119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
/***************************************************************************
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alienBlaster
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Copyright (C) 2004
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Paul Grathwohl, Arne Hormann, Daniel Kuehn, Soenke Schwardt
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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***************************************************************************/
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using namespace std;
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#include "surfaceDB.h"
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#include <fstream>
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#include <iostream>
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#include <SDL_image.h>
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#ifdef ANDROID
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#include <android/log.h>
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#endif
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SurfaceDB surfaceDB;
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SurfaceDB::SurfaceDB( Uint8 transparentR,
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Uint8 transparentG,
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Uint8 transparentB ) {
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transR = transparentR;
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transG = transparentG;
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transB = transparentB;
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}
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SurfaceDB::~SurfaceDB() {
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StringSurfaceMap::iterator pos;
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// free all surfaces
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for ( pos = surfaceDB.begin(); pos != surfaceDB.end(); ++pos ) {
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SDL_FreeSurface( pos->second );
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}
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}
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SdlCompat_AcceleratedSurface *SurfaceDB::loadSurface( string fn, bool alpha ) {
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SdlCompat_AcceleratedSurface *searchResult = getSurface( fn );
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if ( searchResult ) {
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return searchResult;
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}
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__android_log_print(ANDROID_LOG_INFO, "Alien Blaster", (string( "Loading image " ) + fn).c_str() );
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string fn1 = fn;
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bool isPNG = false;
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// Check if file exist
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FILE * inputFile = fopen( fn1.c_str(), "rb");
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if (!inputFile) {
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if( fn1.size() > 4 && fn1.find(".bmp") != string::npos ) {
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isPNG = true;
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fn1 = fn1.substr( 0, fn1.size() - 4 ) + ".png";
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inputFile = fopen( fn1.c_str(), "rb");
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}
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if (!inputFile) {
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cout << "ERROR: file " << fn1 << " does not exist!" << endl;
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#ifdef ANDROID
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__android_log_print(ANDROID_LOG_ERROR, "Alien Blaster", (string( "Cannot load image " ) + fn1).c_str() );
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#endif
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exit(1);
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}
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}
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fclose(inputFile);
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SDL_Surface *newSurface = isPNG ? IMG_Load( fn1.c_str() ) : SDL_LoadBMP( fn1.c_str() );
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if( newSurface == NULL )
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{
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cout << "ERROR: Cannot load image " << fn1 << endl;
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#ifdef ANDROID
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__android_log_print(ANDROID_LOG_ERROR, "Alien Blaster", (string( "Cannot load image " ) + fn1).c_str() );
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#endif
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exit(1);
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}
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SDL_SetColorKey( newSurface, SDL_SRCCOLORKEY,
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SDL_MapRGB(newSurface->format, transR, transG, transB) );
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SDL_Surface * hwSurface = SDL_DisplayFormat(newSurface);
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if( hwSurface ) {
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SDL_FreeSurface(newSurface);
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newSurface = hwSurface;
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}
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surfaceDB[ fn ] = SdlCompat_CreateAcceleratedSurface( newSurface );
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SDL_FreeSurface(newSurface);
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if ( alpha ) {
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SDL_SetAlpha( surfaceDB[ fn ], SDL_SRCALPHA, 128 );
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}
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return surfaceDB[ fn ];
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}
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SdlCompat_AcceleratedSurface *SurfaceDB::getSurface( string fn ) {
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if ( surfaceDB.empty() ) {
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return 0;
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} else {
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StringSurfaceMap::iterator pos = surfaceDB.find( fn );
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if ( pos == surfaceDB.end() ) {
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return 0;
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} else {
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return pos->second;
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}
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}
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}
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