is a graphics library that outputs text instead of pixels, so that it can work on older video cards or text terminals (something like an advanced AAlib library).
| import.c (libcaca-0.99.beta19) | : | import.c (libcaca-0.99.beta20.tar.bz2) |
|---|
| /* | | /* |
|
| * libcaca Colour ASCII-Art library | | * libcaca Colour ASCII-Art library |
| * Copyright (c) 2002-2014 Sam Hocevar <sam@hocevar.net> | | * Copyright © 2002—2021 Sam Hocevar <sam@hocevar.net> |
| * All Rights Reserved | | * All Rights Reserved |
| * | | * |
| * This library is free software. It comes without any warranty, to | | * This library is free software. It comes without any warranty, to |
| * the extent permitted by applicable law. You can redistribute it | | * the extent permitted by applicable law. You can redistribute it |
| * and/or modify it under the terms of the Do What the Fuck You Want | | * and/or modify it under the terms of the Do What the Fuck You Want |
| * to Public License, Version 2, as published by Sam Hocevar. See | | * to Public License, Version 2, as published by Sam Hocevar. See |
| * http://www.wtfpl.net/ for more details. | | * http://www.wtfpl.net/ for more details. |
| */ | | */ |
| | |
| /* | | /* |
| * This file contains various import functions. | | * This file contains various import functions. |
| | |
| skipping to change at line 64 | | skipping to change at line 64 |
|---|
| * - \c "text": import ASCII text files. | | * - \c "text": import ASCII text files. |
| * - \c "ansi": import ANSI files. | | * - \c "ansi": import ANSI files. |
| * - \c "utf8": import UTF-8 files with ANSI colour codes. | | * - \c "utf8": import UTF-8 files with ANSI colour codes. |
| * - \c "bin": import BIN files. | | * - \c "bin": import BIN files. |
| * | | * |
| * The number of bytes read is returned. If the file format is valid, but | | * The number of bytes read is returned. If the file format is valid, but |
| * not enough data was available, 0 is returned. | | * not enough data was available, 0 is returned. |
| * | | * |
| * If an error occurs, -1 is returned and \b errno is set accordingly: | | * If an error occurs, -1 is returned and \b errno is set accordingly: |
| * - \c ENOMEM Not enough memory to allocate canvas. | | * - \c ENOMEM Not enough memory to allocate canvas. |
|
| | * - \c EOVERFLOW Importing data caused a value overflow. |
| * - \c EINVAL Invalid format requested. | | * - \c EINVAL Invalid format requested. |
| * | | * |
| * \param cv A libcaca canvas in which to import the file. | | * \param cv A libcaca canvas in which to import the file. |
| * \param data A memory area containing the data to be loaded into the canvas. | | * \param data A memory area containing the data to be loaded into the canvas. |
| * \param len The size in bytes of the memory area. | | * \param len The size in bytes of the memory area. |
| * \param format A string describing the input format. | | * \param format A string describing the input format. |
| * \return The number of bytes read, or 0 if there was not enough data, | | * \return The number of bytes read, or 0 if there was not enough data, |
| * or -1 if an error occurred. | | * or -1 if an error occurred. |
| */ | | */ |
| ssize_t caca_import_canvas_from_memory(caca_canvas_t *cv, void const *data, | | ssize_t caca_import_canvas_from_memory(caca_canvas_t *cv, void const *data, |
| | |
| skipping to change at line 422 | | skipping to change at line 423 |
|---|
| | |
| ssize_t _import_bin(caca_canvas_t *cv, void const *data, size_t len) | | ssize_t _import_bin(caca_canvas_t *cv, void const *data, size_t len) |
| { | | { |
| uint8_t const *buf = (uint8_t const *)data; | | uint8_t const *buf = (uint8_t const *)data; |
| size_t i; | | size_t i; |
| int x = 0, y = 0; | | int x = 0, y = 0; |
| | |
| caca_set_canvas_size(cv, 0, 0); | | caca_set_canvas_size(cv, 0, 0); |
| caca_set_canvas_size(cv, 160, len / 160); | | caca_set_canvas_size(cv, 160, len / 160); |
| | |
|
| | /* Only read an even number of bytes */ |
| | len &= ~(size_t)1; |
| | |
| for (i = 0; i < len; i += 2) | | for (i = 0; i < len; i += 2) |
| { | | { |
| caca_set_color_ansi(cv, buf[i + 1] & 0xf, buf[i + 1] >> 4); | | caca_set_color_ansi(cv, buf[i + 1] & 0xf, buf[i + 1] >> 4); |
| caca_put_char(cv, x, y, caca_cp437_to_utf32(buf[i])); | | caca_put_char(cv, x, y, caca_cp437_to_utf32(buf[i])); |
| | |
| ++x; | | ++x; |
| if (x >= 160) | | if (x >= 160) |
| { | | { |
| ++y; | | ++y; |
| x = 0; | | x = 0; |
| } | | } |
| } | | } |
| | |
|
| return len & ~(size_t)1; | | return len; |
| } | | } |
|
| | | |
| /* | | |
| * XXX: The following functions are aliases. | | |
| */ | | |
| | |
| ssize_t cucul_import_memory(cucul_canvas_t *, void const *, size_t, | | |
| char const *) CACA_ALIAS(caca_import_canvas_from_memory); | | |
| ssize_t cucul_import_file(cucul_canvas_t *, char const *, | | |
| char const *) CACA_ALIAS(caca_import_canvas_from_file); | | |
| ssize_t caca_import_memory(caca_canvas_t *, void const *, size_t, char const *) | | |
| CACA_ALIAS(caca_import_canvas_from_memory); | | |
| ssize_t caca_import_file(caca_canvas_t *, char const *, char const *) | | |
| CACA_ALIAS(caca_import_canvas_from_file); | | |
| char const * const * cucul_get_import_list(void) | | |
| CACA_ALIAS(caca_get_import_list); | | |
| | | |
| End of changes. 5 change blocks. |
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| 4 lines changed or deleted | | 8 lines changed or added |
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