/**************************************************************************/ /* texture_rect.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 "texture_rect.h" #include "scene/resources/atlas_texture.h" #include "servers/rendering_server.h" void TextureRect::_notification(int p_what) { switch (p_what) { case NOTIFICATION_DRAW: { if (texture.is_null()) { return; } Size2 size; Point2 offset; Rect2 region; bool tile = false; switch (stretch_mode) { 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_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_area()) { draw_texture_rect_region(texture, Rect2(offset, size), region); } else { draw_texture_rect(texture, Rect2(offset, size), tile); } } break; case NOTIFICATION_RESIZED: { update_minimum_size(); } break; } } Size2 TextureRect::get_minimum_size() const { if (!texture.is_null()) { switch (expand_mode) { case EXPAND_KEEP_SIZE: { return texture->get_size(); } break; case EXPAND_IGNORE_SIZE: { return Size2(); } break; case EXPAND_FIT_WIDTH: { return Size2(get_size().y, 0); } break; case EXPAND_FIT_WIDTH_PROPORTIONAL: { real_t ratio = real_t(texture->get_width()) / texture->get_height(); return Size2(get_size().y * ratio, 0); } break; case EXPAND_FIT_HEIGHT: { return Size2(0, get_size().x); } break; case EXPAND_FIT_HEIGHT_PROPORTIONAL: { real_t ratio = real_t(texture->get_height()) / texture->get_width(); return Size2(0, get_size().x * ratio); } break; } } 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_mode", "expand_mode"), &TextureRect::set_expand_mode); ClassDB::bind_method(D_METHOD("get_expand_mode"), &TextureRect::get_expand_mode); 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::INT, "expand_mode", PROPERTY_HINT_ENUM, "Keep Size,Ignore Size,Fit Width,Fit Width Proportional,Fit Height,Fit Height Proportional"), "set_expand_mode", "get_expand_mode"); ADD_PROPERTY(PropertyInfo(Variant::INT, "stretch_mode", PROPERTY_HINT_ENUM, "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(EXPAND_KEEP_SIZE); BIND_ENUM_CONSTANT(EXPAND_IGNORE_SIZE); BIND_ENUM_CONSTANT(EXPAND_FIT_WIDTH); BIND_ENUM_CONSTANT(EXPAND_FIT_WIDTH_PROPORTIONAL); BIND_ENUM_CONSTANT(EXPAND_FIT_HEIGHT); BIND_ENUM_CONSTANT(EXPAND_FIT_HEIGHT_PROPORTIONAL); 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); } #ifndef DISABLE_DEPRECATED bool TextureRect::_set(const StringName &p_name, const Variant &p_value) { if ((p_name == SNAME("expand") || p_name == SNAME("ignore_texture_size")) && p_value.operator bool()) { expand_mode = EXPAND_IGNORE_SIZE; return true; } return false; } #endif void TextureRect::_texture_changed() { queue_redraw(); update_minimum_size(); } void TextureRect::set_texture(const Ref<Texture2D> &p_tex) { if (p_tex == texture) { return; } if (texture.is_valid()) { texture->disconnect_changed(callable_mp(this, &TextureRect::_texture_changed)); } texture = p_tex; if (texture.is_valid()) { texture->connect_changed(callable_mp(this, &TextureRect::_texture_changed)); } queue_redraw(); update_minimum_size(); } Ref<Texture2D> TextureRect::get_texture() const { return texture; } void TextureRect::set_expand_mode(ExpandMode p_mode) { if (expand_mode == p_mode) { return; } expand_mode = p_mode; queue_redraw(); update_minimum_size(); } TextureRect::ExpandMode TextureRect::get_expand_mode() const { return expand_mode; } void TextureRect::set_stretch_mode(StretchMode p_mode) { if (stretch_mode == p_mode) { return; } stretch_mode = p_mode; queue_redraw(); } TextureRect::StretchMode TextureRect::get_stretch_mode() const { return stretch_mode; } void TextureRect::set_flip_h(bool p_flip) { if (hflip == p_flip) { return; } hflip = p_flip; queue_redraw(); } bool TextureRect::is_flipped_h() const { return hflip; } void TextureRect::set_flip_v(bool p_flip) { if (vflip == p_flip) { return; } vflip = p_flip; queue_redraw(); } bool TextureRect::is_flipped_v() const { return vflip; } TextureRect::TextureRect() { set_mouse_filter(MOUSE_FILTER_PASS); } TextureRect::~TextureRect() { }