path: root/office/zathura-pdf-mupdf/patches/0003-Update-for-1.7-API-changes.patch

From f96dd48825c049bbccb2e25a814c49d03fedf86c Mon Sep 17 00:00:00 2001
From: Moritz Lipp <mlq@pwmt.org>
Date: Sun, 19 Apr 2015 10:39:02 +0200
Subject: [PATCH 3/6] Update for 1.7 API changes

Thanks to Leonardo Taccari
---
 README     |  2 +-
 document.c | 16 +++++++-------
 image.c    | 70 +++++++++++++++++++++++++++++++++++++++++---------------------
 index.c    |  4 ++--
 links.c    |  2 +-
 page.c     | 10 ++++-----
 render.c   |  8 +++----
 utils.c    |  4 ++--
 8 files changed, 70 insertions(+), 46 deletions(-)

diff --git a/README b/README
index 9773daf..34db54a 100644
--- a/README
+++ b/README
@@ -7,7 +7,7 @@ Requirements
 ------------
 zathura (>= 0.2.0)
 girara
-mupdf (>= 1.3)
+mupdf (>= 1.7)
 openjpeg (>= 2.0)
 
 Installation
diff --git a/document.c b/document.c
index ec26e9d..38e70b5 100644
--- a/document.c
+++ b/document.c
@@ -51,14 +51,14 @@ pdf_document_open(zathura_document_t* document)
   }
 
   /* authenticate if password is required and given */
-  if (fz_needs_password(mupdf_document->document) != 0) {
-    if (password == NULL || fz_authenticate_password(mupdf_document->document, (char*) password) == 0) {
+  if (fz_needs_password(mupdf_document->ctx, mupdf_document->document) != 0) {
+    if (password == NULL || fz_authenticate_password(mupdf_document->ctx, mupdf_document->document, (char*) password) == 0) {
       error = ZATHURA_ERROR_INVALID_PASSWORD;
       goto error_free;
     }
   }
 
-  zathura_document_set_number_of_pages(document, fz_count_pages(mupdf_document->document));
+  zathura_document_set_number_of_pages(document, fz_count_pages(mupdf_document->ctx, mupdf_document->document));
   zathura_document_set_data(document, mupdf_document);
 
   return error;
@@ -67,10 +67,10 @@ error_free:
 
   if (mupdf_document != NULL) {
     if (mupdf_document->document != NULL) {
-      fz_close_document(mupdf_document->document);
+      fz_drop_document(mupdf_document->ctx, mupdf_document->document);
     }
     if (mupdf_document->ctx != NULL) {
-      fz_free_context(mupdf_document->ctx);
+      fz_drop_context(mupdf_document->ctx);
     }
 
     free(mupdf_document);
@@ -90,8 +90,8 @@ pdf_document_free(zathura_document_t* document, mupdf_document_t* mupdf_document
     return ZATHURA_ERROR_INVALID_ARGUMENTS;
   }
 
-  fz_close_document(mupdf_document->document);
-  fz_free_context(mupdf_document->ctx);
+  fz_drop_document(mupdf_document->ctx, mupdf_document->document);
+  fz_drop_context(mupdf_document->ctx);
   free(mupdf_document);
   zathura_document_set_data(document, NULL);
 
@@ -112,7 +112,7 @@ pdf_document_save_as(zathura_document_t* document, mupdf_document_t*
      * options. */
 
     fz_write_options opts = { 0 }; /* just use the default options */
-    fz_write_document(mupdf_document->document, (char*) path, &opts);
+    fz_write_document(mupdf_document->ctx, mupdf_document->document, (char*) path, &opts);
   } fz_catch (mupdf_document->ctx) {
     return ZATHURA_ERROR_UNKNOWN;
   }
diff --git a/image.c b/image.c
index 90d6899..ef2f67b 100644
--- a/image.c
+++ b/image.c
@@ -9,8 +9,8 @@
 #include "plugin.h"
 
 static void pdf_zathura_image_free(zathura_image_t* image);
-static void get_images(pdf_obj* dict, girara_list_t* list);
-static void get_resources(pdf_obj* resource, girara_list_t* list);
+static void get_images(zathura_page_t* page, pdf_obj* dict, girara_list_t* list);
+static void get_resources(zathura_page_t* page, pdf_obj* resource, girara_list_t* list);
 
 girara_list_t*
 pdf_page_images_get(zathura_page_t* page, mupdf_page_t* mupdf_page, zathura_error_t* error)
@@ -30,12 +30,12 @@ pdf_page_images_get(zathura_page_t* page, mupdf_page_t* mupdf_page, zathura_erro
 
   mupdf_document_t* mupdf_document = zathura_document_get_data(document);
 
-  pdf_obj* page_object = pdf_load_object((pdf_document*) mupdf_document->document, zathura_page_get_index(page), 0);
+  pdf_obj* page_object = pdf_load_object(mupdf_document->ctx, (pdf_document*) mupdf_document->document, zathura_page_get_index(page), 0);
   if (page_object == NULL) {
     goto error_free;
   }
 
-  pdf_obj* resource = pdf_dict_gets(page_object, "Resources");
+  pdf_obj* resource = pdf_dict_gets(mupdf_document->ctx, page_object, "Resources");
   if (resource == NULL) {
     goto error_free;
   }
@@ -50,7 +50,7 @@ pdf_page_images_get(zathura_page_t* page, mupdf_page_t* mupdf_page, zathura_erro
 
   girara_list_set_free_function(list, (girara_free_function_t) pdf_zathura_image_free);
 
-  get_resources(resource, list);
+  get_resources(page, resource, list);
 
   return list;
 
@@ -81,20 +81,32 @@ pdf_zathura_image_free(zathura_image_t* image)
 }
 
 static void
-get_images(pdf_obj* dict, girara_list_t* list)
+get_images(zathura_page_t* page, pdf_obj* dict, girara_list_t* list)
 {
   if (dict == NULL || list == NULL) {
     return;
   }
 
-  for (int i = 0; i < pdf_dict_len(dict); i++) {
-    pdf_obj* image_dict = pdf_dict_get_val(dict, i);
-    if (pdf_is_dict(image_dict) == 0) {
+  if (page == NULL) {
+    return;
+  }
+
+  zathura_document_t* document = zathura_page_get_document(page);
+
+  if (document == NULL) {
+    return;
+  }
+
+  mupdf_document_t* mupdf_document = zathura_document_get_data(document);
+
+  for (int i = 0; i < pdf_dict_len(mupdf_document->ctx, dict); i++) {
+    pdf_obj* image_dict = pdf_dict_get_val(mupdf_document->ctx, dict, i);
+    if (pdf_is_dict(mupdf_document->ctx, image_dict) == 0) {
       continue;
     }
 
-    pdf_obj* type = pdf_dict_gets(image_dict, "Subtype");
-    if (strcmp(pdf_to_name(type), "Image") != 0) {
+    pdf_obj* type = pdf_dict_gets(mupdf_document->ctx, image_dict, "Subtype");
+    if (strcmp(pdf_to_name(mupdf_document->ctx, type), "Image") != 0) {
       continue;
     }
 
@@ -110,8 +122,8 @@ get_images(pdf_obj* dict, girara_list_t* list)
       continue;
     }
 
-    pdf_obj* width  = pdf_dict_gets(image_dict, "Width");
-    pdf_obj* height = pdf_dict_gets(image_dict, "Height");
+    pdf_obj* width  = pdf_dict_gets(mupdf_document->ctx, image_dict, "Width");
+    pdf_obj* height = pdf_dict_gets(mupdf_document->ctx, image_dict, "Height");
 
     zathura_image_t* zathura_image = g_malloc(sizeof(zathura_image_t));
 
@@ -120,33 +132,45 @@ get_images(pdf_obj* dict, girara_list_t* list)
     // FIXME: Get correct image coordinates
     zathura_image->data        = image_dict;
     zathura_image->position.x1 = 0;
-    zathura_image->position.x2 = pdf_to_int(width);
+    zathura_image->position.x2 = pdf_to_int(mupdf_document->ctx, width);
     zathura_image->position.y1 = 0;
-    zathura_image->position.y2 = pdf_to_int(height);
+    zathura_image->position.y2 = pdf_to_int(mupdf_document->ctx, height);
 
     girara_list_append(list, zathura_image);
   }
 }
 
 static void
-get_resources(pdf_obj* resource, girara_list_t* list)
+get_resources(zathura_page_t* page, pdf_obj* resource, girara_list_t* list)
 {
   if (resource == NULL || list == NULL) {
     return;
   }
 
-  pdf_obj* x_object = pdf_dict_gets(resource, "XObject");
+  if (page == NULL) {
+    return;
+  }
+
+  zathura_document_t* document = zathura_page_get_document(page);
+
+  if (document == NULL) {
+    return;
+  }
+
+  mupdf_document_t* mupdf_document = zathura_document_get_data(document);
+
+  pdf_obj* x_object = pdf_dict_gets(mupdf_document->ctx, resource, "XObject");
   if (x_object == NULL) {
     return;
   }
 
-  get_images(x_object, list);
+  get_images(page, x_object, list);
 
-  for (int i = 0; i < pdf_dict_len(x_object); i++) {
-    pdf_obj* obj = pdf_dict_get_val(x_object, i);
-    pdf_obj* subsrc = pdf_dict_gets(obj, "Resources");
-    if (subsrc != NULL && pdf_objcmp(resource, subsrc)) {
-      get_resources(subsrc, list);
+  for (int i = 0; i < pdf_dict_len(mupdf_document->ctx, x_object); i++) {
+    pdf_obj* obj = pdf_dict_get_val(mupdf_document->ctx, x_object, i);
+    pdf_obj* subsrc = pdf_dict_gets(mupdf_document->ctx, obj, "Resources");
+    if (subsrc != NULL && pdf_objcmp(mupdf_document->ctx, resource, subsrc)) {
+      get_resources(page, subsrc, list);
     }
   }
 }
diff --git a/index.c b/index.c
index 80c1068..8b8f8a5 100644
--- a/index.c
+++ b/index.c
@@ -19,7 +19,7 @@ pdf_document_index_generate(zathura_document_t* document, mupdf_document_t* mupd
   }
 
   /* get outline */
-  fz_outline* outline = fz_load_outline(mupdf_document->document);
+  fz_outline* outline = fz_load_outline(mupdf_document->ctx, mupdf_document->document);
   if (outline == NULL) {
     if (error != NULL) {
       *error = ZATHURA_ERROR_UNKNOWN;
@@ -32,7 +32,7 @@ pdf_document_index_generate(zathura_document_t* document, mupdf_document_t* mupd
   build_index(outline, root);
 
   /* free outline */
-  fz_free_outline(mupdf_document->ctx, outline);
+  fz_drop_outline(mupdf_document->ctx, outline);
 
   return root;
 }
diff --git a/links.c b/links.c
index 21be39d..a947802 100644
--- a/links.c
+++ b/links.c
@@ -31,7 +31,7 @@ pdf_page_links_get(zathura_page_t* page, mupdf_page_t* mupdf_page, zathura_error
     goto error_free;
   }
 
-  fz_link* link = fz_load_links(mupdf_document->document, mupdf_page->page);
+  fz_link* link = fz_load_links(mupdf_document->ctx, mupdf_page->page);
   for (; link != NULL; link = link->next) {
     /* extract position */
     zathura_rectangle_t position;
diff --git a/page.c b/page.c
index 9032622..beb0351 100644
--- a/page.c
+++ b/page.c
@@ -29,12 +29,12 @@ pdf_page_init(zathura_page_t* page)
 
   /* load page */
   fz_try (mupdf_page->ctx) {
-    mupdf_page->page = fz_load_page(mupdf_document->document, index);
+    mupdf_page->page = fz_load_page(mupdf_document->ctx, mupdf_document->document, index);
   } fz_catch (mupdf_page->ctx) {
     goto error_free;
   }
 
-  fz_bound_page(mupdf_document->document, (fz_page*) mupdf_page->page, &mupdf_page->bbox);
+  fz_bound_page(mupdf_document->ctx, (fz_page*) mupdf_page->page, &mupdf_page->bbox);
 
   /* get page dimensions */
   zathura_page_set_width(page,  mupdf_page->bbox.x1 - mupdf_page->bbox.x0);
@@ -74,15 +74,15 @@ pdf_page_clear(zathura_page_t* page, mupdf_page_t* mupdf_page)
 
   if (mupdf_page != NULL) {
     if (mupdf_page->text != NULL) {
-      fz_free_text_page(mupdf_page->ctx, mupdf_page->text);
+      fz_drop_text_page(mupdf_page->ctx, mupdf_page->text);
     }
 
     if (mupdf_page->sheet != NULL) {
-      fz_free_text_sheet(mupdf_page->ctx, mupdf_page->sheet);
+      fz_drop_text_sheet(mupdf_page->ctx, mupdf_page->sheet);
     }
 
     if (mupdf_page->page != NULL) {
-      fz_free_page(mupdf_document->document, mupdf_page->page);
+      fz_drop_page(mupdf_document->ctx, mupdf_page->page);
     }
 
     free(mupdf_page);
diff --git a/render.c b/render.c
index 4ec07ae..e0648e1 100644
--- a/render.c
+++ b/render.c
@@ -26,12 +26,12 @@ pdf_page_render_to_buffer(mupdf_document_t* mupdf_document, mupdf_page_t* mupdf_
   fz_try (mupdf_document->ctx) {
     fz_matrix m;
     fz_scale(&m, scalex, scaley);
-    fz_run_page(mupdf_document->document, mupdf_page->page, device, &m, NULL);
+    fz_run_page(mupdf_document->ctx, mupdf_page->page, device, &m, NULL);
   } fz_catch (mupdf_document->ctx) {
     return ZATHURA_ERROR_UNKNOWN;
   }
 
-  fz_free_device(device);
+  fz_drop_device(mupdf_page->ctx, device);
 
   fz_irect irect = { .x1 = page_width, .y1 = page_height };
   fz_rect rect = { .x1 = page_width, .y1 = page_height };
@@ -41,8 +41,8 @@ pdf_page_render_to_buffer(mupdf_document_t* mupdf_document, mupdf_page_t* mupdf_
   fz_clear_pixmap_with_value(mupdf_page->ctx, pixmap, 0xFF);
 
   device = fz_new_draw_device(mupdf_page->ctx, pixmap);
-  fz_run_display_list(display_list, device, &fz_identity, &rect, NULL);
-  fz_free_device(device);
+  fz_run_display_list(mupdf_page->ctx, display_list, device, &fz_identity, &rect, NULL);
+  fz_drop_device(mupdf_page->ctx, device);
 
   unsigned char* s = fz_pixmap_samples(mupdf_page->ctx, pixmap);
   unsigned int n   = fz_pixmap_components(mupdf_page->ctx, pixmap);
diff --git a/utils.c b/utils.c
index 13ee788..d45a31d 100644
--- a/utils.c
+++ b/utils.c
@@ -17,9 +17,9 @@ mupdf_page_extract_text(mupdf_document_t* mupdf_document, mupdf_page_t* mupdf_pa
     text_device = fz_new_text_device(mupdf_page->ctx, mupdf_page->sheet, mupdf_page->text);
     fz_matrix ctm;
     fz_scale(&ctm, 1.0, 1.0);
-    fz_run_page(mupdf_document->document, mupdf_page->page, text_device, &ctm, NULL);
+    fz_run_page(mupdf_page->ctx, mupdf_page->page, text_device, &ctm, NULL);
   } fz_always (mupdf_document->ctx) {
-    fz_free_device(text_device);
+    fz_drop_device(mupdf_page->ctx, text_device);
   } fz_catch(mupdf_document->ctx) {
   }
 
-- 
1.8.4