Files
projectm/src/api/include/libprojectM/core.h
Kai Blaschke 1f33c810b3 Split up API headers into smaller, categorized files.
Also updated copyright and prefixed the render-related function with "opengl".
2023-01-18 12:57:57 +01:00

99 lines
3.7 KiB
C

/**
* @file core.h
* @copyright 2003-2023 projectM Team
* @brief Core functions to instantiate, destroy and control projectM.
*
* projectM -- Milkdrop-esque visualisation SDK
* Copyright (C)2003-2023 projectM Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* See 'LICENSE.txt' included within this release
*
*/
#pragma once
#include "libprojectM/types.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Creates a new projectM instance.
* @return A projectM handle for the newly created instance that must be used in subsequent API calls.
* NULL if the instance could not be created successfully.
*/
PROJECTM_EXPORT projectm_handle projectm_create();
/**
* @brief Destroys the given instance and frees the resources.
*
* After destroying the handle, it must not be used for any other calls to the API.
*
* @param instance A handle returned by projectm_create() or projectm_create_settings().
*/
PROJECTM_EXPORT void projectm_destroy(projectm_handle instance);
/**
* @brief Loads a preset from the given filename/URL.
*
* Ideally, the filename should be given as a standard local path. projectM also supports loading
* "file://" URLs. Additionally, the special filename "idle://" can be used to load the default
* idle preset, displaying the "M" logo.
*
* Other URL schemas aren't supported and will cause a loading error.
*
* If the preset can't be loaded, no switch takes place and the current preset will continue to
* be displayed. Note that if there's a transition in progress when calling this function, the
* transition will be finished immediately, even if the new preset can't be loaded.
*
* @param instance The projectM instance handle.
* @param filename The preset filename or URL to load.
* @param smooth_transition If true, the new preset is smoothly blended over.
*/
PROJECTM_EXPORT void projectm_load_preset_file(projectm_handle instance, const char* filename,
bool smooth_transition);
/**
* @brief Loads a preset from the data pointer.
*
* Currently, the preset data is assumed to be in Milkdrop format.
*
* If the preset can't be loaded, no switch takes place and the current preset will continue to
* be displayed. Note that if there's a transition in progress when calling this function, the
* transition will be finished immediately, even if the new preset can't be loaded.
*
* @param instance The projectM instance handle.
* @param data The preset contents to load.
* @param smooth_transition If true, the new preset is smoothly blended over.
*/
PROJECTM_EXPORT void projectm_load_preset_data(projectm_handle instance, const char* data,
bool smooth_transition);
/**
* @brief Reloads all textures.
*
* Calling this method will clear and reload all textures, including the main rendering texture.
* Can cause a small delay/lag in rendering. Only use if texture paths were changed.
*
* @param instance The projectM instance handle.
*/
PROJECTM_EXPORT void projectm_reset_textures(projectm_handle instance);
#ifdef __cplusplus
} // extern "C"
#endif