Remove pixbuf backend for now

[evince.git] / shell / ev-pixbuf-cache.c

diff --git a/shell/ev-pixbuf-cache.c b/shell/ev-pixbuf-cache.c
index 7d076dba219a7fcfabc2b6363e2daee2d282964d..7200b37c4367982cf6e3952a295cb2b55b7a5148 100644 (file)
--- a/shell/ev-pixbuf-cache.c
+++ b/shell/ev-pixbuf-cache.c
@@ -6,6 +6,7 @@ typedef struct _CacheJobInfo
 {
        EvJob *job;
        GdkPixbuf *pixbuf;
+       GList *link_mapping;
 } CacheJobInfo;
 
 struct _EvPixbufCache
@@ -50,14 +51,16 @@ static void          job_finished_cb            (EvJob              *job,
                                                 EvPixbufCache      *pixbuf_cache);
 static CacheJobInfo *find_job_cache             (EvPixbufCache      *pixbuf_cache,
                                                 int                 page);
-
+static void          copy_job_to_job_info       (EvJobRender        *job_render,
+                                                CacheJobInfo       *job_info,
+                                                EvPixbufCache      *pixbuf_cache);
 
 
 /* These are used for iterating through the prev and next arrays */
 #define FIRST_VISABLE_PREV(pixbuf_cache) \
        (MAX (0, pixbuf_cache->preload_cache_size + 1 - pixbuf_cache->start_page))
 #define VISIBLE_NEXT_LEN(pixbuf_cache, page_cache) \
-       (MIN(pixbuf_cache->preload_cache_size, ev_page_cache_get_n_pages (page_cache) - pixbuf_cache->end_page))
+       (MIN(pixbuf_cache->preload_cache_size, ev_page_cache_get_n_pages (page_cache) - (1 + pixbuf_cache->end_page)))
 #define PAGE_CACHE_LEN(pixbuf_cache) \
        ((pixbuf_cache->end_page - pixbuf_cache->start_page) + 1)
 
@@ -66,8 +69,8 @@ G_DEFINE_TYPE (EvPixbufCache, ev_pixbuf_cache, G_TYPE_OBJECT)
 static void
 ev_pixbuf_cache_init (EvPixbufCache *pixbuf_cache)
 {
-       pixbuf_cache->start_page = 1;
-       pixbuf_cache->end_page = 1;
+       pixbuf_cache->start_page = 0;
+       pixbuf_cache->end_page = 0;
        pixbuf_cache->job_list = g_new0 (CacheJobInfo, PAGE_CACHE_LEN (pixbuf_cache));
 
        pixbuf_cache->preload_cache_size = 1;
@@ -123,6 +126,10 @@ dispose_cache_job_info (CacheJobInfo *job_info,
                g_object_unref (G_OBJECT (job_info->pixbuf));
                job_info->pixbuf = NULL;
        }
+       if (job_info->link_mapping) {
+               ev_link_mapping_free (job_info->link_mapping);
+               job_info->link_mapping = NULL;
+       }
 }
 
 static void
@@ -177,6 +184,12 @@ job_finished_cb (EvJob         *job,
                g_object_unref (job_info->pixbuf);
        job_info->pixbuf = pixbuf;
 
+       if (job_render->link_mapping) {
+               if (job_info->link_mapping)
+                       ev_link_mapping_free (job_info->link_mapping);
+               job_info->link_mapping = job_render->link_mapping;
+       }
+       
        if (job_info->job == job)
                job_info->job = NULL;
        g_object_unref (job);
@@ -268,6 +281,7 @@ move_one_job (CacheJobInfo  *job_info,
        *target_page = *job_info;
        job_info->job = NULL;
        job_info->pixbuf = NULL;
+       job_info->link_mapping = NULL;
 
        if (new_priority != priority && target_page->job) {
                g_print ("FIXME: update priority \n");
@@ -303,7 +317,7 @@ ev_pixbuf_cache_update_range (EvPixbufCache *pixbuf_cache,
        /* Start with the prev cache. */
        page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size;
        for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
-               if (page < 1) {
+               if (page < 0) {
                        dispose_cache_job_info (pixbuf_cache->prev_job + i, pixbuf_cache);
                } else {
                        move_one_job (pixbuf_cache->prev_job + i,
@@ -324,7 +338,7 @@ ev_pixbuf_cache_update_range (EvPixbufCache *pixbuf_cache,
        }
 
        for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
-               if (page > ev_page_cache_get_n_pages (page_cache)) {
+               if (page >= ev_page_cache_get_n_pages (page_cache)) {
                        dispose_cache_job_info (pixbuf_cache->next_job + i, pixbuf_cache);
                } else {
                        move_one_job (pixbuf_cache->next_job + i,
@@ -347,6 +361,22 @@ ev_pixbuf_cache_update_range (EvPixbufCache *pixbuf_cache,
        pixbuf_cache->end_page = end_page;
 }
 
+static void
+copy_job_to_job_info (EvJobRender   *job_render,
+                     CacheJobInfo  *job_info,
+                     EvPixbufCache *pixbuf_cache)
+{
+       GdkPixbuf *pixbuf;
+
+       pixbuf = g_object_ref (job_render->pixbuf);
+
+       dispose_cache_job_info (job_info, pixbuf_cache);
+
+       job_info->pixbuf = pixbuf;
+       if (job_render->link_mapping)
+               job_info->link_mapping = job_render->link_mapping;
+}
+
 static CacheJobInfo *
 find_job_cache (EvPixbufCache *pixbuf_cache,
                int            page)
@@ -426,7 +456,8 @@ add_job_if_needed (EvPixbufCache *pixbuf_cache,
        /* make a new job now */
        job_info->job = ev_job_render_new (pixbuf_cache->document,
                                           page, scale,
-                                          width, height);
+                                          width, height,
+                                          (job_info->link_mapping == NULL)?TRUE:FALSE);
        ev_job_queue_add_job (job_info->job, priority);
        g_signal_connect (job_info->job, "finished", G_CALLBACK (job_finished_cb), pixbuf_cache);
 }
@@ -484,8 +515,8 @@ ev_pixbuf_cache_set_page_range (EvPixbufCache *pixbuf_cache,
 
        page_cache = ev_document_get_page_cache (pixbuf_cache->document);
 
-       g_return_if_fail (start_page > 0 && start_page <= ev_page_cache_get_n_pages (page_cache));
-       g_return_if_fail (end_page > 0 && end_page <= ev_page_cache_get_n_pages (page_cache));
+       g_return_if_fail (start_page >= 0 && start_page < ev_page_cache_get_n_pages (page_cache));
+       g_return_if_fail (end_page >= 0 && end_page < ev_page_cache_get_n_pages (page_cache));
        g_return_if_fail (end_page >= start_page);
 
        /* First, resize the page_range as needed.  We cull old pages
@@ -514,12 +545,27 @@ ev_pixbuf_cache_get_pixbuf (EvPixbufCache *pixbuf_cache,
        /* We don't need to wait for the idle to handle the callback */
        if (job_info->job &&
            EV_JOB (job_info->job)->finished) {
-               GdkPixbuf *pixbuf;
-
-               pixbuf = g_object_ref (EV_JOB_RENDER (job_info->job)->pixbuf);
-               dispose_cache_job_info (job_info, pixbuf_cache);
-               job_info->pixbuf = pixbuf;
+               copy_job_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache);
        }
 
        return job_info->pixbuf;
 }
+
+GList *
+ev_pixbuf_cache_get_link_mapping (EvPixbufCache *pixbuf_cache,
+                                 gint           page)
+{
+       CacheJobInfo *job_info;
+
+       job_info = find_job_cache (pixbuf_cache, page);
+       if (job_info == NULL)
+               return NULL;
+
+       /* We don't need to wait for the idle to handle the callback */
+       if (job_info->job &&
+           EV_JOB (job_info->job)->finished) {
+               copy_job_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache);
+       }
+       
+       return job_info->link_mapping;
+}