mirror of https://github.com/GNOME/gimp.git
141 lines
4.2 KiB
C
141 lines
4.2 KiB
C
/* The GIMP -- an image manipulation program
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
*
|
|
* gimpviewrendererbuffer.c
|
|
* Copyright (C) 2004 Michael Natterer <mitch@gimp.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 of the License, 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 "config.h"
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "libgimpwidgets/gimpwidgets.h"
|
|
|
|
#include "widgets-types.h"
|
|
|
|
#include "base/temp-buf.h"
|
|
|
|
#include "core/gimpbuffer.h"
|
|
|
|
#include "gimpviewrendererbuffer.h"
|
|
|
|
|
|
static void gimp_view_renderer_buffer_class_init (GimpViewRendererBufferClass *klass);
|
|
|
|
static void gimp_view_renderer_buffer_render (GimpViewRenderer *renderer,
|
|
GtkWidget *widget);
|
|
|
|
|
|
static GimpViewRendererClass *parent_class = NULL;
|
|
|
|
|
|
GType
|
|
gimp_view_renderer_buffer_get_type (void)
|
|
{
|
|
static GType renderer_type = 0;
|
|
|
|
if (! renderer_type)
|
|
{
|
|
static const GTypeInfo renderer_info =
|
|
{
|
|
sizeof (GimpViewRendererBufferClass),
|
|
NULL, /* base_init */
|
|
NULL, /* base_finalize */
|
|
(GClassInitFunc) gimp_view_renderer_buffer_class_init,
|
|
NULL, /* class_finalize */
|
|
NULL, /* class_data */
|
|
sizeof (GimpViewRendererBuffer),
|
|
0, /* n_preallocs */
|
|
NULL /* instance_init */
|
|
};
|
|
|
|
renderer_type = g_type_register_static (GIMP_TYPE_VIEW_RENDERER,
|
|
"GimpViewRendererBuffer",
|
|
&renderer_info, 0);
|
|
}
|
|
|
|
return renderer_type;
|
|
}
|
|
|
|
static void
|
|
gimp_view_renderer_buffer_class_init (GimpViewRendererBufferClass *klass)
|
|
{
|
|
GimpViewRendererClass *renderer_class = GIMP_VIEW_RENDERER_CLASS (klass);
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
renderer_class->render = gimp_view_renderer_buffer_render;
|
|
}
|
|
|
|
static void
|
|
gimp_view_renderer_buffer_render (GimpViewRenderer *renderer,
|
|
GtkWidget *widget)
|
|
{
|
|
GimpBuffer *buffer;
|
|
gint view_width;
|
|
gint view_height;
|
|
gboolean scaling_up;
|
|
TempBuf *render_buf = NULL;
|
|
|
|
buffer = GIMP_BUFFER (renderer->viewable);
|
|
|
|
gimp_viewable_calc_preview_size (gimp_buffer_get_width (buffer),
|
|
gimp_buffer_get_height (buffer),
|
|
renderer->width,
|
|
renderer->height,
|
|
TRUE, 1.0, 1.0,
|
|
&view_width,
|
|
&view_height,
|
|
&scaling_up);
|
|
|
|
if (scaling_up)
|
|
{
|
|
TempBuf *temp_buf;
|
|
|
|
temp_buf = gimp_viewable_get_new_preview (renderer->viewable,
|
|
gimp_buffer_get_width (buffer),
|
|
gimp_buffer_get_height (buffer));
|
|
|
|
if (temp_buf)
|
|
{
|
|
render_buf = temp_buf_scale (temp_buf, view_width, view_height);
|
|
|
|
temp_buf_free (temp_buf);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
render_buf = gimp_viewable_get_new_preview (renderer->viewable,
|
|
view_width, view_height);
|
|
}
|
|
|
|
if (render_buf)
|
|
{
|
|
gimp_view_renderer_default_render_buffer (renderer, widget, render_buf);
|
|
|
|
temp_buf_free (render_buf);
|
|
}
|
|
else /* no preview available */
|
|
{
|
|
const gchar *stock_id;
|
|
|
|
stock_id = gimp_viewable_get_stock_id (renderer->viewable);
|
|
|
|
gimp_view_renderer_default_render_stock (renderer, widget, stock_id);
|
|
}
|
|
}
|