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