mirror of
https://github.com/martravi/wiiqt.git
synced 2024-11-05 09:05:06 +01:00
258 lines
7.2 KiB
C++
258 lines
7.2 KiB
C++
#include "savebanner.h"
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#include "tools.h"
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static int ConvertRGB5A3ToBitMap(quint8* tplbuf, quint8** bitmapdata, quint32 width, quint32 height);
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SaveBanner::SaveBanner()
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{
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ok = false;
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}
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SaveBanner::SaveBanner( QByteArray stuff )
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{
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ok = false;
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QBuffer f( &stuff );
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f.open( QIODevice::ReadOnly );
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quint32 size = f.size();
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if( size < 0x72a0 || ( ( size - 0x60a0 ) % 0x1200 ) )//sanity check the size. must have enough data for the header, names, banner, and 1 icon image
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{
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qDebug() << "SaveBanner::SaveBanner -> bad filesize" << hex << size;
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f.close();
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return;
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}
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quint32 magic;
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f.read( (char*)&magic, 4 );
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if( qFromBigEndian( magic ) != 0x5749424e )//WIBN
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{
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hexdump( stuff, 0, 0x30 );
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f.close();
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qWarning() << "SaveBanner::SaveBanner -> bad file magic" << hex << qFromBigEndian( magic );
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return;
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}
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//no clue what this stuff is, dont really need it though
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//i suspect instructions for animation ? ( VC icons display forwards and backwards in the system menu )
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//also speed is not always the same
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//quint32 tmp;
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//f.read( (char*)&tmp, 4 );
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//quint32 tmp2;
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//f.read( (char*)&tmp2, 4 );
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f.seek( 0x20 );
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quint16 name[ 0x20 ];
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quint16 name2[ 0x20 ];
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f.read( (char*)&name, 0x40 );
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f.read( (char*)&name2, 0x40 );
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//QString title;
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for( int i = 0; i < 0x20 && name[ i ] != 0; i++ )
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saveTitle += QChar( qFromBigEndian( name[ i ] ) );
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saveTitle = saveTitle.trimmed();
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//qDebug() << hex << qFromBigEndian( tmp ) << qFromBigEndian( tmp2 ) << saveTitle;
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//QString title2;
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for( int i = 0; i < 0x20 && name2[ i ] != 0; i++ )
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saveTitle2 += QChar( qFromBigEndian( name2[ i ] ) );
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saveTitle2 = saveTitle2.trimmed();
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//get the banner
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f.seek( 0xa0 );
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QByteArray ban = f.read( 0x6000 );
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//convert to an image we can display
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bannerImg = ConvertTextureToImage( ban, 0xc0, 0x40 );
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if( bannerImg.isNull() )
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{
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f.close();
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qWarning() << "SaveBanner::SaveBanner -> error converting banner image";
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return;
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}
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//get the images that make up the icon
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while( f.pos() != size )
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{
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QByteArray icn = f.read( 0x1200 );
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//check that there is actually data. some banners use all 0x00 for some images
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bool null = true;
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for( int i = 0; i < 0x1200; i++ )
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{
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if( icn.at( i ) )//this buffer contains at least 1 byte of data, try to turn it into an image
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{
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null = false;
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break;
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}
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}
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if( null )
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{
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//qDebug() << "skipping empty image";
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break;
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}
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//make this texture int an image
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QImage iconImg = ConvertTextureToImage( icn, 0x30, 0x30 );
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if( iconImg.isNull() )
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break;
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//add the image to the list
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iconImgs << iconImg;
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}
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f.close();
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ok = true;
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//qDebug() << hex << QString( "%1 %2").arg( qFromBigEndian( tmp ), 9, 16).arg( qFromBigEndian( tmp2 ), 9, 16)
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//<< saveTitle.leftJustified( 0x20 ) << QString( "icons: %1").arg( iconImgs.size(), 1, 16 ) << QString( "banner size: %1" ).arg( size, 4, 16 );
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}
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SaveBanner::SaveBanner( const QString &bannerPath )
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{
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ok = false;
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QFile f( bannerPath );
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if( !f.exists() || !f.open( QIODevice::ReadOnly ) )
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{
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qWarning() << "SaveBanner::SaveBanner -> error opening" << bannerPath;
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return;
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}
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quint32 size = f.size();
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if( size < 0x72a0 || ( ( size - 0x60a0 ) % 0x1200 ) )//sanity check the size. must have enough data for the header, names, banner, and 1 icon image
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{
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qDebug() << "SaveBanner::SaveBanner -> bad filesize" << hex << size;
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f.close();
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return;
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}
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quint32 magic;
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f.read( (char*)&magic, 4 );
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if( qFromBigEndian( magic ) != 0x5749424e )//WIBN
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{
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f.close();
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qWarning() << "SaveBanner::SaveBanner -> bad file magic" << qFromBigEndian( magic );
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return;
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}
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//get the title of the save
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f.seek( 0x20 );
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quint16 name[ 0x20 ];
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quint16 name2[ 0x20 ];
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f.read( (char*)&name, 0x40 );
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f.read( (char*)&name2, 0x40 );
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//QString title;
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for( int i = 0; i < 0x20 && name[ i ] != 0; i++ )
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saveTitle += QChar( qFromBigEndian( name[ i ] ) );
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saveTitle = saveTitle.trimmed();
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//QString title2;
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for( int i = 0; i < 0x20 && name2[ i ] != 0; i++ )
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saveTitle2 += QChar( qFromBigEndian( name2[ i ] ) );
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saveTitle2 = saveTitle2.trimmed();
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//get the banner
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f.seek( 0xa0 );
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QByteArray ban = f.read( 0x6000 );
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//convert to an image we can display
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bannerImg = ConvertTextureToImage( ban, 0xc0, 0x40 );
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if( bannerImg.isNull() )
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{
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f.close();
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qWarning() << "SaveBanner::SaveBanner -> error converting banner image";
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return;
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}
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//get the images that make up the icon
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while( f.pos() != size )
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{
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QByteArray icn = f.read( 0x1200 );
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//check that there is actually data. some banners use all 0x00 for some images
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bool null = true;
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for( int i = 0; i < 0x1200; i++ )
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{
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if( icn.at( i ) )//this buffer contains at least 1 byte of data, try to turn it into an image
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{
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null = false;
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break;
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}
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}
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if( null )
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{
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//qDebug() << "skipping empty image";
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break;
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}
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//make this texture int an image
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QImage iconImg = ConvertTextureToImage( icn, 0x30, 0x30 );
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if( iconImg.isNull() )
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break;
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//add the image to the list
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iconImgs << iconImg;
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}
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f.close();
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ok = true;
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}
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QImage SaveBanner::ConvertTextureToImage( const QByteArray &ba, quint32 w, quint32 h )
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{
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//qDebug() << "SaveBanner::ConvertTextureToImage" << ba.size() << hex << w << h;
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quint8* bitmapdata = NULL;//this will hold the converted image
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int ret = ConvertRGB5A3ToBitMap( (quint8*)ba.constData(), &bitmapdata, w, h );
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if( !ret )
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{
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qWarning() << "SaveBanner::ConvertTextureToImage -> error converting image";
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return QImage();
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}
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QImage im = QImage( (const uchar*)bitmapdata, w, h, QImage::Format_ARGB32 );
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QImage im2 = im.copy( im.rect() );//make a copy of the image so the "free" wont delete any data we still want
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free( bitmapdata );
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return im2;
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}
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static int ConvertRGB5A3ToBitMap(quint8* tplbuf, quint8** bitmapdata, quint32 width, quint32 height)
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{
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quint32 x, y;
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quint32 x1, y1;
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quint32 iv;
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//tplpoint -= width;
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*bitmapdata = (quint8*)calloc(width * height, 4);
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if(*bitmapdata == NULL)
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return -1;
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quint32 outsz = width * height * 4;
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for(iv = 0, y1 = 0; y1 < height; y1 += 4) {
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for(x1 = 0; x1 < width; x1 += 4) {
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for(y = y1; y < (y1 + 4); y++) {
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for(x = x1; x < (x1 + 4); x++) {
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quint16 oldpixel = *(quint16*)(tplbuf + ((iv++) * 2));
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if((x >= width) || (y >= height))
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continue;
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oldpixel = qFromBigEndian(oldpixel);
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if(oldpixel & (1 << 15)) {
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// RGB5
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quint8 b = (((oldpixel >> 10) & 0x1F) * 255) / 31;
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quint8 g = (((oldpixel >> 5) & 0x1F) * 255) / 31;
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quint8 r = (((oldpixel >> 0) & 0x1F) * 255) / 31;
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quint8 a = 255;
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quint32 rgba = (r << 0) | (g << 8) | (b << 16) | (a << 24);
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(*(quint32**)bitmapdata)[x + (y * width)] = rgba;
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}else{
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// RGB4A3
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quint8 a = (((oldpixel >> 12) & 0x7) * 255) / 7;
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quint8 b = (((oldpixel >> 8) & 0xF) * 255) / 15;
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quint8 g = (((oldpixel >> 4) & 0xF) * 255) / 15;
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quint8 r = (((oldpixel >> 0) & 0xF) * 255) / 15;
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quint32 rgba = (r << 0) | (g << 8) | (b << 16) | (a << 24);
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(*(quint32**)bitmapdata)[x + (y * width)] = rgba;
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}
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}
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}
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}
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}
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return outsz;
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}
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