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authorPaul Gardiner <paulg.artifex@glidos.net>2012-10-25 16:44:24 +0100
committerPaul Gardiner <paulg.artifex@glidos.net>2012-10-25 16:44:24 +0100
commitd8266814d24f5bdf95b81e66e9b06a5d188b5edd (patch)
tree03282b583686917c348492d8584b0a134c01e753 /pdf
parentc2a526b73e6654b99c66747a379a9218ab8683f4 (diff)
downloadmupdf-d8266814d24f5bdf95b81e66e9b06a5d188b5edd.tar.xz
Support separate rendering of the main page contents and the annotations
Diffstat (limited to 'pdf')
-rw-r--r--pdf/mupdf.h27
-rw-r--r--pdf/pdf_interpret.c96
-rw-r--r--pdf/pdf_xref.c3
-rw-r--r--pdf/pdf_xref_aux.c15
4 files changed, 103 insertions, 38 deletions
diff --git a/pdf/mupdf.h b/pdf/mupdf.h
index 1149d99a..5daba8da 100644
--- a/pdf/mupdf.h
+++ b/pdf/mupdf.h
@@ -274,6 +274,33 @@ void pdf_run_page(pdf_document *doc, pdf_page *page, fz_device *dev, fz_matrix c
void pdf_run_page_with_usage(pdf_document *doc, pdf_page *page, fz_device *dev, fz_matrix ctm, char *event, fz_cookie *cookie);
/*
+ pdf_run_page_contents: Interpret a loaded page and render it on a device.
+ Just the main page contents without the annotations
+
+ page: A page loaded by pdf_load_page.
+
+ dev: Device used for rendering, obtained from fz_new_*_device.
+
+ ctm: A transformation matrix applied to the objects on the page,
+ e.g. to scale or rotate the page contents as desired.
+*/
+void pdf_run_page_contents(pdf_document *xref, pdf_page *page, fz_device *dev, fz_matrix ctm, fz_cookie *cookie);
+
+/*
+ pdf_run_annot: Interpret an annotation and render it on a device.
+
+ page: A page loaded by pdf_load_page.
+
+ annot: an annotation.
+
+ dev: Device used for rendering, obtained from fz_new_*_device.
+
+ ctm: A transformation matrix applied to the objects on the page,
+ e.g. to scale or rotate the page contents as desired.
+*/
+void pdf_run_annot(pdf_document *xref, pdf_page *page, pdf_annot *annot, fz_device *dev, fz_matrix ctm, fz_cookie *cookie);
+
+/*
Metadata interface.
*/
int pdf_meta(pdf_document *doc, int key, void *ptr, int size);
diff --git a/pdf/pdf_interpret.c b/pdf/pdf_interpret.c
index 7f99f5c0..9304d5b6 100644
--- a/pdf/pdf_interpret.c
+++ b/pdf/pdf_interpret.c
@@ -2788,13 +2788,10 @@ pdf_run_contents_buffer(pdf_csi *csi, pdf_obj *rdb, fz_buffer *contents)
}
}
-void
-pdf_run_page_with_usage(pdf_document *xref, pdf_page *page, fz_device *dev, fz_matrix ctm, char *event, fz_cookie *cookie)
+static void pdf_run_page_contents_with_usage(pdf_document *xref, pdf_page *page, fz_device *dev, fz_matrix ctm, char *event, fz_cookie *cookie)
{
fz_context *ctx = dev->ctx;
pdf_csi *csi;
- pdf_annot *annot;
- int flags;
ctm = fz_concat(page->ctm, ctm);
@@ -2815,6 +2812,61 @@ pdf_run_page_with_usage(pdf_document *xref, pdf_page *page, fz_device *dev, fz_m
fz_throw(ctx, "cannot parse page content stream");
}
+ if (page->transparency)
+ fz_end_group(dev);
+}
+
+void pdf_run_page_contents(pdf_document *xref, pdf_page *page, fz_device *dev, fz_matrix ctm, fz_cookie *cookie)
+{
+ pdf_run_page_contents_with_usage(xref, page, dev, ctm, "View", cookie);
+}
+
+static void pdf_run_annot_with_usage(pdf_document *xref, pdf_page *page, pdf_annot *annot, fz_device *dev, fz_matrix ctm, char *event, fz_cookie *cookie)
+{
+ fz_context *ctx = dev->ctx;
+ pdf_csi *csi;
+ int flags;
+
+ ctm = fz_concat(page->ctm, ctm);
+
+ flags = pdf_to_int(pdf_dict_gets(annot->obj, "F"));
+
+ /* TODO: NoZoom and NoRotate */
+ if (flags & (1 << 0)) /* Invisible */
+ return;
+ if (flags & (1 << 1)) /* Hidden */
+ return;
+ if (!strcmp(event, "Print") && !(flags & (1 << 2))) /* Print */
+ return;
+ if (!strcmp(event, "View") && (flags & (1 << 5))) /* NoView */
+ return;
+
+ csi = pdf_new_csi(xref, dev, ctm, event, cookie, NULL);
+ if (!pdf_is_hidden_ocg(pdf_dict_gets(annot->obj, "OC"), csi, page->resources))
+ {
+ fz_try(ctx)
+ {
+ pdf_update_annot(xref, annot);
+ pdf_run_xobject(csi, page->resources, annot->ap, annot->matrix);
+ }
+ fz_catch(ctx)
+ {
+ pdf_free_csi(csi);
+ fz_throw(ctx, "cannot parse annotation appearance stream");
+ }
+ }
+ pdf_free_csi(csi);
+}
+
+void pdf_run_annot(pdf_document *xref, pdf_page *page, pdf_annot *annot, fz_device *dev, fz_matrix ctm, fz_cookie *cookie)
+{
+ pdf_run_annot_with_usage(xref, page, annot, dev, ctm, "View", cookie);
+}
+
+static void pdf_run_page_annots_with_usage(pdf_document *xref, pdf_page *page, fz_device *dev, fz_matrix ctm, char *event, fz_cookie *cookie)
+{
+ pdf_annot *annot;
+
if (cookie && cookie->progress_max != -1)
{
int count = 1;
@@ -2833,37 +2885,15 @@ pdf_run_page_with_usage(pdf_document *xref, pdf_page *page, fz_device *dev, fz_m
cookie->progress++;
}
- flags = pdf_to_int(pdf_dict_gets(annot->obj, "F"));
-
- /* TODO: NoZoom and NoRotate */
- if (flags & (1 << 0)) /* Invisible */
- continue;
- if (flags & (1 << 1)) /* Hidden */
- continue;
- if (!strcmp(event, "Print") && !(flags & (1 << 2))) /* Print */
- continue;
- if (!strcmp(event, "View") && (flags & (1 << 5))) /* NoView */
- continue;
-
- csi = pdf_new_csi(xref, dev, ctm, event, cookie, NULL);
- if (!pdf_is_hidden_ocg(pdf_dict_gets(annot->obj, "OC"), csi, page->resources))
- {
- fz_try(ctx)
- {
- pdf_update_annot(xref, annot);
- pdf_run_xobject(csi, page->resources, annot->ap, annot->matrix);
- }
- fz_catch(ctx)
- {
- pdf_free_csi(csi);
- fz_throw(ctx, "cannot parse annotation appearance stream");
- }
- }
- pdf_free_csi(csi);
+ pdf_run_annot_with_usage(xref, page, annot, dev, ctm, event, cookie);
}
+}
- if (page->transparency)
- fz_end_group(dev);
+void
+pdf_run_page_with_usage(pdf_document *xref, pdf_page *page, fz_device *dev, fz_matrix ctm, char *event, fz_cookie *cookie)
+{
+ pdf_run_page_contents_with_usage(xref, page, dev, ctm, event, cookie);
+ pdf_run_page_annots_with_usage(xref, page, dev, ctm, event, cookie);
}
void
diff --git a/pdf/pdf_xref.c b/pdf/pdf_xref.c
index c78a9ec7..5182a263 100644
--- a/pdf/pdf_xref.c
+++ b/pdf/pdf_xref.c
@@ -1294,7 +1294,8 @@ pdf_new_document(fz_context *ctx, fz_stream *file)
doc->super.first_annot = (void*)pdf_first_annot;
doc->super.next_annot = (void*)pdf_next_annot;
doc->super.bound_annot = (void*)pdf_bound_annot;
- doc->super.run_page = NULL; /* see pdf_xref_aux.c */
+ doc->super.run_page_contents = NULL; /* see pdf_xref_aux.c */
+ doc->super.run_annot = NULL; /* see pdf_xref_aux.c */
doc->super.free_page = (void*)pdf_free_page;
doc->super.meta = (void*)pdf_meta;
doc->super.page_presentation = (void*)pdf_page_presentation;
diff --git a/pdf/pdf_xref_aux.c b/pdf/pdf_xref_aux.c
index bf2fe19b..22f21b1f 100644
--- a/pdf/pdf_xref_aux.c
+++ b/pdf/pdf_xref_aux.c
@@ -9,16 +9,22 @@
resulting executables.
*/
-static void pdf_run_page_shim(fz_document *doc, fz_page *page, fz_device *dev, fz_matrix transform, fz_cookie *cookie)
+static void pdf_run_page_contents_shim(fz_document *doc, fz_page *page, fz_device *dev, fz_matrix transform, fz_cookie *cookie)
{
- pdf_run_page((pdf_document*)doc, (pdf_page*)page, dev, transform, cookie);
+ pdf_run_page_contents((pdf_document*)doc, (pdf_page*)page, dev, transform, cookie);
+}
+
+static void pdf_run_annot_shim(fz_document *doc, fz_page *page, fz_annot *annot, fz_device *dev, fz_matrix transform, fz_cookie *cookie)
+{
+ pdf_run_annot((pdf_document*)doc, (pdf_page*)page, (pdf_annot *)annot, dev, transform, cookie);
}
pdf_document *
pdf_open_document_with_stream(fz_context *ctx, fz_stream *file)
{
pdf_document *doc = pdf_open_document_no_run_with_stream(ctx, file);
- doc->super.run_page = pdf_run_page_shim;
+ doc->super.run_page_contents = pdf_run_page_contents_shim;
+ doc->super.run_annot = pdf_run_annot_shim;
return doc;
}
@@ -26,6 +32,7 @@ pdf_document *
pdf_open_document(fz_context *ctx, const char *filename)
{
pdf_document *doc = pdf_open_document_no_run(ctx, filename);
- doc->super.run_page = pdf_run_page_shim;
+ doc->super.run_page_contents = pdf_run_page_contents_shim;
+ doc->super.run_annot = pdf_run_annot_shim;
return doc;
}