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34 lines
977 B
C
34 lines
977 B
C
/*
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#pragma once
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#include <stdint.h>
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#include "esp_err.h"
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#define IMAGE_W 320
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#define IMAGE_H 240
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Decode the jpeg ``image.jpg`` embedded into the program file into pixel data.
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*
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* @param pixels A pointer to a pointer for an array of rows, which themselves are an array of pixels.
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* Effectively, you can get the pixel data by doing ``decode_image(&myPixels); pixelval=myPixels[ypos][xpos];``
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* @return - ESP_ERR_NOT_SUPPORTED if image is malformed or a progressive jpeg file
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* - ESP_ERR_NO_MEM if out of memory
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* - ESP_OK on succesful decode
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*/
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esp_err_t decode_image(uint16_t **pixels);
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#ifdef __cplusplus
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}
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#endif
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