mirror of
https://github.com/morgan9e/grd
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90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/*
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* Copyright (C) 2024 Pascal Nowack
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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
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* 02111-1307, USA.
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*/
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#include "config.h"
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#include "grd-image-view-rgb.h"
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struct _GrdImageViewRGB
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{
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GrdImageView parent;
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GrdLocalBuffer *local_buffer;
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GrdImageViewRGBReleaseCallback on_release;
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gpointer on_release_user_data;
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};
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G_DEFINE_TYPE (GrdImageViewRGB, grd_image_view_rgb,
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GRD_TYPE_IMAGE_VIEW)
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GrdLocalBuffer *
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grd_image_view_rgb_get_local_buffer (GrdImageViewRGB *image_view_rgb)
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{
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return image_view_rgb->local_buffer;
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}
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void
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grd_image_view_rgb_attach_local_buffer (GrdImageViewRGB *image_view_rgb,
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GrdLocalBuffer *local_buffer,
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GrdImageViewRGBReleaseCallback callback,
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gpointer user_data)
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{
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g_assert (!image_view_rgb->local_buffer);
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image_view_rgb->local_buffer = local_buffer;
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image_view_rgb->on_release = callback;
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image_view_rgb->on_release_user_data = user_data;
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}
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static void
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grd_image_view_rgb_notify_image_view_release (GrdImageView *image_view)
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{
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GrdImageViewRGB *image_view_rgb = GRD_IMAGE_VIEW_RGB (image_view);
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if (!image_view_rgb->on_release)
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return;
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image_view_rgb->on_release (image_view_rgb->on_release_user_data,
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image_view_rgb->local_buffer);
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image_view_rgb->local_buffer = NULL;
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image_view_rgb->on_release = NULL;
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image_view_rgb->on_release_user_data = NULL;
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}
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GrdImageViewRGB *
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grd_image_view_rgb_new (void)
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{
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return g_object_new (GRD_TYPE_IMAGE_VIEW_RGB, NULL);
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}
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static void
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grd_image_view_rgb_init (GrdImageViewRGB *image_view_rgb)
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{
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}
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static void
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grd_image_view_rgb_class_init (GrdImageViewRGBClass *klass)
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{
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GrdImageViewClass *image_view_class = GRD_IMAGE_VIEW_CLASS (klass);
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image_view_class->notify_image_view_release =
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grd_image_view_rgb_notify_image_view_release;
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}
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