94fffb701c
The new argument gives the window to be captured, or NULL to indicate capture from the current offscreen. Calling this function becomes easier because less dependent on global variables.
104 lines
3.0 KiB
C++
104 lines
3.0 KiB
C++
//
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// "$Id$"
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//
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// Definition of Windows screen interface
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// for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2010-2018 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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/**
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\file Fl_WinAPI_Screen_Driver.H
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\brief Definition of Windows screen interface.
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*/
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#ifndef FL_WINAPI_SCREEN_DRIVER_H
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#define FL_WINAPI_SCREEN_DRIVER_H
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#include "../../Fl_Screen_Driver.H"
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#include <windows.h>
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class Fl_Window;
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class FL_EXPORT Fl_WinAPI_Screen_Driver : public Fl_Screen_Driver
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{
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protected:
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RECT screens[MAX_SCREENS];
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RECT work_area[MAX_SCREENS];
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float dpi[MAX_SCREENS][2];
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float scale_of_screen[MAX_SCREENS];
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static BOOL CALLBACK screen_cb(HMONITOR mon, HDC, LPRECT r, LPARAM);
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BOOL screen_cb(HMONITOR mon, HDC, LPRECT r);
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int get_mouse_unscaled(int &mx, int &my);
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public:
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Fl_WinAPI_Screen_Driver() : Fl_Screen_Driver() {
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for (int i = 0; i < MAX_SCREENS; i++) scale_of_screen[i] = 1;
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}
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// --- display management
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virtual int visual(int flags);
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// --- screen configuration
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virtual void init();
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virtual int x();
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virtual int y();
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virtual int w();
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virtual int h();
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virtual void screen_xywh(int &X, int &Y, int &W, int &H, int n);
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virtual void screen_dpi(float &h, float &v, int n=0);
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int screen_num_unscaled(int x, int y);
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virtual void screen_work_area(int &X, int &Y, int &W, int &H, int n);
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// --- audible output
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virtual void beep(int type);
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// --- global events
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virtual void flush();
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virtual double wait(double time_to_wait);
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virtual int ready();
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virtual void grab(Fl_Window* win);
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// --- global colors
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virtual void get_system_colors();
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// --- global timers
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virtual void add_timeout(double time, Fl_Timeout_Handler cb, void *argp);
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virtual void repeat_timeout(double time, Fl_Timeout_Handler cb, void *argp);
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virtual int has_timeout(Fl_Timeout_Handler cb, void *argp);
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virtual void remove_timeout(Fl_Timeout_Handler cb, void *argp);
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virtual int dnd(int unused);
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virtual int compose(int &del);
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virtual Fl_RGB_Image *read_win_rectangle(int X, int Y, int w, int h, Fl_Window *win);
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Fl_RGB_Image *read_win_rectangle_unscaled(int X, int Y, int w, int h, Fl_Window *win);
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virtual int get_mouse(int &x, int &y);
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virtual void enable_im();
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virtual void disable_im();
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virtual void open_display_platform();
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virtual void offscreen_size(Fl_Offscreen off, int &width, int &height);
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virtual APP_SCALING_CAPABILITY rescalable() {
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return PER_SCREEN_APP_SCALING;
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}
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virtual float scale(int n) {
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return scale_of_screen[n];
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}
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virtual void scale(int n, float f) {
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scale_of_screen[n] = f;
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}
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virtual void desktop_scale_factor();
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virtual void default_icons(const Fl_RGB_Image *icons[], int count);
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};
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#endif // FL_WINAPI_SCREEN_DRIVER_H
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//
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// End of "$Id$".
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//
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