]> www.fi.muni.cz Git - evince.git/blobdiff - pixbuf/pixbuf-document.c
ooops. Fix ChangeLog. Sorry.
[evince.git] / pixbuf / pixbuf-document.c
index c8efd2d9588d21039dfbb7b60b978ab06b7ab9c8..0aabb55f537d5172eee03589cd0bcaee09cfbdaf 100644 (file)
@@ -1,5 +1,5 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
-/* pixbuf-document.h: Implementation of EvDocument for PIXBUF
+/*
  * Copyright (C) 2004, Anders Carlsson <andersca@gnome.org>
  *
  * This program is free software; you can redistribute it and/or modify
  */
 
 #include "pixbuf-document.h"
+#include "ev-document-thumbnails.h"
+
+enum {
+       PROP_0,
+       PROP_TITLE
+};
 
 struct _PixbufDocumentClass
 {
@@ -30,7 +36,6 @@ struct _PixbufDocument
 
        GdkPixbuf *pixbuf;
        GdkDrawable *target;
-       gdouble scale;
 
        gint x_offset, y_offset;
 };
@@ -38,12 +43,14 @@ struct _PixbufDocument
 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) });
-
-static GObjectClass *parent_class;
+                                                 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,
@@ -70,160 +77,163 @@ pixbuf_document_load (EvDocument  *document,
        return TRUE;
 }
 
-static int
-pixbuf_document_get_n_pages (EvDocument  *document)
-{
-       return 1;
-}
-
-static void
-pixbuf_document_set_page (EvDocument  *document,
-                         int          page)
+static gboolean
+pixbuf_document_save (EvDocument  *document,
+                     const char  *uri,
+                     GError     **error)
 {
-       /* Do nothing */
+       g_warning ("pixbuf_document_save not implemented"); /* FIXME */
+       return TRUE;
 }
 
 static int
-pixbuf_document_get_page (EvDocument  *document)
+pixbuf_document_get_n_pages (EvDocument  *document)
 {
        return 1;
 }
 
 static void
-pixbuf_document_set_target (EvDocument  *document,
-                           GdkDrawable *target)
+pixbuf_document_get_page_size (EvDocument   *document,
+                              int           page,
+                              double       *width,
+                              double       *height)
 {
        PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
 
-       pixbuf_document->target = target;
+       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 void
-pixbuf_document_set_scale (EvDocument  *document,
-                          double       scale)
+static GdkPixbuf*
+pixbuf_document_render_pixbuf (EvDocument  *document, int page, double scale)
 {
        PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
-
-       pixbuf_document->scale = scale;
+       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_set_page_offset (EvDocument  *document,
-                             int          x,
-                             int          y)
+pixbuf_document_finalize (GObject *object)
 {
-       PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+       PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (object);
 
-       pixbuf_document->x_offset = x;
-       pixbuf_document->y_offset = y;
+       g_object_unref (pixbuf_document->pixbuf);
+       
+       G_OBJECT_CLASS (pixbuf_document_parent_class)->finalize (object);
 }
 
 static void
-pixbuf_document_get_page_size (EvDocument   *document,
-                              int          *width,
-                              int          *height)
-{
-       PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+pixbuf_document_set_property (GObject *object,
+                             guint prop_id,
+                             const GValue *value,
+                             GParamSpec *pspec)
+{
+       switch (prop_id)
+       {
+               case PROP_TITLE:
+                       /* read only */
+                       break;
+       }
+}
 
-       *width = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
-       *height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
+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_render (EvDocument  *document,
-                       int          clip_x,
-                       int          clip_y,
-                       int          clip_width,
-                       int          clip_height)
+pixbuf_document_class_init (PixbufDocumentClass *klass)
 {
-       PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+       GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 
-       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);
-       }
+       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_begin_find (EvDocument   *document,
-                           const char   *search_string,
-                           gboolean      case_sensitive)
+static gboolean
+pixbuf_document_can_get_text (EvDocument *document)
 {
-       
+       return FALSE;
 }
 
 static void
-pixbuf_document_end_find (EvDocument   *document)
+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;
 }
 
-static void
-pixbuf_document_finalize (GObject *object)
+static GdkPixbuf *
+pixbuf_document_thumbnails_get_thumbnail (EvDocumentThumbnails   *document,
+                                         gint                    page,
+                                         gint                    size,
+                                         gboolean                border)
 {
-       PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (object);
+       PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+       GdkPixbuf *pixbuf;
+       gdouble scale_factor;
+       gint height;
+       
+       scale_factor = (gdouble)size / gdk_pixbuf_get_width (pixbuf_document->pixbuf);
 
-       g_object_unref (pixbuf_document->pixbuf);
+       height = gdk_pixbuf_get_height (pixbuf_document->pixbuf) * scale_factor;
        
-       G_OBJECT_CLASS (parent_class)->finalize (object);
+       pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf, size, height,
+                                         GDK_INTERP_BILINEAR);
+       
+       return pixbuf;
 }
 
 static void
-pixbuf_document_class_init (PixbufDocumentClass *klass)
+pixbuf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
+                                          gint                  page,
+                                          gint                  suggested_width,
+                                          gint                  *width,
+                                          gint                  *height)
 {
-       GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+       PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+       gdouble page_ratio;
 
-       parent_class = g_type_class_peek_parent (klass);
-       
-       gobject_class->finalize = pixbuf_document_finalize;
+       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_iface_init (EvDocumentIface *iface)
+pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *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;
-        iface->begin_find = pixbuf_document_begin_find;
-        iface->end_find = pixbuf_document_end_find;
+       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->scale = 1.0;
-
-       pixbuf_document->x_offset = 10;
-       pixbuf_document->y_offset = 10;
+       pixbuf_document->x_offset = 0;
+       pixbuf_document->y_offset = 0;
 }