From 13a06349251874bd35d2f03c3fc93217cee749a2 Mon Sep 17 00:00:00 2001 From: Nickolay V. Shmyrev Date: Mon, 08 Jan 2007 12:25:31 +0000 Subject: Reorganize source tree. 2007-01-08 Nickolay V. Shmyrev * Makefile.am: * backend/Makefile.am: * backend/comics/Makefile.am: * backend/djvu/Makefile.am: * backend/dvi/Makefile.am: * backend/ev-async-renderer.c: * backend/ev-async-renderer.h: * backend/ev-attachment.c: * backend/ev-attachment.h: * backend/ev-backend-marshal.c: * backend/ev-document-factory.c: * backend/ev-document-factory.h: * backend/ev-document-find.c: * backend/ev-document-find.h: * backend/ev-document-fonts.c: * backend/ev-document-fonts.h: * backend/ev-document-images.c: * backend/ev-document-images.h: * backend/ev-document-info.h: * backend/ev-document-links.c: * backend/ev-document-links.h: * backend/ev-document-misc.c: * backend/ev-document-misc.h: * backend/ev-document-security.c: * backend/ev-document-security.h: * backend/ev-document-thumbnails.c: * backend/ev-document-thumbnails.h: * backend/ev-document-transition.c: * backend/ev-document-transition.h: * backend/ev-document.c: * backend/ev-document.h: * backend/ev-file-exporter.c: * backend/ev-file-exporter.h: * backend/ev-image.c: * backend/ev-image.h: * backend/ev-link-action.c: * backend/ev-link-action.h: * backend/ev-link-dest.c: * backend/ev-link-dest.h: * backend/ev-link.c: * backend/ev-link.h: * backend/ev-render-context.c: * backend/ev-render-context.h: * backend/ev-selection.c: * backend/ev-selection.h: * backend/impress/Makefile.am: * backend/pdf/Makefile.am: * backend/pixbuf/Makefile.am: * backend/ps/Makefile.am: * backend/ps/ps-document.c: (push_pixbuf), (interpreter_failed), (ps_document_widget_event), (setup_pixmap), (setup_page), (input), (start_interpreter), (stop_interpreter), (document_load), (ps_document_next_page), (render_page): * backend/tiff/Makefile.am: * comics/Makefile.am: * comics/comics-document.c: * comics/comics-document.h: * configure.ac: * cut-n-paste/zoom-control/ephy-zoom-control.c: * djvu/Makefile.am: * djvu/djvu-document-private.h: * djvu/djvu-document.c: * djvu/djvu-document.h: * djvu/djvu-links.c: * djvu/djvu-links.h: * djvu/djvu-text-page.c: * djvu/djvu-text-page.h: * djvu/djvu-text.c: * djvu/djvu-text.h: * dvi/Makefile.am: * dvi/dvi-document.c: * dvi/dvi-document.h: * dvi/fonts.c: * dvi/fonts.h: * dvi/mdvi-lib/Makefile.am: * dvi/mdvi-lib/afmparse.c: * dvi/mdvi-lib/afmparse.h: * dvi/mdvi-lib/bitmap.c: * dvi/mdvi-lib/bitmap.h: * dvi/mdvi-lib/color.c: * dvi/mdvi-lib/color.h: * dvi/mdvi-lib/common.c: * dvi/mdvi-lib/common.h: * dvi/mdvi-lib/defaults.h: * dvi/mdvi-lib/dvimisc.c: * dvi/mdvi-lib/dviopcodes.h: * dvi/mdvi-lib/dviread.c: * dvi/mdvi-lib/files.c: * dvi/mdvi-lib/font.c: * dvi/mdvi-lib/fontmap.c: * dvi/mdvi-lib/fontmap.h: * dvi/mdvi-lib/fontsrch.c: * dvi/mdvi-lib/gf.c: * dvi/mdvi-lib/hash.c: * dvi/mdvi-lib/hash.h: * dvi/mdvi-lib/list.c: * dvi/mdvi-lib/mdvi.h: * dvi/mdvi-lib/pagesel.c: * dvi/mdvi-lib/paper.c: * dvi/mdvi-lib/paper.h: * dvi/mdvi-lib/pk.c: * dvi/mdvi-lib/private.h: * dvi/mdvi-lib/setup.c: * dvi/mdvi-lib/sp-epsf.c: * dvi/mdvi-lib/special.c: * dvi/mdvi-lib/sysdeps.h: * dvi/mdvi-lib/t1.c: * dvi/mdvi-lib/tfm.c: * dvi/mdvi-lib/tfmfile.c: * dvi/mdvi-lib/tt.c: * dvi/mdvi-lib/util.c: * dvi/mdvi-lib/vf.c: * dvi/pixbuf-device.c: * dvi/pixbuf-device.h: * impress/Makefile.am: * impress/common.h: * impress/document.c: * impress/f_oasis.c: * impress/f_oo13.c: * impress/iksemel.c: * impress/iksemel.h: * impress/imposter.h: * impress/impress-document.c: * impress/impress-document.h: * impress/internal.h: * impress/r_back.c: * impress/r_draw.c: * impress/r_geometry.c: * impress/r_gradient.c: * impress/r_style.c: * impress/r_text.c: * impress/render.c: * impress/render.h: * impress/zip.c: * impress/zip.h: * lib/Makefile.am: * lib/ev-debug.c: * lib/ev-debug.h: * lib/ev-file-helpers.c: * lib/ev-file-helpers.h: * lib/ev-gui.c: * lib/ev-gui.h: * lib/ev-tooltip.c: * lib/ev-tooltip.h: * libdocument/Makefile.am: * libdocument/ev-file-helpers.c: * pdf/Makefile.am: * pdf/ev-poppler.cc: * pdf/ev-poppler.h: * pixbuf/Makefile.am: * pixbuf/pixbuf-document.c: * pixbuf/pixbuf-document.h: * properties/Makefile.am: * ps/Makefile.am: * ps/gsdefaults.c: * ps/gsdefaults.h: * ps/gsio.c: * ps/gsio.h: * ps/gstypes.h: * ps/ps-document.c: * ps/ps-document.h: * ps/ps.c: * ps/ps.h: * shell/Makefile.am: * shell/ev-application.h: * shell/ev-sidebar-links.c: * shell/ev-sidebar-links.h: * shell/ev-utils.c: (ev_gui_sanitise_popup_position), (ev_gui_menu_position_tree_selection): * shell/ev-utils.h: * shell/ev-view.c: (ev_view_finalize): * shell/ev-window.c: * shell/main.c: (main): * thumbnailer/Makefile.am: * tiff/Makefile.am: * tiff/tiff-document.c: * tiff/tiff-document.h: * tiff/tiff2ps.c: * tiff/tiff2ps.h: Reorganize source tree. svn path=/trunk/; revision=2197 --- (limited to 'djvu') diff --git a/djvu/Makefile.am b/djvu/Makefile.am deleted file mode 100644 index 62b76a5..0000000 --- a/djvu/Makefile.am +++ /dev/null @@ -1,23 +0,0 @@ -INCLUDES = \ - -I$(top_srcdir) \ - -I$(top_srcdir)/backend \ - -I$(top_srcdir)/lib \ - -DGNOMEICONDIR=\""${prefix}/${DATADIRNAME}/pixmaps"\" \ - $(LIB_CFLAGS) \ - $(DJVU_CFLAGS) - -noinst_LTLIBRARIES = libgtkdjvu.la - -libgtkdjvu_la_SOURCES = \ - djvu-document.c \ - djvu-document.h \ - djvu-document-private.h \ - djvu-links.c \ - djvu-links.h \ - djvu-text.c \ - djvu-text.h \ - djvu-text-page.c \ - djvu-text-page.h - - - diff --git a/djvu/djvu-document-private.h b/djvu/djvu-document-private.h deleted file mode 100644 index 3fa579f..0000000 --- a/djvu/djvu-document-private.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Declarations used throughout the djvu classes - * - * Copyright (C) 2006, Michael Hofmann - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __DJVU_DOCUMENT_INTERNAL_H__ -#define __DJVU_DOCUMENT_INTERNAL_H__ - -#include "djvu-document.h" -#include "djvu-text.h" - -#include - -struct _DjvuDocument { - GObject parent_instance; - - ddjvu_context_t *d_context; - ddjvu_document_t *d_document; - ddjvu_format_t *d_format; - - gchar *uri; - - DjvuText *search; -}; - -int djvu_document_get_n_pages (EvDocument *document); -void djvu_handle_events (DjvuDocument *djvu_document, - int wait); - -#endif /* __DJVU_DOCUMENT_INTERNAL_H__ */ diff --git a/djvu/djvu-document.c b/djvu/djvu-document.c deleted file mode 100644 index ad18555..0000000 --- a/djvu/djvu-document.c +++ /dev/null @@ -1,478 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ -/* - * Copyright (C) 2005, Nickolay V. Shmyrev - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include "djvu-document.h" -#include "djvu-text.h" -#include "djvu-links.h" -#include "djvu-document-private.h" -#include "ev-document-thumbnails.h" -#include "ev-document-misc.h" -#include "ev-document-find.h" -#include "ev-document-links.h" - -#include -#include -#include -#include -#include -#include - -#define SCALE_FACTOR 0.2 - -enum { - PROP_0, - PROP_TITLE -}; - -struct _DjvuDocumentClass -{ - GObjectClass parent_class; -}; - -typedef struct _DjvuDocumentClass DjvuDocumentClass; - -static void djvu_document_document_iface_init (EvDocumentIface *iface); -static void djvu_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface); -static void djvu_document_find_iface_init (EvDocumentFindIface *iface); -static void djvu_document_document_links_iface_init (EvDocumentLinksIface *iface); - -G_DEFINE_TYPE_WITH_CODE - (DjvuDocument, djvu_document, G_TYPE_OBJECT, - { - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, djvu_document_document_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, djvu_document_document_thumbnails_iface_init) - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, djvu_document_find_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, djvu_document_document_links_iface_init); - }); - - -void -djvu_handle_events (DjvuDocument *djvu_document, int wait) -{ - ddjvu_context_t *ctx = djvu_document->d_context; - const ddjvu_message_t *msg; - if (!ctx) - return; - if (wait) - msg = ddjvu_message_wait (ctx); - while ((msg = ddjvu_message_peek (ctx))) { - switch (msg->m_any.tag) { - case DDJVU_ERROR: - g_warning ("DjvuLibre error: %s", - msg->m_error.message); - if (msg->m_error.filename) - g_warning ("DjvuLibre error: %s:%d", - msg->m_error.filename, - msg->m_error.lineno); - default: - break; - } - ddjvu_message_pop (ctx); - } -} - -static gboolean -djvu_document_load (EvDocument *document, - const char *uri, - GError **error) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - ddjvu_document_t *doc; - gchar *filename; - - /* FIXME: We could actually load uris */ - filename = g_filename_from_uri (uri, NULL, error); - if (!filename) - return FALSE; - - doc = ddjvu_document_create_by_filename (djvu_document->d_context, filename, TRUE); - - if (!doc) return FALSE; - - if (djvu_document->d_document) - ddjvu_document_release (djvu_document->d_document); - - djvu_document->d_document = doc; - - while (!ddjvu_document_decoding_done (djvu_document->d_document)) - djvu_handle_events(djvu_document, TRUE); - g_free (djvu_document->uri); - djvu_document->uri = g_strdup (uri); - - return TRUE; -} - - -static gboolean -djvu_document_save (EvDocument *document, - const char *uri, - GError **error) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - - return ev_xfer_uri_simple (djvu_document->uri, uri, error); -} - -int -djvu_document_get_n_pages (EvDocument *document) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - - g_return_val_if_fail (djvu_document->d_document, 0); - - return ddjvu_document_get_pagenum (djvu_document->d_document); -} - -static void -djvu_document_get_page_size (EvDocument *document, - int page, - double *width, - double *height) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - ddjvu_pageinfo_t info; - ddjvu_status_t r; - - g_return_if_fail (djvu_document->d_document); - - while ((r = ddjvu_document_get_pageinfo(djvu_document->d_document, page, &info)) < DDJVU_JOB_OK) - djvu_handle_events(djvu_document, TRUE); - - if (r >= DDJVU_JOB_FAILED) - djvu_handle_events(djvu_document, TRUE); - - *width = info.width * SCALE_FACTOR; - *height = info.height * SCALE_FACTOR; -} - -static GdkPixbuf * -djvu_document_render_pixbuf (EvDocument *document, - EvRenderContext *rc) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - GdkPixbuf *pixbuf; - GdkPixbuf *rotated_pixbuf; - - ddjvu_rect_t rrect; - ddjvu_rect_t prect; - ddjvu_page_t *d_page; - - double page_width, page_height; - - d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, rc->page); - - while (!ddjvu_page_decoding_done (d_page)) - djvu_handle_events(djvu_document, TRUE); - - page_width = ddjvu_page_get_width (d_page) * rc->scale * SCALE_FACTOR; - page_height = ddjvu_page_get_height (d_page) * rc->scale * SCALE_FACTOR; - - pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, page_width, page_height); - - prect.x = 0; prect.y = 0; - prect.w = page_width; prect.h = page_height; - rrect = prect; - - ddjvu_page_render(d_page, DDJVU_RENDER_COLOR, - &prect, - &rrect, - djvu_document->d_format, - gdk_pixbuf_get_rowstride (pixbuf), - (gchar *)gdk_pixbuf_get_pixels (pixbuf)); - - rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation); - g_object_unref (pixbuf); - - return rotated_pixbuf; -} - -static void -djvu_document_finalize (GObject *object) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (object); - - if (djvu_document->d_document) - ddjvu_document_release (djvu_document->d_document); - - ddjvu_context_release (djvu_document->d_context); - ddjvu_format_release (djvu_document->d_format); - g_free (djvu_document->uri); - - G_OBJECT_CLASS (djvu_document_parent_class)->finalize (object); -} - -static void -djvu_document_class_init (DjvuDocumentClass *klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - - gobject_class->finalize = djvu_document_finalize; -} - -static gboolean -djvu_document_can_get_text (EvDocument *document) -{ - return TRUE; -} - - -static char * -djvu_document_get_text (EvDocument *document, int page, EvRectangle *rect) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - double width, height; - EvRectangle rectangle; - char* text; - - djvu_document_get_page_size (document, page, &width, &height); - rectangle.x1 = rect->x1 / SCALE_FACTOR; - rectangle.y1 = (height - rect->y2) / SCALE_FACTOR; - rectangle.x2 = rect->x2 / SCALE_FACTOR; - rectangle.y2 = (height - rect->y1) / SCALE_FACTOR; - - text = djvu_text_copy (djvu_document, page, &rectangle); - - if (text == NULL) - text = g_strdup (""); - - return text; -} - -static EvDocumentInfo * -djvu_document_get_info (EvDocument *document) -{ - EvDocumentInfo *info; - - info = g_new0 (EvDocumentInfo, 1); - - return info; -} - -static void -djvu_document_document_iface_init (EvDocumentIface *iface) -{ - iface->load = djvu_document_load; - iface->save = djvu_document_save; - iface->can_get_text = djvu_document_can_get_text; - iface->get_text = djvu_document_get_text; - iface->get_n_pages = djvu_document_get_n_pages; - iface->get_page_size = djvu_document_get_page_size; - iface->render_pixbuf = djvu_document_render_pixbuf; - iface->get_info = djvu_document_get_info; -} - -static void -djvu_document_thumbnails_get_dimensions (EvDocumentThumbnails *document, - gint page, - gint suggested_width, - gint *width, - gint *height) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - gdouble p_width, p_height; - gdouble page_ratio; - - djvu_document_get_page_size (EV_DOCUMENT(djvu_document), page, &p_width, &p_height); - - page_ratio = p_height / p_width; - *width = suggested_width; - *height = (gint) (suggested_width * page_ratio); - - return; -} - -static GdkPixbuf * -djvu_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document, - gint page, - gint rotation, - gint width, - gboolean border) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - GdkPixbuf *pixbuf, *rotated_pixbuf; - gint thumb_width, thumb_height; - - guchar *pixels; - - g_return_val_if_fail (djvu_document->d_document, NULL); - - djvu_document_thumbnails_get_dimensions (document, page, width, &thumb_width, &thumb_height); - - pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, - thumb_width, thumb_height); - gdk_pixbuf_fill (pixbuf, 0xffffffff); - pixels = gdk_pixbuf_get_pixels (pixbuf); - - while (ddjvu_thumbnail_status (djvu_document->d_document, page, 1) < DDJVU_JOB_OK) - djvu_handle_events(djvu_document, TRUE); - - ddjvu_thumbnail_render (djvu_document->d_document, page, - &thumb_width, &thumb_height, - djvu_document->d_format, - gdk_pixbuf_get_rowstride (pixbuf), - (gchar *)pixels); - - rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rotation); - g_object_unref (pixbuf); - - if (border) { - GdkPixbuf *tmp_pixbuf = rotated_pixbuf; - rotated_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, 0, tmp_pixbuf); - g_object_unref (tmp_pixbuf); - } - - return rotated_pixbuf; -} - -static void -djvu_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface) -{ - iface->get_thumbnail = djvu_document_thumbnails_get_thumbnail; - iface->get_dimensions = djvu_document_thumbnails_get_dimensions; -} - -static void -djvu_document_init (DjvuDocument *djvu_document) -{ - djvu_document->d_context = ddjvu_context_create ("Evince"); - djvu_document->d_format = ddjvu_format_create (DDJVU_FORMAT_RGB24, 0, 0); - ddjvu_format_set_row_order (djvu_document->d_format,1); - - djvu_document->d_document = NULL; -} - -static void -djvu_document_find_begin (EvDocumentFind *document, - int page, - const char *search_string, - gboolean case_sensitive) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - - if (djvu_document->search && - strcmp (search_string, djvu_text_get_text (djvu_document->search)) == 0) - return; - - if (djvu_document->search) - djvu_text_free (djvu_document->search); - - djvu_document->search = djvu_text_new (djvu_document, - page, - case_sensitive, - search_string); -} - -static int -djvu_document_find_get_n_results (EvDocumentFind *document_find, int page) -{ - DjvuText *search = DJVU_DOCUMENT (document_find)->search; - - if (search) { - return djvu_text_n_results (search, page); - } else { - return 0; - } -} - -static gboolean -djvu_document_find_get_result (EvDocumentFind *document_find, - int page, - int n_result, - EvRectangle *rectangle) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document_find); - DjvuText *search = djvu_document->search; - EvRectangle *r; - double width, height; - - if (search == NULL) - return FALSE; - - r = djvu_text_get_result (search, page, n_result); - if (r == NULL) - return FALSE; - - djvu_document_get_page_size (EV_DOCUMENT (djvu_document), - page, &width, &height); - rectangle->x1 = r->x1 * SCALE_FACTOR; - rectangle->y1 = height - r->y2 * SCALE_FACTOR; - rectangle->x2 = r->x2 * SCALE_FACTOR; - rectangle->y2 = height - r->y1 * SCALE_FACTOR; - - return TRUE; -} - -static int -djvu_document_find_page_has_results (EvDocumentFind *document_find, - int page) -{ - DjvuText *search = DJVU_DOCUMENT (document_find)->search; - - return search && djvu_text_has_results (search, page); -} - -static double -djvu_document_find_get_progress (EvDocumentFind *document_find) -{ - DjvuText *search = DJVU_DOCUMENT (document_find)->search; - - if (search == NULL) { - return 0; - } - - return djvu_text_get_progress (search); -} - -static void -djvu_document_find_cancel (EvDocumentFind *document) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - - if (djvu_document->search) { - djvu_text_free (djvu_document->search); - djvu_document->search = NULL; - } -} - -static void -djvu_document_find_iface_init (EvDocumentFindIface *iface) -{ - iface->begin = djvu_document_find_begin; - iface->get_n_results = djvu_document_find_get_n_results; - iface->get_result = djvu_document_find_get_result; - iface->page_has_results = djvu_document_find_page_has_results; - iface->get_progress = djvu_document_find_get_progress; - iface->cancel = djvu_document_find_cancel; -} - -static GList * -djvu_document_links_get_links (EvDocumentLinks *document_links, - gint page) -{ - return djvu_links_get_links (document_links, page, SCALE_FACTOR); -} - -static void -djvu_document_document_links_iface_init (EvDocumentLinksIface *iface) -{ - iface->has_document_links = djvu_links_has_document_links; - iface->get_links_model = djvu_links_get_links_model; - iface->get_links = djvu_document_links_get_links; - iface->find_link_dest = djvu_links_find_link_dest; -} diff --git a/djvu/djvu-document.h b/djvu/djvu-document.h deleted file mode 100644 index 402f476..0000000 --- a/djvu/djvu-document.h +++ /dev/null @@ -1,38 +0,0 @@ -/* djvu-document.h: Implementation of EvDocument for djvu documents - * Copyright (C) 2005, Nickolay V. Shmyrev - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __DJVU_DOCUMENT_H__ -#define __DJVU_DOCUMENT_H__ - -#include "ev-document.h" - -G_BEGIN_DECLS - -#define DJVU_TYPE_DOCUMENT (djvu_document_get_type ()) -#define DJVU_DOCUMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), DJVU_TYPE_DOCUMENT, DjvuDocument)) -#define DJVU_IS_DOCUMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), DJVU_TYPE_DOCUMENT)) - -typedef struct _DjvuDocument DjvuDocument; - -DjvuDocument *djvu_document_new (void); - -GType djvu_document_get_type (void) G_GNUC_CONST; - -G_END_DECLS - -#endif /* __DJVU_DOCUMENT_H__ */ diff --git a/djvu/djvu-links.c b/djvu/djvu-links.c deleted file mode 100644 index 38fad0d..0000000 --- a/djvu/djvu-links.c +++ /dev/null @@ -1,393 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ -/* - * Implements hyperlink functionality for Djvu files. - * Copyright (C) 2006 Pauli Virtanen - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include "djvu-document.h" -#include "djvu-links.h" -#include "djvu-document-private.h" -#include "ev-document-links.h" - -#include -#include -#include -#include - -static gboolean number_from_miniexp(miniexp_t sexp, int *number) -{ - if (miniexp_numberp (sexp)) { - *number = miniexp_to_int (sexp); - return TRUE; - } else { - return FALSE; - } -} - -static gboolean string_from_miniexp(miniexp_t sexp, const char **str) -{ - if (miniexp_stringp (sexp)) { - *str = miniexp_to_str (sexp); - return TRUE; - } else { - return FALSE; - } -} - -static gboolean number_from_string_10(const gchar *str, guint64 *number) -{ - gchar *end_ptr; - - *number = g_ascii_strtoull(str, &end_ptr, 10); - if (*end_ptr == '\0') { - return TRUE; - } else { - return FALSE; - } -} - -static EvLinkDest * -get_djvu_link_dest (const DjvuDocument *djvu_document, const gchar *link_name, int base_page) -{ - guint64 page_num = 0; - gchar *end_ptr; - - /* #pagenum, #+pageoffset, #-pageoffset */ - if (g_str_has_prefix (link_name, "#")) { - if (base_page > 0 && g_str_has_prefix (link_name+1, "+")) { - if (number_from_string_10 (link_name + 2, &page_num)) { - return ev_link_dest_new_page (base_page + page_num); - } - } else if (base_page > 0 && g_str_has_prefix (link_name+1, "-")) { - if (number_from_string_10 (link_name + 2, &page_num)) { - return ev_link_dest_new_page (base_page - page_num); - } - } else { - if (number_from_string_10 (link_name + 1, &page_num)) { - return ev_link_dest_new_page (page_num - 1); - } - } - } else { - /* FIXME: component file identifiers */ - } - - return NULL; -} - -static EvLinkAction * -get_djvu_link_action (const DjvuDocument *djvu_document, const gchar *link_name, int base_page) -{ - EvLinkDest *ev_dest = NULL; - EvLinkAction *ev_action = NULL; - - ev_dest = get_djvu_link_dest (djvu_document, link_name, base_page); - - if (ev_dest) { - ev_action = ev_link_action_new_dest (ev_dest); - } else if (strstr(link_name, "://") != NULL) { - /* It's probably an URI */ - ev_action = ev_link_action_new_external_uri (link_name); - } else { - /* FIXME: component file identifiers */ - } - - return ev_action; -} - -/** - * Builds the index GtkTreeModel from DjVu s-expr - * - * (bookmarks - * ("title1" "dest1" - * ("title12" "dest12" - * ... ) - * ... ) - * ("title2" "dest2" - * ... ) - * ... ) - */ -static void -build_tree (const DjvuDocument *djvu_document, - GtkTreeModel *model, - GtkTreeIter *parent, - miniexp_t iter) -{ - const char *title, *link_dest; - char *title_markup; - - EvLinkAction *ev_action = NULL; - EvLink *ev_link = NULL; - GtkTreeIter tree_iter; - - if (miniexp_car (iter) == miniexp_symbol ("bookmarks")) { - /* The (bookmarks) cons */ - iter = miniexp_cdr (iter); - } else if ( miniexp_length (iter) >= 2 ) { - /* An entry */ - if (!string_from_miniexp (miniexp_car (iter), &title)) goto unknown_entry; - if (!string_from_miniexp (miniexp_cadr (iter), &link_dest)) goto unknown_entry; - - title_markup = g_markup_escape_text (title, -1); - ev_action = get_djvu_link_action (djvu_document, link_dest, -1); - - if (g_str_has_suffix (link_dest, ".djvu")) { - /* FIXME: component file identifiers */ - } else if (ev_action) { - ev_link = ev_link_new (title, ev_action); - gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent); - gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter, - EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup, - EV_DOCUMENT_LINKS_COLUMN_LINK, ev_link, - EV_DOCUMENT_LINKS_COLUMN_EXPAND, FALSE, - -1); - g_object_unref (ev_link); - } else { - gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent); - gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter, - EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup, - EV_DOCUMENT_LINKS_COLUMN_EXPAND, FALSE, - -1); - } - - g_free (title_markup); - - iter = miniexp_cddr (iter); - parent = &tree_iter; - } else { - goto unknown_entry; - } - - for (; iter != miniexp_nil; iter = miniexp_cdr (iter)) { - build_tree (djvu_document, model, parent, miniexp_car (iter)); - } - return; - - unknown_entry: - g_warning ("DjvuLibre error: Unknown entry in bookmarks"); - return; -} - -static gboolean -get_djvu_hyperlink_area (ddjvu_pageinfo_t *page_info, - miniexp_t sexp, - EvLinkMapping *ev_link_mapping) -{ - miniexp_t iter; - ddjvu_pageinfo_t info; - - iter = sexp; - - if ((miniexp_car (iter) == miniexp_symbol ("rect") || miniexp_car (iter) == miniexp_symbol ("oval")) - && miniexp_length (iter) == 5) { - /* FIXME: get bounding box for (oval) since Evince doesn't support shaped links */ - int minx, miny, width, height; - - iter = miniexp_cdr (iter); - if (!number_from_miniexp (miniexp_car (iter), &minx)) goto unknown_link; - iter = miniexp_cdr (iter); - if (!number_from_miniexp (miniexp_car (iter), &miny)) goto unknown_link; - iter = miniexp_cdr (iter); - if (!number_from_miniexp (miniexp_car (iter), &width)) goto unknown_link; - iter = miniexp_cdr (iter); - if (!number_from_miniexp (miniexp_car (iter), &height)) goto unknown_link; - - ev_link_mapping->x1 = minx; - ev_link_mapping->x2 = (minx + width); - ev_link_mapping->y1 = (page_info->height - (miny + height)); - ev_link_mapping->y2 = (page_info->height - miny); - } else if (miniexp_car (iter) == miniexp_symbol ("poly") - && miniexp_length (iter) >= 5 && miniexp_length (iter) % 2 == 1) { - - /* FIXME: get bounding box since Evince doesn't support shaped links */ - int minx = G_MAXINT, miny = G_MAXINT; - int maxx = G_MININT, maxy = G_MININT; - - iter = miniexp_cdr(iter); - while (iter != miniexp_nil) { - int x, y; - - if (!number_from_miniexp (miniexp_car(iter), &x)) goto unknown_link; - iter = miniexp_cdr (iter); - if (!number_from_miniexp (miniexp_car(iter), &y)) goto unknown_link; - iter = miniexp_cdr (iter); - - minx = MIN (minx, x); - miny = MIN (miny, y); - maxx = MAX (maxx, x); - maxy = MAX (maxy, y); - } - - ev_link_mapping->x1 = minx; - ev_link_mapping->x2 = maxx; - ev_link_mapping->y1 = (page_info->height - maxy); - ev_link_mapping->y2 = (page_info->height - miny); - } else { - /* unknown */ - goto unknown_link; - } - - return TRUE; - - unknown_link: - g_warning("DjvuLibre error: Unknown hyperlink area %s", miniexp_to_name(miniexp_car(sexp))); - return FALSE; -} - -static EvLinkMapping * -get_djvu_hyperlink_mapping (DjvuDocument *djvu_document, - int page, - ddjvu_pageinfo_t *page_info, - miniexp_t sexp) -{ - EvLinkMapping *ev_link_mapping = NULL; - EvLinkAction *ev_action = NULL; - miniexp_t iter; - const char *url, *url_target, *comment; - - ev_link_mapping = g_new (EvLinkMapping, 1); - - iter = sexp; - - if (miniexp_car (iter) != miniexp_symbol ("maparea")) goto unknown_mapping; - - iter = miniexp_cdr(iter); - - if (miniexp_caar(iter) == miniexp_symbol("url")) { - if (!string_from_miniexp (miniexp_cadr (miniexp_car (iter)), &url)) goto unknown_mapping; - if (!string_from_miniexp (miniexp_caddr (miniexp_car (iter)), &url_target)) goto unknown_mapping; - } else { - if (!string_from_miniexp (miniexp_car(iter), &url)) goto unknown_mapping; - url_target = NULL; - } - - iter = miniexp_cdr (iter); - if (!string_from_miniexp (miniexp_car(iter), &comment)) goto unknown_mapping; - - iter = miniexp_cdr (iter); - if (!get_djvu_hyperlink_area (page_info, miniexp_car(iter), ev_link_mapping)) goto unknown_mapping; - - iter = miniexp_cdr (iter); - /* FIXME: DjVu hyperlink attributes are ignored */ - - ev_action = get_djvu_link_action (djvu_document, url, page); - if (!ev_action) goto unknown_mapping; - - ev_link_mapping->link = ev_link_new (comment, ev_action); - - return ev_link_mapping; - - unknown_mapping: - if (ev_link_mapping) g_free(ev_link_mapping); - g_warning("DjvuLibre error: Unknown hyperlink %s", miniexp_to_name(miniexp_car(sexp))); - return NULL; -} - - -gboolean -djvu_links_has_document_links (EvDocumentLinks *document_links) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links); - miniexp_t outline; - - while ((outline = ddjvu_document_get_outline (djvu_document->d_document)) == miniexp_dummy) - djvu_handle_events (djvu_document, TRUE); - - if (outline) { - ddjvu_miniexp_release (djvu_document->d_document, outline); - return TRUE; - } - - return FALSE; -} - -GList * -djvu_links_get_links (EvDocumentLinks *document_links, - gint page, - double scale_factor) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links); - GList *retval = NULL; - miniexp_t page_annotations = miniexp_nil; - miniexp_t *hyperlinks = NULL, *iter = NULL; - EvLinkMapping *ev_link_mapping; - ddjvu_pageinfo_t page_info; - - while ((page_annotations = ddjvu_document_get_pageanno (djvu_document->d_document, page)) == miniexp_dummy) - djvu_handle_events (djvu_document, TRUE); - - while (ddjvu_document_get_pageinfo (djvu_document->d_document, page, &page_info) < DDJVU_JOB_OK) - djvu_handle_events(djvu_document, TRUE); - - if (page_annotations) { - hyperlinks = ddjvu_anno_get_hyperlinks (page_annotations); - if (hyperlinks) { - for (iter = hyperlinks; *iter; ++iter) { - ev_link_mapping = get_djvu_hyperlink_mapping (djvu_document, page, &page_info, *iter); - if (ev_link_mapping) { - ev_link_mapping->x1 *= scale_factor; - ev_link_mapping->x2 *= scale_factor; - ev_link_mapping->y1 *= scale_factor; - ev_link_mapping->y2 *= scale_factor; - retval = g_list_prepend (retval, ev_link_mapping); - } - } - free (hyperlinks); - } - ddjvu_miniexp_release (djvu_document->d_document, page_annotations); - } - - return retval; -} - -EvLinkDest * -djvu_links_find_link_dest (EvDocumentLinks *document_links, - const gchar *link_name) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links); - EvLinkDest *ev_dest = NULL; - - ev_dest = get_djvu_link_dest (DJVU_DOCUMENT (document_links), link_name, -1); - - if (!ev_dest) { - g_warning ("DjvuLibre error: unknown link destination %s", link_name); - } - - return ev_dest; -} - -GtkTreeModel * -djvu_links_get_links_model (EvDocumentLinks *document_links) -{ - DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links); - GtkTreeModel *model = NULL; - miniexp_t outline = miniexp_nil; - - while ((outline = ddjvu_document_get_outline (djvu_document->d_document)) == miniexp_dummy) - djvu_handle_events (djvu_document, TRUE); - - if (outline) { - model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS, - G_TYPE_STRING, - G_TYPE_OBJECT, - G_TYPE_BOOLEAN); - build_tree (djvu_document, model, NULL, outline); - - ddjvu_miniexp_release (djvu_document->d_document, outline); - } - - return model; -} diff --git a/djvu/djvu-links.h b/djvu/djvu-links.h deleted file mode 100644 index fdbfdeb..0000000 --- a/djvu/djvu-links.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Copyright (C) 2006 Pauli Virtanen - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __DJVU_LINK_H__ -#define __DJVU_LINK_H__ - -#include "ev-document-links.h" -#include "djvu-document.h" - -#include - -GtkTreeModel *djvu_links_get_links_model (EvDocumentLinks *document_links); -GList *djvu_links_get_links (EvDocumentLinks *document_links, - gint page, - double scale_factor); -EvLinkDest *djvu_links_find_link_dest (EvDocumentLinks *document_links, - const gchar *link_name); -gboolean djvu_links_has_document_links (EvDocumentLinks *document_links); - -#endif /* __DJVU_LINK_H__ */ diff --git a/djvu/djvu-text-page.c b/djvu/djvu-text-page.c deleted file mode 100644 index c19d6f6..0000000 --- a/djvu/djvu-text-page.c +++ /dev/null @@ -1,444 +0,0 @@ -/* - * Implements search and copy functionality for Djvu files. - * Copyright (C) 2006 Michael Hofmann - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include "djvu-text-page.h" - -#include - -/** - * djvu_text_page_selection_process: - * @page: #DjvuTextPage instance - * @p: s-expression to append - * @delimit: character/word/... delimiter - * - * Appends the string in @p to the page text. - * - * Returns: whether the end was not reached in this s-expression - */ -static gboolean -djvu_text_page_selection_process (DjvuTextPage *page, - miniexp_t p, - int delimit) -{ - if (page->text || p == page->start) { - char *token_text = (char *) miniexp_to_str (miniexp_nth (5, p)); - if (page->text) { - char *new_text = - g_strjoin (delimit & 2 ? "\n" : - delimit & 1 ? " " : NULL, - page->text, token_text, - NULL); - g_free (page->text); - page->text = new_text; - } else - page->text = g_strdup (token_text); - if (p == page->end) - return FALSE; - } - return TRUE; -} - -/** - * djvu_text_page_selection: - * @page: #DjvuTextPage instance - * @p: tree to append - * @delimit: character/word/... delimiter - * - * Walks the tree in @p and appends the text with - * djvu_text_page_selection_process() for all s-expressions - * between the start and end fields. - * - * Returns: whether the end was not reached in this subtree - */ -static gboolean -djvu_text_page_selection (DjvuTextPage *page, - miniexp_t p, - int delimit) -{ - g_return_val_if_fail (miniexp_consp (p) && miniexp_symbolp - (miniexp_car (p)), FALSE); - - if (miniexp_car (p) != page->char_symbol) - delimit |= miniexp_car (p) == page->word_symbol ? 1 : 2; - - miniexp_t deeper = miniexp_cddr (miniexp_cdddr (p)); - while (deeper != miniexp_nil) { - miniexp_t str = miniexp_car (deeper); - if (miniexp_stringp (str)) { - if (!djvu_text_page_selection_process - (page, p, delimit)) - return FALSE; - } else { - if (!djvu_text_page_selection - (page, str, delimit)) - return FALSE; - } - delimit = 0; - deeper = miniexp_cdr (deeper); - } - return TRUE; -} - -static void -djvu_text_page_limits_process (DjvuTextPage *page, - miniexp_t p, - EvRectangle *rect) -{ - EvRectangle current; - - current.x1 = miniexp_to_int (miniexp_nth (1, p)); - current.y1 = miniexp_to_int (miniexp_nth (2, p)); - current.x2 = miniexp_to_int (miniexp_nth (3, p)); - current.y2 = miniexp_to_int (miniexp_nth (4, p)); - if (current.x2 >= rect->x1 && current.y1 <= rect->y2 && - current.x1 <= rect->x2 && current.y2 >= rect->y1) { - if (page->start == miniexp_nil) - page->start = p; - page->end = p; - } -} - - -static void -djvu_text_page_limits (DjvuTextPage *page, - miniexp_t p, - EvRectangle *rect) -{ - char *token_text; - - g_return_if_fail (miniexp_consp (p) && - miniexp_symbolp (miniexp_car (p))); - - miniexp_t deeper = miniexp_cddr (miniexp_cdddr (p)); - while (deeper != miniexp_nil) { - miniexp_t str = miniexp_car (deeper); - if (miniexp_stringp (str)) - djvu_text_page_limits_process (page, p, rect); - else - djvu_text_page_limits (page, str, rect); - - deeper = miniexp_cdr (deeper); - } -} - -char * -djvu_text_page_copy (DjvuTextPage *page, - EvRectangle *rectangle) -{ - char* text; - - page->start = miniexp_nil; - page->end = miniexp_nil; - djvu_text_page_limits (page, page->text_structure, rectangle); - djvu_text_page_selection (page, page->text_structure, 0); - - /* Do not free the string */ - text = page->text; - page->text = NULL; - - return text; -} - -/** - * djvu_text_page_position: - * @page: #DjvuTextPage instance - * @position: index in the page text - * - * Returns the closest s-expression that contains the given position in - * the page text. - * - * Returns: closest s-expression - */ -static miniexp_t -djvu_text_page_position (DjvuTextPage *page, - int position) -{ - GArray *links = page->links; - int low = 0; - int hi = links->len - 1; - int mid = 0; - - g_return_val_if_fail (hi >= 0, miniexp_nil); - - /* Shamelessly copied from GNU classpath */ - while (low <= hi) { - mid = (low + hi) >> 1; - DjvuTextLink *link = - &g_array_index (links, DjvuTextLink, mid); - if (link->position == position) - break; - else if (link->position > position) - hi = --mid; - else - low = mid + 1; - } - - return g_array_index (page->links, DjvuTextLink, mid).pair; -} - -/** - * djvu_text_page_union: - * @target: first rectangle and result - * @source: second rectangle - * - * Calculates the bounding box of two rectangles and stores the reuslt - * in the first. - */ -static void -djvu_text_page_union (EvRectangle *target, - EvRectangle *source) -{ - if (source->x1 < target->x1) - target->x1 = source->x1; - if (source->x2 > target->x2) - target->x2 = source->x2; - if (source->y1 < target->y1) - target->y1 = source->y1; - if (source->y2 > target->y2) - target->y2 = source->y2; -} - -/** - * djvu_text_page_sexpr_process: - * @page: #DjvuTextPage instance - * @p: s-expression to append - * @start: first s-expression in the selection - * @end: last s-expression in the selection - * - * Appends the rectangle defined by @p to the internal bounding box rectangle. - * - * Returns: whether the end was not reached in this s-expression - */ -static gboolean -djvu_text_page_sexpr_process (DjvuTextPage *page, - miniexp_t p, - miniexp_t start, - miniexp_t end) -{ - if (page->bounding_box || p == start) { - EvRectangle *new_rectangle = g_new (EvRectangle, 1); - new_rectangle->x1 = miniexp_to_int (miniexp_nth (1, p)); - new_rectangle->y1 = miniexp_to_int (miniexp_nth (2, p)); - new_rectangle->x2 = miniexp_to_int (miniexp_nth (3, p)); - new_rectangle->y2 = miniexp_to_int (miniexp_nth (4, p)); - if (page->bounding_box) { - djvu_text_page_union (page->bounding_box, - new_rectangle); - g_free (new_rectangle); - } else - page->bounding_box = new_rectangle; - if (p == end) - return FALSE; - } - return TRUE; -} - -/** - * djvu_text_page_sexpr: - * @page: #DjvuTextPage instance - * @p: tree to append - * @start: first s-expression in the selection - * @end: last s-expression in the selection - * - * Walks the tree in @p and extends the rectangle with - * djvu_text_page_process() for all s-expressions between @start and @end. - * - * Returns: whether the end was not reached in this subtree - */ -static gboolean -djvu_text_page_sexpr (DjvuTextPage *page, - miniexp_t p, - miniexp_t start, - miniexp_t end) -{ - g_return_val_if_fail (miniexp_consp (p) && miniexp_symbolp - (miniexp_car (p)), FALSE); - - miniexp_t deeper = miniexp_cddr (miniexp_cdddr (p)); - while (deeper != miniexp_nil) { - miniexp_t str = miniexp_car (deeper); - if (miniexp_stringp (str)) { - if (!djvu_text_page_sexpr_process - (page, p, start, end)) - return FALSE; - } else { - if (!djvu_text_page_sexpr - (page, str, start, end)) - return FALSE; - } - deeper = miniexp_cdr (deeper); - } - return TRUE; -} - -/** - * djvu_text_page_box: - * @page: #DjvuTextPage instance - * @start: first s-expression in the selection - * @end: last s-expression in the selection - * - * Builds a rectangle that contains all s-expressions in the given range. - */ -static EvRectangle * -djvu_text_page_box (DjvuTextPage *page, - miniexp_t start, - miniexp_t end) -{ - page->bounding_box = NULL; - djvu_text_page_sexpr (page, page->text_structure, start, end); - return page->bounding_box; -} - -/** - * djvu_text_page_append_search: - * @page: #DjvuTextPage instance - * @p: tree to append - * @case_sensitive: do not ignore case - * @delimit: insert spaces because of higher (sentence/paragraph/...) break - * - * Appends the tree in @p to the internal text string. - */ -static void -djvu_text_page_append_text (DjvuTextPage *page, - miniexp_t p, - gboolean case_sensitive, - gboolean delimit) -{ - char *token_text; - - g_return_if_fail (miniexp_consp (p) && - miniexp_symbolp (miniexp_car (p))); - - delimit |= page->char_symbol != miniexp_car (p); - - miniexp_t deeper = miniexp_cddr (miniexp_cdddr (p)); - while (deeper != miniexp_nil) { - miniexp_t data = miniexp_car (deeper); - if (miniexp_stringp (data)) { - DjvuTextLink link; - link.position = page->text == NULL ? 0 : - strlen (page->text); - link.pair = p; - g_array_append_val (page->links, link); - - token_text = (char *) miniexp_to_str (data); - if (!case_sensitive) - token_text = g_utf8_casefold (token_text, -1); - if (page->text == NULL) - page->text = g_strdup (token_text); - else { - char *new_text = - g_strjoin (delimit ? " " : NULL, - page->text, token_text, - NULL); - g_free (page->text); - page->text = new_text; - } - if (!case_sensitive) - g_free (token_text); - } else - djvu_text_page_append_text (page, data, - case_sensitive, delimit); - delimit = FALSE; - deeper = miniexp_cdr (deeper); - } -} - -/** - * djvu_text_page_search: - * @page: #DjvuTextPage instance - * @text: text to search - * - * Searches the page for the given text. The results list has to be - * externally freed afterwards. - */ -void -djvu_text_page_search (DjvuTextPage *page, - char *text) -{ - char *haystack = page->text; - int search_len; - EvRectangle *result; - if (page->links->len == 0) - return; - - search_len = strlen (text); - while ((haystack = strstr (haystack, text)) != NULL) { - int start_p = haystack - page->text; - miniexp_t start = djvu_text_page_position (page, start_p); - int end_p = start_p + search_len - 1; - miniexp_t end = djvu_text_page_position (page, end_p); - result = djvu_text_page_box (page, start, end); - g_assert (result); - page->results = g_list_prepend (page->results, result); - haystack = haystack + search_len; - } - page->results = g_list_reverse (page->results); -} - - -/** - * djvu_text_page_prepare_search: - * @page: #DjvuTextPage instance - * @case_sensitive: do not ignore case - * - * Indexes the page text and prepares the page for subsequent searches. - */ -void -djvu_text_page_prepare_search (DjvuTextPage *page, - gboolean case_sensitive) -{ - djvu_text_page_append_text (page, page->text_structure, - case_sensitive, FALSE); -} - -/** - * djvu_text_page_new: - * @text: S-expression of the page text - * - * Creates a new page to search. - * - * Returns: new #DjvuTextPage instance - */ -DjvuTextPage * -djvu_text_page_new (miniexp_t text) -{ - DjvuTextPage *page; - - page = g_new0 (DjvuTextPage, 1); - page->links = g_array_new (FALSE, FALSE, sizeof (DjvuTextLink)); - page->char_symbol = miniexp_symbol ("char"); - page->word_symbol = miniexp_symbol ("word"); - page->text_structure = text; - return page; -} - -/** - * djvu_text_page_free: - * @page: #DjvuTextPage instance - * - * Frees the given #DjvuTextPage instance. - */ -void -djvu_text_page_free (DjvuTextPage *page) -{ - g_free (page->text); - g_array_free (page->links, TRUE); - g_free (page); -} diff --git a/djvu/djvu-text-page.h b/djvu/djvu-text-page.h deleted file mode 100644 index db53326..0000000 --- a/djvu/djvu-text-page.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Copyright (C) 2006 Michael Hofmann - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __DJVU_TEXT_PAGE_H__ -#define __DJVU_TEXT_PAGE_H__ - -#include "ev-document.h" - -#include -#include - -#include - -typedef struct _DjvuTextPage DjvuTextPage; -typedef struct _DjvuTextLink DjvuTextLink; - -struct _DjvuTextPage { - char *text; - GArray *links; - GList *results; - miniexp_t char_symbol; - miniexp_t word_symbol; - EvRectangle *bounding_box; - miniexp_t text_structure; - miniexp_t start; - miniexp_t end; -}; - -struct _DjvuTextLink { - int position; - miniexp_t pair; -}; - -char * djvu_text_page_copy (DjvuTextPage *page, - EvRectangle *rectangle); -void djvu_text_page_prepare_search (DjvuTextPage *page, - gboolean case_sensitive); -void djvu_text_page_search (DjvuTextPage *page, - char *text); -DjvuTextPage* djvu_text_page_new (miniexp_t text); -void djvu_text_page_free (DjvuTextPage *page); - -#endif /* __DJVU_TEXT_PAGE_H__ */ - diff --git a/djvu/djvu-text.c b/djvu/djvu-text.c deleted file mode 100644 index beaac6b..0000000 --- a/djvu/djvu-text.c +++ /dev/null @@ -1,298 +0,0 @@ -/* - * Implements search and copy functionality for Djvu files. - * Copyright (C) 2006 Michael Hofmann - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include "djvu-document-private.h" -#include "djvu-document.h" -#include "djvu-text.h" -#include "djvu-text-page.h" -#include "ev-document-find.h" -#include "ev-document.h" - -#include -#include - -struct _DjvuText { - DjvuDocument *document; - gboolean case_sensitive; - char *text; - GList **pages; - guint idle; - int start_page; - int search_page; -}; - -/** - * djvu_text_idle_callback: - * @data: #DjvuText instance - * - * Idle callback that processes one page at a time. - * - * Returns: whether there are more pages to be processed - */ -static gboolean -djvu_text_idle_callback (void *data) -{ - DjvuText *djvu_text = (DjvuText *) data; - DjvuDocument *djvu_document = djvu_text->document; - int n_pages; - miniexp_t page_text; - - ev_document_doc_mutex_lock (); - while ((page_text = - ddjvu_document_get_pagetext (djvu_document->d_document, - djvu_text->search_page, - "char")) == miniexp_dummy) - djvu_handle_events (djvu_document, TRUE); - - if (page_text != miniexp_nil) { - DjvuTextPage *page = djvu_text_page_new (page_text); - djvu_text_page_prepare_search (page, djvu_text->case_sensitive); - if (page->links->len > 0) { - djvu_text_page_search (page, djvu_text->text); - djvu_text->pages[djvu_text->search_page] = page->results; - ev_document_find_changed (EV_DOCUMENT_FIND - (djvu_document), - djvu_text->search_page); - } - djvu_text_page_free (page); - ddjvu_miniexp_release (djvu_document->d_document, - page_text); - } - ev_document_doc_mutex_unlock (); - - n_pages = - djvu_document_get_n_pages (EV_DOCUMENT (djvu_text->document)); - djvu_text->search_page += 1; - if (djvu_text->search_page == n_pages) { - /* wrap around */ - djvu_text->search_page = 0; - } - - if (djvu_text->search_page != djvu_text->start_page) - return TRUE; - - /* We're done. */ - djvu_text->idle = 0; - /* will return FALSE to remove */ - return FALSE; -} - -/** - * djvu_text_new: - * @djvu_document: document to search - * @start_page: first page to search - * @case_sensitive: uses g_utf8_case_fold() to enable case-insensitive - * searching - * @text: text to search - * - * Creates a new #DjvuText instance to enable searching. An idle call - * is used to process all pages starting from @start_page. - * - * Returns: newly created instance - */ -DjvuText * -djvu_text_new (DjvuDocument *djvu_document, - int start_page, - gboolean case_sensitive, - const char *text) -{ - DjvuText *djvu_text; - int n_pages; - int i; - - n_pages = djvu_document_get_n_pages (EV_DOCUMENT (djvu_document)); - - djvu_text = g_new0 (DjvuText, 1); - - if (case_sensitive) - djvu_text->text = g_strdup (text); - else - djvu_text->text = g_utf8_casefold (text, -1); - djvu_text->pages = g_new0 (GList *, n_pages); - for (i = 0; i < n_pages; i++) { - djvu_text->pages[i] = NULL; - } - - djvu_text->document = djvu_document; - - /* We add at low priority so the progress bar repaints */ - djvu_text->idle = g_idle_add_full (G_PRIORITY_LOW, - djvu_text_idle_callback, - djvu_text, NULL); - - djvu_text->case_sensitive = case_sensitive; - djvu_text->start_page = start_page; - djvu_text->search_page = start_page; - - return djvu_text; -} - -/** - * djvu_text_copy: - * @djvu_document: document to search - * @page: page to search - * @rectangle: rectangle to copy - * - * Copies and returns the text in the given rectangle. - * - * Returns: newly allocated text or NULL of none is available - */ -char * -djvu_text_copy (DjvuDocument *djvu_document, - int page, - EvRectangle *rectangle) -{ - miniexp_t page_text; - char* text = NULL; - - while ((page_text = - ddjvu_document_get_pagetext (djvu_document->d_document, - page, "char")) == miniexp_dummy) - djvu_handle_events (djvu_document, TRUE); - - if (page_text != miniexp_nil) { - DjvuTextPage *page = djvu_text_page_new (page_text); - text = djvu_text_page_copy (page, rectangle); - djvu_text_page_free (page); - ddjvu_miniexp_release (djvu_document->d_document, page_text); - } - - return text; -} - -/** - * djvu_text_free: - * @djvu_text: instance to free - * - * Frees the given #DjvuText instance. - */ -void djvu_text_free (DjvuText * djvu_text) -{ - DjvuDocument *djvu_document = djvu_text->document; - int n_pages; - int i; - - if (djvu_text->idle != 0) - g_source_remove (djvu_text->idle); - - n_pages = djvu_document_get_n_pages (EV_DOCUMENT (djvu_document)); - for (i = 0; i < n_pages; i++) { - g_list_foreach (djvu_text->pages[i], (GFunc) g_free, NULL); - g_list_free (djvu_text->pages[i]); - } - - g_free (djvu_text->text); -} - -/** - * djvu_text_get_text: - * @djvu_text: #DjvuText instance - * - * Returns the search text. This is mainly to be able to avoid reinstantiation - * for the same search text. - * - * Returns: the text this instance of #DjvuText is looking for - */ -const char * -djvu_text_get_text (DjvuText *djvu_text) -{ - return djvu_text->text; -} - -/** - * djvu_text_n_results: - * @djvu_text: #DjvuText instance - * @page: page number - * - * Returns the number of search results available for the given page. - * - * Returns: number of search results - */ -int -djvu_text_n_results (DjvuText *djvu_text, - int page) -{ - return g_list_length (djvu_text->pages[page]); -} - -/** - * djvu_text_has_results: - * @djvu_text: #DjvuText instance - * @page: page number - * - * Returns whether there are search results available for the given page. - * This method executes faster than djvu_text_n_results(). - * - * Returns: whether there are search results - */ -int -djvu_text_has_results (DjvuText *djvu_text, - int page) -{ - return djvu_text->pages[page] != NULL; -} - -/** - * djvu_text_get_result: - * @djvu_text: #DjvuText instance - * @page: page number - * @n_result: result number - * - * Returns the n-th search result of a given page. The coordinates are - * Djvu-specific and need to be processed to be compatible with the Evince - * coordinate system. The result may span several lines! - * - * Returns: the rectangle for the search result - */ -EvRectangle * -djvu_text_get_result (DjvuText *djvu_text, - int page, - int n_result) -{ - return (EvRectangle *) g_list_nth_data (djvu_text->pages[page], - n_result); -} - -/** - * djvu_text_get_progress: - * @djvu_text: #DjvuText instance - * - * Returns the percentage of pages done searching. - * - * Returns: the progress as value between 0 and 1 - */ -double -djvu_text_get_progress (DjvuText *djvu_text) -{ - int pages_done; - int n_pages; - - n_pages = - djvu_document_get_n_pages (EV_DOCUMENT (djvu_text->document)); - if (djvu_text->search_page > djvu_text->start_page) { - pages_done = djvu_text->search_page - djvu_text->start_page + 1; - } else if (djvu_text->search_page == djvu_text->start_page) { - pages_done = n_pages; - } else { - pages_done = - n_pages - djvu_text->start_page + djvu_text->search_page; - } - return pages_done / (double) n_pages; -} - diff --git a/djvu/djvu-text.h b/djvu/djvu-text.h deleted file mode 100644 index 0f99643..0000000 --- a/djvu/djvu-text.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Copyright (C) 2006 Michael Hofmann - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __DJVU_TEXT_H__ -#define __DJVU_TEXT_H__ - -#include "ev-document.h" - -#include -#include -#include - -typedef struct _DjvuText DjvuText; - -DjvuText *djvu_text_new (DjvuDocument *djvu_document, - int start_page, - gboolean case_sensitive, - const char *text); -const char *djvu_text_get_text (DjvuText *djvu_text); -int djvu_text_n_results (DjvuText *djvu_text, - int page); -EvRectangle *djvu_text_get_result (DjvuText *djvu_text, - int page, - int n_result); -int djvu_text_has_results (DjvuText *djvu_text, - int page); -double djvu_text_get_progress (DjvuText *djvu_text); -char *djvu_text_copy (DjvuDocument *djvu_document, - int page, - EvRectangle *rectangle); - -#endif /* __DJVU_TEXT_H__ */ -- cgit v0.9.1