x1	top left coordinate, x-axis
y1	top left coordinate, y-axis
x2	bottom right coordinate, x-axis
y2	bottom right coordinate, y-axis
radius	radius for rounded corners, pixels
colour	16-bit colour

More: Coordinates, Colours

Implemented in hV_Screen_Buffer.

◆ screenColourBits()

virtual uint8_t hV_Screen_Virtual::screenColourBits ( )

pure virtual

Screen colour depth.

Returns: colour depth, in bits

Note: Examples: BW=1, BWR=2, RGB565=16

Implemented in hV_Screen_Buffer.

◆ screenDiagonal()

virtual uint16_t hV_Screen_Virtual::screenDiagonal ( )

pure virtual

Screen size, diagonal.

Returns: diagonal size of the screen, in inches x 10

Note: 320 means 3.20"

Implemented in hV_Screen_Buffer.

◆ screenMarginX()

virtual uint16_t hV_Screen_Virtual::screenMarginX ( )

pure virtual

Margin size, x-axis.

Returns: x-axis size of the screen, in pixels

Implemented in hV_Screen_Buffer.

◆ screenMarginY()

virtual uint16_t hV_Screen_Virtual::screenMarginY ( )

pure virtual

Margin size, y-axis.

Returns: y-axis size of the screen, in pixels

Implemented in hV_Screen_Buffer.

◆ screenSizeX()

virtual uint16_t hV_Screen_Virtual::screenSizeX ( )

pure virtual

Screen size, x-axis.

Returns: x-axis size of the screen, in pixels

Note: 240 means 240 pixels and thus 0..239 coordinates (decimal)

Implemented in hV_Screen_Buffer.

◆ screenSizeY()

virtual uint16_t hV_Screen_Virtual::screenSizeY ( )

pure virtual

Screen size, y-axis.

Returns: y-axis size of the screen, in pixels

Note: 240 means 240 pixels and thus 0..239 coordinates (decimal)

Implemented in hV_Screen_Buffer.

◆ selectFont()

virtual void hV_Screen_Virtual::selectFont ( uint8_t font )

pure virtual

Select font.

Parameters

font	0..fontMax()-1, default = 0

Warning: Definition for this method is compulsory.

Note: Previously setFontSize()

Implemented in hV_Screen_Buffer.

◆ setBacklight()

virtual void hV_Screen_Virtual::setBacklight ( bool state )

pure virtual

Turn display backlight on or off.

Parameters

state true = HIGH = on, false = LOW = off

Note: Feature specific to the SSD1963

Implemented in hV_Screen_Buffer.

◆ setEnergy()

virtual void hV_Screen_Virtual::setEnergy ( uint32_t seconds = 3 )

pure virtual

Set delay for power saving.

Parameters

seconds idle period in seconds before power saving, default = 3 s

Note: Set seconds = 0 to disable; Feature specific to the SSD1963 and the Screen_EPD_FRAM

Implemented in hV_Screen_Buffer.

◆ setFontSolid()

virtual void hV_Screen_Virtual::setFontSolid ( bool flag = true )

pure virtual

Set transparent or opaque text.

Parameters

flag	default = 1 = opaque = solid, false = transparent

Warning: Definition for this method is compulsory.

Implemented in hV_Screen_Buffer.

◆ setIntensity()

virtual void hV_Screen_Virtual::setIntensity ( uint8_t intensity )

pure virtual

Set display backlight intensity.

Parameters

intensity 0..255

Note: Feature specific to the SSD1963 and 4D Systems Diablo16

Implemented in hV_Screen_Buffer.

◆ setMarginXY()

virtual void hV_Screen_Virtual::setMarginXY	(	uint16_t	marginX = 0,
		uint16_t	marginY = 0 )

pure virtual

Set margins for logical screen.

Parameters

marginX	x-axis margin in pixels
marginY	y-axis margin in pixels

Implemented in hV_Screen_Buffer.

◆ setOrientation()

virtual void hV_Screen_Virtual::setOrientation ( uint8_t orientation )

pure virtual

Set orientation.

Parameters

orientation

orientation,

0 = default
1 = right rotated
2 = reverse default
3 = left rotated
ORIENTATION_PORTRAIT = 6 = check portrait
ORIENTATION_LANDSCAPE = 7 = check landscape

Implemented in hV_Screen_Buffer.

◆ setPenSolid()

virtual void hV_Screen_Virtual::setPenSolid ( bool flag = true )

pure virtual

Set pen opaque.

Parameters

flag	default = true = opaque = solid, false = wire frame

Implemented in hV_Screen_Buffer.

◆ stringLengthToFitX()

virtual uint8_t hV_Screen_Virtual::stringLengthToFitX	(	STRING_CONST_TYPE	text,
		uint16_t	pixels )

pure virtual

Number of characters to fit a size, x-axis.

Parameters

text	string to evaluate
pixels	number of pixels to fit in

Returns: number of characters to be displayed inside the pixels
More: Fonts

Implemented in hV_Screen_Buffer.

◆ stringSizeX()

virtual uint16_t hV_Screen_Virtual::stringSizeX ( STRING_CONST_TYPE text )

pure virtual

String size, x-axis.

Parameters

text	string to evaluate

Returns: horizontal size of the string for current font, in pixels
More: Fonts

Implemented in hV_Screen_Buffer.

◆ triangle()

virtual void hV_Screen_Virtual::triangle	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	x2,
		uint16_t	y2,
		uint16_t	x3,
		uint16_t	y3,
		uint16_t	colour )

pure virtual

Draw triangle, rectangle coordinates.

Parameters

x1	first point coordinate, x-axis
y1	first point coordinate, y-axis
x2	second point coordinate, x-axis
y2	second point coordinate, y-axis
x3	third point coordinate, x-axis
y3	third point coordinate, y-axis
colour	16-bit colour

More: Coordinates, Colours

Implemented in hV_Screen_Buffer.

◆ updateEnergy()

virtual void hV_Screen_Virtual::updateEnergy ( bool state )

pure virtual

Update power saving.

Parameters

state true = update or start new period or false = check period

Note: Feature specific to the SSD1963

Implemented in hV_Screen_Buffer.

◆ WhoAmI()

virtual STRING_TYPE hV_Screen_Virtual::WhoAmI ( )

pure virtual

Request information about the screen.

Returns: string with hardware version

Warning: Definition for this method is compulsory.

Implemented in hV_Screen_Buffer, and Screen_EPD.

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

hV_Screen_Virtual.h

Public Member Functions

Detailed Description

Member Function Documentation

◆ arc()

◆ begin()

◆ characterSizeX()

◆ characterSizeY()

◆ circle()

◆ clear()

◆ copyArea()

◆ copyPasteArea()

◆ dLine()

◆ dRectangle()

◆ dRoundedRectangle()

◆ feedArea()

◆ fontMax()

◆ getFont()

◆ getIntensity()

◆ getOrientation()

◆ getPenSolid()

◆ getTouch()

◆ gText()

◆ isArea()

◆ isEnergy()

◆ isIntensity()

◆ isReadable()

◆ isStorage()

◆ isTouch()

◆ isTouchEvent()

◆ level()

◆ line()

◆ openArea()

◆ pasteArea()

◆ point()

◆ readPixel()

◆ rectangle()

◆ ring()

◆ roundedRectangle()

◆ screenColourBits()

◆ screenDiagonal()

◆ screenMarginX()

◆ screenMarginY()

◆ screenSizeX()

◆ screenSizeY()

◆ selectFont()

◆ setBacklight()

◆ setEnergy()

◆ setFontSolid()

◆ setIntensity()

◆ setMarginXY()

◆ setOrientation()

◆ setPenSolid()

◆ stringLengthToFitX()

◆ stringSizeX()

◆ triangle()

◆ updateEnergy()

◆ WhoAmI()