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Diffstat (limited to 'scene/resources/gradient.cpp')
| -rw-r--r-- | scene/resources/gradient.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/scene/resources/gradient.cpp b/scene/resources/gradient.cpp new file mode 100644 index 0000000000..99ce8ef821 --- /dev/null +++ b/scene/resources/gradient.cpp @@ -0,0 +1,176 @@ +/*************************************************************************/ +/* gradient.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 "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::POOL_REAL_ARRAY, "offsets"), COLOR_RAMP_SET_OFFSETS, COLOR_RAMP_GET_OFFSETS); + ADD_PROPERTY(PropertyInfo(Variant::POOL_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() <= 2); + 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) { + if (points.size() <= pos) + points.resize(pos + 1); + points.write[pos].offset = offset; + is_sorted = false; + emit_signal(CoreStringNames::get_singleton()->changed); +} + +float Gradient::get_offset(int pos) const { + if (points.size() && points.size() > pos) + return points[pos].offset; + return 0; //TODO: Maybe throw some error instead? +} + +void Gradient::set_color(int pos, const Color &color) { + if (points.size() <= pos) { + points.resize(pos + 1); + is_sorted = false; + } + points.write[pos].color = color; + emit_signal(CoreStringNames::get_singleton()->changed); +} + +Color Gradient::get_color(int pos) const { + if (points.size() && points.size() > pos) + return points[pos].color; + return Color(0, 0, 0, 1); //TODO: Maybe throw some error instead? +} + +int Gradient::get_points_count() const { + return points.size(); +} |