Graphics library. More...

Data Structures
struct	twr_gfx_caps_t
	Display size. More...

struct	twr_gfx_driver_t
	Display driver interface. More...

struct	twr_gfx_t
	Instance. More...

Enumerations
enum	twr_gfx_rotation_t { TWR_GFX_ROTATION_0 = 0 , TWR_GFX_ROTATION_90 = 1 , TWR_GFX_ROTATION_180 = 2 , TWR_GFX_ROTATION_270 = 3 }
	Rotation. More...

enum	twr_gfx_round_corner_t { TWR_GFX_ROUND_CORNER_RIGHT_TOP = 0x01 , TWR_GFX_ROUND_CORNER_RIGHT_BOTTOM = 0x02 , TWR_GFX_ROUND_CORNER_LEFT_BOTTOM = 0x04 , TWR_GFX_ROUND_CORNER_LEFT_TOP = 0x08 }

Functions
void	twr_gfx_init (twr_gfx_t self, void display, const twr_gfx_driver_t *driver)
	Initialize button. More...

bool	twr_gfx_display_is_ready (twr_gfx_t *self)
	Check if display driver is ready for commands. More...

twr_gfx_caps_t	twr_gfx_get_caps (twr_gfx_t *self)
	Get Display capabilities. More...

void	twr_gfx_clear (twr_gfx_t *self)
	Clear. More...

void	twr_gfx_set_font (twr_gfx_t self, const twr_font_t font)
	Set font. More...

void	twr_gfx_set_rotation (twr_gfx_t *self, twr_gfx_rotation_t rotation)
	Set rotation. More...

twr_gfx_rotation_t	twr_gfx_get_rotation (twr_gfx_t *self)
	Get rotation. More...

void	twr_gfx_draw_pixel (twr_gfx_t *self, int x, int y, uint32_t color)
	Draw pixel. More...

int	twr_gfx_draw_char (twr_gfx_t *self, int left, int top, uint8_t ch, uint32_t color)
	Display draw char. More...

int	twr_gfx_calc_char_width (twr_gfx_t *self, uint8_t ch)
	Calc width character. More...

int	twr_gfx_draw_string (twr_gfx_t self, int left, int top, char str, uint32_t color)
	Display draw string. More...

int	twr_gfx_calc_string_width (twr_gfx_t self, char str)
	Calc width string. More...

int	twr_gfx_printf (twr_gfx_t self, int left, int top, uint32_t color, char format,...)
	Display string. More...

void	twr_gfx_draw_line (twr_gfx_t *self, int x0, int y0, int x1, int y1, uint32_t color)
	Display draw line. More...

void	twr_gfx_draw_rectangle (twr_gfx_t *self, int x0, int y0, int x1, int y1, uint32_t color)
	Display draw rectangle. More...

void	twr_gfx_draw_fill_rectangle (twr_gfx_t *self, int x0, int y0, int x1, int y1, uint32_t color)
	Display draw fill rectangle. More...

void	twr_gfx_draw_fill_rectangle_dithering (twr_gfx_t *self, int x0, int y0, int x1, int y1, uint32_t color)
	Display draw fill rectangle with a dithering pattern defined in the color parameter. More...

void	twr_gfx_draw_fill_rectangle_dithering_color (twr_gfx_t *self, int x0, int y0, int x1, int y1, uint16_t pattern, uint32_t color_fg, uint32_t color_bg)
	Display draw fill rectangle with a dithering pattern defined in the pattern parameter, with the support for multicolor dithering. More...

void	twr_gfx_draw_circle (twr_gfx_t *self, int x0, int y0, int radius, uint32_t color)
	Lcd draw circle, using Midpoint circle algorithm. More...

void	twr_gfx_draw_fill_circle (twr_gfx_t *self, int x0, int y0, int radius, uint32_t color)
	Lcd draw fill circle, using Midpoint circle algorithm. More...

void	twr_gfx_draw_round_corner (twr_gfx_t *self, int x0, int y0, int radius, twr_gfx_round_corner_t corner, uint32_t color)
	Lcd draw round corner, using Midpoint circle algorithm. More...

void	twr_gfx_draw_fill_round_corner (twr_gfx_t *self, int x0, int y0, int radius, twr_gfx_round_corner_t corner, uint32_t color)
	Lcd draw fill round corner, using Midpoint circle algorithm. More...

bool	twr_gfx_update (twr_gfx_t *self)
	Display update, send data. More...

Detailed Description

Graphics library.

Enumeration Type Documentation

◆ twr_gfx_rotation_t

enum twr_gfx_rotation_t

Rotation.

Enumerator
TWR_GFX_ROTATION_0	Rotation 0 degrees.
TWR_GFX_ROTATION_90	Rotation 90 degrees.
TWR_GFX_ROTATION_180	Rotation 180 degrees.
TWR_GFX_ROTATION_270	Rotation 270 degrees.

Definition at line 46 of file twr_gfx.h.

◆ twr_gfx_round_corner_t

enum twr_gfx_round_corner_t

Enumerator
TWR_GFX_ROUND_CORNER_RIGHT_TOP	Round corner right top.
TWR_GFX_ROUND_CORNER_RIGHT_BOTTOM	Round corner right bottom.
TWR_GFX_ROUND_CORNER_LEFT_BOTTOM	Round corner left bottom.
TWR_GFX_ROUND_CORNER_LEFT_TOP	Round corner left top.

Definition at line 62 of file twr_gfx.h.

Function Documentation

◆ twr_gfx_calc_char_width()

int twr_gfx_calc_char_width	(	twr_gfx_t *	self,
		uint8_t	ch
	)

Calc width character.

Parameters

[in] self Instance

Returns: Width of printed character

Definition at line 132 of file twr_gfx.c.

Referenced by twr_gfx_calc_string_width().

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◆ twr_gfx_calc_string_width()

int twr_gfx_calc_string_width	(	twr_gfx_t *	self,
		char *	str
	)

Calc width string.

Parameters

[in]	self	Instance
[in]	*str	String to be printed

Returns: Width of printed string

Definition at line 162 of file twr_gfx.c.

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◆ twr_gfx_clear()

void twr_gfx_clear ( twr_gfx_t * self )

Clear.

Parameters

[in] self Instance

Definition at line 22 of file twr_gfx.c.

Referenced by twr_module_lcd_clear(), and twr_module_lcd_init().

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◆ twr_gfx_display_is_ready()

bool twr_gfx_display_is_ready ( twr_gfx_t * self )

Check if display driver is ready for commands.

Parameters

[in] self Instance

Returns: true If ready; false If not ready

Definition at line 12 of file twr_gfx.c.

Referenced by twr_module_lcd_is_ready().

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◆ twr_gfx_draw_char()

int twr_gfx_draw_char	(	twr_gfx_t *	self,
		int	left,
		int	top,
		uint8_t	ch,
		uint32_t	color
	)

Display draw char.

Parameters

[in]	self	Instance
[in]	left	Pixels from left edge
[in]	top	Pixels from top edge
[in]	ch	Char to be printed
[in]	color

Returns: Width of printed character

Definition at line 86 of file twr_gfx.c.

Referenced by twr_gfx_draw_string(), and twr_module_lcd_draw_char().

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◆ twr_gfx_draw_circle()

void twr_gfx_draw_circle	(	twr_gfx_t *	self,
		int	x0,
		int	y0,
		int	radius,
		uint32_t	color
	)

Lcd draw circle, using Midpoint circle algorithm.

Parameters

[in]	self	Instance
[in]	x0	Center - pixels from left edge
[in]	y0	Center - pixels from top edge
[in]	radius	In pixels
[in]	color

Definition at line 328 of file twr_gfx.c.

Referenced by twr_module_lcd_draw_circle().

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◆ twr_gfx_draw_fill_circle()

void twr_gfx_draw_fill_circle	(	twr_gfx_t *	self,
		int	x0,
		int	y0,
		int	radius,
		uint32_t	color
	)

Lcd draw fill circle, using Midpoint circle algorithm.

Parameters

[in]	self	Instance
[in]	x0	Center - pixels from left edge
[in]	y0	Center - pixels from top edge
[in]	radius	In pixels
[in]	color

Definition at line 363 of file twr_gfx.c.

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◆ twr_gfx_draw_fill_rectangle()

void twr_gfx_draw_fill_rectangle	(	twr_gfx_t *	self,
		int	x0,
		int	y0,
		int	x1,
		int	y1,
		uint32_t	color
	)

Display draw fill rectangle.

Parameters

[in]	self	Instance
[in]	x0	Pixels from left edge
[in]	y0	Pixels from top edge
[in]	x1	Pixels from left edge
[in]	y1	Pixels from top edge
[in]	color

Definition at line 286 of file twr_gfx.c.

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◆ twr_gfx_draw_fill_rectangle_dithering()

void twr_gfx_draw_fill_rectangle_dithering	(	twr_gfx_t *	self,
		int	x0,
		int	y0,
		int	x1,
		int	y1,
		uint32_t	color
	)

Display draw fill rectangle with a dithering pattern defined in the color parameter.

Parameters

[in]	self	Instance
[in]	x0	Pixels from left edge
[in]	y0	Pixels from top edge
[in]	x1	Pixels from left edge
[in]	y1	Pixels from top edge
[in]	color	Dithering mask, 16 bits define bit pattern in the 4 by 4 area

Definition at line 298 of file twr_gfx.c.

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◆ twr_gfx_draw_fill_rectangle_dithering_color()

void twr_gfx_draw_fill_rectangle_dithering_color	(	twr_gfx_t *	self,
		int	x0,
		int	y0,
		int	x1,
		int	y1,
		uint16_t	pattern,
		uint32_t	color_fg,
		uint32_t	color_bg
	)

Display draw fill rectangle with a dithering pattern defined in the pattern parameter, with the support for multicolor dithering.

Parameters

[in]	self	Instance
[in]	x0	Pixels from left edge
[in]	y0	Pixels from top edge
[in]	x1	Pixels from left edge
[in]	y1	Pixels from top edge
[in]	pattern	Dithering mask, 16 bits define bit pattern in the 4 by 4 area
[in]	color_fg	Color used for the foreground of the rectangle
[in]	color_bg	Color used for the background of the rectangle

Definition at line 313 of file twr_gfx.c.

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◆ twr_gfx_draw_fill_round_corner()

void twr_gfx_draw_fill_round_corner	(	twr_gfx_t *	self,
		int	x0,
		int	y0,
		int	radius,
		twr_gfx_round_corner_t	corner,
		uint32_t	color
	)

Lcd draw fill round corner, using Midpoint circle algorithm.

Parameters

[in]	self	Instance
[in]	x0	Center - pixels from left edge
[in]	y0	Center - pixels from top edge
[in]	corner	position
[in]	radius	In pixels
[in]	color

Definition at line 442 of file twr_gfx.c.

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◆ twr_gfx_draw_line()

void twr_gfx_draw_line	(	twr_gfx_t *	self,
		int	x0,
		int	y0,
		int	x1,
		int	y1,
		uint32_t	color
	)

Display draw line.

Parameters

[in]	self	Instance
[in]	x0	Pixels from left edge
[in]	y0	Pixels from top edge
[in]	x1	Pixels from left edge
[in]	y1	Pixels from top edge
[in]	color

Definition at line 188 of file twr_gfx.c.

Referenced by twr_gfx_draw_fill_circle(), twr_gfx_draw_fill_round_corner(), twr_gfx_draw_rectangle(), and twr_module_lcd_draw_line().

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◆ twr_gfx_draw_pixel()

void twr_gfx_draw_pixel	(	twr_gfx_t *	self,
		int	x,
		int	y,
		uint32_t	color
	)

Draw pixel.

Parameters

[in]	self	Instance
[in]	left	Pixels from left edge
[in]	top	Pixels from top edge
[in]	color

Definition at line 42 of file twr_gfx.c.

Referenced by twr_gfx_draw_char(), twr_gfx_draw_circle(), twr_gfx_draw_fill_rectangle(), twr_gfx_draw_fill_rectangle_dithering(), twr_gfx_draw_fill_rectangle_dithering_color(), twr_gfx_draw_line(), twr_gfx_draw_round_corner(), twr_module_lcd_draw_image(), and twr_module_lcd_draw_pixel().

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◆ twr_gfx_draw_rectangle()

void twr_gfx_draw_rectangle	(	twr_gfx_t *	self,
		int	x0,
		int	y0,
		int	x1,
		int	y1,
		uint32_t	color
	)

Display draw rectangle.

Parameters

[in]	self	Instance
[in]	x0	Pixels from left edge
[in]	y0	Pixels from top edge
[in]	x1	Pixels from left edge
[in]	y1	Pixels from top edge
[in]	color

Definition at line 278 of file twr_gfx.c.

Referenced by twr_module_lcd_draw_rectangle().

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◆ twr_gfx_draw_round_corner()

void twr_gfx_draw_round_corner	(	twr_gfx_t *	self,
		int	x0,
		int	y0,
		int	radius,
		twr_gfx_round_corner_t	corner,
		uint32_t	color
	)

Lcd draw round corner, using Midpoint circle algorithm.

Parameters

[in]	self	Instance
[in]	x0	Center - pixels from left edge
[in]	y0	Center - pixels from top edge
[in]	corner	position
[in]	radius	In pixels
[in]	color

Definition at line 393 of file twr_gfx.c.

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◆ twr_gfx_draw_string()

int twr_gfx_draw_string	(	twr_gfx_t *	self,
		int	left,
		int	top,
		char *	str,
		uint32_t	color
	)

Display draw string.

Parameters

[in]	self	Instance
[in]	left	Pixels from left edge
[in]	top	Pixels from top edge
[in]	*str	String to be printed
[in]	color

Returns: Width of printed string

Definition at line 152 of file twr_gfx.c.

Referenced by twr_gfx_printf(), and twr_module_lcd_draw_string().

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◆ twr_gfx_get_caps()

twr_gfx_caps_t twr_gfx_get_caps ( twr_gfx_t * self )

Get Display capabilities.

Parameters

[in] self Instance

Definition at line 17 of file twr_gfx.c.

◆ twr_gfx_get_rotation()

twr_gfx_rotation_t twr_gfx_get_rotation ( twr_gfx_t * self )

Get rotation.

Parameters

[in] self Instance

Returns: Rotation of display

Definition at line 37 of file twr_gfx.c.

Referenced by twr_module_lcd_get_rotation().

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◆ twr_gfx_init()

void twr_gfx_init	(	twr_gfx_t *	self,
		void *	display,
		const twr_gfx_driver_t *	driver
	)

Initialize button.

Parameters

[in] self Instance

Definition at line 3 of file twr_gfx.c.

Referenced by twr_module_lcd_init().

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◆ twr_gfx_printf()

int twr_gfx_printf	(	twr_gfx_t *	self,
		int	left,
		int	top,
		uint32_t	color,
		char *	format,
			...
	)

Display string.

Parameters

[in]	self	Instance
[in]	left	Pixels from left edge
[in]	top	Pixels from top edge
[in]	color
[in]	format	Format string (printf style)
[in]	...	Optional format arguments

Returns: Width of printed string

Definition at line 173 of file twr_gfx.c.

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◆ twr_gfx_set_font()

void twr_gfx_set_font	(	twr_gfx_t *	self,
		const twr_font_t *	font
	)

Set font.

Parameters

[in]	self	Instance
[in]	*font	Font

Definition at line 27 of file twr_gfx.c.

Referenced by twr_module_lcd_set_font().

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◆ twr_gfx_set_rotation()

void twr_gfx_set_rotation	(	twr_gfx_t *	self,
		twr_gfx_rotation_t	rotation
	)

Set rotation.

Parameters

[in]	self	Instance
[in]	rotation	Rotation of diplay

Definition at line 32 of file twr_gfx.c.

Referenced by twr_module_lcd_set_rotation().

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◆ twr_gfx_update()

bool twr_gfx_update ( twr_gfx_t * self )

Display update, send data.

Parameters

[in] self Instance

Returns: true On success; false On failure

Definition at line 491 of file twr_gfx.c.

Referenced by twr_module_lcd_update().

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Data Structures

Enumerations

Functions

Detailed Description

Enumeration Type Documentation

◆ twr_gfx_rotation_t

◆ twr_gfx_round_corner_t

Function Documentation

◆ twr_gfx_calc_char_width()

◆ twr_gfx_calc_string_width()

◆ twr_gfx_clear()

◆ twr_gfx_display_is_ready()

◆ twr_gfx_draw_char()

◆ twr_gfx_draw_circle()

◆ twr_gfx_draw_fill_circle()

◆ twr_gfx_draw_fill_rectangle()

◆ twr_gfx_draw_fill_rectangle_dithering()

◆ twr_gfx_draw_fill_rectangle_dithering_color()

◆ twr_gfx_draw_fill_round_corner()

◆ twr_gfx_draw_line()

◆ twr_gfx_draw_pixel()

◆ twr_gfx_draw_rectangle()

◆ twr_gfx_draw_round_corner()

◆ twr_gfx_draw_string()

◆ twr_gfx_get_caps()

◆ twr_gfx_get_rotation()

◆ twr_gfx_init()

◆ twr_gfx_printf()

◆ twr_gfx_set_font()

◆ twr_gfx_set_rotation()

◆ twr_gfx_update()