mirror of https://github.com/GNOME/gimp.git
118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/* GIMP - The GNU 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) 2004-2006 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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.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 "core/gimptempbuf.h"
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#include "core/gimpviewable.h"
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#include "gimpviewrendererbuffer.h"
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static void gimp_view_renderer_buffer_render (GimpViewRenderer *renderer,
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GtkWidget *widget);
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G_DEFINE_TYPE (GimpViewRendererBuffer, gimp_view_renderer_buffer,
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GIMP_TYPE_VIEW_RENDERER)
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#define parent_class gimp_view_renderer_buffer_class_init
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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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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_init (GimpViewRendererBuffer *renderer)
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{
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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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gint buffer_width;
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gint buffer_height;
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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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GimpTempBuf *render_buf = NULL;
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gimp_viewable_get_size (renderer->viewable, &buffer_width, &buffer_height);
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gimp_viewable_calc_preview_size (buffer_width,
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buffer_height,
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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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GimpTempBuf *temp_buf;
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temp_buf = gimp_viewable_get_new_preview (renderer->viewable,
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renderer->context,
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buffer_width, buffer_height);
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if (temp_buf)
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{
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render_buf = gimp_temp_buf_scale (temp_buf, view_width, view_height);
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gimp_temp_buf_unref (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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renderer->context,
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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_render_temp_buf_simple (renderer, widget, render_buf);
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gimp_temp_buf_unref (render_buf);
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}
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else /* no preview available */
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{
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const gchar *icon_name;
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icon_name = gimp_viewable_get_icon_name (renderer->viewable);
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gimp_view_renderer_render_icon (renderer, widget, icon_name);
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}
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}
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