CanvasVLSB Class Reference

A special version of canvas for monochrome widget (and device) with 8pixel/byte arranged vertically. More...

#include <canvas.h>

Inheritance diagram for CanvasVLSB:

Collaboration diagram for CanvasVLSB:

Public Member Functions
	CanvasVLSB (uint8_t canvas_width_pixel, uint8_t canvas_height_pixel)
	Construct a new Canvas V L S B object.
void	fill_canvas_with_color (ColorIndex color)
	fill the canvas buffer with 0x00 (i.e. BLACK) of 0xFF (WHITE)
void	draw_pixel (const int x, const int y, const ColorIndex color=ColorIndex::WHITE)
	the graphic primitive to draw a pixel
Public Member Functions inherited from Canvas
	Canvas (uint8_t canvas_width_pixel, uint8_t canvas_height_pixel)
	Construct a new Canvas object.
void	clear_canvas_buffer ()
	fill the canvas buffer with 0x00

Additional Inherited Members
Public Attributes inherited from Canvas
CanvasFormat	canvas_format
	the actual format of the canvas
ColorIndex	canvas_fg_color
	a copy of the widget foreground color
ColorIndex	canvas_bg_color
	a copy of the widget background color
uint8_t	canvas_width_pixel
	the width (in pixel) of the canvas and also of those of the associated widget
uint8_t	canvas_height_pixel
	the height (in pixel) of the canvas and also of those of the associated widget
size_t	canvas_buffer_size
	the size (in bytes) of the buffer
uint8_t *	canvas_buffer {nullptr}
	the buffer

Detailed Description

A special version of canvas for monochrome widget (and device) with 8pixel/byte arranged vertically.

Constructor & Destructor Documentation

CanvasVLSB()

CanvasVLSB::CanvasVLSB	(	uint8_t	canvas_width_pixel,
		uint8_t	canvas_height_pixel )

Construct a new Canvas V L S B object.

Parameters

canvas_width_pixel
canvas_height_pixel

Here is the call graph for this function:

Member Function Documentation

draw_pixel()

void CanvasVLSB::draw_pixel ( const int x, const int y, const ColorIndex color = ColorIndex::WHITE )

virtual

the graphic primitive to draw a pixel

Parameters

x	the x position of the pixel
y	the y position of the pixel
color	the color of the pixel

Implements Canvas.

fill_canvas_with_color()

void CanvasVLSB::fill_canvas_with_color ( ColorIndex color )

virtual

fill the canvas buffer with 0x00 (i.e. BLACK) of 0xFF (WHITE)

Parameters

color

Implements Canvas.

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

• canvas.h
• canvas.cpp