+++ /dev/null
-/* -*- 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"
-
-enum {
- PROP_0,
- PROP_TITLE
-};
-
-struct _PixbufDocumentClass
-{
- GObjectClass parent_class;
-};
-
-struct _PixbufDocument
-{
- GObject parent_instance;
-
- GdkPixbuf *pixbuf;
- GdkDrawable *target;
- gdouble scale;
-
- 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 GObjectClass *parent_class;
-
-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 int
-pixbuf_document_get_n_pages (EvDocument *document)
-{
- return 1;
-}
-
-static void
-pixbuf_document_set_page (EvDocument *document,
- int page)
-{
- /* Do nothing */
-}
-
-static int
-pixbuf_document_get_page (EvDocument *document)
-{
- return 1;
-}
-
-static void
-pixbuf_document_set_target (EvDocument *document,
- GdkDrawable *target)
-{
- PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
-
- pixbuf_document->target = target;
-}
-
-static void
-pixbuf_document_set_scale (EvDocument *document,
- double scale)
-{
- PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
-
- pixbuf_document->scale = scale;
-}
-
-static void
-pixbuf_document_set_page_offset (EvDocument *document,
- int x,
- int y)
-{
- PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
-
- pixbuf_document->x_offset = x;
- pixbuf_document->y_offset = y;
-}
-
-static void
-pixbuf_document_get_page_size (EvDocument *document,
- int *width,
- int *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);
-}
-
-static void
-pixbuf_document_render (EvDocument *document,
- int clip_x,
- int clip_y,
- int clip_width,
- int clip_height)
-{
- PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
-
- if (pixbuf_document->scale == 1.0) {
- gdk_draw_pixbuf (pixbuf_document->target, NULL, pixbuf_document->pixbuf,
- clip_x, clip_y,
- clip_x, clip_y,
- clip_width, clip_height, GDK_RGB_DITHER_NORMAL,
- 0, 0);
- }
- else {
- GdkPixbuf *tmp_pixbuf;
-
- tmp_pixbuf = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (pixbuf_document->pixbuf),
- gdk_pixbuf_get_has_alpha (pixbuf_document->pixbuf),
- gdk_pixbuf_get_bits_per_sample (pixbuf_document->pixbuf),
- clip_width, clip_height);
-
- gdk_pixbuf_scale (pixbuf_document->pixbuf, tmp_pixbuf, 0, 0, clip_width, clip_height,
- clip_x * pixbuf_document->scale,
- clip_y * pixbuf_document->scale,
- pixbuf_document->scale, pixbuf_document->scale,
- GDK_INTERP_BILINEAR);
-
- gdk_draw_pixbuf (pixbuf_document->target, NULL, tmp_pixbuf,
- 0, 0,
- clip_x + pixbuf_document->x_offset,
- clip_y + pixbuf_document->y_offset,
- clip_width, clip_height, GDK_RGB_DITHER_NORMAL,
- 0, 0);
-
- g_object_unref (tmp_pixbuf);
- }
-}
-
-static void
-pixbuf_document_finalize (GObject *object)
-{
- PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (object);
-
- g_object_unref (pixbuf_document->pixbuf);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static void
-pixbuf_document_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- switch (prop_id)
- {
- case PROP_TITLE:
- /* read only */
- break;
- }
-}
-
-static void
-pixbuf_document_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- switch (prop_id)
- {
- case PROP_TITLE:
- g_value_set_string (value, NULL);
- break;
- }
-}
-
-static void
-pixbuf_document_class_init (PixbufDocumentClass *klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-
- parent_class = g_type_class_peek_parent (klass);
-
- gobject_class->finalize = pixbuf_document_finalize;
- gobject_class->get_property = pixbuf_document_get_property;
- gobject_class->set_property = pixbuf_document_set_property;
-
- g_object_class_override_property (gobject_class, PROP_TITLE, "title");
-}
-
-static void
-pixbuf_document_document_iface_init (EvDocumentIface *iface)
-{
- iface->load = pixbuf_document_load;
- iface->get_n_pages = pixbuf_document_get_n_pages;
- iface->set_page = pixbuf_document_set_page;
- iface->get_page = pixbuf_document_get_page;
- iface->set_scale = pixbuf_document_set_scale;
- iface->set_target = pixbuf_document_set_target;
- iface->set_page_offset = pixbuf_document_set_page_offset;
- iface->get_page_size = pixbuf_document_get_page_size;
- iface->render = pixbuf_document_render;
-}
-
-static GdkPixbuf *
-pixbuf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
- gint page,
- gint width)
-{
- PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
- GdkPixbuf *pixbuf;
- gdouble scale_factor;
- gint height;
-
- scale_factor = (gdouble)width / 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, width, height,
- GDK_INTERP_BILINEAR);
-
- return pixbuf;
-}
-
-
-static void
-pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
-{
- iface->get_thumbnail = pixbuf_document_thumbnails_get_thumbnail;
-}
-
-
-static void
-pixbuf_document_init (PixbufDocument *pixbuf_document)
-{
- pixbuf_document->scale = 1.0;
-
- pixbuf_document->x_offset = 10;
- pixbuf_document->y_offset = 10;
-}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff