From 75f3d31daa050ca822d2ab501cdeca748ddf9d54 Mon Sep 17 00:00:00 2001

From: Marek Kasik <mkasik@redhat.com>

Date: Wed, 2 Jan 2019 14:55:41 +0100

Subject: glib: Make PrintScaling preference available in API

Add poppler_document_get_print_scaling() function and

PopplerPrintScaling enum so that applications which

use poppler's glib frontend can access this preference.

https://bugs.freedesktop.org/show_bug.cgi?id=92779

diff --git a/glib/poppler-document.cc b/glib/poppler-document.cc

index d97d1448..ed37da4c 100644

--- a/glib/poppler-document.cc

+++ b/glib/poppler-document.cc

@@ -36,6 +37,7 @@

 #include <FontInfo.h>

 #include <PDFDocEncoding.h>

 #include <OptionalContent.h>

+#include <ViewerPreferences.h>

 #endif

 #include "poppler.h"

@@ -78,7 +80,8 @@ enum {

 	PROP_PAGE_MODE,

 	PROP_VIEWER_PREFERENCES,

 	PROP_PERMISSIONS,

-	PROP_METADATA

+	PROP_METADATA,

+	PROP_PRINT_SCALING

 };

 static void poppler_document_layers_free (PopplerDocument *document);

@@ -1516,6 +1519,44 @@ poppler_document_get_page_mode (PopplerDocument *document)

   return POPPLER_PAGE_MODE_UNSET;

 }

+/**

+ * poppler_document_get_print_scaling:

+ * @document: A #PopplerDocument

+ *

+ * Returns the print scaling value suggested by author of the document.

+ *

+ * Return value: a #PopplerPrintScaling that should be used when document is printed

+ *

+ * Since: 0.26.5

+ **/

+PopplerPrintScaling

+poppler_document_get_print_scaling (PopplerDocument *document)

+{

+  Catalog *catalog;

+  ViewerPreferences *preferences;

+  PopplerPrintScaling print_scaling = POPPLER_PRINT_SCALING_APP_DEFAULT;

+

+  g_return_val_if_fail (POPPLER_IS_DOCUMENT (document), POPPLER_PRINT_SCALING_APP_DEFAULT);

+

+  catalog = document->doc->getCatalog ();

+  if (catalog && catalog->isOk ()) {

+    preferences = catalog->getViewerPreferences();

+    if (preferences) {

+      switch (preferences->getPrintScaling()) {

+        default:

+        case ViewerPreferences::printScalingAppDefault:

+          print_scaling = POPPLER_PRINT_SCALING_APP_DEFAULT;

+          break;

+        case ViewerPreferences::printScalingNone:

+          print_scaling = POPPLER_PRINT_SCALING_NONE;

+          break;

+      }

+    }

+  }

+

+  return print_scaling;

+}

+

 /**

  * poppler_document_get_permissions:

  * @document: A #PopplerDocument

@@ -1746,6 +1787,9 @@ poppler_document_get_property (GObject    *object,

       /* FIXME: write... */

       g_value_set_flags (value, POPPLER_VIEWER_PREFERENCES_UNSET);

       break;

+    case PROP_PRINT_SCALING:

+      g_value_set_enum (value, poppler_document_get_print_scaling (document));

+      break;

     case PROP_PERMISSIONS:

       g_value_set_flags (value, poppler_document_get_permissions (document));

       break;

@@ -2013,6 +2057,20 @@ poppler_document_class_init (PopplerDocumentClass *klass)

 						       POPPLER_VIEWER_PREFERENCES_UNSET,

 						       G_PARAM_READABLE));

+  /**

+   * PopplerDocument:print-scaling:

+   *

+   * Since: 0.26.5

+   */

+  g_object_class_install_property (G_OBJECT_CLASS (klass),

+				   PROP_PRINT_SCALING,

+				   g_param_spec_enum ("print-scaling",

+						      "Print Scaling",

+						      "Print Scaling Viewer Preference",

+						      POPPLER_TYPE_PRINT_SCALING,

+						      POPPLER_PRINT_SCALING_APP_DEFAULT,

+						      (GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));

+

   /**

    * PopplerDocument:permissions:

    *

diff --git a/glib/poppler-document.h b/glib/poppler-document.h

index ebf3a9e1..e9eeebfd 100644

--- a/glib/poppler-document.h

+++ b/glib/poppler-document.h

@@ -135,6 +136,21 @@ typedef enum /*< flags >*/

   POPPLER_VIEWER_PREFERENCES_DIRECTION_RTL = 1 << 6

 } PopplerViewerPreferences;

+/**

+ * PopplerPrintScaling:

+ * @POPPLER_PRINT_SCALING_APP_DEFAULT: application's default page scaling

+ * @POPPLER_PRINT_SCALING_NONE: no page scaling

+ *

+ * PrintScaling viewer preference

+ *

+ * Since: 0.26.5

+ */

+typedef enum

+{

+  POPPLER_PRINT_SCALING_APP_DEFAULT,

+  POPPLER_PRINT_SCALING_NONE

+} PopplerPrintScaling;

+

 /**

  * PopplerPermissions:

  * @POPPLER_PERMISSIONS_OK_TO_PRINT: document can be printer

@@ -356,6 +372,7 @@ POPPLER_PUBLIC

 PopplerPageMode    poppler_document_get_page_mode          (PopplerDocument *document);

 PopplerPermissions poppler_document_get_permissions        (PopplerDocument *document);

 gchar             *poppler_document_get_metadata           (PopplerDocument *document);

+PopplerPrintScaling poppler_document_get_print_scaling     (PopplerDocument *document);

 /* Attachments */

 guint              poppler_document_get_n_attachments      (PopplerDocument  *document);

diff --git a/glib/reference/poppler-sections.txt b/glib/reference/poppler-sections.txt

index 39985553..c71c2776 100644

--- a/glib/reference/poppler-sections.txt

+++ b/glib/reference/poppler-sections.txt

@@ -174,6 +174,7 @@ poppler_document_get_pdf_subtype_string

 poppler_document_get_page_layout

 poppler_document_get_page_mode

 poppler_document_get_permissions

+poppler_document_get_print_scaling

 poppler_document_get_metadata

 poppler_document_is_linearized

 poppler_document_get_n_pages

@@ -246,6 +247,7 @@ POPPLER_TYPE_PDF_CONFORMANCE

 POPPLER_TYPE_PAGE_LAYOUT

 POPPLER_TYPE_PAGE_MODE

 POPPLER_TYPE_PERMISSIONS

+POPPLER_TYPE_PRINT_SCALING

 POPPLER_TYPE_VIEWER_PREFERENCES

 <SUBSECTION Private>

@@ -260,6 +262,7 @@ poppler_pdf_conformance_get_type

 poppler_page_layout_get_type

 poppler_page_mode_get_type

 poppler_permissions_get_type

+poppler_print_scaling_get_type

 poppler_viewer_preferences_get_type

 </SECTION>

diff --git a/glib/reference/poppler.types b/glib/reference/poppler.types

index 354fdd3a..2f7a3991 100644

--- a/glib/reference/poppler.types

+++ b/glib/reference/poppler.types

@@ -60,5 +60,6 @@ poppler_pdf_subtype_get_type

 poppler_layer_get_type

 poppler_media_get_type

 poppler_movie_get_type

+poppler_print_scaling_get_type

 poppler_structure_element_get_type

 poppler_structure_element_iter_get_type