mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-23 13:03:13 +00:00
150 lines
No EOL
3.3 KiB
C
150 lines
No EOL
3.3 KiB
C
/**
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* @file canvas_i.h
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* GUI: internal Canvas API
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*/
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#pragma once
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#include "canvas.h"
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#include <u8g2.h>
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#include <toolbox/compress.h>
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#include <m-array.h>
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#include <m-algo.h>
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#include <furi.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void (*CanvasCommitCallback)(
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uint8_t* data,
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size_t size,
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CanvasOrientation orientation,
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void* context);
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typedef struct {
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CanvasCommitCallback callback;
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void* context;
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} CanvasCallbackPair;
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ARRAY_DEF(CanvasCallbackPairArray, CanvasCallbackPair, M_POD_OPLIST);
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#define M_OPL_CanvasCallbackPairArray_t() ARRAY_OPLIST(CanvasCallbackPairArray, M_POD_OPLIST)
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ALGO_DEF(CanvasCallbackPairArray, CanvasCallbackPairArray_t);
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/** Canvas structure
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*/
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struct Canvas {
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u8g2_t fb;
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CanvasOrientation orientation;
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uint8_t offset_x;
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uint8_t offset_y;
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uint8_t width;
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uint8_t height;
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CompressIcon* compress_icon;
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CanvasCallbackPairArray_t canvas_callback_pair;
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FuriMutex* mutex;
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};
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/** Allocate memory and initialize canvas
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*
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* @return Canvas instance
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*/
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Canvas* canvas_init();
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/** Free canvas memory
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*
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* @param canvas Canvas instance
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*/
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void canvas_free(Canvas* canvas);
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/** Get canvas buffer.
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*
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* @param canvas Canvas instance
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*
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* @return pointer to buffer
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*/
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uint8_t* canvas_get_buffer(Canvas* canvas);
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/** Get canvas buffer size.
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*
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* @param canvas Canvas instance
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*
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* @return size of canvas in bytes
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*/
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size_t canvas_get_buffer_size(const Canvas* canvas);
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/** Set drawing region relative to real screen buffer
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*
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* @param canvas Canvas instance
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* @param offset_x x coordinate offset
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* @param offset_y y coordinate offset
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* @param width width
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* @param height height
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*/
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void canvas_frame_set(
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Canvas* canvas,
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uint8_t offset_x,
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uint8_t offset_y,
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uint8_t width,
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uint8_t height);
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/** Set canvas orientation
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*
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* @param canvas Canvas instance
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* @param orientation CanvasOrientation
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*/
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void canvas_set_orientation(Canvas* canvas, CanvasOrientation orientation);
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/** Get canvas orientation
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*
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* @param canvas Canvas instance
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*
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* @return CanvasOrientation
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*/
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CanvasOrientation canvas_get_orientation(const Canvas* canvas);
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/** Draw a u8g2 bitmap
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*
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* @param canvas Canvas instance
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* @param x x coordinate
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* @param y y coordinate
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* @param width width
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* @param height height
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* @param bitmap bitmap
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* @param rotation rotation
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*/
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void canvas_draw_u8g2_bitmap(
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u8g2_t* u8g2,
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uint8_t x,
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uint8_t y,
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uint8_t width,
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uint8_t height,
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const uint8_t* bitmap,
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uint8_t rotation);
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/** Add canvas commit callback.
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*
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* This callback will be called upon Canvas commit.
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*
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* @param canvas Canvas instance
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* @param callback CanvasCommitCallback
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* @param context CanvasCommitCallback context
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*/
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void canvas_add_framebuffer_callback(Canvas* canvas, CanvasCommitCallback callback, void* context);
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/** Remove canvas commit callback.
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*
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* @param canvas Canvas instance
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* @param callback CanvasCommitCallback
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* @param context CanvasCommitCallback context
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*/
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void canvas_remove_framebuffer_callback(
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Canvas* canvas,
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CanvasCommitCallback callback,
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void* context);
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#ifdef __cplusplus
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}
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#endif |