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Regard whitespace Rev 4679 → Rev 4680

/contrib/media/updf/apps/pdfdraw.c
0,0 → 1,405
/*
* pdfdraw -- command line tool for drawing pdf documents
*/
 
#include "fitz.h"
#include "mupdf.h"
 
#ifdef _MSC_VER
#include <winsock2.h>
#else
#include <sys/time.h>
#endif
 
char *output = NULL;
float resolution = 72;
float rotation = 0;
 
int showxml = 0;
int showtext = 0;
int showtime = 0;
int showmd5 = 0;
int savealpha = 0;
int uselist = 1;
int alphabits = 8;
float gamma_value = 1;
int invert = 0;
 
fz_colorspace *colorspace;
fz_glyph_cache *glyphcache;
char *filename;
 
struct {
int count, total;
int min, max;
int minpage, maxpage;
} timing;
 
static void die(fz_error error)
{
fz_catch(error, "aborting");
exit(1);
}
 
static void usage(void)
{
fprintf(stderr,
"usage: pdfdraw [options] input.pdf [pages]\n"
"\t-o -\toutput filename (%%d for page number)\n"
"\t\tsupported formats: pgm, ppm, pam, png, pbm\n"
"\t-p -\tpassword\n"
"\t-r -\tresolution in dpi (default: 72)\n"
"\t-A\tdisable accelerated functions\n"
"\t-a\tsave alpha channel (only pam and png)\n"
"\t-b -\tnumber of bits of antialiasing (0 to 8)\n"
"\t-g\trender in grayscale\n"
"\t-m\tshow timing information\n"
"\t-t\tshow text (-tt for xml)\n"
"\t-x\tshow display list\n"
"\t-d\tdisable use of display list\n"
"\t-5\tshow md5 checksums\n"
"\t-R -\trotate clockwise by given number of degrees\n"
"\t-G gamma\tgamma correct output\n"
"\t-I\tinvert output\n"
"\tpages\tcomma separated list of ranges\n");
exit(1);
}
 
static int gettime(void)
{
static struct timeval first;
static int once = 1;
struct timeval now;
if (once)
{
gettimeofday(&first, NULL);
once = 0;
}
gettimeofday(&now, NULL);
return (now.tv_sec - first.tv_sec) * 1000 + (now.tv_usec - first.tv_usec) / 1000;
}
 
static int isrange(char *s)
{
while (*s)
{
if ((*s < '0' || *s > '9') && *s != '-' && *s != ',')
return 0;
s++;
}
return 1;
}
 
static void drawpage(pdf_xref *xref, int pagenum)
{
fz_error error;
pdf_page *page;
fz_display_list *list;
fz_device *dev;
int start;
 
if (showtime)
{
start = gettime();
}
 
error = pdf_load_page(&page, xref, pagenum - 1);
if (error)
die(fz_rethrow(error, "cannot load page %d in file '%s'", pagenum, filename));
 
list = NULL;
 
if (uselist)
{
list = fz_new_display_list();
dev = fz_new_list_device(list);
error = pdf_run_page(xref, page, dev, fz_identity);
if (error)
die(fz_rethrow(error, "cannot draw page %d in file '%s'", pagenum, filename));
fz_free_device(dev);
}
 
if (showxml)
{
dev = fz_new_trace_device();
printf("<page number=\"%d\">\n", pagenum);
if (list)
fz_execute_display_list(list, dev, fz_identity, fz_infinite_bbox);
else
pdf_run_page(xref, page, dev, fz_identity);
printf("</page>\n");
fz_free_device(dev);
}
 
if (showtext)
{
fz_text_span *text = fz_new_text_span();
dev = fz_new_text_device(text);
if (list)
fz_execute_display_list(list, dev, fz_identity, fz_infinite_bbox);
else
pdf_run_page(xref, page, dev, fz_identity);
fz_free_device(dev);
printf("[Page %d]\n", pagenum);
if (showtext > 1)
fz_debug_text_span_xml(text);
else
fz_debug_text_span(text);
printf("\n");
fz_free_text_span(text);
}
 
if (showmd5 || showtime)
printf("page %s %d", filename, pagenum);
 
if (output || showmd5 || showtime)
{
float zoom;
fz_matrix ctm;
fz_bbox bbox;
fz_pixmap *pix;
 
zoom = resolution / 72;
ctm = fz_translate(0, -page->mediabox.y1);
ctm = fz_concat(ctm, fz_scale(zoom, -zoom));
ctm = fz_concat(ctm, fz_rotate(page->rotate));
ctm = fz_concat(ctm, fz_rotate(rotation));
bbox = fz_round_rect(fz_transform_rect(ctm, page->mediabox));
 
/* TODO: banded rendering and multi-page ppm */
 
pix = fz_new_pixmap_with_rect(colorspace, bbox);
 
if (savealpha)
fz_clear_pixmap(pix);
else
fz_clear_pixmap_with_color(pix, 255);
 
dev = fz_new_draw_device(glyphcache, pix);
if (list)
fz_execute_display_list(list, dev, ctm, bbox);
else
pdf_run_page(xref, page, dev, ctm);
fz_free_device(dev);
 
if (invert)
fz_invert_pixmap(pix);
if (gamma_value != 1)
fz_gamma_pixmap(pix, gamma_value);
 
if (output)
{
char buf[512];
sprintf(buf, output, pagenum);
if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm"))
fz_write_pnm(pix, buf);
else if (strstr(output, ".pam"))
fz_write_pam(pix, buf, savealpha);
else if (strstr(output, ".png"))
fz_write_png(pix, buf, savealpha);
else if (strstr(output, ".pbm")) {
fz_halftone *ht = fz_get_default_halftone(1);
fz_bitmap *bit = fz_halftone_pixmap(pix, ht);
fz_write_pbm(bit, buf);
fz_drop_bitmap(bit);
fz_drop_halftone(ht);
}
}
 
if (showmd5)
{
fz_md5 md5;
unsigned char digest[16];
int i;
 
fz_md5_init(&md5);
fz_md5_update(&md5, pix->samples, pix->w * pix->h * pix->n);
fz_md5_final(&md5, digest);
 
printf(" ");
for (i = 0; i < 16; i++)
printf("%02x", digest[i]);
}
 
fz_drop_pixmap(pix);
}
 
if (list)
fz_free_display_list(list);
 
pdf_free_page(page);
 
if (showtime)
{
int end = gettime();
int diff = end - start;
 
if (diff < timing.min)
{
timing.min = diff;
timing.minpage = pagenum;
}
if (diff > timing.max)
{
timing.max = diff;
timing.maxpage = pagenum;
}
timing.total += diff;
timing.count ++;
 
printf(" %dms", diff);
}
 
if (showmd5 || showtime)
printf("\n");
 
pdf_age_store(xref->store, 3);
 
fz_flush_warnings();
}
 
static void drawrange(pdf_xref *xref, char *range)
{
int page, spage, epage;
char *spec, *dash;
 
spec = fz_strsep(&range, ",");
while (spec)
{
dash = strchr(spec, '-');
 
if (dash == spec)
spage = epage = pdf_count_pages(xref);
else
spage = epage = atoi(spec);
 
if (dash)
{
if (strlen(dash) > 1)
epage = atoi(dash + 1);
else
epage = pdf_count_pages(xref);
}
 
spage = CLAMP(spage, 1, pdf_count_pages(xref));
epage = CLAMP(epage, 1, pdf_count_pages(xref));
 
if (spage < epage)
for (page = spage; page <= epage; page++)
drawpage(xref, page);
else
for (page = spage; page >= epage; page--)
drawpage(xref, page);
 
spec = fz_strsep(&range, ",");
}
}
 
int main(int argc, char **argv)
{
char *password = "";
int grayscale = 0;
int accelerate = 1;
pdf_xref *xref;
fz_error error;
int c;
 
while ((c = fz_getopt(argc, argv, "o:p:r:R:Aab:dgmtx5G:I")) != -1)
{
switch (c)
{
case 'o': output = fz_optarg; break;
case 'p': password = fz_optarg; break;
case 'r': resolution = atof(fz_optarg); break;
case 'R': rotation = atof(fz_optarg); break;
case 'A': accelerate = 0; break;
case 'a': savealpha = 1; break;
case 'b': alphabits = atoi(fz_optarg); break;
case 'm': showtime++; break;
case 't': showtext++; break;
case 'x': showxml++; break;
case '5': showmd5++; break;
case 'g': grayscale++; break;
case 'd': uselist = 0; break;
case 'G': gamma_value = atof(fz_optarg); break;
case 'I': invert++; break;
default: usage(); break;
}
}
 
fz_set_aa_level(alphabits);
 
if (fz_optind == argc)
usage();
 
if (!showtext && !showxml && !showtime && !showmd5 && !output)
{
printf("nothing to do\n");
exit(0);
}
 
if (accelerate)
fz_accelerate();
 
glyphcache = fz_new_glyph_cache();
 
colorspace = fz_device_rgb;
if (grayscale)
colorspace = fz_device_gray;
if (output && strstr(output, ".pgm"))
colorspace = fz_device_gray;
if (output && strstr(output, ".ppm"))
colorspace = fz_device_rgb;
if (output && strstr(output, ".pbm"))
colorspace = fz_device_gray;
 
timing.count = 0;
timing.total = 0;
timing.min = 1 << 30;
timing.max = 0;
timing.minpage = 0;
timing.maxpage = 0;
 
if (showxml)
printf("<?xml version=\"1.0\"?>\n");
 
while (fz_optind < argc)
{
filename = argv[fz_optind++];
 
error = pdf_open_xref(&xref, filename, password);
if (error)
die(fz_rethrow(error, "cannot open document: %s", filename));
 
error = pdf_load_page_tree(xref);
if (error)
die(fz_rethrow(error, "cannot load page tree: %s", filename));
 
if (showxml)
printf("<document name=\"%s\">\n", filename);
 
if (fz_optind == argc || !isrange(argv[fz_optind]))
drawrange(xref, "1-");
if (fz_optind < argc && isrange(argv[fz_optind]))
drawrange(xref, argv[fz_optind++]);
 
if (showxml)
printf("</document>\n");
 
pdf_free_xref(xref);
}
 
if (showtime)
{
printf("total %dms / %d pages for an average of %dms\n",
timing.total, timing.count, timing.total / timing.count);
printf("fastest page %d: %dms\n", timing.minpage, timing.min);
printf("slowest page %d: %dms\n", timing.maxpage, timing.max);
}
 
fz_free_glyph_cache(glyphcache);
 
fz_flush_warnings();
 
return 0;
}