AaronCameron.net

Not Left, nor right. Just correct.

• 
• 
• 
• 
• 

Not a Member? - Login or Create an Account

Sunday the 20th of May 2012 @ 03:30pm

Front Page Journal Projects Your Profile About

LibN2L N2L Home Older News Downloads Documentation (n2l5) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Documentation (libN2L-4) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Bugtracker Project Page Report a Bug Bug List Related Things Life 2130 Devel Game Journal

LibN2L-4 Library Code Reference Classes Compounds Files Members Method Index Full Reference cDisplayCommonImp.cpp Go to the documentation of this file. /************************************************************************ Nova-2 Library (libN2L, or simply n2l) Game development C++ Library Copyright (C) 2003 Aaron Cameron This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA A copy of the GNU Lesser General Public License has been provided with this library in the file 'COPYING'. Contact information for the author of this library has been provided with this library in the file 'AUTHOR'. ************************************************************************/ #include "cDisplayCommonImp.h" #include "n2l/events.h" #include "SDL.h" namespace n2l { tBool cDisplayCommonImp::smDisplayExists = false; cDisplayCommonImp *cDisplayCommonImp::smCurrentDisplay = 0; /**************************************************************************/ cDisplayCommonImp::cDisplayCommonImp() { smCurrentDisplay = this; mRGamma = 1.0; mGGamma = 1.0; mBGamma = 1.0; } /**************************************************************************/ cDisplayCommonImp::~cDisplayCommonImp() { free(); smCurrentDisplay = 0; } /**************************************************************************/ void cDisplayCommonImp::load( const cVfsNodeInterface & ) // iFile { // Displays currently support nothing, so there's no real need // to do anything except throw an exception throw cUnsupportedFileFormatException( "cDisplayCommonImp::load", "This display supports no file types" ); } /**************************************************************************/ void cDisplayCommonImp::supportedFileFormats( tFileFormatList &oFormatList ) const { oFormatList.clear(); } /**************************************************************************/ void cDisplayCommonImp::setWMTitle( const tString &iTitle ) { char *iconCaption; char *title; SDL_WM_GetCaption( &title, &iconCaption ); SDL_WM_SetCaption( iTitle.c_str(), iconCaption ); } /**************************************************************************/ void cDisplayCommonImp::setWMIconCaption( const tString &iIconCaption ) { char *iconCaption; char *title; SDL_WM_GetCaption( &title, &iconCaption ); SDL_WM_SetCaption( title, iIconCaption.c_str() ); } /**************************************************************************/ void cDisplayCommonImp::grabWMInput() { SDL_WM_GrabInput( SDL_GRAB_ON ); } /**************************************************************************/ void cDisplayCommonImp::releaseWMInput() { SDL_WM_GrabInput( SDL_GRAB_OFF ); } /**************************************************************************/ void cDisplayCommonImp::setMouseVisibility( const tBool iVisible ) { SDL_ShowCursor( tUbyte(iVisible) ); } /**************************************************************************/ void cDisplayCommonImp::warpMouseLocation( const tVector2u &iNewPosition ) { SDL_WarpMouse( iNewPosition.x(), iNewPosition.y() ); } /**************************************************************************/ void cDisplayCommonImp::centerMouse() { SDL_EventState( SDL_MOUSEMOTION, SDL_IGNORE ); SDL_WarpMouse( properties().size().x()/2,properties().size().y()/2 ); SDL_EventState( SDL_MOUSEMOTION, SDL_ENABLE ); } /**************************************************************************/ const tString & cDisplayCommonImp::softDriver() const { static tString info; char driverStr[1024]; SDL_version cVersion; SDL_VERSION( &cVersion ); const SDL_version *lVersion( SDL_Linked_Version() ); // Get the info we want SDL_VideoDriverName( driverStr, 1024 ); const SDL_VideoInfo * const VideoInfo( SDL_GetVideoInfo() ); info = "Soft Driver Info(\n\tComp:\tSDL "; info += asString(cVersion.major)+"."+ asString(cVersion.minor)+"."+ asString(cVersion.patch); info += "\n\tLinked:\t"; info += asString(lVersion->major)+"."+ asString(lVersion->minor)+"."+ asString(lVersion->patch); info += "\n\tDriver:\t"; info += driverStr; info += "\n\tWM Av:\t"; info += asString( VideoInfo->wm_available ); info += "\n\tMem:\t"; info += asString( VideoInfo->video_mem ); info += "\n)"; return info; } /**************************************************************************/ const tFloat cDisplayCommonImp::aspect() const { return tFloat(properties().size().y())/properties().size().x(); } /**************************************************************************/ const tFloat cDisplayCommonImp::fovYAspect() const { return tFloat(properties().size().x())/properties().size().y(); } /**************************************************************************/ void cDisplayCommonImp::setGamma( const tFloat &iR, const tFloat &iG, const tFloat &iB ) { if (-1==SDL_SetGamma(iR,iG,iB)) throw cUnsupportedMethodException( "cDisplayCommonImp::setGamma", "Gamma controls not supported on this display" ); mRGamma = iR; mGGamma = iG; mBGamma = iB; } /**************************************************************************/ void cDisplayCommonImp::getGamma( tFloat &oR, tFloat &oG, tFloat &oB ) const { oR = mRGamma; oG = mGGamma; oB = mBGamma; } /**************************************************************************/ void cDisplayCommonImp::free() { if (empty()) return; cSurfaceCommonImp::free(); registerDisplayDestroyed(); } /**************************************************************************/ const tBool cDisplayCommonImp::displayExists() { return smDisplayExists; } /**************************************************************************/ void cDisplayCommonImp::registerDisplayDestroyed() { if (!displayExists()) throw cException( "cDisplayCommonImp::registerDisplayDestroyed", "No registered display exists to be destroyed!" ); smDisplayExists = false; cEventManager::mouseSystemDimensions( 0,0 ); } /**************************************************************************/ void cDisplayCommonImp::registerDisplayCreated() { if (displayExists()) throw cException( "cDisplayCommonImp::registerDisplayCreated", "A display has already been created. This should have been " "caught by the display instance" ); smDisplayExists = true; // Set the resolution in the event manager so that it can // accurately map mouse events const SDL_Surface *const Screen( SDL_GetVideoSurface() ); if (!Screen) throw cException( "cDisplayCommonImp::registerDisplayCreated", "Registering a display but no Video surface was available?" ); cEventManager::mouseSystemDimensions( Screen->w, Screen->h ); } /**************************************************************************/ void cDisplayCommonImp::assign( const cSurfaceInterface & ) // iSurface { throw cException( "cDisplayCommonImp::assign", "Call of a disabled method. This should never happen." ); } } // namespace

©2012 Aaron Cameron