From 7da41c9ed19b9d29a484416a27065c1f13b980e1 Mon Sep 17 00:00:00 2001 From: =?utf-8?q?I=C3=B1igo=20Mart=C3=ADnez?= Date: Sun, 24 Feb 2008 01:58:49 +0100 Subject: [PATCH] Improved PopplerAnnot support. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Signed-off-by: Iñigo Martínez --- glib/poppler-page.cc | 151 ++++++++++++++++++++++++++++++++++++++++++++++++++ glib/poppler-page.h | 15 +++++ glib/poppler.h | 1 + 3 files changed, 167 insertions(+), 0 deletions(-) diff --git a/glib/poppler-page.cc b/glib/poppler-page.cc index 001bb25..440c7d2 100644 --- a/glib/poppler-page.cc +++ b/glib/poppler-page.cc @@ -1497,6 +1497,111 @@ poppler_page_free_form_field_mapping (GList *list) g_list_free (list); } +/** + * poppler_page_get_annot_mapping: + * @page: A #PopplerPage + * + * Returns a list of #PopplerAnnotMapping items that map from a location on + * @page to a #PopplerAnnot. This list must be freed with + * poppler_page_free_annot_mapping() when done. + * + * Return value: A #GList of #PopplerAnnotMapping + **/ +GList * +poppler_page_get_annot_mapping (PopplerPage *page) +{ + GList *map_list = NULL; + Annots *annots; + double width, height; + + g_return_val_if_fail (POPPLER_IS_PAGE (page), NULL); + + annots = page->page->getAnnots (page->document->doc->getCatalog ()); + + if(!annots) + return NULL; + + poppler_page_get_size (page, &width, &height); + for(gint i = 0; i < annots->getNumAnnots (); i++) { + PopplerAnnotMapping *mapping; + PopplerRectangle rect; + Annot *annot; + PDFRectangle *annot_rect; + gint rotation = 0; + + annot = annots->getAnnot (i); + + /* Create the mapping */ + mapping = g_new (PopplerAnnotMapping, 1); + mapping->annot = _poppler_annot_new (annot); + + annot_rect = annot->getRect (); + rect.x1 = annot_rect->x1; + rect.y1 = annot_rect->y1; + rect.x2 = annot_rect->x2; + rect.y2 = annot_rect->y2; + + if (! (annot->getFlags () & Annot::flagNoRotate)) + rotation = page->page->getRotate (); + + switch (rotation) + { + case 90: + mapping->area.x1 = rect.y1; + mapping->area.y1 = height - rect.x2; + mapping->area.x2 = mapping->area.x1 + (rect.y2 - rect.y1); + mapping->area.y2 = mapping->area.y1 + (rect.x2 - rect.x1); + break; + case 180: + mapping->area.x1 = width - rect.x2; + mapping->area.y1 = height - rect.y2; + mapping->area.x2 = mapping->area.x1 + (rect.x2 - rect.x1); + mapping->area.y2 = mapping->area.y1 + (rect.y2 - rect.y1); + break; + case 270: + mapping->area.x1 = width - rect.y2; + mapping->area.y1 = rect.x1; + mapping->area.x2 = mapping->area.x1 + (rect.y2 - rect.y1); + mapping->area.y2 = mapping->area.y1 + (rect.x2 - rect.x1); + break; + default: + mapping->area.x1 = rect.x1; + mapping->area.y1 = rect.y1; + mapping->area.x2 = rect.x2; + mapping->area.y2 = rect.y2; + } + + mapping->area.x1 -= page->page->getCropBox()->x1; + mapping->area.x2 -= page->page->getCropBox()->x1; + mapping->area.y1 -= page->page->getCropBox()->y1; + mapping->area.y2 -= page->page->getCropBox()->y1; + + map_list = g_list_prepend (map_list, mapping); + } + + delete annots; + return g_list_reverse (map_list); +} + +/** + * poppler_page_free_annot_mapping: + * @list: A list of #PopplerAnnotMappings + * + * Frees a list of #PopplerAnnotMappings allocated by + * poppler_page_get_annot_mapping(). It also frees the #PopplerAnnots + * that each mapping contains, so if you want to keep them around, you need to + * copy them with poppler_annot_copy(). + **/ +void +poppler_page_free_annot_mapping (GList *list) +{ + if (!list) + return; + + g_list_foreach (list, (GFunc) (poppler_annot_mapping_free), NULL); + g_list_free (list); +} + /* PopplerRectangle type */ GType @@ -1697,6 +1802,52 @@ poppler_form_field_mapping_free (PopplerFormFieldMapping *mapping) g_free (mapping); } +/* PopplerAnnot Mapping Type */ +GType +poppler_annot_mapping_get_type (void) +{ + static GType our_type = 0; + + if (our_type == 0) + our_type = g_boxed_type_register_static ("PopplerAnnotMapping", + (GBoxedCopyFunc) poppler_annot_mapping_copy, + (GBoxedFreeFunc) poppler_annot_mapping_free); + + return our_type; +} + +PopplerAnnotMapping * +poppler_annot_mapping_new (void) +{ + return (PopplerAnnotMapping *) g_new0 (PopplerAnnotMapping, 1); +} + +PopplerAnnotMapping * +poppler_annot_mapping_copy (PopplerAnnotMapping *mapping) +{ + PopplerAnnotMapping *new_mapping; + + new_mapping = poppler_annot_mapping_new (); + + *new_mapping = *mapping; + if (new_mapping->annot) + new_mapping->annot = (PopplerAnnot *) g_object_ref (mapping->annot); + + return new_mapping; +} + +void +poppler_annot_mapping_free (PopplerAnnotMapping *mapping) +{ + if (!mapping) + return; + + if (mapping->annot) + g_object_unref (mapping->annot); + + g_free (mapping); +} + void poppler_page_get_crop_box (PopplerPage *page, PopplerRectangle *rect) { diff --git a/glib/poppler-page.h b/glib/poppler-page.h index f8de186..5304d0b 100644 --- a/glib/poppler-page.h +++ b/glib/poppler-page.h @@ -90,6 +90,8 @@ cairo_surface_t *poppler_page_get_image (PopplerPage *pa #endif GList *poppler_page_get_form_field_mapping (PopplerPage *page); void poppler_page_free_form_field_mapping (GList *list); +GList *poppler_page_get_annot_mapping (PopplerPage *page); +void poppler_page_free_annot_mapping (GList *list); GdkRegion *poppler_page_get_selection_region (PopplerPage *page, gdouble scale, PopplerSelectionStyle style, @@ -192,6 +194,19 @@ PopplerFormFieldMapping *poppler_form_field_mapping_new (void); PopplerFormFieldMapping *poppler_form_field_mapping_copy (PopplerFormFieldMapping *mapping); void poppler_form_field_mapping_free (PopplerFormFieldMapping *mapping); +/* Mapping between areas on the current page and annots */ +#define POPPLER_TYPE_ANNOT_MAPPING (poppler_annot_mapping_get_type ()) +struct _PopplerAnnotMapping +{ + PopplerRectangle area; + PopplerAnnot *annot; +}; + +GType poppler_annot_mapping_get_type (void) G_GNUC_CONST; +PopplerAnnotMapping *poppler_annot_mapping_new (void); +PopplerAnnotMapping *poppler_annot_mapping_copy (PopplerAnnotMapping *mapping); +void poppler_annot_mapping_free (PopplerAnnotMapping *mapping); + G_END_DECLS #endif /* __POPPLER_PAGE_H__ */ diff --git a/glib/poppler.h b/glib/poppler.h index ecce5c0..07ef09a 100644 --- a/glib/poppler.h +++ b/glib/poppler.h @@ -85,6 +85,7 @@ typedef struct _PopplerLinkMapping PopplerLinkMapping; typedef struct _PopplerPageTransition PopplerPageTransition; typedef struct _PopplerImageMapping PopplerImageMapping; typedef struct _PopplerFormFieldMapping PopplerFormFieldMapping; +typedef struct _PopplerAnnotMapping PopplerAnnotMapping; typedef struct _PopplerPage PopplerPage; typedef struct _PopplerFontInfo PopplerFontInfo; typedef struct _PopplerPSFile PopplerPSFile; -- 1.5.3.7