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godot/scene/2d/canvas_item.cpp

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/*************************************************************************/
/* canvas_item.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* 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 "message_queue.h"
#include "os/input.h"
#include "scene/main/canvas_layer.h"
#include "scene/main/viewport.h"
#include "scene/resources/font.h"
#include "scene/resources/style_box.h"
#include "scene/resources/texture.h"
#include "scene/scene_string_names.h"
#include "servers/visual_server.h"
bool CanvasItemMaterial::_set(const StringName &p_name, const Variant &p_value) {
if (p_name == SceneStringNames::get_singleton()->shader_shader) {
set_shader(p_value);
return true;
} else if (p_name == SceneStringNames::get_singleton()->shading_mode) {
set_shading_mode(ShadingMode(p_value.operator int()));
return true;
} else {
if (shader.is_valid()) {
StringName pr = shader->remap_param(p_name);
if (!pr) {
String n = p_name;
if (n.find("param/") == 0) { //backwards compatibility
pr = n.substr(6, n.length());
}
}
if (pr) {
VisualServer::get_singleton()->canvas_item_material_set_shader_param(material, pr, p_value);
return true;
}
}
}
return false;
}
bool CanvasItemMaterial::_get(const StringName &p_name, Variant &r_ret) const {
if (p_name == SceneStringNames::get_singleton()->shader_shader) {
r_ret = get_shader();
return true;
} else if (p_name == SceneStringNames::get_singleton()->shading_mode) {
r_ret = shading_mode;
return true;
} else {
if (shader.is_valid()) {
StringName pr = shader->remap_param(p_name);
if (pr) {
r_ret = VisualServer::get_singleton()->canvas_item_material_get_shader_param(material, pr);
return true;
}
}
}
return false;
}
void CanvasItemMaterial::_get_property_list(List<PropertyInfo> *p_list) const {
p_list->push_back(PropertyInfo(Variant::OBJECT, "shader/shader", PROPERTY_HINT_RESOURCE_TYPE, "CanvasItemShader,CanvasItemShaderGraph"));
p_list->push_back(PropertyInfo(Variant::INT, "shader/shading_mode", PROPERTY_HINT_ENUM, "Normal,Unshaded,Light Only"));
if (!shader.is_null()) {
shader->get_param_list(p_list);
}
}
void CanvasItemMaterial::set_shader(const Ref<Shader> &p_shader) {
ERR_FAIL_COND(p_shader.is_valid() && p_shader->get_mode() != Shader::MODE_CANVAS_ITEM);
shader = p_shader;
RID rid;
if (shader.is_valid())
rid = shader->get_rid();
VS::get_singleton()->canvas_item_material_set_shader(material, rid);
_change_notify(); //properties for shader exposed
emit_changed();
}
Ref<Shader> CanvasItemMaterial::get_shader() const {
return shader;
}
void CanvasItemMaterial::set_shader_param(const StringName &p_param, const Variant &p_value) {
VS::get_singleton()->canvas_item_material_set_shader_param(material, p_param, p_value);
}
Variant CanvasItemMaterial::get_shader_param(const StringName &p_param) const {
return VS::get_singleton()->canvas_item_material_get_shader_param(material, p_param);
}
RID CanvasItemMaterial::get_rid() const {
return material;
}
void CanvasItemMaterial::set_shading_mode(ShadingMode p_mode) {
shading_mode = p_mode;
VS::get_singleton()->canvas_item_material_set_shading_mode(material, VS::CanvasItemShadingMode(p_mode));
}
CanvasItemMaterial::ShadingMode CanvasItemMaterial::get_shading_mode() const {
return shading_mode;
}
void CanvasItemMaterial::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_shader", "shader:Shader"), &CanvasItemMaterial::set_shader);
ObjectTypeDB::bind_method(_MD("get_shader:Shader"), &CanvasItemMaterial::get_shader);
ObjectTypeDB::bind_method(_MD("set_shader_param", "param", "value"), &CanvasItemMaterial::set_shader_param);
ObjectTypeDB::bind_method(_MD("get_shader_param", "param"), &CanvasItemMaterial::get_shader_param);
ObjectTypeDB::bind_method(_MD("set_shading_mode", "mode"), &CanvasItemMaterial::set_shading_mode);
ObjectTypeDB::bind_method(_MD("get_shading_mode"), &CanvasItemMaterial::get_shading_mode);
BIND_CONSTANT(SHADING_NORMAL);
BIND_CONSTANT(SHADING_UNSHADED);
BIND_CONSTANT(SHADING_ONLY_LIGHT);
}
void CanvasItemMaterial::get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const {
String f = p_function.operator String();
if ((f == "get_shader_param" || f == "set_shader_param") && p_idx == 0) {
if (shader.is_valid()) {
List<PropertyInfo> pl;
shader->get_param_list(&pl);
for (List<PropertyInfo>::Element *E = pl.front(); E; E = E->next()) {
r_options->push_back("\"" + E->get().name.replace_first("shader_param/", "") + "\"");
}
}
}
Resource::get_argument_options(p_function, p_idx, r_options);
}
CanvasItemMaterial::CanvasItemMaterial() {
material = VS::get_singleton()->canvas_item_material_create();
shading_mode = SHADING_NORMAL;
}
CanvasItemMaterial::~CanvasItemMaterial() {
VS::get_singleton()->free(material);
}
///////////////////////////////////////////////////////////////////
bool CanvasItem::is_visible() const {
if (!is_inside_tree())
return false;
const CanvasItem *p = this;
while (p) {
if (p->hidden)
return false;
p = p->get_parent_item();
}
return true;
}
bool CanvasItem::is_hidden() const {
/*if (!is_inside_scene())
return false;*/
return hidden;
}
void CanvasItem::_propagate_visibility_changed(bool p_visible) {
notification(NOTIFICATION_VISIBILITY_CHANGED);
if (p_visible)
update(); //todo optimize
else
emit_signal(SceneStringNames::get_singleton()->hide);
_block();
for (int i = 0; i < get_child_count(); i++) {
CanvasItem *c = get_child(i)->cast_to<CanvasItem>();
if (c && !c->hidden) //should the toplevels stop propagation? i think so but..
c->_propagate_visibility_changed(p_visible);
}
_unblock();
}
void CanvasItem::show() {
if (!hidden)
return;
hidden = false;
VisualServer::get_singleton()->canvas_item_set_visible(canvas_item, true);
if (!is_inside_tree())
return;
_propagate_visibility_changed(true);
_change_notify("visibility/visible");
}
void CanvasItem::hide() {
if (hidden)
return;
hidden = true;
VisualServer::get_singleton()->canvas_item_set_visible(canvas_item, false);
if (!is_inside_tree())
return;
_propagate_visibility_changed(false);
_change_notify("visibility/visible");
}
void CanvasItem::set_hidden(bool p_hidden) {
if (hidden == p_hidden) {
return;
}
_set_visible_(!p_hidden);
}
Variant CanvasItem::edit_get_state() const {
return Variant();
}
void CanvasItem::edit_set_state(const Variant &p_state) {
}
void CanvasItem::edit_set_rect(const Rect2 &p_edit_rect) {
//used by editors, implement at will
}
void CanvasItem::edit_rotate(float p_rot) {
}
Size2 CanvasItem::edit_get_minimum_size() const {
return Size2(-1, -1); //no limit
}
void CanvasItem::_update_callback() {
if (!is_inside_tree()) {
pending_update = false;
return;
}
VisualServer::get_singleton()->canvas_item_clear(get_canvas_item());
//todo updating = true - only allow drawing here
if (is_visible()) { //todo optimize this!!
if (first_draw) {
notification(NOTIFICATION_VISIBILITY_CHANGED);
first_draw = false;
}
drawing = true;
notification(NOTIFICATION_DRAW);
emit_signal(SceneStringNames::get_singleton()->draw);
if (get_script_instance()) {
Variant::CallError err;
get_script_instance()->call_multilevel_reversed(SceneStringNames::get_singleton()->_draw, NULL, 0);
}
drawing = false;
}
//todo updating = false
pending_update = false; // don't change to false until finished drawing (avoid recursive update)
}
Matrix32 CanvasItem::get_global_transform_with_canvas() const {
const CanvasItem *ci = this;
Matrix32 xform;
const CanvasItem *last_valid = NULL;
while (ci) {
last_valid = ci;
xform = ci->get_transform() * xform;
ci = ci->get_parent_item();
}
if (last_valid->canvas_layer)
return last_valid->canvas_layer->get_transform() * xform;
else if (is_inside_tree())
return get_viewport()->get_canvas_transform() * xform;
return xform;
}
Matrix32 CanvasItem::get_global_transform() const {
if (global_invalid) {
const CanvasItem *pi = get_parent_item();
if (pi)
global_transform = pi->get_global_transform() * get_transform();
else
global_transform = get_transform();
global_invalid = false;
}
return global_transform;
}
void CanvasItem::_queue_sort_children() {
if (pending_children_sort)
return;
pending_children_sort = true;
MessageQueue::get_singleton()->push_call(this, "_sort_children");
}
void CanvasItem::_sort_children() {
pending_children_sort = false;
if (!is_inside_tree())
return;
for (int i = 0; i < get_child_count(); i++) {
Node *n = get_child(i);
CanvasItem *ci = n->cast_to<CanvasItem>();
if (ci) {
if (ci->toplevel || ci->group != "")
continue;
VisualServer::get_singleton()->canvas_item_raise(n->cast_to<CanvasItem>()->canvas_item);
}
}
}
void CanvasItem::_raise_self() {
if (!is_inside_tree())
return;
VisualServer::get_singleton()->canvas_item_raise(canvas_item);
}
void CanvasItem::_enter_canvas() {
if ((!get_parent() || !get_parent()->cast_to<CanvasItem>()) || toplevel) {
Node *n = this;
canvas_layer = NULL;
while (n) {
canvas_layer = n->cast_to<CanvasLayer>();
if (canvas_layer) {
break;
}
n = n->get_parent();
}
RID canvas;
if (canvas_layer)
canvas = canvas_layer->get_world_2d()->get_canvas();
else
canvas = get_viewport()->find_world_2d()->get_canvas();
VisualServer::get_singleton()->canvas_item_set_parent(canvas_item, canvas);
group = "root_canvas" + itos(canvas.get_id());
add_to_group(group);
get_tree()->call_group(SceneTree::GROUP_CALL_UNIQUE, group, "_raise_self");
} else {
CanvasItem *parent = get_parent_item();
canvas_layer = parent->canvas_layer;
VisualServer::get_singleton()->canvas_item_set_parent(canvas_item, parent->get_canvas_item());
parent->_queue_sort_children();
}
pending_update = false;
update();
notification(NOTIFICATION_ENTER_CANVAS);
}
void CanvasItem::_exit_canvas() {
notification(NOTIFICATION_EXIT_CANVAS, true); //reverse the notification
VisualServer::get_singleton()->canvas_item_set_parent(canvas_item, RID());
canvas_layer = NULL;
group = "";
}
void CanvasItem::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
first_draw = true;
pending_children_sort = false;
if (get_parent()) {
CanvasItem *ci = get_parent()->cast_to<CanvasItem>();
if (ci)
C = ci->children_items.push_back(this);
}
_enter_canvas();
if (!block_transform_notify && !xform_change.in_list()) {
get_tree()->xform_change_list.add(&xform_change);
}
} break;
case NOTIFICATION_MOVED_IN_PARENT: {
if (group != "") {
get_tree()->call_group(SceneTree::GROUP_CALL_UNIQUE, group, "_raise_self");
} else {
CanvasItem *p = get_parent_item();
ERR_FAIL_COND(!p);
p->_queue_sort_children();
}
} break;
case NOTIFICATION_EXIT_TREE: {
if (xform_change.in_list())
get_tree()->xform_change_list.remove(&xform_change);
_exit_canvas();
if (C) {
get_parent()->cast_to<CanvasItem>()->children_items.erase(C);
C = NULL;
}
global_invalid = true;
} break;
case NOTIFICATION_DRAW: {
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
emit_signal(SceneStringNames::get_singleton()->visibility_changed);
} break;
}
}
void CanvasItem::_set_visible_(bool p_visible) {
if (p_visible)
show();
else
hide();
}
bool CanvasItem::_is_visible_() const {
return !is_hidden();
}
void CanvasItem::update() {
if (!is_inside_tree())
return;
if (pending_update)
return;
pending_update = true;
MessageQueue::get_singleton()->push_call(this, "_update_callback");
}
void CanvasItem::set_opacity(float p_opacity) {
opacity = p_opacity;
VisualServer::get_singleton()->canvas_item_set_opacity(canvas_item, opacity);
}
float CanvasItem::get_opacity() const {
return opacity;
}
void CanvasItem::set_as_toplevel(bool p_toplevel) {
if (toplevel == p_toplevel)
return;
if (!is_inside_tree()) {
toplevel = p_toplevel;
return;
}
_exit_canvas();
toplevel = p_toplevel;
_enter_canvas();
}
bool CanvasItem::is_set_as_toplevel() const {
return toplevel;
}
CanvasItem *CanvasItem::get_parent_item() const {
if (toplevel)
return NULL;
Node *parent = get_parent();
if (!parent)
return NULL;
return parent->cast_to<CanvasItem>();
}
void CanvasItem::set_self_opacity(float p_self_opacity) {
self_opacity = p_self_opacity;
VisualServer::get_singleton()->canvas_item_set_self_opacity(canvas_item, self_opacity);
}
float CanvasItem::get_self_opacity() const {
return self_opacity;
}
void CanvasItem::set_blend_mode(BlendMode p_blend_mode) {
ERR_FAIL_INDEX(p_blend_mode, 5);
blend_mode = p_blend_mode;
VisualServer::get_singleton()->canvas_item_set_blend_mode(canvas_item, VS::MaterialBlendMode(blend_mode));
}
CanvasItem::BlendMode CanvasItem::get_blend_mode() const {
return blend_mode;
}
void CanvasItem::set_light_mask(int p_light_mask) {
light_mask = p_light_mask;
VS::get_singleton()->canvas_item_set_light_mask(canvas_item, p_light_mask);
}
int CanvasItem::get_light_mask() const {
return light_mask;
}
void CanvasItem::item_rect_changed() {
update();
emit_signal(SceneStringNames::get_singleton()->item_rect_changed);
}
void CanvasItem::draw_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, float p_width) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
VisualServer::get_singleton()->canvas_item_add_line(canvas_item, p_from, p_to, p_color, p_width);
}
void CanvasItem::draw_rect(const Rect2 &p_rect, const Color &p_color) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
VisualServer::get_singleton()->canvas_item_add_rect(canvas_item, p_rect, p_color);
}
void CanvasItem::draw_circle(const Point2 &p_pos, float p_radius, const Color &p_color) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
VisualServer::get_singleton()->canvas_item_add_circle(canvas_item, p_pos, p_radius, p_color);
}
void CanvasItem::draw_texture(const Ref<Texture> &p_texture, const Point2 &p_pos, const Color &p_modulate) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
ERR_FAIL_COND(p_texture.is_null());
p_texture->draw(canvas_item, p_pos, p_modulate);
}
void CanvasItem::draw_texture_rect(const Ref<Texture> &p_texture, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
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<Texture> &p_texture, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
ERR_FAIL_COND(p_texture.is_null());
p_texture->draw_rect_region(canvas_item, p_rect, p_src_rect, p_modulate, p_transpose);
}
void CanvasItem::draw_style_box(const Ref<StyleBox> &p_style_box, const Rect2 &p_rect) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
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<Texture> p_texture, float p_width) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
RID rid = p_texture.is_valid() ? p_texture->get_rid() : RID();
VisualServer::get_singleton()->canvas_item_add_primitive(canvas_item, p_points, p_colors, p_uvs, rid, p_width);
}
void CanvasItem::draw_set_transform(const Point2 &p_offset, float p_rot, const Size2 &p_scale) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
Matrix32 xform(p_rot, p_offset);
xform.scale_basis(p_scale);
VisualServer::get_singleton()->canvas_item_add_set_transform(canvas_item, xform);
}
void CanvasItem::draw_set_transform_matrix(const Matrix32 &p_matrix) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
VisualServer::get_singleton()->canvas_item_add_set_transform(canvas_item, p_matrix);
}
void CanvasItem::draw_polygon(const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs, Ref<Texture> p_texture) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
RID rid = p_texture.is_valid() ? p_texture->get_rid() : RID();
VisualServer::get_singleton()->canvas_item_add_polygon(canvas_item, p_points, p_colors, p_uvs, rid);
}
void CanvasItem::draw_colored_polygon(const Vector<Point2> &p_points, const Color &p_color, const Vector<Point2> &p_uvs, Ref<Texture> p_texture) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
Vector<Color> colors;
colors.push_back(p_color);
RID rid = p_texture.is_valid() ? p_texture->get_rid() : RID();
VisualServer::get_singleton()->canvas_item_add_polygon(canvas_item, p_points, colors, p_uvs, rid);
}
void CanvasItem::draw_string(const Ref<Font> &p_font, const Point2 &p_pos, const String &p_text, const Color &p_modulate, int p_clip_w) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL();
}
ERR_FAIL_COND(p_font.is_null());
p_font->draw(canvas_item, p_pos, p_text, p_modulate, p_clip_w);
}
float CanvasItem::draw_char(const Ref<Font> &p_font, const Point2 &p_pos, const String &p_char, const String &p_next, const Color &p_modulate) {
if (!drawing) {
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
ERR_FAIL_V(0);
}
ERR_FAIL_COND_V(p_char.length() != 1, 0);
ERR_FAIL_COND_V(p_font.is_null(), 0);
return p_font->draw_char(canvas_item, p_pos, p_char[0], p_next.c_str()[0], p_modulate);
}
void CanvasItem::_notify_transform(CanvasItem *p_node) {
if (p_node->xform_change.in_list() && p_node->global_invalid)
return; //nothing to do
p_node->global_invalid = true;
if (!p_node->xform_change.in_list()) {
if (!p_node->block_transform_notify) {
if (p_node->is_inside_tree())
get_tree()->xform_change_list.add(&p_node->xform_change);
}
}
for (List<CanvasItem *>::Element *E = p_node->children_items.front(); E; E = E->next()) {
CanvasItem *ci = E->get();
if (ci->toplevel)
continue;
_notify_transform(ci);
}
}
Rect2 CanvasItem::get_viewport_rect() const {
ERR_FAIL_COND_V(!is_inside_tree(), Rect2());
return get_viewport()->get_visible_rect();
}
RID CanvasItem::get_canvas() const {
ERR_FAIL_COND_V(!is_inside_tree(), RID());
if (canvas_layer)
return canvas_layer->get_world_2d()->get_canvas();
else
return get_viewport()->find_world_2d()->get_canvas();
}
CanvasItem *CanvasItem::get_toplevel() const {
CanvasItem *ci = const_cast<CanvasItem *>(this);
while (!ci->toplevel && ci->get_parent() && ci->get_parent()->cast_to<CanvasItem>()) {
ci = ci->get_parent()->cast_to<CanvasItem>();
}
return ci;
}
Ref<World2D> CanvasItem::get_world_2d() const {
ERR_FAIL_COND_V(!is_inside_tree(), Ref<World2D>());
CanvasItem *tl = get_toplevel();
if (tl->canvas_layer) {
return tl->canvas_layer->get_world_2d();
} else if (tl->get_viewport()) {
return tl->get_viewport()->find_world_2d();
} else {
return Ref<World2D>();
}
}
RID CanvasItem::get_viewport_rid() const {
ERR_FAIL_COND_V(!is_inside_tree(), RID());
return get_viewport()->get_viewport();
}
void CanvasItem::set_block_transform_notify(bool p_enable) {
block_transform_notify = p_enable;
}
bool CanvasItem::is_block_transform_notify_enabled() const {
return block_transform_notify;
}
void CanvasItem::set_draw_behind_parent(bool p_enable) {
if (behind == p_enable)
return;
behind = p_enable;
VisualServer::get_singleton()->canvas_item_set_on_top(canvas_item, !behind);
}
bool CanvasItem::is_draw_behind_parent_enabled() const {
return behind;
}
void CanvasItem::set_material(const Ref<CanvasItemMaterial> &p_material) {
material = p_material;
RID rid;
if (material.is_valid())
rid = material->get_rid();
VS::get_singleton()->canvas_item_set_material(canvas_item, rid);
_change_notify(); //properties for material exposed
}
void CanvasItem::set_use_parent_material(bool p_use_parent_material) {
use_parent_material = p_use_parent_material;
VS::get_singleton()->canvas_item_set_use_parent_material(canvas_item, p_use_parent_material);
}
bool CanvasItem::get_use_parent_material() const {
return use_parent_material;
}
Ref<CanvasItemMaterial> CanvasItem::get_material() const {
return material;
}
Vector2 CanvasItem::make_canvas_pos_local(const Vector2 &screen_point) const {
ERR_FAIL_COND_V(!is_inside_tree(), screen_point);
Matrix32 local_matrix = (get_canvas_transform() *
get_global_transform())
.affine_inverse();
return local_matrix.xform(screen_point);
}
InputEvent CanvasItem::make_input_local(const InputEvent &p_event) const {
ERR_FAIL_COND_V(!is_inside_tree(), p_event);
return p_event.xform_by((get_canvas_transform() * get_global_transform()).affine_inverse());
}
Vector2 CanvasItem::get_global_mouse_pos() const {
ERR_FAIL_COND_V(!get_viewport(), Vector2());
return get_canvas_transform().affine_inverse().xform(get_viewport()->get_mouse_pos());
}
Vector2 CanvasItem::get_local_mouse_pos() const {
ERR_FAIL_COND_V(!get_viewport(), Vector2());
return get_global_transform().affine_inverse().xform(get_global_mouse_pos());
}
void CanvasItem::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_sort_children"), &CanvasItem::_sort_children);
ObjectTypeDB::bind_method(_MD("_raise_self"), &CanvasItem::_raise_self);
ObjectTypeDB::bind_method(_MD("_update_callback"), &CanvasItem::_update_callback);
ObjectTypeDB::bind_method(_MD("_set_visible_"), &CanvasItem::_set_visible_);
ObjectTypeDB::bind_method(_MD("_is_visible_"), &CanvasItem::_is_visible_);
ObjectTypeDB::bind_method(_MD("edit_set_state", "state"), &CanvasItem::edit_set_state);
ObjectTypeDB::bind_method(_MD("edit_get_state:Variant"), &CanvasItem::edit_get_state);
ObjectTypeDB::bind_method(_MD("edit_set_rect", "rect"), &CanvasItem::edit_set_rect);
ObjectTypeDB::bind_method(_MD("edit_rotate", "degrees"), &CanvasItem::edit_rotate);
ObjectTypeDB::bind_method(_MD("get_item_rect"), &CanvasItem::get_item_rect);
ObjectTypeDB::bind_method(_MD("get_item_and_children_rect"), &CanvasItem::get_item_and_children_rect);
//ObjectTypeDB::bind_method(_MD("get_transform"),&CanvasItem::get_transform);
ObjectTypeDB::bind_method(_MD("get_canvas_item"), &CanvasItem::get_canvas_item);
ObjectTypeDB::bind_method(_MD("is_visible"), &CanvasItem::is_visible);
ObjectTypeDB::bind_method(_MD("is_hidden"), &CanvasItem::is_hidden);
ObjectTypeDB::bind_method(_MD("show"), &CanvasItem::show);
ObjectTypeDB::bind_method(_MD("hide"), &CanvasItem::hide);
ObjectTypeDB::bind_method(_MD("set_hidden", "hidden"), &CanvasItem::set_hidden);
ObjectTypeDB::bind_method(_MD("update"), &CanvasItem::update);
ObjectTypeDB::bind_method(_MD("set_as_toplevel", "enable"), &CanvasItem::set_as_toplevel);
ObjectTypeDB::bind_method(_MD("is_set_as_toplevel"), &CanvasItem::is_set_as_toplevel);
ObjectTypeDB::bind_method(_MD("set_blend_mode", "blend_mode"), &CanvasItem::set_blend_mode);
ObjectTypeDB::bind_method(_MD("get_blend_mode"), &CanvasItem::get_blend_mode);
ObjectTypeDB::bind_method(_MD("set_light_mask", "light_mask"), &CanvasItem::set_light_mask);
ObjectTypeDB::bind_method(_MD("get_light_mask"), &CanvasItem::get_light_mask);
ObjectTypeDB::bind_method(_MD("set_opacity", "opacity"), &CanvasItem::set_opacity);
ObjectTypeDB::bind_method(_MD("get_opacity"), &CanvasItem::get_opacity);
ObjectTypeDB::bind_method(_MD("set_self_opacity", "self_opacity"), &CanvasItem::set_self_opacity);
ObjectTypeDB::bind_method(_MD("get_self_opacity"), &CanvasItem::get_self_opacity);
ObjectTypeDB::bind_method(_MD("set_draw_behind_parent", "enable"), &CanvasItem::set_draw_behind_parent);
ObjectTypeDB::bind_method(_MD("is_draw_behind_parent_enabled"), &CanvasItem::is_draw_behind_parent_enabled);
ObjectTypeDB::bind_method(_MD("_set_on_top", "on_top"), &CanvasItem::_set_on_top);
ObjectTypeDB::bind_method(_MD("_is_on_top"), &CanvasItem::_is_on_top);
//ObjectTypeDB::bind_method(_MD("get_transform"),&CanvasItem::get_transform);
ObjectTypeDB::bind_method(_MD("draw_line", "from", "to", "color", "width"), &CanvasItem::draw_line, DEFVAL(1.0));
ObjectTypeDB::bind_method(_MD("draw_rect", "rect", "color"), &CanvasItem::draw_rect);
ObjectTypeDB::bind_method(_MD("draw_circle", "pos", "radius", "color"), &CanvasItem::draw_circle);
ObjectTypeDB::bind_method(_MD("draw_texture", "texture:Texture", "pos", "modulate"), &CanvasItem::draw_texture, DEFVAL(Color(1, 1, 1, 1)));
ObjectTypeDB::bind_method(_MD("draw_texture_rect", "texture:Texture", "rect", "tile", "modulate", "transpose"), &CanvasItem::draw_texture_rect, DEFVAL(Color(1, 1, 1)), DEFVAL(false));
ObjectTypeDB::bind_method(_MD("draw_texture_rect_region", "texture:Texture", "rect", "src_rect", "modulate", "transpose"), &CanvasItem::draw_texture_rect_region, DEFVAL(Color(1, 1, 1)), DEFVAL(false));
ObjectTypeDB::bind_method(_MD("draw_style_box", "style_box:StyleBox", "rect"), &CanvasItem::draw_style_box);
ObjectTypeDB::bind_method(_MD("draw_primitive", "points", "colors", "uvs", "texture:Texture", "width"), &CanvasItem::draw_primitive, DEFVAL(Variant()), DEFVAL(1.0));
ObjectTypeDB::bind_method(_MD("draw_polygon", "points", "colors", "uvs", "texture:Texture"), &CanvasItem::draw_polygon, DEFVAL(Vector2Array()), DEFVAL(Variant()));
ObjectTypeDB::bind_method(_MD("draw_colored_polygon", "points", "color", "uvs", "texture:Texture"), &CanvasItem::draw_colored_polygon, DEFVAL(Vector2Array()), DEFVAL(Variant()));
ObjectTypeDB::bind_method(_MD("draw_string", "font:Font", "pos", "text", "modulate", "clip_w"), &CanvasItem::draw_string, DEFVAL(Color(1, 1, 1)), DEFVAL(-1));
ObjectTypeDB::bind_method(_MD("draw_char", "font:Font", "pos", "char", "next", "modulate"), &CanvasItem::draw_char, DEFVAL(Color(1, 1, 1)));
ObjectTypeDB::bind_method(_MD("draw_set_transform", "pos", "rot", "scale"), &CanvasItem::draw_set_transform);
ObjectTypeDB::bind_method(_MD("draw_set_transform_matrix", "xform"), &CanvasItem::draw_set_transform_matrix);
ObjectTypeDB::bind_method(_MD("get_transform"), &CanvasItem::get_transform);
ObjectTypeDB::bind_method(_MD("get_global_transform"), &CanvasItem::get_global_transform);
ObjectTypeDB::bind_method(_MD("get_global_transform_with_canvas"), &CanvasItem::get_global_transform_with_canvas);
ObjectTypeDB::bind_method(_MD("get_viewport_transform"), &CanvasItem::get_viewport_transform);
ObjectTypeDB::bind_method(_MD("get_viewport_rect"), &CanvasItem::get_viewport_rect);
ObjectTypeDB::bind_method(_MD("get_canvas_transform"), &CanvasItem::get_canvas_transform);
ObjectTypeDB::bind_method(_MD("get_local_mouse_pos"), &CanvasItem::get_local_mouse_pos);
ObjectTypeDB::bind_method(_MD("get_global_mouse_pos"), &CanvasItem::get_global_mouse_pos);
ObjectTypeDB::bind_method(_MD("get_canvas"), &CanvasItem::get_canvas);
ObjectTypeDB::bind_method(_MD("get_world_2d"), &CanvasItem::get_world_2d);
//ObjectTypeDB::bind_method(_MD("get_viewport"),&CanvasItem::get_viewport);
ObjectTypeDB::bind_method(_MD("set_material", "material:CanvasItemMaterial"), &CanvasItem::set_material);
ObjectTypeDB::bind_method(_MD("get_material:CanvasItemMaterial"), &CanvasItem::get_material);
ObjectTypeDB::bind_method(_MD("set_use_parent_material", "enable"), &CanvasItem::set_use_parent_material);
ObjectTypeDB::bind_method(_MD("get_use_parent_material"), &CanvasItem::get_use_parent_material);
ObjectTypeDB::bind_method(_MD("make_canvas_pos_local", "screen_point"),
&CanvasItem::make_canvas_pos_local);
ObjectTypeDB::bind_method(_MD("make_input_local", "event"), &CanvasItem::make_input_local);
BIND_VMETHOD(MethodInfo("_draw"));
ADD_PROPERTYNO(PropertyInfo(Variant::BOOL, "visibility/visible"), _SCS("_set_visible_"), _SCS("_is_visible_"));
ADD_PROPERTYNO(PropertyInfo(Variant::REAL, "visibility/opacity", PROPERTY_HINT_RANGE, "0,1,0.01"), _SCS("set_opacity"), _SCS("get_opacity"));
ADD_PROPERTYNO(PropertyInfo(Variant::REAL, "visibility/self_opacity", PROPERTY_HINT_RANGE, "0,1,0.01"), _SCS("set_self_opacity"), _SCS("get_self_opacity"));
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "visibility/behind_parent"), _SCS("set_draw_behind_parent"), _SCS("is_draw_behind_parent_enabled"));
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "visibility/on_top", PROPERTY_HINT_NONE, "", 0), _SCS("_set_on_top"), _SCS("_is_on_top")); //compatibility
ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "visibility/blend_mode", PROPERTY_HINT_ENUM, "Mix,Add,Sub,Mul,PMAlpha"), _SCS("set_blend_mode"), _SCS("get_blend_mode"));
ADD_PROPERTYNO(PropertyInfo(Variant::INT, "visibility/light_mask", PROPERTY_HINT_ALL_FLAGS), _SCS("set_light_mask"), _SCS("get_light_mask"));
ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT, "material/material", PROPERTY_HINT_RESOURCE_TYPE, "CanvasItemMaterial"), _SCS("set_material"), _SCS("get_material"));
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "material/use_parent"), _SCS("set_use_parent_material"), _SCS("get_use_parent_material"));
//exporting these two things doesn't really make much sense i think
//ADD_PROPERTY( PropertyInfo(Variant::BOOL,"transform/toplevel"), _SCS("set_as_toplevel"),_SCS("is_set_as_toplevel") );
//ADD_PROPERTY(PropertyInfo(Variant::BOOL,"transform/notify"),_SCS("set_transform_notify"),_SCS("is_transform_notify_enabled"));
ADD_SIGNAL(MethodInfo("draw"));
ADD_SIGNAL(MethodInfo("visibility_changed"));
ADD_SIGNAL(MethodInfo("hide"));
ADD_SIGNAL(MethodInfo("item_rect_changed"));
BIND_CONSTANT(BLEND_MODE_MIX);
BIND_CONSTANT(BLEND_MODE_ADD);
BIND_CONSTANT(BLEND_MODE_SUB);
BIND_CONSTANT(BLEND_MODE_MUL);
BIND_CONSTANT(BLEND_MODE_PREMULT_ALPHA);
BIND_CONSTANT(NOTIFICATION_DRAW);
BIND_CONSTANT(NOTIFICATION_VISIBILITY_CHANGED);
BIND_CONSTANT(NOTIFICATION_ENTER_CANVAS);
BIND_CONSTANT(NOTIFICATION_EXIT_CANVAS);
BIND_CONSTANT(NOTIFICATION_TRANSFORM_CHANGED);
}
Matrix32 CanvasItem::get_canvas_transform() const {
ERR_FAIL_COND_V(!is_inside_tree(), Matrix32());
if (canvas_layer)
return canvas_layer->get_transform();
else if (get_parent()->cast_to<CanvasItem>())
return get_parent()->cast_to<CanvasItem>()->get_canvas_transform();
else
return get_viewport()->get_canvas_transform();
}
Matrix32 CanvasItem::get_viewport_transform() const {
ERR_FAIL_COND_V(!is_inside_tree(), Matrix32());
if (canvas_layer) {
if (get_viewport()) {
return get_viewport()->get_final_transform() * canvas_layer->get_transform();
} else {
return canvas_layer->get_transform();
}
} else {
return get_viewport()->get_final_transform() * get_viewport()->get_canvas_transform();
}
}
void CanvasItem::set_notify_local_transform(bool p_enable) {
notify_local_transform = p_enable;
}
bool CanvasItem::is_local_transform_notification_enabled() const {
return notify_local_transform;
}
int CanvasItem::get_canvas_layer() const {
if (canvas_layer)
return canvas_layer->get_layer();
else
return 0;
}
Rect2 CanvasItem::get_item_and_children_rect() const {
Rect2 rect = get_item_rect();
for (int i = 0; i < get_child_count(); i++) {
CanvasItem *c = get_child(i)->cast_to<CanvasItem>();
if (c) {
Rect2 sir = c->get_transform().xform(c->get_item_and_children_rect());
rect = rect.merge(sir);
}
}
return rect;
}
CanvasItem::CanvasItem() :
xform_change(this) {
canvas_item = VisualServer::get_singleton()->canvas_item_create();
hidden = false;
pending_update = false;
opacity = 1;
self_opacity = 1;
toplevel = false;
pending_children_sort = false;
first_draw = false;
blend_mode = BLEND_MODE_MIX;
drawing = false;
behind = false;
block_transform_notify = false;
// viewport=NULL;
canvas_layer = NULL;
use_parent_material = false;
global_invalid = true;
notify_local_transform = false;
light_mask = 1;
C = NULL;
}
CanvasItem::~CanvasItem() {
VisualServer::get_singleton()->free(canvas_item);
}
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