LCD Drawing operations. More...

Modules
	Colors
	List of default GUI colors for fast development.

Data Structures
struct	gui_draw_text_t
	Structure for drawing strings on widgets. More...

struct	gui_draw_rect_ex_t
	Extended rectangle structure. More...

struct	gui_draw_sb_t
	Scroll bar structure. More...

struct	gui_draw_poly_t
	Poly line object coordinates. More...

Macros
#define	GUI_DRAW_CIRCLE_TL 0x01

#define	GUI_DRAW_CIRCLE_TR 0x02

#define	GUI_DRAW_CIRCLE_BR 0x04

#define	GUI_DRAW_CIRCLE_BL 0x08

#define	GUI_FLAG_DRAW_GRAD_VER 0x01

#define	GUI_FLAG_DRAW_GRAD_HOR 0x02

#define	GUI_FLAG_DRAW_FILLED 0x04

Enumerations
enum	gui_draw_sb_dir_t { GUI_DRAW_SB_DIR_VERTICAL = 0x00, GUI_DRAW_SB_DIR_HORIZONTAL = 0x00 }
	Scroll bar direction enumeration. More...

enum	gui_draw_3d_state_t { GUI_DRAW_3D_State_Raised = 0x00, GUI_DRAW_3D_State_Lowered = 0x01 }
	3D states enumeration More...

Functions
void	gui_draw_text_init (gui_draw_text_t *f)
	Initialize gui_draw_text_t structure for further usage. More...

void	gui_draw_fillscreen (const gui_display_t *disp, gui_color_t color)
	Fill screen with color. More...

void	gui_draw_setpixel (const gui_display_t *disp, gui_dim_t x, gui_dim_t y, gui_color_t color)
	Set single pixel at X and Y location. More...

gui_color_t	gui_draw_getpixel (const gui_display_t *disp, gui_dim_t x, gui_dim_t y)
	Get pixel color at X and Y location. More...

void	gui_draw_vline (const gui_display_t *disp, gui_dim_t x, gui_dim_t y, gui_dim_t length, gui_color_t color)
	Draw vertical line to LCD. More...

void	gui_draw_hline (const gui_display_t *disp, gui_dim_t x, gui_dim_t y, gui_dim_t length, gui_color_t color)
	Draw horizontal line to LCD. More...

void	gui_draw_line (const gui_display_t *disp, gui_dim_t x1, gui_dim_t y1, gui_dim_t x2, gui_dim_t y2, gui_color_t color)
	Draw line from point 1 to point 2. More...

void	gui_draw_rectangle (const gui_display_t *disp, gui_dim_t x, gui_dim_t y, gui_dim_t width, gui_dim_t height, gui_color_t color)
	Draw rectangle. More...

void	gui_draw_rectangle_ex (const gui_display_t disp, gui_draw_rect_ex_t rect)
	Draw rectangle extended function. More...

void	gui_draw_filledrectangle (const gui_display_t *disp, gui_dim_t x, gui_dim_t y, gui_dim_t width, gui_dim_t height, gui_color_t color)
	Draw filled rectangle. More...

void	gui_draw_roundedrectangle (const gui_display_t *disp, gui_dim_t x, gui_dim_t y, gui_dim_t width, gui_dim_t height, gui_dim_t r, gui_color_t color)
	Draw rectangle with rounded corners. More...

void	gui_draw_filledroundedrectangle (const gui_display_t *disp, gui_dim_t x, gui_dim_t y, gui_dim_t width, gui_dim_t height, gui_dim_t r, gui_color_t color)
	Draw filled rectangle with rounded corners. More...

void	gui_draw_circle (const gui_display_t *disp, gui_dim_t x0, gui_dim_t y0, gui_dim_t r, gui_color_t color)
	Draw circle. More...

void	gui_draw_filledcircle (const gui_display_t *disp, gui_dim_t x0, gui_dim_t y0, gui_dim_t r, gui_color_t color)
	Draw filled circle. More...

void	gui_draw_circlecorner (const gui_display_t *disp, gui_dim_t x0, gui_dim_t y0, gui_dim_t r, uint8_t c, gui_color_t color)
	Draw circle corner, selected with parameter. More...

void	gui_draw_filledcirclecorner (const gui_display_t *disp, gui_dim_t x0, gui_dim_t y0, gui_dim_t r, uint8_t c, uint32_t color)
	Draw filled circle corner, selected with parameter. More...

void	gui_draw_triangle (const gui_display_t *disp, gui_dim_t x1, gui_dim_t y1, gui_dim_t x2, gui_dim_t y2, gui_dim_t x3, gui_dim_t y3, gui_color_t color)
	Draw triangle. More...

void	gui_draw_filledtriangle (const gui_display_t *disp, gui_dim_t x1, gui_dim_t y1, gui_dim_t x2, gui_dim_t y2, gui_dim_t x3, gui_dim_t y3, gui_color_t color)
	Draw filled triangle. More...

void	gui_draw_image (gui_display_t disp, gui_dim_t x, gui_dim_t y, const gui_image_desc_t img)
	Draw image to display of any depth and size. More...

void	gui_draw_writetext (const gui_display_t disp, const gui_font_t font, const gui_char str, gui_draw_text_t draw)
	Write text to screen. More...

void	gui_draw_rectangle3d (const gui_display_t *disp, gui_dim_t x, gui_dim_t y, gui_dim_t width, gui_dim_t height, gui_draw_3d_state_t state)
	Draw rectangle with 3D view. More...

void	gui_draw_poly (const gui_display_t disp, const gui_draw_poly_t points, size_t len, gui_color_t color)
	Draw polygon lines. More...

void	gui_draw_scrollbar_init (gui_draw_sb_t *sb)
	Initializes gui_draw_sb_t structure for drawing operations. More...

void	gui_draw_scrollbar (const gui_display_t disp, gui_draw_sb_t sb)
	Draw scroll bar to screen. More...

Detailed Description

LCD Drawing operations.

Macro Definition Documentation

◆ GUI_DRAW_CIRCLE_BL

#define GUI_DRAW_CIRCLE_BL 0x08

Draw bottom right part of circle

◆ GUI_DRAW_CIRCLE_BR

#define GUI_DRAW_CIRCLE_BR 0x04

Draw bottom left part of circle

◆ GUI_DRAW_CIRCLE_TL

#define GUI_DRAW_CIRCLE_TL 0x01

Draw top left part of circle

◆ GUI_DRAW_CIRCLE_TR

#define GUI_DRAW_CIRCLE_TR 0x02

Draw top right part of circle

Enumeration Type Documentation

◆ gui_draw_3d_state_t

enum gui_draw_3d_state_t

3D states enumeration

See also: gui_draw_rectangle3d

Enumerator
GUI_DRAW_3D_State_Raised	Raised 3D style
GUI_DRAW_3D_State_Lowered	Lowered 3D style

◆ gui_draw_sb_dir_t

enum gui_draw_sb_dir_t

Scroll bar direction enumeration.

Enumerator
GUI_DRAW_SB_DIR_VERTICAL	Vertical slider
GUI_DRAW_SB_DIR_HORIZONTAL	Horizontal slider

Function Documentation

◆ gui_draw_circle()

void gui_draw_circle	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		gui_dim_t	r,
		gui_color_t	color
	)

Draw circle.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	X position of circle center
[in]	y	X position of circle center
[in]	r	Circle radius
[in]	color	Color used for drawing operation

See also: gui_draw_filledcircle, gui_draw_circlecorner, gui_draw_filledcirclecorner

◆ gui_draw_circlecorner()

void gui_draw_circlecorner	(	const gui_display_t *	disp,
		gui_dim_t	x0,
		gui_dim_t	y0,
		gui_dim_t	r,
		uint8_t	c,
		gui_color_t	color
	)

Draw circle corner, selected with parameter.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x0	X position of corner origin
[in]	y0	Y position of corner origin
[in]	r	Circle radius
[in]	c	List of corners to draw. Use BITWISE OR with these values to specify corner: GUI_DRAW_CIRCLE_TL GUI_DRAW_CIRCLE_TR GUI_DRAW_CIRCLE_BL GUI_DRAW_CIRCLE_BR
[in]	color	Color used for drawing operation

See also: gui_draw_circle, gui_draw_filledcircle, gui_draw_filledcirclecorner

◆ gui_draw_filledcircle()

void gui_draw_filledcircle	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		gui_dim_t	r,
		gui_color_t	color
	)

Draw filled circle.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	X position of circle center
[in]	y	X position of circle center
[in]	r	Circle radius
[in]	color	Color used for drawing operation

See also: gui_draw_circle, gui_draw_circlecorner, gui_draw_filledcirclecorner

◆ gui_draw_filledcirclecorner()

void gui_draw_filledcirclecorner	(	const gui_display_t *	disp,
		gui_dim_t	x0,
		gui_dim_t	y0,
		gui_dim_t	r,
		uint8_t	c,
		gui_color_t	color
	)

Draw filled circle corner, selected with parameter.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x0	X position of corner origin
[in]	y0	Y position of corner origin
[in]	r	Circle radius
[in]	c	List of corners to draw. Use BITWISE OR with these values to specify corner: GUI_DRAW_CIRCLE_TL GUI_DRAW_CIRCLE_TR GUI_DRAW_CIRCLE_BL GUI_DRAW_CIRCLE_BR
[in]	color	Color used for drawing operation

See also: gui_draw_circle, gui_draw_filledcircle, gui_draw_circlecorner

◆ gui_draw_filledrectangle()

void gui_draw_filledrectangle	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		gui_dim_t	width,
		gui_dim_t	height,
		gui_color_t	color
	)

Draw filled rectangle.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	Top left X position
[in]	y	Top left Y position
[in]	width	Rectangle width
[in]	height	Rectangle height
[in]	color	Color used for drawing operation

See also: gui_draw_rectangle, gui_draw_roundedrectangle, gui_draw_filledroundedrectangle

◆ gui_draw_filledroundedrectangle()

void gui_draw_filledroundedrectangle	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		gui_dim_t	width,
		gui_dim_t	height,
		gui_dim_t	r,
		gui_color_t	color
	)

Draw filled rectangle with rounded corners.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	Top left X position
[in]	y	Top left Y position
[in]	width	Rectangle width
[in]	height	Rectangle height
[in]	r	Corner radius, max value can be r = MIN(width, height) / 2
[in]	color	Color used for drawing operation

See also: gui_draw_rectangle, gui_draw_filledrectangle, gui_draw_roundedrectangle

◆ gui_draw_filledtriangle()

void gui_draw_filledtriangle	(	const gui_display_t *	disp,
		gui_dim_t	x1,
		gui_dim_t	y1,
		gui_dim_t	x2,
		gui_dim_t	y2,
		gui_dim_t	x3,
		gui_dim_t	y3,
		gui_color_t	color
	)

Draw filled triangle.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x1	Triangle point 1 X position
[in]	y1	Triangle point 1 Y position
[in]	x2	Triangle point 2 X position
[in]	y2	Triangle point 2 Y position
[in]	x3	Triangle point 3 X position
[in]	y3	Triangle point 3 Y position
[in]	color	Color used for drawing operation

See also: gui_draw_triangle

◆ gui_draw_fillscreen()

void gui_draw_fillscreen	(	const gui_display_t *	disp,
		gui_color_t	color
	)

Fill screen with color.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	color	Color to use for filling screen

◆ gui_draw_getpixel()

gui_color_t gui_draw_getpixel	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y
	)

Get pixel color at X and Y location.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	X position on LCD
[in]	y	Y position on LCD

Returns: Pixel color at desired position

See also: gui_draw_setpixel

◆ gui_draw_hline()

void gui_draw_hline	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		gui_dim_t	length,
		gui_color_t	color
	)

Draw horizontal line to LCD.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	Line left X position
[in]	y	Line left Y position
[in]	length	Length of horizontal line
[in]	color	Color used for drawing operation

See also: gui_draw_vline, gui_draw_line

◆ gui_draw_image()

void gui_draw_image	(	gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		const gui_image_desc_t *	img
	)

Draw image to display of any depth and size.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	Top left X position
[in]	y	Top left Y position
[in]	img	Pointer to gui_image_desc_t structure with image description

◆ gui_draw_line()

void gui_draw_line	(	const gui_display_t *	disp,
		gui_dim_t	x1,
		gui_dim_t	y1,
		gui_dim_t	x2,
		gui_dim_t	y2,
		gui_color_t	color
	)

Draw line from point 1 to point 2.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x1	Line start X position
[in]	y1	Line start Y position
[in]	x2	Line end X position
[in]	y2	Line end Y position
[in]	color	Color used for drawing operation

See also: gui_draw_vline, gui_draw_hline

◆ gui_draw_poly()

void gui_draw_poly	(	const gui_display_t *	disp,
		const gui_draw_poly_t *	points,
		size_t	len,
		gui_color_t	color
	)

Draw polygon lines.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	points	Pointer to array of gui_draw_poly_t points to draw lines between
[in]	len	Number of points in array. There must be at least 2 points
[in]	color	Color to use for drawing

◆ gui_draw_rectangle()

void gui_draw_rectangle	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		gui_dim_t	width,
		gui_dim_t	height,
		gui_color_t	color
	)

Draw rectangle.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	Top left X position
[in]	y	Top left Y position
[in]	width	Rectangle width
[in]	height	Rectangle height
[in]	color	Color used for drawing operation

See also: gui_draw_filledrectangle, gui_draw_roundedrectangle, gui_draw_filledroundedrectangle

◆ gui_draw_rectangle3d()

void gui_draw_rectangle3d	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		gui_dim_t	width,
		gui_dim_t	height,
		gui_draw_3d_state_t	state
	)

Draw rectangle with 3D view.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	Top left X position
[in]	y	Top left Y position
[in]	width	Rectangle width
[in]	height	Rectangle height
[in]	state	3D state. This parameter can be a value of gui_draw_3d_state_t enumeration

◆ gui_draw_rectangle_ex()

void gui_draw_rectangle_ex	(	const gui_display_t *	disp,
		gui_draw_rect_ex_t *	rect
	)

Draw rectangle extended function.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	rect	Rectangle data

◆ gui_draw_roundedrectangle()

void gui_draw_roundedrectangle	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		gui_dim_t	width,
		gui_dim_t	height,
		gui_dim_t	r,
		gui_color_t	color
	)

Draw rectangle with rounded corners.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	Top left X position
[in]	y	Top left Y position
[in]	width	Rectangle width
[in]	height	Rectangle height
[in]	r	Corner radius, max value can be r = MIN(width, height) / 2
[in]	color	Color used for drawing operation

See also: gui_draw_rectangle, gui_draw_filledrectangle, gui_draw_filledroundedrectangle

◆ gui_draw_scrollbar()

void gui_draw_scrollbar	(	const gui_display_t *	disp,
		gui_draw_sb_t *	sb
	)

Draw scroll bar to screen.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	sb	Pointer to gui_draw_sb_t parameters for scroll bar

◆ gui_draw_scrollbar_init()

void gui_draw_scrollbar_init ( gui_draw_sb_t * sb )

Initializes gui_draw_sb_t structure for drawing operations.

Parameters

[in] sb Pointer to gui_draw_sb_t to initialize to default values

◆ gui_draw_setpixel()

void gui_draw_setpixel	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		gui_color_t	color
	)

Set single pixel at X and Y location.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	X position on LCD
[in]	y	Y position on LCD
[in]	color	Color used for drawing operation

See also: gui_draw_getpixel

◆ gui_draw_text_init()

void gui_draw_text_init ( gui_draw_text_t * f )

Initialize gui_draw_text_t structure for further usage.

Parameters

[in,out] f Pointer to empty gui_draw_text_t structure

◆ gui_draw_triangle()

void gui_draw_triangle	(	const gui_display_t *	disp,
		gui_dim_t	x1,
		gui_dim_t	y1,
		gui_dim_t	x2,
		gui_dim_t	y2,
		gui_dim_t	x3,
		gui_dim_t	y3,
		gui_color_t	color
	)

Draw triangle.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x1	Triangle point 1 X position
[in]	y1	Triangle point 1 Y position
[in]	x2	Triangle point 2 X position
[in]	y2	Triangle point 2 Y position
[in]	x3	Triangle point 3 X position
[in]	y3	Triangle point 3 Y position
[in]	color	Color used for drawing operation

See also: gui_draw_filledtriangle

◆ gui_draw_vline()

void gui_draw_vline	(	const gui_display_t *	disp,
		gui_dim_t	x,
		gui_dim_t	y,
		gui_dim_t	length,
		gui_color_t	color
	)

Draw vertical line to LCD.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	x	Line top X position
[in]	y	Line top Y position
[in]	length	Length of vertical line
[in]	color	Color used for drawing operation

See also: gui_draw_hline, gui_draw_line

◆ gui_draw_writetext()

void gui_draw_writetext	(	const gui_display_t *	disp,
		const gui_font_t *	font,
		const gui_char *	str,
		gui_draw_text_t *	draw
	)

Write text to screen.

Parameters

[in,out]	disp	Pointer to gui_display_t structure for display operations
[in]	font	Pointer to gui_font_t structure with font to use
[in]	str	Pointer to string to draw on screen
[in]	draw	Pointer to gui_draw_text_t structure with specifications about drawing style

Modules

Data Structures

Macros

Enumerations

Functions

Detailed Description

Macro Definition Documentation

◆ GUI_DRAW_CIRCLE_BL

◆ GUI_DRAW_CIRCLE_BR

◆ GUI_DRAW_CIRCLE_TL

◆ GUI_DRAW_CIRCLE_TR

Enumeration Type Documentation

◆ gui_draw_3d_state_t

◆ gui_draw_sb_dir_t

Function Documentation

◆ gui_draw_circle()

◆ gui_draw_circlecorner()

◆ gui_draw_filledcircle()

◆ gui_draw_filledcirclecorner()

◆ gui_draw_filledrectangle()

◆ gui_draw_filledroundedrectangle()

◆ gui_draw_filledtriangle()

◆ gui_draw_fillscreen()

◆ gui_draw_getpixel()

◆ gui_draw_hline()

◆ gui_draw_image()

◆ gui_draw_line()

◆ gui_draw_poly()

◆ gui_draw_rectangle()

◆ gui_draw_rectangle3d()

◆ gui_draw_rectangle_ex()

◆ gui_draw_roundedrectangle()

◆ gui_draw_scrollbar()

◆ gui_draw_scrollbar_init()

◆ gui_draw_setpixel()

◆ gui_draw_text_init()

◆ gui_draw_triangle()

◆ gui_draw_vline()

◆ gui_draw_writetext()