b6b99d84e9
Fixed some issues with Image_Surface and Copy_Surface for PicoSDL. Still have to virtualize the driver concept. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11307 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
//
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// "$Id$"
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//
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// implementation of Fl_Device class for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2010-2016 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 to:
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//
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// http://www.fltk.org/str.php
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//
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#include <FL/Fl.H>
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#include "config_lib.h"
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#include <FL/Fl_Device.H>
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#include <FL/Fl_Graphics_Driver.H>
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/* Attempt at an inheritance diagram.
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+- Fl_Surface_Device: any kind of surface that we can draw onto -> uses an Fl_Graphics_Driver
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+- Fl_Display_Device: some kind of video device
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+- Fl_Copy_Surface: create an image for dnd or copy/paste
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+- Fl_Image_Surface: create an RGB Image
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+- Fl_Paged_Device: output to a printer or similar
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+- Fl_..._Surface_: platform specific driver
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+- Fl_Printer: user can instantiate this to gain access to a printer
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+- Fl_System_Printer:
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+- Fl_PostScript_File_Device
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+- Fl_PostScript_Printer
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+- Fl_Graphics_Driver
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+- Fl_..._Graphics_Driver: platform specific graphics driver
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TODO:
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Window Device to handle creation of surfaces and manage events
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System Device to handle file system acces, standard dialogs, etc.
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*/
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bool Fl_Display_Device::high_res_window_ = false;
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/** \brief Make this surface the current drawing surface.
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This surface will receive all future graphics requests. */
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void Fl_Surface_Device::set_current(void)
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{
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fl_graphics_driver = pGraphicsDriver;
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_surface = this;
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pGraphicsDriver->global_gc();
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}
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Fl_Surface_Device* Fl_Surface_Device::_surface; // the current target surface of graphics operations
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Fl_Surface_Device::~Fl_Surface_Device()
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{
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}
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/** A constructor that sets the graphics driver used by the display */
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Fl_Display_Device::Fl_Display_Device(Fl_Graphics_Driver *graphics_driver) : Fl_Surface_Device(graphics_driver) {
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this->set_current();
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};
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/** Returns the platform display device. */
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Fl_Display_Device *Fl_Display_Device::display_device() {
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static Fl_Display_Device *display = new Fl_Display_Device(Fl_Graphics_Driver::newMainGraphicsDriver());
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return display;
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};
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Fl_Surface_Device *Fl_Surface_Device::default_surface()
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{
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return Fl_Display_Device::display_device();
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}
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Fl_Display_Device *Fl_Display_Device::_display;
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//
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// End of "$Id$".
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//
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