X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=backend%2Fdjvu%2Fdjvu-document.c;h=daf09a5c5b0b2482408508e8cce155ba7c453e92;hb=b1afb3adfd0cbad343abe98986e7aef74b280b89;hp=ad18555960a6332d7720dc2e686b4f9ceb495d64;hpb=13a06349251874bd35d2f03c3fc93217cee749a2;p=evince.git diff --git a/backend/djvu/djvu-document.c b/backend/djvu/djvu-document.c index ad185559..daf09a5c 100644 --- a/backend/djvu/djvu-document.c +++ b/backend/djvu/djvu-document.c @@ -17,20 +17,24 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include "config.h" + +#include #include "djvu-document.h" -#include "djvu-text.h" +#include "djvu-text-page.h" #include "djvu-links.h" #include "djvu-document-private.h" #include "ev-document-thumbnails.h" +#include "ev-file-exporter.h" #include "ev-document-misc.h" #include "ev-document-find.h" #include "ev-document-links.h" +#include "ev-selection.h" +#include "ev-file-helpers.h" -#include -#include -#include -#include -#include +#include +#include +#include #include #define SCALE_FACTOR 0.2 @@ -49,44 +53,101 @@ 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_file_exporter_iface_init (EvFileExporterIface *iface); static void djvu_document_find_iface_init (EvDocumentFindIface *iface); static void djvu_document_document_links_iface_init (EvDocumentLinksIface *iface); +static void djvu_selection_iface_init (EvSelectionIface *iface); -G_DEFINE_TYPE_WITH_CODE - (DjvuDocument, djvu_document, G_TYPE_OBJECT, +EV_BACKEND_REGISTER_WITH_CODE (DjvuDocument, djvu_document, { - 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); + EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, djvu_document_document_thumbnails_iface_init); + EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, djvu_document_file_exporter_iface_init); + EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, djvu_document_find_iface_init); + EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, djvu_document_document_links_iface_init); + EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION, djvu_selection_iface_init); }); -void -djvu_handle_events (DjvuDocument *djvu_document, int wait) +#define EV_DJVU_ERROR ev_djvu_error_quark () + +static GQuark +ev_djvu_error_quark (void) +{ + static GQuark q = 0; + if (q == 0) + q = g_quark_from_string ("ev-djvu-quark"); + + return q; +} + +static void +handle_message (const ddjvu_message_t *msg, GError **error) +{ + switch (msg->m_any.tag) { + case DDJVU_ERROR: { + gchar *error_str; + + if (msg->m_error.filename) { + error_str = g_strdup_printf ("DjvuLibre error: %s:%d", + msg->m_error.filename, + msg->m_error.lineno); + } else { + error_str = g_strdup_printf ("DjvuLibre error: %s", + msg->m_error.message); + } + + if (error) { + g_set_error_literal (error, EV_DJVU_ERROR, 0, error_str); + } else { + g_warning ("%s", error_str); + } + + g_free (error_str); + return; + } + break; + default: + break; + } +} + +void +djvu_handle_events (DjvuDocument *djvu_document, int wait, GError **error) { ddjvu_context_t *ctx = djvu_document->d_context; const ddjvu_message_t *msg; + if (!ctx) return; + if (wait) - msg = ddjvu_message_wait (ctx); + 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; - } + handle_message (msg, error); ddjvu_message_pop (ctx); + if (error && *error) + return; } } +static void +djvu_wait_for_message (DjvuDocument *djvu_document, ddjvu_message_tag_t message, GError **error) +{ + ddjvu_context_t *ctx = djvu_document->d_context; + const ddjvu_message_t *msg; + + ddjvu_message_wait (ctx); + while ((msg = ddjvu_message_peek (ctx)) && (msg->m_any.tag != message)) { + handle_message (msg, error); + ddjvu_message_pop (ctx); + if (error && *error) + return; + } + if (msg && msg->m_any.tag == message) + ddjvu_message_pop (ctx); +} + static gboolean djvu_document_load (EvDocument *document, const char *uri, @@ -95,6 +156,8 @@ djvu_document_load (EvDocument *document, DjvuDocument *djvu_document = DJVU_DOCUMENT (document); ddjvu_document_t *doc; gchar *filename; + gboolean missing_files = FALSE; + GError *djvu_error = NULL; /* FIXME: We could actually load uris */ filename = g_filename_from_uri (uri, NULL, error); @@ -103,18 +166,94 @@ djvu_document_load (EvDocument *document, doc = ddjvu_document_create_by_filename (djvu_document->d_context, filename, TRUE); - if (!doc) return FALSE; + if (!doc) { + g_free (filename); + g_set_error_literal (error, + EV_DOCUMENT_ERROR, + EV_DOCUMENT_ERROR_INVALID, + _("DJVU document has incorrect format")); + 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); + djvu_wait_for_message (djvu_document, DDJVU_DOCINFO, &djvu_error); + if (djvu_error) { + g_set_error_literal (error, + EV_DOCUMENT_ERROR, + EV_DOCUMENT_ERROR_INVALID, + djvu_error->message); + g_error_free (djvu_error); + g_free (filename); + ddjvu_document_release (djvu_document->d_document); + djvu_document->d_document = NULL; + + return FALSE; + } + + if (ddjvu_document_decoding_error (djvu_document->d_document)) + djvu_handle_events (djvu_document, TRUE, &djvu_error); + + if (djvu_error) { + g_set_error_literal (error, + EV_DOCUMENT_ERROR, + EV_DOCUMENT_ERROR_INVALID, + djvu_error->message); + g_error_free (djvu_error); + g_free (filename); + ddjvu_document_release (djvu_document->d_document); + djvu_document->d_document = NULL; + + return FALSE; + } + g_free (djvu_document->uri); djvu_document->uri = g_strdup (uri); + if (ddjvu_document_get_type (djvu_document->d_document) == DDJVU_DOCTYPE_INDIRECT) { + gint n_files; + gint i; + gchar *base; + + base = g_path_get_dirname (filename); + + n_files = ddjvu_document_get_filenum (djvu_document->d_document); + for (i = 0; i < n_files; i++) { + struct ddjvu_fileinfo_s fileinfo; + gchar *file; + + ddjvu_document_get_fileinfo (djvu_document->d_document, + i, &fileinfo); + + if (fileinfo.type != 'P') + continue; + + file = g_build_filename (base, fileinfo.id, NULL); + if (!g_file_test (file, G_FILE_TEST_EXISTS)) { + missing_files = TRUE; + g_free (file); + + break; + } + g_free (file); + } + g_free (base); + } + g_free (filename); + + if (missing_files) { + g_set_error_literal (error, + G_FILE_ERROR, + G_FILE_ERROR_EXIST, + _("The document is composed of several files. " + "One or more of such files cannot be accessed.")); + + return FALSE; + } + return TRUE; } @@ -140,66 +279,112 @@ djvu_document_get_n_pages (EvDocument *document) } static void -djvu_document_get_page_size (EvDocument *document, - int page, - double *width, - double *height) +document_get_page_size (DjvuDocument *djvu_document, + gint page, + double *width, + double *height) { - DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - ddjvu_pageinfo_t info; + 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); - + djvu_handle_events(djvu_document, TRUE, NULL); + if (r >= DDJVU_JOB_FAILED) - djvu_handle_events(djvu_document, TRUE); + djvu_handle_events(djvu_document, TRUE, NULL); *width = info.width * SCALE_FACTOR; *height = info.height * SCALE_FACTOR; } -static GdkPixbuf * -djvu_document_render_pixbuf (EvDocument *document, - EvRenderContext *rc) +static void +djvu_document_get_page_size (EvDocument *document, + EvPage *page, + double *width, + double *height) { DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - GdkPixbuf *pixbuf; - GdkPixbuf *rotated_pixbuf; - + + g_return_if_fail (djvu_document->d_document); + + document_get_page_size (djvu_document, page->index, + width, height); +} + +static cairo_surface_t * +djvu_document_render (EvDocument *document, + EvRenderContext *rc) +{ + DjvuDocument *djvu_document = DJVU_DOCUMENT (document); + cairo_surface_t *surface; + gchar *pixels; + gint rowstride; ddjvu_rect_t rrect; ddjvu_rect_t prect; ddjvu_page_t *d_page; - - double page_width, page_height; + ddjvu_page_rotation_t rotation; + double page_width, page_height, tmp; + static const cairo_user_data_key_t key; - d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, rc->page); + d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, rc->page->index); 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); + djvu_handle_events(djvu_document, TRUE, NULL); - prect.x = 0; prect.y = 0; - prect.w = page_width; prect.h = page_height; + page_width = ddjvu_page_get_width (d_page) * rc->scale * SCALE_FACTOR + 0.5; + page_height = ddjvu_page_get_height (d_page) * rc->scale * SCALE_FACTOR + 0.5; + + switch (rc->rotation) { + case 90: + rotation = DDJVU_ROTATE_90; + tmp = page_height; + page_height = page_width; + page_width = tmp; + + break; + case 180: + rotation = DDJVU_ROTATE_180; + + break; + case 270: + rotation = DDJVU_ROTATE_270; + tmp = page_height; + page_height = page_width; + page_width = tmp; + + break; + default: + rotation = DDJVU_ROTATE_0; + } +#ifdef HAVE_CAIRO_FORMAT_STRIDE_FOR_WIDTH + rowstride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, page_width); +#else + rowstride = page_width * 4; +#endif + pixels = (gchar *) g_malloc (page_height * rowstride); + surface = cairo_image_surface_create_for_data ((guchar *)pixels, + CAIRO_FORMAT_RGB24, + page_width, + page_height, + rowstride); + cairo_surface_set_user_data (surface, &key, + pixels, (cairo_destroy_func_t)g_free); + 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)); + ddjvu_page_set_rotation (d_page, rotation); - rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation); - g_object_unref (pixbuf); - - return rotated_pixbuf; + ddjvu_page_render (d_page, DDJVU_RENDER_COLOR, + &prect, + &rrect, + djvu_document->d_format, + rowstride, + pixels); + + return surface; } static void @@ -209,9 +394,16 @@ djvu_document_finalize (GObject *object) if (djvu_document->d_document) ddjvu_document_release (djvu_document->d_document); + + if (djvu_document->opts) + g_string_free (djvu_document->opts, TRUE); + if (djvu_document->ps_filename) + g_free (djvu_document->ps_filename); + ddjvu_context_release (djvu_document->d_context); ddjvu_format_release (djvu_document->d_format); + ddjvu_format_release (djvu_document->thumbs_format); g_free (djvu_document->uri); G_OBJECT_CLASS (djvu_document_parent_class)->finalize (object); @@ -225,35 +417,6 @@ djvu_document_class_init (DjvuDocumentClass *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) { @@ -269,71 +432,129 @@ 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->render = djvu_document_render; iface->get_info = djvu_document_get_info; } +static gchar * +djvu_text_copy (DjvuDocument *djvu_document, + gint page, + EvRectangle *rectangle) +{ + miniexp_t page_text; + gchar *text = NULL; + + while ((page_text = + ddjvu_document_get_pagetext (djvu_document->d_document, + page, "char")) == miniexp_dummy) + djvu_handle_events (djvu_document, TRUE, NULL); + + 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; +} + +static gchar * +djvu_selection_get_selected_text (EvSelection *selection, + EvRenderContext *rc, + EvSelectionStyle style, + EvRectangle *points) +{ + DjvuDocument *djvu_document = DJVU_DOCUMENT (selection); + double width, height; + EvRectangle rectangle; + gchar *text; + + djvu_document_get_page_size (EV_DOCUMENT (djvu_document), + rc->page, &width, &height); + rectangle.x1 = points->x1 / SCALE_FACTOR; + rectangle.y1 = (height - points->y2) / SCALE_FACTOR; + rectangle.x2 = points->x2 / SCALE_FACTOR; + rectangle.y2 = (height - points->y1) / SCALE_FACTOR; + + text = djvu_text_copy (djvu_document, rc->page->index, &rectangle); + + if (text == NULL) + text = g_strdup (""); + + return text; +} + +static void +djvu_selection_iface_init (EvSelectionIface *iface) +{ + iface->get_selected_text = djvu_selection_get_selected_text; +} + static void djvu_document_thumbnails_get_dimensions (EvDocumentThumbnails *document, - gint page, - gint suggested_width, - gint *width, - gint *height) + EvRenderContext *rc, + gint *width, + gint *height) { DjvuDocument *djvu_document = DJVU_DOCUMENT (document); - gdouble p_width, p_height; - gdouble page_ratio; + gdouble page_width, page_height; - djvu_document_get_page_size (EV_DOCUMENT(djvu_document), page, &p_width, &p_height); + djvu_document_get_page_size (EV_DOCUMENT(djvu_document), rc->page, + &page_width, &page_height); - page_ratio = p_height / p_width; - *width = suggested_width; - *height = (gint) (suggested_width * page_ratio); - - return; + if (rc->rotation == 90 || rc->rotation == 270) { + *width = (gint) (page_height * rc->scale); + *height = (gint) (page_width * rc->scale); + } else { + *width = (gint) (page_width * rc->scale); + *height = (gint) (page_height * rc->scale); + } } static GdkPixbuf * -djvu_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document, - gint page, - gint rotation, - gint width, - gboolean border) +djvu_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document, + EvRenderContext *rc, + gboolean border) { DjvuDocument *djvu_document = DJVU_DOCUMENT (document); GdkPixbuf *pixbuf, *rotated_pixbuf; + gdouble page_width, page_height; gint thumb_width, thumb_height; - guchar *pixels; g_return_val_if_fail (djvu_document->d_document, NULL); + + djvu_document_get_page_size (EV_DOCUMENT(djvu_document), rc->page, + &page_width, &page_height); - djvu_document_thumbnails_get_dimensions (document, page, width, &thumb_width, &thumb_height); - + thumb_width = (gint) (page_width * rc->scale); + thumb_height = (gint) (page_height * rc->scale); + 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); + while (ddjvu_thumbnail_status (djvu_document->d_document, rc->page->index, 1) < DDJVU_JOB_OK) + djvu_handle_events(djvu_document, TRUE, NULL); - ddjvu_thumbnail_render (djvu_document->d_document, page, + ddjvu_thumbnail_render (djvu_document->d_document, rc->page->index, &thumb_width, &thumb_height, - djvu_document->d_format, + djvu_document->thumbs_format, gdk_pixbuf_get_rowstride (pixbuf), (gchar *)pixels); - rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rotation); + rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->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); + + rotated_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, tmp_pixbuf); g_object_unref (tmp_pixbuf); } @@ -347,118 +568,146 @@ djvu_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface) iface->get_dimensions = djvu_document_thumbnails_get_dimensions; } +/* EvFileExporterIface */ static void -djvu_document_init (DjvuDocument *djvu_document) +djvu_document_file_exporter_begin (EvFileExporter *exporter, + EvFileExporterContext *fc) { - 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); + DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter); - djvu_document->d_document = NULL; + if (djvu_document->ps_filename) + g_free (djvu_document->ps_filename); + djvu_document->ps_filename = g_strdup (fc->filename); + + g_string_assign (djvu_document->opts, "-page="); } static void -djvu_document_find_begin (EvDocumentFind *document, - int page, - const char *search_string, - gboolean case_sensitive) +djvu_document_file_exporter_do_page (EvFileExporter *exporter, + EvRenderContext *rc) { - 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); + DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter); + + g_string_append_printf (djvu_document->opts, "%d,", (rc->page->index) + 1); } -static int -djvu_document_find_get_n_results (EvDocumentFind *document_find, int page) +static void +djvu_document_file_exporter_end (EvFileExporter *exporter) { - DjvuText *search = DJVU_DOCUMENT (document_find)->search; + int d_optc = 1; + const char *d_optv[d_optc]; - 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; + DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter); - if (search == NULL) - return FALSE; + FILE *fn = fopen (djvu_document->ps_filename, "w"); + if (fn == NULL) { + g_warning ("Cannot open file “%s”.", djvu_document->ps_filename); + return; + } + + d_optv[0] = djvu_document->opts->str; - r = djvu_text_get_result (search, page, n_result); - if (r == NULL) - return FALSE; + ddjvu_job_t * job = ddjvu_document_print(djvu_document->d_document, fn, d_optc, d_optv); + while (!ddjvu_job_done(job)) { + djvu_handle_events (djvu_document, TRUE, NULL); + } - 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; + fclose(fn); } -static int -djvu_document_find_page_has_results (EvDocumentFind *document_find, - int page) +static EvFileExporterCapabilities +djvu_document_file_exporter_get_capabilities (EvFileExporter *exporter) { - DjvuText *search = DJVU_DOCUMENT (document_find)->search; + return EV_FILE_EXPORTER_CAN_PAGE_SET | + EV_FILE_EXPORTER_CAN_COPIES | + EV_FILE_EXPORTER_CAN_COLLATE | + EV_FILE_EXPORTER_CAN_REVERSE | + EV_FILE_EXPORTER_CAN_GENERATE_PS; +} - return search && djvu_text_has_results (search, page); +static void +djvu_document_file_exporter_iface_init (EvFileExporterIface *iface) +{ + iface->begin = djvu_document_file_exporter_begin; + iface->do_page = djvu_document_file_exporter_do_page; + iface->end = djvu_document_file_exporter_end; + iface->get_capabilities = djvu_document_file_exporter_get_capabilities; } -static double -djvu_document_find_get_progress (EvDocumentFind *document_find) +static void +djvu_document_init (DjvuDocument *djvu_document) { - DjvuText *search = DJVU_DOCUMENT (document_find)->search; + guint masks[4] = { 0xff0000, 0xff00, 0xff, 0xff000000 }; - if (search == NULL) { - return 0; - } + djvu_document->d_context = ddjvu_context_create ("Evince"); + djvu_document->d_format = ddjvu_format_create (DDJVU_FORMAT_RGBMASK32, 4, masks); + ddjvu_format_set_row_order (djvu_document->d_format, 1); + + djvu_document->thumbs_format = ddjvu_format_create (DDJVU_FORMAT_RGB24, 0, 0); + ddjvu_format_set_row_order (djvu_document->thumbs_format, 1); - return djvu_text_get_progress (search); + djvu_document->ps_filename = NULL; + djvu_document->opts = g_string_new (""); + + djvu_document->d_document = NULL; } -static void -djvu_document_find_cancel (EvDocumentFind *document) +static GList * +djvu_document_find_find_text (EvDocumentFind *document, + EvPage *page, + const char *text, + gboolean case_sensitive) { DjvuDocument *djvu_document = DJVU_DOCUMENT (document); + miniexp_t page_text; + gdouble width, height; + GList *matches = NULL, *l; + + g_return_val_if_fail (text != NULL, NULL); + + while ((page_text = ddjvu_document_get_pagetext (djvu_document->d_document, + page->index, + "char")) == miniexp_dummy) + djvu_handle_events (djvu_document, TRUE, NULL); - if (djvu_document->search) { - djvu_text_free (djvu_document->search); - djvu_document->search = NULL; + if (page_text != miniexp_nil) { + DjvuTextPage *tpage = djvu_text_page_new (page_text); + + djvu_text_page_prepare_search (tpage, case_sensitive); + if (tpage->links->len > 0) { + djvu_text_page_search (tpage, text); + matches = tpage->results; + } + djvu_text_page_free (tpage); + ddjvu_miniexp_release (djvu_document->d_document, page_text); + } + + if (!matches) + return NULL; + + document_get_page_size (djvu_document, page->index, &width, &height); + for (l = matches; l && l->data; l = g_list_next (l)) { + EvRectangle *r = (EvRectangle *)l->data; + gdouble tmp; + + tmp = r->y1; + + r->x1 *= SCALE_FACTOR; + r->x2 *= SCALE_FACTOR; + + tmp = r->y1; + r->y1 = height - r->y2 * SCALE_FACTOR; + r->y2 = height - tmp * SCALE_FACTOR; } + + + return matches; } 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; + iface->find_text = djvu_document_find_find_text; } static GList *