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- /* Copyright (C) 1997 Aladdin Enterprises. All rights reserved.
-
- This software is provided AS-IS with no warranty, either express or
- implied.
-
- This software is distributed under license and may not be copied,
- modified or distributed except as expressly authorized under the terms
- of the license contained in the file LICENSE in this distribution.
-
- For more information about licensing, please refer to
- http://www.ghostscript.com/licensing/. For information on
- commercial licensing, go to http://www.artifex.com/licensing/ or
- contact Artifex Software, Inc., 101 Lucas Valley Road #110,
- San Rafael, CA 94903, U.S.A., +1(415)492-9861.
- */
- /* $Id: gxclpage.c,v 1.4 2002/02/21 22:24:53 giles Exp $ */
- /* Page object management */
- #include "gdevprn.h"
- #include "gxcldev.h"
- #include "gxclpage.h"
- /* Save a page. */
- int
- gdev_prn_save_page(gx_device_printer * pdev, gx_saved_page * page,
- int num_copies)
- {
- /* 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 = clist_fclose(pcldev->page_cfile, pcldev->page_cfname, false)) < 0 ||
- (code = clist_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);
- }
- /* Render an array of saved pages. */
- int
- gdev_prn_render_pages(gx_device_printer * pdev,
- const gx_placed_page * ppages, int count)
- {
- gx_device_clist_reader * const pcldev =
- (gx_device_clist_reader *)pdev;
- /* Check to make sure the pages are compatible with the device. */
- {
- int i;
- gx_band_params_t params;
- for (i = 0; i < count; ++i) {
- const gx_saved_page *page = ppages[i].page;
- /* We would like to fully check the color representation, */
- /* but we don't have enough information to do that. */
- if (strcmp(page->dname, pdev->dname) != 0 ||
- memcmp(&page->device.color_info, &pdev->color_info,
- sizeof(pdev->color_info)) != 0
- )
- return_error(gs_error_rangecheck);
- /* Currently we don't allow translation in Y. */
- if (ppages[i].offset.y != 0)
- return_error(gs_error_rangecheck);
- /* Make sure the band parameters are compatible. */
- if (page->info.band_params.BandBufferSpace !=
- pdev->buffer_space ||
- page->info.band_params.BandWidth !=
- pdev->width
- )
- return_error(gs_error_rangecheck);
- /* Currently we require all band heights to be the same. */
- if (i == 0)
- params = page->info.band_params;
- else if (page->info.band_params.BandHeight !=
- params.BandHeight
- )
- return_error(gs_error_rangecheck);
- }
- }
- /* Set up the page list in the device. */
- /****** SHOULD FACTOR THIS OUT OF clist_render_init ******/
- pcldev->ymin = pcldev->ymax = 0;
- pcldev->pages = ppages;
- pcldev->num_pages = count;
- /* Render the pages. */
- {
- int code = (*dev_proc(pdev, output_page))
- ((gx_device *) pdev, ppages[0].page->num_copies, true);
- /* Delete the temporary files. */
- int i;
- for (i = 0; i < count; ++i) {
- const gx_saved_page *page = ppages[i].page;
- clist_unlink(page->info.cfname);
- clist_unlink(page->info.bfname);
- }
- return code;
- }
- }
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