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).
| caca.c (libcaca-0.99.beta19) | : | caca.c (libcaca-0.99.beta20.tar.bz2) |
|---|
| /* | | /* |
|
| * libcaca Colour ASCII-Art library | | * libcaca Colour ASCII-Art library |
| * Copyright (c) 2006-2012 Sam Hocevar <sam@hocevar.net> | | * Copyright © 2006—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 the main functions used by \e libcaca applications to | | * This file contains the main functions used by \e libcaca applications to |
| | |
| skipping to change at line 59 | | skipping to change at line 59 |
|---|
| * | | * |
| * Create a graphical context using device-dependent features (ncurses for | | * Create a graphical context using device-dependent features (ncurses for |
| * terminals, an X11 window, a DOS command window...) that attaches to a | | * terminals, an X11 window, a DOS command window...) that attaches to a |
| * libcaca canvas. Everything that gets drawn in the libcaca canvas can | | * libcaca canvas. Everything that gets drawn in the libcaca canvas can |
| * then be displayed by the libcaca driver. | | * then be displayed by the libcaca driver. |
| * | | * |
| * If no caca canvas is provided, a new one is created. Its handle can be | | * If no caca canvas is provided, a new one is created. Its handle can be |
| * retrieved using caca_get_canvas() and it is automatically destroyed when | | * retrieved using caca_get_canvas() and it is automatically destroyed when |
| * caca_free_display() is called. | | * caca_free_display() is called. |
| * | | * |
|
| | * Note that in order to achieve maximum Unicode compatibility, the driver |
| | * initialisation code may temporarily change the program’s global LC_CTYPE |
| | * locale using setlocale(). It is advised not to call LC_CTYPE-dependent |
| | * functions from other threads during the call to caca_create_display(). |
| | * The locale settings are restored when the function returns. |
| | * |
| * See also caca_create_display_with_driver(). | | * See also caca_create_display_with_driver(). |
| * | | * |
| * If an error occurs, NULL is returned and \b errno is set accordingly: | | * If an error occurs, NULL is returned and \b errno is set accordingly: |
| * - \c ENOMEM Not enough memory. | | * - \c ENOMEM Not enough memory. |
| * - \c ENODEV Graphical device could not be initialised. | | * - \c ENODEV Graphical device could not be initialised. |
| * | | * |
| * \param cv The caca canvas or NULL to create a canvas automatically. | | * \param cv The caca canvas or NULL to create a canvas automatically. |
| * \return The caca graphical context or NULL if an error occurred. | | * \return The caca graphical context or NULL if an error occurred. |
| */ | | */ |
| caca_display_t * caca_create_display(caca_canvas_t *cv) | | caca_display_t * caca_create_display(caca_canvas_t *cv) |
| | |
| skipping to change at line 278 | | skipping to change at line 284 |
|---|
| * This function never fails. | | * This function never fails. |
| * | | * |
| * \return The \e libcaca version information. | | * \return The \e libcaca version information. |
| */ | | */ |
| char const * caca_get_version(void) | | char const * caca_get_version(void) |
| { | | { |
| return PACKAGE_VERSION; | | return PACKAGE_VERSION; |
| } | | } |
| | |
| /* | | /* |
|
| | * XXX: The following functions are private. |
| | */ |
| | |
| | extern void *_caca_alloc2d(size_t width, size_t height, size_t elem_size) |
| | { |
| | if (width == 0 || height == 0 || elem_size == 0 || SIZE_MAX / width / height |
| | < elem_size) |
| | return NULL; |
| | return malloc(width * height * elem_size); |
| | } |
| | |
| | /* |
| * XXX: The following functions are local. | | * XXX: The following functions are local. |
| */ | | */ |
| | |
| static int caca_can_resize(caca_display_t *dp) | | static int caca_can_resize(caca_display_t *dp) |
| { | | { |
| return dp->resize.allow; | | return dp->resize.allow; |
| } | | } |
| | |
| static int caca_install_driver(caca_display_t *dp, char const *driver) | | static int caca_install_driver(caca_display_t *dp, char const *driver) |
| { | | { |
| | |
| skipping to change at line 469 | | skipping to change at line 486 |
|---|
| sym = dlsym(dp->plugin, buf); | | sym = dlsym(dp->plugin, buf); |
| if(!sym) | | if(!sym) |
| { | | { |
| dlclose(dp->plugin); | | dlclose(dp->plugin); |
| return -1; | | return -1; |
| } | | } |
| | |
| return sym(dp); | | return sym(dp); |
| } | | } |
| #endif | | #endif |
|
| | | |
| /* | | |
| * XXX: The following functions are aliases. | | |
| */ | | |
| | |
| char const * cucul_get_version(void) CACA_ALIAS(caca_get_version); | | |
| | | |
| End of changes. 4 change blocks. |
|---|
| 3 lines changed or deleted | | 21 lines changed or added |
|---|
"Fossies" - the Fresh Open Source Software Archive 