From 33889b3eddebef1251e70a882b72a1710ba20083 Mon Sep 17 00:00:00 2001 From: Carlos Garcia Campos Date: Tue, 11 Jun 2013 14:22:41 +0200 Subject: libview: Add a way to get the text logical attributes from the page cache It returns an array of PangoLogAttr with the logical attributes of the text for the given page. taken from: https://git.gnome.org/browse/evince/commit/?h=gnome-3-10&id=6870279 --- libview/ev-jobs.c | 7 +++++++ libview/ev-jobs.h | 21 ++++++++++++--------- libview/ev-page-cache.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++++ libview/ev-page-cache.h | 5 ++++- 4 files changed, 73 insertions(+), 10 deletions(-) (limited to 'libview') diff --git a/libview/ev-jobs.c b/libview/ev-jobs.c index a2ba309a..c82ac6b5 100644 --- a/libview/ev-jobs.c +++ b/libview/ev-jobs.c @@ -760,6 +760,13 @@ ev_job_page_data_run (EvJob *job) ev_page, &(job_pd->text_layout), &(job_pd->text_layout_length)); + if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_TEXT_LOG_ATTRS) && job_pd->text) { + job_pd->text_log_attrs_length = g_utf8_strlen (job_pd->text, -1); + job_pd->text_log_attrs = g_new0 (PangoLogAttr, job_pd->text_log_attrs_length + 1); + + /* FIXME: We need API to get the language of the document */ + pango_get_log_attrs (job_pd->text, -1, -1, NULL, job_pd->text_log_attrs, job_pd->text_log_attrs_length + 1); + } if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_LINKS) && EV_IS_DOCUMENT_LINKS (job->document)) job_pd->link_mapping = ev_document_links_get_links (EV_DOCUMENT_LINKS (job->document), ev_page); diff --git a/libview/ev-jobs.h b/libview/ev-jobs.h index fdc23bae..ddcbd486 100644 --- a/libview/ev-jobs.h +++ b/libview/ev-jobs.h @@ -253,15 +253,16 @@ struct _EvJobRenderClass }; typedef enum { - EV_PAGE_DATA_INCLUDE_NONE = 0, - EV_PAGE_DATA_INCLUDE_LINKS = 1 << 0, - EV_PAGE_DATA_INCLUDE_TEXT = 1 << 1, - EV_PAGE_DATA_INCLUDE_TEXT_MAPPING = 1 << 2, - EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT = 1 << 3, - EV_PAGE_DATA_INCLUDE_IMAGES = 1 << 4, - EV_PAGE_DATA_INCLUDE_FORMS = 1 << 5, - EV_PAGE_DATA_INCLUDE_ANNOTS = 1 << 6, - EV_PAGE_DATA_INCLUDE_ALL = (1 << 7) - 1 + EV_PAGE_DATA_INCLUDE_NONE = 0, + EV_PAGE_DATA_INCLUDE_LINKS = 1 << 0, + EV_PAGE_DATA_INCLUDE_TEXT = 1 << 1, + EV_PAGE_DATA_INCLUDE_TEXT_MAPPING = 1 << 2, + EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT = 1 << 3, + EV_PAGE_DATA_INCLUDE_TEXT_LOG_ATTRS = 1 << 4, + EV_PAGE_DATA_INCLUDE_IMAGES = 1 << 5, + EV_PAGE_DATA_INCLUDE_FORMS = 1 << 6, + EV_PAGE_DATA_INCLUDE_ANNOTS = 1 << 7, + EV_PAGE_DATA_INCLUDE_ALL = (1 << 8) - 1 } EvJobPageDataFlags; struct _EvJobPageData @@ -279,6 +280,8 @@ struct _EvJobPageData gchar *text; EvRectangle *text_layout; guint text_layout_length; + PangoLogAttr *text_log_attrs; + gulong text_log_attrs_length; }; struct _EvJobPageDataClass diff --git a/libview/ev-page-cache.c b/libview/ev-page-cache.c index b7c5e8aa..4deef21f 100644 --- a/libview/ev-page-cache.c +++ b/libview/ev-page-cache.c @@ -45,6 +45,8 @@ typedef struct _EvPageCacheData { EvRectangle *text_layout; guint text_layout_length; gchar *text; + PangoLogAttr *text_log_attrs; + gulong text_log_attrs_length; } EvPageCacheData; struct _EvPageCache { @@ -123,6 +125,12 @@ ev_page_cache_data_free (EvPageCacheData *data) g_free (data->text); data->text = NULL; } + + if (data->text_log_attrs) { + g_free (data->text_log_attrs); + data->text_log_attrs = NULL; + data->text_log_attrs_length = 0; + } } static void @@ -226,6 +234,12 @@ ev_page_cache_get_flags_for_data (EvPageCache *cache, flags | EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT; } + if (cache->flags & EV_PAGE_DATA_INCLUDE_TEXT_LOG_ATTRS) { + flags = (data->text_log_attrs) ? + flags & ~EV_PAGE_DATA_INCLUDE_TEXT_LOG_ATTRS : + flags | EV_PAGE_DATA_INCLUDE_TEXT_LOG_ATTRS; + } + return flags; } @@ -270,6 +284,10 @@ job_page_data_finished_cb (EvJob *job, } if (job_data->flags & EV_PAGE_DATA_INCLUDE_TEXT) data->text = job_data->text; + if (job_data->flags & EV_PAGE_DATA_INCLUDE_TEXT_LOG_ATTRS) { + data->text_log_attrs = job_data->text_log_attrs; + data->text_log_attrs_length = job_data->text_log_attrs_length; + } data->done = TRUE; data->dirty = FALSE; @@ -541,3 +559,35 @@ ev_page_cache_get_text_layout (EvPageCache *cache, return FALSE; } + +gboolean +ev_page_cache_get_text_log_attrs (EvPageCache *cache, + gint page, + PangoLogAttr **log_attrs, + gulong *n_attrs) +{ + EvPageCacheData *data; + + g_return_val_if_fail (EV_IS_PAGE_CACHE (cache), FALSE); + g_return_val_if_fail (page >= 0 && page < cache->n_pages, FALSE); + + if (!(cache->flags & EV_PAGE_DATA_INCLUDE_TEXT_LOG_ATTRS)) + return FALSE; + + data = &cache->page_list[page]; + if (data->done) { + *log_attrs = data->text_log_attrs; + *n_attrs = data->text_log_attrs_length; + + return TRUE; + } + + if (data->job) { + *log_attrs = EV_JOB_PAGE_DATA (data->job)->text_log_attrs; + *n_attrs = EV_JOB_PAGE_DATA (data->job)->text_log_attrs_length; + + return TRUE; + } + + return FALSE; +} diff --git a/libview/ev-page-cache.h b/libview/ev-page-cache.h index 1e6bf3f6..08d5ec7d 100644 --- a/libview/ev-page-cache.h +++ b/libview/ev-page-cache.h @@ -66,7 +66,10 @@ gboolean ev_page_cache_get_text_layout (EvPageCache *cach gint page, EvRectangle **areas, guint *n_areas); - +gboolean ev_page_cache_get_text_log_attrs (EvPageCache *cache, + gint page, + PangoLogAttr **log_attrs, + gulong *n_attrs); G_END_DECLS #endif /* EV_PAGE_CACHE_H */ -- cgit v1.2.1