166 lines
4.3 KiB
C
166 lines
4.3 KiB
C
/* *****************************************************************************
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* manage/handle.c -- create, free a handle.
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* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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*
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* This file is part of libg1m.
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* libg1m is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3.0 of the License,
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* or (at your option) any later version.
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*
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* libg1m 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.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libg1m; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************** */
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#include <libg1m/internals.h>
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/* ************************************************************************** */
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/* Make a handle */
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/* ************************************************************************** */
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/**
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* g1m_make_picture:
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* Make a picture handle.
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*
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* @arg handle the handle to make.
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* @arg width the picture width.
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* @arg height the picture height.
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* @return the error code (0 if ok).
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*/
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int g1m_make_picture(g1m_t **h, unsigned int width, unsigned int height)
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{
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/* allocate the handle */
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*h = malloc(sizeof(g1m_t));
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if (!*h) return (g1m_error_alloc);
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g1m_t *handle = *h;
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/* allocate the pixels */
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handle->width = width;
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handle->height = height;
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handle->pixels = alloc_pixels(width, height);
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if (!handle->pixels) { free(*h); *h = NULL; return (g1m_error_alloc); }
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prepare_pixels(handle->pixels, width, height)
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/* everything went well! */
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return (0);
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}
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/**
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* g1m_make_mcs:
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* Make an MCS file.
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*
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* @arg h pointer to the handle to create.
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* @arg count the number of slots in the index.
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* @return the error code (0 if ok).
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*/
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int g1m_make_mcs(g1m_t **h, int count)
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{
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/* allocate the handle */
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*h = malloc(sizeof(g1m_t));
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if (!*h) return (g1m_error_alloc);
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/* initialize it */
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g1m_t *handle = *h;
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handle->type = g1m_type_mcs;
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handle->platform = g1m_platform_fx;
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/* allocate space */
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handle->count = count; handle->_size = count;
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handle->files = NULL;
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if (count) {
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handle->files = malloc(sizeof(g1m_mcsfile_t*) * count);
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if (!handle->files) { free(*h); *h = NULL; return (g1m_error_alloc); }
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memset(handle->files, 0, sizeof(g1m_mcsfile_t*) * count);
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}
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/* no error */
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return (0);
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}
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/* ************************************************************************** */
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/* Free a handle */
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/* ************************************************************************** */
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/**
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* g1m_free_mcs:
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* Free all of the MCS.
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*
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* @arg handle the handle to close.
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*/
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void g1m_free_mcs(g1m_t *handle)
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{
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/* check if mcs */
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if (!handle->files)
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return ;
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/* foreach file in mcs */
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g1m_mcsfile_t **files = handle->files;
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int file_count = handle->count;
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for (int i = 0; i < file_count; i++) {
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/* free the file if exists */
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if (files[i]) g1m_free_mcsfile(files[i]);
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}
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free(handle->files); handle->files = NULL;
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}
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/**
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* g1m_free_content:
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* Free handle data.
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*
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* @arg handle the handle to close.
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*/
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void g1m_free_content(g1m_t *handle)
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{
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/* addin time! */
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if (handle->type & g1m_type_addin)
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free(handle->pixels);
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/* mcs time! */
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if (handle->type & g1m_type_mcs)
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g1m_free_mcs(handle);
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/* messages time! */
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if (handle->type & g1m_type_lang
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&& handle->messages) {
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for (int i = 0; i < handle->count; i++)
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free(handle->messages[i]);
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free(handle->messages);
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}
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/* function keys time! */
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if (handle->type & g1m_type_fkey
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&& handle->fkeys) {
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for (int i = 0; i < handle->count; i++)
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free(handle->fkeys[i]);
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free(handle->fkeys);
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}
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/* picture time! */
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if (handle->type & g1m_type_picture)
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free(handle->pixels);
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/* e-activities time! */
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if (handle->type & g1m_type_eact)
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g1m_free_line_content(handle->line);
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}
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/**
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* g1m_free:
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* Free a handle and its data.
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*
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* @arg handle the handle.
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*/
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void g1m_free(g1m_t *handle)
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{
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if (!handle) return ;
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g1m_free_content(handle);
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free(handle);
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}
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