/********************************************************************************************
> OpState OpMakeStroke::GetState(String_256*, OpDescriptor*)
Author: Richard_Millican (Xara Group Ltd) <*****@*****.**>
Created: 04/03/97
Inputs: -
Outputs: -
Returns: The state of the OpMakeStroke
Purpose: For finding the OpMakeStroke's state.
********************************************************************************************/
OpState OpMakeStroke::GetState(String_256* UIDescription, OpDescriptor*)
{
OpState OpSt;
SelRange *pSelRange = GetApplication()->FindSelection();
// Set up the ObjChangeParam so we can ask the selected nodes if they mind being deleted
ObjChangeFlags cFlags(TRUE);
ObjChangeParam ObjChange(OBJCHANGE_STARTING,cFlags,NULL,NULL);
// Will one or more selected nodes allow this op?
if (!pSelRange->AllowOp(&ObjChange,FALSE))
OpSt.Greyed = TRUE;
return(OpSt);
}
/********************************************************************************************
> void OpBaseConvertPathSegment::Do(OpDescriptor*)
Author: Peter_Arnold (Xara Group Ltd) <*****@*****.**>
Created: 16/8/95
Inputs: OpDescriptor (unused)
Purpose: Performs the common SelRange scanning part of converting path segments. Calls
the ProcessSegment function in derived classes to do the actual processing
Errors: -
SeeAlso: -
********************************************************************************************/
void OpBaseConvertPathSegment::Do(OpDescriptor*)
{
#ifndef STANDALONE
// Obtain the current selections and the first node in the selection
SelRange* Selected = GetApplication()->FindSelection();
BOOL ok = (Selected != NULL);
// Start the op
BeginSlowJob();
if (ok)
ok = DoStartSelOp(TRUE,TRUE);
// Check with the selrange it is ok to run this op
ObjChangeFlags cFlags;
ObjChangeParam ObjChange(OBJCHANGE_STARTING,cFlags,NULL,this);
if (ok)
{
if (!Selected->AllowOp(&ObjChange))
{
EndSlowJob();
FailAndExecute();
End();
return;
}
}
Node* pNode = Selected->FindFirst();
NodePath* ThisPath = NULL;
while (ok && (pNode != NULL))
{ // we're only interested in NodePaths which have selected points
BOOL DoThisNode = pNode->IsNodePath();
if (DoThisNode)
DoThisNode = (((NodePath*)pNode)->InkPath.IsSubSelection());
if (DoThisNode)
DoThisNode = (((NodePath*)pNode)->IsPathAllowable());
if ( DoThisNode )
{
// for convenience, cast the pointer to a pointer to a NodePath
ThisPath = (NodePath*)pNode;
// First get pointers to the arrays
PathVerb* Verbs = NULL;
PathFlags* Flags = NULL;
DocCoord* Coords = NULL;
ThisPath->InkPath.GetPathArrays(&Verbs, &Coords, &Flags);
INT32 NumCoords = ThisPath->InkPath.GetNumCoords();
BOOL PrevSelected = FALSE;
INT32 PrevPos = 0;
// Set the NeedToRender flags
INT32 loop;
for (loop = 0; loop < NumCoords; loop++)
{
if (Flags[loop].IsEndPoint && Flags[loop].IsSelected)
Flags[loop].NeedToRender = TRUE;
else
Flags[loop].NeedToRender = FALSE;
}
// Force a re-draw of the place where the path used to be
if (ok)
ok = (RecalcBoundsAction::DoRecalc(this, &UndoActions, ThisPath, TRUE) != AC_FAIL);
// loop through the points
for (loop = 0; loop<NumCoords; loop++)
{
if (Flags[loop].IsEndPoint)
{ // its an endpoint
if (Flags[loop].IsSelected)
{ // which is selected
if (PrevSelected && ((Verbs[loop] & ~PT_CLOSEFIGURE) == GetProcessPathType()) )
{ // and the previous was selected and it's a processable segment
if (ok)
ok = ProcessSegment(ThisPath, &loop, PrevPos);
// Recache array pointers
ThisPath->InkPath.GetPathArrays(&Verbs, &Coords, &Flags);
NumCoords = ThisPath->InkPath.GetNumCoords();
Flags[loop].NeedToRender = TRUE;
}
PrevSelected = TRUE;
PrevPos = loop;
}
else
PrevSelected = FALSE;
}
}
// Having finished processing this path go round and smooth it.
DocCoord NewCoord;
for (loop = 0; (ok && (loop < NumCoords)); loop++)
{
if (Verbs[loop] == PT_BEZIERTO && !(Flags[loop].IsEndPoint) && Flags[loop].IsSmooth)
{
NewCoord = ThisPath->InkPath.SmoothControlPoint(loop);
if (ok && (NewCoord != Coords[loop]))
{
ok = DoAlterPathElement(ThisPath, loop, NewCoord, Flags[loop], Verbs[loop], FALSE);
ThisPath->InkPath.GetPathArrays(&Verbs, &Coords, &Flags);
}
}
}
ThisPath->InvalidateBoundingRect();
// Force a redraw of the place where the path is now.
if (ok)
ok = (RecordBoundsAction::DoRecord(this, &UndoActions, ThisPath, TRUE) != AC_FAIL);
}
pNode = Selected->FindNext(pNode);
}
if (ok)
{
ObjChange.Define(OBJCHANGE_FINISHED,cFlags,NULL,this);
if (!UpdateChangedNodes(&ObjChange))
{
FailAndExecute();
End();
return;
}
}
EndSlowJob();
if (!ok)
{
FailAndExecute();
InformError();
}
#endif
End();
}
void OpReversePath::Do (OpDescriptor*)
{
// Obtain the current selections and the first node in the selection
SelRange* Selected = GetApplication()->FindSelection();
BOOL ok = (Selected != NULL);
// Start the op
BeginSlowJob();
if (ok)
ok = DoStartSelOp(TRUE,TRUE);
// Check with the selrange it is ok to run this op
ObjChangeFlags cFlags;
ObjChangeParam ObjChange(OBJCHANGE_STARTING,cFlags,NULL,this);
if (ok)
{
if (!Selected->AllowOp(&ObjChange))
{
EndSlowJob();
FailAndExecute();
End();
return;
}
}
Node* pNode = Selected->FindFirst();
NodePath* ThisPath = NULL;
//Document* pDocument = GetWorkingDoc();
while (ok && (pNode != NULL))
{ // we're only interested in NodePaths which have selected points
BOOL DoThisNode = pNode->IsNodePath();
//if (DoThisNode)
// DoThisNode = (((NodePath*)pNode)->InkPath.IsSubSelection());
if (DoThisNode)
DoThisNode = (((NodePath*)pNode)->IsPathAllowable());
if ( DoThisNode )
{
// for convenience, cast the pointer to a pointer to a NodePath
ThisPath = (NodePath*)pNode;
// First get pointers to the arrays
PathVerb* Verbs = NULL;
PathFlags* Flags = NULL;
DocCoord* Coords = NULL;
ThisPath->InkPath.GetPathArrays(&Verbs, &Coords, &Flags);
INT32 NumCoords = ThisPath->InkPath.GetNumCoords();
// BOOL PrevSelected = FALSE;
// INT32 PrevPos = 0;
ObjChangeFlags cFlags;
cFlags.TransformNode = TRUE;
ObjChangeParam ObjChange(OBJCHANGE_STARTING,cFlags,ThisPath,this);
if (!ThisPath->AllowOp(&ObjChange, TRUE))
{
return;
}
// Set the NeedToRender flags
for (INT32 loop = 0; loop < NumCoords; loop++)
{
if (Flags[loop].IsEndPoint && Flags[loop].IsSelected)
Flags[loop].NeedToRender = TRUE;
else
Flags[loop].NeedToRender = FALSE;
}
// Force a re-draw of the place where the path used to be
if (ok)
ok = (RecalcBoundsAction::DoRecalc(this, &UndoActions, ThisPath, TRUE) != AC_FAIL);
DoReversePath (ThisPath);
// Force a redraw of the place where the path is now.
if (ok)
ok = (RecordBoundsAction::DoRecord(this, &UndoActions, ThisPath, TRUE) != AC_FAIL);
}
pNode = Selected->FindNext(pNode);
}
if (ok)
{
ObjChange.Define(OBJCHANGE_FINISHED,cFlags,NULL,this);
if (!UpdateChangedNodes(&ObjChange))
{
FailAndExecute();
End();
return;
}
}
EndSlowJob();
if (!ok)
{
FailAndExecute();
InformError();
}
End();
}