45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2023 Jeff Epler for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/obj.h"
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#include "lib/tjpgd/src/tjpgd.h"
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#include "shared-module/displayio/Bitmap.h"
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#define TJPGD_WORKSPACE_SIZE 3500
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typedef struct jpegio_jpegdecoder_obj {
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mp_obj_base_t base;
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JDEC decoder;
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byte workspace[TJPGD_WORKSPACE_SIZE];
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mp_obj_t data_obj;
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mp_buffer_info_t bufinfo;
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displayio_bitmap_t *dest;
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uint16_t x, y;
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bitmaptools_rect_t lim;
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uint32_t skip_source_index, skip_dest_index;
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bool skip_source_index_none, skip_dest_index_none;
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uint8_t scale;
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} jpegio_jpegdecoder_obj_t;
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