mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-16 20:02:35 +03:00
406 lines
8.4 KiB
C
406 lines
8.4 KiB
C
/*
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* pdfdraw -- command line tool for drawing pdf documents
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*/
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#include "fitz.h"
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#include "mupdf.h"
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#ifdef _MSC_VER
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#include <winsock2.h>
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#else
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#include <sys/time.h>
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#endif
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char *output = NULL;
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float resolution = 72;
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float rotation = 0;
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int showxml = 0;
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int showtext = 0;
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int showtime = 0;
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int showmd5 = 0;
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int savealpha = 0;
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int uselist = 1;
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int alphabits = 8;
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float gamma_value = 1;
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int invert = 0;
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fz_colorspace *colorspace;
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fz_glyph_cache *glyphcache;
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char *filename;
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struct {
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int count, total;
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int min, max;
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int minpage, maxpage;
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} timing;
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static void die(fz_error error)
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{
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fz_catch(error, "aborting");
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exit(1);
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}
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static void usage(void)
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{
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fprintf(stderr,
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"usage: pdfdraw [options] input.pdf [pages]\n"
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"\t-o -\toutput filename (%%d for page number)\n"
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"\t\tsupported formats: pgm, ppm, pam, png, pbm\n"
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"\t-p -\tpassword\n"
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"\t-r -\tresolution in dpi (default: 72)\n"
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"\t-A\tdisable accelerated functions\n"
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"\t-a\tsave alpha channel (only pam and png)\n"
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"\t-b -\tnumber of bits of antialiasing (0 to 8)\n"
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"\t-g\trender in grayscale\n"
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"\t-m\tshow timing information\n"
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"\t-t\tshow text (-tt for xml)\n"
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"\t-x\tshow display list\n"
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"\t-d\tdisable use of display list\n"
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"\t-5\tshow md5 checksums\n"
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"\t-R -\trotate clockwise by given number of degrees\n"
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"\t-G gamma\tgamma correct output\n"
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"\t-I\tinvert output\n"
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"\tpages\tcomma separated list of ranges\n");
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exit(1);
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}
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static int gettime(void)
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{
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static struct timeval first;
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static int once = 1;
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struct timeval now;
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if (once)
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{
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gettimeofday(&first, NULL);
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once = 0;
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}
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gettimeofday(&now, NULL);
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return (now.tv_sec - first.tv_sec) * 1000 + (now.tv_usec - first.tv_usec) / 1000;
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}
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static int isrange(char *s)
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{
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while (*s)
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{
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if ((*s < '0' || *s > '9') && *s != '-' && *s != ',')
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return 0;
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s++;
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}
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return 1;
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}
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static void drawpage(pdf_xref *xref, int pagenum)
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{
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fz_error error;
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pdf_page *page;
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fz_display_list *list;
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fz_device *dev;
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int start;
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if (showtime)
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{
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start = gettime();
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}
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error = pdf_load_page(&page, xref, pagenum - 1);
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if (error)
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die(fz_rethrow(error, "cannot load page %d in file '%s'", pagenum, filename));
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list = NULL;
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if (uselist)
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{
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list = fz_new_display_list();
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dev = fz_new_list_device(list);
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error = pdf_run_page(xref, page, dev, fz_identity);
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if (error)
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die(fz_rethrow(error, "cannot draw page %d in file '%s'", pagenum, filename));
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fz_free_device(dev);
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}
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if (showxml)
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{
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dev = fz_new_trace_device();
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printf("<page number=\"%d\">\n", pagenum);
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if (list)
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fz_execute_display_list(list, dev, fz_identity, fz_infinite_bbox);
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else
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pdf_run_page(xref, page, dev, fz_identity);
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printf("</page>\n");
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fz_free_device(dev);
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}
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if (showtext)
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{
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fz_text_span *text = fz_new_text_span();
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dev = fz_new_text_device(text);
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if (list)
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fz_execute_display_list(list, dev, fz_identity, fz_infinite_bbox);
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else
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pdf_run_page(xref, page, dev, fz_identity);
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fz_free_device(dev);
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printf("[Page %d]\n", pagenum);
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if (showtext > 1)
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fz_debug_text_span_xml(text);
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else
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fz_debug_text_span(text);
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printf("\n");
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fz_free_text_span(text);
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}
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if (showmd5 || showtime)
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printf("page %s %d", filename, pagenum);
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if (output || showmd5 || showtime)
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{
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float zoom;
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fz_matrix ctm;
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fz_bbox bbox;
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fz_pixmap *pix;
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zoom = resolution / 72;
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ctm = fz_translate(0, -page->mediabox.y1);
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ctm = fz_concat(ctm, fz_scale(zoom, -zoom));
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ctm = fz_concat(ctm, fz_rotate(page->rotate));
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ctm = fz_concat(ctm, fz_rotate(rotation));
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bbox = fz_round_rect(fz_transform_rect(ctm, page->mediabox));
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/* TODO: banded rendering and multi-page ppm */
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pix = fz_new_pixmap_with_rect(colorspace, bbox);
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if (savealpha)
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fz_clear_pixmap(pix);
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else
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fz_clear_pixmap_with_color(pix, 255);
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dev = fz_new_draw_device(glyphcache, pix);
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if (list)
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fz_execute_display_list(list, dev, ctm, bbox);
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else
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pdf_run_page(xref, page, dev, ctm);
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fz_free_device(dev);
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if (invert)
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fz_invert_pixmap(pix);
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if (gamma_value != 1)
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fz_gamma_pixmap(pix, gamma_value);
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if (output)
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{
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char buf[512];
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sprintf(buf, output, pagenum);
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if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm"))
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fz_write_pnm(pix, buf);
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else if (strstr(output, ".pam"))
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fz_write_pam(pix, buf, savealpha);
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else if (strstr(output, ".png"))
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fz_write_png(pix, buf, savealpha);
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else if (strstr(output, ".pbm")) {
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fz_halftone *ht = fz_get_default_halftone(1);
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fz_bitmap *bit = fz_halftone_pixmap(pix, ht);
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fz_write_pbm(bit, buf);
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fz_drop_bitmap(bit);
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fz_drop_halftone(ht);
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}
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}
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if (showmd5)
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{
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fz_md5 md5;
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unsigned char digest[16];
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int i;
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fz_md5_init(&md5);
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fz_md5_update(&md5, pix->samples, pix->w * pix->h * pix->n);
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fz_md5_final(&md5, digest);
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printf(" ");
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for (i = 0; i < 16; i++)
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printf("%02x", digest[i]);
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}
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fz_drop_pixmap(pix);
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}
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if (list)
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fz_free_display_list(list);
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pdf_free_page(page);
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if (showtime)
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{
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int end = gettime();
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int diff = end - start;
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if (diff < timing.min)
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{
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timing.min = diff;
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timing.minpage = pagenum;
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}
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if (diff > timing.max)
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{
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timing.max = diff;
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timing.maxpage = pagenum;
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}
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timing.total += diff;
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timing.count ++;
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printf(" %dms", diff);
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}
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if (showmd5 || showtime)
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printf("\n");
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pdf_age_store(xref->store, 3);
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fz_flush_warnings();
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}
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static void drawrange(pdf_xref *xref, char *range)
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{
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int page, spage, epage;
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char *spec, *dash;
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spec = fz_strsep(&range, ",");
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while (spec)
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{
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dash = strchr(spec, '-');
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if (dash == spec)
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spage = epage = pdf_count_pages(xref);
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else
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spage = epage = atoi(spec);
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if (dash)
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{
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if (strlen(dash) > 1)
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epage = atoi(dash + 1);
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else
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epage = pdf_count_pages(xref);
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}
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spage = CLAMP(spage, 1, pdf_count_pages(xref));
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epage = CLAMP(epage, 1, pdf_count_pages(xref));
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if (spage < epage)
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for (page = spage; page <= epage; page++)
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drawpage(xref, page);
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else
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for (page = spage; page >= epage; page--)
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drawpage(xref, page);
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spec = fz_strsep(&range, ",");
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}
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}
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int main(int argc, char **argv)
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{
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char *password = "";
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int grayscale = 0;
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int accelerate = 1;
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pdf_xref *xref;
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fz_error error;
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int c;
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while ((c = fz_getopt(argc, argv, "o:p:r:R:Aab:dgmtx5G:I")) != -1)
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{
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switch (c)
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{
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case 'o': output = fz_optarg; break;
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case 'p': password = fz_optarg; break;
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case 'r': resolution = atof(fz_optarg); break;
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case 'R': rotation = atof(fz_optarg); break;
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case 'A': accelerate = 0; break;
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case 'a': savealpha = 1; break;
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case 'b': alphabits = atoi(fz_optarg); break;
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case 'm': showtime++; break;
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case 't': showtext++; break;
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case 'x': showxml++; break;
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case '5': showmd5++; break;
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case 'g': grayscale++; break;
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case 'd': uselist = 0; break;
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case 'G': gamma_value = atof(fz_optarg); break;
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case 'I': invert++; break;
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default: usage(); break;
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}
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}
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fz_set_aa_level(alphabits);
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if (fz_optind == argc)
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usage();
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if (!showtext && !showxml && !showtime && !showmd5 && !output)
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{
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printf("nothing to do\n");
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exit(0);
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}
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if (accelerate)
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fz_accelerate();
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glyphcache = fz_new_glyph_cache();
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colorspace = fz_device_rgb;
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if (grayscale)
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colorspace = fz_device_gray;
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if (output && strstr(output, ".pgm"))
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colorspace = fz_device_gray;
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if (output && strstr(output, ".ppm"))
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colorspace = fz_device_rgb;
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if (output && strstr(output, ".pbm"))
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colorspace = fz_device_gray;
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timing.count = 0;
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timing.total = 0;
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timing.min = 1 << 30;
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timing.max = 0;
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timing.minpage = 0;
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timing.maxpage = 0;
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if (showxml)
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printf("<?xml version=\"1.0\"?>\n");
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while (fz_optind < argc)
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{
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filename = argv[fz_optind++];
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error = pdf_open_xref(&xref, filename, password);
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if (error)
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die(fz_rethrow(error, "cannot open document: %s", filename));
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error = pdf_load_page_tree(xref);
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if (error)
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die(fz_rethrow(error, "cannot load page tree: %s", filename));
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if (showxml)
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printf("<document name=\"%s\">\n", filename);
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if (fz_optind == argc || !isrange(argv[fz_optind]))
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drawrange(xref, "1-");
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if (fz_optind < argc && isrange(argv[fz_optind]))
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drawrange(xref, argv[fz_optind++]);
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if (showxml)
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printf("</document>\n");
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pdf_free_xref(xref);
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}
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if (showtime)
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{
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printf("total %dms / %d pages for an average of %dms\n",
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timing.total, timing.count, timing.total / timing.count);
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printf("fastest page %d: %dms\n", timing.minpage, timing.min);
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printf("slowest page %d: %dms\n", timing.maxpage, timing.max);
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}
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fz_free_glyph_cache(glyphcache);
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fz_flush_warnings();
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return 0;
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}
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