168 lines
5.1 KiB
C++
168 lines
5.1 KiB
C++
// Modern effects for a modern Streamer
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// Copyright (C) 2019 Michael Fabian Dirks
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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#pragma once
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#include <mutex>
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#include <vector>
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#include "gfx-blur-base.hpp"
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#include "obs/gs/gs-effect.hpp"
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#include "obs/gs/gs-rendertarget.hpp"
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#include "obs/gs/gs-texture.hpp"
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namespace gfx {
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namespace blur {
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class gaussian_data {
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gs::effect _effect;
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std::vector<std::vector<float_t>> _kernels;
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public:
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gaussian_data();
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virtual ~gaussian_data();
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gs::effect get_effect();
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std::vector<float_t> const& get_kernel(size_t width);
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};
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class gaussian_factory : public ::gfx::blur::ifactory {
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std::mutex _data_lock;
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std::weak_ptr<::gfx::blur::gaussian_data> _data;
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public:
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gaussian_factory();
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virtual ~gaussian_factory() override;
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virtual bool is_type_supported(::gfx::blur::type type) override;
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virtual std::shared_ptr<::gfx::blur::base> create(::gfx::blur::type type) override;
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virtual double_t get_min_size(::gfx::blur::type type) override;
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virtual double_t get_step_size(::gfx::blur::type type) override;
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virtual double_t get_max_size(::gfx::blur::type type) override;
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virtual double_t get_min_angle(::gfx::blur::type type) override;
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virtual double_t get_step_angle(::gfx::blur::type type) override;
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virtual double_t get_max_angle(::gfx::blur::type type) override;
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virtual bool is_step_scale_supported(::gfx::blur::type type) override;
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virtual double_t get_min_step_scale_x(::gfx::blur::type type) override;
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virtual double_t get_step_step_scale_x(::gfx::blur::type type) override;
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virtual double_t get_max_step_scale_x(::gfx::blur::type type) override;
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virtual double_t get_min_step_scale_y(::gfx::blur::type type) override;
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virtual double_t get_step_step_scale_y(::gfx::blur::type type) override;
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virtual double_t get_max_step_scale_y(::gfx::blur::type type) override;
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std::shared_ptr<::gfx::blur::gaussian_data> data();
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public: // Singleton
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static ::gfx::blur::gaussian_factory& get();
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};
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class gaussian : public ::gfx::blur::base {
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protected:
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std::shared_ptr<::gfx::blur::gaussian_data> _data;
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double_t _size;
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std::pair<double_t, double_t> _step_scale;
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std::shared_ptr<::gs::texture> _input_texture;
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std::shared_ptr<::gs::rendertarget> _rendertarget;
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private:
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std::shared_ptr<::gs::rendertarget> _rendertarget2;
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public:
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gaussian();
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virtual ~gaussian() override;
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virtual void set_input(std::shared_ptr<::gs::texture> texture) override;
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virtual ::gfx::blur::type get_type() override;
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virtual double_t get_size() override;
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virtual void set_size(double_t width) override;
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virtual void set_step_scale(double_t x, double_t y) override;
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virtual void get_step_scale(double_t& x, double_t& y) override;
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virtual double_t get_step_scale_x() override;
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virtual double_t get_step_scale_y() override;
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virtual std::shared_ptr<::gs::texture> render() override;
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virtual std::shared_ptr<::gs::texture> get() override;
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};
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class gaussian_directional : public ::gfx::blur::gaussian, public ::gfx::blur::base_angle {
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double_t m_angle;
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public:
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gaussian_directional();
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virtual ~gaussian_directional() override;
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virtual ::gfx::blur::type get_type() override;
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virtual double_t get_angle() override;
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virtual void set_angle(double_t angle) override;
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virtual std::shared_ptr<::gs::texture> render() override;
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};
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class gaussian_rotational : public ::gfx::blur::gaussian,
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public ::gfx::blur::base_angle,
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public ::gfx::blur::base_center {
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std::pair<double_t, double_t> m_center;
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double_t m_angle;
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public:
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virtual ::gfx::blur::type get_type() override;
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virtual void set_center(double_t x, double_t y) override;
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virtual void get_center(double_t& x, double_t& y) override;
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virtual double_t get_angle() override;
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virtual void set_angle(double_t angle) override;
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virtual std::shared_ptr<::gs::texture> render() override;
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};
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class gaussian_zoom : public ::gfx::blur::gaussian, public ::gfx::blur::base_center {
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std::pair<double_t, double_t> m_center;
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public:
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virtual ::gfx::blur::type get_type() override;
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virtual void set_center(double_t x, double_t y) override;
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virtual void get_center(double_t& x, double_t& y) override;
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virtual std::shared_ptr<::gs::texture> render() override;
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};
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} // namespace blur
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} // namespace gfx
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