DC Class Reference

Device context. Abstraction layer to the device specific drawing code. Coordinates in drawing function are in window coordinate system that internaly translated into screen coordinate system. More...

#include <DC.h>

Public Types
enum	ScreenOrientation { Landscape, Portrate }

Public Member Functions
	DC (UTFT *lcd)
	Constructor for global context, that created only once in WindowsManager.
	DC ()
	Constructor that used locally. This constructor assumes that UTFT library is initialized already.
ScreenOrientation	ScreenOrientation ()
	Returns screen orientation vertical or horisontal.
int	DeviceWidth ()
	Returns screen width.
int	DeviceHeight ()
	Returns screen height.
void	Reset ()
	Resets device context into initial condition.
void	Offset (int offset_x, int offset_y)
	Initializes drawing coordinate system offset. More...
int	ToDC_X (int x)
	Converts x coordinate from window into screen coordinate system.
int	ToDC_Y (int y)
	Converts y coordinate from window into screen coordinate system.
void	Rectangle (int left, int top, int right, int bottom)
	Draws rectangle. Input coordinates have to be defined in the window coordinate system.
void	Rectangle3D (int left, int top, int right, int bottom, Color color1, Color color2)
	Draws rectangle with 3D border. Input coordinates have to be defined in the window coordinate system.
void	FillRect (int left, int top, int right, int bottom)
	Fills rectangle. Input coordinates have to be defined in the window coordinate system.
void	FillGradientRect (int left, int top, int right, int bottom, Color color1, Color color2)
	Fills rectangle with gradient color. Input coordinates have to be defined in the window coordinate system.
void	FillRoundRect (int left, int top, int right, int bottom)
	Fills rounded rectangle. Input coordinates have to be defined in the window coordinate system.
void	DrawRoundRect (int left, int top, int right, int bottom)
	Draws rounded rectangle. Input coordinates have to be defined in the window coordinate system.
void	DrawNumber (int number, int x, int y)
	Draws integer number. Input coordinates have to be defined in the window coordinate system.
void	DrawNumber (float number, int dec, int x, int y)
	Draws float number. Input coordinates have to be defined in the window coordinate system. More...
void	DrawText (const __FlashStringHelper *text, int x, int y)
	Draws PROGMEM string. Input coordinates have to be defined in the window coordinate system.
int	FontWidth ()
	Returns symbol width for the current font.
int	FontHeight ()
	Returns symbol jeight for the current font.
void	DrawSymbol (const char c, int dc_x, int dc_y)
	Draws symbol. Input coordinates have to be defined in the screen system.
void	DrawChar (const char c, int x, int y)
	Draws a character. Input coordinates have to be defined in the window coordinate system.
void	DrawCaret (int pos, int x, int y)
	Draw caret. Input coordinates have to be defined in the window coordinate system.
void	DrawText (const char *text, int x, int y)
void	Sector (int x0, int y0, int radius, float angle_rad)
	Draws sector. Input coordinates have to be defined in the window coordinate system.
void	SetDeviceColor (Color color)
void	SetColor (Color color)
void	SetBackColor (Color color)
void	SetFont (uint8_t *font)
void	MoveTo (int x, int y)
void	LineTo (int x, int y)
void	Line (int x1, int y1, int x2, int y2)

Detailed Description

Device context. Abstraction layer to the device specific drawing code. Coordinates in drawing function are in window coordinate system that internaly translated into screen coordinate system.

Member Function Documentation

void DC::DrawNumber ( float  number, int  dec, int  x, int  y  )

inline

Draws float number. Input coordinates have to be defined in the window coordinate system.

Parameters

number	float input value
dec	number decimal places

void DC::DrawText ( const char *  text, int  x, int  y  )

inline

Draws string. Input coordinates have to be defined in the window coordinate system Draws string. Input coordinates have to be defined in the window coordinate system

void DC::Offset ( int  offset_x, int  offset_y  )

inline

Initializes drawing coordinate system offset.

Parameters

offset_x	offset in x direction
offset_y	offset in y direction

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

• DC.h