gva::ScreenGva Class Reference

Class definition of the ScreenGva. More...

#include <screen_gva.h>

Inheritance diagram for gva::ScreenGva:

Collaboration diagram for gva::ScreenGva:

Public Member Functions
	ScreenGva (Screen *screen, uint32_t width, uint32_t height)
ScreenGva &	operator= (const ScreenGva &a)=delete
	Construct a new Screen Gva object.
	ScreenGva (const ScreenGva &Other)=default
	Construct a new Screen Gva object.
	~ScreenGva () final
GvaStatusTypes	Update ()
void	StartClock (std::shared_ptr< WidgetX > status_bar_widget)
void	ResetWidgets () const
WidgetX *	GetWidget (widget::WidgetEnum widget)
Public Member Functions inherited from gva::RendererGva
	RendererGva (uint32_t width, uint32_t height)
	Construct a new Renderer Gva object.
	~RendererGva () override=default
	Destroy the Renderer Gva object.
void	DrawLabels (char *text, uint32_t fontSize, uint32_t x, uint32_t y)
	Draw all the labels on the screen.
void	DrawFunctionLabels (uint32_t x, const std::array< FunctionKeys::Labels, 6 > &labels)
	Draw all the labels on the screen.
void	DrawTopLabels (uint32_t y, const std::array< FunctionSelect::Labels, 8 > &labels)
	Draw the labels on the top of the screen.
void	DrawControlLabels (const uint32_t y, const std::array< CommonTaskKeys::Labels, 8 > &labels)
	Draw the control labels on the bottom of the screen.
void	DrawIcon (widget::IconType icon, uint32_t x, uint32_t y, uint32_t width, uint32_t height)
	Draw an icon.
void	DrawButton (const std::string &keytext, uint32_t fontSize, uint32_t x, uint32_t y, uint32_t size)
	Draw keyboard buttons.
void	DrawButton (const std::string &key_text, uint32_t font_size, uint32_t x, uint32_t y, uint32_t height, uint32_t width, widget::CellAlignType align)
	Draw keyboard buttons.
TouchGva *	GetTouch ()
	Get the Touch object.
Public Member Functions inherited from gva::RendererCairo
	RendererCairo (uint32_t width, uint32_t height)
	Construct a new Renderer Cairo object.
	~RendererCairo () override
	Destroy the Renderer Cairo object.
HandleType *	Init (uint32_t width, uint32_t height, bool fullscreen=false)
	Initalise the renderer with display parameters.
void	SetPixel (uint32_t x, uint32_t y) override
void	SetColour (uint8_t red, uint8_t green, uint8_t blue) override
	Set the Colour object.
void	SetColour (uint32_t rgb)
	Set the Colour object.
void	SetColourForeground (ColourType colour)
	Set the Colour Foreground object.
void	SetColourForeground (uint8_t red, uint8_t green, uint8_t blue) override
	Set the Colour Foreground object.
void	SetColourForeground (uint32_t rgb)
	Set the Colour Foreground object.
void	SetColourBackground (ColourType colour)
	Set the Colour Background attribute.
void	SetColourBackground (uint8_t red, uint8_t green, uint8_t blue) override
	Set the Colour Background object.
void	SetColourBackground (uint32_t rgb)
	Set the Colour Background object.
void	SetLineType (uint32_t type)
	Set the Line Type object.
void	SetLineThickness (uint32_t thickness, LineType fill)
	Set the Line Thickness object.
void	SetLineThickness (uint32_t thickness, LineType fill, LineCapEnd end)
	Set the Line Thickness object.
uint32_t	MovePen (int32_t x, int32_t y)
uint32_t	DrawPen (uint32_t x, uint32_t y, bool close)
uint32_t	DrawPen (uint32_t x, uint32_t y)
uint32_t	MovePenRaw (int32_t x, int32_t y)
uint32_t	DrawPenRaw (int32_t x, int32_t y)
void	DrawArcRaw (uint32_t x, uint32_t y, uint32_t radius, uint32_t angle1, uint32_t angle2)
uint32_t	DrawLine (uint32_t x1, uint32_t y1, uint32_t x2, uint32_t y2) override
void	Save ()
	Save the current state of the renderer.
void	Restore ()
	Restore the last saved state of the renderer.
void	Scale (double x, double y)
	Scale the renderer.
void	Translate (uint32_t x, uint32_t y)
	Translate the renderer.
void	Rotate (double radians)
	Rotate the renderer.
uint32_t	ClosePath (bool fill)
	Close drawing path.
void	DrawCircle (uint32_t x, uint32_t y, uint32_t radius, bool fill) override
	Draw a circle.
void	DrawRectangle (uint32_t x, uint32_t y, uint32_t width, uint32_t height, bool fill) override
	Draw a rectangle.
void	DrawRoundedRectangle (uint32_t x, uint32_t y, uint32_t width, uint32_t height, uint32_t corner, bool fill)
	Draw a rounded rectangle.
void	DrawTriangle (uint32_t x1, uint32_t y1, uint32_t x2, uint32_t y2, uint32_t x3, uint32_t y3, bool fill)
	Draw a triangle.
uint32_t	DrawColor (ColourType colour)
	Set the Colour object to draw with.
uint32_t	DrawColor (uint8_t r, uint8_t g, uint8_t b) override
	Set the Colour object to draw with.
uint32_t	CurveTo (uint32_t x1, uint32_t y1, uint32_t x2, uint32_t y2, uint32_t x3, uint32_t y3)
	Adds a cubic Bézier spline to the path from the current point to position (x3 , y3 ) in user-space coordinates, using (x1 , y1 ) and (x2 , y2 ) as the control points. After this call the current point will be (x3 , y3 ).
uint32_t	DrawColor (uint32_t rgb)
	Set the draw colour.
void	SetTextFont (uint32_t slope, widget::WeightType weight, std::string_view font_name, double size)
	Set the Text Font object.
void	Push ()
	Push the current state of the renderer.
void	Pop ()
	Pop the last saved state of the renderer.
uint32_t	GetTextWidth (std::string_view str, uint32_t fontSize) const
	Get the Text Width object.
uint32_t	GetTextHeight (std::string_view str, uint32_t fontSize) const
	Get the Text Height object.
void	DrawString (uint32_t x, uint32_t y, std::string_view text)
	Draw some text on the screen.
void	DrawLabel (uint32_t x, uint32_t y, std::string_view text)
	Draw an on screen label.
void	DrawTextCentre (uint32_t x, std::string_view text, uint32_t size)
	Draw some text on the screen and centre it.
uint32_t	TextureRGB (uint32_t x, uint32_t y, unsigned char *buffer, std::string_view file) override
	Set a texture (file) to use as a bitmap.
uint32_t	TextureRGB (uint32_t x, uint32_t y, unsigned char *buffer)
	Set a texture (file) to use as a bitmap.
uint32_t	TextureRGB (uint32_t x, uint32_t y, cairo_surface_t *surface)
	Set a texture (cairo surface) to use as a bitmap.
void	Draw ()
	Redraw the screen.
void	Reset ()
	Redraw the screen.
void	SetHeight (uint32_t height) const
	Set the Height object.
void	SetWidth (uint32_t width) const
	Set the Width object.
uint32_t	GetHeight () const
	Get the Height object.
uint32_t	GetWidth () const
	Get the Width object.
void	SetSurface (cairo_surface_t *surface)
	Set the Surface attribute, used by application.
void	DrawSurface (cairo_t *cr)
	Draw the new cairo surface to the screen.
void	Configure (uint32_t height, uint32_t width)
	Configure the surface to use new dimensions.
Public Member Functions inherited from gva::Renderer
	Renderer (uint32_t width, uint32_t height)
	Construct a new Renderer object.
virtual	~Renderer ()=default
	Destroy the Renderer object.
uint32_t	UnpackRed (uint32_t rgb) const
	Unpack a red value.
uint32_t	UnpackGreen (uint32_t rgb) const
	Unpack a green value.
uint32_t	UnpackBlue (uint32_t rgb) const
	Unpack a blue value.
RgbUnpackedType	UnpackRgb (uint64_t rgb) const
	Unpack red, green and blue values.

Static Public Member Functions
static void	ClockUpdateThread (ClockArgs *arg)
Static Public Member Functions inherited from gva::RendererCairo
static void	DestroySurface ()
	Destroy the current cairo surface, usually called during shutdown.
Static Public Member Functions inherited from gva::Renderer
static uint32_t	GetWidth ()
	Get the Width attribute.
static uint32_t	GetHeight ()
	Get the Height attribute.
static void	SetWidth (uint32_t width)
	Set the Width attribute.
static void	SetHeight (uint32_t height)
	Set the Height attribute.
static uint32_t	PackRgb (ColourType colour)
	Pack the colour to RGB.
static uint32_t	PackRgb (uint8_t r, uint8_t g, uint8_t b)
	Pack three red, green, blue values.

Static Public Attributes
static ClockArgs	args_ = {}
	The arguments for the clock thread.
Static Public Attributes inherited from gva::RendererCairo
static HandleType	render_
	Class definition of the HandleType.

Additional Inherited Members
Static Protected Attributes inherited from gva::Renderer
static uint32_t	height_ = kMinimumHeight
	The height of the renderer.
static uint32_t	width_ = kMinimumWidth
	The width of the renderer.

Detailed Description

Class definition of the ScreenGva.

Constructor & Destructor Documentation

ScreenGva() [1/2]

gva::ScreenGva::ScreenGva	(	Screen *	screen,
		uint32_t	width,
		uint32_t	height
	)

Construct a new Screen Gva object

Parameters

screen
width
height

ScreenGva() [2/2]

gva::ScreenGva::ScreenGva ( const ScreenGva &  Other )

default

Construct a new Screen Gva object.

Parameters

Other

The object to copy

~ScreenGva()

gva::ScreenGva::~ScreenGva ( )

final

Destroy the Screen Gva object

Member Function Documentation

ClockUpdateThread()

void gva::ScreenGva::ClockUpdateThread ( ClockArgs *  arg )

static

The thread that reads and updates the clock and status bar info

Parameters

arg	status bar arguments

Returns

void*

GetWidget()

WidgetX * gva::ScreenGva::GetWidget

(

widget::WidgetEnum

widget

)

Get the Widget object

Parameters

widget

Returns

WidgetX*

operator=()

ScreenGva & gva::ScreenGva::operator= ( const ScreenGva &  a )

delete

Construct a new Screen Gva object.

Parameters

a	The argument to copy

Returns

ScreenGva&

ResetWidgets()

void gva::ScreenGva::ResetWidgets

(

)

const

Reset the all the widgets to not be visible

Returns

WidgetX*

Iterate over all widgets and draw the visible ones

StartClock()

void gva::ScreenGva::StartClock

(

std::shared_ptr< WidgetX >

status_bar_widget

)

Start the clock thread running to update the clock (pthread started)

Parameters

status_bar_widget

the widget to update

Update()

GvaStatusTypes gva::ScreenGva::Update

(

)

Redraw the screen

Returns

GvaStatusTypes Status

Iterate over all widgets and draw the visible ones

---

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

• src/hmicore/screen_gva.h
• src/hmicore/screen_gva.cc