#include <stdlib.h>
#include <string.h>
-#define THUMBNAIL_WIDTH 100
-
-typedef struct _EvPageThumbsInfo
-{
- gint width;
- gint height;
-} EvPageThumbsInfo;
-
struct _EvPageCache
{
GObject parent;
double* dual_height_to_page;
int rotation;
-
- /* Thumbnail dimensions */
- gboolean thumbs_uniform;
- gint thumbs_uniform_width;
- gint thumbs_uniform_height;
- gint thumbs_max_width;
- gint thumbs_max_height;
- EvPageThumbsInfo *thumbs_size_cache;
};
struct _EvPageCacheClass
page_cache->document = NULL;
- if (page_cache->thumbs_size_cache) {
- g_free (page_cache->thumbs_size_cache);
- page_cache->thumbs_size_cache = NULL;
- }
-
if (page_cache->height_to_page) {
g_free (page_cache->height_to_page);
page_cache->height_to_page = NULL;
ev_page_cache_new (EvDocument *document)
{
EvPageCache *page_cache;
- EvPageThumbsInfo *thumb_info;
- EvRenderContext *rc = NULL;
- gint i, n_pages;
page_cache = (EvPageCache *) g_object_new (EV_TYPE_PAGE_CACHE, NULL);
page_cache->document = document;
- n_pages = ev_document_get_n_pages (document);
-
build_height_to_page (page_cache);
- if (!EV_IS_DOCUMENT_THUMBNAILS (document)) {
- if (n_pages > 0)
- ev_page_cache_set_current_page (page_cache, 0);
- return page_cache;
- }
-
- /* Assume all pages are the same size until proven otherwise */
- page_cache->thumbs_uniform = TRUE;
-
- for (i = 0; i < n_pages; i++) {
- EvPage *page;
- gdouble page_width, page_height;
- gint thumb_width = 0;
- gint thumb_height = 0;
-
- page = ev_document_get_page (document, i);
-
- ev_document_get_page_size (document, i, &page_width, &page_height);
-
- if (!rc) {
- rc = ev_render_context_new (page, 0, (gdouble)THUMBNAIL_WIDTH / page_width);
- } else {
- ev_render_context_set_page (rc, page);
- ev_render_context_set_scale (rc, (gdouble)THUMBNAIL_WIDTH / page_width);
- }
-
- ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (document),
- rc, &thumb_width, &thumb_height);
-
- if (thumb_width > page_cache->thumbs_max_width) {
- page_cache->thumbs_max_width = thumb_width;
- }
-
- if (thumb_height > page_cache->thumbs_max_height) {
- page_cache->thumbs_max_height = thumb_height;
- }
-
- if (i == 0) {
- page_cache->thumbs_uniform_width = thumb_width;
- page_cache->thumbs_uniform_height = thumb_height;
- } else if (page_cache->thumbs_uniform &&
- (page_cache->thumbs_uniform_width != thumb_width ||
- page_cache->thumbs_uniform_height != thumb_height)) {
- /* It's a different thumbnail size. Backfill the array. */
- int j;
-
- page_cache->thumbs_size_cache = g_new0 (EvPageThumbsInfo, n_pages);
-
- for (j = 0; j < i; j++) {
- thumb_info = &(page_cache->thumbs_size_cache[j]);
- thumb_info->width = page_cache->thumbs_uniform_width;
- thumb_info->height = page_cache->thumbs_uniform_height;
- }
- page_cache->thumbs_uniform = FALSE;
- }
-
- if (! page_cache->thumbs_uniform) {
- thumb_info = &(page_cache->thumbs_size_cache[i]);
-
- thumb_info->width = thumb_width;
- thumb_info->height = thumb_height;
- }
-
- g_object_unref (page);
- }
-
- if (rc) {
- g_object_unref (rc);
- }
-
- if (n_pages > 0)
+ if (ev_document_get_n_pages (page_cache->document) > 0)
ev_page_cache_set_current_page (page_cache, 0);
return page_cache;
*dual_height = page_cache->dual_height_to_page[page] * scale;
}
-void
-ev_page_cache_get_thumbnail_size (EvPageCache *page_cache,
- gint page,
- gint rotation,
- gint *width,
- gint *height)
-{
- gint w, h;
-
- g_return_if_fail (EV_IS_PAGE_CACHE (page_cache));
-
- if (page_cache->thumbs_uniform) {
- w = page_cache->thumbs_uniform_width;
- h = page_cache->thumbs_uniform_height;
- } else {
- EvPageThumbsInfo *info;
-
- info = &(page_cache->thumbs_size_cache [page]);
-
- w = info->width;
- h = info->height;
- }
-
- if (rotation == 0 || rotation == 180) {
- if (width) *width = w;
- if (height) *height = h;
- } else {
- if (width) *width = h;
- if (height) *height = w;
- }
-}
-
gboolean
ev_page_cache_get_dual_even_left (EvPageCache *page_cache)
{
* limit its use */
#define MAX_ICON_VIEW_PAGE_COUNT 1500
+typedef struct _EvThumbsSize
+{
+ gint width;
+ gint height;
+} EvThumbsSize;
+
+typedef struct _EvThumbsSizeCache {
+ gboolean uniform;
+ gint uniform_width;
+ gint uniform_height;
+ EvThumbsSize *sizes;
+} EvThumbsSizeCache;
struct _EvSidebarThumbnailsPrivate {
GtkWidget *swindow;
GHashTable *loading_icons;
EvDocument *document;
EvPageCache *page_cache;
+ EvThumbsSizeCache *size_cache;
gint n_pages, pages_done;
#define EV_SIDEBAR_THUMBNAILS_GET_PRIVATE(object) \
(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_THUMBNAILS, EvSidebarThumbnailsPrivate));
+/* Thumbnails dimensions cache */
+#define EV_THUMBNAILS_SIZE_CACHE_KEY "ev-thumbnails-size-cache"
+
+static EvThumbsSizeCache *
+ev_thumbnails_size_cache_new (EvDocument *document)
+{
+ EvThumbsSizeCache *cache;
+ EvRenderContext *rc;
+ gint i, n_pages;
+ EvThumbsSize *thumb_size;
+
+ cache = g_new0 (EvThumbsSizeCache, 1);
+
+ n_pages = ev_document_get_n_pages (document);
+
+ /* Assume all pages are the same size until proven otherwise */
+ cache->uniform = TRUE;
+
+ for (i = 0; i < n_pages; i++) {
+ EvPage *page;
+ gdouble page_width, page_height;
+ gint thumb_width = 0;
+ gint thumb_height = 0;
+
+ page = ev_document_get_page (document, i);
+
+ ev_document_get_page_size (document, i, &page_width, &page_height);
+
+ if (!rc) {
+ rc = ev_render_context_new (page, 0, (gdouble)THUMBNAIL_WIDTH / page_width);
+ } else {
+ ev_render_context_set_page (rc, page);
+ ev_render_context_set_scale (rc, (gdouble)THUMBNAIL_WIDTH / page_width);
+ }
+
+ ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (document),
+ rc, &thumb_width, &thumb_height);
+
+ if (i == 0) {
+ cache->uniform_width = thumb_width;
+ cache->uniform_height = thumb_height;
+ } else if (cache->uniform &&
+ (cache->uniform_width != thumb_width ||
+ cache->uniform_height != thumb_height)) {
+ /* It's a different thumbnail size. Backfill the array. */
+ int j;
+
+ cache->sizes = g_new0 (EvThumbsSize, n_pages);
+
+ for (j = 0; j < i; j++) {
+ thumb_size = &(cache->sizes[j]);
+ thumb_size->width = cache->uniform_width;
+ thumb_size->height = cache->uniform_height;
+ }
+ cache->uniform = FALSE;
+ }
+
+ if (! cache->uniform) {
+ thumb_size = &(cache->sizes[i]);
+
+ thumb_size->width = thumb_width;
+ thumb_size->height = thumb_height;
+ }
+
+ g_object_unref (page);
+ }
+
+ if (rc) {
+ g_object_unref (rc);
+ }
+
+ return cache;
+}
+
+static void
+ev_thumbnails_size_cache_get_size (EvThumbsSizeCache *cache,
+ gint page,
+ gint rotation,
+ gint *width,
+ gint *height)
+{
+ gint w, h;
+
+ if (cache->uniform) {
+ w = cache->uniform_width;
+ h = cache->uniform_height;
+ } else {
+ EvThumbsSize *thumb_size;
+
+ thumb_size = &(cache->sizes[page]);
+
+ w = thumb_size->width;
+ h = thumb_size->height;
+ }
+
+ if (rotation == 0 || rotation == 180) {
+ if (width) *width = w;
+ if (height) *height = h;
+ } else {
+ if (width) *width = h;
+ if (height) *height = w;
+ }
+}
+
+static void
+ev_thumbnails_size_cache_free (EvThumbsSizeCache *cache)
+{
+ if (cache->sizes) {
+ g_free (cache->sizes);
+ cache->sizes = NULL;
+ }
+
+ g_free (cache);
+}
+
+static EvThumbsSizeCache *
+ev_thumbnails_size_cache_get (EvDocument *document)
+{
+ EvThumbsSizeCache *cache;
+
+ cache = g_object_get_data (G_OBJECT (document), EV_THUMBNAILS_SIZE_CACHE_KEY);
+ if (!cache) {
+ cache = ev_thumbnails_size_cache_new (document);
+ g_object_set_data_full (G_OBJECT (document),
+ EV_THUMBNAILS_SIZE_CACHE_KEY,
+ cache,
+ (GDestroyNotify)ev_thumbnails_size_cache_free);
+ }
+
+ return cache;
+}
+
static void
ev_sidebar_thumbnails_dispose (GObject *object)
g_object_unref (sidebar_thumbnails->priv->list_store);
sidebar_thumbnails->priv->list_store = NULL;
}
-
+
G_OBJECT_CLASS (ev_sidebar_thumbnails_parent_class)->dispose (object);
}
g_object_unref (job);
}
- ev_page_cache_get_thumbnail_size (priv->page_cache, start_page,
+ ev_thumbnails_size_cache_get_size (priv->size_cache, start_page,
priv->rotation,
&width, &height);
if (!loading_icon || (width != prev_width && height != prev_height)) {
page_label = ev_document_get_page_label (priv->document, i);
page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
- ev_page_cache_get_thumbnail_size (sidebar_thumbnails->priv->page_cache, i,
+ ev_thumbnails_size_cache_get_size (sidebar_thumbnails->priv->size_cache, i,
sidebar_thumbnails->priv->rotation,
&width, &height);
if (!loading_icon || (width != prev_width && height != prev_height)) {
return;
}
+ priv->size_cache = ev_thumbnails_size_cache_get (document);
priv->document = document;
priv->n_pages = ev_document_get_n_pages (document);
priv->loading_icons = g_hash_table_new_full (g_str_hash,
https://www.fi.muni.cz/~kas/git / evince.git / commitdiff