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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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/* _gxe_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 checks for errors in creating an image reader */ |
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/* instance. */ |
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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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/* status Completion status */ |
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/* */ |
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/* CALLS */ |
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/* _gx_image_reader_create Actual image reader create call. */ |
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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 _gxe_image_reader_create(GX_IMAGE_READER *image_reader, |
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GX_CONST GX_UBYTE *read_data, |
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INT read_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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UINT status; |
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/* Check for invalid input pointers. */ |
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✓✓✓✓
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if ((image_reader == GX_NULL) || (read_data == GX_NULL)) |
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{ |
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return(GX_PTR_ERROR); |
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} |
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✓✓ |
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if (read_data_size <= 20) |
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{ |
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return(GX_INVALID_VALUE); |
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} |
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/* Call the actual image reader info set function. */ |
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status = _gx_image_reader_create(image_reader, read_data, read_data_size, color_format, mode); |
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/* Return completion status. */ |
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return status; |
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} |
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#endif |
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