overlay_next_image.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "overlay_next_private.hh"
 
namespace blender::draw::overlay {
 
class Images {
 
 public:
  static eStereoViews images_stereo_eye(const Scene *scene, const View3D *v3d)
  {
    if ((scene->r.scemode & R_MULTIVIEW) == 0) {
      return STEREO_LEFT_ID;
    }
    if (v3d->stereo3d_camera != STEREO_3D_ID) {
      /* show only left or right camera */
      return eStereoViews(v3d->stereo3d_camera);
    }
 
    return eStereoViews(v3d->multiview_eye);
  }
 
  static void stereo_setup(const Scene *scene, const View3D *v3d, ::Image *ima, ImageUser *iuser)
  {
    if (BKE_image_is_stereo(ima)) {
      iuser->flag |= IMA_SHOW_STEREO;
      iuser->multiview_eye = images_stereo_eye(scene, v3d);
      BKE_image_multiview_index(ima, iuser);
    }
    else {
      iuser->flag &= ~IMA_SHOW_STEREO;
    }
  }
};
 
}  // namespace blender::draw::overlay