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Viewing changes to app/widgets/gimpviewrendererbuffer.c

  • Committer: Bazaar Package Importer
  • Author(s): Daniel Holbach
  • Date: 2005-12-09 19:44:52 UTC
  • Revision ID: james.westby@ubuntu.com-20051209194452-yggpemjlofpjqyf4
Tags: upstream-2.2.9
Import upstream version 2.2.9

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app/widgets/gimpviewrendererbuffer.c
 
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/* The GIMP -- an image manipulation program
 
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 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 
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 *
 
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 * gimpviewrendererbuffer.c
 
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 * Copyright (C) 2004 Michael Natterer <mitch@gimp.org>
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
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 */
 
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#include "config.h"
 
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#include <gtk/gtk.h>
 
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#include "libgimpwidgets/gimpwidgets.h"
 
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#include "widgets-types.h"
 
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#include "base/temp-buf.h"
 
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#include "core/gimpbuffer.h"
 
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#include "gimpviewrendererbuffer.h"
 
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static void   gimp_view_renderer_buffer_class_init (GimpViewRendererBufferClass *klass);
 
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static void   gimp_view_renderer_buffer_render     (GimpViewRenderer *renderer,
 
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                                                    GtkWidget        *widget);
 
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static GimpViewRendererClass *parent_class = NULL;
 
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GType
 
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gimp_view_renderer_buffer_get_type (void)
 
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{
 
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  static GType renderer_type = 0;
 
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  if (! renderer_type)
 
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    {
 
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      static const GTypeInfo renderer_info =
 
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      {
 
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        sizeof (GimpViewRendererBufferClass),
 
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        NULL,           /* base_init */
 
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        NULL,           /* base_finalize */
 
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        (GClassInitFunc) gimp_view_renderer_buffer_class_init,
 
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        NULL,           /* class_finalize */
 
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        NULL,           /* class_data */
 
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        sizeof (GimpViewRendererBuffer),
 
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        0,              /* n_preallocs */
 
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        NULL            /* instance_init */
 
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      };
 
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      renderer_type = g_type_register_static (GIMP_TYPE_VIEW_RENDERER,
 
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                                              "GimpViewRendererBuffer",
 
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                                              &renderer_info, 0);
 
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    }
 
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  return renderer_type;
 
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}
 
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static void
 
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gimp_view_renderer_buffer_class_init (GimpViewRendererBufferClass *klass)
 
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{
 
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  GimpViewRendererClass *renderer_class = GIMP_VIEW_RENDERER_CLASS (klass);
 
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  parent_class = g_type_class_peek_parent (klass);
 
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  renderer_class->render = gimp_view_renderer_buffer_render;
 
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}
 
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static void
 
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gimp_view_renderer_buffer_render (GimpViewRenderer *renderer,
 
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                                  GtkWidget        *widget)
 
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{
 
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  GimpBuffer *buffer;
 
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  gint        view_width;
 
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  gint        view_height;
 
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  gboolean    scaling_up;
 
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  TempBuf    *render_buf = NULL;
 
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  buffer = GIMP_BUFFER (renderer->viewable);
 
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  gimp_viewable_calc_preview_size (gimp_buffer_get_width (buffer),
 
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                                   gimp_buffer_get_height (buffer),
 
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                                   renderer->width,
 
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                                   renderer->height,
 
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                                   TRUE, 1.0, 1.0,
 
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                                   &view_width,
 
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                                   &view_height,
 
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                                   &scaling_up);
 
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  if (scaling_up)
 
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    {
 
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      TempBuf *temp_buf;
 
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      temp_buf = gimp_viewable_get_new_preview (renderer->viewable,
 
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                                                gimp_buffer_get_width (buffer),
 
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                                                gimp_buffer_get_height (buffer));
 
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      if (temp_buf)
 
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        {
 
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          render_buf = temp_buf_scale (temp_buf, view_width, view_height);
 
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          temp_buf_free (temp_buf);
 
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        }
 
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    }
 
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  else
 
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    {
 
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      render_buf = gimp_viewable_get_new_preview (renderer->viewable,
 
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                                                  view_width, view_height);
 
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    }
 
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  if (render_buf)
 
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    {
 
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      gimp_view_renderer_default_render_buffer (renderer, widget, render_buf);
 
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      temp_buf_free (render_buf);
 
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    }
 
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  else /* no preview available */
 
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    {
 
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      const gchar  *stock_id;
 
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      stock_id = gimp_viewable_get_stock_id (renderer->viewable);
 
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      gimp_view_renderer_default_render_stock (renderer, widget, stock_id);
 
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    }
 
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}