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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** GUIX Component */ |
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/** */ |
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/** Image Reader Management (Image Reader) */ |
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/** */ |
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/**************************************************************************/ |
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#define GX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "gx_api.h" |
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#include "gx_image_reader.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_image_reader_create PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function creates a runtime raw image reader / decoder. */ |
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/* Currently only jpeg and png raw image types are supported. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* image_reader Image reader control block. */ |
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/* read_data Pointer to raw input data. */ |
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/* read_data_size Size of raw input data. */ |
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/* color_format The requested output color format */ |
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/* mode Compress dither and alpha modes flags */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* Completion Status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* */ |
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/**************************************************************************/ |
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#if defined(GX_SOFTWARE_DECODER_SUPPORT) |
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UINT _gx_image_reader_create(GX_IMAGE_READER *image_reader, |
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GX_CONST GX_UBYTE *data, |
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INT data_size, |
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GX_UBYTE color_format, |
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GX_UBYTE mode) |
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{ |
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image_reader -> gx_image_reader_color_format = color_format; |
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image_reader -> gx_image_reader_mode = mode; |
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image_reader -> gx_image_reader_image_type = 0; |
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image_reader -> gx_image_reader_source_data = data; |
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image_reader -> gx_image_reader_source_data_size = (UINT)data_size; |
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image_reader -> gx_image_reader_getdata = GX_NULL; |
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image_reader -> gx_image_reader_getauxdata = GX_NULL; |
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image_reader -> gx_image_reader_putauxdata = GX_NULL; |
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image_reader -> gx_image_reader_palette = GX_NULL; |
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image_reader -> gx_image_reader_palette_size = 0; |
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image_reader -> gx_image_reader_image_height = 0; |
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image_reader -> gx_image_reader_image_width = 0; |
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image_reader -> gx_image_reader_png_trans = 0; |
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image_reader -> gx_image_reader_png_palette = GX_NULL; |
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image_reader -> gx_image_reader_png_palette_size = 0; |
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image_reader -> gx_image_reader_putdata = GX_NULL; |
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image_reader -> gx_image_reader_putauxdata = GX_NULL; |
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image_reader -> gx_image_reader_pixel_read = GX_NULL; |
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image_reader -> gx_image_reader_pixel_write = GX_NULL; |
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image_reader -> gx_image_reader_size_testing = GX_FALSE; |
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image_reader -> gx_image_reader_mono_shreshold = 128; |
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image_reader -> gx_image_reader_putdata_mask = 0; |
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image_reader -> gx_image_reader_putauxdata_mask = 0; |
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return GX_SUCCESS; |
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} |
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#endif |
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