// $Id: opsmpshp.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============================ */ // The Ellipes creation and Editing operations /* */ #include "camtypes.h" #include "opsmpshp.h" // Code headers //#include "app.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "attrmgr.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "document.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "docview.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "fillattr.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "noderect.h" #include "progress.h" #include "objchge.h" //#include "rndrgn.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "trans2d.h" - in camtypes.h [AUTOMATICALLY REMOVED] // Resource headers //#include "mario.h" //#include "resource.h" //#include "rik.h" #include "bubbleid.h" CC_IMPLEMENT_DYNCREATE( OpEditRectangle, SelOperation ) #define new CAM_DEBUG_NEW /******************************************************************************************** > OpEditRectangle::OpEditRectangle() Author: Rik_Heywood (Xara Group Ltd) Created: 1/6/94 Purpose: Dummy Contrustor ********************************************************************************************/ OpEditRectangle::OpEditRectangle() { RectPath = NULL; } /******************************************************************************************** > void OpEditRectangle::DoDrag(DocCoord Anchor, Spread* pSpread, NodeEllipse* pElip, INT32 Corner) Author: Rik_Heywood (Xara Group Ltd) Created: 1/6/94 Inputs: Anchor - The starting position of the drag pSpread - The spread that the drag started over pElip - The NodeEllipse that is being edited Corner - The corner of the Parallelogram that is fixed Purpose: Starts up a drag for editing a NodeEllipse. It records the start postion and start spread etc as well as copying the parallelogram of the NodeEllipse to change and creating a new NodeEllipse for the purpose of render EORed stuff ********************************************************************************************/ void OpEditRectangle::DoDrag(DocCoord Anchor, Spread* pSpread, NodeRect* pRect, INT32 Corner) { // Various starting positions StartSpread = pSpread; StartPoint = Anchor; LastMousePosition = Anchor; // The original shape in the tree OldRect = pRect; // Make a copy of the bounding parallelogram Parallel[0] = pRect->Parallel[0]; Parallel[1] = pRect->Parallel[1]; Parallel[2] = pRect->Parallel[2]; Parallel[3] = pRect->Parallel[3]; // Which corner of the parallelogram is not moving FixedCorner = Corner; // We will make a rect for the drag blobs UseRect = FALSE; RectPath = new NodeRect; if (RectPath!=NULL) { if (RectPath->SetUpPath(12,12)) { // Mark the Ellipse as being valid UseRect = TRUE; // Give the ellipse a valid path RectPath->CreateShape(pRect->GetBoundingRect()); RectPath->Parallel[Corner] = Parallel[Corner]; // Build a rect from the parallel ready for the Eor blobs RebuildParallelogram(Anchor); // and draw the blobs in RenderDragBlobs(DocRect(0,0,0,0), StartSpread, FALSE); // And tell the Dragging system that we need drags to happen StartDrag( DRAGTYPE_AUTOSCROLL ); } } // If we do not have a path, then report the error if (UseRect == FALSE) InformError(_R(IDS_OUT_OF_MEMORY), _R(IDS_OK)); } /******************************************************************************************** > void OpEditRectangle::DragPointerMove(DocCoord PointerPos, ClickModifiers ClickMods, Spread* pSpread, BOOL bSolidDrag) Author: Rik_Heywood (Xara Group Ltd) Created: 1/6/94 Inputs: PointerPos - The current position of the mouse ClickMods - Which buttons and modifiers are held down pSpread - The Spread that the mouse is over now. Purpose: Recalculates the ellipse according to the new position of the corner that is being dragged, EORs it to the screen and keeps the Parallelogram up to date. ********************************************************************************************/ void OpEditRectangle::DragPointerMove(DocCoord PointerPos, ClickModifiers ClickMods, Spread* pSpread, BOOL bSolidDrag) { // Snap the actual mouse position to the grid if needed DocView::SnapCurrent(pSpread, &PointerPos); // Constrain the mouse motion if needed if (ClickMods.Constrain) DocView::ConstrainToAngle(StartPoint, &PointerPos); // If the mouse is in a different position then do something if (PointerPos != LastMousePosition) { // First Rub out the old Drag blobs RenderDragBlobs(DocRect(0,0,0,0), StartSpread, bSolidDrag); // Make sure that the coords are relative to the coorect spread if (pSpread != StartSpread) PointerPos = MakeRelativeToSpread(StartSpread, pSpread, PointerPos); // Build an ellipse ready for the Eor blobs RebuildParallelogram(PointerPos); // Update the last mouse position and re-calc the bounding rect LastMousePosition = PointerPos; RenderDragBlobs(DocRect(0,0,0,0), StartSpread, bSolidDrag); } } /******************************************************************************************** > void OpEditRectangle::DragFinished(DocCoord PointerPos, ClickModifiers ClickMods, Spread* pSpread, BOOL Success, BOOL bSolidDrag) Author: Rik_Heywood (Xara Group Ltd) Created: 1/6/94 Inputs: PointerPos - The current position of the mouse ClickMods - Which buttons and modifiers are held down pSpread - The Spread that the mouse is over now. Success - TRUE if the drag was completed sucessfully. Purpose: If the drag was a success then a copy of the original node in the tree is created and updated ellipse built. The original NodeEllipse is hidden and the new one if inserted into the tree. If any of these things fail then the operation will fail. ********************************************************************************************/ void OpEditRectangle::DragFinished(DocCoord PointerPos, ClickModifiers ClickMods, Spread*, BOOL Success, BOOL bSolidDrag) { // First Rub out the old Drag blobs and end the drag RenderDragBlobs(DocRect(0,0,0,0), StartSpread, bSolidDrag); EndDrag(); // Flag to say if everything has worked BOOL IsOk = FALSE; // if the drag was a sucess then start to build undo etc if (Success) { // Will the ellipse allow the op? ObjChangeFlags cFlags; cFlags.ReplaceNode = TRUE; ObjChangeParam ObjChange(OBJCHANGE_STARTING,cFlags,OldRect,this); IsOk = OldRect->AllowOp(&ObjChange); // build all the undo and complete the edit if (IsOk) IsOk = CompleteOperation(); if (IsOk) { // Update all the effected parents ObjChange.Define(OBJCHANGE_FINISHED,cFlags,OldRect,this); IsOk = UpdateChangedNodes(&ObjChange); } } // If something went wrong, then fail if (IsOk==FALSE) FailAndExecute(); // If we have an rect to work with then get rid of it if (UseRect) delete RectPath; // always call end End(); } /******************************************************************************************** > BOOL OpEditRectangle::CompleteOperation() Author: Rik_Heywood (Xara Group Ltd) Created: 24/8/94 Returns: TRUE if it worked, FALSE if it failed Purpose: Builds all the undo and generally edits the rectangle. ********************************************************************************************/ BOOL OpEditRectangle::CompleteOperation() { // Start a slow job BeginSlowJob(); // Get a node to copy the original into Node* pNode; if (!OldRect->NodeCopy(&pNode)) return FALSE; // Get our new node as the correct type ENSURE(pNode->IsKindOf(CC_RUNTIME_CLASS(NodeRect)), "Node should have been a NodeRect"); NodeRect* pRect = (NodeRect*) pNode; // Create an rect to fill the bounding rect pRect->Parallel[0] = RectPath->Parallel[0]; pRect->Parallel[1] = RectPath->Parallel[1]; pRect->Parallel[2] = RectPath->Parallel[2]; pRect->Parallel[3] = RectPath->Parallel[3]; pRect->UpdateShape(); pRect->InkPath.IsFilled = TRUE; // Start building the undo if (!DoStartSelOp(FALSE)) return FALSE; // Add the new rect to the tree if (!DoInsertNewNode(pRect, OldRect, NEXT, TRUE)) return FALSE; // Invalidate the region of the old rect if (!DoInvalidateNodeRegion(OldRect, TRUE)) return FALSE; // and remove the old Rect from the tree if (!DoHideNode(OldRect, TRUE)) return FALSE; // Transform the Node Children according to bounding box changes if (!TransformChildAttrs(pRect)) return FALSE; // everything has worked, so return TRUE return TRUE; } /******************************************************************************************** > BOOL OpEditRectangle::TransformChildAttrs(NodeRect* pRect) Author: Will_Cowling (Xara Group Ltd) Created: 24/8/94 Purpose: This performs a bodge that Charles asked to be added that scales the attributes when the rectangle is edited. ********************************************************************************************/ BOOL OpEditRectangle::TransformChildAttrs(NodeRect* pRect) { DocRect OldBounds = OldRect->GetBoundingRect(TRUE); DocRect NewBounds = pRect->GetBoundingRect(TRUE); // Get the Width and Height of the two rectangles INT32 OldWidth = OldBounds.Width(); INT32 OldHeight = OldBounds.Height(); INT32 NewWidth = NewBounds.Width(); INT32 NewHeight = NewBounds.Height(); // Find the Centre of each rectangle OldBounds.Translate(OldWidth/2, OldHeight/2); NewBounds.Translate(NewWidth/2, NewHeight/2); DocCoord OldCentre = OldBounds.lo; DocCoord NewCentre = NewBounds.lo; // Calculate the difference in size between the two rectangles FIXED16 xscale = FIXED16(double(NewWidth)/double(OldWidth)); FIXED16 yscale = FIXED16(double(NewHeight)/double(OldHeight)); // And now make a transform for the attribute // First move the old attribute position to the origin Matrix AttrTrans = Matrix(-OldCentre.x, -OldCentre.y); // Now scale it AttrTrans *= Matrix(xscale, yscale); // And finally move it to the new position AttrTrans *= Matrix(NewCentre.x, NewCentre.y); // Now scan for all Attribute Children and Transform them Node* pNode = pRect->FindFirstChild(); while (pNode != NULL) { if (pNode->IsKindOf(CC_RUNTIME_CLASS(AttrFillGeometry))) { // get the transform to use Trans2DMatrix* Trans = new Trans2DMatrix(AttrTrans); // get the node and transform it //NodeAttribute* NodeToTransform = (NodeAttribute*)pNode; // RangeControl rc = {TRUE, TRUE, FALSE}; Range temp(pNode, pNode, RangeControl(TRUE,TRUE,FALSE)); if (!DoTransformNodes(temp, Trans)) { delete Trans; return FALSE; } } // go get the next one pNode = pNode->FindNext(); } return TRUE; } /******************************************************************************************** > void OpEditRectangle::RebuildParallelogram(DocCoord PointerPos) Author: Rik_Heywood (Xara Group Ltd) Created: 1/6/94 Inputs: PointerPos - The coords of the Parallelograms corner that is being dragged Purpose: Recalculates the parallelogram based on the corner being dragged and the fixed corner. The new parallelogram is copied into the Ellipse we are using for EORing and the Ellipse rebuilt to fit the parallelogram ********************************************************************************************/ void OpEditRectangle::RebuildParallelogram(DocCoord PointerPos) { // Lets number the coordinates. 0 is the fixed one and go clockwise from there INT32 pos0, pos1, pos2, pos3; pos0 = FixedCorner; if (pos0>1) pos2 = pos0-2; else pos2 = pos0+2; if (pos0==3) pos1 = 0; else pos1 = pos0+1; if (pos0==0) pos3 = 3; else pos3 = pos0-1; // Calculate the offsets from the old point and the fixed point double dx0 = PointerPos.x - Parallel[pos2].x; double dy0 = PointerPos.y - Parallel[pos2].y; double dx3 = Parallel[pos1].x - Parallel[pos0].x; double dy3 = Parallel[pos1].y - Parallel[pos0].y; double dx4 = Parallel[pos3].x - Parallel[pos0].x; double dy4 = Parallel[pos3].y - Parallel[pos0].y; // Calculate the bits that we need to know double dx1 = dx3 * ((dy0*dx4-dy4*dx0) / (dx4*dy3-dy4*dx3)); double dy1 = dy3 * ((dy0*dx4-dy4*dx0) / (dx4*dy3-dy4*dx3)); double dx2 = dx4 * ((dx3*dy0-dy3*dx0) / (dy4*dx3-dx4*dy3)); double dy2 = dy4 * ((dx3*dy0-dy3*dx0) / (dy4*dx3-dx4*dy3)); // Change the parallelogram RectPath->Parallel[pos1].x = Parallel[pos1].x + (INT32)dx1; RectPath->Parallel[pos1].y = Parallel[pos1].y + (INT32)dy1; RectPath->Parallel[pos3].x = Parallel[pos3].x + (INT32)dx2; RectPath->Parallel[pos3].y = Parallel[pos3].y + (INT32)dy2; RectPath->Parallel[pos2] = PointerPos; // Build an ellipse in this parallelogram RectPath->UpdateShape(); } /******************************************************************************************** > void OpEditRectangle::RenderDragBlobs(DocRect Rect, Spread* pSpread, BOOL bSolidDrag) Author: Rik_Heywood (Xara Group Ltd) Created: 1/6/94 Inputs: Rect - the rect that needs redrawing pSpread - the spread that is being rendered Purpose: Renders the Ellipse as it will look if the drag were to end. If we failed to create the Ellipse earlier, it will draw a bounding rect ********************************************************************************************/ void OpEditRectangle::RenderDragBlobs(DocRect Rect, Spread* pSpread, BOOL bSolidDrag) { // If being called from DocView::RenderView, then the spread could be wrong if (pSpread != StartSpread) return; // Decide what to area to redraw DocRect* pRect = NULL; if (!Rect.IsEmpty()) pRect = &Rect; // Start an eor render session RenderRegion* pRegion = DocView::RenderOnTop(pRect, pSpread, ClippedEOR); while (pRegion) { // Set the line colour pRegion->SetLineColour(COLOUR_XORNEW); // Draw the Rectangle RectPath->RenderEorDrag(pRegion); // Get the Next render region pRegion = DocView::GetNextOnTop(pRect); } } /******************************************************************************************** > BOOL OpEditRectangle::Declare() Author: Mario_Shamtani (Xara Group Ltd) Created: 21/9/93 Returns: TRUE if all went OK, False otherwise Purpose: Adds the operation to the list of all known operations ********************************************************************************************/ BOOL OpEditRectangle::Init() { return (RegisterOpDescriptor( 0, _R(IDS_RECTANGLE_TOOL), CC_RUNTIME_CLASS(OpEditRectangle), OPTOKEN_EDITRECT, OpEditRectangle::GetState, 0, /* help ID */ _R(IDBBL_EDITRECTOP), 0 /* bitmap ID */)); } /******************************************************************************************** > OpState OpEditRectangle::GetState(String_256* Description, OpDescriptor*) Author: Mario_Shamtani (Xara Group Ltd) Created: 15/11/93 Outputs: Description - GetState fills this string with an approriate description of the current state of the push tool Returns: The state of the operation, so that menu items (ticks and greying can be done properly Purpose: Find out the state of the operation at the specific time ********************************************************************************************/ OpState OpEditRectangle::GetState(String_256* Description, OpDescriptor*) { OpState Blobby; return Blobby; }