#include "canvas/UserSettings.h"
#include <stdint.h>
#include <stddef.h>

Include dependency graph for canvas_types.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	SFontHeaderRecord

struct	SFixedFontInfo

struct	SCharInfo

struct	SAppMenu

Macros
#define	SSD1306_MORE_CHARS_REQUIRED 0xffff

#define	RGB_COLOR8(r, g, b) ((r & 0xE0) \| ((g >> 3) & 0x1C) \| (b >> 6))

#define	GRAY_COLOR4(gray) (((gray >> 4) & 0x0F) \| (gray & 0xF0))

#define	RGB_COLOR4(r, g, b) ((r >> 2) + (g >> 1) + (b >> 2))

#define	RGB8_TO_GRAY4(rgb) ((rgb >> 6) + ((rgb >> 2) & 0x07) + (rgb & 0x03))

#define	RGB_COLOR16(r, g, b) (((r << 8) & 0xF800) \| ((g << 3) & 0x07E0) \| (b >> 3))

#define	RGB8_TO_RGB16(c) ((((uint16_t)c & 0b11100000) << 8) \| (((uint16_t)c & 0b00011100) << 6) \| (((uint16_t)c & 0b00000011) << 3))

#define	RGB16_TO_RGB8(c) (((uint16_t)(c >> 8) & 0b11100000) \| ((uint16_t)(c >> 6) & 0b00011100) \| ((uint16_t)(c >> 3) & 0b00000011))

Typedefs
typedef int8_t	lcdint_t

typedef uint8_t	lcduint_t

Enumerations
enum	EFontStyle { STYLE_NORMAL, STYLE_BOLD, STYLE_ITALIC }

enum	{ CANVAS_MODE_BASIC = 0x00, CANVAS_TEXT_WRAP = 0x01, CANVAS_MODE_TRANSPARENT = 0x02, CANVAS_TEXT_WRAP_LOCAL = 0x04 }

enum	EFontSize { FONT_SIZE_NORMAL = 0, FONT_SIZE_2X = 1, FONT_SIZE_4X = 2, FONT_SIZE_8X = 3 }

Detailed Description

Basic structures of canvas gfx library

Definition in file canvas_types.h.

Macro Definition Documentation

◆ GRAY_COLOR4

#define GRAY_COLOR4 ( gray ) (((gray >> 4) & 0x0F) | (gray & 0xF0))

Macro to generate 4-bit monochrome color from gray component

Definition at line 55 of file canvas_types.h.

◆ RGB16_TO_RGB8

#define RGB16_TO_RGB8 ( c ) (((uint16_t)(c >> 8) & 0b11100000) | ((uint16_t)(c >> 6) & 0b00011100) | ((uint16_t)(c >> 3) & 0b00000011))

Macro to convert 5-6-5 color to 3-3-2 color

Definition at line 71 of file canvas_types.h.

◆ RGB8_TO_GRAY4

#define RGB8_TO_GRAY4 ( rgb ) ((rgb >> 6) + ((rgb >> 2) & 0x07) + (rgb & 0x03))

Macro to convert 8-bit RGB to 4-bit monochrome format

Definition at line 61 of file canvas_types.h.

◆ RGB8_TO_RGB16

#define RGB8_TO_RGB16 ( c ) ((((uint16_t)c & 0b11100000) << 8) | (((uint16_t)c & 0b00011100) << 6) | (((uint16_t)c & 0b00000011) << 3))

Macro to convert 3-3-2 color to 5-6-5 color

Definition at line 67 of file canvas_types.h.

◆ RGB_COLOR16

#define RGB_COLOR16	(	r,
		g,
		b
	)	(((r << 8) & 0xF800) \| ((g << 3) & 0x07E0) \| (b >> 3))

Macro to generate 16-bit RGB color

Definition at line 64 of file canvas_types.h.

◆ RGB_COLOR4

#define RGB_COLOR4	(	r,
		g,
		b
	)	((r >> 2) + (g >> 1) + (b >> 2))

Macro to generate 4-bit monochrome color from RGB

Definition at line 58 of file canvas_types.h.

◆ RGB_COLOR8

#define RGB_COLOR8	(	r,
		g,
		b
	)	((r & 0xE0) \| ((g >> 3) & 0x1C) \| (b >> 6))

Macro to generate 8-bit color

Definition at line 52 of file canvas_types.h.

◆ SSD1306_MORE_CHARS_REQUIRED

#define SSD1306_MORE_CHARS_REQUIRED 0xffff

Flag means that more chars are required to decode utf-8

Definition at line 43 of file canvas_types.h.

Typedef Documentation

◆ lcdint_t

typedef int8_t lcdint_t

internal int type, used by the library. Important for uC with low SRAM

Definition at line 77 of file canvas_types.h.

◆ lcduint_t

typedef uint8_t lcduint_t

internal int type, used by the library. Important for uC with low SRAM

Definition at line 79 of file canvas_types.h.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
CANVAS_TEXT_WRAP	If the flag is specified, text cursor is moved to new line when end of screen is reached
CANVAS_MODE_TRANSPARENT	This flag make bitmaps transparent (Black color)
CANVAS_TEXT_WRAP_LOCAL	If the flag is specified, text cursor is moved to new line when end of canvas is reached

Definition at line 95 of file canvas_types.h.

◆ EFontSize

enum EFontSize

Supported scale font values

Definition at line 107 of file canvas_types.h.

◆ EFontStyle

enum EFontStyle

Supported font styles

Definition at line 88 of file canvas_types.h.

Classes

Macros

Typedefs

Enumerations