X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=libdocument%2Fev-document.h;h=367d6e6af39a518ab304fc98954c3ef05aeb8e9b;hb=14def5e0c1c11cee1523e10c72df74f4cf5e451d;hp=33b7f4d3a09b54563579769ff63fd830dc65e8a4;hpb=3d118b9fc7794a6efc0a16d5f2a79ed228232bbe;p=evince.git diff --git a/libdocument/ev-document.h b/libdocument/ev-document.h index 33b7f4d3..367d6e6a 100644 --- a/libdocument/ev-document.h +++ b/libdocument/ev-document.h @@ -25,21 +25,22 @@ #include #include #include +#include -#include "ev-link.h" #include "ev-document-info.h" +#include "ev-page.h" #include "ev-render-context.h" G_BEGIN_DECLS -#define EV_TYPE_DOCUMENT (ev_document_get_type ()) -#define EV_DOCUMENT(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), EV_TYPE_DOCUMENT, EvDocument)) -#define EV_DOCUMENT_IFACE(k) (G_TYPE_CHECK_CLASS_CAST((k), EV_TYPE_DOCUMENT, EvDocumentIface)) -#define EV_IS_DOCUMENT(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EV_TYPE_DOCUMENT)) -#define EV_IS_DOCUMENT_IFACE(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EV_TYPE_DOCUMENT)) +#define EV_TYPE_DOCUMENT (ev_document_get_type ()) +#define EV_DOCUMENT(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), EV_TYPE_DOCUMENT, EvDocument)) +#define EV_DOCUMENT_IFACE(k) (G_TYPE_CHECK_CLASS_CAST((k), EV_TYPE_DOCUMENT, EvDocumentIface)) +#define EV_IS_DOCUMENT(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EV_TYPE_DOCUMENT)) +#define EV_IS_DOCUMENT_IFACE(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EV_TYPE_DOCUMENT)) #define EV_DOCUMENT_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), EV_TYPE_DOCUMENT, EvDocumentIface)) -typedef struct _EvDocument EvDocument; +typedef struct _EvDocument EvDocument; typedef struct _EvDocumentIface EvDocumentIface; typedef struct _EvPageCache EvPageCache; typedef struct _EvPageCacheClass EvPageCacheClass; @@ -50,91 +51,171 @@ typedef struct _EvPageCacheClass EvPageCacheClass; typedef enum { - EV_DOCUMENT_ERROR_INVALID, - EV_DOCUMENT_ERROR_ENCRYPTED + EV_DOCUMENT_ERROR_INVALID, + EV_DOCUMENT_ERROR_ENCRYPTED } EvDocumentError; typedef struct { - double x; - double y; + double x; + double y; } EvPoint; typedef struct { - double x1; - double y1; - double x2; - double y2; + double x1; + double y1; + double x2; + double y2; } EvRectangle; struct _EvDocumentIface { - GTypeInterface base_iface; - - /* Methods */ - gboolean (* load) (EvDocument *document, - const char *uri, - GError **error); - gboolean (* save) (EvDocument *document, - const char *uri, - GError **error); - int (* get_n_pages) (EvDocument *document); - void (* get_page_size) (EvDocument *document, - int page, - double *width, - double *height); - char * (* get_page_label) (EvDocument *document, - int page); - gboolean (* can_get_text) (EvDocument *document); - char * (* get_text) (EvDocument *document, - int page, - EvRectangle *rect); - gboolean (* has_attachments) (EvDocument *document); - GList * (* get_attachments) (EvDocument *document); - GdkPixbuf * (* render_pixbuf) (EvDocument *document, - EvRenderContext *rc); - EvDocumentInfo * (* get_info) (EvDocument *document); + GTypeInterface base_iface; + + /* Methods */ + gboolean (* load) (EvDocument *document, + const char *uri, + GError **error); + gboolean (* save) (EvDocument *document, + const char *uri, + GError **error); + int (* get_n_pages) (EvDocument *document); + EvPage * (* get_page) (EvDocument *document, + gint index); + void (* get_page_size) (EvDocument *document, + EvPage *page, + double *width, + double *height); + char * (* get_page_label) (EvDocument *document, + EvPage *page); + gboolean (* has_attachments) (EvDocument *document); + GList * (* get_attachments) (EvDocument *document); + cairo_surface_t * (* render) (EvDocument *document, + EvRenderContext *rc); + EvDocumentInfo * (* get_info) (EvDocument *document); }; -GType ev_document_get_type (void); -GQuark ev_document_error_quark (void); +GType ev_document_get_type (void) G_GNUC_CONST; +GQuark ev_document_error_quark (void); /* Document mutex */ -GMutex *ev_document_get_doc_mutex (void); -void ev_document_doc_mutex_lock (void); -void ev_document_doc_mutex_unlock (void); +GMutex *ev_document_get_doc_mutex (void); +void ev_document_doc_mutex_lock (void); +void ev_document_doc_mutex_unlock (void); +gboolean ev_document_doc_mutex_trylock(void); /* FontConfig mutex */ -GMutex *ev_document_get_fc_mutex (void); -void ev_document_fc_mutex_lock (void); -void ev_document_fc_mutex_unlock (void); - -EvDocumentInfo *ev_document_get_info (EvDocument *document); -gboolean ev_document_load (EvDocument *document, - const char *uri, - GError **error); -gboolean ev_document_save (EvDocument *document, - const char *uri, - GError **error); -int ev_document_get_n_pages (EvDocument *document); -void ev_document_get_page_size (EvDocument *document, - int page, - double *width, - double *height); -char *ev_document_get_page_label (EvDocument *document, - int page); -gboolean ev_document_can_get_text (EvDocument *document); -char *ev_document_get_text (EvDocument *document, - int page, - EvRectangle *rect); -gboolean ev_document_has_attachments (EvDocument *document); -GList *ev_document_get_attachments (EvDocument *document); -GdkPixbuf *ev_document_render_pixbuf (EvDocument *document, - EvRenderContext *rc); - -gint ev_rect_cmp (EvRectangle *a, - EvRectangle *b); +GMutex *ev_document_get_fc_mutex (void); +void ev_document_fc_mutex_lock (void); +void ev_document_fc_mutex_unlock (void); +gboolean ev_document_fc_mutex_trylock (void); + +EvDocumentInfo *ev_document_get_info (EvDocument *document); +gboolean ev_document_load (EvDocument *document, + const char *uri, + GError **error); +gboolean ev_document_save (EvDocument *document, + const char *uri, + GError **error); +int ev_document_get_n_pages (EvDocument *document); +EvPage *ev_document_get_page (EvDocument *document, + gint index); +void ev_document_get_page_size (EvDocument *document, + EvPage *page, + double *width, + double *height); +char *ev_document_get_page_label (EvDocument *document, + EvPage *page); +gboolean ev_document_has_attachments (EvDocument *document); +GList *ev_document_get_attachments (EvDocument *document); +cairo_surface_t *ev_document_render (EvDocument *document, + EvRenderContext *rc); + +gint ev_rect_cmp (EvRectangle *a, + EvRectangle *b); + +/* convenience macro to ease interface addition in the CODE + * section of EV_BACKEND_REGISTER_WITH_CODE (this macro relies on + * the g_define_type_id present within EV_BACKEND_REGISTER_WITH_CODE()). + * usage example: + * EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document, + * EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, + * pdf_document_document_thumbnails_iface_init)); + */ +#define EV_BACKEND_IMPLEMENT_INTERFACE(TYPE_IFACE, iface_init) { \ + const GInterfaceInfo g_implement_interface_info = { \ + (GInterfaceInitFunc) iface_init, NULL, NULL \ + }; \ + g_type_module_add_interface (module, \ + g_define_type_id, \ + TYPE_IFACE, \ + &g_implement_interface_info); \ +} + +/* + * Utility macro used to register backends + * + * use: EV_BACKEND_REGISTER_WITH_CODE(BackendName, backend_name, CODE) + */ +#define EV_BACKEND_REGISTER_WITH_CODE(BackendName, backend_name, CODE) \ + \ +static GType g_define_type_id = 0; \ + \ +GType \ +backend_name##_get_type (void) \ +{ \ + return g_define_type_id; \ +} \ + \ +static void backend_name##_init (BackendName *self); \ +static void backend_name##_class_init (BackendName##Class *klass); \ +static gpointer backend_name##_parent_class = NULL; \ +static void backend_name##_class_intern_init (gpointer klass) \ +{ \ + backend_name##_parent_class = g_type_class_peek_parent (klass); \ + backend_name##_class_init ((BackendName##Class *) klass); \ +} \ + \ +G_MODULE_EXPORT GType \ +register_evince_backend (GTypeModule *module) \ +{ \ + static const GTypeInfo our_info = { \ + sizeof (BackendName##Class), \ + NULL, /* base_init */ \ + NULL, /* base_finalize */ \ + (GClassInitFunc) backend_name##_class_intern_init, \ + NULL, \ + NULL, /* class_data */ \ + sizeof (BackendName), \ + 0, /* n_preallocs */ \ + (GInstanceInitFunc) backend_name##_init \ + }; \ + \ + /* Initialise the i18n stuff */ \ + bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR); \ + bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); \ + \ + g_define_type_id = g_type_module_register_type (module, \ + G_TYPE_OBJECT, \ + #BackendName, \ + &our_info, \ + (GTypeFlags)0); \ + \ + EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, \ + backend_name##_document_iface_init); \ + \ + CODE \ + \ + return g_define_type_id; \ +} +/* + * Utility macro used to register backend + * + * use: EV_BACKEND_REGISTER(BackendName, backend_name) + */ +#define EV_BACKEND_REGISTER(BackendName, backend_name) \ + EV_BACKEND_REGISTER_WITH_CODE(BackendName, backend_name, ;) G_END_DECLS -#endif +#endif /* EV_DOCUMENT_H */