void NxLabel::ColourChanged()
{
mBaseRectangle->SetColour( FindColour( backgroundColourId ) );
mText->SetColour( FindColour( labeltextColourId ) );
}
BOOL Anim_CommonPalette( anim a )
{
unsigned int colours[256];
unsigned int nColours = 0;
unsigned int nThisFrame;
pixel *image, *mask;
pixel map[256];
unsigned char used[256];
unsigned char dstused[256];
unsigned int i, j;
unsigned int len = a->nWidth * a->nHeight;
BOOL result = TRUE;
BOOL compatible;
frame f;
unsigned int mincolours = 0;
unsigned int nUsedOnFrame;
image = Anim_Allocate( len );
mask = Anim_Allocate( len );
if ( !image || !mask )
{
Anim_NoMemory( "commonpal" );
result = FALSE;
}
else
{
Workspace_Claim( gifcompress_WORKSIZE );
for ( i=0; i < a->nFrames; i++ )
{
f = a->pFrames + i;
if ( !Anim_Decompress( f->pImageData, f->nImageSize, len, image ) )
{
result = FALSE;
break;
}
if ( f->pMaskData )
{
if ( !Anim_Decompress( f->pMaskData, f->nMaskSize, len, mask ) )
{
result = FALSE;
break;
}
}
else
memset( mask, 1, len ); /* all solid */
memset( used, 0, 256 );
for ( j=0; j<len; j++ )
if ( mask[j] )
used[ image[j] ] = 1;
compatible = TRUE;
nThisFrame = nColours;
memset( dstused, 0, 256 );
for ( j=0; j<256; j++ )
{
if ( used[j] )
{
int n = FindColour( colours, &nColours,
f->pal->pColours[j] );
if ( n<0 )
{
compatible = FALSE;
break;
}
map[j] = (pixel) n;
dstused[n] = 1;
}
}
if ( compatible )
{
debugf( "commonpal: frame %d compatible\n", i );
#if DEBUG
debugf( "map" );
for ( j=0; j<f->pal->nColours; j++ )
{
if ( used[j] )
debugf( " %d", map[j] );
else
debugf( " -" );
}
debugf( "\n" );
#endif
Palette_Destroy( &f->pal ); /* sets to NULL */
/* Remap the frame to the new palette */
for ( j=0; j<len; j++ )
image[j] = map[image[j]];
Anim_Free( &f->pImageData );
f->pImageData = Anim_Compress( image, len, &f->nImageSize );
if ( !f->pImageData )
{
result = FALSE;
break;
}
nUsedOnFrame = 0;
for ( j=0; j<256; j++ )
if ( dstused[j] )
nUsedOnFrame++;
if ( nUsedOnFrame >= mincolours && (i || f->pMaskData) )
{
mincolours = nUsedOnFrame + 1;
}
}
else
{
debugf( "commonpal: frame %d INcompatible!\n", i );
nColours = nThisFrame;
}
}
Workspace_Release();
}
Anim_Free( &image );
Anim_Free( &mask );
if ( result )
{
/* Allow an extra colour for transparency if possible */
if ( mincolours > nColours && nColours < 256 )
{
/* And make it black, to avoid BUGS in the Microsoft Java VM */
colours[nColours] = 0;
nColours++;
}
debugf( "mincolours=%d nColours=%d\n", mincolours, nColours );
for ( i=0; i < a->nFrames; i++ )
{
f = a->pFrames+i;
if ( !f->pal )
{
f->pal = Palette_Create( colours, nColours );
if ( !f->pal )
{
result = FALSE;
break;
}
}
}
}
return result;
}
