BOOL CImage::EditInit( EDIT_TARGET Target, UNDO_TYPE UndoType,
LPOBJECT lpTargetObject)
{
LPOBJECT lpObject, lpBase;
int retc;
BOOL fDiscardUndo = NO;
BOOL fUndoFailed;
BOOL fMaskEdit;
EDIT_TARGET OldTarget;
lpBase = GetBase();
// the InitUndoType flag is kept separately from the
// DataUndoType and AlphaUndoType so that if the initialization
// of the undo fails we still know what was edited when
// EditedObject and EditedObjectFrame are called
lpObject = NULL;
while (lpObject = GetNextObject(lpObject, YES, NO))
lpObject->InitUndoType = 0;
// No mask undo's are allowed - so apply any that we have now
if (!Control.UndoMasks)
ObjEditApply(lpBase, NO, YES, NO);
// No undo's are allowed - so apply any that we have now
if (Control.NoUndo || fDisableUndos)
{
lpObject = NULL;
while (lpObject = GetNextObject(lpObject, YES, NO))
ObjEditApply(lpObject, YES, lpObject != lpBase, NO);
}
// if we have don't have multiple objects, strip off the delete objects flag
if (!Control.MultipleObjects)
UndoType &= ~UT_DELETEOBJECTS;
// find out whether we are in mask edit mode
fMaskEdit = (Target == ET_OBJECT) && (lpTargetObject == lpBase) &&
((UndoType & UT_ALPHAUNDO) != 0);
// see if any objects cannot have their undos freed without
// asking the user first, if so ask the user and get the response
// This is only a manual apply thing
if (UndoType & (UT_NEWDATA|UT_NEWALPHA) && Control.UseApply)
{
lpObject = NULL;
fDiscardUndo = YES;
while (lpObject = GetNextObject(lpObject, YES, NO))
{
// see if this is an object we are not editing
if ((Target == ET_SELOBJECTS &&
!IsSelectedObject(lpObject)) ||
(Target == ET_OBJECT && lpObject != lpTargetObject))
continue;
if (!ObjEditUndoDiscardable(lpObject, (UndoType & UT_NEWDATA) != 0,
(UndoType & UT_NEWALPHA) != 0))
{
if (lpCmdList->fPlayback)
{
fDiscardUndo = fDiscardUndo;
}
else
{
DISCARDUNDO_PARMS parms;
retc = AstralConfirm( IDS_OKTOAPPLY );
if (retc == IDCANCEL)
return(FALSE);
fDiscardUndo = retc == IDYES;
parms.fDiscardUndo = fDiscardUndo;
PostCommand(lpCmdList, IDS_CMD_DISCARDUNDO, &parms);
}
break;
}
}
}
OldTarget = EditTarget;
EditTarget = Target;
// now loop through the objects initializing their undos
lpObject = NULL;
while (lpObject = GetNextObject(lpObject, YES, NO))
{
// if our last edit involved editing all objects then
// make sure we apply for all objects
if (OldTarget == ET_ALLOBJECTS)
{
ObjEditApply(lpObject, !fMaskEdit,
(lpObject != lpBase) && !fMaskEdit, NO);
}
// see if this is an object we are not editing
if ((Target == ET_SELOBJECTS && !IsSelectedObject(lpObject)) ||
(Target == ET_OBJECT && lpObject != lpTargetObject))
{
// if no individual undo's, wack any undo buffers
// if in auto apply or in manual apply and state is redo
// Objects that are not the base need to also have
// their alphas wacked if this is not a mask edit
if (!Control.UndoObjects && (!Control.UseApply ||
( Control.UseApply && !lpObject->DataUndoNotRedo ) ) )
ObjEditApply(lpObject, !fMaskEdit,
(lpObject != lpBase) && !fMaskEdit, NO);
continue;
}
// Discard it's undo if possible
if (fDiscardUndo)
ObjEditFreeUndo(lpObject, (UndoType & UT_NEWDATA) != 0,
(UndoType & UT_NEWALPHA) != 0);
// save state of undo failed flag
fUndoFailed = lpObject->fUndoFailed;
// Initialize the undo for this object
if (!ObjEditInit(lpObject, UndoType))
{
// Undo initialization failed, so apply all objects that
// were going to be initialized
lpObject = NULL;
while (lpObject = GetNextObject(lpObject, YES, NO))
{
// see if this is an object we are not editing
if ((Target == ET_SELOBJECTS &&
!IsSelectedObject(lpObject)) ||
(Target == ET_OBJECT && lpObject != lpTargetObject))
{
continue;
}
lpObject->fUndoFailed = YES;
lpObject->InitUndoType = 0;
if (lpObject == lpBase)
ObjEditApply(lpObject,
(UndoType & UT_DATAUNDO) != 0,
(UndoType & UT_ALPHAUNDO) != 0, NO);
else
ObjEditApply(lpObject, YES, YES, NO);
}
// if we have failed before
if (fUndoFailed)
return(TRUE);
else
{
Message(IDS_NOUNDO);
return(FALSE);
}
}
lpObject->fUndoFailed = NO;
lpObject->InitUndoType = UndoType;
}
return( TRUE );
}
BOOL ImgEditInit( LPIMAGE lpImage, EDIT_TARGET Target, UNDO_TYPE UndoType,
LPOBJECT lpTargetObject)
/***********************************************************************/
{
LPOBJECT lpObject, lpBase;
int retc;
BOOL fDiscardUndo = NO;
BOOL fUndoFailed;
BOOL fMaskEdit;
lpBase = ImgGetBase(lpImage);
lpObject = NULL;
while (lpObject = ImgGetNextObject(lpImage, lpObject, YES, NO))
lpObject->InitUndoType = 0;
// No mask undo's are allowed - so apply any that we have now
if (!Control.UndoMasks)
ObjEditApply(lpImage, lpBase, NO, YES, NO);
// No undo's are allowed - so apply any that we have now
if (Control.NoUndo)
{
lpObject = NULL;
while (lpObject = ImgGetNextObject(lpImage, lpObject, YES, NO))
ObjEditApply(lpImage, lpObject, YES, lpObject != lpBase, NO);
}
if (!Control.MultipleObjects)
UndoType &= ~UT_DELETEOBJECTS;
fMaskEdit = (Target == ET_OBJECT) && (lpTargetObject == lpBase) &&
((UndoType & UT_ALPHAUNDO) != 0);
// see if any objects cannot have their undos freed without
// asking the user first, if so ask the user and get the response
// This is only a manual apply thing
if (UndoType & (UT_NEWDATA|UT_NEWALPHA) && Control.UseApply)
{
lpObject = NULL;
fDiscardUndo = YES;
while (lpObject = ImgGetNextObject(lpImage, lpObject, YES, NO))
{
// see if this is an object we are not editing
if ((Target == ET_SELOBJECTS &&
!ImgIsSelectedObject(lpImage, lpObject)) ||
(Target == ET_OBJECT && lpObject != lpTargetObject))
continue;
if (!ObjEditUndoDiscardable(lpObject, (UndoType & UT_NEWDATA) != 0,
(UndoType & UT_NEWALPHA) != 0))
{
retc = AstralConfirm( IDS_OKTOAPPLY );
if (retc == IDCANCEL)
return(FALSE);
fDiscardUndo = retc == IDYES;
break;
}
}
}
// now loop through the objects initializing their undos
lpObject = NULL;
while (lpObject = ImgGetNextObject(lpImage, lpObject, YES, NO))
{
// see if this is an object we are not editing
if ((Target == ET_SELOBJECTS && !ImgIsSelectedObject(lpImage, lpObject)) ||
(Target == ET_OBJECT && lpObject != lpTargetObject))
{
// if no individual undo's, wack any undo buffers
// if in auto apply or in manual apply and state is redo
// Objects that are not the base need to also have
// their alphas wacked if this is not a mask edit
if (!Control.UndoObjects && (!Control.UseApply ||
( Control.UseApply && !lpObject->DataUndoNotRedo ) ) )
ObjEditApply(lpImage, lpObject, !fMaskEdit,
(lpObject != lpBase) && !fMaskEdit, NO);
continue;
}
// Discard it's undo if possible
if (fDiscardUndo)
ObjEditFreeUndo(lpObject, (UndoType & UT_NEWDATA) != 0,
(UndoType & UT_NEWALPHA) != 0);
// save state of undo failed flag
fUndoFailed = lpObject->fUndoFailed;
// Initialize the undo for this object
if (!ObjEditInit(lpImage, lpObject, UndoType))
{
// Undo initialization failed, so apply all objects that
// were going to be initialized
lpObject = NULL;
while (lpObject = ImgGetNextObject(lpImage, lpObject, YES, NO))
{
// see if this is an object we are not editing
if ((Target == ET_SELOBJECTS &&
!ImgIsSelectedObject(lpImage, lpObject)) ||
(Target == ET_OBJECT && lpObject != lpTargetObject))
{
continue;
}
lpObject->fUndoFailed = YES;
lpObject->InitUndoType = 0;
if (lpObject == lpBase)
ObjEditApply(lpImage, lpObject,
(UndoType & UT_DATAUNDO) != 0,
(UndoType & UT_ALPHAUNDO) != 0, NO);
else
ObjEditApply(lpImage, lpObject, YES, YES, NO);
}
// if we have failed before
if (fUndoFailed)
return(TRUE);
else
{
Message(IDS_NOUNDO);
return(FALSE);
}
}
lpObject->fUndoFailed = NO;
lpObject->InitUndoType = UndoType;
}
return( TRUE );
}