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The Polygon Mesh Processing Library
Window Class Referenceabstract

A window provided by GLFW.

#include <pmp/visualization/Window.h>

Inherited by TrackballViewer.

Public Member Functions

 Window (const char *title, int width, int height, bool showgui=true)
virtual ~Window ()
int run ()
 main window loop

Protected Member Functions

virtual void display (void)=0
 this function is called when the scene has to be rendered. More...
virtual void keyboard (int, int, int, int)
 this function handles keyboard events
virtual void character (unsigned int)
 this function handles unicode character events
virtual void mouse (int, int, int)
 this function handles mouse button events
virtual void motion (double, double)
 this function handles mouse motion (passive/active position)
virtual void scroll (double, double)
 this function handles mouse scroll events
virtual void resize (int, int)
 this function is called if the window is resized
virtual void process_imgui ()
 this function renders the ImGUI elements and handles their events
virtual void do_processing ()
 this function is called just before rendering
void init_imgui ()
 setup ImGUI user interface
void scale_imgui (float scale)
 scale ImGUI elements and font
bool show_imgui () const
 is ImGUI visible or hidden?
void show_imgui (bool b)
 show or hide ImGUI
void clear_help_items ()
 clear help items
void add_help_item (std::string key, std::string description, int position=-1)
 add key binding (or general action description)
void show_help ()
 show ImGUI help dialog
void screenshot ()
 take a screenshot, save it to title-n.png using the window title and an incremented number n.
int width () const
 width of window
int height () const
 height of window
float high_dpi_scaling () const
 highDPI scaling
float imgui_scaling () const
 imgui scaling
void cursor_pos (double &x, double &y) const
 get position of mouse cursor
bool left_mouse_pressed () const
 is left mouse button pressed down?
bool right_mouse_pressed () const
 is right mouse button pressed down?
bool middle_mouse_pressed () const
 is middle mouse button pressed down?
bool ctrl_pressed () const
 is CTRL modifier key pressed down?
bool alt_pressed () const
 is ALT modifier key pressed down?
bool shift_pressed () const
 is SHIFT modifier key pressed down?

Member Function Documentation

◆ display()

virtual void display ( void  )
protectedpure virtual

it clears the buffers, calls the draw() method, and performs buffer swap

Implemented in TrackballViewer.