/* LEAVE DEVICE in a state where it must be re-opened/re-init'd */
static int /* ret 0 ok no flush, -ve error code */
flush_page(
gx_device_printer * pwdev, /* async writer device to flush */
bool partial /* true if only partial page */
)
{
gx_device_clist *const pcldev = (gx_device_clist *) pwdev;
gx_device_clist_writer *const pcwdev = &pcldev->writer;
int flush_code = 0;
int add_code = 0;
/* do NOT close files before sending to page queue */
flush_code = clist_end_page(pcwdev);
add_code = gx_page_queue_add_page(pcwdev, pwdev->page_queue,
(partial ? GX_PAGE_QUEUE_ACTION_PARTIAL_PAGE :
GX_PAGE_QUEUE_ACTION_FULL_PAGE),
&pcwdev->page_info, 0);
/* Device no longer has BANDFILES, so it must be re-init'd by caller */
pcwdev->page_info.bfile = pcwdev->page_info.cfile = 0;
/* return the worst of the status. */
if (flush_code < 0)
return flush_code;
return add_code;
}
/* Save a page. */
int
gdev_prn_save_page(gx_device_printer * pdev, gx_saved_page * page,
int num_copies)
{
gx_device_clist *cdev = (gx_device_clist *) pdev;
/* Make sure we are banding. */
if (!pdev->buffer_space)
return_error(gs_error_rangecheck);
if (strlen(pdev->dname) >= sizeof(page->dname))
return_error(gs_error_limitcheck);
{
gx_device_clist_writer * const pcldev =
(gx_device_clist_writer *)pdev;
int code;
if ((code = clist_end_page(pcldev)) < 0 ||
(code = cdev->common.page_info.io_procs->fclose(pcldev->page_cfile, pcldev->page_cfname, false)) < 0 ||
(code = cdev->common.page_info.io_procs->fclose(pcldev->page_bfile, pcldev->page_bfname, false)) < 0
)
return code;
/* Save the device information. */
memcpy(&page->device, pdev, sizeof(gx_device));
strcpy(page->dname, pdev->dname);
/* Save the page information. */
page->info = pcldev->page_info;
page->info.cfile = 0;
page->info.bfile = 0;
}
/* Save other information. */
page->num_copies = num_copies;
return (*gs_clist_device_procs.open_device) ((gx_device *) pdev);
}
/* Output page causes file to get added to page queue for later rasterizing */
static int
gdev_prn_async_write_output_page(gx_device * pdev, int num_copies, int flush)
{
gx_device_printer *const pwdev = (gx_device_printer *) pdev;
gx_device_clist_writer *const pcwdev =
&((gx_device_clist *) pdev)->writer;
int flush_code;
int add_code;
int open_code;
int one_last_time = 1;
/* do NOT close files before sending to page queue */
flush_code = clist_end_page(pcwdev);
add_code = gx_page_queue_add_page(pcwdev, pwdev->page_queue,
(flush ? GX_PAGE_QUEUE_ACTION_FULL_PAGE :
GX_PAGE_QUEUE_ACTION_COPY_PAGE),
&pcwdev->page_info, num_copies);
if (flush && (flush_code >= 0) && (add_code >= 0)) {
/* This page is finished */
gx_finish_output_page(pdev, num_copies, flush);
}
/* Open new band files to take the place of ones added to page queue */
while ((open_code = (*gs_clist_device_procs.open_device)
((gx_device *) pdev)) == gs_error_VMerror) {
/* Open failed, try after a page gets rendered */
if (!gx_page_queue_wait_one_page(pwdev->page_queue)
&& one_last_time-- <= 0)
break;
}
return
(flush_code < 0 ? flush_code : open_code < 0 ? open_code :
add_code < 0 ? add_code : 0);
}
/* Save a page. The elements are allocated by this function in non_gc_memory */
int
gdev_prn_save_page(gx_device_printer * pdev, gx_saved_page * page)
{
gx_device_clist *cdev = (gx_device_clist *) pdev;
gx_device_clist_writer * const pcldev = (gx_device_clist_writer *)pdev;
int code;
/* Make sure we are banding. */
if (!PRINTER_IS_CLIST(pdev))
return_error(gs_error_rangecheck);
if ((code = clist_end_page(pcldev)) < 0 ||
(code = cdev->common.page_info.io_procs->fclose(pcldev->page_info.cfile, pcldev->page_info.cfname, false)) < 0 ||
(code = cdev->common.page_info.io_procs->fclose(pcldev->page_info.bfile, pcldev->page_info.bfname, false)) < 0
)
return code;
return do_page_save(pdev, page, NULL);
}