b4ceb55fd2
* Canvas with rotation * Full icon rotation, cleanup of unused resources * F18 API update * Bitmap draw cleanup * More cleaning up * Migrate recovery and DFU to canvas * Make the internal draw function static * Remove all calls to u8g2_DrawXBM Co-authored-by: あく <alleteam@gmail.com>
100 lines
2.0 KiB
C
100 lines
2.0 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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/** 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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};
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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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