AC_MSG_RESULT(Antialiasing parameters for Ghostscript: $AA_PARMS)
dnl ======================== End of ggv checks =================================
+dnl ================== tiff checks ===================================================
+AC_ARG_WITH(libtiff,
+ [AC_HELP_STRING([--without-libtiff],
+ [disable TIFF loader for gdk-pixbuf])])
+
+dnl Test for libtiff
+ if test x$with_libtiff != xno && test -z "$LIBTIFF"; then
+ AC_CHECK_LIB(tiff, TIFFReadScanline,
+ [AC_CHECK_HEADER(tiffio.h,
+ TIFF='tiff'; LIBTIFF='-ltiff',
+ AC_MSG_WARN(*** TIFF loader will not be built (TIFF header files not found) ***))],
+ [AC_CHECK_LIB(tiff, TIFFWriteScanline,
+ [AC_CHECK_HEADER(tiffio.h,
+ TIFF='tiff'; LIBTIFF='-ltiff -ljpeg -lz',
+ AC_MSG_WARN(*** TIFF loader will not be built (TIFF header files not found) ***))],
+ [AC_CHECK_LIB(tiff34, TIFFFlushData,
+ [AC_CHECK_HEADER(tiffio.h,
+ TIFF='tiff'; LIBTIFF='-ltiff34 -ljpeg -lz',
+ AC_MSG_WARN(*** TIFF loader will not be built (TIFF header files not found) ***))],
+ AC_MSG_WARN(*** TIFF loader will not be built (TIFF library not found) ***), -ljpeg -lz -lm)], -ljpeg -lz -lm)], -lm)
+ fi
+
+ if test x$with_libtiff != xno && test -z "$LIBTIFF"; then
+ AC_MSG_ERROR([
+*** Checks for TIFF loader failed. You can build without it by passing
+*** --without-libtiff to configure ])
+ fi
+AC_SUBST(LIBTIFF)
+dnl ================== end of tiff checks ============================================
+
dnl ================== djvu checks ===================================================
AC_ARG_ENABLE(djvu,
lib/Makefile
pdf/Makefile
pixbuf/Makefile
+tiff/Makefile
ps/Makefile
djvu/Makefile
dvi/Makefile
--- /dev/null
+
+/* -*- 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: Shoudl probably buffer calls to libtiff with TIFFSetWarningHandler
+ */
+#include "tiffio.h"
+#include "tiff-document.h"
+#include "ev-document-thumbnails.h"
+#include "ev-document-misc.h"
+
+struct _TiffDocumentClass
+{
+ GObjectClass parent_class;
+};
+
+struct _TiffDocument
+{
+ GObject parent_instance;
+
+ TIFF *tiff;
+ gint n_pages;
+};
+
+typedef struct _TiffDocumentClass TiffDocumentClass;
+
+static void tiff_document_document_iface_init (EvDocumentIface *iface);
+static void tiff_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *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);
+ });
+
+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 ();
+ /* FIXME: We could actually load uris */
+ filename = g_filename_from_uri (uri, NULL, error);
+ if (!filename)
+ {
+ pop_handlers ();
+ return FALSE;
+ }
+
+ tiff = TIFFOpen (filename, "r");
+ if (tiff)
+ {
+ guint32 w, h;
+
+ TIFFGetField(tiff, TIFFTAG_IMAGEWIDTH, &w);
+ TIFFGetField(tiff, TIFFTAG_IMAGELENGTH, &h);
+ }
+ if (!tiff)
+ {
+ pop_handlers ();
+ return FALSE;
+ }
+ tiff_document->tiff = tiff;
+
+ pop_handlers ();
+ return TRUE;
+}
+
+static gboolean
+tiff_document_save (EvDocument *document,
+ const char *uri,
+ GError **error)
+{
+ return FALSE;
+}
+
+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;
+ 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);
+
+ *width = w;
+ *height = h;
+ pop_handlers ();
+}
+
+static GdkPixbuf *
+tiff_document_render_pixbuf (EvDocument *document, int page, double scale)
+{
+ TiffDocument *tiff_document = TIFF_DOCUMENT (document);
+ int width, height;
+ GdkPixbuf *pixbuf;
+ GdkPixbuf *scaled_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, page) != 1)
+ {
+ pop_handlers ();
+ return NULL;
+ }
+
+ TIFFGetField (tiff_document->tiff, TIFFTAG_IMAGEWIDTH, &width);
+ TIFFGetField (tiff_document->tiff, TIFFTAG_IMAGELENGTH, &height);
+
+ 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 * scale,
+ height * scale,
+ GDK_INTERP_BILINEAR);
+ g_object_unref (pixbuf);
+
+ return scaled_pixbuf;
+}
+
+static void
+tiff_document_finalize (GObject *object)
+{
+ TiffDocument *tiff_document = TIFF_DOCUMENT (object);
+
+ TIFFClose (tiff_document->tiff);
+
+ 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 size,
+ gboolean border)
+{
+ GdkPixbuf *pixbuf;
+ gdouble w, h;
+
+ tiff_document_get_page_size (EV_DOCUMENT (document),
+ page,
+ &w, &h);
+
+ pixbuf = tiff_document_render_pixbuf (EV_DOCUMENT (document),
+ page,
+ size/w);
+
+ if (border)
+ {
+ GdkPixbuf *tmp_pixbuf = pixbuf;
+ pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, 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;
+}
+
+
+static void
+tiff_document_init (TiffDocument *tiff_document)
+{
+ tiff_document->n_pages = -1;
+}
--- /dev/null
+
+/* pdfdocument.h: Implementation of EvDocument for tiffs
+ * 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.
+ */
+
+#ifndef __TIFF_DOCUMENT_H__
+#define __TIFF_DOCUMENT_H__
+
+#include "ev-document.h"
+
+G_BEGIN_DECLS
+
+#define TIFF_TYPE_DOCUMENT (tiff_document_get_type ())
+#define TIFF_DOCUMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TIFF_TYPE_DOCUMENT, TiffDocument))
+#define TIFF_IS_DOCUMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TIFF_TYPE_DOCUMENT))
+
+typedef struct _TiffDocument TiffDocument;
+
+TiffDocument *tiff_document_new (void);
+GType tiff_document_get_type (void) G_GNUC_CONST;
+
+G_END_DECLS
+
+#endif /* __TIFF_DOCUMENT_H__ */
https://www.fi.muni.cz/~kas/git / evince.git / commitdiff