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Diffstat (limited to 'pdf/pdf_annot.c')
-rw-r--r--pdf/pdf_annot.c204
1 files changed, 108 insertions, 96 deletions
diff --git a/pdf/pdf_annot.c b/pdf/pdf_annot.c
index ba4d509d..e9145077 100644
--- a/pdf/pdf_annot.c
+++ b/pdf/pdf_annot.c
@@ -34,19 +34,26 @@ pdf_parse_link_dest(pdf_xref *xref, fz_obj *dest)
fz_obj *obj;
int read = 0;
+ dest = resolve_dest(xref, dest);
+ if (dest == NULL || !fz_is_array(dest))
+ {
+ ld.kind = FZ_LINK_NONE;
+ return ld;
+ }
obj = fz_array_get(dest, 0);
if (fz_is_int(obj))
- ld.gotor.page = fz_to_int(obj)-1;
+ ld.ld.gotor.page = fz_to_int(obj)-1;
else
- ld.gotor.page = pdf_find_page_number(xref, obj);
+ ld.ld.gotor.page = pdf_find_page_number(xref, obj);
- ld.gotor.flags = 0;
- ld.gotor.lt.x = 0;
- ld.gotor.lt.y = 0;
- ld.gotor.rb.x = 0;
- ld.gotor.rb.y = 0;
- ld.gotor.file_spec = NULL;
- ld.gotor.new_window = 0;
+ ld.kind = FZ_LINK_GOTO;
+ ld.ld.gotor.flags = 0;
+ ld.ld.gotor.lt.x = 0;
+ ld.ld.gotor.lt.y = 0;
+ ld.ld.gotor.rb.x = 0;
+ ld.ld.gotor.rb.y = 0;
+ ld.ld.gotor.file_spec = NULL;
+ ld.ld.gotor.new_window = 0;
obj = fz_array_get(dest, 1);
if (!fz_is_name(obj))
@@ -55,29 +62,29 @@ pdf_parse_link_dest(pdf_xref *xref, fz_obj *dest)
if (!strcmp("XYZ", fz_to_name(obj)))
{
read = 1+16;
- ld.gotor.flags |= fz_link_flag_r_is_zoom;
+ ld.ld.gotor.flags |= fz_link_flag_r_is_zoom;
}
else if ((!strcmp("Fit", fz_to_name(obj))) || (!strcmp("FitB", fz_to_name(obj))))
{
read = 0;
- ld.gotor.flags |= fz_link_flag_fit_h;
- ld.gotor.flags |= fz_link_flag_fit_v;
+ ld.ld.gotor.flags |= fz_link_flag_fit_h;
+ ld.ld.gotor.flags |= fz_link_flag_fit_v;
}
else if ((!strcmp("FitH", fz_to_name(obj))) || (!strcmp("FitBH", fz_to_name(obj))))
{
read = 32;
- ld.gotor.flags |= fz_link_flag_fit_h;
+ ld.ld.gotor.flags |= fz_link_flag_fit_h;
}
else if ((!strcmp("FitV", fz_to_name(obj))) || (!strcmp("FitBV", fz_to_name(obj))))
{
read = 1;
- ld.gotor.flags |= fz_link_flag_fit_v;
+ ld.ld.gotor.flags |= fz_link_flag_fit_v;
}
else if (!strcmp("FitR", fz_to_name(obj)))
{
read = 1+2+4+8;
- ld.gotor.flags |= fz_link_flag_fit_h;
- ld.gotor.flags |= fz_link_flag_fit_v;
+ ld.ld.gotor.flags |= fz_link_flag_fit_h;
+ ld.ld.gotor.flags |= fz_link_flag_fit_v;
}
if (read & 1)
@@ -85,13 +92,13 @@ pdf_parse_link_dest(pdf_xref *xref, fz_obj *dest)
obj = fz_array_get(dest, 2);
if (fz_is_int(obj))
{
- ld.gotor.flags |= fz_link_flag_l_valid;
- ld.gotor.lt.x = fz_to_int(obj);
+ ld.ld.gotor.flags |= fz_link_flag_l_valid;
+ ld.ld.gotor.lt.x = fz_to_int(obj);
}
else if (fz_is_real(obj))
{
- ld.gotor.flags |= fz_link_flag_l_valid;
- ld.gotor.lt.x = fz_to_real(obj);
+ ld.ld.gotor.flags |= fz_link_flag_l_valid;
+ ld.ld.gotor.lt.x = fz_to_real(obj);
}
}
if (read & 2)
@@ -99,13 +106,13 @@ pdf_parse_link_dest(pdf_xref *xref, fz_obj *dest)
obj = fz_array_get(dest, 3);
if (fz_is_int(obj))
{
- ld.gotor.flags |= fz_link_flag_b_valid;
- ld.gotor.rb.y = fz_to_int(obj);
+ ld.ld.gotor.flags |= fz_link_flag_b_valid;
+ ld.ld.gotor.rb.y = fz_to_int(obj);
}
else if (fz_is_real(obj))
{
- ld.gotor.flags |= fz_link_flag_b_valid;
- ld.gotor.rb.y = fz_to_real(obj);
+ ld.ld.gotor.flags |= fz_link_flag_b_valid;
+ ld.ld.gotor.rb.y = fz_to_real(obj);
}
}
if (read & 4)
@@ -113,13 +120,13 @@ pdf_parse_link_dest(pdf_xref *xref, fz_obj *dest)
obj = fz_array_get(dest, 4);
if (fz_is_int(obj))
{
- ld.gotor.flags |= fz_link_flag_r_valid;
- ld.gotor.rb.x = fz_to_int(obj);
+ ld.ld.gotor.flags |= fz_link_flag_r_valid;
+ ld.ld.gotor.rb.x = fz_to_int(obj);
}
else if (fz_is_real(obj))
{
- ld.gotor.flags |= fz_link_flag_r_valid;
- ld.gotor.rb.x = fz_to_real(obj);
+ ld.ld.gotor.flags |= fz_link_flag_r_valid;
+ ld.ld.gotor.rb.x = fz_to_real(obj);
}
}
if (read & (8+16+32))
@@ -132,13 +139,13 @@ pdf_parse_link_dest(pdf_xref *xref, fz_obj *dest)
obj = fz_array_get(dest, 2);
if (fz_is_int(obj))
{
- ld.gotor.flags |= fz_link_flag_t_valid;
- ld.gotor.lt.x = fz_to_int(obj);
+ ld.ld.gotor.flags |= fz_link_flag_t_valid;
+ ld.ld.gotor.lt.x = fz_to_int(obj);
}
else if (fz_is_real(obj))
{
- ld.gotor.flags |= fz_link_flag_t_valid;
- ld.gotor.lt.x = fz_to_real(obj);
+ ld.ld.gotor.flags |= fz_link_flag_t_valid;
+ ld.ld.gotor.lt.x = fz_to_real(obj);
}
}
if (read & 16)
@@ -146,26 +153,72 @@ pdf_parse_link_dest(pdf_xref *xref, fz_obj *dest)
obj = fz_array_get(dest, 4);
if (fz_is_int(obj))
{
- ld.gotor.flags |= fz_link_flag_r_valid;
- ld.gotor.rb.x = fz_to_int(obj);
+ ld.ld.gotor.flags |= fz_link_flag_r_valid;
+ ld.ld.gotor.rb.x = fz_to_int(obj);
}
else if (fz_is_real(obj))
{
- ld.gotor.flags |= fz_link_flag_r_valid;
- ld.gotor.rb.x = fz_to_real(obj);
+ ld.ld.gotor.flags |= fz_link_flag_r_valid;
+ ld.ld.gotor.rb.x = fz_to_real(obj);
}
}
/* Duplicate the values out for the sake of stupid clients */
- if ((ld.gotor.flags & (fz_link_flag_l_valid | fz_link_flag_r_valid)) == fz_link_flag_l_valid)
- ld.gotor.rb.x = ld.gotor.lt.x;
- if ((ld.gotor.flags & (fz_link_flag_l_valid | fz_link_flag_r_valid | fz_link_flag_r_is_zoom)) == fz_link_flag_r_valid)
- ld.gotor.lt.x = ld.gotor.rb.x;
- if ((ld.gotor.flags & (fz_link_flag_t_valid | fz_link_flag_b_valid)) == fz_link_flag_t_valid)
- ld.gotor.rb.y = ld.gotor.lt.y;
- if ((ld.gotor.flags & (fz_link_flag_t_valid | fz_link_flag_b_valid)) == fz_link_flag_b_valid)
- ld.gotor.lt.y = ld.gotor.rb.y;
+ if ((ld.ld.gotor.flags & (fz_link_flag_l_valid | fz_link_flag_r_valid)) == fz_link_flag_l_valid)
+ ld.ld.gotor.rb.x = ld.ld.gotor.lt.x;
+ if ((ld.ld.gotor.flags & (fz_link_flag_l_valid | fz_link_flag_r_valid | fz_link_flag_r_is_zoom)) == fz_link_flag_r_valid)
+ ld.ld.gotor.lt.x = ld.ld.gotor.rb.x;
+ if ((ld.ld.gotor.flags & (fz_link_flag_t_valid | fz_link_flag_b_valid)) == fz_link_flag_t_valid)
+ ld.ld.gotor.rb.y = ld.ld.gotor.lt.y;
+ if ((ld.ld.gotor.flags & (fz_link_flag_t_valid | fz_link_flag_b_valid)) == fz_link_flag_b_valid)
+ ld.ld.gotor.lt.y = ld.ld.gotor.rb.y;
+
+ return ld;
+}
+
+fz_link_dest
+pdf_parse_action(pdf_xref *xref, fz_obj *action)
+{
+ fz_link_dest ld;
+ fz_obj *obj, *dest;
+ fz_context *ctx = xref->ctx;
+
+ ld.kind = FZ_LINK_NONE;
+ if (!action)
+ return ld;
+
+ obj = fz_dict_gets(action, "S");
+ if (!strcmp(fz_to_name(obj), "GoTo"))
+ {
+ dest = fz_dict_gets(action, "D");
+ ld = pdf_parse_link_dest(xref, dest);
+ }
+ else if (!strcmp(fz_to_name(obj), "URI"))
+ {
+ ld.kind = FZ_LINK_URI;
+ ld.ld.uri.is_map = fz_to_int(fz_dict_gets(action, "IsMap"));
+ ld.ld.uri.uri = pdf_to_utf8(ctx, fz_dict_gets(action, "URI"));
+ }
+ else if (!strcmp(fz_to_name(obj), "Launch"))
+ {
+ ld.kind = FZ_LINK_LAUNCH;
+ ld.ld.launch.file_spec = pdf_to_utf8(ctx, fz_dict_gets(action, "F"));
+ ld.ld.launch.new_window = fz_to_int(fz_dict_gets(action, "NewWindow"));
+ }
+ else if (!strcmp(fz_to_name(obj), "Named"))
+ {
+ ld.kind = FZ_LINK_NAMED;
+ ld.ld.named.named = pdf_to_utf8(ctx, fz_dict_gets(action, "N"));
+ }
+ else if (!strcmp(fz_to_name(obj), "GoToR"))
+ {
+ dest = fz_dict_gets(action, "D");
+ ld = pdf_parse_link_dest(xref, dest);
+ ld.kind = FZ_LINK_GOTOR;
+ ld.ld.gotor.file_spec = pdf_to_utf8(ctx, fz_dict_gets(action, "F"));
+ ld.ld.gotor.new_window = fz_to_int(fz_dict_gets(action, "NewWindow"));
+ }
return ld;
}
@@ -177,6 +230,7 @@ pdf_load_link(pdf_xref *xref, fz_obj *dict)
fz_obj *obj;
fz_rect bbox;
fz_context *ctx = xref->ctx;
+ fz_link_dest ld;
dest = NULL;
@@ -189,63 +243,21 @@ pdf_load_link(pdf_xref *xref, fz_obj *dict)
obj = fz_dict_gets(dict, "Dest");
if (obj)
{
- fz_link_dest ld;
dest = resolve_dest(xref, obj);
ld = pdf_parse_link_dest(xref, dest);
- return fz_new_link(ctx, FZ_LINK_GOTO, bbox, ld);
}
-
- action = fz_dict_gets(dict, "A");
-
- /* fall back to additional action button's down/up action */
- if (!action)
- action = fz_dict_getsa(fz_dict_gets(dict, "AA"), "U", "D");
-
- if (action)
+ else
{
- obj = fz_dict_gets(action, "S");
- if (!fz_is_name(obj))
- {
- }
- else if (!strcmp(fz_to_name(obj), "GoTo"))
- {
- fz_link_dest ld;
- dest = resolve_dest(xref, fz_dict_gets(action, "D"));
- ld = pdf_parse_link_dest(xref, dest);
- return fz_new_link(ctx, FZ_LINK_GOTO, bbox, ld);
- }
- else if (!strcmp(fz_to_name(obj), "URI"))
- {
- fz_link_dest ld;
- ld.uri.is_map = fz_to_int(fz_dict_gets(action, "IsMap"));
- ld.uri.uri = pdf_to_utf8(ctx, fz_dict_gets(action, "URI"));
- return fz_new_link(ctx, FZ_LINK_URI, bbox, ld);
- }
- else if (!strcmp(fz_to_name(obj), "Launch"))
- {
- fz_link_dest ld;
- ld.launch.file_spec = pdf_to_utf8(ctx, fz_dict_gets(action, "F"));
- ld.launch.new_window = fz_to_int(fz_dict_gets(action, "NewWindow"));
- return fz_new_link(ctx, FZ_LINK_LAUNCH, bbox, ld);
- }
- else if (!strcmp(fz_to_name(obj), "Named"))
- {
- fz_link_dest ld;
- ld.named.named = pdf_to_utf8(ctx, fz_dict_gets(action, "N"));
- return fz_new_link(ctx, FZ_LINK_NAMED, bbox, ld);
- }
- else if (!strcmp(fz_to_name(obj), "GoToR"))
- {
- fz_link_dest ld;
- dest = resolve_dest(xref, fz_dict_gets(action, "D"));
- ld = pdf_parse_link_dest(xref, dest);
- ld.gotor.file_spec = pdf_to_utf8(ctx, fz_dict_gets(action, "F"));
- ld.gotor.new_window = fz_to_int(fz_dict_gets(action, "NewWindow"));
- return fz_new_link(ctx, FZ_LINK_GOTOR, bbox, ld);
- }
- }
+ action = fz_dict_gets(dict, "A");
+ /* fall back to additional action button's down/up action */
+ if (!action)
+ action = fz_dict_getsa(fz_dict_gets(dict, "AA"), "U", "D");
- return NULL;
+ ld = pdf_parse_action(xref, action);
+ }
+ if (ld.kind == FZ_LINK_NONE)
+ return NULL;
+ return fz_new_link(ctx, bbox, ld);
}
void
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-29 15:31:03 +0000