overlay_name.hh

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/* SPDX-FileCopyrightText: 2024 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "draw_manager_text.hh"
 
#include "overlay_base.hh"
 
namespace blender::draw::overlay {

class Names : Overlay {
 public:
  void begin_sync(Resources &res, const State &state) final
  {
    enabled_ = state.is_space_v3d() && !res.is_selection();
    enabled_ &= state.show_text;
 
    if (!enabled_) {
      return;
    }
  }
 
  void object_sync(Manager & /*manager*/,
                   const ObjectRef &ob_ref,
                   Resources &res,
                   const State &state) final
  {
    if (!enabled_) {
      return;
    }
 
    Object *ob = ob_ref.object;
 
    if (is_from_dupli_or_set(ob)) {
      return;
    }
 
    if ((ob->dtx & OB_DRAWNAME) == 0) {
      return;
    }
 
    ThemeColorID theme_id = res.object_wire_theme_id(ob_ref, state);
 
    uchar color[4];
    /* Color Management: Exception here as texts are drawn in sRGB space directly. */
    UI_GetThemeColor4ubv(theme_id, color);
 
    DRW_text_cache_add(state.dt,
                       ob->object_to_world().location(),
                       ob->id.name + 2,
                       strlen(ob->id.name + 2),
                       10,
                       0,
                       DRW_TEXT_CACHE_GLOBALSPACE | DRW_TEXT_CACHE_STRING_PTR,
                       color);
  }
};
 
}  // namespace blender::draw::overlay