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103 lines
3.8 KiB
103 lines
3.8 KiB
9 months ago
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@gmail.com>
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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_VIEWERPLUGIN_H
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#define IGL_OPENGL_GLFW_VIEWERPLUGIN_H
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// TODO:
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// * create plugins/skeleton.h
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// * pass time in draw function
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// * remove Preview3D from comments
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// * clean comments
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#include <string>
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#include <igl/igl_inline.h>
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#include <vector>
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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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// Abstract class for plugins
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// All plugins MUST have this class as their parent and may implement any/all
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// the callbacks marked `virtual` here.
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//
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// Return value of callbacks: returning true to any of the callbacks tells
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// Viewer that the event has been handled and that it should not be passed to
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// other plugins or to other internal functions of Viewer
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// Forward declaration of the viewer
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class Viewer;
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class ViewerPlugin
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{
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public:
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IGL_INLINE ViewerPlugin() {plugin_name = "dummy";}
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virtual ~ViewerPlugin(){}
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// This function is called when the viewer is initialized (no mesh will be loaded at this stage)
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IGL_INLINE virtual void init(Viewer *_viewer) { viewer = _viewer; }
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// This function is called before shutdown
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IGL_INLINE virtual void shutdown() { }
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// This function is called before a mesh is loaded
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IGL_INLINE virtual bool load(std::string filename) { return false; }
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// This function is called before a mesh is saved
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IGL_INLINE virtual bool save(std::string filename) { return false; }
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// This function is called when the scene is serialized
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IGL_INLINE virtual bool serialize(std::vector<char>& buffer) const
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{ return false; }
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// This function is called when the scene is deserialized
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IGL_INLINE virtual bool deserialize(const std::vector<char>& buffer)
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{ return false; }
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// Runs immediately after a new mesh has been loaded.
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IGL_INLINE virtual bool post_load() { return false; }
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// This function is called before the draw procedure of Viewer
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IGL_INLINE virtual bool pre_draw() { return false; }
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// This function is called after the draw procedure of Viewer
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IGL_INLINE virtual bool post_draw() { return false; }
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// This function is called after the window has been resized
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IGL_INLINE virtual void post_resize(int w, int h) { }
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IGL_INLINE virtual bool mouse_down(int button, int modifier)
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{ return false; }
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IGL_INLINE virtual bool mouse_up(int button, int modifier)
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{ return false; }
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IGL_INLINE virtual bool mouse_move(int mouse_x, int mouse_y)
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{ return false; }
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IGL_INLINE virtual bool mouse_scroll(float delta_y)
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{ return false; }
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IGL_INLINE virtual bool key_pressed(unsigned int key, int modifiers)
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{ return false; }
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IGL_INLINE virtual bool key_down(int key, int modifiers)
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{ return false; }
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IGL_INLINE virtual bool key_up(int key, int modifiers)
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{ return false; }
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std::string plugin_name;
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protected:
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// Pointer to the main Viewer class
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Viewer *viewer;
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};
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namespace serialization
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{
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inline void serialize(const ViewerPlugin& obj,std::vector<char>& buffer)
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{
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obj.serialize(buffer);
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}
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inline void deserialize(ViewerPlugin& obj,const std::vector<char>& buffer)
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{
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obj.deserialize(buffer);
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}
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}
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}
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}
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}
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#endif
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