/*************************************************************************/ /* gradient.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 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 "gradient.h" #include "core/core_string_names.h" //setter and getter names for property serialization #define COLOR_RAMP_GET_OFFSETS "get_offsets" #define COLOR_RAMP_GET_COLORS "get_colors" #define COLOR_RAMP_SET_OFFSETS "set_offsets" #define COLOR_RAMP_SET_COLORS "set_colors" Gradient::Gradient() { //Set initial color ramp transition from black to white points.resize(2); points.write[0].color = Color(0, 0, 0, 1); points.write[0].offset = 0; points.write[1].color = Color(1, 1, 1, 1); points.write[1].offset = 1; is_sorted = true; } Gradient::~Gradient() { } void Gradient::_bind_methods() { ClassDB::bind_method(D_METHOD("add_point", "offset", "color"), &Gradient::add_point); ClassDB::bind_method(D_METHOD("remove_point", "offset"), &Gradient::remove_point); ClassDB::bind_method(D_METHOD("set_offset", "point", "offset"), &Gradient::set_offset); ClassDB::bind_method(D_METHOD("get_offset", "point"), &Gradient::get_offset); ClassDB::bind_method(D_METHOD("set_color", "point", "color"), &Gradient::set_color); ClassDB::bind_method(D_METHOD("get_color", "point"), &Gradient::get_color); ClassDB::bind_method(D_METHOD("interpolate", "offset"), &Gradient::get_color_at_offset); ClassDB::bind_method(D_METHOD("get_point_count"), &Gradient::get_points_count); ClassDB::bind_method(D_METHOD(COLOR_RAMP_SET_OFFSETS, "offsets"), &Gradient::set_offsets); ClassDB::bind_method(D_METHOD(COLOR_RAMP_GET_OFFSETS), &Gradient::get_offsets); ClassDB::bind_method(D_METHOD(COLOR_RAMP_SET_COLORS, "colors"), &Gradient::set_colors); ClassDB::bind_method(D_METHOD(COLOR_RAMP_GET_COLORS), &Gradient::get_colors); ADD_PROPERTY(PropertyInfo(Variant::PACKED_FLOAT32_ARRAY, "offsets"), COLOR_RAMP_SET_OFFSETS, COLOR_RAMP_GET_OFFSETS); ADD_PROPERTY(PropertyInfo(Variant::PACKED_COLOR_ARRAY, "colors"), COLOR_RAMP_SET_COLORS, COLOR_RAMP_GET_COLORS); } Vector<float> Gradient::get_offsets() const { Vector<float> offsets; offsets.resize(points.size()); for (int i = 0; i < points.size(); i++) { offsets.write[i] = points[i].offset; } return offsets; } Vector<Color> Gradient::get_colors() const { Vector<Color> colors; colors.resize(points.size()); for (int i = 0; i < points.size(); i++) { colors.write[i] = points[i].color; } return colors; } void Gradient::set_offsets(const Vector<float> &p_offsets) { points.resize(p_offsets.size()); for (int i = 0; i < points.size(); i++) { points.write[i].offset = p_offsets[i]; } is_sorted = false; emit_signal(CoreStringNames::get_singleton()->changed); } void Gradient::set_colors(const Vector<Color> &p_colors) { if (points.size() < p_colors.size()) { is_sorted = false; } points.resize(p_colors.size()); for (int i = 0; i < points.size(); i++) { points.write[i].color = p_colors[i]; } emit_signal(CoreStringNames::get_singleton()->changed); } Vector<Gradient::Point> &Gradient::get_points() { return points; } void Gradient::add_point(float p_offset, const Color &p_color) { Point p; p.offset = p_offset; p.color = p_color; is_sorted = false; points.push_back(p); emit_signal(CoreStringNames::get_singleton()->changed); } void Gradient::remove_point(int p_index) { ERR_FAIL_INDEX(p_index, points.size()); ERR_FAIL_COND(points.size() <= 1); points.remove(p_index); emit_signal(CoreStringNames::get_singleton()->changed); } void Gradient::set_points(Vector<Gradient::Point> &p_points) { points = p_points; is_sorted = false; emit_signal(CoreStringNames::get_singleton()->changed); } void Gradient::set_offset(int pos, const float offset) { ERR_FAIL_INDEX(pos, points.size()); _update_sorting(); points.write[pos].offset = offset; is_sorted = false; emit_signal(CoreStringNames::get_singleton()->changed); } float Gradient::get_offset(int pos) { ERR_FAIL_INDEX_V(pos, points.size(), 0.0); _update_sorting(); return points[pos].offset; } void Gradient::set_color(int pos, const Color &color) { ERR_FAIL_INDEX(pos, points.size()); _update_sorting(); points.write[pos].color = color; emit_signal(CoreStringNames::get_singleton()->changed); } Color Gradient::get_color(int pos) { ERR_FAIL_INDEX_V(pos, points.size(), Color()); _update_sorting(); return points[pos].color; } int Gradient::get_points_count() const { return points.size(); }