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authorNickolay V. Shmyrev <nshmyrev@yandex.ru>2007-01-08 12:25:31 (GMT)
committer Nickolay V. Shmyrev <nshmyrev@src.gnome.org>2007-01-08 12:25:31 (GMT)
commit13a06349251874bd35d2f03c3fc93217cee749a2 (patch)
treea681279b008acb19f686ee265aaed2be0da8d9e8 /backend/tiff/tiff-document.c
parentafb550ab779e00918d8fe24742abee3a81ebfe93 (diff)
Reorganize source tree.
2007-01-08 Nickolay V. Shmyrev <nshmyrev@yandex.ru> * 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
Diffstat (limited to 'backend/tiff/tiff-document.c')
-rw-r--r--backend/tiff/tiff-document.c437
1 files changed, 437 insertions, 0 deletions
diff --git a/backend/tiff/tiff-document.c b/backend/tiff/tiff-document.c
new file mode 100644
index 0000000..24af05f
--- /dev/null
+++ b/backend/tiff/tiff-document.c
@@ -0,0 +1,437 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/*
+ * Copyright (C) 2005, Jonathan Blandford <jrb@gnome.org>
+ *
+ * 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.
+ */
+
+/* FIXME: Should probably buffer calls to libtiff with TIFFSetWarningHandler
+ */
+
+#include <stdio.h>
+#include <glib.h>
+
+#include "tiffio.h"
+#include "tiff2ps.h"
+#include "tiff-document.h"
+#include "ev-document-misc.h"
+#include "ev-document-thumbnails.h"
+#include "ev-file-exporter.h"
+
+struct _TiffDocumentClass
+{
+ GObjectClass parent_class;
+};
+
+struct _TiffDocument
+{
+ GObject parent_instance;
+
+ TIFF *tiff;
+ gint n_pages;
+ TIFF2PSContext *ps_export_ctx;
+
+ gchar *uri;
+};
+
+typedef struct _TiffDocumentClass TiffDocumentClass;
+
+static void tiff_document_document_iface_init (EvDocumentIface *iface);
+static void tiff_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
+static void tiff_document_document_file_exporter_iface_init (EvFileExporterIface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (TiffDocument, tiff_document, G_TYPE_OBJECT,
+ { G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
+ tiff_document_document_iface_init);
+ G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
+ tiff_document_document_thumbnails_iface_init);
+ G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
+ tiff_document_document_file_exporter_iface_init);
+ });
+
+static TIFFErrorHandler orig_error_handler = NULL;
+static TIFFErrorHandler orig_warning_handler = NULL;
+
+static void
+push_handlers (void)
+{
+ orig_error_handler = TIFFSetErrorHandler (NULL);
+ orig_warning_handler = TIFFSetWarningHandler (NULL);
+}
+
+static void
+pop_handlers (void)
+{
+ TIFFSetErrorHandler (orig_error_handler);
+ TIFFSetWarningHandler (orig_warning_handler);
+}
+
+static gboolean
+tiff_document_load (EvDocument *document,
+ const char *uri,
+ GError **error)
+{
+ TiffDocument *tiff_document = TIFF_DOCUMENT (document);
+ gchar *filename;
+ TIFF *tiff;
+
+ push_handlers ();
+ filename = g_filename_from_uri (uri, NULL, error);
+ if (!filename)
+ {
+ pop_handlers ();
+ return FALSE;
+ }
+
+ tiff = TIFFOpen (filename, "r");
+ if (tiff)
+ {
+ guint32 w, h;
+ /* FIXME: unused data? why bother here */
+ TIFFGetField(tiff, TIFFTAG_IMAGEWIDTH, &w);
+ TIFFGetField(tiff, TIFFTAG_IMAGELENGTH, &h);
+ }
+ if (!tiff)
+ {
+ pop_handlers ();
+ return FALSE;
+ }
+ tiff_document->tiff = tiff;
+ g_free (tiff_document->uri);
+ g_free (filename);
+ tiff_document->uri = g_strdup (uri);
+
+ pop_handlers ();
+ return TRUE;
+}
+
+static gboolean
+tiff_document_save (EvDocument *document,
+ const char *uri,
+ GError **error)
+{
+ TiffDocument *tiff_document = TIFF_DOCUMENT (document);
+
+ return ev_xfer_uri_simple (tiff_document->uri, uri, error);
+}
+
+static int
+tiff_document_get_n_pages (EvDocument *document)
+{
+ TiffDocument *tiff_document = TIFF_DOCUMENT (document);
+
+ g_return_val_if_fail (TIFF_IS_DOCUMENT (document), 0);
+ g_return_val_if_fail (tiff_document->tiff != NULL, 0);
+
+ if (tiff_document->n_pages == -1)
+ {
+ push_handlers ();
+ tiff_document->n_pages = 0;
+ do
+ {
+ tiff_document->n_pages ++;
+ }
+ while (TIFFReadDirectory (tiff_document->tiff));
+ pop_handlers ();
+ }
+
+ return tiff_document->n_pages;
+}
+
+static void
+tiff_document_get_page_size (EvDocument *document,
+ int page,
+ double *width,
+ double *height)
+{
+ guint32 w, h;
+ gfloat x_res, y_res;
+ TiffDocument *tiff_document = TIFF_DOCUMENT (document);
+
+ g_return_if_fail (TIFF_IS_DOCUMENT (document));
+ g_return_if_fail (tiff_document->tiff != NULL);
+
+ push_handlers ();
+ if (TIFFSetDirectory (tiff_document->tiff, page) != 1)
+ {
+ pop_handlers ();
+ return;
+ }
+
+ TIFFGetField (tiff_document->tiff, TIFFTAG_IMAGEWIDTH, &w);
+ TIFFGetField (tiff_document->tiff, TIFFTAG_IMAGELENGTH, &h);
+ TIFFGetField (tiff_document->tiff, TIFFTAG_XRESOLUTION, &x_res);
+ TIFFGetField (tiff_document->tiff, TIFFTAG_YRESOLUTION, &y_res);
+ h = h * (x_res / y_res);
+
+ *width = w;
+ *height = h;
+
+ pop_handlers ();
+}
+
+static GdkPixbuf *
+tiff_document_render_pixbuf (EvDocument *document,
+ EvRenderContext *rc)
+{
+ TiffDocument *tiff_document = TIFF_DOCUMENT (document);
+ int width, height;
+ float x_res, y_res;
+ gint rowstride, bytes;
+ guchar *pixels = NULL;
+ GdkPixbuf *pixbuf;
+ GdkPixbuf *scaled_pixbuf;
+ GdkPixbuf *rotated_pixbuf;
+
+ g_return_val_if_fail (TIFF_IS_DOCUMENT (document), 0);
+ g_return_val_if_fail (tiff_document->tiff != NULL, 0);
+
+ push_handlers ();
+ if (TIFFSetDirectory (tiff_document->tiff, rc->page) != 1)
+ {
+ pop_handlers ();
+ return NULL;
+ }
+
+ if (!TIFFGetField (tiff_document->tiff, TIFFTAG_IMAGEWIDTH, &width))
+ {
+ pop_handlers ();
+ return NULL;
+ }
+
+ if (! TIFFGetField (tiff_document->tiff, TIFFTAG_IMAGELENGTH, &height))
+ {
+ pop_handlers ();
+ return NULL;
+ }
+
+ if (!TIFFGetField (tiff_document->tiff, TIFFTAG_XRESOLUTION, &x_res))
+ {
+ pop_handlers ();
+ return NULL;
+ }
+
+ if (! TIFFGetField (tiff_document->tiff, TIFFTAG_YRESOLUTION, &y_res))
+ {
+ pop_handlers ();
+ return NULL;
+ }
+
+ pop_handlers ();
+
+ /* Sanity check the doc */
+ if (width <= 0 || height <= 0)
+ return NULL;
+
+ rowstride = width * 4;
+ if (rowstride / 4 != width)
+ /* overflow */
+ return NULL;
+
+ bytes = height * rowstride;
+ if (bytes / rowstride != height)
+ /* overflow */
+ return NULL;
+
+ pixels = g_try_malloc (bytes);
+ if (!pixels)
+ return NULL;
+
+ pixbuf = gdk_pixbuf_new_from_data (pixels, GDK_COLORSPACE_RGB, TRUE, 8,
+ width, height, rowstride,
+ (GdkPixbufDestroyNotify) g_free, NULL);
+
+ pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, width, height);
+ TIFFReadRGBAImageOriented (tiff_document->tiff, width, height, (uint32 *)gdk_pixbuf_get_pixels (pixbuf), ORIENTATION_TOPLEFT, 1);
+ pop_handlers ();
+
+ scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf,
+ width * rc->scale,
+ height * rc->scale * (x_res/y_res),
+ GDK_INTERP_BILINEAR);
+ g_object_unref (pixbuf);
+
+ rotated_pixbuf = gdk_pixbuf_rotate_simple (scaled_pixbuf, 360 - rc->rotation);
+ g_object_unref (scaled_pixbuf);
+
+ return rotated_pixbuf;
+}
+
+static void
+tiff_document_finalize (GObject *object)
+{
+ TiffDocument *tiff_document = TIFF_DOCUMENT (object);
+
+ if (tiff_document->tiff)
+ TIFFClose (tiff_document->tiff);
+ if (tiff_document->uri)
+ g_free (tiff_document->uri);
+
+ G_OBJECT_CLASS (tiff_document_parent_class)->finalize (object);
+}
+
+static void
+tiff_document_class_init (TiffDocumentClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gobject_class->finalize = tiff_document_finalize;
+}
+
+static gboolean
+tiff_document_can_get_text (EvDocument *document)
+{
+ return FALSE;
+}
+
+static EvDocumentInfo *
+tiff_document_get_info (EvDocument *document)
+{
+ EvDocumentInfo *info;
+
+ info = g_new0 (EvDocumentInfo, 1);
+ info->fields_mask = 0;
+
+ return info;
+}
+
+static void
+tiff_document_document_iface_init (EvDocumentIface *iface)
+{
+ iface->load = tiff_document_load;
+ iface->save = tiff_document_save;
+ iface->can_get_text = tiff_document_can_get_text;
+ iface->get_n_pages = tiff_document_get_n_pages;
+ iface->get_page_size = tiff_document_get_page_size;
+ iface->render_pixbuf = tiff_document_render_pixbuf;
+ iface->get_info = tiff_document_get_info;
+}
+
+static GdkPixbuf *
+tiff_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
+ gint page,
+ gint rotation,
+ gint size,
+ gboolean border)
+{
+ EvRenderContext *rc;
+ GdkPixbuf *pixbuf;
+ gdouble w, h;
+
+ tiff_document_get_page_size (EV_DOCUMENT (document),
+ page,
+ &w, &h);
+
+ rc = ev_render_context_new (rotation, page, size/w);
+ pixbuf = tiff_document_render_pixbuf (EV_DOCUMENT (document), rc);
+ g_object_unref (G_OBJECT (rc));
+
+ if (border)
+ {
+ GdkPixbuf *tmp_pixbuf = pixbuf;
+ pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, 0, tmp_pixbuf);
+ g_object_unref (tmp_pixbuf);
+ }
+
+ return pixbuf;
+}
+
+static void
+tiff_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
+ gint page,
+ gint suggested_width,
+ gint *width,
+ gint *height)
+{
+ gdouble page_ratio;
+ gdouble w, h;
+
+ tiff_document_get_page_size (EV_DOCUMENT (document),
+ page,
+ &w, &h);
+ g_return_if_fail (w > 0);
+ page_ratio = h/w;
+ *width = suggested_width;
+ *height = (gint) (suggested_width * page_ratio);
+}
+
+static void
+tiff_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
+{
+ iface->get_thumbnail = tiff_document_thumbnails_get_thumbnail;
+ iface->get_dimensions = tiff_document_thumbnails_get_dimensions;
+}
+
+/* postscript exporter implementation */
+
+static gboolean
+tiff_document_file_exporter_format_supported (EvFileExporter *exporter,
+ EvFileExporterFormat format)
+{
+ return (format == EV_FILE_FORMAT_PS);
+}
+
+static void
+tiff_document_file_exporter_begin (EvFileExporter *exporter,
+ EvFileExporterFormat format,
+ const char *filename,
+ int first_page,
+ int last_page,
+ double width,
+ double height,
+ gboolean duplex)
+{
+ TiffDocument *document = TIFF_DOCUMENT (exporter);
+
+ document->ps_export_ctx = tiff2ps_context_new(filename);
+}
+
+static void
+tiff_document_file_exporter_do_page (EvFileExporter *exporter, EvRenderContext *rc)
+{
+ TiffDocument *document = TIFF_DOCUMENT (exporter);
+
+ if (document->ps_export_ctx == NULL)
+ return;
+ if (TIFFSetDirectory (document->tiff, rc->page) != 1)
+ return;
+ tiff2ps_process_page (document->ps_export_ctx, document->tiff,
+ 0, 0, 0, 0, 0);
+}
+
+static void
+tiff_document_file_exporter_end (EvFileExporter *exporter)
+{
+ TiffDocument *document = TIFF_DOCUMENT (exporter);
+
+ if (document->ps_export_ctx == NULL)
+ return;
+ tiff2ps_context_finalize(document->ps_export_ctx);
+}
+
+static void
+tiff_document_document_file_exporter_iface_init (EvFileExporterIface *iface)
+{
+ iface->format_supported = tiff_document_file_exporter_format_supported;
+ iface->begin = tiff_document_file_exporter_begin;
+ iface->do_page = tiff_document_file_exporter_do_page;
+ iface->end = tiff_document_file_exporter_end;
+}
+
+static void
+tiff_document_init (TiffDocument *tiff_document)
+{
+ tiff_document->n_pages = -1;
+}