BPicture *
FlattenPictureTest::SaveAndRestore(BPicture *picture)
{
BMallocIO *data = new BMallocIO();
AutoDelete<BMallocIO> _data(data);
TEST_AND_RETURN(data == NULL, "BMallocIO could not be allocated for flattening the picture!" , NULL);
picture->Flatten(data);
data->Seek(0, SEEK_SET);
BPicture *archivedPicture = new BPicture();
TEST_AND_RETURN(archivedPicture == NULL, "BPicture could not be allocated for unflattening the picture!" , NULL);
archivedPicture->Unflatten(data);
return archivedPicture;
}
status_t PrintJobPage::NextPicture(BPicture& picture, BPoint& point, BRect& rect)
{
if (fPicture >= fNumberOfPictures)
return B_ERROR;
fPicture++;
fJobFile.Seek(fNextPicture, SEEK_SET);
fJobFile.Read(&point, sizeof(BPoint));
fJobFile.Read(&rect, sizeof(BRect));
status_t rc = picture.Unflatten(&fJobFile);
fNextPicture = fJobFile.Position();
if (rc != B_OK)
fPicture = fNumberOfPictures;
return rc;
}
void
PictureView::AllAttached()
{
BeginPicture(new BPicture);
DrawStuff(this);
BPicture *picture = EndPicture();
if (picture == NULL)
return;
BMessage message;
picture->Archive(&message);
message.PrintToStream();
BMallocIO stream;
status_t status = picture->Flatten(&stream);
delete picture;
if (status != B_OK)
printf("Error flattening BPicture: %s\n", strerror(status));
if (status == B_OK) {
stream.Seek(0, SEEK_SET);
fPicture = new BPicture();
status = fPicture->Unflatten(&stream);
if (status != B_OK) {
printf("Error unflattening BPicture: %s\n", strerror(status));
return;
}
}
BMessage message2;
fPicture->Archive(&message2);
message2.PrintToStream();
}
