void CCellView::StartDrag(BPoint where, bool copy)
{
ClearAnts();
BMessage msg(B_SIMPLE_DATA);
msg.AddPointer("container", fContainer);
msg.AddPointer("cellview", this);
msg.AddData("range", 'rang', &fSelection, sizeof(range));
msg.AddBool("dragacopy", copy);
BRegion rgn;
SelectionToRegion(rgn);
cell c;
GetCellHitBy(where, c);
BRect dragRect = rgn.Frame();
dragRect.OffsetBy(fCellWidths[c.h] - fCellWidths[fSelection.left],
fCellHeights[c.v] - fCellHeights[fSelection.top]);
BMallocIO buf;
CTextConverter conv(buf, fContainer);
conv.ConvertToText(&fSelection);
msg.AddData("text/plain", B_MIME_DATA,
buf.Buffer(), buf.BufferLength());
// and add a nice picture
BPicture pic;
BRect r;
GetPictureOfSelection(&pic, r);
pic.Archive(&msg);
// msg.AddData("picture", 'PICT', pic.Data(), pic.DataSize());
msg.AddData("rect of pict", 'RECT', &r, sizeof(BRect));
fDragIsAcceptable = true;
DragMessage(&msg, dragRect, this);
} /* CCellView::StartDrag */
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;
}
void
BPrintJob::_AddPicture(BPicture& picture, BRect& rect, BPoint& where)
{
ASSERT(fSpoolFile != NULL);
fCurrentPageHeader->number_of_pictures++;
fSpoolFile->Write(&where, sizeof(BRect));
fSpoolFile->Write(&rect, sizeof(BPoint));
picture.Flatten(fSpoolFile);
}
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();
}
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;
}
