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/**
* @file canvas.h
* GUI: Canvas API
*/
#pragma once
#include <stdint.h>
#include <gui/icon_animation.h>
#include <assets_icons.h>
#ifdef __cplusplus
extern "C" {
#endif
/** Color enumeration */
typedef enum {
ColorWhite = 0x00,
ColorBlack = 0x01,
} Color;
/** Fonts enumeration */
typedef enum {
FontPrimary,
FontSecondary,
FontKeyboard,
FontBigNumbers,
// Keep last for fonts number calculation
FontTotalNumber,
} Font;
/** Alignment enumeration */
typedef enum {
AlignLeft,
AlignRight,
AlignTop,
AlignBottom,
AlignCenter,
} Align;
/** Canvas Orientation */
typedef enum {
CanvasOrientationHorizontal,
CanvasOrientationVertical,
} CanvasOrientation;
/** Font Direction */
typedef enum {
CanvasDirectionLeftToRight,
CanvasDirectionTopToBottom,
CanvasDirectionRightToLeft,
CanvasDirectionBottomToTop,
} CanvasDirection;
/** Font parameters */
typedef struct {
uint8_t leading_default;
uint8_t leading_min;
uint8_t height;
uint8_t descender;
} CanvasFontParameters;
/** Canvas anonymouse structure */
typedef struct Canvas Canvas;
/** Get Canvas width
*
* @param canvas Canvas instance
*
* @return width in pixels.
*/
uint8_t canvas_width(Canvas* canvas);
/** Get Canvas height
*
* @param canvas Canvas instance
*
* @return height in pixels.
*/
uint8_t canvas_height(Canvas* canvas);
/** Get current font height
*
* @param canvas Canvas instance
*
* @return height in pixels.
*/
uint8_t canvas_current_font_height(Canvas* canvas);
/** Get font parameters
*
* @param canvas Canvas instance
* @param font Font
*
* @return pointer to CanvasFontParameters structure
*/
CanvasFontParameters* canvas_get_font_params(Canvas* canvas, Font font);
/** Clear canvas
*
* @param canvas Canvas instance
*/
void canvas_clear(Canvas* canvas);
/** Set drawing color
*
* @param canvas Canvas instance
* @param color Color
*/
void canvas_set_color(Canvas* canvas, Color color);
/** Set font swap
* Argument String Rotation Description
*
* @param canvas Canvas instance
* @param dir Direction font
*/
void canvas_set_font_direction(Canvas* canvas, CanvasDirection dir);
/** Invert drawing color
*
* @param canvas Canvas instance
*/
void canvas_invert_color(Canvas* canvas);
/** Set drawing font
*
* @param canvas Canvas instance
* @param font Font
*/
void canvas_set_font(Canvas* canvas, Font font);
/** Draw string at position of baseline defined by x, y.
*
* @param canvas Canvas instance
* @param x anchor point x coordinate
* @param y anchor point y coordinate
* @param str C-string
*/
void canvas_draw_str(Canvas* canvas, uint8_t x, uint8_t y, const char* str);
/** Draw aligned string defined by x, y.
*
* Align calculated from position of baseline, string width and ascent (height
* of the glyphs above the baseline)
*
* @param canvas Canvas instance
* @param x anchor point x coordinate
* @param y anchor point y coordinate
* @param horizontal horizontal alignment
* @param vertical vertical alignment
* @param str C-string
*/
void canvas_draw_str_aligned(
Canvas* canvas,
uint8_t x,
uint8_t y,
Align horizontal,
Align vertical,
const char* str);
/** Get string width
*
* @param canvas Canvas instance
* @param str C-string
*
* @return width in pixels.
*/
uint16_t canvas_string_width(Canvas* canvas, const char* str);
/** Get glyph width
*
* @param canvas Canvas instance
* @param[in] symbol character
*
* @return width in pixels
*/
uint8_t canvas_glyph_width(Canvas* canvas, char symbol);
/** Draw animation at position defined by x,y.
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
* @param icon_animation IconAnimation instance
*/
void canvas_draw_icon_animation(
Canvas* canvas,
uint8_t x,
uint8_t y,
IconAnimation* icon_animation);
/** Draw icon at position defined by x,y.
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
* @param icon Icon instance
*/
void canvas_draw_icon(Canvas* canvas, uint8_t x, uint8_t y, const Icon* icon);
/** Draw XBM bitmap
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
* @param w bitmap width
* @param h bitmap height
* @param bitmap pointer to XBM bitmap data
*/
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
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
*/
void canvas_draw_dot(Canvas* canvas, uint8_t x, uint8_t y);
/** Draw box of width, height at x,y
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
* @param width box width
* @param height box height
*/
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
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
* @param width frame width
* @param height frame height
*/
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
*
* @param canvas Canvas instance
* @param x1 x1 coordinate
* @param y1 y1 coordinate
* @param x2 x2 coordinate
* @param y2 y2 coordinate
*/
void canvas_draw_line(Canvas* canvas, uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2);
/** Draw circle at x,y with radius r
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
* @param r radius
*/
void canvas_draw_circle(Canvas* canvas, uint8_t x, uint8_t y, uint8_t r);
/** Draw disc at x,y with radius r
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
* @param r radius
*/
void canvas_draw_disc(Canvas* canvas, uint8_t x, uint8_t y, uint8_t r);
/** Draw triangle with given base and height lengths and their intersection coordinate
*
* @param canvas Canvas instance
* @param x x coordinate of base and height intersection
* @param y y coordinate of base and height intersection
* @param base length of triangle side
* @param height length of triangle height
* @param dir CanvasDirection triangle orientaion
*/
void canvas_draw_triangle(
Canvas* canvas,
uint8_t x,
uint8_t y,
uint8_t base,
uint8_t height,
CanvasDirection dir);
/** Draw glyph
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
* @param ch character
*/
void canvas_draw_glyph(Canvas* canvas, uint8_t x, uint8_t y, uint16_t ch);
/** Set transparency mode
*
* @param canvas Canvas instance
* @param alpha transparency mode
*/
void canvas_set_bitmap_mode(Canvas* canvas, bool alpha);
/** Draw rounded-corner frame of width, height at x,y, with round value raduis
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
* @param width frame width
* @param height frame height
* @param radius frame corner radius
*/
void canvas_draw_rframe(
Canvas* canvas,
uint8_t x,
uint8_t y,
uint8_t width,
uint8_t height,
uint8_t radius);
/** Draw rounded-corner box of width, height at x,y, with round value raduis
*
* @param canvas Canvas instance
* @param x x coordinate
* @param y y coordinate
* @param width box width
* @param height box height
* @param radius box corner radius
*/
void canvas_draw_rbox(
Canvas* canvas,
uint8_t x,
uint8_t y,
uint8_t width,
uint8_t height,
uint8_t radius);
#ifdef __cplusplus
}
#endif
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