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Diffstat (limited to 'apps')
-rw-r--r--apps/pdftool.c301
1 files changed, 194 insertions, 107 deletions
diff --git a/apps/pdftool.c b/apps/pdftool.c
index 91ecc22b..f92a9586 100644
--- a/apps/pdftool.c
+++ b/apps/pdftool.c
@@ -976,7 +976,8 @@ infousage(void)
exit(1);
}
-void gatherinfo()
+void
+gatherglobalinfo()
{
info = malloc(sizeof (struct info));
if (!info)
@@ -997,7 +998,8 @@ void gatherinfo()
info->u.info.obj = src->info;
}
-fz_error *gatherdimensions(int page, fz_obj *pageref, fz_obj *pageobj)
+fz_error *
+gatherdimensions(int page, fz_obj *pageref, fz_obj *pageobj)
{
fz_error *error;
fz_obj *ref;
@@ -1013,7 +1015,6 @@ fz_error *gatherdimensions(int page, fz_obj *pageref, fz_obj *pageobj)
return fz_throw("cannot find page bounds (%d %d R)", fz_tonum(ref), fz_togen(ref));
bbox = pdf_torect(obj);
- fz_dropobj(obj);
for (j = 0; j < dims; j++)
if (!memcmp(dim[j]->u.dim.bbox, &bbox, sizeof (fz_rect)))
@@ -1044,7 +1045,8 @@ fz_error *gatherdimensions(int page, fz_obj *pageref, fz_obj *pageobj)
return fz_okay;
}
-fz_error *gatherfonts(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
+fz_error *
+gatherfonts(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
{
fz_error *error;
int i;
@@ -1081,8 +1083,6 @@ fz_error *gatherfonts(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
if (!fz_isnull(basefont) && !fz_isname(basefont))
return fz_throw("not a font dict basefont (%d %d R)", fz_tonum(ref), fz_togen(ref));
- fz_dropobj(fontdict);
-
for (k = 0; k < fonts; k++)
if (fz_tonum(font[k]->ref) == fz_tonum(ref) &&
fz_togen(font[k]->ref) == fz_togen(ref))
@@ -1111,7 +1111,8 @@ fz_error *gatherfonts(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
return fz_okay;
}
-fz_error *gatherimages(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
+fz_error *
+gatherimages(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
{
fz_error *error;
int i;
@@ -1274,7 +1275,8 @@ fz_error *gatherimages(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
return fz_okay;
}
-fz_error *gatherforms(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
+fz_error *
+gatherforms(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
{
fz_error *error;
int i;
@@ -1368,7 +1370,8 @@ fz_error *gatherforms(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
return fz_okay;
}
-fz_error *gatherpsobjs(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
+fz_error *
+gatherpsobjs(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
{
fz_error *error;
int i;
@@ -1439,7 +1442,8 @@ fz_error *gatherpsobjs(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
return fz_okay;
}
-fz_error *gathershadings(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
+fz_error *
+gathershadings(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
{
fz_error *error;
int i;
@@ -1492,7 +1496,8 @@ fz_error *gathershadings(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dic
return fz_okay;
}
-fz_error *gatherpatterns(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
+fz_error *
+gatherpatterns(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dict)
{
fz_error *error;
int i;
@@ -1501,7 +1506,7 @@ fz_error *gatherpatterns(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dic
{
fz_obj *ref;
fz_obj *patterndict;
- fz_obj *patterntype;
+ fz_obj *type;
fz_obj *paint;
fz_obj *tiling;
int k;
@@ -1513,14 +1518,14 @@ fz_error *gatherpatterns(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dic
if (!fz_isdict(patterndict))
return fz_throw("not a pattern dict (%d %d R)", fz_tonum(ref), fz_togen(ref));
- patterntype = fz_dictgets(patterndict, "PatternType");
- error = pdf_resolve(&patterntype, src);
+ type = fz_dictgets(patterndict, "PatternType");
+ error = pdf_resolve(&type, src);
if (error)
return fz_rethrow(error, "cannot resolve indirect pattern type (%d %d R)", fz_tonum(ref), fz_togen(ref));
- if (!fz_isint(patterntype) || fz_toint(patterntype) < 1 || fz_toint(patterntype) > 2)
+ if (!fz_isint(type) || fz_toint(type) < 1 || fz_toint(type) > 2)
return fz_throw("not a pattern type (%d %d R)", fz_tonum(ref), fz_togen(ref));
- if (fz_toint(patterntype) == 1)
+ if (fz_toint(type) == 1)
{
paint = fz_dictgets(patterndict, "PaintType");
error = pdf_resolve(&paint, src);
@@ -1536,6 +1541,15 @@ fz_error *gatherpatterns(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dic
if (!fz_isint(tiling) || fz_toint(tiling) < 1 || fz_toint(tiling) > 3)
return fz_throw("not a pattern tiling type (%d %d R)", fz_tonum(ref), fz_togen(ref));
}
+ else
+ {
+ error = fz_newint(&paint, 0);
+ if (error)
+ return fz_throw("cannot create fake pattern paint type");
+ error = fz_newint(&tiling, 0);
+ if (error)
+ return fz_throw("cannot create fake pattern tiling type");
+ }
for (k = 0; k < patterns; k++)
if (fz_tonum(pattern[k]->ref) == fz_tonum(ref) &&
@@ -1558,7 +1572,7 @@ fz_error *gatherpatterns(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dic
pattern[patterns - 1]->page = page;
pattern[patterns - 1]->pageref = pageref;
pattern[patterns - 1]->ref = ref;
- pattern[patterns - 1]->u.pattern.pattern = patterntype;
+ pattern[patterns - 1]->u.pattern.pattern = type;
pattern[patterns - 1]->u.pattern.paint = paint;
pattern[patterns - 1]->u.pattern.tiling = tiling;
}
@@ -1566,86 +1580,107 @@ fz_error *gatherpatterns(int page, fz_obj *pageref, fz_obj *pageobj, fz_obj *dic
return fz_okay;
}
-void collectinfo()
+void
+gatherinfo(int show, int page)
{
- int i;
+ fz_error *error;
+ fz_obj *pageref;
+ fz_obj *pageobj;
+ fz_obj *rsrc;
+ fz_obj *font;
+ fz_obj *xobj;
+ fz_obj *shade;
+ fz_obj *pattern;
- gatherinfo();
+ pageref = pdf_getpagereference(srcpages, page - 1);
+ pageobj = pdf_getpageobject(srcpages, page - 1);
- for (i = 1; i <= pdf_getpagecount(srcpages); i++)
- {
- fz_error *error;
- fz_obj *pageref;
- fz_obj *pageobj;
- fz_obj *rsrc;
- fz_obj *font;
- fz_obj *xobj;
- fz_obj *shade;
-
- pageref = pdf_getpagereference(srcpages, i - 1);
- pageobj = pdf_getpageobject(srcpages, i - 1);
+ if (!pageref || !pageobj)
+ die(fz_throw("cannot retrieve info from page %d", page));
- error = gatherdimensions(i, pageref, pageobj);
+ if (show & DIMENSIONS)
+ {
+ error = gatherdimensions(page, pageref, pageobj);
if (error)
- die(fz_rethrow(error, "gathering dimensions at page %d (%d %d R)", i, fz_tonum(pageref), fz_togen(pageref)));
+ die(fz_rethrow(error, "gathering dimensions at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
+ }
- rsrc = fz_dictgets(pageobj, "Resources");
- error = pdf_resolve(&rsrc, src);
- if (error)
- die(fz_rethrow(error, "retrieving resources at page %d (%d %d R)", i, fz_tonum(pageref), fz_togen(pageref)));
+ rsrc = fz_dictgets(pageobj, "Resources");
+ error = pdf_resolve(&rsrc, src);
+ if (error)
+ die(fz_rethrow(error, "retrieving resources at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
+ if (show & FONTS)
+ {
font = fz_dictgets(rsrc, "Font");
- xobj = fz_dictgets(rsrc, "XObject");
- shade = fz_dictgets(rsrc, "Shading");
- fz_dropobj(rsrc);
-
if (font)
{
error = pdf_resolve(&font, src);
if (error)
- die(fz_rethrow(error, "resolving font dict at page %d (%d %d R)", i, fz_tonum(pageref), fz_togen(pageref)));
+ die(fz_rethrow(error, "resolving font dict at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
- error = gatherfonts(i, pageref, pageobj, font);
+ error = gatherfonts(page, pageref, pageobj, font);
if (error)
- die(fz_rethrow(error, "gathering fonts at page %d (%d %d R)", i, fz_tonum(pageref), fz_togen(pageref)));
+ die(fz_rethrow(error, "gathering fonts at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
}
+ }
+ if (show & IMAGES || show & XOBJS)
+ {
+ xobj = fz_dictgets(rsrc, "XObject");
if (xobj)
{
error = pdf_resolve(&xobj, src);
if (error)
- die(fz_rethrow(error, "resolving xobject dict at page %d (%d %d R)", i, fz_tonum(pageref), fz_togen(pageref)));
+ die(fz_rethrow(error, "resolving xobject dict at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
- error = gatherimages(i, pageref, pageobj, xobj);
+ error = gatherimages(page, pageref, pageobj, xobj);
if (error)
- die(fz_rethrow(error, "gathering images at page %d (%d %d R)", i, fz_tonum(pageref), fz_togen(pageref)));
- error = gatherforms(i, pageref, pageobj, xobj);
+ die(fz_rethrow(error, "gathering images at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
+ error = gatherforms(page, pageref, pageobj, xobj);
if (error)
- die(fz_rethrow(error, "gathering forms at page %d (%d %d R)", i, fz_tonum(pageref), fz_togen(pageref)));
- error = gatherpsobjs(i, pageref, pageobj, xobj);
+ die(fz_rethrow(error, "gathering forms at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
+ error = gatherpsobjs(page, pageref, pageobj, xobj);
if (error)
- die(fz_rethrow(error, "gathering postscript objects at page %d (%d %d R)", i, fz_tonum(pageref), fz_togen(pageref)));
+ die(fz_rethrow(error, "gathering postscript objects at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
}
+ }
+ if (show & SHADINGS)
+ {
+ shade = fz_dictgets(rsrc, "Shading");
if (shade)
{
error = pdf_resolve(&shade, src);
if (error)
- die(fz_rethrow(error, "resolving shading dict at page %d (%d %d R)", i, fz_tonum(pageref), fz_togen(pageref)));
+ die(fz_rethrow(error, "resolving shading dict at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
- error = gathershadings(i, pageref, pageobj, shade);
+ error = gathershadings(page, pageref, pageobj, shade);
if (error)
- die(fz_rethrow(error, "gathering shadings at page %d (%d %d R)", i, fz_tonum(pageref), fz_togen(pageref)));
+ die(fz_rethrow(error, "gathering shadings at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
+ }
+ }
+
+ if (show & PATTERNS)
+ {
+ pattern = fz_dictgets(rsrc, "Pattern");
+ if (pattern)
+ {
+ error = pdf_resolve(&pattern, src);
+ if (error)
+ die(fz_rethrow(error, "resolving pattern dict at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
+
+ error = gathershadings(page, pageref, pageobj, shade);
+ if (error)
+ die(fz_rethrow(error, "gathering shadings at page %d (%d %d R)", page, fz_tonum(pageref), fz_togen(pageref)));
}
}
}
void
-printinfo(int show)
+printglobalinfo(char *filename)
{
- int i;
- int j;
-
+ printf("%s:\n\n", filename);
printf("PDF-%d.%d\n\n", src->version / 10, src->version % 10);
if (info->u.info.obj)
@@ -1655,6 +1690,13 @@ printinfo(int show)
}
printf("\nPages: %d\n\n", pdf_getpagecount(srcpages));
+}
+
+void
+printinfo(char *filename, int show, int page)
+{
+ int i;
+ int j;
#define PAGE_FMT "\t% 6d (% 6d %1d R): "
@@ -1697,13 +1739,7 @@ printinfo(int show)
printf("\n");
for (i = 0; i < fonts; i++)
- {
- if (font[i]->u.font.subtype)
- fz_dropobj(font[i]->u.font.subtype);
- if (font[i]->u.font.basefont)
- fz_dropobj(font[i]->u.font.basefont);
free(font[i]);
- }
free(font);
font = nil;
fonts = 0;
@@ -1737,19 +1773,7 @@ printinfo(int show)
printf("\n");
for (i = 0; i < images; i++)
- {
- if (image[i]->u.image.width)
- fz_dropobj(image[i]->u.image.width);
- if (image[i]->u.image.height)
- fz_dropobj(image[i]->u.image.height);
- if (image[i]->u.image.bpc)
- fz_dropobj(image[i]->u.image.bpc);
- if (image[i]->u.image.filter)
- fz_dropobj(image[i]->u.image.filter);
- if (image[i]->u.image.cs)
- fz_dropobj(image[i]->u.image.cs);
free(image[i]);
- }
free(image);
image = nil;
images = 0;
@@ -1781,11 +1805,7 @@ printinfo(int show)
printf("\n");
for (i = 0; i < shadings; i++)
- {
- if (shading[i]->u.shading.type)
- fz_dropobj(shading[i]->u.shading.type);
free(shading[i]);
- }
free(shading);
shading = nil;
shadings = 0;
@@ -1798,16 +1818,19 @@ printinfo(int show)
{
char *patterntype[] =
{
+ "",
"Tiling",
"Shading",
};
char *painttype[] =
{
+ "",
"Colored",
"Uncolored",
};
char *tilingtype[] =
{
+ "",
"Constant spacing",
"No distortion",
"Constant space/fast tiling",
@@ -1824,15 +1847,7 @@ printinfo(int show)
printf("\n");
for (i = 0; i < patterns; i++)
- {
- if (pattern[i]->u.pattern.pattern)
- fz_dropobj(pattern[i]->u.pattern.pattern);
- if (pattern[i]->u.pattern.paint)
- fz_dropobj(pattern[i]->u.pattern.paint);
- if (pattern[i]->u.pattern.tiling)
- fz_dropobj(pattern[i]->u.pattern.tiling);
free(pattern[i]);
- }
free(pattern);
pattern = nil;
patterns = 0;
@@ -1853,11 +1868,7 @@ printinfo(int show)
printf("\n");
for (i = 0; i < forms; i++)
- {
- if (form[i]->u.form.group)
- fz_dropobj(form[i]->u.form.group);
free(form[i]);
- }
free(form);
form = nil;
forms = 0;
@@ -1884,8 +1895,71 @@ printinfo(int show)
}
void
+showinfo(char *filename, int show, char *pagelist)
+{
+ int page, spage, epage;
+ char *spec, *dash;
+ int allpages;
+
+ if (!src)
+ infousage();
+
+ allpages = !strcmp(pagelist, "1-");
+
+ spec = strsep(&pagelist, ",");
+ while (spec)
+ {
+ dash = strchr(spec, '-');
+
+ if (dash == spec)
+ spage = epage = 1;
+ else
+ spage = epage = atoi(spec);
+
+ if (dash)
+ {
+ if (strlen(dash) > 1)
+ epage = atoi(dash + 1);
+ else
+ epage = pdf_getpagecount(srcpages);
+ }
+
+ if (spage > epage)
+ page = spage, spage = epage, epage = page;
+
+ if (spage < 1)
+ spage = 1;
+ if (epage > pdf_getpagecount(srcpages))
+ epage = pdf_getpagecount(srcpages);
+ if (spage > pdf_getpagecount(srcpages))
+ spage = pdf_getpagecount(srcpages);
+
+ if (allpages)
+ printf("Retrieving info from pages %d-%d...\n", spage, epage);
+ for (page = spage; page <= epage; page++)
+ {
+ gatherinfo(show, page);
+ if (!allpages)
+ {
+ printf("Page %05d:\n", page);
+ printinfo(filename, show, page);
+ printf("\n");
+ }
+
+ }
+
+ spec = strsep(&pagelist, ",");
+ }
+
+ if (allpages)
+ printinfo(filename, show, -1);
+}
+
+void
infomain(int argc, char **argv)
{
+ enum { NO_FILE_OPENED, NO_INFO_GATHERED, INFO_SHOWN } state;
+ char *filename = "";
char *password = "";
int show = ALL;
int c;
@@ -1910,26 +1984,39 @@ infomain(int argc, char **argv)
if (optind == argc)
infousage();
+ state = NO_FILE_OPENED;
while (optind < argc)
{
- if (!strstr(argv[optind], ".pdf") &&
- !strstr(argv[optind], ".PDF"))
+ if (strstr(argv[optind], ".pdf") || strstr(argv[optind], ".PDF"))
{
- infousage();
- break;
- }
-
- printf("%s:\n\n", argv[optind]);
- opensrc(argv[optind], password, 1);
- if (!src)
- infousage();
+ if (state == NO_INFO_GATHERED)
+ {
+ printglobalinfo(filename);
+ showinfo(filename, show, "1-");
+ }
- collectinfo();
- printinfo(show);
+ filename = argv[optind];
+ opensrc(filename, password, 1);
+ gatherglobalinfo();
+ state = NO_INFO_GATHERED;
+ }
+ else
+ {
+ if (state == NO_INFO_GATHERED)
+ printglobalinfo(filename);
+ showinfo(filename, show, argv[optind]);
+ state = INFO_SHOWN;
+ }
optind++;
}
+ if (state == NO_INFO_GATHERED)
+ {
+ printglobalinfo(filename);
+ showinfo(filename, show, "1-");
+ }
+
closesrc();
}
@@ -2256,8 +2343,8 @@ main(int argc, char **argv)
cleanmain(argc, argv);
else if (!strcmp(argv[1], "edit"))
editmain(argc, argv);
- else if (!strcmp(argv[1], "info"))
- infomain(argc, argv);
+ else if (!strcmp(argv[1], "info"))
+ infomain(argc, argv);
else
mainusage();
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 10:54:42 +0000