/* * Guillaume Cottenceau (gc at mandriva.com) * * Copyright 2002-2005 Mandriva * * This software may be freely redistributed under the terms of the GNU * public license. * */ #include #include #include #include #define PNG_DEBUG 3 #include void abort_(const char * s, ...) { va_list args; va_start(args, s); vfprintf(stderr, s, args); fprintf(stderr, "\n"); va_end(args); abort(); } int x, y; int width, height; png_byte color_type; png_byte bit_depth; png_structp png_ptr; png_infop info_ptr; int number_of_passes; png_bytep * row_pointers; void read_png_file(char* file_name) { char header[8]; // 8 is the maximum size that can be checked /* open file and test for it being a png */ FILE *fp = fopen(file_name, "rb"); if (!fp) abort_("[read_png_file] File %s could not be opened for reading", file_name); fread(header, 1, 8, fp); if (png_sig_cmp(header, 0, 8)) abort_("[read_png_file] File %s is not recognized as a PNG file", file_name); /* initialize stuff */ png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); if (!png_ptr) abort_("[read_png_file] png_create_read_struct failed"); info_ptr = png_create_info_struct(png_ptr); if (!info_ptr) abort_("[read_png_file] png_create_info_struct failed"); if (setjmp(png_jmpbuf(png_ptr))) abort_("[read_png_file] Error during init_io"); png_init_io(png_ptr, fp); png_set_sig_bytes(png_ptr, 8); png_read_info(png_ptr, info_ptr); width = info_ptr->width; height = info_ptr->height; color_type = info_ptr->color_type; bit_depth = info_ptr->bit_depth; number_of_passes = png_set_interlace_handling(png_ptr); png_read_update_info(png_ptr, info_ptr); /* read file */ if (setjmp(png_jmpbuf(png_ptr))) abort_("[read_png_file] Error during read_image"); row_pointers = (png_bytep*) malloc(sizeof(png_bytep) * height); for (y=0; yrowbytes); png_read_image(png_ptr, row_pointers); } void write_png_file(char* file_name) { /* create file */ FILE *fp = fopen(file_name, "wb"); if (!fp) abort_("[write_png_file] File %s could not be opened for writing", file_name); /* initialize stuff */ png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); if (!png_ptr) abort_("[write_png_file] png_create_write_struct failed"); info_ptr = png_create_info_struct(png_ptr); if (!info_ptr) abort_("[write_png_file] png_create_info_struct failed"); if (setjmp(png_jmpbuf(png_ptr))) abort_("[write_png_file] Error during init_io"); png_init_io(png_ptr, fp); /* write header */ if (setjmp(png_jmpbuf(png_ptr))) abort_("[write_png_file] Error during writing header"); png_set_IHDR(png_ptr, info_ptr, width, height, bit_depth, color_type, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); png_write_info(png_ptr, info_ptr); /* write bytes */ if (setjmp(png_jmpbuf(png_ptr))) abort_("[write_png_file] Error during writing bytes"); png_write_image(png_ptr, row_pointers); /* end write */ if (setjmp(png_jmpbuf(png_ptr))) abort_("[write_png_file] Error during end of write"); png_write_end(png_ptr, NULL); } void process_file(void) { if (info_ptr->color_type != PNG_COLOR_TYPE_RGBA) abort_("[process_file] color_type of input file must be PNG_COLOR_TYPE_RGBA (is %d)", info_ptr->color_type); for (y=0; y "); read_png_file(argv[1]); process_file(); write_png_file(argv[2]); } nWork'>user/animtim/designWork Mageia Installer and base platform for many utilitiesThierry Vignaud [tv]
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package printer::gimp;

use strict;
use run_program;
use common;
use printer::common;
use printer::data;
use printer::cups;

# ------------------------------------------------------------------
#   GIMP-print related stuff
# ------------------------------------------------------------------

sub configure {
    my ($printer) = @_;
    # Do we have files to treat?
    my @configfilenames = findconfigfiles();
    return 1 if $#configfilenames < 0;
    # There is no system-wide config file, treat every user's config file
    foreach my $configfilename (@configfilenames) {
	# Load GIMP's printer config file
	my $configfilecontent = readconfigfile($configfilename);
	# Update local printer queues
	foreach my $queue (keys(%{$printer->{configured}})) {
	    # Check if we have a PPD file
	    if (! -r "$::prefix/etc/foomatic/$queue.ppd") {
		if (-r "$::prefix/etc/cups/ppd/$queue.ppd") {
		    # If we have a PPD file in the CUPS config dir, link to it
		    run_program::rooted($::prefix, 
					"ln", "-sf",
					"/etc/cups/ppd/$queue.ppd",
					"/etc/foomatic/$queue.ppd");
		} elsif (-r "$::prefix/usr/share/postscript/ppd/$queue.ppd") {
		    # Check PPD directory of GPR, too
		    run_program::rooted(
			 $::prefix, 
			 "ln", "-sf",
			 "/usr/share/postscript/ppd/$queue.ppd",
			 "/etc/foomatic/$queue.ppd");
		} else {
		    # No PPD file at all? We cannot set up this printer
		    next;
		}
	    }
	    # Add the printer entry
	    if (!isprinterconfigured($queue, $configfilecontent)) {
		# Remove the old printer entry
		$configfilecontent = 
		    removeprinter($queue, $configfilecontent);
		# Add the new printer entry
		$configfilecontent = 
		    makeprinterentry($printer, $queue,
					 $configfilecontent);
	    }
	}
	# Default printer
	if ($printer->{DEFAULT}) {
	    if ($configfilecontent !~ /^\s*Current\-Printer\s*:/m) {
		$configfilecontent =~
		    s/\n/\nCurrent-Printer: $printer->{DEFAULT}\n/s;
	    } else {
		if ($configfilecontent =~ /^\s*Current\-Printer\s*:\s*(\S+)\s*$/m &&
              !isprinterconfigured($1, $configfilecontent)) {
		    $configfilecontent =~
			s/(Current\-Printer\s*:\s*)\S+/$1$printer->{DEFAULT}/;
		}
	    }
	}
	# Write back GIMP's printer configuration file
	writeconfigfile($configfilename, $configfilecontent);
    }
    return 1;
}

sub addcupsremoteto {
    my ($printer, $queue) = @_;
    # Do we have files to treat?
    my @configfilenames = findconfigfiles();
    return 1 if $#configfilenames < 0;
    my @printerlist = printer::cups::get_remote_queues();
    my $ppdfile = "";
    if ($printer->{SPOOLER} eq "cups" && 
	(-x "$::prefix/usr/bin/curl" || -x "$::prefix/usr/bin/wget")) {
	foreach my $listentry (@printerlist) {
	    next if $listentry !~ /^([^\|]+)\|([^\|]+)$/;
	    my $q = $1;
	    next if $q ne $queue;
	    my $server = $2;
	    # Remove server name from queue name
	    $q =~ s/^([^@]*)@.*$/$1/;
	    if (-x "$::prefix/usr/bin/wget") {
		eval(run_program::rooted(
		      $::prefix, "/usr/bin/wget", "-O",
		      "/etc/foomatic/$queue.ppd",
		      "http://$server:631/printers/$q.ppd"));
	    } else {
		eval(run_program::rooted(
		      $::prefix, "/usr/bin/curl", "-o",
		      "/etc/foomatic/$queue.ppd",
		      "http://$server:631/printers/$q.ppd"));
	    }
	    # Does the file exist and is it not an error message?
	    if (-r "$::prefix/etc/foomatic/$queue.ppd" &&
		cat_("$::prefix/etc/foomatic/$queue.ppd") =~ /^\*PPD-Adobe/) {
		$ppdfile = "/etc/foomatic/$queue.ppd";
	    } else {
		unlink "$::prefix/etc/foomatic/$queue.ppd";
		return 0;
	    }
	}
    } else { return 1 }
    # There is no system-wide config file, treat every user's config file
    foreach my $configfilename (@configfilenames) {
	# Load GIMP's printer config file
	my $configfilecontent = readconfigfile($configfilename);
	# Add the printer entry
	if (!isprinterconfigured($queue, $configfilecontent)) {
	    # Remove the old printer entry
	    $configfilecontent = removeprinter($queue, $configfilecontent);
	    # Add the new printer entry
	    $configfilecontent = makeprinterentry($printer, $queue, $configfilecontent);
	}
	# Write back GIMP's printer configuration file
	writeconfigfile($configfilename, $configfilecontent);
    }
    return 1;
}

sub removeprinterfrom {
    my ($_printer, $queue) = @_;
    # Do we have files to treat?
    my @configfilenames = findconfigfiles();
    return 1 if $#configfilenames < 0;
    # There is no system-wide config file, treat every user's config file
    foreach my $configfilename (@configfilenames) {
	# Load GIMP's printer config file
	my $configfilecontent = readconfigfile($configfilename);
	# Remove the printer entry
	$configfilecontent = removeprinter($queue, $configfilecontent);
	# Write back GIMP's printer configuration file
	writeconfigfile($configfilename, $configfilecontent);
    }
    return 1;
}

sub removelocalprintersfrom {
    my ($printer) = @_;
    # Do we have files to treat?
    my @configfilenames = findconfigfiles();
    return 1 if $#configfilenames < 0;
    # There is no system-wide config file, treat every user's config file
    foreach my $configfilename (@configfilenames) {
	# Load GIMP's printer config file
	my $configfilecontent = readconfigfile($configfilename);
	# Remove the printer entries
	foreach my $queue (keys(%{$printer->{configured}})) {
	    $configfilecontent = removeprinter($queue, $configfilecontent);
	}
	# Write back GIMP's printer configuration file
	writeconfigfile($configfilename, $configfilecontent);
    }
    return 1;
}

sub makeprinterentry {
    my ($printer, $queue, $configfile) = @_;
    # Make printer's section
    $configfile = addprinter($queue, $configfile);
    # Load PPD file
    my $ppd = cat_("$::prefix/etc/foomatic/$queue.ppd");
    # Is the printer configured with GIMP-Print?
    my $gimpprintqueue = 0;
    my $gimpprintdriver = "ps2";
    if ($ppd =~ /CUPS\s*\+\s*GIMP\s*\-\s*Print/im) {
	# Native CUPS driver
	$gimpprintqueue = 1;
	$gimpprintdriver = $1 if $ppd =~ /\s*\*ModelName:\s*\"(\S+)\"\s*$/im;
    } elsif ($ppd =~ /Foomatic\s*\+\s*gimp\s*\-\s*print/im) {
	# GhostScript + Foomatic driver
	$gimpprintqueue = 1;
	$ppd =~ /\-sModel=((escp2|pcl|bjc|lexmark)\-[^\s\"\']*)/im and
	$gimpprintdriver = $1;
    }
    if ($gimpprintqueue) {
	# Get the paper size from the PPD file
	if ($ppd =~ /^\s*\*DefaultPageSize:\s*(\S+)\s*$/m) {
	    my $papersize = $1;
	    $configfile = removeentry($queue,
					  "Media-Size", $configfile);
	    $configfile = addentry($queue, 
				       "Media-Size: $papersize", $configfile);
	}
	$configfile = removeentry($queue, "PPD-File:", $configfile);
	$configfile = addentry($queue, "PPD-File:", $configfile);
	$configfile = removeentry($queue, "Driver:", $configfile);
	$configfile = addentry($queue, "Driver: $gimpprintdriver", $configfile);
	$configfile = removeentry($queue, "Destination:", $configfile);
	$configfile = addentry($queue, 
				   sprintf("Destination: /usr/bin/%s -P %s -o raw", $spoolers{$printer->{SPOOLER}}{print_command}, $queue), $configfile);
    } else {
	$configfile = removeentry($queue, "PPD-File:", $configfile);
	$configfile = addentry($queue, "PPD-File: /etc/foomatic/$queue.ppd", $configfile);
	$configfile = removeentry($queue, "Driver:", $configfile);
	$configfile = addentry($queue, "Driver: ps2", $configfile);
	$configfile = removeentry($queue, "Destination:", $configfile);
	$configfile = addentry($queue,