Max OS 0.3
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graphicsContext.h
Go to the documentation of this file.
1
9#ifndef MaxOS_COMMON_GRAPHICSCONTEX_H
10#define MaxOS_COMMON_GRAPHICSCONTEX_H
11
12#include <cstdint>
13#include <common/colour.h>
14
15
16namespace MaxOS::common {
17
23
24 protected:
26 false };
27
28 uint32_t m_width { 0 };
29 uint32_t m_height { 0 };
30 uint32_t m_color_depth { 0 };
31
33
34 uint64_t* m_framebuffer_address { nullptr };
35
36 virtual void render_pixel(uint32_t x, uint32_t y, uint32_t colour);
37 virtual void render_pixel_8_bit(uint32_t x, uint32_t y, uint8_t colour);
38 virtual void render_pixel_16_bit(uint32_t x, uint32_t y, uint16_t colour);
39 virtual void render_pixel_24_bit(uint32_t x, uint32_t y, uint32_t colour);
40 virtual void render_pixel_32_bit(uint32_t x, uint32_t y, uint32_t colour);
41
42 virtual uint32_t get_rendered_pixel(uint32_t x, uint32_t y);
43 virtual uint8_t get_rendered_pixel_8_bit(uint32_t x, uint32_t y);
44 virtual uint16_t get_rendered_pixel_16_bit(uint32_t x, uint32_t y);
45 virtual uint32_t get_rendered_pixel_24_bit(uint32_t x, uint32_t y);
46 virtual uint32_t get_rendered_pixel_32_bit(uint32_t x, uint32_t y);
47
48 public:
51
52 uint32_t colour_to_int(const Colour&);
53 Colour int_to_colour(uint32_t);
54
55 // Convert uint32_t to uint64s?
56 [[nodiscard]] uint32_t width() const;
57 [[nodiscard]] uint32_t height() const;
58 [[nodiscard]] uint32_t color_depth() const;
59
60 uint64_t* framebuffer_address();
61
62 void put_pixel(uint32_t x, uint32_t y, const Colour& colour);
63 void put_pixel(uint32_t x, uint32_t y, uint32_t colour);
64 Colour get_pixel(uint32_t x, uint32_t y);
65 void invert_pixel(uint32_t x, uint32_t y);
66
67 void draw_line(uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, const Colour& colour);
68 void draw_line(uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, uint32_t colour);
69
70 void draw_rectangle(uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, const Colour& colour);
71 void draw_rectangle(uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, uint32_t colour);
72
73 void fill_rectangle(uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, const Colour& colour);
74 void fill_rectangle(uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, uint32_t colour);
75
76 void draw_circle(uint32_t x0, uint32_t y0, uint32_t radius, const Colour& colour);
77 void draw_circle(uint32_t x0, uint32_t y0, uint32_t radius, uint32_t colour);
78
79 void fill_circle(uint32_t x0, uint32_t y0, uint32_t radius, const Colour& colour);
80 void fill_circle(uint32_t x0, uint32_t y0, uint32_t radius, uint32_t colour);
81
82 };
83
84}
85
86
87#endif //MaxOS_COMMON_GRAPHICSCONTEX_H
Stores the red, green, blue and alpha values of a colour. Can be parsed from a hex string,...
Definition colour.h:91
Draws pixels to the screen, and handles drawing lines, rectangles and circles.
void fill_circle(uint32_t x0, uint32_t y0, uint32_t radius, const Colour &colour)
Draws a circle on the screen, filled with a colour.
void put_pixel(uint32_t x, uint32_t y, const Colour &colour)
Renders a pixel to the screen (automatically converts the colour to an integer)
void draw_rectangle(uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, const Colour &colour)
Draws a rectangle on the screen.
virtual uint8_t get_rendered_pixel_8_bit(uint32_t x, uint32_t y)
Gets the colour of a pixel on the screen using the 8 bit color depth.
virtual void render_pixel_8_bit(uint32_t x, uint32_t y, uint8_t colour)
Renders a pixel to the screen using the 8 bit color depth.
uint32_t colour_to_int(const Colour &)
Converts a colour to an integer value based on the current color depth.
void invert_pixel(uint32_t x, uint32_t y)
Inverts a pixel.
uint64_t * framebuffer_address()
Gets the address of the context's framebuffer to draw on.
uint32_t m_color_depth
The color depth of the screen in bits per pixel.
Colour get_pixel(uint32_t x, uint32_t y)
Gets the colour of a pixel, or returns black if the pixel is outside the screen.
virtual void render_pixel_24_bit(uint32_t x, uint32_t y, uint32_t colour)
Renders a pixel to the screen using the 24 bit color depth.
Colour int_to_colour(uint32_t)
Converts an integer value to a colour based on the current color depth.
Colour m_colour_pallet[256]
The colour pallet for 8 bit color depth.
virtual uint32_t get_rendered_pixel_24_bit(uint32_t x, uint32_t y)
Gets the colour of a pixel on the screen using the 24 bit color depth.
virtual uint16_t get_rendered_pixel_16_bit(uint32_t x, uint32_t y)
Gets the colour of a pixel on the screen using the 16 bit color depth.
virtual uint32_t get_rendered_pixel(uint32_t x, uint32_t y)
Gets the colour of a pixel on the screen, automatically uses the correct color depth.
uint32_t width() const
Gets the width of the screen.
uint64_t * m_framebuffer_address
The address of the framebuffer.
virtual void render_pixel(uint32_t x, uint32_t y, uint32_t colour)
Renders a pixel to the screen based on the current color depth.
bool mirror_y_axis
Should the y axis be mirrored (0,0 is top left if false, bottom left if true)
uint32_t height() const
Gets the height of the screen.
uint32_t m_width
The width of the screen in pixels.
virtual void render_pixel_32_bit(uint32_t x, uint32_t y, uint32_t colour)
Renders a pixel to the screen using the 32 bit color depth.
GraphicsContext()
Constructs a GraphicsContext object and initializes the color palette.
void fill_rectangle(uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, const Colour &colour)
Draws a rectangle on the screen, filled with a colour.
void draw_line(uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, const Colour &colour)
Draws a line on the screen.
virtual void render_pixel_16_bit(uint32_t x, uint32_t y, uint16_t colour)
Renders a pixel to the screen using the 16 bit color depth.
virtual uint32_t get_rendered_pixel_32_bit(uint32_t x, uint32_t y)
Gets the colour of a pixel on the screen using the 32 bit color depth.
uint32_t color_depth() const
Gets the current color depth (bits per pixel)
void draw_circle(uint32_t x0, uint32_t y0, uint32_t radius, const Colour &colour)
Draws a circle on the screen.
uint32_t m_height
The height of the screen in pixels.
Defines a Colour class for representing colours in RGBA format, along with ANSI and console colour en...