#include "ev-document-transition.h"
#include "ev-document-forms.h"
#include "ev-document-layers.h"
+#include "ev-document-print.h"
#include "ev-document-annotations.h"
#include "ev-selection.h"
#include "ev-transition-effect.h"
#include "ev-attachment.h"
#include "ev-image.h"
+#include <libxml/tree.h>
+#include <libxml/parser.h>
+#include <libxml/xpath.h>
+#include <libxml/xpathInternals.h>
+
#if (defined (HAVE_POPPLER_PAGE_RENDER)) && (defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS))
#define HAVE_CAIRO_PRINT
#endif
static void pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface);
static void pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface);
static void pdf_document_document_layers_iface_init (EvDocumentLayersIface *iface);
+#ifdef HAVE_POPPLER_PAGE_RENDER
+static void pdf_document_document_print_iface_init (EvDocumentPrintIface *iface);
+#endif
static void pdf_document_document_annotations_iface_init (EvDocumentAnnotationsIface *iface);
static void pdf_document_find_iface_init (EvDocumentFindIface *iface);
static void pdf_document_file_exporter_iface_init (EvFileExporterIface *iface);
pdf_document_document_fonts_iface_init);
EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LAYERS,
pdf_document_document_layers_iface_init);
+#ifdef HAVE_POPPLER_PAGE_RENDER
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_PRINT,
+ pdf_document_document_print_iface_init);
+#endif
EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_ANNOTATIONS,
pdf_document_document_annotations_iface_init);
EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
document->password = g_strdup (password);
}
+
+/* reference:
+http://www.pdfa.org/lib/exe/fetch.php?id=pdfa%3Aen%3Atechdoc&cache=cache&media=pdfa:techdoc:tn0001_pdfa-1_and_namespaces_2008-03-18.pdf */
+static char *
+pdf_document_get_format_from_metadata (const char *metadata)
+{
+ xmlDocPtr doc;
+ xmlXPathContextPtr xpathCtx;
+ xmlXPathObjectPtr xpathObj;
+ xmlChar *part = NULL;
+ xmlChar *conf = NULL;
+ char *result = NULL;
+ int i;
+
+ doc = xmlParseMemory (metadata, strlen (metadata));
+ if (doc == NULL)
+ return NULL; /* invalid xml metadata */
+
+ xpathCtx = xmlXPathNewContext (doc);
+ if (xpathCtx == NULL) {
+ xmlFreeDoc (doc);
+ return NULL; /* invalid xpath context */
+ }
+
+ /* add pdf/a namespaces */
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "x", BAD_CAST "adobe:ns:meta/");
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "rdf", BAD_CAST "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "pdfaid", BAD_CAST "http://www.aiim.org/pdfa/ns/id/");
+
+ /* reads pdf/a part */
+ /* first syntax: child node */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/pdfaid:part", xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
+ part = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+
+ xmlXPathFreeObject (xpathObj);
+ }
+ if (part == NULL) {
+ /* second syntax: attribute */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/@pdfaid:part", xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
+ part = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+
+ xmlXPathFreeObject (xpathObj);
+ }
+ }
+
+ /* reads pdf/a conformance */
+ /* first syntax: child node */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/pdfaid:conformance", xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
+ conf = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+
+ xmlXPathFreeObject (xpathObj);
+ }
+ if (conf == NULL) {
+ /* second syntax: attribute */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/@pdfaid:conformance", xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
+ conf = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+
+ xmlXPathFreeObject (xpathObj);
+ }
+ }
+
+ if (part != NULL && conf != NULL) {
+ /* makes conf lowercase */
+ for (i = 0; conf[i]; i++)
+ conf[i] = g_ascii_tolower (conf[i]);
+
+ /* return buffer */
+ result = g_strdup_printf ("PDF/A - %s%s", part, conf);
+ }
+
+ /* Cleanup */
+ xmlFree (part);
+ xmlFree (conf);
+ xmlXPathFreeContext (xpathCtx);
+ xmlFreeDoc (doc);
+
+ return result;
+}
+
+
static EvDocumentInfo *
pdf_document_get_info (EvDocument *document)
{
PopplerViewerPreferences view_prefs;
PopplerPermissions permissions;
EvPage *page;
+ char *metadata;
+ char *fmt;
info = g_new0 (EvDocumentInfo, 1);
"creation-date", &(info->creation_date),
"mod-date", &(info->modified_date),
"linearized", &(info->linearized),
+ "metadata", &metadata,
NULL);
+ if (metadata != NULL) {
+ fmt = pdf_document_get_format_from_metadata(metadata);
+ if (fmt != NULL) {
+ g_free (info->format);
+ info->format = fmt;
+ }
+ g_free (metadata);
+ }
+
info->n_pages = ev_document_get_n_pages (document);
if (info->n_pages > 0) {
g_object_unref (poppler_page);
}
break;
- case POPPLER_DEST_FIT:
+ case POPPLER_DEST_FITB:
+ case POPPLER_DEST_FIT:
ev_dest = ev_link_dest_new_fit (dest->page_num - 1);
break;
+ case POPPLER_DEST_FITBH:
case POPPLER_DEST_FITH: {
PopplerPage *poppler_page;
double height;
g_object_unref (poppler_page);
}
break;
+ case POPPLER_DEST_FITBV:
case POPPLER_DEST_FITV:
ev_dest = ev_link_dest_new_fitv (dest->page_num - 1,
dest->left,
g_object_unref (poppler_page);
}
break;
- case POPPLER_DEST_FITB:
- unimplemented_dest = "POPPLER_DEST_FITB";
- break;
- case POPPLER_DEST_FITBH:
- unimplemented_dest = "POPPLER_DEST_FITBH";
- break;
- case POPPLER_DEST_FITBV:
- unimplemented_dest = "POPPLER_DEST_FITBV";
- break;
case POPPLER_DEST_NAMED:
ev_dest = ev_link_dest_new_named (dest->named_dest);
break;
poppler_page_get_size (POPPLER_PAGE (rc->page->backend_page),
&page_width, &page_height);
- *width = (gint) MAX (page_width * rc->scale, 1);
- *height = (gint) MAX (page_height * rc->scale, 1);
-
+ *width = MAX ((gint)(page_width * rc->scale + 0.5), 1);
+ *height = MAX ((gint)(page_height * rc->scale + 0.5), 1);
+
if (rc->rotation == 90 || rc->rotation == 270) {
gint temp;
iface->get_capabilities = pdf_document_file_exporter_get_capabilities;
}
+#ifdef HAVE_POPPLER_PAGE_RENDER
+/* EvDocumentPrint */
+static void
+pdf_document_print_print_page (EvDocumentPrint *document,
+ EvPage *page,
+ cairo_t *cr)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+
+ poppler_page_render_for_printing (POPPLER_PAGE (page->backend_page), cr);
+}
+
+static void
+pdf_document_document_print_iface_init (EvDocumentPrintIface *iface)
+{
+ iface->print_page = pdf_document_print_print_page;
+}
+#endif /* HAVE_POPPLER_PAGE_RENDER */
+
static void
pdf_selection_render_selection (EvSelection *selection,
EvRenderContext *rc,
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff