void CImageView::Display( view_t handle, int dx, int dy )
{
Rectangle* r = new Rectangle( 0,0, Width(),Height() );
Bitmap ^ bmp = gcnew Bitmap( Width(),Height() );
BitmapData ^ bDat = bmp->LockBits( *r, ImageLockMode::ReadWrite, PixelFormat::Format32bppArgb );
TBpp32* p = (TBpp32*)(void*)bDat->Scan0;
int y;
for (y=0; y<Height(); y++)
{
memcpy( p, PixelAddress( 0, y ), sizeof(TBpp32)*Width() );
p += Width();
}
bmp->UnlockBits( bDat );
delete r;
handle->DrawImage( bmp, dx,dy, Width(),Height() );
}
void CImageView::Display( view_t handle, int dx, int dy, int sx, int sy, int sw, int sh )
{
// 矩形クリップ
TClipSize blksrc,blkdest;
blksrc.width = Width(); blksrc.height = Height();
blkdest.width = Width(); blkdest.height = Height();
TClipBltInfo info;
info.sx = sx; info.sy = sy;
info.sw = sw; info.sh = sh;
info.dx = dx; info.dy = dy;
ClipBltInfo( &blksrc, &blkdest, &info );
if (!ClipBltInfo( &blksrc, &blkdest, &info )) return;
// 転送サイズだけの作成・ロック
Bitmap ^ bmp = gcnew Bitmap( info.sw, info.sh );
Rectangle* r = new Rectangle( 0,0, info.sw, info.sh );
BitmapData ^ bDat = bmp->LockBits( *r, ImageLockMode::ReadWrite, PixelFormat::Format32bppArgb );
TBpp32* p = (TBpp32*)(void*)bDat->Scan0;
int i;
for (i=info.dy; i<info.dy+info.sh; i++)
{
int idx = sizeof(TBpp32)*( (i - info.dy) * info.sw );
TBpp32* srcadr = (TBpp32*)PixelAddress( 0, info.sy + i-info.dy );
TBpp32* destadr = (TBpp32*)((BYTE*)p + idx);
neet::BltCopy( srcadr, info.sx, destadr, 0, info.sw );
}
bmp->UnlockBits( bDat );
delete r;
Rectangle* dr = new Rectangle( info.dx,info.dy, info.sw,info.sh );
handle->DrawImage( bmp, *dr, 0,0, info.sw,info.sh, GraphicsUnit::Pixel );
delete dr;
}