94 lines
3.0 KiB
C
94 lines
3.0 KiB
C
/* This file is part of identiconpp.
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* Copyright © 2019 tastytea <tastytea@tastytea.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef IDENTICONPP_C_H
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#define IDENTICONPP_C_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdbool.h>
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#include <stdint.h>
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#include <stddef.h>
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/*!
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* @brief C interface for identiconpp.
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* @file identiconpp_c.h
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* @example example.c
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*/
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/*!
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* @brief List of identicon algorithms
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*/
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typedef enum
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{
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//! Generates symmetric (vertically mirrored) identicons.
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identiconpp_ltr_symmetric,
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//! Generates asymmetric identicons.
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identiconpp_ltr_asymmetric,
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/*!
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* Generates the same results as
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* [sigil](https://github.com/cupcake/sigil/) and
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* [pydenticon](https://github.com/azaghal/pydenticon/).
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*/
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identiconpp_sigil
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} identiconpp_algorithm;
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/*!
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* @brief Setup identicon parameters.
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*
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* @param columns Number of columns
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* @param rows Number of rows
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* @param type The algorithm to use
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* @param background Background color, hexadecimal, rrggbbaa
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* @param foreground Array of foreground colors
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* @param foreground_len Length of the array of foreground colors
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* @param padding Padding in pixels { left & right, top & down }
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*
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* @return false on error, true otherwise.
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*/
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bool identiconpp_setup(const uint8_t columns, const uint8_t rows,
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identiconpp_algorithm type,
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const char background[9],
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const char foreground[][9],
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const uint8_t foreground_len,
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const uint8_t padding[2]);
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/*!
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* @brief Generates identicon from digest.
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*
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* @param magick See http://imagemagick.org/script/formats.php
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* @param digest The pre-computed digest
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* @param width The width of the identicon
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*
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* @return Length of the generated base64-string, or 0 on error.
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*/
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uint64_t identiconpp_generate(const char magick[],
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const char digest[], const uint16_t width);
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/*!
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* @brief Return base64-encoded string of the image generated with
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* identiconpp_generate().
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*/
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const char *identiconpp_base64();
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#ifdef __cplusplus
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}
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#endif
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#endif // IDENTICONPP_C_H
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