theme_decor.hpp

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/*
    Copyright 2026 JigSawFr
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
 
        http://www.apache.org/licenses/LICENSE-2.0
 
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/
 
#pragma once
 
#include <nanovg.h>
 
#include <aurore/core/theme.hpp>
#include <aurore/core/time.hpp>
 
namespace aurore
{
 
class ThemeDecorations
{
  public:
    // The particles at most (a density of 1)
    static constexpr int MAX_PARTICLES = 60;
    // Their rate: they move at most this many times a second
    static constexpr int PARTICLE_FPS = 30;
    // Without input this long, they fade out and stop
    static constexpr int IDLE_SECONDS = 60;
 
    static void update(ThemeVariant variant);
 
    static void drawBackdrop(ThemeArea area, NVGcontext* vg, float x, float y, float width, float height, float radius = 0.0f);
 
    static void drawStrips(NVGcontext* vg, float x, float y, float width, float height);
 
    static void drawParticles(NVGcontext* vg, ParticleLayer layer, float width, float height);
 
    static bool step(Time now);
 
    static bool particlesRunning();
 
    static int particleCount();
 
    static bool hasPicture(ThemeArea area);
 
    static void reset();
};
 
} // namespace aurore