wiiqt/saveToy/savebanner.cpp

259 lines
7.2 KiB
C++

#include "savebanner.h"
#include "tools.h"
int TPL_ConvertRGB5A3ToBitMap(quint8* tplbuf, quint8** bitmapdata, quint32 width, quint32 height);
SaveBanner::SaveBanner()
{
ok = false;
}
SaveBanner::SaveBanner( QByteArray stuff )
{
ok = false;
QBuffer f( &stuff );
f.open( QIODevice::ReadOnly );
quint32 size = f.size();
if( size < 0x72a0 || ( ( size - 0x60a0 ) % 0x1200 ) )//sanity check the size. must have enough data for the header, names, banner, and 1 icon image
{
qDebug() << "SaveBanner::SaveBanner -> bad filesize" << hex << size;
f.close();
return;
}
quint32 magic;
f.read( (char*)&magic, 4 );
if( qFromBigEndian( magic ) != 0x5749424e )//WIBN
{
hexdump( stuff, 0, 0x30 );
f.close();
qWarning() << "SaveBanner::SaveBanner -> bad file magic" << hex << qFromBigEndian( magic );
return;
}
//no clue what this stuff is, dont really need it though
//i suspect instructions for animation ? ( VC icons display forwards and backwards in the system menu )
//also speed is not always the same
//quint32 tmp;
//f.read( (char*)&tmp, 4 );
//quint32 tmp2;
//f.read( (char*)&tmp2, 4 );
f.seek( 0x20 );
quint16 name[ 0x20 ];
quint16 name2[ 0x20 ];
f.read( (char*)&name, 0x40 );
f.read( (char*)&name2, 0x40 );
//QString title;
for( int i = 0; i < 0x20 && name[ i ] != 0; i++ )
saveTitle += QChar( qFromBigEndian( name[ i ] ) );
saveTitle = saveTitle.trimmed();
//qDebug() << hex << qFromBigEndian( tmp ) << qFromBigEndian( tmp2 ) << saveTitle;
//QString title2;
for( int i = 0; i < 0x20 && name2[ i ] != 0; i++ )
saveTitle2 += QChar( qFromBigEndian( name2[ i ] ) );
saveTitle2 = saveTitle2.trimmed();
//get the banner
f.seek( 0xa0 );
QByteArray ban = f.read( 0x6000 );
//convert to an image we can display
bannerImg = ConvertTextureToImage( ban, 0xc0, 0x40 );
if( bannerImg.isNull() )
{
f.close();
qWarning() << "SaveBanner::SaveBanner -> error converting banner image";
return;
}
//get the images that make up the icon
while( f.pos() != size )
{
QByteArray icn = f.read( 0x1200 );
//check that there is actually data. some banners use all 0x00 for some images
bool null = true;
for( int i = 0; i < 0x1200; i++ )
{
if( icn.at( i ) )//this buffer contains at least 1 byte of data, try to turn it into an image
{
null = false;
break;
}
}
if( null )
{
//qDebug() << "skipping empty image";
break;
}
//make this texture int an image
QImage iconImg = ConvertTextureToImage( icn, 0x30, 0x30 );
if( iconImg.isNull() )
break;
//add the image to the list
iconImgs << iconImg;
}
f.close();
ok = true;
//qDebug() << hex << QString( "%1 %2").arg( qFromBigEndian( tmp ), 9, 16).arg( qFromBigEndian( tmp2 ), 9, 16)
//<< saveTitle.leftJustified( 0x20 ) << QString( "icons: %1").arg( iconImgs.size(), 1, 16 ) << QString( "banner size: %1" ).arg( size, 4, 16 );
}
SaveBanner::SaveBanner( const QString &bannerPath )
{
ok = false;
QFile f( bannerPath );
if( !f.exists() || !f.open( QIODevice::ReadOnly ) )
{
qWarning() << "SaveBanner::SaveBanner -> error opening" << bannerPath;
return;
}
quint32 size = f.size();
if( size < 0x72a0 || ( ( size - 0x60a0 ) % 0x1200 ) )//sanity check the size. must have enough data for the header, names, banner, and 1 icon image
{
qDebug() << "SaveBanner::SaveBanner -> bad filesize" << hex << size;
f.close();
return;
}
quint32 magic;
f.read( (char*)&magic, 4 );
if( qFromBigEndian( magic ) != 0x5749424e )//WIBN
{
f.close();
qWarning() << "SaveBanner::SaveBanner -> bad file magic" << qFromBigEndian( magic );
return;
}
//get the title of the save
f.seek( 0x20 );
quint16 name[ 0x20 ];
quint16 name2[ 0x20 ];
f.read( (char*)&name, 0x40 );
f.read( (char*)&name2, 0x40 );
//QString title;
for( int i = 0; i < 0x20 && name[ i ] != 0; i++ )
saveTitle += QChar( qFromBigEndian( name[ i ] ) );
saveTitle = saveTitle.trimmed();
//QString title2;
for( int i = 0; i < 0x20 && name2[ i ] != 0; i++ )
saveTitle2 += QChar( qFromBigEndian( name2[ i ] ) );
saveTitle2 = saveTitle2.trimmed();
//get the banner
f.seek( 0xa0 );
QByteArray ban = f.read( 0x6000 );
//convert to an image we can display
bannerImg = ConvertTextureToImage( ban, 0xc0, 0x40 );
if( bannerImg.isNull() )
{
f.close();
qWarning() << "SaveBanner::SaveBanner -> error converting banner image";
return;
}
//get the images that make up the icon
while( f.pos() != size )
{
QByteArray icn = f.read( 0x1200 );
//check that there is actually data. some banners use all 0x00 for some images
bool null = true;
for( int i = 0; i < 0x1200; i++ )
{
if( icn.at( i ) )//this buffer contains at least 1 byte of data, try to turn it into an image
{
null = false;
break;
}
}
if( null )
{
//qDebug() << "skipping empty image";
break;
}
//make this texture int an image
QImage iconImg = ConvertTextureToImage( icn, 0x30, 0x30 );
if( iconImg.isNull() )
break;
//add the image to the list
iconImgs << iconImg;
}
f.close();
ok = true;
}
QImage SaveBanner::ConvertTextureToImage( const QByteArray &ba, quint32 w, quint32 h )
{
//qDebug() << "SaveBanner::ConvertTextureToImage" << ba.size() << hex << w << h;
quint8* bitmapdata = NULL;//this will hold the converted image
int ret = TPL_ConvertRGB5A3ToBitMap( (quint8*)ba.constData(), &bitmapdata, w, h );
if( !ret )
{
qWarning() << "SaveBanner::ConvertTextureToImage -> error converting image";
return QImage();
}
QImage im = QImage( (const uchar*)bitmapdata, w, h, QImage::Format_ARGB32 );
QImage im2 = im.copy( im.rect() );//make a copy of the image so the "free" wont delete any data we still want
free( bitmapdata );
return im2;
}
int TPL_ConvertRGB5A3ToBitMap(quint8* tplbuf, quint8** bitmapdata, quint32 width, quint32 height)
{
quint32 x, y;
quint32 x1, y1;
quint32 iv;
//tplpoint -= width;
*bitmapdata = (quint8*)calloc(width * height, 4);
if(*bitmapdata == NULL)
return -1;
quint32 outsz = width * height * 4;
for(iv = 0, y1 = 0; y1 < height; y1 += 4) {
for(x1 = 0; x1 < width; x1 += 4) {
for(y = y1; y < (y1 + 4); y++) {
for(x = x1; x < (x1 + 4); x++) {
quint16 oldpixel = *(quint16*)(tplbuf + ((iv++) * 2));
if((x >= width) || (y >= height))
continue;
oldpixel = qFromBigEndian(oldpixel);
if(oldpixel & (1 << 15)) {
// RGB5
quint8 b = (((oldpixel >> 10) & 0x1F) * 255) / 31;
quint8 g = (((oldpixel >> 5) & 0x1F) * 255) / 31;
quint8 r = (((oldpixel >> 0) & 0x1F) * 255) / 31;
quint8 a = 255;
quint32 rgba = (r << 0) | (g << 8) | (b << 16) | (a << 24);
(*(quint32**)bitmapdata)[x + (y * width)] = rgba;
}else{
// RGB4A3
quint8 a = (((oldpixel >> 12) & 0x7) * 255) / 7;
quint8 b = (((oldpixel >> 8) & 0xF) * 255) / 15;
quint8 g = (((oldpixel >> 4) & 0xF) * 255) / 15;
quint8 r = (((oldpixel >> 0) & 0xF) * 255) / 15;
quint32 rgba = (r << 0) | (g << 8) | (b << 16) | (a << 24);
(*(quint32**)bitmapdata)[x + (y * width)] = rgba;
}
}
}
}
}
return outsz;
}