unleashed-firmware/applications/gui/canvas.c
coreglitch b2a12d091a
Display and UI implementation (#169)
* Menu app. Lib: add mlib submodule.

* Menu: new startup lib dependency definition

* Menu: hierarchy in menu. Cube: fix heap1/4 inconsistency, stack protection.

* GUI: rendering pipeline initial version.

* GUI: layered widget composing, FURI record. Menu: FURI record, api.

* GUI: input dispatching. Menu: switch to input from GUI.

* GUI, MENU: code style cleanup, fix type conversion warnings.

* GUI, Menu: syntax check.

* Makefile: check and reinit submodules, format.

* Menu: lock on event processing. Makefile: proper submodule initialization.

* Menu: fix stack corruption by queue.

* GUI: refactor.

* Makefile: format rule fix, st-util pid.

* GUI, Menu, FURI: format with clang-format.

* GUI, MENU: locks in critical sections, fix stack corruption, ready signaling.

* Makefile: clang format rule cleanup.

* GUI,MENU: migrate to new API.

* Applications: PRODUCTION_HW variable, skip drivers build on local target.

* refactor production build

* add git to dockerfile

* GUI: uncomment lock block

Co-authored-by: Aleksandr Kutuzov <aku@plooks.com>
2020-10-14 13:21:55 +03:00

79 lines
1.7 KiB
C

#include "canvas.h"
#include "canvas_i.h"
#include <assert.h>
#include <flipper.h>
#include <u8g2.h>
struct Canvas {
FuriRecordSubscriber* fb_record;
u8g2_t* fb;
uint8_t offset_x;
uint8_t offset_y;
uint8_t width;
uint8_t height;
};
Canvas* canvas_alloc() {
Canvas* canvas = furi_alloc(sizeof(Canvas));
canvas->fb_record = furi_open_deprecated("u8g2_fb", false, false, NULL, NULL, NULL);
assert(canvas->fb_record);
return canvas;
}
void canvas_free(Canvas* canvas) {
assert(canvas);
free(canvas);
}
void canvas_commit(Canvas* canvas) {
assert(canvas);
if(canvas->fb) {
furi_commit(canvas->fb_record);
canvas->fb = NULL;
}
}
void canvas_frame_set(
Canvas* canvas,
uint8_t offset_x,
uint8_t offset_y,
uint8_t width,
uint8_t height) {
assert(canvas);
canvas->offset_x = offset_x;
canvas->offset_y = offset_y;
canvas->width = width;
canvas->height = height;
}
u8g2_t* canvas_fb(Canvas* canvas) {
if(!canvas->fb) {
canvas->fb = furi_take(canvas->fb_record);
assert(canvas->fb);
}
return canvas->fb;
}
void canvas_clear(Canvas* canvas) {
u8g2_t* fb = canvas_fb(canvas);
u8g2_ClearBuffer(fb);
}
void canvas_color_set(Canvas* canvas, uint8_t color) {
u8g2_t* fb = canvas_fb(canvas);
u8g2_SetDrawColor(fb, 1);
}
void canvas_font_set(Canvas* canvas, font_t font) {
u8g2_t* fb = canvas_fb(canvas);
u8g2_SetFontMode(fb, 1);
u8g2_SetFont(fb, font);
}
void canvas_str_draw(Canvas* canvas, uint8_t x, uint8_t y, const char* str) {
x += canvas->offset_x;
y += canvas->offset_y;
u8g2_t* fb = canvas_fb(canvas);
u8g2_DrawStr(fb, x, y, str);
}