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/*************************************************************************/
/* texture_rect.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 "texture_rect.h"
#include "core/core_string_names.h"
#include "servers/rendering_server.h"
void TextureRect::_notification(int p_what) {
if (p_what == NOTIFICATION_DRAW) {
if (texture.is_null()) {
return;
}
Size2 size;
Point2 offset;
Rect2 region;
bool tile = false;
switch (stretch_mode) {
case STRETCH_SCALE_ON_EXPAND: {
size = expand ? get_size() : texture->get_size();
} break;
case STRETCH_SCALE: {
size = get_size();
} break;
case STRETCH_TILE: {
size = get_size();
tile = true;
} break;
case STRETCH_KEEP: {
size = texture->get_size();
} break;
case STRETCH_KEEP_CENTERED: {
offset = (get_size() - texture->get_size()) / 2;
size = texture->get_size();
} break;
case STRETCH_KEEP_ASPECT_CENTERED:
case STRETCH_KEEP_ASPECT: {
size = get_size();
int tex_width = texture->get_width() * size.height / texture->get_height();
int tex_height = size.height;
if (tex_width > size.width) {
tex_width = size.width;
tex_height = texture->get_height() * tex_width / texture->get_width();
}
if (stretch_mode == STRETCH_KEEP_ASPECT_CENTERED) {
offset.x += (size.width - tex_width) / 2;
offset.y += (size.height - tex_height) / 2;
}
size.width = tex_width;
size.height = tex_height;
} break;
case STRETCH_KEEP_ASPECT_COVERED: {
size = get_size();
Size2 tex_size = texture->get_size();
Size2 scale_size(size.width / tex_size.width, size.height / tex_size.height);
float scale = scale_size.width > scale_size.height ? scale_size.width : scale_size.height;
Size2 scaled_tex_size = tex_size * scale;
region.position = ((scaled_tex_size - size) / scale).abs() / 2.0f;
region.size = size / scale;
} break;
}
Ref<AtlasTexture> p_atlas = texture;
if (p_atlas.is_valid() && region.has_no_area()) {
Size2 scale_size(size.width / texture->get_width(), size.height / texture->get_height());
offset.width += hflip ? p_atlas->get_margin().get_position().width * scale_size.width * 2 : 0;
offset.height += vflip ? p_atlas->get_margin().get_position().height * scale_size.height * 2 : 0;
}
size.width *= hflip ? -1.0f : 1.0f;
size.height *= vflip ? -1.0f : 1.0f;
if (region.has_no_area()) {
draw_texture_rect(texture, Rect2(offset, size), tile);
} else {
draw_texture_rect_region(texture, Rect2(offset, size), region);
}
}
}
Size2 TextureRect::get_minimum_size() const {
if (!expand && !texture.is_null()) {
return texture->get_size();
} else {
return Size2();
}
}
void TextureRect::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_texture", "texture"), &TextureRect::set_texture);
ClassDB::bind_method(D_METHOD("get_texture"), &TextureRect::get_texture);
ClassDB::bind_method(D_METHOD("set_expand", "enable"), &TextureRect::set_expand);
ClassDB::bind_method(D_METHOD("has_expand"), &TextureRect::has_expand);
ClassDB::bind_method(D_METHOD("set_flip_h", "enable"), &TextureRect::set_flip_h);
ClassDB::bind_method(D_METHOD("is_flipped_h"), &TextureRect::is_flipped_h);
ClassDB::bind_method(D_METHOD("set_flip_v", "enable"), &TextureRect::set_flip_v);
ClassDB::bind_method(D_METHOD("is_flipped_v"), &TextureRect::is_flipped_v);
ClassDB::bind_method(D_METHOD("set_stretch_mode", "stretch_mode"), &TextureRect::set_stretch_mode);
ClassDB::bind_method(D_METHOD("get_stretch_mode"), &TextureRect::get_stretch_mode);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_texture", "get_texture");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "expand"), "set_expand", "has_expand");
ADD_PROPERTY(PropertyInfo(Variant::INT, "stretch_mode", PROPERTY_HINT_ENUM, "Scale On Expand (Compat),Scale,Tile,Keep,Keep Centered,Keep Aspect,Keep Aspect Centered,Keep Aspect Covered"), "set_stretch_mode", "get_stretch_mode");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flip_h"), "set_flip_h", "is_flipped_h");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flip_v"), "set_flip_v", "is_flipped_v");
BIND_ENUM_CONSTANT(STRETCH_SCALE_ON_EXPAND);
BIND_ENUM_CONSTANT(STRETCH_SCALE);
BIND_ENUM_CONSTANT(STRETCH_TILE);
BIND_ENUM_CONSTANT(STRETCH_KEEP);
BIND_ENUM_CONSTANT(STRETCH_KEEP_CENTERED);
BIND_ENUM_CONSTANT(STRETCH_KEEP_ASPECT);
BIND_ENUM_CONSTANT(STRETCH_KEEP_ASPECT_CENTERED);
BIND_ENUM_CONSTANT(STRETCH_KEEP_ASPECT_COVERED);
}
void TextureRect::_texture_changed() {
if (texture.is_valid()) {
update();
update_minimum_size();
}
}
void TextureRect::set_texture(const Ref<Texture2D> &p_tex) {
if (p_tex == texture) {
return;
}
if (texture.is_valid()) {
texture->disconnect(CoreStringNames::get_singleton()->changed, callable_mp(this, &TextureRect::_texture_changed));
}
texture = p_tex;
if (texture.is_valid()) {
texture->connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &TextureRect::_texture_changed));
}
update();
update_minimum_size();
}
Ref<Texture2D> TextureRect::get_texture() const {
return texture;
}
void TextureRect::set_expand(bool p_expand) {
expand = p_expand;
update();
update_minimum_size();
}
bool TextureRect::has_expand() const {
return expand;
}
void TextureRect::set_stretch_mode(StretchMode p_mode) {
stretch_mode = p_mode;
update();
}
TextureRect::StretchMode TextureRect::get_stretch_mode() const {
return stretch_mode;
}
void TextureRect::set_flip_h(bool p_flip) {
hflip = p_flip;
update();
}
bool TextureRect::is_flipped_h() const {
return hflip;
}
void TextureRect::set_flip_v(bool p_flip) {
vflip = p_flip;
update();
}
bool TextureRect::is_flipped_v() const {
return vflip;
}
TextureRect::TextureRect() {
set_mouse_filter(MOUSE_FILTER_PASS);
}
TextureRect::~TextureRect() {
}
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