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Wednesday the 23rd of May 2012 @ 08:47am

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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 cFramebufferDisplay.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 "cFramebufferDisplay.h" #include "SDL.h" namespace n2l { /* ********************************************************************** */ cFramebufferDisplay::cFramebufferDisplay( const tUint iWidth, const tUint iHeight, const tUbyte iBpp, const tBool iDoubleBuffered, const tBool iResizeable, const tBool iFullScreen ) { if (displayExists()) throw cException( "cFramebufferDisplay::cFramebufferDisplay", "Only one surface at a time is supported " "destory any existing displays before " "proceeding." ); // Bits per pixel cPixelFormat::tBitCount bpp = iBpp; // If not set, use the current system display value if (0==bpp) bpp = SDL_GetVideoInfo()->vfmt->BitsPerPixel; // Build surface properties cSurfaceProperties newProperties; newProperties.setFlags( cSurfaceProperties::SurfaceFlag_SoftwareSurface ); if (iDoubleBuffered) newProperties.addFlags( cSurfaceProperties::SurfaceFlag_DoubleBuffered ); if (iResizeable) newProperties.addFlags( cSurfaceProperties::SurfaceFlag_Resizable ); if (iFullScreen) newProperties.addFlags( cSurfaceProperties::SurfaceFlag_FullScreen ); newProperties.setSize( cSurfaceProperties::tSize(iWidth,iHeight) ); // if (!surfaceIsSupported(newFormat,newProperties)) // throw cException( "cFramebufferDisplay::cFramebufferDisplay", // "Provided information is not supported" ); SDL_Surface * newSurface = SDL_SetVideoMode( newProperties.size().getX(), newProperties.size().getY(), bpp, newProperties.flags() ); if (0==newSurface) throw cSDLException( "cFramebufferDisplay::cFramebufferDisplay", "Failed to create the requested surface" ); registerDisplayCreated(); setRawSurface( newSurface,false ); // false, take no ownership setFormat( *(rawSurface()->format) ); setProperties( *rawSurface() ); } /* ********************************************************************** */ cFramebufferDisplay::cFramebufferDisplay( const cPixelFormat & iFormat, const cSurfaceProperties & iProperties ) { if (!surfaceIsSupported(iFormat,iProperties)) throw cException( "cFramebufferDisplay::cFramebufferDisplay", "Provided format/properties are not supported" ); SDL_Surface * newSurface = SDL_SetVideoMode( iProperties.size().getX(), iProperties.size().getY(), iFormat.bitsPerPixel(), iProperties.flags() ); if (0==newSurface) throw cSDLException( "cFramebufferDisplay::cFramebufferDisplay", "Failed to create the requested surface" ); // Take the properties of the surface now, and make sure we // match them internally setRawSurface( newSurface,false ); // false, take no ownership setFormat( *(rawSurface()->format) ); setProperties( *rawSurface() ); } /* ************************************************************ */ cFramebufferDisplay::~cFramebufferDisplay() { } /* ************************************************************ */ void cFramebufferDisplay::resizeTo( const tVector2u & iNewSize ) { SDL_Surface * newSurface = SDL_SetVideoMode( iNewSize.x(), iNewSize.y(), format().bitsPerPixel(), properties().flags() ); if (0==newSurface) throw cSDLException( "cFramebufferDisplay::resizeTo", "Failed to resize to requested dimensions" ); setRawSurface( newSurface,false ); // false, take no ownership setFormat( *(rawSurface()->format) ); setProperties( *rawSurface() ); registerDisplayCreated(); } /* ************************************************************ */ const tBool cFramebufferDisplay::supportsRWBuffer() const { // For now. return false; } /* ************************************************************ */ void * const cFramebufferDisplay::aquireRWBuffer() { // For now throw cUnsupportedMethodException( "cFramebufferDisplay::aquireRWBuffer", "RW Buffers not supported" ); } /* ************************************************************ */ void cFramebufferDisplay::releaseRWBuffer() const { // For now throw cUnsupportedMethodException( "cFramebufferDisplay::releaseRWBuffer", "RW Buffers not supported" ); } /* ************************************************************ */ void cFramebufferDisplay::flip() const { SDL_Flip(rawSurface()); } } // namespace

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