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path: root/source/pdf/pdf-xobject.c
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-rw-r--r--source/pdf/pdf-xobject.c140
1 files changed, 69 insertions, 71 deletions
diff --git a/source/pdf/pdf-xobject.c b/source/pdf/pdf-xobject.c
index c4259466..e169a27a 100644
--- a/source/pdf/pdf-xobject.c
+++ b/source/pdf/pdf-xobject.c
@@ -13,15 +13,15 @@ pdf_drop_xobject(fz_context *ctx, pdf_xobject *xobj)
}
static void
-pdf_free_xobject_imp(fz_context *ctx, fz_storable *xobj_)
+pdf_drop_xobject_imp(fz_context *ctx, fz_storable *xobj_)
{
pdf_xobject *xobj = (pdf_xobject *)xobj_;
if (xobj->colorspace)
fz_drop_colorspace(ctx, xobj->colorspace);
- pdf_drop_obj(xobj->resources);
- pdf_drop_obj(xobj->contents);
- pdf_drop_obj(xobj->me);
+ pdf_drop_obj(ctx, xobj->resources);
+ pdf_drop_obj(ctx, xobj->contents);
+ pdf_drop_obj(ctx, xobj->me);
fz_free(ctx, xobj);
}
@@ -34,19 +34,18 @@ pdf_xobject_size(pdf_xobject *xobj)
}
pdf_xobject *
-pdf_load_xobject(pdf_document *doc, pdf_obj *dict)
+pdf_load_xobject(fz_context *ctx, pdf_document *doc, pdf_obj *dict)
{
pdf_xobject *form;
pdf_obj *obj;
- fz_context *ctx = doc->ctx;
- if ((form = pdf_find_item(ctx, pdf_free_xobject_imp, dict)) != NULL)
+ if ((form = pdf_find_item(ctx, pdf_drop_xobject_imp, dict)) != NULL)
{
return form;
}
form = fz_malloc_struct(ctx, pdf_xobject);
- FZ_INIT_STORABLE(form, 1, pdf_free_xobject_imp);
+ FZ_INIT_STORABLE(form, 1, pdf_drop_xobject_imp);
form->resources = NULL;
form->contents = NULL;
form->colorspace = NULL;
@@ -58,10 +57,10 @@ pdf_load_xobject(pdf_document *doc, pdf_obj *dict)
fz_try(ctx)
{
- obj = pdf_dict_gets(dict, "BBox");
+ obj = pdf_dict_gets(ctx, dict, "BBox");
pdf_to_rect(ctx, obj, &form->bbox);
- obj = pdf_dict_gets(dict, "Matrix");
+ obj = pdf_dict_gets(ctx, dict, "Matrix");
if (obj)
pdf_to_matrix(ctx, obj, &form->matrix);
else
@@ -71,24 +70,24 @@ pdf_load_xobject(pdf_document *doc, pdf_obj *dict)
form->knockout = 0;
form->transparency = 0;
- obj = pdf_dict_gets(dict, "Group");
+ obj = pdf_dict_gets(ctx, dict, "Group");
if (obj)
{
pdf_obj *attrs = obj;
- form->isolated = pdf_to_bool(pdf_dict_gets(attrs, "I"));
- form->knockout = pdf_to_bool(pdf_dict_gets(attrs, "K"));
+ form->isolated = pdf_to_bool(ctx, pdf_dict_gets(ctx, attrs, "I"));
+ form->knockout = pdf_to_bool(ctx, pdf_dict_gets(ctx, attrs, "K"));
- obj = pdf_dict_gets(attrs, "S");
- if (pdf_is_name(obj) && !strcmp(pdf_to_name(obj), "Transparency"))
+ obj = pdf_dict_gets(ctx, attrs, "S");
+ if (pdf_is_name(ctx, obj) && !strcmp(pdf_to_name(ctx, obj), "Transparency"))
form->transparency = 1;
- obj = pdf_dict_gets(attrs, "CS");
+ obj = pdf_dict_gets(ctx, attrs, "CS");
if (obj)
{
fz_try(ctx)
{
- form->colorspace = pdf_load_colorspace(doc, obj);
+ form->colorspace = pdf_load_colorspace(ctx, doc, obj);
}
fz_catch(ctx)
{
@@ -97,25 +96,25 @@ pdf_load_xobject(pdf_document *doc, pdf_obj *dict)
}
}
- form->resources = pdf_dict_gets(dict, "Resources");
+ form->resources = pdf_dict_gets(ctx, dict, "Resources");
if (form->resources)
- pdf_keep_obj(form->resources);
+ pdf_keep_obj(ctx, form->resources);
- form->contents = pdf_keep_obj(dict);
+ form->contents = pdf_keep_obj(ctx, dict);
}
fz_catch(ctx)
{
- pdf_remove_item(ctx, pdf_free_xobject_imp, dict);
+ pdf_remove_item(ctx, pdf_drop_xobject_imp, dict);
pdf_drop_xobject(ctx, form);
- fz_rethrow_message(ctx, "cannot load xobject content stream (%d %d R)", pdf_to_num(dict), pdf_to_gen(dict));
+ fz_rethrow_message(ctx, "cannot load xobject content stream (%d %d R)", pdf_to_num(ctx, dict), pdf_to_gen(ctx, dict));
}
- form->me = pdf_keep_obj(dict);
+ form->me = pdf_keep_obj(ctx, dict);
return form;
}
pdf_obj *
-pdf_new_xobject(pdf_document *doc, const fz_rect *bbox, const fz_matrix *mat)
+pdf_new_xobject(fz_context *ctx, pdf_document *doc, const fz_rect *bbox, const fz_matrix *mat)
{
int idict_num;
pdf_obj *idict = NULL;
@@ -124,7 +123,6 @@ pdf_new_xobject(pdf_document *doc, const fz_rect *bbox, const fz_matrix *mat)
pdf_obj *obj = NULL;
pdf_obj *res = NULL;
pdf_obj *procset = NULL;
- fz_context *ctx = doc->ctx;
fz_var(idict);
fz_var(dict);
@@ -134,55 +132,55 @@ pdf_new_xobject(pdf_document *doc, const fz_rect *bbox, const fz_matrix *mat)
fz_var(procset);
fz_try(ctx)
{
- dict = pdf_new_dict(doc, 0);
+ dict = pdf_new_dict(ctx, doc, 0);
- obj = pdf_new_rect(doc, bbox);
- pdf_dict_puts(dict, "BBox", obj);
- pdf_drop_obj(obj);
+ obj = pdf_new_rect(ctx, doc, bbox);
+ pdf_dict_puts(ctx, dict, "BBox", obj);
+ pdf_drop_obj(ctx, obj);
obj = NULL;
- obj = pdf_new_int(doc, 1);
- pdf_dict_puts(dict, "FormType", obj);
- pdf_drop_obj(obj);
+ obj = pdf_new_int(ctx, doc, 1);
+ pdf_dict_puts(ctx, dict, "FormType", obj);
+ pdf_drop_obj(ctx, obj);
obj = NULL;
- obj = pdf_new_int(doc, 0);
- pdf_dict_puts(dict, "Length", obj);
- pdf_drop_obj(obj);
+ obj = pdf_new_int(ctx, doc, 0);
+ pdf_dict_puts(ctx, dict, "Length", obj);
+ pdf_drop_obj(ctx, obj);
obj = NULL;
- obj = pdf_new_matrix(doc, mat);
- pdf_dict_puts(dict, "Matrix", obj);
- pdf_drop_obj(obj);
+ obj = pdf_new_matrix(ctx, doc, mat);
+ pdf_dict_puts(ctx, dict, "Matrix", obj);
+ pdf_drop_obj(ctx, obj);
obj = NULL;
- res = pdf_new_dict(doc, 0);
- procset = pdf_new_array(doc, 2);
- obj = pdf_new_name(doc, "PDF");
- pdf_array_push(procset, obj);
- pdf_drop_obj(obj);
+ res = pdf_new_dict(ctx, doc, 0);
+ procset = pdf_new_array(ctx, doc, 2);
+ obj = pdf_new_name(ctx, doc, "PDF");
+ pdf_array_push(ctx, procset, obj);
+ pdf_drop_obj(ctx, obj);
obj = NULL;
- obj = pdf_new_name(doc, "Text");
- pdf_array_push(procset, obj);
- pdf_drop_obj(obj);
+ obj = pdf_new_name(ctx, doc, "Text");
+ pdf_array_push(ctx, procset, obj);
+ pdf_drop_obj(ctx, obj);
obj = NULL;
- pdf_dict_puts(res, "ProcSet", procset);
- pdf_drop_obj(procset);
+ pdf_dict_puts(ctx, res, "ProcSet", procset);
+ pdf_drop_obj(ctx, procset);
procset = NULL;
- pdf_dict_puts(dict, "Resources", res);
+ pdf_dict_puts(ctx, dict, "Resources", res);
- obj = pdf_new_name(doc, "Form");
- pdf_dict_puts(dict, "Subtype", obj);
- pdf_drop_obj(obj);
+ obj = pdf_new_name(ctx, doc, "Form");
+ pdf_dict_puts(ctx, dict, "Subtype", obj);
+ pdf_drop_obj(ctx, obj);
obj = NULL;
- obj = pdf_new_name(doc, "XObject");
- pdf_dict_puts(dict, "Type", obj);
- pdf_drop_obj(obj);
+ obj = pdf_new_name(ctx, doc, "XObject");
+ pdf_dict_puts(ctx, dict, "Type", obj);
+ pdf_drop_obj(ctx, obj);
obj = NULL;
form = fz_malloc_struct(ctx, pdf_xobject);
- FZ_INIT_STORABLE(form, 1, pdf_free_xobject_imp);
+ FZ_INIT_STORABLE(form, 1, pdf_drop_xobject_imp);
form->resources = NULL;
form->contents = NULL;
form->colorspace = NULL;
@@ -200,27 +198,27 @@ pdf_new_xobject(pdf_document *doc, const fz_rect *bbox, const fz_matrix *mat)
form->resources = res;
res = NULL;
- idict_num = pdf_create_object(doc);
- pdf_update_object(doc, idict_num, dict);
- idict = pdf_new_indirect(doc, idict_num, 0);
- pdf_drop_obj(dict);
+ idict_num = pdf_create_object(ctx, doc);
+ pdf_update_object(ctx, doc, idict_num, dict);
+ idict = pdf_new_indirect(ctx, doc, idict_num, 0);
+ pdf_drop_obj(ctx, dict);
dict = NULL;
pdf_store_item(ctx, idict, form, pdf_xobject_size(form));
- form->contents = pdf_keep_obj(idict);
- form->me = pdf_keep_obj(idict);
+ form->contents = pdf_keep_obj(ctx, idict);
+ form->me = pdf_keep_obj(ctx, idict);
pdf_drop_xobject(ctx, form);
form = NULL;
}
fz_catch(ctx)
{
- pdf_drop_obj(procset);
- pdf_drop_obj(res);
- pdf_drop_obj(obj);
- pdf_drop_obj(dict);
- pdf_drop_obj(idict);
+ pdf_drop_obj(ctx, procset);
+ pdf_drop_obj(ctx, res);
+ pdf_drop_obj(ctx, obj);
+ pdf_drop_obj(ctx, dict);
+ pdf_drop_obj(ctx, idict);
pdf_drop_xobject(ctx, form);
fz_rethrow_message(ctx, "failed to create xobject)");
}
@@ -228,10 +226,10 @@ pdf_new_xobject(pdf_document *doc, const fz_rect *bbox, const fz_matrix *mat)
return idict;
}
-void pdf_update_xobject_contents(pdf_document *doc, pdf_xobject *form, fz_buffer *buffer)
+void pdf_update_xobject_contents(fz_context *ctx, pdf_document *doc, pdf_xobject *form, fz_buffer *buffer)
{
- pdf_dict_dels(form->contents, "Filter");
- pdf_dict_puts_drop(form->contents, "Length", pdf_new_int(doc, buffer->len));
- pdf_update_stream(doc, pdf_to_num(form->contents), buffer);
+ pdf_dict_dels(ctx, form->contents, "Filter");
+ pdf_dict_puts_drop(ctx, form->contents, "Length", pdf_new_int(ctx, doc, buffer->len));
+ pdf_update_stream(ctx, doc, pdf_to_num(ctx, form->contents), buffer);
form->iteration ++;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-22 13:32:13 +0000