62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
#pragma once
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#include "node_border.h"
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#include "rtt.h"
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#include "brush.h"
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#include "texture.h"
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class NodeStrokePreview : public NodeBorder
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{
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struct StrokeFrame
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{
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glm::vec4 col;
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float flow;
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float opacity;
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std::array<vertex_t, 4> shapes;
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glm::vec4 m_mixer_rect;
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};
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static RTT m_rtt;
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static RTT m_rtt_mixer;
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static Texture2D m_tex; // blending tmp texture
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static Texture2D m_tex_dual;
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static Texture2D m_tex_background;
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static Sampler m_sampler_linear;
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static Sampler m_sampler_linear_repeat;
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static Sampler m_sampler_mipmap;
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static DynamicShape m_brush_shape;
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Texture2D m_tex_preview;
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public:
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using parent = NodeBorder;
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static std::atomic_int s_instances;
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static std::atomic_bool s_running;
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static std::mutex s_render_mutex;
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static std::thread s_renderer;
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static BlockingQueue<std::shared_ptr<NodeStrokePreview>> s_queue;
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static void terminate_renderer();
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static void empty_queue();
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std::shared_ptr<Brush> m_brush;
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bool m_draw_first = false;
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glm::vec2 m_preview_size = { 0, 0 };
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float m_min_flow = 0.f;
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float m_max_size = 0.f;
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float m_pad_override = NAN;
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virtual Node* clone_instantiate() const override;
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virtual void clone_copy(Node* dest) const override;
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virtual void clone_children(Node* dest) const override;
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virtual void clone_finalize(Node* dest) const override;
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void init_controls();
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virtual void restore_context() override;
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virtual void clear_context() override;
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void stroke_draw_mix(const glm::vec2& bb_min, const glm::vec2& bb_sz);
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// return rect {origin, size}
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glm::vec4 stroke_draw_samples(std::array<vertex_t, 4>& P, Texture2D& blend_tex);
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std::vector<StrokeFrame> stroke_draw_compute(Stroke& stroke, float zoom) const;
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void draw_stroke();
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void draw_stroke_immediate();
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Image render_to_image();
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virtual void draw() override;
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virtual void handle_resize(glm::vec2 old_size, glm::vec2 new_size, float zoom) override;
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virtual void destroy() override;
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virtual void handle_on_screen(bool old_visibility, bool new_visibility) override;
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};
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