aboutsummaryrefslogtreecommitdiff
path: root/filter/rastertohp.c
diff options
context:
space:
mode:
authorPhilip P. Moltmann <moltmann@google.com>2016-12-15 12:16:46 -0800
committerPhilip P. Moltmann <moltmann@google.com>2016-12-15 12:29:54 -0800
commit25aee82d491492e1fa3b005e5880e684dc081ffb (patch)
tree0ae3dad7b0a56ce344c23dfc5623c064ac93c725 /filter/rastertohp.c
parent4a531e85e511cfa7a4aadada1ecbe505f71305cc (diff)
downloadlibcups-25aee82d491492e1fa3b005e5880e684dc081ffb.tar.gz
Cups v2.2.0
Test: none Change-Id: Ic1716fa930940f63b4679144b1459263a35476ef
Diffstat (limited to 'filter/rastertohp.c')
-rw-r--r--filter/rastertohp.c844
1 files changed, 844 insertions, 0 deletions
diff --git a/filter/rastertohp.c b/filter/rastertohp.c
new file mode 100644
index 00000000..2994b803
--- /dev/null
+++ b/filter/rastertohp.c
@@ -0,0 +1,844 @@
+/*
+ * Hewlett-Packard Page Control Language filter for CUPS.
+ *
+ * Copyright 2007-2015 by Apple Inc.
+ * Copyright 1993-2007 by Easy Software Products.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ *
+ * This file is subject to the Apple OS-Developed Software exception.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <cups/cups.h>
+#include <cups/ppd.h>
+#include <cups/string-private.h>
+#include <cups/language-private.h>
+#include <cups/raster.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+
+
+/*
+ * Globals...
+ */
+
+unsigned char *Planes[4], /* Output buffers */
+ *CompBuffer, /* Compression buffer */
+ *BitBuffer; /* Buffer for output bits */
+unsigned NumPlanes, /* Number of color planes */
+ ColorBits, /* Number of bits per color */
+ Feed; /* Number of lines to skip */
+int Duplex, /* Current duplex mode */
+ Page, /* Current page number */
+ Canceled; /* Has the current job been canceled? */
+
+
+/*
+ * Prototypes...
+ */
+
+void Setup(void);
+void StartPage(ppd_file_t *ppd, cups_page_header2_t *header);
+void EndPage(void);
+void Shutdown(void);
+
+void CancelJob(int sig);
+void CompressData(unsigned char *line, unsigned length, unsigned plane, unsigned type);
+void OutputLine(cups_page_header2_t *header);
+
+
+/*
+ * 'Setup()' - Prepare the printer for printing.
+ */
+
+void
+Setup(void)
+{
+ /*
+ * Send a PCL reset sequence.
+ */
+
+ putchar(0x1b);
+ putchar('E');
+}
+
+
+/*
+ * 'StartPage()' - Start a page of graphics.
+ */
+
+void
+StartPage(ppd_file_t *ppd, /* I - PPD file */
+ cups_page_header2_t *header) /* I - Page header */
+{
+ unsigned plane; /* Looping var */
+
+
+ /*
+ * Show page device dictionary...
+ */
+
+ fprintf(stderr, "DEBUG: StartPage...\n");
+ fprintf(stderr, "DEBUG: Duplex = %d\n", header->Duplex);
+ fprintf(stderr, "DEBUG: HWResolution = [ %d %d ]\n", header->HWResolution[0], header->HWResolution[1]);
+ fprintf(stderr, "DEBUG: ImagingBoundingBox = [ %d %d %d %d ]\n", header->ImagingBoundingBox[0], header->ImagingBoundingBox[1], header->ImagingBoundingBox[2], header->ImagingBoundingBox[3]);
+ fprintf(stderr, "DEBUG: Margins = [ %d %d ]\n", header->Margins[0], header->Margins[1]);
+ fprintf(stderr, "DEBUG: ManualFeed = %d\n", header->ManualFeed);
+ fprintf(stderr, "DEBUG: MediaPosition = %d\n", header->MediaPosition);
+ fprintf(stderr, "DEBUG: NumCopies = %d\n", header->NumCopies);
+ fprintf(stderr, "DEBUG: Orientation = %d\n", header->Orientation);
+ fprintf(stderr, "DEBUG: PageSize = [ %d %d ]\n", header->PageSize[0], header->PageSize[1]);
+ fprintf(stderr, "DEBUG: cupsWidth = %d\n", header->cupsWidth);
+ fprintf(stderr, "DEBUG: cupsHeight = %d\n", header->cupsHeight);
+ fprintf(stderr, "DEBUG: cupsMediaType = %d\n", header->cupsMediaType);
+ fprintf(stderr, "DEBUG: cupsBitsPerColor = %d\n", header->cupsBitsPerColor);
+ fprintf(stderr, "DEBUG: cupsBitsPerPixel = %d\n", header->cupsBitsPerPixel);
+ fprintf(stderr, "DEBUG: cupsBytesPerLine = %d\n", header->cupsBytesPerLine);
+ fprintf(stderr, "DEBUG: cupsColorOrder = %d\n", header->cupsColorOrder);
+ fprintf(stderr, "DEBUG: cupsColorSpace = %d\n", header->cupsColorSpace);
+ fprintf(stderr, "DEBUG: cupsCompression = %d\n", header->cupsCompression);
+
+ /*
+ * Setup printer/job attributes...
+ */
+
+ Duplex = header->Duplex;
+ ColorBits = header->cupsBitsPerColor;
+
+ if ((!Duplex || (Page & 1)) && header->MediaPosition)
+ printf("\033&l%dH", /* Set media position */
+ header->MediaPosition);
+
+ if (Duplex && ppd && ppd->model_number == 2)
+ {
+ /*
+ * Handle duplexing on new DeskJet printers...
+ */
+
+ printf("\033&l-2H"); /* Load media */
+
+ if (Page & 1)
+ printf("\033&l2S"); /* Set duplex mode */
+ }
+
+ if (!Duplex || (Page & 1) || (ppd && ppd->model_number == 2))
+ {
+ /*
+ * Set the media size...
+ */
+
+ printf("\033&l6D\033&k12H"); /* Set 6 LPI, 10 CPI */
+ printf("\033&l0O"); /* Set portrait orientation */
+
+ switch (header->PageSize[1])
+ {
+ case 540 : /* Monarch Envelope */
+ printf("\033&l80A"); /* Set page size */
+ break;
+
+ case 595 : /* A5 */
+ printf("\033&l25A"); /* Set page size */
+ break;
+
+ case 624 : /* DL Envelope */
+ printf("\033&l90A"); /* Set page size */
+ break;
+
+ case 649 : /* C5 Envelope */
+ printf("\033&l91A"); /* Set page size */
+ break;
+
+ case 684 : /* COM-10 Envelope */
+ printf("\033&l81A"); /* Set page size */
+ break;
+
+ case 709 : /* B5 Envelope */
+ printf("\033&l100A"); /* Set page size */
+ break;
+
+ case 756 : /* Executive */
+ printf("\033&l1A"); /* Set page size */
+ break;
+
+ case 792 : /* Letter */
+ printf("\033&l2A"); /* Set page size */
+ break;
+
+ case 842 : /* A4 */
+ printf("\033&l26A"); /* Set page size */
+ break;
+
+ case 1008 : /* Legal */
+ printf("\033&l3A"); /* Set page size */
+ break;
+
+ case 1191 : /* A3 */
+ printf("\033&l27A"); /* Set page size */
+ break;
+
+ case 1224 : /* Tabloid */
+ printf("\033&l6A"); /* Set page size */
+ break;
+ }
+
+ printf("\033&l%dP", /* Set page length */
+ header->PageSize[1] / 12);
+ printf("\033&l0E"); /* Set top margin to 0 */
+ }
+
+ if (!Duplex || (Page & 1))
+ {
+ /*
+ * Set other job options...
+ */
+
+ printf("\033&l%dX", header->NumCopies); /* Set number copies */
+
+ if (header->cupsMediaType &&
+ (!ppd || ppd->model_number != 2 || header->HWResolution[0] == 600))
+ printf("\033&l%dM", /* Set media type */
+ header->cupsMediaType);
+
+ if (!ppd || ppd->model_number != 2)
+ {
+ int mode = Duplex ? 1 + header->Tumble != 0 : 0;
+
+ printf("\033&l%dS", mode); /* Set duplex mode */
+ printf("\033&l0L"); /* Turn off perforation skip */
+ }
+ }
+ else if (!ppd || ppd->model_number != 2)
+ printf("\033&a2G"); /* Set back side */
+
+ /*
+ * Set graphics mode...
+ */
+
+ if (ppd && ppd->model_number == 2)
+ {
+ /*
+ * Figure out the number of color planes...
+ */
+
+ if (header->cupsColorSpace == CUPS_CSPACE_KCMY)
+ NumPlanes = 4;
+ else
+ NumPlanes = 1;
+
+ /*
+ * Set the resolution and top-of-form...
+ */
+
+ printf("\033&u%dD", header->HWResolution[0]);
+ /* Resolution */
+ printf("\033&l0e0L"); /* Reset top and don't skip */
+ printf("\033*p0Y\033*p0X"); /* Set top of form */
+
+ /*
+ * Send 26-byte configure image data command with horizontal and
+ * vertical resolutions as well as a color count...
+ */
+
+ printf("\033*g26W");
+ putchar(2); /* Format 2 */
+ putchar((int)NumPlanes); /* Output planes */
+
+ putchar((int)(header->HWResolution[0] >> 8));/* Black resolution */
+ putchar((int)header->HWResolution[0]);
+ putchar((int)(header->HWResolution[1] >> 8));
+ putchar((int)header->HWResolution[1]);
+ putchar(0);
+ putchar(1 << ColorBits); /* # of black levels */
+
+ putchar((int)(header->HWResolution[0] >> 8));/* Cyan resolution */
+ putchar((int)header->HWResolution[0]);
+ putchar((int)(header->HWResolution[1] >> 8));
+ putchar((int)header->HWResolution[1]);
+ putchar(0);
+ putchar(1 << ColorBits); /* # of cyan levels */
+
+ putchar((int)(header->HWResolution[0] >> 8));/* Magenta resolution */
+ putchar((int)header->HWResolution[0]);
+ putchar((int)(header->HWResolution[1] >> 8));
+ putchar((int)header->HWResolution[1]);
+ putchar(0);
+ putchar(1 << ColorBits); /* # of magenta levels */
+
+ putchar((int)(header->HWResolution[0] >> 8));/* Yellow resolution */
+ putchar((int)header->HWResolution[0]);
+ putchar((int)(header->HWResolution[1] >> 8));
+ putchar((int)header->HWResolution[1]);
+ putchar(0);
+ putchar(1 << ColorBits); /* # of yellow levels */
+
+ printf("\033&l0H"); /* Set media position */
+ }
+ else
+ {
+ printf("\033*t%uR", header->HWResolution[0]);
+ /* Set resolution */
+
+ if (header->cupsColorSpace == CUPS_CSPACE_KCMY)
+ {
+ NumPlanes = 4;
+ printf("\033*r-4U"); /* Set KCMY graphics */
+ }
+ else if (header->cupsColorSpace == CUPS_CSPACE_CMY)
+ {
+ NumPlanes = 3;
+ printf("\033*r-3U"); /* Set CMY graphics */
+ }
+ else
+ NumPlanes = 1; /* Black&white graphics */
+
+ /*
+ * Set size and position of graphics...
+ */
+
+ printf("\033*r%uS", header->cupsWidth); /* Set width */
+ printf("\033*r%uT", header->cupsHeight); /* Set height */
+
+ printf("\033&a0H"); /* Set horizontal position */
+
+ if (ppd)
+ printf("\033&a%.0fV", /* Set vertical position */
+ 10.0 * (ppd->sizes[0].length - ppd->sizes[0].top));
+ else
+ printf("\033&a0V"); /* Set top-of-page */
+ }
+
+ printf("\033*r1A"); /* Start graphics */
+
+ if (header->cupsCompression)
+ printf("\033*b%uM", /* Set compression */
+ header->cupsCompression);
+
+ Feed = 0; /* No blank lines yet */
+
+ /*
+ * Allocate memory for a line of graphics...
+ */
+
+ if ((Planes[0] = malloc(header->cupsBytesPerLine + NumPlanes)) == NULL)
+ {
+ fputs("ERROR: Unable to allocate memory\n", stderr);
+ exit(1);
+ }
+
+ for (plane = 1; plane < NumPlanes; plane ++)
+ Planes[plane] = Planes[0] + plane * header->cupsBytesPerLine / NumPlanes;
+
+ if (ColorBits > 1)
+ BitBuffer = malloc(ColorBits * ((header->cupsWidth + 7) / 8));
+ else
+ BitBuffer = NULL;
+
+ if (header->cupsCompression)
+ CompBuffer = malloc(header->cupsBytesPerLine * 2 + 2);
+ else
+ CompBuffer = NULL;
+}
+
+
+/*
+ * 'EndPage()' - Finish a page of graphics.
+ */
+
+void
+EndPage(void)
+{
+ /*
+ * Eject the current page...
+ */
+
+ if (NumPlanes > 1)
+ {
+ printf("\033*rC"); /* End color GFX */
+
+ if (!(Duplex && (Page & 1)))
+ printf("\033&l0H"); /* Eject current page */
+ }
+ else
+ {
+ printf("\033*r0B"); /* End GFX */
+
+ if (!(Duplex && (Page & 1)))
+ printf("\014"); /* Eject current page */
+ }
+
+ fflush(stdout);
+
+ /*
+ * Free memory...
+ */
+
+ free(Planes[0]);
+
+ if (BitBuffer)
+ free(BitBuffer);
+
+ if (CompBuffer)
+ free(CompBuffer);
+}
+
+
+/*
+ * 'Shutdown()' - Shutdown the printer.
+ */
+
+void
+Shutdown(void)
+{
+ /*
+ * Send a PCL reset sequence.
+ */
+
+ putchar(0x1b);
+ putchar('E');
+}
+
+
+/*
+ * 'CancelJob()' - Cancel the current job...
+ */
+
+void
+CancelJob(int sig) /* I - Signal */
+{
+ (void)sig;
+
+ Canceled = 1;
+}
+
+
+/*
+ * 'CompressData()' - Compress a line of graphics.
+ */
+
+void
+CompressData(unsigned char *line, /* I - Data to compress */
+ unsigned length, /* I - Number of bytes */
+ unsigned plane, /* I - Color plane */
+ unsigned type) /* I - Type of compression */
+{
+ unsigned char *line_ptr, /* Current byte pointer */
+ *line_end, /* End-of-line byte pointer */
+ *comp_ptr, /* Pointer into compression buffer */
+ *start; /* Start of compression sequence */
+ unsigned count; /* Count of bytes for output */
+
+
+ switch (type)
+ {
+ default :
+ /*
+ * Do no compression...
+ */
+
+ line_ptr = line;
+ line_end = line + length;
+ break;
+
+ case 1 :
+ /*
+ * Do run-length encoding...
+ */
+
+ line_end = line + length;
+ for (line_ptr = line, comp_ptr = CompBuffer;
+ line_ptr < line_end;
+ comp_ptr += 2, line_ptr += count)
+ {
+ for (count = 1;
+ (line_ptr + count) < line_end &&
+ line_ptr[0] == line_ptr[count] &&
+ count < 256;
+ count ++);
+
+ comp_ptr[0] = (unsigned char)(count - 1);
+ comp_ptr[1] = line_ptr[0];
+ }
+
+ line_ptr = CompBuffer;
+ line_end = comp_ptr;
+ break;
+
+ case 2 :
+ /*
+ * Do TIFF pack-bits encoding...
+ */
+
+ line_ptr = line;
+ line_end = line + length;
+ comp_ptr = CompBuffer;
+
+ while (line_ptr < line_end)
+ {
+ if ((line_ptr + 1) >= line_end)
+ {
+ /*
+ * Single byte on the end...
+ */
+
+ *comp_ptr++ = 0x00;
+ *comp_ptr++ = *line_ptr++;
+ }
+ else if (line_ptr[0] == line_ptr[1])
+ {
+ /*
+ * Repeated sequence...
+ */
+
+ line_ptr ++;
+ count = 2;
+
+ while (line_ptr < (line_end - 1) &&
+ line_ptr[0] == line_ptr[1] &&
+ count < 127)
+ {
+ line_ptr ++;
+ count ++;
+ }
+
+ *comp_ptr++ = (unsigned char)(257 - count);
+ *comp_ptr++ = *line_ptr++;
+ }
+ else
+ {
+ /*
+ * Non-repeated sequence...
+ */
+
+ start = line_ptr;
+ line_ptr ++;
+ count = 1;
+
+ while (line_ptr < (line_end - 1) &&
+ line_ptr[0] != line_ptr[1] &&
+ count < 127)
+ {
+ line_ptr ++;
+ count ++;
+ }
+
+ *comp_ptr++ = (unsigned char)(count - 1);
+
+ memcpy(comp_ptr, start, count);
+ comp_ptr += count;
+ }
+ }
+
+ line_ptr = CompBuffer;
+ line_end = comp_ptr;
+ break;
+ }
+
+ /*
+ * Set the length of the data and write a raster plane...
+ */
+
+ printf("\033*b%d%c", (int)(line_end - line_ptr), plane);
+ fwrite(line_ptr, (size_t)(line_end - line_ptr), 1, stdout);
+}
+
+
+/*
+ * 'OutputLine()' - Output a line of graphics.
+ */
+
+void
+OutputLine(cups_page_header2_t *header) /* I - Page header */
+{
+ unsigned plane, /* Current plane */
+ bytes, /* Bytes to write */
+ count; /* Bytes to convert */
+ unsigned char bit, /* Current plane data */
+ bit0, /* Current low bit data */
+ bit1, /* Current high bit data */
+ *plane_ptr, /* Pointer into Planes */
+ *bit_ptr; /* Pointer into BitBuffer */
+
+
+ /*
+ * Output whitespace as needed...
+ */
+
+ if (Feed > 0)
+ {
+ printf("\033*b%dY", Feed);
+ Feed = 0;
+ }
+
+ /*
+ * Write bitmap data as needed...
+ */
+
+ bytes = (header->cupsWidth + 7) / 8;
+
+ for (plane = 0; plane < NumPlanes; plane ++)
+ if (ColorBits == 1)
+ {
+ /*
+ * Send bits as-is...
+ */
+
+ CompressData(Planes[plane], bytes, plane < (NumPlanes - 1) ? 'V' : 'W',
+ header->cupsCompression);
+ }
+ else
+ {
+ /*
+ * Separate low and high bit data into separate buffers.
+ */
+
+ for (count = header->cupsBytesPerLine / NumPlanes,
+ plane_ptr = Planes[plane], bit_ptr = BitBuffer;
+ count > 0;
+ count -= 2, plane_ptr += 2, bit_ptr ++)
+ {
+ bit = plane_ptr[0];
+
+ bit0 = (unsigned char)(((bit & 64) << 1) | ((bit & 16) << 2) | ((bit & 4) << 3) | ((bit & 1) << 4));
+ bit1 = (unsigned char)((bit & 128) | ((bit & 32) << 1) | ((bit & 8) << 2) | ((bit & 2) << 3));
+
+ if (count > 1)
+ {
+ bit = plane_ptr[1];
+
+ bit0 |= (unsigned char)((bit & 1) | ((bit & 4) >> 1) | ((bit & 16) >> 2) | ((bit & 64) >> 3));
+ bit1 |= (unsigned char)(((bit & 2) >> 1) | ((bit & 8) >> 2) | ((bit & 32) >> 3) | ((bit & 128) >> 4));
+ }
+
+ bit_ptr[0] = bit0;
+ bit_ptr[bytes] = bit1;
+ }
+
+ /*
+ * Send low and high bits...
+ */
+
+ CompressData(BitBuffer, bytes, 'V', header->cupsCompression);
+ CompressData(BitBuffer + bytes, bytes, plane < (NumPlanes - 1) ? 'V' : 'W',
+ header->cupsCompression);
+ }
+
+ fflush(stdout);
+}
+
+
+/*
+ * 'main()' - Main entry and processing of driver.
+ */
+
+int /* O - Exit status */
+main(int argc, /* I - Number of command-line arguments */
+ char *argv[]) /* I - Command-line arguments */
+{
+ int fd; /* File descriptor */
+ cups_raster_t *ras; /* Raster stream for printing */
+ cups_page_header2_t header; /* Page header from file */
+ unsigned y; /* Current line */
+ ppd_file_t *ppd; /* PPD file */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+ struct sigaction action; /* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ /*
+ * Make sure status messages are not buffered...
+ */
+
+ setbuf(stderr, NULL);
+
+ /*
+ * Check command-line...
+ */
+
+ if (argc < 6 || argc > 7)
+ {
+ /*
+ * We don't have the correct number of arguments; write an error message
+ * and return.
+ */
+
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("%s job-id user title copies options [file]"),
+ "rastertohp");
+ return (1);
+ }
+
+ /*
+ * Open the page stream...
+ */
+
+ if (argc == 7)
+ {
+ if ((fd = open(argv[6], O_RDONLY)) == -1)
+ {
+ _cupsLangPrintError("ERROR", _("Unable to open raster file"));
+ sleep(1);
+ return (1);
+ }
+ }
+ else
+ fd = 0;
+
+ ras = cupsRasterOpen(fd, CUPS_RASTER_READ);
+
+ /*
+ * Register a signal handler to eject the current page if the
+ * job is cancelled.
+ */
+
+ Canceled = 0;
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+ sigset(SIGTERM, CancelJob);
+#elif defined(HAVE_SIGACTION)
+ memset(&action, 0, sizeof(action));
+
+ sigemptyset(&action.sa_mask);
+ action.sa_handler = CancelJob;
+ sigaction(SIGTERM, &action, NULL);
+#else
+ signal(SIGTERM, CancelJob);
+#endif /* HAVE_SIGSET */
+
+ /*
+ * Initialize the print device...
+ */
+
+ ppd = ppdOpenFile(getenv("PPD"));
+ if (!ppd)
+ {
+ ppd_status_t status; /* PPD error */
+ int linenum; /* Line number */
+
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("The PPD file could not be opened."));
+
+ status = ppdLastError(&linenum);
+
+ fprintf(stderr, "DEBUG: %s on line %d.\n", ppdErrorString(status), linenum);
+
+ return (1);
+ }
+
+ Setup();
+
+ /*
+ * Process pages as needed...
+ */
+
+ Page = 0;
+
+ while (cupsRasterReadHeader2(ras, &header))
+ {
+ /*
+ * Write a status message with the page number and number of copies.
+ */
+
+ if (Canceled)
+ break;
+
+ Page ++;
+
+ fprintf(stderr, "PAGE: %d %d\n", Page, header.NumCopies);
+ _cupsLangPrintFilter(stderr, "INFO", _("Starting page %d."), Page);
+
+ /*
+ * Start the page...
+ */
+
+ StartPage(ppd, &header);
+
+ /*
+ * Loop for each line on the page...
+ */
+
+ for (y = 0; y < header.cupsHeight; y ++)
+ {
+ /*
+ * Let the user know how far we have progressed...
+ */
+
+ if (Canceled)
+ break;
+
+ if ((y & 127) == 0)
+ {
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Printing page %d, %u%% complete."),
+ Page, 100 * y / header.cupsHeight);
+ fprintf(stderr, "ATTR: job-media-progress=%u\n",
+ 100 * y / header.cupsHeight);
+ }
+
+ /*
+ * Read a line of graphics...
+ */
+
+ if (cupsRasterReadPixels(ras, Planes[0], header.cupsBytesPerLine) < 1)
+ break;
+
+ /*
+ * See if the line is blank; if not, write it to the printer...
+ */
+
+ if (Planes[0][0] ||
+ memcmp(Planes[0], Planes[0] + 1, header.cupsBytesPerLine - 1))
+ OutputLine(&header);
+ else
+ Feed ++;
+ }
+
+ /*
+ * Eject the page...
+ */
+
+ _cupsLangPrintFilter(stderr, "INFO", _("Finished page %d."), Page);
+
+ EndPage();
+
+ if (Canceled)
+ break;
+ }
+
+ /*
+ * Shutdown the printer...
+ */
+
+ Shutdown();
+
+ if (ppd)
+ ppdClose(ppd);
+
+ /*
+ * Close the raster stream...
+ */
+
+ cupsRasterClose(ras);
+ if (fd != 0)
+ close(fd);
+
+ /*
+ * If no pages were printed, send an error message...
+ */
+
+ if (Page == 0)
+ {
+ _cupsLangPrintFilter(stderr, "ERROR", _("No pages were found."));
+ return (1);
+ }
+ else
+ return (0);
+}