116 lines
3.2 KiB
C++
116 lines
3.2 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2018 Jérémie Dumas <jeremie.dumas@ens-lyon.org>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_OPENGL_GLFW_IMGUI_IMGUIMENU_H
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#define IGL_OPENGL_GLFW_IMGUI_IMGUIMENU_H
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////////////////////////////////////////////////////////////////////////////////
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#include <igl/opengl/glfw/Viewer.h>
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#include <igl/opengl/glfw/ViewerPlugin.h>
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#include <igl/igl_inline.h>
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#include <memory>
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////////////////////////////////////////////////////////////////////////////////
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// Forward declarations
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struct ImGuiContext;
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namespace igl
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{
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namespace opengl
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{
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namespace glfw
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{
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namespace imgui
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{
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class ImGuiMenu : public igl::opengl::glfw::ViewerPlugin
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{
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protected:
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// Hidpi scaling to be used for text rendering.
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float hidpi_scaling_;
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// Ratio between the framebuffer size and the window size.
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// May be different from the hipdi scaling!
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float pixel_ratio_;
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// ImGui Context
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ImGuiContext * context_ = nullptr;
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public:
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IGL_INLINE virtual void init(igl::opengl::glfw::Viewer *_viewer) override;
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IGL_INLINE virtual void reload_font(int font_size = 13);
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IGL_INLINE virtual void shutdown() override;
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IGL_INLINE virtual bool pre_draw() override;
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IGL_INLINE virtual bool post_draw() override;
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IGL_INLINE virtual void post_resize(int width, int height) override;
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// Mouse IO
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IGL_INLINE virtual bool mouse_down(int button, int modifier) override;
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IGL_INLINE virtual bool mouse_up(int button, int modifier) override;
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IGL_INLINE virtual bool mouse_move(int mouse_x, int mouse_y) override;
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IGL_INLINE virtual bool mouse_scroll(float delta_y) override;
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// Keyboard IO
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IGL_INLINE virtual bool key_pressed(unsigned int key, int modifiers) override;
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IGL_INLINE virtual bool key_down(int key, int modifiers) override;
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IGL_INLINE virtual bool key_up(int key, int modifiers) override;
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// Draw menu
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IGL_INLINE virtual void draw_menu();
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// Can be overwritten by `callback_draw_viewer_window`
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IGL_INLINE virtual void draw_viewer_window();
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// Can be overwritten by `callback_draw_viewer_menu`
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IGL_INLINE virtual void draw_viewer_menu();
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// Can be overwritten by `callback_draw_custom_window`
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IGL_INLINE virtual void draw_custom_window() { }
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// Easy-to-customize callbacks
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std::function<void(void)> callback_draw_viewer_window;
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std::function<void(void)> callback_draw_viewer_menu;
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std::function<void(void)> callback_draw_custom_window;
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IGL_INLINE void draw_labels_window();
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IGL_INLINE void draw_labels(const igl::opengl::ViewerData &data);
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IGL_INLINE void draw_text(
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Eigen::Vector3d pos,
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Eigen::Vector3d normal,
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const std::string &text,
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const Eigen::Vector4f color = Eigen::Vector4f(0,0,0.04,1)); // old default color
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IGL_INLINE float pixel_ratio();
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IGL_INLINE float hidpi_scaling();
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float menu_scaling() { return hidpi_scaling_ / pixel_ratio_; }
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};
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} // end namespace
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} // end namespace
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} // end namespace
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} // end namespace
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#ifndef IGL_STATIC_LIBRARY
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# include "ImGuiMenu.cpp"
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#endif
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#endif // IGL_OPENGL_GLFW_IMGUI_IMGUIMENU_H
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