Cppcheck - HTML report - Godot - branch: master, commit: 216b3302f318c32a5dcf250293d90e47e712e8e9 (2024-12-22)

/**************************************************************************/
/*  canvas_item.cpp                                                       */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
/* the following conditions:                                              */
/*                                                                        */
/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
/*                                                                        */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
/**************************************************************************/

#include "canvas_item.h"
#include "canvas_item.compat.inc"

#include "scene/2d/canvas_group.h"
#include "scene/main/canvas_layer.h"
#include "scene/main/window.h"
#include "scene/resources/atlas_texture.h"
#include "scene/resources/canvas_item_material.h"
#include "scene/resources/font.h"
#include "scene/resources/multimesh.h"
#include "scene/resources/style_box.h"
#include "scene/resources/world_2d.h"

#define ERR_DRAW_GUARD \
	ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside this node's `_draw()`, functions connected to its `draw` signal, or when it receives NOTIFICATION_DRAW.")

#ifdef DEBUG_ENABLED
bool CanvasItem::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
	if (_edit_use_rect()) {
		return _edit_get_rect().has_point(p_point);
	} else {
		return p_point.length() < p_tolerance;
	}
}
#endif // DEBUG_ENABLED

#ifdef TOOLS_ENABLED
Transform2D CanvasItem::_edit_get_transform() const {
	return Transform2D(_edit_get_rotation(), _edit_get_position() + _edit_get_pivot());
}
#endif //TOOLS_ENABLED

bool CanvasItem::is_visible_in_tree() const {
	ERR_READ_THREAD_GUARD_V(false);
	return visible && parent_visible_in_tree;
}

void CanvasItem::_propagate_visibility_changed(bool p_parent_visible_in_tree) {
	parent_visible_in_tree = p_parent_visible_in_tree;
	if (!visible) {
		return;
	}

	_handle_visibility_change(p_parent_visible_in_tree);
}

void CanvasItem::set_visible(bool p_visible) {
	ERR_MAIN_THREAD_GUARD;
	if (visible == p_visible) {
		return;
	}

	visible = p_visible;

	if (!parent_visible_in_tree) {
		notification(NOTIFICATION_VISIBILITY_CHANGED);
		return;
	}

	_handle_visibility_change(p_visible);
}

void CanvasItem::_handle_visibility_change(bool p_visible) {
	RenderingServer::get_singleton()->canvas_item_set_visible(canvas_item, p_visible);
	notification(NOTIFICATION_VISIBILITY_CHANGED);

	if (p_visible) {
		queue_redraw();
	} else {
		emit_signal(SceneStringName(hidden));
	}

	_block();
	for (int i = 0; i < get_child_count(); i++) {
		CanvasItem *c = Object::cast_to<CanvasItem>(get_child(i));

		if (c) { // Should the top_levels stop propagation? I think so, but...
			c->_propagate_visibility_changed(p_visible);
		}
	}
	_unblock();
}

void CanvasItem::show() {
	ERR_MAIN_THREAD_GUARD;
	set_visible(true);
}

void CanvasItem::hide() {
	ERR_MAIN_THREAD_GUARD;
	set_visible(false);
}

bool CanvasItem::is_visible() const {
	ERR_READ_THREAD_GUARD_V(false);
	return visible;
}

CanvasItem *CanvasItem::current_item_drawn = nullptr;
CanvasItem *CanvasItem::get_current_item_drawn() {
	return current_item_drawn;
}

void CanvasItem::_redraw_callback() {
	if (!is_inside_tree()) {
		pending_update = false;
		return;
	}

	RenderingServer::get_singleton()->canvas_item_clear(get_canvas_item());
	//todo updating = true - only allow drawing here
	if (is_visible_in_tree()) {
		drawing = true;
		current_item_drawn = this;
		notification(NOTIFICATION_DRAW);
		emit_signal(SceneStringName(draw));
		GDVIRTUAL_CALL(_draw);
		current_item_drawn = nullptr;
		drawing = false;
	}
	//todo updating = false
	pending_update = false; // don't change to false until finished drawing (avoid recursive update)
}

Transform2D CanvasItem::get_global_transform_with_canvas() const {
	ERR_READ_THREAD_GUARD_V(Transform2D());
	if (canvas_layer) {
		return canvas_layer->get_final_transform() * get_global_transform();
	} else if (is_inside_tree()) {
		return get_viewport()->get_canvas_transform() * get_global_transform();
	} else {
		return get_global_transform();
	}
}

Transform2D CanvasItem::get_screen_transform() const {
	ERR_READ_THREAD_GUARD_V(Transform2D());
	ERR_FAIL_COND_V(!is_inside_tree(), Transform2D());
	return get_viewport()->get_popup_base_transform() * get_global_transform_with_canvas();
}

Transform2D CanvasItem::get_global_transform() const {
	ERR_READ_THREAD_GUARD_V(Transform2D());

	if (_is_global_invalid()) {
		// This code can enter multiple times from threads if dirty, this is expected.
		const CanvasItem *pi = get_parent_item();
		Transform2D new_global;
		if (pi) {
			new_global = pi->get_global_transform() * get_transform();
		} else {
			new_global = get_transform();
		}

		global_transform = new_global;
		_set_global_invalid(false);
	}

	return global_transform;
}

void CanvasItem::_set_global_invalid(bool p_invalid) const {
	if (is_group_processing()) {
		if (p_invalid) {
			global_invalid.mt.set();
		} else {
			global_invalid.mt.clear();
		}
	} else {
		global_invalid.st = p_invalid;
	}
}

void CanvasItem::_top_level_raise_self() {
	if (!is_inside_tree()) {
		return;
	}

	if (canvas_layer) {
		RenderingServer::get_singleton()->canvas_item_set_draw_index(canvas_item, canvas_layer->get_sort_index());
	} else {
		RenderingServer::get_singleton()->canvas_item_set_draw_index(canvas_item, get_viewport()->gui_get_canvas_sort_index());
	}
}

void CanvasItem::_enter_canvas() {
	// Resolves to nullptr if the node is top_level.
	CanvasItem *parent_item = get_parent_item();

	if (get_parent()) {
		get_viewport()->canvas_parent_mark_dirty(get_parent());
	}

	if (parent_item) {
		canvas_layer = parent_item->canvas_layer;
		RenderingServer::get_singleton()->canvas_item_set_parent(canvas_item, parent_item->get_canvas_item());
		RenderingServer::get_singleton()->canvas_item_set_visibility_layer(canvas_item, visibility_layer);
	} else {
		Node *n = this;

		canvas_layer = nullptr;

		while (n) {
			canvas_layer = Object::cast_to<CanvasLayer>(n);
			if (canvas_layer) {
				break;
			}
			if (Object::cast_to<Viewport>(n)) {
				break;
			}
			n = n->get_parent();
		}

		RID canvas;
		if (canvas_layer) {
			canvas = canvas_layer->get_canvas();
		} else {
			canvas = get_viewport()->find_world_2d()->get_canvas();
		}

		RenderingServer::get_singleton()->canvas_item_set_parent(canvas_item, canvas);
		RenderingServer::get_singleton()->canvas_item_set_visibility_layer(canvas_item, visibility_layer);

		canvas_group = "_root_canvas" + itos(canvas.get_id());

		add_to_group(canvas_group);
		if (canvas_layer) {
			canvas_layer->reset_sort_index();
		} else {
			get_viewport()->gui_reset_canvas_sort_index();
		}
	}

	pending_update = false;
	queue_redraw();

	notification(NOTIFICATION_ENTER_CANVAS);
}

void CanvasItem::_exit_canvas() {
	notification(NOTIFICATION_EXIT_CANVAS, true); //reverse the notification
	RenderingServer::get_singleton()->canvas_item_set_parent(canvas_item, RID());
	canvas_layer = nullptr;
	if (canvas_group != StringName()) {
		remove_from_group(canvas_group);
		canvas_group = StringName();
	}
}

void CanvasItem::_notification(int p_what) {
	switch (p_what) {
		case NOTIFICATION_ENTER_TREE: {
			ERR_MAIN_THREAD_GUARD;
			ERR_FAIL_COND(!is_inside_tree());

			Node *parent = get_parent();
			if (parent) {
				CanvasItem *ci = Object::cast_to<CanvasItem>(parent);

				if (ci) {
					parent_visible_in_tree = ci->is_visible_in_tree();
					C = ci->children_items.push_back(this);
				} else {
					CanvasLayer *cl = Object::cast_to<CanvasLayer>(parent);

					if (cl) {
						parent_visible_in_tree = cl->is_visible();
					} else {
						// Look for a window.
						Viewport *viewport = nullptr;

						while (parent) {
							viewport = Object::cast_to<Viewport>(parent);
							if (viewport) {
								break;
							}
							parent = parent->get_parent();
						}

						ERR_FAIL_NULL(viewport);

						window = Object::cast_to<Window>(viewport);
						if (window) {
							window->connect(SceneStringName(visibility_changed), callable_mp(this, &CanvasItem::_window_visibility_changed));
							parent_visible_in_tree = window->is_visible();
						} else {
							parent_visible_in_tree = true;
						}
					}
				}
			}

			_set_global_invalid(true);
			_enter_canvas();

			RenderingServer::get_singleton()->canvas_item_set_visible(canvas_item, is_visible_in_tree()); // The visibility of the parent may change.
			if (is_visible_in_tree()) {
				notification(NOTIFICATION_VISIBILITY_CHANGED); // Considered invisible until entered.
			}

			_update_texture_filter_changed(false);
			_update_texture_repeat_changed(false);

			if (!block_transform_notify && !xform_change.in_list()) {
				get_tree()->xform_change_list.add(&xform_change);
			}

			if (get_viewport()) {
				get_parent()->connect(SNAME("child_order_changed"), callable_mp(get_viewport(), &Viewport::canvas_parent_mark_dirty).bind(get_parent()), CONNECT_REFERENCE_COUNTED);
			}

			// If using physics interpolation, reset for this node only,
			// as a helper, as in most cases, users will want items reset when
			// adding to the tree.
			// In cases where they move immediately after adding,
			// there will be little cost in having two resets as these are cheap,
			// and it is worth it for convenience.
			// Do not propagate to children, as each child of an added branch
			// receives its own NOTIFICATION_ENTER_TREE, and this would
			// cause unnecessary duplicate resets.
			if (is_physics_interpolated_and_enabled()) {
				notification(NOTIFICATION_RESET_PHYSICS_INTERPOLATION);
			}

		} break;
		case NOTIFICATION_EXIT_TREE: {
			ERR_MAIN_THREAD_GUARD;

			if (xform_change.in_list()) {
				get_tree()->xform_change_list.remove(&xform_change);
			}
			_exit_canvas();
			if (C) {
				Object::cast_to<CanvasItem>(get_parent())->children_items.erase(C);
				C = nullptr;
			}
			if (window) {
				window->disconnect(SceneStringName(visibility_changed), callable_mp(this, &CanvasItem::_window_visibility_changed));
				window = nullptr;
			}
			_set_global_invalid(true);
			parent_visible_in_tree = false;

			if (get_viewport()) {
				get_parent()->disconnect(SNAME("child_order_changed"), callable_mp(get_viewport(), &Viewport::canvas_parent_mark_dirty).bind(get_parent()));
			}
		} break;

		case NOTIFICATION_RESET_PHYSICS_INTERPOLATION: {
			if (is_visible_in_tree() && is_physics_interpolated()) {
				RenderingServer::get_singleton()->canvas_item_reset_physics_interpolation(canvas_item);
			}
		} break;

		case NOTIFICATION_VISIBILITY_CHANGED: {
			ERR_MAIN_THREAD_GUARD;

			emit_signal(SceneStringName(visibility_changed));
		} break;
		case NOTIFICATION_WORLD_2D_CHANGED: {
			ERR_MAIN_THREAD_GUARD;

			_exit_canvas();
			_enter_canvas();
		} break;
		case NOTIFICATION_PARENTED: {
			// The node is not inside the tree during this notification.
			ERR_MAIN_THREAD_GUARD;

			_notify_transform();
		} break;
	}
}

void CanvasItem::update_draw_order() {
	ERR_MAIN_THREAD_GUARD;

	if (!is_inside_tree()) {
		return;
	}

	if (canvas_group != StringName()) {
		get_tree()->call_group_flags(SceneTree::GROUP_CALL_UNIQUE | SceneTree::GROUP_CALL_DEFERRED, canvas_group, "_top_level_raise_self");
	} else {
		ERR_FAIL_NULL_MSG(get_parent_item(), "Moved child is in incorrect state (no canvas group, no canvas item parent).");
		RenderingServer::get_singleton()->canvas_item_set_draw_index(canvas_item, get_index());
	}
}

void CanvasItem::_window_visibility_changed() {
	_propagate_visibility_changed(window->is_visible());
}

void CanvasItem::queue_redraw() {
	ERR_THREAD_GUARD; // Calling from thread is safe.
	if (!is_inside_tree()) {
		return;
	}
	if (pending_update) {
		return;
	}

	pending_update = true;

	callable_mp(this, &CanvasItem::_redraw_callback).call_deferred();
}

void CanvasItem::move_to_front() {
	ERR_MAIN_THREAD_GUARD;
	if (!get_parent()) {
		return;
	}
	get_parent()->move_child(this, -1);
}

void CanvasItem::set_modulate(const Color &p_modulate) {
	ERR_THREAD_GUARD;
	if (modulate == p_modulate) {
		return;
	}

	modulate = p_modulate;
	RenderingServer::get_singleton()->canvas_item_set_modulate(canvas_item, modulate);
}

Color CanvasItem::get_modulate() const {
	ERR_READ_THREAD_GUARD_V(Color());
	return modulate;
}

Color CanvasItem::get_modulate_in_tree() const {
	ERR_READ_THREAD_GUARD_V(Color());
	Color final_modulate = modulate;
	CanvasItem *parent_item = get_parent_item();
	while (parent_item) {
		final_modulate *= parent_item->get_modulate();
		parent_item = parent_item->get_parent_item();
	}
	return final_modulate;
}

void CanvasItem::set_as_top_level(bool p_top_level) {
	ERR_MAIN_THREAD_GUARD;
	if (top_level == p_top_level) {
		return;
	}

	if (!is_inside_tree()) {
		top_level = p_top_level;
		_notify_transform();
		return;
	}

	_exit_canvas();
	top_level = p_top_level;
	_top_level_changed();
	_enter_canvas();

	_notify_transform();

	if (get_viewport()) {
		get_viewport()->canvas_item_top_level_changed();
	}
}

void CanvasItem::_top_level_changed() {
	// Inform children that top_level status has changed on a parent.
	int children = get_child_count();
	for (int i = 0; i < children; i++) {
		CanvasItem *child = Object::cast_to<CanvasItem>(get_child(i));
		if (child) {
			child->_top_level_changed_on_parent();
		}
	}
}

void CanvasItem::_top_level_changed_on_parent() {
	// Inform children that top_level status has changed on a parent.
	_top_level_changed();
}

bool CanvasItem::is_set_as_top_level() const {
	return top_level;
}

CanvasItem *CanvasItem::get_parent_item() const {
	ERR_READ_THREAD_GUARD_V(nullptr);
	if (top_level) {
		return nullptr;
	}

	return Object::cast_to<CanvasItem>(get_parent());
}

void CanvasItem::set_self_modulate(const Color &p_self_modulate) {
	ERR_THREAD_GUARD;
	if (self_modulate == p_self_modulate) {
		return;
	}

	self_modulate = p_self_modulate;
	RenderingServer::get_singleton()->canvas_item_set_self_modulate(canvas_item, self_modulate);
}

Color CanvasItem::get_self_modulate() const {
	ERR_READ_THREAD_GUARD_V(Color());
	return self_modulate;
}

void CanvasItem::set_light_mask(int p_light_mask) {
	ERR_THREAD_GUARD;
	if (light_mask == p_light_mask) {
		return;
	}

	light_mask = p_light_mask;
	RS::get_singleton()->canvas_item_set_light_mask(canvas_item, p_light_mask);
}

int CanvasItem::get_light_mask() const {
	ERR_READ_THREAD_GUARD_V(0);
	return light_mask;
}

const StringName *CanvasItem::_instance_shader_parameter_get_remap(const StringName &p_name) const {
	StringName *r = instance_shader_parameter_property_remap.getptr(p_name);
	if (!r) {
		String s = p_name;
		if (s.begins_with("instance_shader_parameters/")) {
			StringName name = s.trim_prefix("instance_shader_parameters/");
			instance_shader_parameter_property_remap[p_name] = name;
			return instance_shader_parameter_property_remap.getptr(p_name);
		}
		return nullptr;
	}
	return r;
}

bool CanvasItem::_set(const StringName &p_name, const Variant &p_value) {
	const StringName *r = _instance_shader_parameter_get_remap(p_name);
	if (r) {
		set_instance_shader_parameter(*r, p_value);
		return true;
	}
	return false;
}

bool CanvasItem::_get(const StringName &p_name, Variant &r_ret) const {
	const StringName *r = _instance_shader_parameter_get_remap(p_name);
	if (r) {
		r_ret = get_instance_shader_parameter(*r);
		return true;
	}

	return false;
}

void CanvasItem::_get_property_list(List<PropertyInfo> *p_list) const {
	List<PropertyInfo> pinfo;
	RS::get_singleton()->canvas_item_get_instance_shader_parameter_list(get_canvas_item(), &pinfo);

	for (PropertyInfo &pi : pinfo) {
		bool has_def_value = false;
		Variant def_value = RS::get_singleton()->canvas_item_get_instance_shader_parameter_default_value(get_canvas_item(), pi.name);
		if (def_value.get_type() != Variant::NIL) {
			has_def_value = true;
		}
		if (instance_shader_parameters.has(pi.name)) {
			pi.usage = PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_STORAGE | (has_def_value ? (PROPERTY_USAGE_CHECKABLE | PROPERTY_USAGE_CHECKED) : PROPERTY_USAGE_NONE);
		} else {
			pi.usage = PROPERTY_USAGE_EDITOR | (has_def_value ? PROPERTY_USAGE_CHECKABLE : PROPERTY_USAGE_NONE); // Do not save if not changed.
		}

		pi.name = "instance_shader_parameters/" + pi.name;
		p_list->push_back(pi);
	}
}

void CanvasItem::item_rect_changed(bool p_size_changed) {
	ERR_MAIN_THREAD_GUARD;
	if (p_size_changed) {
		queue_redraw();
	}
	emit_signal(SceneStringName(item_rect_changed));
}

void CanvasItem::set_z_index(int p_z) {
	ERR_THREAD_GUARD;
	ERR_FAIL_COND(p_z < RS::CANVAS_ITEM_Z_MIN);
	ERR_FAIL_COND(p_z > RS::CANVAS_ITEM_Z_MAX);
	z_index = p_z;
	RS::get_singleton()->canvas_item_set_z_index(canvas_item, z_index);
	update_configuration_warnings();
}

void CanvasItem::set_z_as_relative(bool p_enabled) {
	ERR_THREAD_GUARD;
	if (z_relative == p_enabled) {
		return;
	}
	z_relative = p_enabled;
	RS::get_singleton()->canvas_item_set_z_as_relative_to_parent(canvas_item, p_enabled);
}

bool CanvasItem::is_z_relative() const {
	ERR_READ_THREAD_GUARD_V(false);
	return z_relative;
}

int CanvasItem::get_z_index() const {
	ERR_READ_THREAD_GUARD_V(0);
	return z_index;
}

int CanvasItem::get_effective_z_index() const {
	ERR_READ_THREAD_GUARD_V(0);
	int effective_z_index = z_index;
	if (is_z_relative()) {
		CanvasItem *p = get_parent_item();
		if (p) {
			effective_z_index += p->get_effective_z_index();
		}
	}
	return effective_z_index;
}

void CanvasItem::set_y_sort_enabled(bool p_enabled) {
	ERR_THREAD_GUARD;
	y_sort_enabled = p_enabled;
	RS::get_singleton()->canvas_item_set_sort_children_by_y(canvas_item, y_sort_enabled);
}

bool CanvasItem::is_y_sort_enabled() const {
	ERR_READ_THREAD_GUARD_V(false);
	return y_sort_enabled;
}

void CanvasItem::draw_dashed_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, real_t p_width, real_t p_dash, bool p_aligned, bool p_antialiased) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;
	ERR_FAIL_COND(p_dash <= 0.0);

	float length = (p_to - p_from).length();
	Vector2 step = p_dash * (p_to - p_from).normalized();

	if (length < p_dash || step == Vector2()) {
		RenderingServer::get_singleton()->canvas_item_add_line(canvas_item, p_from, p_to, p_color, p_width, p_antialiased);
		return;
	}

	int steps = (p_aligned) ? Math::ceil(length / p_dash) : Math::floor(length / p_dash);
	if (steps % 2 == 0) {
		steps--;
	}

	Point2 off = p_from;
	if (p_aligned) {
		off += (p_to - p_from).normalized() * (length - steps * p_dash) / 2.0;
	}

	Vector<Vector2> points;
	points.resize(steps + 1);
	for (int i = 0; i < steps; i += 2) {
		points.write[i] = (i == 0) ? p_from : off;
		points.write[i + 1] = (p_aligned && i == steps - 1) ? p_to : (off + step);
		off += step * 2;
	}

	Vector<Color> colors = { p_color };

	RenderingServer::get_singleton()->canvas_item_add_multiline(canvas_item, points, colors, p_width, p_antialiased);
}

void CanvasItem::draw_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, real_t p_width, bool p_antialiased) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	RenderingServer::get_singleton()->canvas_item_add_line(canvas_item, p_from, p_to, p_color, p_width, p_antialiased);
}

void CanvasItem::draw_polyline(const Vector<Point2> &p_points, const Color &p_color, real_t p_width, bool p_antialiased) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	Vector<Color> colors = { p_color };
	RenderingServer::get_singleton()->canvas_item_add_polyline(canvas_item, p_points, colors, p_width, p_antialiased);
}

void CanvasItem::draw_polyline_colors(const Vector<Point2> &p_points, const Vector<Color> &p_colors, real_t p_width, bool p_antialiased) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	RenderingServer::get_singleton()->canvas_item_add_polyline(canvas_item, p_points, p_colors, p_width, p_antialiased);
}

void CanvasItem::draw_arc(const Vector2 &p_center, real_t p_radius, real_t p_start_angle, real_t p_end_angle, int p_point_count, const Color &p_color, real_t p_width, bool p_antialiased) {
	ERR_THREAD_GUARD;
	Vector<Point2> points;
	points.resize(p_point_count);
	Point2 *points_ptr = points.ptrw();

	// Clamp angle difference to full circle so arc won't overlap itself.
	const real_t delta_angle = CLAMP(p_end_angle - p_start_angle, -Math_TAU, Math_TAU);
	for (int i = 0; i < p_point_count; i++) {
		real_t theta = (i / (p_point_count - 1.0f)) * delta_angle + p_start_angle;
		points_ptr[i] = p_center + Vector2(Math::cos(theta), Math::sin(theta)) * p_radius;
	}

	draw_polyline(points, p_color, p_width, p_antialiased);
}

void CanvasItem::draw_multiline(const Vector<Point2> &p_points, const Color &p_color, real_t p_width, bool p_antialiased) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	Vector<Color> colors = { p_color };
	RenderingServer::get_singleton()->canvas_item_add_multiline(canvas_item, p_points, colors, p_width, p_antialiased);
}

void CanvasItem::draw_multiline_colors(const Vector<Point2> &p_points, const Vector<Color> &p_colors, real_t p_width, bool p_antialiased) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	RenderingServer::get_singleton()->canvas_item_add_multiline(canvas_item, p_points, p_colors, p_width, p_antialiased);
}

void CanvasItem::draw_rect(const Rect2 &p_rect, const Color &p_color, bool p_filled, real_t p_width, bool p_antialiased) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	Rect2 rect = p_rect.abs();

	if (p_filled) {
		if (p_width != -1.0) {
			WARN_PRINT("The draw_rect() \"width\" argument has no effect when \"filled\" is \"true\".");
		}

		RenderingServer::get_singleton()->canvas_item_add_rect(canvas_item, rect, p_color, p_antialiased);
	} else if (p_width >= rect.size.width || p_width >= rect.size.height) {
		RenderingServer::get_singleton()->canvas_item_add_rect(canvas_item, rect.grow(0.5f * p_width), p_color, p_antialiased);
	} else {
		Vector<Vector2> points;
		points.resize(5);
		points.write[0] = rect.position;
		points.write[1] = rect.position + Vector2(rect.size.x, 0);
		points.write[2] = rect.position + rect.size;
		points.write[3] = rect.position + Vector2(0, rect.size.y);
		points.write[4] = rect.position;

		Vector<Color> colors = { p_color };

		RenderingServer::get_singleton()->canvas_item_add_polyline(canvas_item, points, colors, p_width, p_antialiased);
	}
}

void CanvasItem::draw_circle(const Point2 &p_pos, real_t p_radius, const Color &p_color, bool p_filled, real_t p_width, bool p_antialiased) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	if (p_filled) {
		if (p_width != -1.0) {
			WARN_PRINT("The draw_circle() \"width\" argument has no effect when \"filled\" is \"true\".");
		}

		RenderingServer::get_singleton()->canvas_item_add_circle(canvas_item, p_pos, p_radius, p_color, p_antialiased);
	} else if (p_width >= 2.0 * p_radius) {
		RenderingServer::get_singleton()->canvas_item_add_circle(canvas_item, p_pos, p_radius + 0.5 * p_width, p_color, p_antialiased);
	} else {
		// Tessellation count is hardcoded. Keep in sync with the same variable in `RendererCanvasCull::canvas_item_add_circle()`.
		const int circle_segments = 64;

		Vector<Vector2> points;
		points.resize(circle_segments + 1);

		Vector2 *points_ptr = points.ptrw();
		const real_t circle_point_step = Math_TAU / circle_segments;

		for (int i = 0; i < circle_segments; i++) {
			float angle = i * circle_point_step;
			points_ptr[i].x = Math::cos(angle) * p_radius;
			points_ptr[i].y = Math::sin(angle) * p_radius;
			points_ptr[i] += p_pos;
		}
		points_ptr[circle_segments] = points_ptr[0];

		Vector<Color> colors = { p_color };

		RenderingServer::get_singleton()->canvas_item_add_polyline(canvas_item, points, colors, p_width, p_antialiased);
	}
}

void CanvasItem::draw_texture(const Ref<Texture2D> &p_texture, const Point2 &p_pos, const Color &p_modulate) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	ERR_FAIL_COND(p_texture.is_null());

	p_texture->draw(canvas_item, p_pos, p_modulate, false);
}

void CanvasItem::draw_texture_rect(const Ref<Texture2D> &p_texture, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	ERR_FAIL_COND(p_texture.is_null());
	p_texture->draw_rect(canvas_item, p_rect, p_tile, p_modulate, p_transpose);
}

void CanvasItem::draw_texture_rect_region(const Ref<Texture2D> &p_texture, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, bool p_clip_uv) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;
	ERR_FAIL_COND(p_texture.is_null());
	p_texture->draw_rect_region(canvas_item, p_rect, p_src_rect, p_modulate, p_transpose, p_clip_uv);
}

void CanvasItem::draw_msdf_texture_rect_region(const Ref<Texture2D> &p_texture, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, double p_outline, double p_pixel_range, double p_scale) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;
	ERR_FAIL_COND(p_texture.is_null());
	RenderingServer::get_singleton()->canvas_item_add_msdf_texture_rect_region(canvas_item, p_rect, p_texture->get_rid(), p_src_rect, p_modulate, p_outline, p_pixel_range, p_scale);
}

void CanvasItem::draw_lcd_texture_rect_region(const Ref<Texture2D> &p_texture, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;
	ERR_FAIL_COND(p_texture.is_null());
	RenderingServer::get_singleton()->canvas_item_add_lcd_texture_rect_region(canvas_item, p_rect, p_texture->get_rid(), p_src_rect, p_modulate);
}

void CanvasItem::draw_style_box(const Ref<StyleBox> &p_style_box, const Rect2 &p_rect) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	ERR_FAIL_COND(p_style_box.is_null());

	p_style_box->draw(canvas_item, p_rect);
}

void CanvasItem::draw_primitive(const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs, Ref<Texture2D> p_texture) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	RID rid = p_texture.is_valid() ? p_texture->get_rid() : RID();
	RenderingServer::get_singleton()->canvas_item_add_primitive(canvas_item, p_points, p_colors, p_uvs, rid);
}

void CanvasItem::draw_set_transform(const Point2 &p_offset, real_t p_rot, const Size2 &p_scale) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	Transform2D xform(p_rot, p_offset);
	xform.scale_basis(p_scale);
	RenderingServer::get_singleton()->canvas_item_add_set_transform(canvas_item, xform);
}

void CanvasItem::draw_set_transform_matrix(const Transform2D &p_matrix) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	RenderingServer::get_singleton()->canvas_item_add_set_transform(canvas_item, p_matrix);
}
void CanvasItem::draw_animation_slice(double p_animation_length, double p_slice_begin, double p_slice_end, double p_offset) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	RenderingServer::get_singleton()->canvas_item_add_animation_slice(canvas_item, p_animation_length, p_slice_begin, p_slice_end, p_offset);
}

void CanvasItem::draw_end_animation() {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	RenderingServer::get_singleton()->canvas_item_add_animation_slice(canvas_item, 1, 0, 2, 0);
}

void CanvasItem::draw_polygon(const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs, Ref<Texture2D> p_texture) {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;

	const Ref<AtlasTexture> atlas = p_texture;
	if (atlas.is_valid() && atlas->get_atlas().is_valid()) {
		const Ref<Texture2D> &texture = atlas->get_atlas();
		const Vector2 atlas_size = texture->get_size();

		const Vector2 remap_min = atlas->get_region().position / atlas_size;
		const Vector2 remap_max = atlas->get_region().get_end() / atlas_size;

		PackedVector2Array uvs = p_uvs;
		for (Vector2 &p : uvs) {
			p.x = Math::remap(p.x, 0, 1, remap_min.x, remap_max.x);
			p.y = Math::remap(p.y, 0, 1, remap_min.y, remap_max.y);
		}
		RenderingServer::get_singleton()->canvas_item_add_polygon(canvas_item, p_points, p_colors, uvs, texture->get_rid());
	} else {
		RID texture_rid = p_texture.is_valid() ? p_texture->get_rid() : RID();
		RenderingServer::get_singleton()->canvas_item_add_polygon(canvas_item, p_points, p_colors, p_uvs, texture_rid);
	}
}

void CanvasItem::draw_colored_polygon(const Vector<Point2> &p_points, const Color &p_color, const Vector<Point2> &p_uvs, Ref<Texture2D> p_texture) {
	draw_polygon(p_points, { p_color }, p_uvs, p_texture);
}

void CanvasItem::draw_mesh(const Ref<Mesh> &p_mesh, const Ref<Texture2D> &p_texture, const Transform2D &p_transform, const Color &p_modulate) {
	ERR_THREAD_GUARD;
	ERR_FAIL_COND(p_mesh.is_null());
	RID texture_rid = p_texture.is_valid() ? p_texture->get_rid() : RID();

	RenderingServer::get_singleton()->canvas_item_add_mesh(canvas_item, p_mesh->get_rid(), p_transform, p_modulate, texture_rid);
}

void CanvasItem::draw_multimesh(const Ref<MultiMesh> &p_multimesh, const Ref<Texture2D> &p_texture) {
	ERR_THREAD_GUARD;
	ERR_FAIL_COND(p_multimesh.is_null());
	RID texture_rid = p_texture.is_valid() ? p_texture->get_rid() : RID();
	RenderingServer::get_singleton()->canvas_item_add_multimesh(canvas_item, p_multimesh->get_rid(), texture_rid);
}

void CanvasItem::draw_string(const Ref<Font> &p_font, const Point2 &p_pos, const String &p_text, HorizontalAlignment p_alignment, float p_width, int p_font_size, const Color &p_modulate, BitField<TextServer::JustificationFlag> p_jst_flags, TextServer::Direction p_direction, TextServer::Orientation p_orientation) const {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;
	ERR_FAIL_COND(p_font.is_null());

	p_font->draw_string(canvas_item, p_pos, p_text, p_alignment, p_width, p_font_size, p_modulate, p_jst_flags, p_direction, p_orientation);
}

void CanvasItem::draw_multiline_string(const Ref<Font> &p_font, const Point2 &p_pos, const String &p_text, HorizontalAlignment p_alignment, float p_width, int p_font_size, int p_max_lines, const Color &p_modulate, BitField<TextServer::LineBreakFlag> p_brk_flags, BitField<TextServer::JustificationFlag> p_jst_flags, TextServer::Direction p_direction, TextServer::Orientation p_orientation) const {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;
	ERR_FAIL_COND(p_font.is_null());

	p_font->draw_multiline_string(canvas_item, p_pos, p_text, p_alignment, p_width, p_font_size, p_max_lines, p_modulate, p_brk_flags, p_jst_flags, p_direction, p_orientation);
}

void CanvasItem::draw_string_outline(const Ref<Font> &p_font, const Point2 &p_pos, const String &p_text, HorizontalAlignment p_alignment, float p_width, int p_font_size, int p_size, const Color &p_modulate, BitField<TextServer::JustificationFlag> p_jst_flags, TextServer::Direction p_direction, TextServer::Orientation p_orientation) const {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;
	ERR_FAIL_COND(p_font.is_null());

	p_font->draw_string_outline(canvas_item, p_pos, p_text, p_alignment, p_width, p_font_size, p_size, p_modulate, p_jst_flags, p_direction, p_orientation);
}

void CanvasItem::draw_multiline_string_outline(const Ref<Font> &p_font, const Point2 &p_pos, const String &p_text, HorizontalAlignment p_alignment, float p_width, int p_font_size, int p_max_lines, int p_size, const Color &p_modulate, BitField<TextServer::LineBreakFlag> p_brk_flags, BitField<TextServer::JustificationFlag> p_jst_flags, TextServer::Direction p_direction, TextServer::Orientation p_orientation) const {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;
	ERR_FAIL_COND(p_font.is_null());

	p_font->draw_multiline_string_outline(canvas_item, p_pos, p_text, p_alignment, p_width, p_font_size, p_max_lines, p_size, p_modulate, p_brk_flags, p_jst_flags, p_direction, p_orientation);
}

void CanvasItem::draw_char(const Ref<Font> &p_font, const Point2 &p_pos, const String &p_char, int p_font_size, const Color &p_modulate) const {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;
	ERR_FAIL_COND(p_char.length() != 1);
	ERR_FAIL_COND(p_font.is_null());

	p_font->draw_char(canvas_item, p_pos, p_char[0], p_font_size, p_modulate);
}

void CanvasItem::draw_char_outline(const Ref<Font> &p_font, const Point2 &p_pos, const String &p_char, int p_font_size, int p_size, const Color &p_modulate) const {
	ERR_THREAD_GUARD;
	ERR_DRAW_GUARD;
	ERR_FAIL_COND(p_char.length() != 1);
	ERR_FAIL_COND(p_font.is_null());

	p_font->draw_char_outline(canvas_item, p_pos, p_char[0], p_font_size, p_size, p_modulate);
}

void CanvasItem::_notify_transform_deferred() {
	if (is_inside_tree() && notify_transform && !xform_change.in_list()) {
		get_tree()->xform_change_list.add(&xform_change);
	}
}

void CanvasItem::_notify_transform(CanvasItem *p_node) {
	/* This check exists to avoid re-propagating the transform
	 * notification down the tree on dirty nodes. It provides
	 * optimization by avoiding redundancy (nodes are dirty, will get the
	 * notification anyway).
	 */

	if (/*p_node->xform_change.in_list() &&*/ p_node->_is_global_invalid()) {
		return; //nothing to do
	}

	p_node->_set_global_invalid(true);

	if (p_node->notify_transform && !p_node->xform_change.in_list()) {
		if (!p_node->block_transform_notify) {
			if (p_node->is_inside_tree()) {
				if (is_accessible_from_caller_thread()) {
					get_tree()->xform_change_list.add(&p_node->xform_change);
				} else {
					// Should be rare, but still needs to be handled.
					callable_mp(p_node, &CanvasItem::_notify_transform_deferred).call_deferred();
				}
			}
		}
	}

	for (CanvasItem *ci : p_node->children_items) {
		if (ci->top_level) {
			continue;
		}
		_notify_transform(ci);
	}
}

void CanvasItem::_physics_interpolated_changed() {
	RenderingServer::get_singleton()->canvas_item_set_interpolated(canvas_item, is_physics_interpolated());
}

Rect2 CanvasItem::get_viewport_rect() const {
	ERR_READ_THREAD_GUARD_V(Rect2());
	ERR_FAIL_COND_V(!is_inside_tree(), Rect2());
	return get_viewport()->get_visible_rect();
}

RID CanvasItem::get_canvas() const {
	ERR_READ_THREAD_GUARD_V(RID());
	ERR_FAIL_COND_V(!is_inside_tree(), RID());

	if (canvas_layer) {
		return canvas_layer->get_canvas();
	} else {
		return get_viewport()->find_world_2d()->get_canvas();
	}
}

ObjectID CanvasItem::get_canvas_layer_instance_id() const {
	ERR_READ_THREAD_GUARD_V(ObjectID());
	if (canvas_layer) {
		return canvas_layer->get_instance_id();
	} else {
		return ObjectID();
	}
}

CanvasItem *CanvasItem::get_top_level() const {
	ERR_READ_THREAD_GUARD_V(nullptr);
	CanvasItem *ci = const_cast<CanvasItem *>(this);
	while (!ci->top_level && Object::cast_to<CanvasItem>(ci->get_parent())) {
		ci = Object::cast_to<CanvasItem>(ci->get_parent());
	}

	return ci;
}

Ref<World2D> CanvasItem::get_world_2d() const {
	ERR_READ_THREAD_GUARD_V(Ref<World2D>());
	ERR_FAIL_COND_V(!is_inside_tree(), Ref<World2D>());

	CanvasItem *tl = get_top_level();

	if (tl->get_viewport()) {
		return tl->get_viewport()->find_world_2d();
	} else {
		return Ref<World2D>();
	}
}

RID CanvasItem::get_viewport_rid() const {
	ERR_READ_THREAD_GUARD_V(RID());
	ERR_FAIL_COND_V(!is_inside_tree(), RID());
	return get_viewport()->get_viewport_rid();
}

void CanvasItem::set_block_transform_notify(bool p_enable) {
	ERR_THREAD_GUARD;
	block_transform_notify = p_enable;
}

bool CanvasItem::is_block_transform_notify_enabled() const {
	ERR_READ_THREAD_GUARD_V(false);
	return block_transform_notify;
}

void CanvasItem::set_draw_behind_parent(bool p_enable) {
	ERR_THREAD_GUARD;
	if (behind == p_enable) {
		return;
	}
	behind = p_enable;
	RenderingServer::get_singleton()->canvas_item_set_draw_behind_parent(canvas_item, behind);
}

bool CanvasItem::is_draw_behind_parent_enabled() const {
	ERR_READ_THREAD_GUARD_V(false);
	return behind;
}

void CanvasItem::set_material(const Ref<Material> &p_material) {
	ERR_THREAD_GUARD;
	material = p_material;
	RID rid;
	if (material.is_valid()) {
		rid = material->get_rid();
	}
	RS::get_singleton()->canvas_item_set_material(canvas_item, rid);
	notify_property_list_changed(); //properties for material exposed
}

void CanvasItem::set_use_parent_material(bool p_use_parent_material) {
	ERR_THREAD_GUARD;
	use_parent_material = p_use_parent_material;
	RS::get_singleton()->canvas_item_set_use_parent_material(canvas_item, p_use_parent_material);
}

void CanvasItem::set_instance_shader_parameter(const StringName &p_name, const Variant &p_value) {
	if (p_value.get_type() == Variant::NIL) {
		Variant def_value = RS::get_singleton()->canvas_item_get_instance_shader_parameter_default_value(get_canvas_item(), p_name);
		RS::get_singleton()->canvas_item_set_instance_shader_parameter(get_canvas_item(), p_name, def_value);
		instance_shader_parameters.erase(p_value);
	} else {
		instance_shader_parameters[p_name] = p_value;
		if (p_value.get_type() == Variant::OBJECT) {
			RID tex_id = p_value;
			RS::get_singleton()->canvas_item_set_instance_shader_parameter(get_canvas_item(), p_name, tex_id);
		} else {
			RS::get_singleton()->canvas_item_set_instance_shader_parameter(get_canvas_item(), p_name, p_value);
		}
	}
}

Variant CanvasItem::get_instance_shader_parameter(const StringName &p_name) const {
	return RS::get_singleton()->canvas_item_get_instance_shader_parameter(get_canvas_item(), p_name);
}

bool CanvasItem::get_use_parent_material() const {
	ERR_READ_THREAD_GUARD_V(false);
	return use_parent_material;
}

Ref<Material> CanvasItem::get_material() const {
	ERR_READ_THREAD_GUARD_V(Ref<Material>());
	return material;
}

Vector2 CanvasItem::make_canvas_position_local(const Vector2 &screen_point) const {
	ERR_READ_THREAD_GUARD_V(Vector2());
	ERR_FAIL_COND_V(!is_inside_tree(), screen_point);

	Transform2D local_matrix = (get_canvas_transform() * get_global_transform()).affine_inverse();

	return local_matrix.xform(screen_point);
}

Ref<InputEvent> CanvasItem::make_input_local(const Ref<InputEvent> &p_event) const {
	ERR_READ_THREAD_GUARD_V(Ref<InputEvent>());
	ERR_FAIL_COND_V(p_event.is_null(), p_event);
	ERR_FAIL_COND_V(!is_inside_tree(), p_event);

	return p_event->xformed_by((get_canvas_transform() * get_global_transform()).affine_inverse());
}

Vector2 CanvasItem::get_global_mouse_position() const {
	ERR_READ_THREAD_GUARD_V(Vector2());
	ERR_FAIL_NULL_V(get_viewport(), Vector2());
	return get_canvas_transform().affine_inverse().xform(get_viewport()->get_mouse_position());
}

Vector2 CanvasItem::get_local_mouse_position() const {
	ERR_READ_THREAD_GUARD_V(Vector2());
	ERR_FAIL_NULL_V(get_viewport(), Vector2());

	return get_global_transform().affine_inverse().xform(get_global_mouse_position());
}

void CanvasItem::force_update_transform() {
	ERR_THREAD_GUARD;
	ERR_FAIL_COND(!is_inside_tree());
	if (!xform_change.in_list()) {
		return;
	}

	get_tree()->xform_change_list.remove(&xform_change);

	notification(NOTIFICATION_TRANSFORM_CHANGED);
}

void CanvasItem::_validate_property(PropertyInfo &p_property) const {
	if (hide_clip_children && p_property.name == "clip_children") {
		p_property.usage = PROPERTY_USAGE_NONE;
	}
}

void CanvasItem::_bind_methods() {
	ClassDB::bind_method(D_METHOD("_top_level_raise_self"), &CanvasItem::_top_level_raise_self);

#ifdef TOOLS_ENABLED
	ClassDB::bind_method(D_METHOD("_edit_set_state", "state"), &CanvasItem::_edit_set_state);
	ClassDB::bind_method(D_METHOD("_edit_get_state"), &CanvasItem::_edit_get_state);
	ClassDB::bind_method(D_METHOD("_edit_set_position", "position"), &CanvasItem::_edit_set_position);
	ClassDB::bind_method(D_METHOD("_edit_get_position"), &CanvasItem::_edit_get_position);
	ClassDB::bind_method(D_METHOD("_edit_set_scale", "scale"), &CanvasItem::_edit_set_scale);
	ClassDB::bind_method(D_METHOD("_edit_get_scale"), &CanvasItem::_edit_get_scale);
	ClassDB::bind_method(D_METHOD("_edit_set_rect", "rect"), &CanvasItem::_edit_set_rect);
	ClassDB::bind_method(D_METHOD("_edit_get_rect"), &CanvasItem::_edit_get_rect);
	ClassDB::bind_method(D_METHOD("_edit_use_rect"), &CanvasItem::_edit_use_rect);
	ClassDB::bind_method(D_METHOD("_edit_set_rotation", "degrees"), &CanvasItem::_edit_set_rotation);
	ClassDB::bind_method(D_METHOD("_edit_get_rotation"), &CanvasItem::_edit_get_rotation);
	ClassDB::bind_method(D_METHOD("_edit_use_rotation"), &CanvasItem::_edit_use_rotation);
	ClassDB::bind_method(D_METHOD("_edit_set_pivot", "pivot"), &CanvasItem::_edit_set_pivot);
	ClassDB::bind_method(D_METHOD("_edit_get_pivot"), &CanvasItem::_edit_get_pivot);
	ClassDB::bind_method(D_METHOD("_edit_use_pivot"), &CanvasItem::_edit_use_pivot);
	ClassDB::bind_method(D_METHOD("_edit_get_transform"), &CanvasItem::_edit_get_transform);
#endif //TOOLS_ENABLED

	ClassDB::bind_method(D_METHOD("get_canvas_item"), &CanvasItem::get_canvas_item);

	ClassDB::bind_method(D_METHOD("set_visible", "visible"), &CanvasItem::set_visible);
	ClassDB::bind_method(D_METHOD("is_visible"), &CanvasItem::is_visible);
	ClassDB::bind_method(D_METHOD("is_visible_in_tree"), &CanvasItem::is_visible_in_tree);
	ClassDB::bind_method(D_METHOD("show"), &CanvasItem::show);
	ClassDB::bind_method(D_METHOD("hide"), &CanvasItem::hide);

	ClassDB::bind_method(D_METHOD("queue_redraw"), &CanvasItem::queue_redraw);
	ClassDB::bind_method(D_METHOD("move_to_front"), &CanvasItem::move_to_front);

	ClassDB::bind_method(D_METHOD("set_as_top_level", "enable"), &CanvasItem::set_as_top_level);
	ClassDB::bind_method(D_METHOD("is_set_as_top_level"), &CanvasItem::is_set_as_top_level);

	ClassDB::bind_method(D_METHOD("set_light_mask", "light_mask"), &CanvasItem::set_light_mask);
	ClassDB::bind_method(D_METHOD("get_light_mask"), &CanvasItem::get_light_mask);

	ClassDB::bind_method(D_METHOD("set_modulate", "modulate"), &CanvasItem::set_modulate);
	ClassDB::bind_method(D_METHOD("get_modulate"), &CanvasItem::get_modulate);

	ClassDB::bind_method(D_METHOD("set_self_modulate", "self_modulate"), &CanvasItem::set_self_modulate);
	ClassDB::bind_method(D_METHOD("get_self_modulate"), &CanvasItem::get_self_modulate);

	ClassDB::bind_method(D_METHOD("set_z_index", "z_index"), &CanvasItem::set_z_index);
	ClassDB::bind_method(D_METHOD("get_z_index"), &CanvasItem::get_z_index);

	ClassDB::bind_method(D_METHOD("set_z_as_relative", "enable"), &CanvasItem::set_z_as_relative);
	ClassDB::bind_method(D_METHOD("is_z_relative"), &CanvasItem::is_z_relative);

	ClassDB::bind_method(D_METHOD("set_y_sort_enabled", "enabled"), &CanvasItem::set_y_sort_enabled);
	ClassDB::bind_method(D_METHOD("is_y_sort_enabled"), &CanvasItem::is_y_sort_enabled);

	ClassDB::bind_method(D_METHOD("set_draw_behind_parent", "enable"), &CanvasItem::set_draw_behind_parent);
	ClassDB::bind_method(D_METHOD("is_draw_behind_parent_enabled"), &CanvasItem::is_draw_behind_parent_enabled);

	ClassDB::bind_method(D_METHOD("draw_line", "from", "to", "color", "width", "antialiased"), &CanvasItem::draw_line, DEFVAL(-1.0), DEFVAL(false));
	ClassDB::bind_method(D_METHOD("draw_dashed_line", "from", "to", "color", "width", "dash", "aligned", "antialiased"), &CanvasItem::draw_dashed_line, DEFVAL(-1.0), DEFVAL(2.0), DEFVAL(true), DEFVAL(false));
	ClassDB::bind_method(D_METHOD("draw_polyline", "points", "color", "width", "antialiased"), &CanvasItem::draw_polyline, DEFVAL(-1.0), DEFVAL(false));
	ClassDB::bind_method(D_METHOD("draw_polyline_colors", "points", "colors", "width", "antialiased"), &CanvasItem::draw_polyline_colors, DEFVAL(-1.0), DEFVAL(false));
	ClassDB::bind_method(D_METHOD("draw_arc", "center", "radius", "start_angle", "end_angle", "point_count", "color", "width", "antialiased"), &CanvasItem::draw_arc, DEFVAL(-1.0), DEFVAL(false));
	ClassDB::bind_method(D_METHOD("draw_multiline", "points", "color", "width", "antialiased"), &CanvasItem::draw_multiline, DEFVAL(-1.0), DEFVAL(false));
	ClassDB::bind_method(D_METHOD("draw_multiline_colors", "points", "colors", "width", "antialiased"), &CanvasItem::draw_multiline_colors, DEFVAL(-1.0), DEFVAL(false));
	ClassDB::bind_method(D_METHOD("draw_rect", "rect", "color", "filled", "width", "antialiased"), &CanvasItem::draw_rect, DEFVAL(true), DEFVAL(-1.0), DEFVAL(false));
	ClassDB::bind_method(D_METHOD("draw_circle", "position", "radius", "color", "filled", "width", "antialiased"), &CanvasItem::draw_circle, DEFVAL(true), DEFVAL(-1.0), DEFVAL(false));
	ClassDB::bind_method(D_METHOD("draw_texture", "texture", "position", "modulate"), &CanvasItem::draw_texture, DEFVAL(Color(1, 1, 1, 1)));
	ClassDB::bind_method(D_METHOD("draw_texture_rect", "texture", "rect", "tile", "modulate", "transpose"), &CanvasItem::draw_texture_rect, DEFVAL(Color(1, 1, 1, 1)), DEFVAL(false));
	ClassDB::bind_method(D_METHOD("draw_texture_rect_region", "texture", "rect", "src_rect", "modulate", "transpose", "clip_uv"), &CanvasItem::draw_texture_rect_region, DEFVAL(Color(1, 1, 1, 1)), DEFVAL(false), DEFVAL(true));
	ClassDB::bind_method(D_METHOD("draw_msdf_texture_rect_region", "texture", "rect", "src_rect", "modulate", "outline", "pixel_range", "scale"), &CanvasItem::draw_msdf_texture_rect_region, DEFVAL(Color(1, 1, 1, 1)), DEFVAL(0.0), DEFVAL(4.0), DEFVAL(1.0));
	ClassDB::bind_method(D_METHOD("draw_lcd_texture_rect_region", "texture", "rect", "src_rect", "modulate"), &CanvasItem::draw_lcd_texture_rect_region, DEFVAL(Color(1, 1, 1, 1)));
	ClassDB::bind_method(D_METHOD("draw_style_box", "style_box", "rect"), &CanvasItem::draw_style_box);
	ClassDB::bind_method(D_METHOD("draw_primitive", "points", "colors", "uvs", "texture"), &CanvasItem::draw_primitive, DEFVAL(Ref<Texture2D>()));
	ClassDB::bind_method(D_METHOD("draw_polygon", "points", "colors", "uvs", "texture"), &CanvasItem::draw_polygon, DEFVAL(PackedVector2Array()), DEFVAL(Ref<Texture2D>()));
	ClassDB::bind_method(D_METHOD("draw_colored_polygon", "points", "color", "uvs", "texture"), &CanvasItem::draw_colored_polygon, DEFVAL(PackedVector2Array()), DEFVAL(Ref<Texture2D>()));
	ClassDB::bind_method(D_METHOD("draw_string", "font", "pos", "text", "alignment", "width", "font_size", "modulate", "justification_flags", "direction", "orientation"), &CanvasItem::draw_string, DEFVAL(HORIZONTAL_ALIGNMENT_LEFT), DEFVAL(-1), DEFVAL(Font::DEFAULT_FONT_SIZE), DEFVAL(Color(1.0, 1.0, 1.0)), DEFVAL(TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND), DEFVAL(TextServer::DIRECTION_AUTO), DEFVAL(TextServer::ORIENTATION_HORIZONTAL));
	ClassDB::bind_method(D_METHOD("draw_multiline_string", "font", "pos", "text", "alignment", "width", "font_size", "max_lines", "modulate", "brk_flags", "justification_flags", "direction", "orientation"), &CanvasItem::draw_multiline_string, DEFVAL(HORIZONTAL_ALIGNMENT_LEFT), DEFVAL(-1), DEFVAL(Font::DEFAULT_FONT_SIZE), DEFVAL(-1), DEFVAL(Color(1.0, 1.0, 1.0)), DEFVAL(TextServer::BREAK_MANDATORY | TextServer::BREAK_WORD_BOUND), DEFVAL(TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND), DEFVAL(TextServer::DIRECTION_AUTO), DEFVAL(TextServer::ORIENTATION_HORIZONTAL));
	ClassDB::bind_method(D_METHOD("draw_string_outline", "font", "pos", "text", "alignment", "width", "font_size", "size", "modulate", "justification_flags", "direction", "orientation"), &CanvasItem::draw_string_outline, DEFVAL(HORIZONTAL_ALIGNMENT_LEFT), DEFVAL(-1), DEFVAL(Font::DEFAULT_FONT_SIZE), DEFVAL(1), DEFVAL(Color(1.0, 1.0, 1.0)), DEFVAL(TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND), DEFVAL(TextServer::DIRECTION_AUTO), DEFVAL(TextServer::ORIENTATION_HORIZONTAL));
	ClassDB::bind_method(D_METHOD("draw_multiline_string_outline", "font", "pos", "text", "alignment", "width", "font_size", "max_lines", "size", "modulate", "brk_flags", "justification_flags", "direction", "orientation"), &CanvasItem::draw_multiline_string_outline, DEFVAL(HORIZONTAL_ALIGNMENT_LEFT), DEFVAL(-1), DEFVAL(Font::DEFAULT_FONT_SIZE), DEFVAL(-1), DEFVAL(1), DEFVAL(Color(1.0, 1.0, 1.0)), DEFVAL(TextServer::BREAK_MANDATORY | TextServer::BREAK_WORD_BOUND), DEFVAL(TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND), DEFVAL(TextServer::DIRECTION_AUTO), DEFVAL(TextServer::ORIENTATION_HORIZONTAL));
	ClassDB::bind_method(D_METHOD("draw_char", "font", "pos", "char", "font_size", "modulate"), &CanvasItem::draw_char, DEFVAL(Font::DEFAULT_FONT_SIZE), DEFVAL(Color(1.0, 1.0, 1.0)));
	ClassDB::bind_method(D_METHOD("draw_char_outline", "font", "pos", "char", "font_size", "size", "modulate"), &CanvasItem::draw_char_outline, DEFVAL(Font::DEFAULT_FONT_SIZE), DEFVAL(-1), DEFVAL(Color(1.0, 1.0, 1.0)));
	ClassDB::bind_method(D_METHOD("draw_mesh", "mesh", "texture", "transform", "modulate"), &CanvasItem::draw_mesh, DEFVAL(Transform2D()), DEFVAL(Color(1, 1, 1, 1)));
	ClassDB::bind_method(D_METHOD("draw_multimesh", "multimesh", "texture"), &CanvasItem::draw_multimesh);
	ClassDB::bind_method(D_METHOD("draw_set_transform", "position", "rotation", "scale"), &CanvasItem::draw_set_transform, DEFVAL(0.0), DEFVAL(Size2(1.0, 1.0)));
	ClassDB::bind_method(D_METHOD("draw_set_transform_matrix", "xform"), &CanvasItem::draw_set_transform_matrix);
	ClassDB::bind_method(D_METHOD("draw_animation_slice", "animation_length", "slice_begin", "slice_end", "offset"), &CanvasItem::draw_animation_slice, DEFVAL(0.0));
	ClassDB::bind_method(D_METHOD("draw_end_animation"), &CanvasItem::draw_end_animation);
	ClassDB::bind_method(D_METHOD("get_transform"), &CanvasItem::get_transform);
	ClassDB::bind_method(D_METHOD("get_global_transform"), &CanvasItem::get_global_transform);
	ClassDB::bind_method(D_METHOD("get_global_transform_with_canvas"), &CanvasItem::get_global_transform_with_canvas);
	ClassDB::bind_method(D_METHOD("get_viewport_transform"), &CanvasItem::get_viewport_transform);
	ClassDB::bind_method(D_METHOD("get_viewport_rect"), &CanvasItem::get_viewport_rect);
	ClassDB::bind_method(D_METHOD("get_canvas_transform"), &CanvasItem::get_canvas_transform);
	ClassDB::bind_method(D_METHOD("get_screen_transform"), &CanvasItem::get_screen_transform);
	ClassDB::bind_method(D_METHOD("get_local_mouse_position"), &CanvasItem::get_local_mouse_position);
	ClassDB::bind_method(D_METHOD("get_global_mouse_position"), &CanvasItem::get_global_mouse_position);
	ClassDB::bind_method(D_METHOD("get_canvas"), &CanvasItem::get_canvas);
	ClassDB::bind_method(D_METHOD("get_canvas_layer_node"), &CanvasItem::get_canvas_layer_node);
	ClassDB::bind_method(D_METHOD("get_world_2d"), &CanvasItem::get_world_2d);
	//ClassDB::bind_method(D_METHOD("get_viewport"),&CanvasItem::get_viewport);

	ClassDB::bind_method(D_METHOD("set_material", "material"), &CanvasItem::set_material);
	ClassDB::bind_method(D_METHOD("get_material"), &CanvasItem::get_material);

	ClassDB::bind_method(D_METHOD("set_instance_shader_parameter", "name", "value"), &CanvasItem::set_instance_shader_parameter);
	ClassDB::bind_method(D_METHOD("get_instance_shader_parameter", "name"), &CanvasItem::get_instance_shader_parameter);

	ClassDB::bind_method(D_METHOD("set_use_parent_material", "enable"), &CanvasItem::set_use_parent_material);
	ClassDB::bind_method(D_METHOD("get_use_parent_material"), &CanvasItem::get_use_parent_material);

	ClassDB::bind_method(D_METHOD("set_notify_local_transform", "enable"), &CanvasItem::set_notify_local_transform);
	ClassDB::bind_method(D_METHOD("is_local_transform_notification_enabled"), &CanvasItem::is_local_transform_notification_enabled);

	ClassDB::bind_method(D_METHOD("set_notify_transform", "enable"), &CanvasItem::set_notify_transform);
	ClassDB::bind_method(D_METHOD("is_transform_notification_enabled"), &CanvasItem::is_transform_notification_enabled);

	ClassDB::bind_method(D_METHOD("force_update_transform"), &CanvasItem::force_update_transform);

	ClassDB::bind_method(D_METHOD("make_canvas_position_local", "viewport_point"), &CanvasItem::make_canvas_position_local);
	ClassDB::bind_method(D_METHOD("make_input_local", "event"), &CanvasItem::make_input_local);

	ClassDB::bind_method(D_METHOD("set_visibility_layer", "layer"), &CanvasItem::set_visibility_layer);
	ClassDB::bind_method(D_METHOD("get_visibility_layer"), &CanvasItem::get_visibility_layer);
	ClassDB::bind_method(D_METHOD("set_visibility_layer_bit", "layer", "enabled"), &CanvasItem::set_visibility_layer_bit);
	ClassDB::bind_method(D_METHOD("get_visibility_layer_bit", "layer"), &CanvasItem::get_visibility_layer_bit);

	ClassDB::bind_method(D_METHOD("set_texture_filter", "mode"), &CanvasItem::set_texture_filter);
	ClassDB::bind_method(D_METHOD("get_texture_filter"), &CanvasItem::get_texture_filter);

	ClassDB::bind_method(D_METHOD("set_texture_repeat", "mode"), &CanvasItem::set_texture_repeat);
	ClassDB::bind_method(D_METHOD("get_texture_repeat"), &CanvasItem::get_texture_repeat);

	ClassDB::bind_method(D_METHOD("set_clip_children_mode", "mode"), &CanvasItem::set_clip_children_mode);
	ClassDB::bind_method(D_METHOD("get_clip_children_mode"), &CanvasItem::get_clip_children_mode);

	GDVIRTUAL_BIND(_draw);

	ADD_GROUP("Visibility", "");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "visible"), "set_visible", "is_visible");
	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "modulate"), "set_modulate", "get_modulate");
	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "self_modulate"), "set_self_modulate", "get_self_modulate");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "show_behind_parent"), "set_draw_behind_parent", "is_draw_behind_parent_enabled");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "top_level"), "set_as_top_level", "is_set_as_top_level");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "clip_children", PROPERTY_HINT_ENUM, "Disabled,Clip Only,Clip + Draw"), "set_clip_children_mode", "get_clip_children_mode");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "light_mask", PROPERTY_HINT_LAYERS_2D_RENDER), "set_light_mask", "get_light_mask");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "visibility_layer", PROPERTY_HINT_LAYERS_2D_RENDER), "set_visibility_layer", "get_visibility_layer");

	ADD_GROUP("Ordering", "");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "z_index", PROPERTY_HINT_RANGE, itos(RS::CANVAS_ITEM_Z_MIN) + "," + itos(RS::CANVAS_ITEM_Z_MAX) + ",1"), "set_z_index", "get_z_index");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "z_as_relative"), "set_z_as_relative", "is_z_relative");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "y_sort_enabled"), "set_y_sort_enabled", "is_y_sort_enabled");

	ADD_GROUP("Texture", "texture_");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_filter", PROPERTY_HINT_ENUM, "Inherit,Nearest,Linear,Nearest Mipmap,Linear Mipmap,Nearest Mipmap Anisotropic,Linear Mipmap Anisotropic"), "set_texture_filter", "get_texture_filter");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_repeat", PROPERTY_HINT_ENUM, "Inherit,Disabled,Enabled,Mirror"), "set_texture_repeat", "get_texture_repeat");

	ADD_GROUP("Material", "");
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "material", PROPERTY_HINT_RESOURCE_TYPE, "CanvasItemMaterial,ShaderMaterial"), "set_material", "get_material");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_parent_material"), "set_use_parent_material", "get_use_parent_material");
	// ADD_PROPERTY(PropertyInfo(Variant::BOOL,"transform/notify"),"set_transform_notify","is_transform_notify_enabled");

	ADD_SIGNAL(MethodInfo("draw"));
	ADD_SIGNAL(MethodInfo("visibility_changed"));
	ADD_SIGNAL(MethodInfo("hidden"));
	ADD_SIGNAL(MethodInfo("item_rect_changed"));

	BIND_CONSTANT(NOTIFICATION_TRANSFORM_CHANGED);
	BIND_CONSTANT(NOTIFICATION_LOCAL_TRANSFORM_CHANGED);
	BIND_CONSTANT(NOTIFICATION_DRAW);
	BIND_CONSTANT(NOTIFICATION_VISIBILITY_CHANGED);
	BIND_CONSTANT(NOTIFICATION_ENTER_CANVAS);
	BIND_CONSTANT(NOTIFICATION_EXIT_CANVAS);
	BIND_CONSTANT(NOTIFICATION_WORLD_2D_CHANGED);

	BIND_ENUM_CONSTANT(TEXTURE_FILTER_PARENT_NODE);
	BIND_ENUM_CONSTANT(TEXTURE_FILTER_NEAREST);
	BIND_ENUM_CONSTANT(TEXTURE_FILTER_LINEAR);
	BIND_ENUM_CONSTANT(TEXTURE_FILTER_NEAREST_WITH_MIPMAPS);
	BIND_ENUM_CONSTANT(TEXTURE_FILTER_LINEAR_WITH_MIPMAPS);
	BIND_ENUM_CONSTANT(TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC);
	BIND_ENUM_CONSTANT(TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC);
	BIND_ENUM_CONSTANT(TEXTURE_FILTER_MAX);

	BIND_ENUM_CONSTANT(TEXTURE_REPEAT_PARENT_NODE);
	BIND_ENUM_CONSTANT(TEXTURE_REPEAT_DISABLED);
	BIND_ENUM_CONSTANT(TEXTURE_REPEAT_ENABLED);
	BIND_ENUM_CONSTANT(TEXTURE_REPEAT_MIRROR);
	BIND_ENUM_CONSTANT(TEXTURE_REPEAT_MAX);

	BIND_ENUM_CONSTANT(CLIP_CHILDREN_DISABLED);
	BIND_ENUM_CONSTANT(CLIP_CHILDREN_ONLY);
	BIND_ENUM_CONSTANT(CLIP_CHILDREN_AND_DRAW);
	BIND_ENUM_CONSTANT(CLIP_CHILDREN_MAX);
}

Transform2D CanvasItem::get_canvas_transform() const {
	ERR_READ_THREAD_GUARD_V(Transform2D());
	ERR_FAIL_COND_V(!is_inside_tree(), Transform2D());

	if (canvas_layer) {
		return canvas_layer->get_final_transform();
	} else if (Object::cast_to<CanvasItem>(get_parent())) {
		return Object::cast_to<CanvasItem>(get_parent())->get_canvas_transform();
	} else {
		return get_viewport()->get_canvas_transform();
	}
}

Transform2D CanvasItem::get_viewport_transform() const {
	ERR_READ_THREAD_GUARD_V(Transform2D());
	ERR_FAIL_COND_V(!is_inside_tree(), Transform2D());

	if (canvas_layer) {
		return get_viewport()->get_final_transform() * canvas_layer->get_final_transform();
	} else {
		return get_viewport()->get_final_transform() * get_viewport()->get_canvas_transform();
	}
}

void CanvasItem::set_notify_local_transform(bool p_enable) {
	ERR_THREAD_GUARD;
	notify_local_transform = p_enable;
}

bool CanvasItem::is_local_transform_notification_enabled() const {
	ERR_READ_THREAD_GUARD_V(false);
	return notify_local_transform;
}

void CanvasItem::set_notify_transform(bool p_enable) {
	ERR_THREAD_GUARD;
	if (notify_transform == p_enable) {
		return;
	}

	notify_transform = p_enable;

	if (notify_transform && is_inside_tree()) {
		// This ensures that invalid globals get resolved, so notifications can be received.
		_ALLOW_DISCARD_ get_global_transform();
	}
}

bool CanvasItem::is_transform_notification_enabled() const {
	ERR_READ_THREAD_GUARD_V(false);
	return notify_transform;
}

int CanvasItem::get_canvas_layer() const {
	ERR_READ_THREAD_GUARD_V(0);
	if (canvas_layer) {
		return canvas_layer->get_layer();
	} else {
		return 0;
	}
}

CanvasLayer *CanvasItem::get_canvas_layer_node() const {
	ERR_READ_THREAD_GUARD_V(nullptr);
	return canvas_layer;
}

void CanvasItem::set_visibility_layer(uint32_t p_visibility_layer) {
	ERR_THREAD_GUARD;
	visibility_layer = p_visibility_layer;
	RenderingServer::get_singleton()->canvas_item_set_visibility_layer(canvas_item, p_visibility_layer);
}

uint32_t CanvasItem::get_visibility_layer() const {
	ERR_READ_THREAD_GUARD_V(0);
	return visibility_layer;
}

void CanvasItem::set_visibility_layer_bit(uint32_t p_visibility_layer, bool p_enable) {
	ERR_THREAD_GUARD;
	ERR_FAIL_UNSIGNED_INDEX(p_visibility_layer, 32);
	if (p_enable) {
		set_visibility_layer(visibility_layer | (1 << p_visibility_layer));
	} else {
		set_visibility_layer(visibility_layer & (~(1 << p_visibility_layer)));
	}
}

bool CanvasItem::get_visibility_layer_bit(uint32_t p_visibility_layer) const {
	ERR_READ_THREAD_GUARD_V(false);
	ERR_FAIL_UNSIGNED_INDEX_V(p_visibility_layer, 32, false);
	return (visibility_layer & (1 << p_visibility_layer));
}

void CanvasItem::_refresh_texture_filter_cache() const {
	if (!is_inside_tree()) {
		return;
	}

	if (texture_filter == TEXTURE_FILTER_PARENT_NODE) {
		CanvasItem *parent_item = get_parent_item();
		if (parent_item) {
			texture_filter_cache = parent_item->texture_filter_cache;
		} else {
			texture_filter_cache = RS::CANVAS_ITEM_TEXTURE_FILTER_DEFAULT;
		}
	} else {
		texture_filter_cache = RS::CanvasItemTextureFilter(texture_filter);
	}
}

void CanvasItem::_update_self_texture_filter(RS::CanvasItemTextureFilter p_texture_filter) {
	RS::get_singleton()->canvas_item_set_default_texture_filter(get_canvas_item(), p_texture_filter);
	queue_redraw();
}

void CanvasItem::_update_texture_filter_changed(bool p_propagate) {
	if (!is_inside_tree()) {
		return;
	}
	_refresh_texture_filter_cache();
	_update_self_texture_filter(texture_filter_cache);

	if (p_propagate) {
		for (CanvasItem *E : children_items) {
			if (!E->top_level && E->texture_filter == TEXTURE_FILTER_PARENT_NODE) {
				E->_update_texture_filter_changed(true);
			}
		}
	}
}

void CanvasItem::set_texture_filter(TextureFilter p_texture_filter) {
	ERR_MAIN_THREAD_GUARD; // Goes down in the tree, so only main thread can set.
	ERR_FAIL_INDEX(p_texture_filter, TEXTURE_FILTER_MAX);
	if (texture_filter == p_texture_filter) {
		return;
	}
	texture_filter = p_texture_filter;
	_update_texture_filter_changed(true);
	notify_property_list_changed();
}

CanvasItem::TextureFilter CanvasItem::get_texture_filter() const {
	ERR_READ_THREAD_GUARD_V(TEXTURE_FILTER_NEAREST);
	return texture_filter;
}

void CanvasItem::_refresh_texture_repeat_cache() const {
	if (!is_inside_tree()) {
		return;
	}

	if (texture_repeat == TEXTURE_REPEAT_PARENT_NODE) {
		CanvasItem *parent_item = get_parent_item();
		if (parent_item) {
			texture_repeat_cache = parent_item->texture_repeat_cache;
		} else {
			texture_repeat_cache = RS::CANVAS_ITEM_TEXTURE_REPEAT_DEFAULT;
		}
	} else {
		texture_repeat_cache = RS::CanvasItemTextureRepeat(texture_repeat);
	}
}

void CanvasItem::_update_self_texture_repeat(RS::CanvasItemTextureRepeat p_texture_repeat) {
	RS::get_singleton()->canvas_item_set_default_texture_repeat(get_canvas_item(), p_texture_repeat);
	queue_redraw();
}

void CanvasItem::_update_texture_repeat_changed(bool p_propagate) {
	if (!is_inside_tree()) {
		return;
	}
	_refresh_texture_repeat_cache();
	_update_self_texture_repeat(texture_repeat_cache);

	if (p_propagate) {
		for (CanvasItem *E : children_items) {
			if (!E->top_level && E->texture_repeat == TEXTURE_REPEAT_PARENT_NODE) {
				E->_update_texture_repeat_changed(true);
			}
		}
	}
}

void CanvasItem::set_texture_repeat(TextureRepeat p_texture_repeat) {
	ERR_MAIN_THREAD_GUARD; // Goes down in the tree, so only main thread can set.
	ERR_FAIL_INDEX(p_texture_repeat, TEXTURE_REPEAT_MAX);
	if (texture_repeat == p_texture_repeat) {
		return;
	}
	texture_repeat = p_texture_repeat;
	_update_texture_repeat_changed(true);
	notify_property_list_changed();
}

void CanvasItem::set_clip_children_mode(ClipChildrenMode p_clip_mode) {
	ERR_THREAD_GUARD;
	ERR_FAIL_COND(p_clip_mode >= CLIP_CHILDREN_MAX);

	if (clip_children_mode == p_clip_mode) {
		return;
	}
	clip_children_mode = p_clip_mode;

	if (Object::cast_to<CanvasGroup>(this) != nullptr) {
		//avoid accidental bugs, make this not work on CanvasGroup
		return;
	}

	RS::get_singleton()->canvas_item_set_canvas_group_mode(get_canvas_item(), RS::CanvasGroupMode(clip_children_mode));
}
CanvasItem::ClipChildrenMode CanvasItem::get_clip_children_mode() const {
	ERR_READ_THREAD_GUARD_V(CLIP_CHILDREN_DISABLED);
	return clip_children_mode;
}

CanvasItem::TextureRepeat CanvasItem::get_texture_repeat() const {
	ERR_READ_THREAD_GUARD_V(TEXTURE_REPEAT_DISABLED);
	return texture_repeat;
}

CanvasItem::TextureFilter CanvasItem::get_texture_filter_in_tree() const {
	ERR_READ_THREAD_GUARD_V(TEXTURE_FILTER_NEAREST);
	_refresh_texture_filter_cache();
	return (TextureFilter)texture_filter_cache;
}

CanvasItem::TextureRepeat CanvasItem::get_texture_repeat_in_tree() const {
	ERR_READ_THREAD_GUARD_V(TEXTURE_REPEAT_DISABLED);
	_refresh_texture_repeat_cache();
	return (TextureRepeat)texture_repeat_cache;
}

CanvasItem::CanvasItem() :
		xform_change(this) {
	canvas_item = RenderingServer::get_singleton()->canvas_item_create();<--- Variable 'canvas_item' is assigned in constructor body. Consider performing initialization in initialization list. [+]When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'canvas_item' a value by passing the value to the constructor in the initialization list.
}

CanvasItem::~CanvasItem() {
	ERR_FAIL_NULL(RenderingServer::get_singleton());
	RenderingServer::get_singleton()->free(canvas_item);
}

///////////////////////////////////////////////////////////////////

void CanvasTexture::set_diffuse_texture(const Ref<Texture2D> &p_diffuse) {
	ERR_FAIL_COND_MSG(Object::cast_to<CanvasTexture>(p_diffuse.ptr()) != nullptr, "Can't self-assign a CanvasTexture");
	if (diffuse_texture == p_diffuse) {
		return;
	}
	diffuse_texture = p_diffuse;

	RID tex_rid = diffuse_texture.is_valid() ? diffuse_texture->get_rid() : RID();
	RS::get_singleton()->canvas_texture_set_channel(canvas_texture, RS::CANVAS_TEXTURE_CHANNEL_DIFFUSE, tex_rid);
	emit_changed();
}
Ref<Texture2D> CanvasTexture::get_diffuse_texture() const {
	return diffuse_texture;
}

void CanvasTexture::set_normal_texture(const Ref<Texture2D> &p_normal) {
	ERR_FAIL_COND_MSG(Object::cast_to<CanvasTexture>(p_normal.ptr()) != nullptr, "Can't self-assign a CanvasTexture");
	if (normal_texture == p_normal) {
		return;
	}
	normal_texture = p_normal;
	RID tex_rid = normal_texture.is_valid() ? normal_texture->get_rid() : RID();
	RS::get_singleton()->canvas_texture_set_channel(canvas_texture, RS::CANVAS_TEXTURE_CHANNEL_NORMAL, tex_rid);
	emit_changed();
}
Ref<Texture2D> CanvasTexture::get_normal_texture() const {
	return normal_texture;
}

void CanvasTexture::set_specular_texture(const Ref<Texture2D> &p_specular) {
	ERR_FAIL_COND_MSG(Object::cast_to<CanvasTexture>(p_specular.ptr()) != nullptr, "Can't self-assign a CanvasTexture");
	if (specular_texture == p_specular) {
		return;
	}
	specular_texture = p_specular;
	RID tex_rid = specular_texture.is_valid() ? specular_texture->get_rid() : RID();
	RS::get_singleton()->canvas_texture_set_channel(canvas_texture, RS::CANVAS_TEXTURE_CHANNEL_SPECULAR, tex_rid);
	emit_changed();
}

Ref<Texture2D> CanvasTexture::get_specular_texture() const {
	return specular_texture;
}

void CanvasTexture::set_specular_color(const Color &p_color) {
	if (specular == p_color) {
		return;
	}
	specular = p_color;
	RS::get_singleton()->canvas_texture_set_shading_parameters(canvas_texture, specular, shininess);
	emit_changed();
}

Color CanvasTexture::get_specular_color() const {
	return specular;
}

void CanvasTexture::set_specular_shininess(real_t p_shininess) {
	if (shininess == p_shininess) {
		return;
	}
	shininess = p_shininess;
	RS::get_singleton()->canvas_texture_set_shading_parameters(canvas_texture, specular, shininess);
	emit_changed();
}

real_t CanvasTexture::get_specular_shininess() const {
	return shininess;
}

void CanvasTexture::set_texture_filter(CanvasItem::TextureFilter p_filter) {
	if (texture_filter == p_filter) {
		return;
	}
	texture_filter = p_filter;
	RS::get_singleton()->canvas_texture_set_texture_filter(canvas_texture, RS::CanvasItemTextureFilter(p_filter));
	emit_changed();
}
CanvasItem::TextureFilter CanvasTexture::get_texture_filter() const {
	return texture_filter;
}

void CanvasTexture::set_texture_repeat(CanvasItem::TextureRepeat p_repeat) {
	if (texture_repeat == p_repeat) {
		return;
	}
	texture_repeat = p_repeat;
	RS::get_singleton()->canvas_texture_set_texture_repeat(canvas_texture, RS::CanvasItemTextureRepeat(p_repeat));
	emit_changed();
}
CanvasItem::TextureRepeat CanvasTexture::get_texture_repeat() const {
	return texture_repeat;
}

int CanvasTexture::get_width() const {
	if (diffuse_texture.is_valid()) {
		return diffuse_texture->get_width();
	} else {
		return 1;
	}
}
int CanvasTexture::get_height() const {
	if (diffuse_texture.is_valid()) {
		return diffuse_texture->get_height();
	} else {
		return 1;
	}
}

bool CanvasTexture::is_pixel_opaque(int p_x, int p_y) const {
	if (diffuse_texture.is_valid()) {
		return diffuse_texture->is_pixel_opaque(p_x, p_y);
	} else {
		return false;
	}
}

bool CanvasTexture::has_alpha() const {
	if (diffuse_texture.is_valid()) {
		return diffuse_texture->has_alpha();
	} else {
		return false;
	}
}

Ref<Image> CanvasTexture::get_image() const {
	if (diffuse_texture.is_valid()) {
		return diffuse_texture->get_image();
	} else {
		return Ref<Image>();
	}
}

RID CanvasTexture::get_rid() const {
	return canvas_texture;
}

void CanvasTexture::_bind_methods() {
	ClassDB::bind_method(D_METHOD("set_diffuse_texture", "texture"), &CanvasTexture::set_diffuse_texture);
	ClassDB::bind_method(D_METHOD("get_diffuse_texture"), &CanvasTexture::get_diffuse_texture);

	ClassDB::bind_method(D_METHOD("set_normal_texture", "texture"), &CanvasTexture::set_normal_texture);
	ClassDB::bind_method(D_METHOD("get_normal_texture"), &CanvasTexture::get_normal_texture);

	ClassDB::bind_method(D_METHOD("set_specular_texture", "texture"), &CanvasTexture::set_specular_texture);
	ClassDB::bind_method(D_METHOD("get_specular_texture"), &CanvasTexture::get_specular_texture);

	ClassDB::bind_method(D_METHOD("set_specular_color", "color"), &CanvasTexture::set_specular_color);
	ClassDB::bind_method(D_METHOD("get_specular_color"), &CanvasTexture::get_specular_color);

	ClassDB::bind_method(D_METHOD("set_specular_shininess", "shininess"), &CanvasTexture::set_specular_shininess);
	ClassDB::bind_method(D_METHOD("get_specular_shininess"), &CanvasTexture::get_specular_shininess);

	ClassDB::bind_method(D_METHOD("set_texture_filter", "filter"), &CanvasTexture::set_texture_filter);
	ClassDB::bind_method(D_METHOD("get_texture_filter"), &CanvasTexture::get_texture_filter);

	ClassDB::bind_method(D_METHOD("set_texture_repeat", "repeat"), &CanvasTexture::set_texture_repeat);
	ClassDB::bind_method(D_METHOD("get_texture_repeat"), &CanvasTexture::get_texture_repeat);

	ADD_GROUP("Diffuse", "diffuse_");
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "diffuse_texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_diffuse_texture", "get_diffuse_texture");
	ADD_GROUP("NormalMap", "normal_");
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "normal_texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_normal_texture", "get_normal_texture");
	ADD_GROUP("Specular", "specular_");
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "specular_texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_specular_texture", "get_specular_texture");
	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "specular_color", PROPERTY_HINT_COLOR_NO_ALPHA), "set_specular_color", "get_specular_color");
	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "specular_shininess", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_specular_shininess", "get_specular_shininess");
	ADD_GROUP("Texture", "texture_");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_filter", PROPERTY_HINT_ENUM, "Inherit,Nearest,Linear,Nearest Mipmap,Linear Mipmap,Nearest Mipmap Anisotropic,Linear Mipmap Anisotropic"), "set_texture_filter", "get_texture_filter");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_repeat", PROPERTY_HINT_ENUM, "Inherit,Disabled,Enabled,Mirror"), "set_texture_repeat", "get_texture_repeat");
}

CanvasTexture::CanvasTexture() {
	canvas_texture = RS::get_singleton()->canvas_texture_create();<--- Variable 'canvas_texture' is assigned in constructor body. Consider performing initialization in initialization list. [+]When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'canvas_texture' a value by passing the value to the constructor in the initialization list.
}
CanvasTexture::~CanvasTexture() {
	ERR_FAIL_NULL(RenderingServer::get_singleton());
	RS::get_singleton()->free(canvas_texture);
}
Cppcheck report - Godot - branch: master, commit: 216b3302f318c32a5dcf250293d90e47e712e8e9 (2024-12-22): scene/main/canvas_item.cpp
