// $Id: pathndge.cpp 1282 2006-06-09 09:46:49Z alex $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // Implementation of the path nudge ops /* */ #include "camtypes.h" #include "pathndge.h" //#include "app.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "markn.h" #include "nodepath.h" #include "opnudge.h" //#include "trans2d.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "pathedit.h" //#include "docview.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "document.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "ophist.h" DECLARE_SOURCE("$Revision: 1282 $"); CC_IMPLEMENT_DYNCREATE(OpPathNudge,TransOperation) /******************************************************************************************** > void IMPLEMENT_OPPATHNUDGE_CLASS(DIR,X_NUDGE_FACTOR,Y_NUDGE_FACTOR,UNDO_IDS) Author: Peter_Arnold (Xara Group Ltd) (via MarkN) Created: 14/10/94 Inputs: DIR = String postfix specifying the nudge direction and magnitude, e.g. Up1 X_NUDGE_FACTOR = signed INT32 giving the x nudge magnitude and direction Y_NUDGE_FACTOR = y version of above UNDO_IDS = IDS of undo string to append to the undo/redo men items Outputs: - Returns: Purpose: The macro IMPLEMENT_OPPATHNUDGE_CLASS(DIR,X_NUDGE_FACTOR,Y_NUDGE_FACTOR,UNDO_IDS) implements the OpNudgeX Do() function. E.g. OpNudgeUp1 Firstly, CC_IMPLEMENT_DYNCREATE(OpNudgeUp1,OpNudge) is done Then itsets the OpNudge protected member vars as follows- X_NudgeFactor = 0; // I.e. don't nudge in the X dir Y_NudgeFactor = 1; // I.e. Nudge up by 1 nudge step NudgeUndoIDS = _R(IDS_UNDO_NUDGE_UP); // This string appended to the undo/redo menu items It then calls OpNudge::Do() which uses the nudge factors to determine nudging magnitude and direction Errors: - SeeAlso: IMPLEMENT_OPNUDGE_CLASS ********************************************************************************************/ #define IMPLEMENT_OPPATHNUDGE_CLASS(DIR,X_NUDGE_FACTOR,Y_NUDGE_FACTOR,UNDO_IDS) \ CC_IMPLEMENT_DYNCREATE(OpPathNudge ## DIR,OpPathNudge) \ void OpPathNudge ## DIR::Do(OpDescriptor* pOpDesc) \ { \ X_NudgeFactor = X_NUDGE_FACTOR; \ Y_NudgeFactor = Y_NUDGE_FACTOR; \ NudgeUndoIDS = UNDO_IDS; \ OpPathNudge::Do(pOpDesc); \ } \ IMPLEMENT_OPPATHNUDGE_CLASS (Up1,0,1,_R(IDS_UNDO_NUDGE_UP)) IMPLEMENT_OPPATHNUDGE_CLASS (Up5,0,5,_R(IDS_UNDO_NUDGE_UP)) IMPLEMENT_OPPATHNUDGE_CLASS (Up10,0,10,_R(IDS_UNDO_NUDGE_UP)) IMPLEMENT_OPPATHNUDGE_CLASS (UpFifth,0,0.2,_R(IDS_UNDO_NUDGE_UP)) IMPLEMENT_OPPATHNUDGE_CLASS (UpPixel1,0,1,_R(IDS_UNDO_NUDGE_UP)) IMPLEMENT_OPPATHNUDGE_CLASS (UpPixel10,0,10,_R(IDS_UNDO_NUDGE_UP)) IMPLEMENT_OPPATHNUDGE_CLASS (Down1,0,-1,_R(IDS_UNDO_NUDGE_DOWN)) IMPLEMENT_OPPATHNUDGE_CLASS (Down5,0,-5,_R(IDS_UNDO_NUDGE_DOWN)) IMPLEMENT_OPPATHNUDGE_CLASS (Down10,0,-10,_R(IDS_UNDO_NUDGE_DOWN)) IMPLEMENT_OPPATHNUDGE_CLASS (DownFifth,0,-0.2,_R(IDS_UNDO_NUDGE_DOWN)) IMPLEMENT_OPPATHNUDGE_CLASS (DownPixel1 ,0,-1,_R(IDS_UNDO_NUDGE_DOWN)) IMPLEMENT_OPPATHNUDGE_CLASS (DownPixel10,0,-10,_R(IDS_UNDO_NUDGE_DOWN)) IMPLEMENT_OPPATHNUDGE_CLASS (Left1,-1,0,_R(IDS_UNDO_NUDGE_LEFT)) IMPLEMENT_OPPATHNUDGE_CLASS (Left5,-5,0,_R(IDS_UNDO_NUDGE_LEFT)) IMPLEMENT_OPPATHNUDGE_CLASS (Left10,-10,0,_R(IDS_UNDO_NUDGE_LEFT)) IMPLEMENT_OPPATHNUDGE_CLASS (LeftFifth,-0.2,0,_R(IDS_UNDO_NUDGE_LEFT)) IMPLEMENT_OPPATHNUDGE_CLASS (LeftPixel1 ,-1,0,_R(IDS_UNDO_NUDGE_LEFT)) IMPLEMENT_OPPATHNUDGE_CLASS (LeftPixel10,-10,0,_R(IDS_UNDO_NUDGE_LEFT)) IMPLEMENT_OPPATHNUDGE_CLASS (Right1,1,0,_R(IDS_UNDO_NUDGE_RIGHT)) IMPLEMENT_OPPATHNUDGE_CLASS (Right5,5,0,_R(IDS_UNDO_NUDGE_RIGHT)) IMPLEMENT_OPPATHNUDGE_CLASS (Right10,10,0,_R(IDS_UNDO_NUDGE_RIGHT)) IMPLEMENT_OPPATHNUDGE_CLASS (RightFifth,0.2,0,_R(IDS_UNDO_NUDGE_RIGHT)) IMPLEMENT_OPPATHNUDGE_CLASS (RightPixel1,1,0,_R(IDS_UNDO_NUDGE_RIGHT)) IMPLEMENT_OPPATHNUDGE_CLASS (RightPixel10,10,0,_R(IDS_UNDO_NUDGE_RIGHT)) #define new CAM_DEBUG_NEW MILLIPOINT OpPathNudge::NudgeStep = 2835; // The default size of a single nudge (1mm) double OpPathNudge::X_NudgeFactor = 1; // Distance nudged in x = NudgeStep * X_NudgeFactor; double OpPathNudge::Y_NudgeFactor = 0; // Distance nudged in y = NudgeStep * Y_NudgeFactor; /******************************************************************************************** > void OpPathNudge::Do(OpDescriptor* pOpDesc) Author: Peter_Arnold (Xara Group Ltd) Created: 14/10/94 Inputs: pOpDesc = ptr to the op descriptor Purpose: The path nudge op's Do() function. SeeAlso: OpNudge::Do() ********************************************************************************************/ void OpPathNudge::Do(OpDescriptor* pOpDesc) { NudgeStep = OpNudge::GetNudgeStep(); // Get scaled pixel size FIXED16 ScaledPixelWidth, ScaledPixelHeight; GetWorkingView()->GetScaledPixelSize(&ScaledPixelWidth, &ScaledPixelHeight) ; PixelNudge=ScaledPixelWidth.MakeDouble() ; // Determine the nudge factors based on the OpDescriptor used to invoke the nudge operation String OpToken = pOpDesc->Token; if (OpToken == String(OPTOKEN_NUDGEUPPIXEL1)) { PixelNudgeClass = TRUE; } else if (OpToken == String(OPTOKEN_NUDGEUPPIXEL10)) { PixelNudgeClass = TRUE; } else if (OpToken == String(OPTOKEN_NUDGEDOWNPIXEL1)) { PixelNudgeClass = TRUE; } else if (OpToken == String(OPTOKEN_NUDGEDOWNPIXEL10)) { PixelNudgeClass = TRUE; } else if (OpToken == String(OPTOKEN_NUDGELEFTPIXEL1)) { PixelNudgeClass = TRUE; } else if (OpToken == String(OPTOKEN_NUDGELEFTPIXEL10)) { PixelNudgeClass = TRUE; } else if (OpToken == String(OPTOKEN_NUDGERIGHTPIXEL1)) { PixelNudgeClass = TRUE; } else if (OpToken == String(OPTOKEN_NUDGERIGHTPIXEL10)) { PixelNudgeClass = TRUE; } else if (OpToken == String(OPTOKEN_NUDGEUP1)) { PixelNudgeClass = FALSE; } else if (OpToken == String(OPTOKEN_NUDGEUP10)) { PixelNudgeClass = FALSE; } else if (OpToken == String(OPTOKEN_NUDGEDOWN1)) { PixelNudgeClass = FALSE; } else if (OpToken == String(OPTOKEN_NUDGEDOWN10)) { PixelNudgeClass = FALSE; } else if (OpToken == String(OPTOKEN_NUDGELEFT1)) { PixelNudgeClass = FALSE; } else if (OpToken == String(OPTOKEN_NUDGELEFT10)) { PixelNudgeClass = FALSE; } else if (OpToken == String(OPTOKEN_NUDGERIGHT1)) { PixelNudgeClass = FALSE; } else if (OpToken == String(OPTOKEN_NUDGERIGHT10)) { PixelNudgeClass = FALSE; } // Setup the Offset DocCoord to contain the X and Y translation values DocCoord Offset; if (PixelNudgeClass) { Offset.x=(INT32)GetXPixelDisplacement(); Offset.y=(INT32)GetYPixelDisplacement(); } else if (!PixelNudgeClass) { //TypeCast from double to INT32 Offset.x=(INT32) GetXNudgeDisplacement(); Offset.y=(INT32) GetYNudgeDisplacement(); } SelRange* Selection = GetApplication()->FindSelection(); Node* pNode = Selection->FindFirst(); NodePath* ThisPath = NULL; BOOL HaveNudged = FALSE; DocRect BoundingBox; BOOL BoundingBoxValid = FALSE; PathVerb* Verbs = NULL; PathFlags* Flags = NULL; DocCoord* Coords = NULL; INT32 NumCoords = 0; BOOL ok = TRUE; // Only start an undo record if there is work to do! if (pNode != NULL) ok = DoStartTransOp(FALSE, NULL); while (ok && pNode!=NULL) { //scan tree for all selected paths if ( IS_A(pNode,NodePath) && (((NodePath*)pNode)->InkPath.IsSubSelection()) ) { // for convenience, cast the pointer to a pointer to a NodePath ThisPath = (NodePath*)pNode; // First get pointers to the arrays ThisPath->InkPath.GetPathArrays(&Verbs, &Coords, &Flags); NumCoords = ThisPath->InkPath.GetNumCoords(); BOOL ok = TRUE; for (INT32 i=0; iInkPath.IsSubPathClosed(i))) { INT32 PrevIndex = ThisPath->InkPath.FindPrevControlPoint(i); if (PrevIndex!=-1 && ok) { DocCoord NewCoord = Coords[PrevIndex] + Offset; ok = DoAlterPathElement(ThisPath, PrevIndex, NewCoord, Flags[PrevIndex], Verbs[PrevIndex]); } INT32 NextIndex = ThisPath->InkPath.FindNextControlPoint(i); if (NextIndex!=-1 && ok) { DocCoord NewCoord = Coords[NextIndex] + Offset; ok = DoAlterPathElement(ThisPath, NextIndex, NewCoord, Flags[NextIndex], Verbs[NextIndex]); } } } } } pNode = Selection->FindNext(pNode); } if (ok && !HaveNudged) { // No points were selected so we need to move all the selected paths pNode = Selection->FindFirst(); while (ok && pNode!=NULL) { if (IS_A(pNode,NodePath)) { // Construct the translation matrix Trans2DMatrix* TransMat = new Trans2DMatrix(Offset.x, Offset.y); // And apply it to the path ok = DoTransformNode((NodeRenderableInk*)pNode, TransMat); } pNode = Selection->FindNext(pNode); } if (ok) { BoundingBox = Selection->GetBoundingRect(); BoundingBoxValid = TRUE; } } if (ok) { if (BoundingBoxValid) { DocView* pDocView = DocView::GetSelected(); if (pDocView != NULL) { pDocView->ScrollToShow(&BoundingBox, Offset); } } } else { InformError(); FailAndExecute(); } End(); } /******************************************************************************************** > void OpPathNudge::GetOpName(String_256* OpName) Author: Peter_Arnold (Xara Group Ltd) Created: 8/9/94 Outputs: The undo string for the operation Purpose: The GetOpName fn is overridden so that we return back a description appropriate to the type of attribute that the operation applies. SeeAlso: OpNudge::GetOpName() ********************************************************************************************/ void OpPathNudge::GetOpName(String_256* OpName) { *OpName = String_256(NudgeUndoIDS); } /******************************************************************************************** > virtual void OpPathNudge::PerformMergeProcessing() Author: Peter_Arnold (Xara Group Ltd) Created: 22/1/96 Inputs: - Outputs: - Returns: - Purpose: If the previous operation was also a path nudge the the undo actions are merged to form one undo step. SeeAlso: UndoableOperation::PerformMergeProcessing ********************************************************************************************/ void OpPathNudge::PerformMergeProcessing() { if (pOurDoc==NULL) { ERROR3("This operation had no document pointer"); return; } // Obtain a pointer to the operation history for the current document OperationHistory* pOpHist = &pOurDoc->GetOpHistory(); if (pOpHist==NULL) { ERROR3("This document has no operation history"); return; } ERROR3IF(pOpHist->FindLastOp() != this, "Last Op should be this op"); // Is operation performed before this a path nudge? Attempt a merge if so Operation* pPrevOp = pOpHist->FindPrevToLastOp(); if ((pPrevOp != NULL) && pPrevOp->IS_KIND_OF(OpPathNudge)) { BOOL PerformMerge = TRUE; // Count the number of actions. They must be the same to merge. UINT32 NumPrevActions = pPrevOp->GetUndoActionList()->GetCount(); UINT32 NumOurActions = GetUndoActionList()->GetCount(); PerformMerge = (NumPrevActions == NumOurActions); // Compare the actions to check we are operating on the same points on the same paths if (PerformMerge) { Action* pPrevAction = (Action*)pPrevOp->GetUndoActionList()->GetHead(); Action* pOurAction = (Action*)GetUndoActionList()->GetHead(); while (PerformMerge && pPrevAction!=NULL && pOurAction!=NULL) { // Actions must be of the same class PerformMerge = (pPrevAction->GetRuntimeClass() == pOurAction->GetRuntimeClass()); // ModifyElementActions must reference the same path and index if (PerformMerge && IS_A(pPrevAction, ModifyElementAction)) { const ModifyElementAction* pPrevModify = (ModifyElementAction*)pPrevAction; const ModifyElementAction* pOurModify = (ModifyElementAction*)pOurAction; PerformMerge = (pPrevModify->GetActionPath()==pOurModify->GetActionPath() && pPrevModify->GetActionIndex()==pOurModify->GetActionIndex()); } // If the nudge has used TransformNodeActions don't merge to avoid // redraw problems if (PerformMerge && IS_A(pPrevAction, TransformNodeAction)) PerformMerge = FALSE; pPrevAction = (Action*)pPrevOp->GetUndoActionList()->GetNext(pPrevAction); pOurAction = (Action*)GetUndoActionList()->GetNext(pOurAction); } // Perform the merge if (PerformMerge) { // In order to merge these two ops we can just throw away this op! pOpHist->DeleteLastOp(); } } } }