d3ff787864
* GUI: abolish API injection into instances. Update usage by 3rd party apps. * GUI: update documentation. Cleanup api usage. Adjust status bar item spacing.
88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
#pragma once
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#include <stdint.h>
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#include <u8g2.h>
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#include <gui/icon.h>
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typedef enum {
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ColorWhite = 0x00,
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ColorBlack = 0x01,
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} Color;
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typedef enum { FontPrimary = 0x00, FontSecondary = 0x01, FontGlyph = 0x02 } Font;
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typedef struct Canvas Canvas;
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/*
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* Canvas width
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* @return width in pixels.
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*/
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uint8_t canvas_width(Canvas* canvas);
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/*
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* Canvas height
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* @return height in pixels.
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*/
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uint8_t canvas_height(Canvas* canvas);
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/*
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* Clear canvas, clear rendering buffer
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*/
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void canvas_clear(Canvas* canvas);
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/*
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* Set drawing color
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*/
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void canvas_set_color(Canvas* canvas, Color color);
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/*
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* Set drawing font
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*/
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void canvas_set_font(Canvas* canvas, Font font);
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/*
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* Draw string at position of baseline defined by x, y.
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*/
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void canvas_draw_str(Canvas* canvas, uint8_t x, uint8_t y, const char* str);
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/*
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* Draw icon at position defined by x,y.
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*/
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void canvas_draw_icon(Canvas* canvas, uint8_t x, uint8_t y, Icon* icon);
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/*
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* Draw xbm icon of width, height at position defined by x,y.
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*/
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void canvas_draw_xbm(
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Canvas* canvas,
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uint8_t x,
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uint8_t y,
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uint8_t w,
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uint8_t h,
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const uint8_t* bitmap);
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/*
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* Draw dot at x,y
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*/
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void canvas_draw_dot(Canvas* canvas, uint8_t x, uint8_t y);
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/*
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* Draw box of width, height at x,y
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*/
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void canvas_draw_box(Canvas* canvas, uint8_t x, uint8_t y, uint8_t width, uint8_t height);
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/*
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* Draw frame of width, height at x,y
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*/
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void canvas_draw_frame(Canvas* canvas, uint8_t x, uint8_t y, uint8_t width, uint8_t height);
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/*
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* Draw line from x1,y1 to x2,y2
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*/
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void canvas_draw_line(Canvas* canvas, uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2);
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/*
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* Draw glyph
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*/
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void canvas_draw_glyph(Canvas* canvas, uint8_t x, uint8_t y, uint16_t ch);
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