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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpviewrendererbuffer.c
* Copyright (C) 2004-2006 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimptempbuf.h"
#include "core/gimpviewable.h"
#include "gimpviewrendererbuffer.h"
static void gimp_view_renderer_buffer_render (GimpViewRenderer *renderer,
GtkWidget *widget);
G_DEFINE_TYPE (GimpViewRendererBuffer, gimp_view_renderer_buffer,
GIMP_TYPE_VIEW_RENDERER)
#define parent_class gimp_view_renderer_buffer_class_init
static void
gimp_view_renderer_buffer_class_init (GimpViewRendererBufferClass *klass)
{
GimpViewRendererClass *renderer_class = GIMP_VIEW_RENDERER_CLASS (klass);
renderer_class->render = gimp_view_renderer_buffer_render;
}
static void
gimp_view_renderer_buffer_init (GimpViewRendererBuffer *renderer)
{
}
static void
gimp_view_renderer_buffer_render (GimpViewRenderer *renderer,
GtkWidget *widget)
{
gint buffer_width;
gint buffer_height;
gint view_width;
gint view_height;
gboolean scaling_up;
GimpTempBuf *render_buf = NULL;
gimp_viewable_get_size (renderer->viewable, &buffer_width, &buffer_height);
gimp_viewable_calc_preview_size (buffer_width,
buffer_height,
renderer->width,
renderer->height,
TRUE, 1.0, 1.0,
&view_width,
&view_height,
&scaling_up);
if (scaling_up)
{
GimpTempBuf *temp_buf;
temp_buf = gimp_viewable_get_new_preview (renderer->viewable,
renderer->context,
buffer_width, buffer_height);
if (temp_buf)
{
render_buf = gimp_temp_buf_scale (temp_buf, view_width, view_height);
gimp_temp_buf_unref (temp_buf);
}
}
else
{
render_buf = gimp_viewable_get_new_preview (renderer->viewable,
renderer->context,
view_width, view_height);
}
if (render_buf)
{
gimp_view_renderer_render_temp_buf_simple (renderer, widget, render_buf);
gimp_temp_buf_unref (render_buf);
}
else /* no preview available */
{
const gchar *icon_name;
icon_name = gimp_viewable_get_icon_name (renderer->viewable);
gimp_view_renderer_render_icon (renderer, widget, icon_name);
}
}
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