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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
/*
* Copyright (C) 2004, Anders Carlsson <andersca@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.
*/
#include "pixbuf-document.h"
#include "ev-document-thumbnails.h"
struct _PixbufDocumentClass
{
GObjectClass parent_class;
};
struct _PixbufDocument
{
GObject parent_instance;
GdkPixbuf *pixbuf;
GdkDrawable *target;
gint x_offset, y_offset;
};
typedef struct _PixbufDocumentClass PixbufDocumentClass;
static void pixbuf_document_document_iface_init (EvDocumentIface *iface);
static void pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
G_DEFINE_TYPE_WITH_CODE (PixbufDocument, pixbuf_document, G_TYPE_OBJECT,
{ G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
pixbuf_document_document_iface_init);
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
pixbuf_document_document_thumbnails_iface_init)
});
static gboolean
pixbuf_document_load (EvDocument *document,
const char *uri,
GError **error)
{
PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
gchar *filename;
GdkPixbuf *pixbuf;
/* FIXME: We could actually load uris */
filename = g_filename_from_uri (uri, NULL, error);
if (!filename)
return FALSE;
pixbuf = gdk_pixbuf_new_from_file (filename, error);
if (!pixbuf)
return FALSE;
pixbuf_document->pixbuf = pixbuf;
return TRUE;
}
static gboolean
pixbuf_document_save (EvDocument *document,
const char *uri,
GError **error)
{
g_warning ("pixbuf_document_save not implemented"); /* FIXME */
return TRUE;
}
static int
pixbuf_document_get_n_pages (EvDocument *document)
{
return 1;
}
static void
pixbuf_document_get_page_size (EvDocument *document,
int page,
double *width,
double *height)
{
PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
if (width)
*width = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
if (height)
*height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
printf ("get_page_size, page=%d, *width=%f, *height=%f\n",
page, *width, *height);
}
static GdkPixbuf*
pixbuf_document_render_pixbuf (EvDocument *document, int page, double scale)
{
PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
return gdk_pixbuf_scale_simple (pixbuf_document->pixbuf,
gdk_pixbuf_get_width (pixbuf_document->pixbuf) * scale,
gdk_pixbuf_get_height (pixbuf_document->pixbuf) * scale,
GDK_INTERP_BILINEAR);
}
static void
pixbuf_document_finalize (GObject *object)
{
PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (object);
g_object_unref (pixbuf_document->pixbuf);
G_OBJECT_CLASS (pixbuf_document_parent_class)->finalize (object);
}
static void
pixbuf_document_class_init (PixbufDocumentClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = pixbuf_document_finalize;
}
static gboolean
pixbuf_document_can_get_text (EvDocument *document)
{
return FALSE;
}
static EvDocumentInfo *
pixbuf_document_get_info (EvDocument *document)
{
EvDocumentInfo *info;
info = g_new0 (EvDocumentInfo, 1);
info->fields_mask = 0;
return info;
}
static void
pixbuf_document_document_iface_init (EvDocumentIface *iface)
{
iface->load = pixbuf_document_load;
iface->save = pixbuf_document_save;
iface->can_get_text = pixbuf_document_can_get_text;
iface->get_n_pages = pixbuf_document_get_n_pages;
iface->get_page_size = pixbuf_document_get_page_size;
iface->render_pixbuf = pixbuf_document_render_pixbuf;
iface->get_info = pixbuf_document_get_info;
}
static GdkPixbuf *
pixbuf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
gint page,
gint size,
gboolean border)
{
PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
GdkPixbuf *pixbuf;
gdouble scale_factor;
gint height;
scale_factor = (gdouble)size / gdk_pixbuf_get_width (pixbuf_document->pixbuf);
height = gdk_pixbuf_get_height (pixbuf_document->pixbuf) * scale_factor;
pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf, size, height,
GDK_INTERP_BILINEAR);
return pixbuf;
}
static void
pixbuf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
gint page,
gint suggested_width,
gint *width,
gint *height)
{
PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
gdouble page_ratio;
page_ratio = ((double)gdk_pixbuf_get_height (pixbuf_document->pixbuf)) /
gdk_pixbuf_get_width (pixbuf_document->pixbuf);
*width = suggested_width;
*height = (gint) (suggested_width * page_ratio);
}
static void
pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
{
iface->get_thumbnail = pixbuf_document_thumbnails_get_thumbnail;
iface->get_dimensions = pixbuf_document_thumbnails_get_dimensions;
}
static void
pixbuf_document_init (PixbufDocument *pixbuf_document)
{
pixbuf_document->x_offset = 0;
pixbuf_document->y_offset = 0;
}
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