canvas_i.h

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#pragma once
 
#include "canvas.h"
#include <u8g2.h>
#include <toolbox/compress.h>
#include <m-array.h>
#include <m-algo.h>
#include <furi.h>
 
#define ICON_DECOMPRESSOR_BUFFER_SIZE (128u * 64 / 8)
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef void (*CanvasCommitCallback)(
    uint8_t* data,
    size_t size,
    CanvasOrientation orientation,
    void* context);
 
typedef struct {
    CanvasCommitCallback callback;
    void* context;
} CanvasCallbackPair;
 
ARRAY_DEF(CanvasCallbackPairArray, CanvasCallbackPair, M_POD_OPLIST);
 
#define M_OPL_CanvasCallbackPairArray_t() ARRAY_OPLIST(CanvasCallbackPairArray, M_POD_OPLIST)
 
ALGO_DEF(CanvasCallbackPairArray, CanvasCallbackPairArray_t);
 
struct Canvas {
    u8g2_t fb;
    CanvasOrientation orientation;
    size_t offset_x;
    size_t offset_y;
    size_t width;
    size_t height;
    CompressIcon* compress_icon;
    CanvasCallbackPairArray_t canvas_callback_pair;
    FuriMutex* mutex;
};
 
Canvas* canvas_init(void);
 
void canvas_free(Canvas* canvas);
 
uint8_t* canvas_get_buffer(Canvas* canvas);
 
size_t canvas_get_buffer_size(const Canvas* canvas);
 
void canvas_frame_set(
    Canvas* canvas,
    int32_t offset_x,
    int32_t offset_y,
    size_t width,
    size_t height);
 
void canvas_set_orientation(Canvas* canvas, CanvasOrientation orientation);
 
CanvasOrientation canvas_get_orientation(const Canvas* canvas);
 
void canvas_draw_u8g2_bitmap(
    u8g2_t* u8g2,
    int32_t x,
    int32_t y,
    size_t width,
    size_t height,
    const uint8_t* bitmap,
    IconRotation rotation);
 
void canvas_add_framebuffer_callback(Canvas* canvas, CanvasCommitCallback callback, void* context);
 
void canvas_remove_framebuffer_callback(
    Canvas* canvas,
    CanvasCommitCallback callback,
    void* context);
 
#ifdef __cplusplus
}
#endif