Esempio n. 1
0
void glkjni_c_shutdown(void)
{
    gli_register_obj = NULL;
    gli_unregister_obj = NULL;
    gli_register_arr = NULL;
    gli_unregister_arr = NULL;
    giblorb_destroy_map(blorbmap);
}
Esempio n. 2
0
/* Internal function: shut down all requests and anything not necessary while
 showing the last displayed configuration of windows. */
void
shutdown_glk_pre(void)
{
	ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);

	/* Stop any timers */
	glk_request_timer_events(0);
	
	/* Cancel any pending input requests and flush all window buffers */
	winid_t win;
	for(win = glk_window_iterate(NULL, NULL); win; win = glk_window_iterate(win, NULL))
	{
		switch(win->input_request_type)
		{
			case INPUT_REQUEST_CHARACTER:
			case INPUT_REQUEST_CHARACTER_UNICODE:
				glk_cancel_char_event(win);
				break;
			case INPUT_REQUEST_LINE:
			case INPUT_REQUEST_LINE_UNICODE:
				glk_cancel_line_event(win, NULL);
				break;
			case INPUT_REQUEST_NONE:
			default:
				; /* TODO: Handle mouse and hyperlink requests */
		}
		
		flush_window_buffer(win);
	}
	
	/* Close any open resource files */
	if(glk_data->resource_map != NULL) {
		giblorb_destroy_map(glk_data->resource_map);
		glk_data->resource_map = NULL;
		glk_stream_close(glk_data->resource_file, NULL);
	}
	
	/* Empty the input queues */
	while(g_async_queue_try_pop(glk_data->char_input_queue))
		;
	while(g_async_queue_try_pop(glk_data->line_input_queue))
		;
	
	/* Wait for any pending window rearrange */
	g_mutex_lock(&glk_data->arrange_lock);
	if(glk_data->needs_rearrange)
		g_cond_wait(&glk_data->rearranged, &glk_data->arrange_lock);
	g_mutex_unlock(&glk_data->arrange_lock);
}
Esempio n. 3
0
/**
 * giblorb_set_resource_map:
 * @file: The file stream to read the resource map from
 *
 * This function tells the library that the file is indeed the Blorby source
 * of all resource goodness. Whenever your program calls an image or sound
 * function, such as glk_image_draw(), the library will search this file for
 * the resource you request. 
 *
 * Do <emphasis>not</emphasis> close the stream after calling this function. 
 * The library is responsible for closing the stream at shutdown time.
 *
 * Returns: a Blorb error code.
 */
giblorb_err_t
giblorb_set_resource_map(strid_t file)
{
	ChimaraGlkPrivate *glk_data = g_private_get(&glk_data_key);
	giblorb_map_t *newmap; /* create map allocates memory */
	giblorb_err_t error = giblorb_create_map(file, &newmap);

	if(error != giblorb_err_None) {
		g_free(newmap);
		return error;
	}

	/* Check if there was already an existing resource map */
	if(glk_data->resource_map != NULL) {
		WARNING("Overwriting existing resource map.\n");
		giblorb_destroy_map(glk_data->resource_map);
		glk_stream_close(glk_data->resource_file, NULL);
	}

	glk_data->resource_map = newmap;
	glk_data->resource_file = file;

	return giblorb_err_None;
}
Esempio n. 4
0
giblorb_err_t giblorb_create_map(strid_t file, giblorb_map_t **newmap)
{
    giblorb_err_t err;
    giblorb_map_t *map;
    glui32 readlen;
    glui32 nextpos, totallength;
    giblorb_chunkdesc_t *chunks;
    int chunks_size, numchunks;
    char buffer[16];
    
    *newmap = NULL;
    
    if (!lib_inited) {
        err = giblorb_initialize();
        if (err)
            return err;
        lib_inited = TRUE;
    }

    /* First, chew through the file and index the chunks. */
    
    glk_stream_set_position(file, 0, seekmode_Start);
    
    readlen = glk_get_buffer_stream(file, buffer, 12);
    if (readlen != 12)
        return giblorb_err_Read;
    
    if (giblorb_native4(buffer+0) != giblorb_ID_FORM)
        return giblorb_err_Format;
    if (giblorb_native4(buffer+8) != giblorb_ID_IFRS)
        return giblorb_err_Format;
    
    totallength = giblorb_native4(buffer+4) + 8;
    nextpos = 12;

    chunks_size = 8;
    numchunks = 0;
    chunks = (giblorb_chunkdesc_t *)giblorb_malloc(sizeof(giblorb_chunkdesc_t) 
        * chunks_size);

    while (nextpos < totallength) {
        glui32 type, len;
        int chunum;
        giblorb_chunkdesc_t *chu;
        
        glk_stream_set_position(file, nextpos, seekmode_Start);
        
        readlen = glk_get_buffer_stream(file, buffer, 8);
        if (readlen != 8)
            return giblorb_err_Read;
        
        type = giblorb_native4(buffer+0);
        len = giblorb_native4(buffer+4);
        
        if (numchunks >= chunks_size) {
            chunks_size *= 2;
            chunks = (giblorb_chunkdesc_t *)giblorb_realloc(chunks, 
                sizeof(giblorb_chunkdesc_t) * chunks_size);
        }
        
        chunum = numchunks;
        chu = &(chunks[chunum]);
        numchunks++;
        
        chu->type = type;
        chu->startpos = nextpos;
        if (type == giblorb_ID_FORM) {
            chu->datpos = nextpos;
            chu->len = len+8;
        }
        else {
            chu->datpos = nextpos+8;
            chu->len = len;
        }
        chu->ptr = NULL;
        chu->auxdatnum = -1;
        
        nextpos = nextpos + len + 8;
        if (nextpos & 1)
            nextpos++;
            
        if (nextpos > totallength)
            return giblorb_err_Format;
    }
    
    /* The basic IFF structure seems to be ok, and we have a list of
        chunks. Now we allocate the map structure itself. */
    
    map = (giblorb_map_t *)giblorb_malloc(sizeof(giblorb_map_t));
    if (!map) {
        giblorb_free(chunks);
        return giblorb_err_Alloc;
    }
        
    map->inited = giblorb_Inited_Magic;
    map->file = file;
    map->chunks = chunks;
    map->numchunks = numchunks;
    map->resources = NULL;
    map->ressorted = NULL;
    map->numresources = 0;
    /*map->releasenum = 0;
    map->zheader = NULL;
    map->resolution = NULL;
    map->palettechunk = -1;
    map->palette = NULL;
    map->auxsound = NULL;
    map->auxpict = NULL;*/
    
    /* Now we do everything else involved in loading the Blorb file,
        such as building resource lists. */
    
    err = giblorb_initialize_map(map);
    if (err) {
        giblorb_destroy_map(map);
        return err;
    }
    
    *newmap = map;
    return giblorb_err_None;
}
Esempio n. 5
0
giblorb_err_t wrap_gib_destroy_map(giblorb_map_t *map)
{
  return giblorb_destroy_map(map);
}