unleashed-firmware/applications/gui/canvas.h
あく d3ff787864
GUI: abolish API injection into instances. (#265)
* GUI: abolish API injection into instances. Update usage by 3rd party apps.
* GUI: update documentation. Cleanup api usage. Adjust status bar item spacing.
2020-12-14 13:50:32 +03:00

87 lines
1.7 KiB
C

#pragma once
#include <stdint.h>
#include <u8g2.h>
#include <gui/icon.h>
typedef enum {
ColorWhite = 0x00,
ColorBlack = 0x01,
} Color;
typedef enum { FontPrimary = 0x00, FontSecondary = 0x01, FontGlyph = 0x02 } Font;
typedef struct Canvas Canvas;
/*
* Canvas width
* @return width in pixels.
*/
uint8_t canvas_width(Canvas* canvas);
/*
* Canvas height
* @return height in pixels.
*/
uint8_t canvas_height(Canvas* canvas);
/*
* Clear canvas, clear rendering buffer
*/
void canvas_clear(Canvas* canvas);
/*
* Set drawing color
*/
void canvas_set_color(Canvas* canvas, Color color);
/*
* Set drawing font
*/
void canvas_set_font(Canvas* canvas, Font font);
/*
* Draw string at position of baseline defined by x, y.
*/
void canvas_draw_str(Canvas* canvas, uint8_t x, uint8_t y, const char* str);
/*
* Draw icon at position defined by x,y.
*/
void canvas_draw_icon(Canvas* canvas, uint8_t x, uint8_t y, Icon* icon);
/*
* Draw xbm icon of width, height at position defined by x,y.
*/
void canvas_draw_xbm(
Canvas* canvas,
uint8_t x,
uint8_t y,
uint8_t w,
uint8_t h,
const uint8_t* bitmap);
/*
* Draw dot at x,y
*/
void canvas_draw_dot(Canvas* canvas, uint8_t x, uint8_t y);
/*
* Draw box of width, height at x,y
*/
void canvas_draw_box(Canvas* canvas, uint8_t x, uint8_t y, uint8_t width, uint8_t height);
/*
* Draw frame of width, height at x,y
*/
void canvas_draw_frame(Canvas* canvas, uint8_t x, uint8_t y, uint8_t width, uint8_t height);
/*
* Draw line from x1,y1 to x2,y2
*/
void canvas_draw_line(Canvas* canvas, uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2);
/*
* Draw glyph
*/
void canvas_draw_glyph(Canvas* canvas, uint8_t x, uint8_t y, uint16_t ch);