+/////////////////////////////////////////////////////////////////////////////
+// Name: basic.cpp
+// Purpose: Basic OGL classes
+// Author: Julian Smart
+// Modified by:
+// Created: 12/07/98
+// RCS-ID: $Id$
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "basic.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include <wx/wxprec.h>
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#include <wx/wx.h>
+#endif
+
+#include <wx/wxexpr.h>
+
+#if wxUSE_IOSTREAMH
+#include <iostream.h>
+#else
+#include <iostream>
+#endif
+
+#include <stdio.h>
+#include <ctype.h>
+#include <math.h>
+
+#include "basic.h"
+#include "basicp.h"
+#include "composit.h"
+#include "lines.h"
+#include "canvas.h"
+#include "divided.h"
+#include "misc.h"
+
+// Control point types
+// Rectangle and most other shapes
+#define CONTROL_POINT_VERTICAL 1
+#define CONTROL_POINT_HORIZONTAL 2
+#define CONTROL_POINT_DIAGONAL 3
+
+// Line
+#define CONTROL_POINT_ENDPOINT_TO 4
+#define CONTROL_POINT_ENDPOINT_FROM 5
+#define CONTROL_POINT_LINE 6
+
+IMPLEMENT_DYNAMIC_CLASS(wxShapeTextLine, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxAttachmentPoint, wxObject)
+
+wxShapeTextLine::wxShapeTextLine(double the_x, double the_y, const wxString& the_line)
+{
+ m_x = the_x; m_y = the_y; m_line = the_line;
+}
+
+wxShapeTextLine::~wxShapeTextLine()
+{
+}
+
+IMPLEMENT_ABSTRACT_CLASS(wxShapeEvtHandler, wxObject)
+
+wxShapeEvtHandler::wxShapeEvtHandler(wxShapeEvtHandler *prev, wxShape *shape)
+{
+ m_previousHandler = prev;
+ m_handlerShape = shape;
+}
+
+wxShapeEvtHandler::~wxShapeEvtHandler()
+{
+}
+
+// Creates a copy of this event handler.
+wxShapeEvtHandler* wxShapeEvtHandler::CreateNewCopy()
+{
+ wxShapeEvtHandler* newObject = (wxShapeEvtHandler*) GetClassInfo()->CreateObject();
+
+ wxASSERT( (newObject != NULL) );
+ wxASSERT( (newObject->IsKindOf(CLASSINFO(wxShapeEvtHandler))) );
+
+ newObject->m_previousHandler = newObject;
+
+ CopyData(*newObject);
+
+ return newObject;
+}
+
+
+void wxShapeEvtHandler::OnDelete()
+{
+ if (this != GetShape())
+ delete this;
+}
+
+void wxShapeEvtHandler::OnDraw(wxDC& dc)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnDraw(dc);
+}
+
+void wxShapeEvtHandler::OnMoveLinks(wxDC& dc)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnMoveLinks(dc);
+}
+
+void wxShapeEvtHandler::OnMoveLink(wxDC& dc, bool moveControlPoints)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnMoveLink(dc, moveControlPoints);
+}
+
+void wxShapeEvtHandler::OnDrawContents(wxDC& dc)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnDrawContents(dc);
+}
+
+void wxShapeEvtHandler::OnDrawBranches(wxDC& dc, bool erase)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnDrawBranches(dc, erase);
+}
+
+void wxShapeEvtHandler::OnSize(double x, double y)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnSize(x, y);
+}
+
+bool wxShapeEvtHandler::OnMovePre(wxDC& dc, double x, double y, double old_x, double old_y, bool display)
+{
+ if (m_previousHandler)
+ return m_previousHandler->OnMovePre(dc, x, y, old_x, old_y, display);
+ else
+ return TRUE;
+}
+
+void wxShapeEvtHandler::OnMovePost(wxDC& dc, double x, double y, double old_x, double old_y, bool display)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnMovePost(dc, x, y, old_x, old_y, display);
+}
+
+void wxShapeEvtHandler::OnErase(wxDC& dc)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnErase(dc);
+}
+
+void wxShapeEvtHandler::OnEraseContents(wxDC& dc)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnEraseContents(dc);
+}
+
+void wxShapeEvtHandler::OnHighlight(wxDC& dc)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnHighlight(dc);
+}
+
+void wxShapeEvtHandler::OnLeftClick(double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnLeftClick(x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnLeftDoubleClick(double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnLeftDoubleClick(x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnRightClick(double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnRightClick(x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnDragLeft(bool draw, double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnDragLeft(draw, x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnBeginDragLeft(double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnBeginDragLeft(x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnEndDragLeft(double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnEndDragLeft(x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnDragRight(bool draw, double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnDragRight(draw, x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnBeginDragRight(double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnBeginDragRight(x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnEndDragRight(double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnEndDragRight(x, y, keys, attachment);
+}
+
+// Control points ('handles') redirect control to the actual shape, to make it easier
+// to override sizing behaviour.
+void wxShapeEvtHandler::OnSizingDragLeft(wxControlPoint* pt, bool draw, double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnSizingDragLeft(pt, draw, x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnSizingBeginDragLeft(wxControlPoint* pt, double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnSizingBeginDragLeft(pt, x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys, int attachment)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnSizingEndDragLeft(pt, x, y, keys, attachment);
+}
+
+void wxShapeEvtHandler::OnDrawOutline(wxDC& dc, double x, double y, double w, double h)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnDrawOutline(dc, x, y, w, h);
+}
+
+void wxShapeEvtHandler::OnDrawControlPoints(wxDC& dc)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnDrawControlPoints(dc);
+}
+
+void wxShapeEvtHandler::OnEraseControlPoints(wxDC& dc)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnEraseControlPoints(dc);
+}
+
+// Can override this to prevent or intercept line reordering.
+void wxShapeEvtHandler::OnChangeAttachment(int attachment, wxLineShape* line, wxList& ordering)
+{
+ if (m_previousHandler)
+ m_previousHandler->OnChangeAttachment(attachment, line, ordering);
+}
+
+IMPLEMENT_ABSTRACT_CLASS(wxShape, wxShapeEvtHandler)
+
+wxShape::wxShape(wxShapeCanvas *can)
+{
+ m_eventHandler = this;
+ SetShape(this);
+ m_id = 0;
+ m_formatted = FALSE;
+ m_canvas = can;
+ m_xpos = 0.0; m_ypos = 0.0;
+ m_pen = g_oglBlackPen;
+ m_brush = wxWHITE_BRUSH;
+ m_font = g_oglNormalFont;
+ m_textColour = wxBLACK;
+ m_textColourName = "BLACK";
+ m_visible = FALSE;
+ m_clientData = NULL;
+ m_selected = FALSE;
+ m_attachmentMode = ATTACHMENT_MODE_NONE;
+ m_spaceAttachments = TRUE;
+ m_disableLabel = FALSE;
+ m_fixedWidth = FALSE;
+ m_fixedHeight = FALSE;
+ m_drawHandles = TRUE;
+ m_sensitivity = OP_ALL;
+ m_draggable = TRUE;
+ m_parent = NULL;
+ m_formatMode = FORMAT_CENTRE_HORIZ | FORMAT_CENTRE_VERT;
+ m_shadowMode = SHADOW_NONE;
+ m_shadowOffsetX = 6;
+ m_shadowOffsetY = 6;
+ m_shadowBrush = wxBLACK_BRUSH;
+ m_textMarginX = 5;
+ m_textMarginY = 5;
+ m_regionName = "0";
+ m_centreResize = TRUE;
+ m_maintainAspectRatio = FALSE;
+ m_highlighted = FALSE;
+ m_rotation = 0.0;
+ m_branchNeckLength = 10;
+ m_branchStemLength = 10;
+ m_branchSpacing = 10;
+ m_branchStyle = BRANCHING_ATTACHMENT_NORMAL;
+
+ // Set up a default region. Much of the above will be put into
+ // the region eventually (the duplication is for compatibility)
+ wxShapeRegion *region = new wxShapeRegion;
+ m_regions.Append(region);
+ region->SetName("0");
+ region->SetFont(g_oglNormalFont);
+ region->SetFormatMode(FORMAT_CENTRE_HORIZ | FORMAT_CENTRE_VERT);
+ region->SetColour("BLACK");
+}
+
+wxShape::~wxShape()
+{
+ if (m_parent)
+ m_parent->GetChildren().DeleteObject(this);
+
+ ClearText();
+ ClearRegions();
+ ClearAttachments();
+
+ if (m_canvas)
+ m_canvas->RemoveShape(this);
+
+ GetEventHandler()->OnDelete();
+}
+
+void wxShape::SetHighlight(bool hi, bool recurse)
+{
+ m_highlighted = hi;
+ if (recurse)
+ {
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->SetHighlight(hi, recurse);
+ node = node->Next();
+ }
+ }
+}
+
+void wxShape::SetSensitivityFilter(int sens, bool recursive)
+{
+ if (sens & OP_DRAG_LEFT)
+ m_draggable = TRUE;
+ else
+ m_draggable = FALSE;
+
+ m_sensitivity = sens;
+ if (recursive)
+ {
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *obj = (wxShape *)node->Data();
+ obj->SetSensitivityFilter(sens, TRUE);
+ node = node->Next();
+ }
+ }
+}
+
+void wxShape::SetDraggable(bool drag, bool recursive)
+{
+ m_draggable = drag;
+ if (m_draggable)
+ m_sensitivity |= OP_DRAG_LEFT;
+ else
+ if (m_sensitivity & OP_DRAG_LEFT)
+ m_sensitivity = m_sensitivity - OP_DRAG_LEFT;
+
+ if (recursive)
+ {
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *obj = (wxShape *)node->Data();
+ obj->SetDraggable(drag, TRUE);
+ node = node->Next();
+ }
+ }
+}
+
+void wxShape::SetDrawHandles(bool drawH)
+{
+ m_drawHandles = drawH;
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *obj = (wxShape *)node->Data();
+ obj->SetDrawHandles(drawH);
+ node = node->Next();
+ }
+}
+
+void wxShape::SetShadowMode(int mode, bool redraw)
+{
+ if (redraw && GetCanvas())
+ {
+ wxClientDC dc(GetCanvas());
+ GetCanvas()->PrepareDC(dc);
+ Erase(dc);
+
+ m_shadowMode = mode;
+
+ Draw(dc);
+ }
+ else
+ {
+ m_shadowMode = mode;
+ }
+}
+
+void wxShape::SetCanvas(wxShapeCanvas *theCanvas)
+{
+ m_canvas = theCanvas;
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->SetCanvas(theCanvas);
+ node = node->Next();
+ }
+}
+
+void wxShape::AddToCanvas(wxShapeCanvas *theCanvas, wxShape *addAfter)
+{
+ theCanvas->AddShape(this, addAfter);
+ wxNode *node = m_children.First();
+ wxShape *lastImage = this;
+ while (node)
+ {
+ wxShape *object = (wxShape *)node->Data();
+ object->AddToCanvas(theCanvas, lastImage);
+ lastImage = object;
+
+ node = node->Next();
+ }
+}
+
+// Insert at front of canvas
+void wxShape::InsertInCanvas(wxShapeCanvas *theCanvas)
+{
+ theCanvas->InsertShape(this);
+ wxNode *node = m_children.First();
+ wxShape *lastImage = this;
+ while (node)
+ {
+ wxShape *object = (wxShape *)node->Data();
+ object->AddToCanvas(theCanvas, lastImage);
+ lastImage = object;
+
+ node = node->Next();
+ }
+}
+
+void wxShape::RemoveFromCanvas(wxShapeCanvas *theCanvas)
+{
+ if (Selected())
+ Select(FALSE);
+ theCanvas->RemoveShape(this);
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *object = (wxShape *)node->Data();
+ object->RemoveFromCanvas(theCanvas);
+
+ node = node->Next();
+ }
+}
+
+void wxShape::ClearAttachments()
+{
+ wxNode *node = m_attachmentPoints.First();
+ while (node)
+ {
+ wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
+ delete point;
+ node = node->Next();
+ }
+ m_attachmentPoints.Clear();
+}
+
+void wxShape::ClearText(int regionId)
+{
+ if (regionId == 0)
+ {
+ m_text.DeleteContents(TRUE);
+ m_text.Clear();
+ m_text.DeleteContents(FALSE);
+ }
+ wxNode *node = m_regions.Nth(regionId);
+ if (!node)
+ return;
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ region->ClearText();
+}
+
+void wxShape::ClearRegions()
+{
+ wxNode *node = m_regions.First();
+ while (node)
+ {
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ wxNode *next = node->Next();
+ delete region;
+ delete node;
+ node = next;
+ }
+}
+
+void wxShape::AddRegion(wxShapeRegion *region)
+{
+ m_regions.Append(region);
+}
+
+void wxShape::SetDefaultRegionSize()
+{
+ wxNode *node = m_regions.First();
+ if (!node) return;
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ double w, h;
+ GetBoundingBoxMin(&w, &h);
+ region->SetSize(w, h);
+}
+
+bool wxShape::HitTest(double x, double y, int *attachment, double *distance)
+{
+// if (!sensitive)
+// return FALSE;
+
+ double width = 0.0, height = 0.0;
+ GetBoundingBoxMin(&width, &height);
+ if (fabs(width) < 4.0) width = 4.0;
+ if (fabs(height) < 4.0) height = 4.0;
+
+ width += (double)4.0; height += (double)4.0; // Allowance for inaccurate mousing
+
+ double left = (double)(m_xpos - (width/2.0));
+ double top = (double)(m_ypos - (height/2.0));
+ double right = (double)(m_xpos + (width/2.0));
+ double bottom = (double)(m_ypos + (height/2.0));
+
+ int nearest_attachment = 0;
+
+ // If within the bounding box, check the attachment points
+ // within the object.
+
+ if (x >= left && x <= right && y >= top && y <= bottom)
+ {
+ int n = GetNumberOfAttachments();
+ double nearest = 999999.0;
+
+ // GetAttachmentPosition[Edge] takes a logical attachment position,
+ // i.e. if it's rotated through 90%, position 0 is East-facing.
+
+ for (int i = 0; i < n; i++)
+ {
+ double xp, yp;
+ if (GetAttachmentPositionEdge(i, &xp, &yp))
+ {
+ double l = (double)sqrt(((xp - x) * (xp - x)) +
+ ((yp - y) * (yp - y)));
+
+ if (l < nearest)
+ {
+ nearest = l;
+ nearest_attachment = i;
+ }
+ }
+ }
+ *attachment = nearest_attachment;
+ *distance = nearest;
+ return TRUE;
+ }
+ else return FALSE;
+}
+
+// Format a text string according to the region size, adding
+// strings with positions to region text list
+
+static bool GraphicsInSizeToContents = FALSE; // Infinite recursion elimination
+void wxShape::FormatText(wxDC& dc, const wxString& s, int i)
+{
+ double w, h;
+ ClearText(i);
+
+ if (m_regions.Number() < 1)
+ return;
+ wxNode *node = m_regions.Nth(i);
+ if (!node)
+ return;
+
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ region->SetText(s);
+ dc.SetFont(* region->GetFont());
+
+ region->GetSize(&w, &h);
+
+ wxStringList *stringList = oglFormatText(dc, s, (w-5), (h-5), region->GetFormatMode());
+ node = stringList->First();
+ while (node)
+ {
+ char *s = (char *)node->Data();
+ wxShapeTextLine *line = new wxShapeTextLine(0.0, 0.0, s);
+ region->GetFormattedText().Append((wxObject *)line);
+ node = node->Next();
+ }
+ delete stringList;
+ double actualW = w;
+ double actualH = h;
+ // Don't try to resize an object with more than one image (this case should be dealt
+ // with by overriden handlers)
+ if ((region->GetFormatMode() & FORMAT_SIZE_TO_CONTENTS) &&
+ (region->GetFormattedText().Number() > 0) &&
+ (m_regions.Number() == 1) && !GraphicsInSizeToContents)
+ {
+ oglGetCentredTextExtent(dc, &(region->GetFormattedText()), m_xpos, m_ypos, w, h, &actualW, &actualH);
+ if ((actualW+m_textMarginX != w ) || (actualH+m_textMarginY != h))
+ {
+ // If we are a descendant of a composite, must make sure the composite gets
+ // resized properly
+ wxShape *topAncestor = GetTopAncestor();
+
+ if (topAncestor != this)
+ {
+ // Make sure we don't recurse infinitely
+ GraphicsInSizeToContents = TRUE;
+
+ wxCompositeShape *composite = (wxCompositeShape *)topAncestor;
+ composite->Erase(dc);
+ SetSize(actualW+m_textMarginX, actualH+m_textMarginY);
+ Move(dc, m_xpos, m_ypos);
+ composite->CalculateSize();
+ if (composite->Selected())
+ {
+ composite->DeleteControlPoints(& dc);
+ composite->MakeControlPoints();
+ composite->MakeMandatoryControlPoints();
+ }
+ // Where infinite recursion might happen if we didn't stop it
+ composite->Draw(dc);
+
+ GraphicsInSizeToContents = FALSE;
+ }
+ else
+ {
+ Erase(dc);
+ SetSize(actualW+m_textMarginX, actualH+m_textMarginY);
+ Move(dc, m_xpos, m_ypos);
+ }
+ SetSize(actualW+m_textMarginX, actualH+m_textMarginY);
+ Move(dc, m_xpos, m_ypos);
+ EraseContents(dc);
+ }
+ }
+ oglCentreText(dc, &(region->GetFormattedText()), m_xpos, m_ypos, actualW, actualH, region->GetFormatMode());
+ m_formatted = TRUE;
+}
+
+void wxShape::Recentre(wxDC& dc)
+{
+ double w, h;
+ GetBoundingBoxMin(&w, &h);
+
+ int noRegions = m_regions.Number();
+ for (int i = 0; i < noRegions; i++)
+ {
+ wxNode *node = m_regions.Nth(i);
+ if (node)
+ {
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ oglCentreText(dc, &(region->GetFormattedText()), m_xpos, m_ypos, w, h, region->GetFormatMode());
+ }
+ }
+}
+
+bool wxShape::GetPerimeterPoint(double x1, double y1,
+ double x2, double y2,
+ double *x3, double *y3)
+{
+ return FALSE;
+}
+
+void wxShape::SetPen(wxPen *the_pen)
+{
+ m_pen = the_pen;
+}
+
+void wxShape::SetBrush(wxBrush *the_brush)
+{
+ m_brush = the_brush;
+}
+
+// Get the top-most (non-division) ancestor, or self
+wxShape *wxShape::GetTopAncestor()
+{
+ if (!GetParent())
+ return this;
+
+ if (GetParent()->IsKindOf(CLASSINFO(wxDivisionShape)))
+ return this;
+ else return GetParent()->GetTopAncestor();
+}
+
+/*
+ * Region functions
+ *
+ */
+void wxShape::SetFont(wxFont *the_font, int regionId)
+{
+ m_font = the_font;
+ wxNode *node = m_regions.Nth(regionId);
+ if (!node)
+ return;
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ region->SetFont(the_font);
+}
+
+wxFont *wxShape::GetFont(int n) const
+{
+ wxNode *node = m_regions.Nth(n);
+ if (!node)
+ return NULL;
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ return region->GetFont();
+}
+
+void wxShape::SetFormatMode(int mode, int regionId)
+{
+ wxNode *node = m_regions.Nth(regionId);
+ if (!node)
+ return;
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ region->SetFormatMode(mode);
+}
+
+int wxShape::GetFormatMode(int regionId) const
+{
+ wxNode *node = m_regions.Nth(regionId);
+ if (!node)
+ return 0;
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ return region->GetFormatMode();
+}
+
+void wxShape::SetTextColour(const wxString& the_colour, int regionId)
+{
+ wxColour *wxcolour = wxTheColourDatabase->FindColour(the_colour);
+ m_textColour = wxcolour;
+ m_textColourName = the_colour;
+
+ wxNode *node = m_regions.Nth(regionId);
+ if (!node)
+ return;
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ region->SetColour(the_colour);
+}
+
+wxString wxShape::GetTextColour(int regionId) const
+{
+ wxNode *node = m_regions.Nth(regionId);
+ if (!node)
+ return wxString("");
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ return region->GetColour();
+}
+
+void wxShape::SetRegionName(const wxString& name, int regionId)
+{
+ wxNode *node = m_regions.Nth(regionId);
+ if (!node)
+ return;
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ region->SetName(name);
+}
+
+wxString wxShape::GetRegionName(int regionId)
+{
+ wxNode *node = m_regions.Nth(regionId);
+ if (!node)
+ return wxString("");
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ return region->GetName();
+}
+
+int wxShape::GetRegionId(const wxString& name)
+{
+ wxNode *node = m_regions.First();
+ int i = 0;
+ while (node)
+ {
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ if (region->GetName() == name)
+ return i;
+ node = node->Next();
+ i ++;
+ }
+ return -1;
+}
+
+// Name all m_regions in all subimages recursively.
+void wxShape::NameRegions(const wxString& parentName)
+{
+ int n = GetNumberOfTextRegions();
+ char buf[100];
+ for (int i = 0; i < n; i++)
+ {
+ if (parentName.Length() > 0)
+ sprintf(buf, "%s.%d", (const char*) parentName, i);
+ else
+ sprintf(buf, "%d", i);
+ SetRegionName(buf, i);
+ }
+ wxNode *node = m_children.First();
+ int j = 0;
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ if (parentName.Length() > 0)
+ sprintf(buf, "%s.%d", (const char*) parentName, j);
+ else
+ sprintf(buf, "%d", j);
+ child->NameRegions(buf);
+ node = node->Next();
+ j ++;
+ }
+}
+
+// Get a region by name, possibly looking recursively into composites.
+wxShape *wxShape::FindRegion(const wxString& name, int *regionId)
+{
+ int id = GetRegionId(name);
+ if (id > -1)
+ {
+ *regionId = id;
+ return this;
+ }
+
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ wxShape *actualImage = child->FindRegion(name, regionId);
+ if (actualImage)
+ return actualImage;
+ node = node->Next();
+ }
+ return NULL;
+}
+
+// Finds all region names for this image (composite or simple).
+// Supply empty string list.
+void wxShape::FindRegionNames(wxStringList& list)
+{
+ int n = GetNumberOfTextRegions();
+ for (int i = 0; i < n; i++)
+ {
+ wxString name(GetRegionName(i));
+ list.Add((const char*) name);
+ }
+
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->FindRegionNames(list);
+ node = node->Next();
+ }
+}
+
+void wxShape::AssignNewIds()
+{
+// if (m_id == 0)
+ m_id = wxNewId();
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->AssignNewIds();
+ node = node->Next();
+ }
+}
+
+void wxShape::OnDraw(wxDC& dc)
+{
+}
+
+void wxShape::OnMoveLinks(wxDC& dc)
+{
+ // Want to set the ends of all attached links
+ // to point to/from this object
+
+ wxNode *current = m_lines.First();
+ while (current)
+ {
+ wxLineShape *line = (wxLineShape *)current->Data();
+ line->GetEventHandler()->OnMoveLink(dc);
+ current = current->Next();
+ }
+}
+
+
+void wxShape::OnDrawContents(wxDC& dc)
+{
+ double bound_x, bound_y;
+ GetBoundingBoxMin(&bound_x, &bound_y);
+ if (m_regions.Number() < 1) return;
+
+ if (m_pen) dc.SetPen(* m_pen);
+
+ wxShapeRegion *region = (wxShapeRegion *)m_regions.First()->Data();
+ if (region->GetFont()) dc.SetFont(* region->GetFont());
+
+ dc.SetTextForeground(* (region->GetActualColourObject()));
+ dc.SetBackgroundMode(wxTRANSPARENT);
+ if (!m_formatted)
+ {
+ oglCentreText(dc, &(region->GetFormattedText()), m_xpos, m_ypos, bound_x, bound_y, region->GetFormatMode());
+ m_formatted = TRUE;
+ }
+ if (!GetDisableLabel())
+ {
+ oglDrawFormattedText(dc, &(region->GetFormattedText()), m_xpos, m_ypos, bound_x, bound_y, region->GetFormatMode());
+ }
+}
+
+void wxShape::DrawContents(wxDC& dc)
+{
+ GetEventHandler()->OnDrawContents(dc);
+}
+
+void wxShape::OnSize(double x, double y)
+{
+}
+
+bool wxShape::OnMovePre(wxDC& dc, double x, double y, double old_x, double old_y, bool display)
+{
+ return TRUE;
+}
+
+void wxShape::OnMovePost(wxDC& dc, double x, double y, double old_x, double old_y, bool display)
+{
+}
+
+void wxShape::OnErase(wxDC& dc)
+{
+ if (!m_visible)
+ return;
+
+ // Erase links
+ wxNode *current = m_lines.First();
+ while (current)
+ {
+ wxLineShape *line = (wxLineShape *)current->Data();
+ line->GetEventHandler()->OnErase(dc);
+ current = current->Next();
+ }
+ GetEventHandler()->OnEraseContents(dc);
+}
+
+void wxShape::OnEraseContents(wxDC& dc)
+{
+ if (!m_visible)
+ return;
+
+ double maxX, maxY, minX, minY;
+ double xp = GetX();
+ double yp = GetY();
+ GetBoundingBoxMin(&minX, &minY);
+ GetBoundingBoxMax(&maxX, &maxY);
+ double topLeftX = (double)(xp - (maxX / 2.0) - 2.0);
+ double topLeftY = (double)(yp - (maxY / 2.0) - 2.0);
+
+ int penWidth = 0;
+ if (m_pen)
+ penWidth = m_pen->GetWidth();
+
+ dc.SetPen(* g_oglWhiteBackgroundPen);
+ dc.SetBrush(* g_oglWhiteBackgroundBrush);
+ dc.DrawRectangle(WXROUND(topLeftX - penWidth), WXROUND(topLeftY - penWidth),
+ WXROUND(maxX + penWidth*2.0 + 4.0), WXROUND(maxY + penWidth*2.0 + 4.0));
+}
+
+void wxShape::EraseLinks(wxDC& dc, int attachment, bool recurse)
+{
+ if (!m_visible)
+ return;
+
+ wxNode *current = m_lines.First();
+ while (current)
+ {
+ wxLineShape *line = (wxLineShape *)current->Data();
+ if (attachment == -1 || ((line->GetTo() == this && line->GetAttachmentTo() == attachment) ||
+ (line->GetFrom() == this && line->GetAttachmentFrom() == attachment)))
+ line->GetEventHandler()->OnErase(dc);
+ current = current->Next();
+ }
+ if (recurse)
+ {
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->EraseLinks(dc, attachment, recurse);
+ node = node->Next();
+ }
+ }
+}
+
+void wxShape::DrawLinks(wxDC& dc, int attachment, bool recurse)
+{
+ if (!m_visible)
+ return;
+
+ wxNode *current = m_lines.First();
+ while (current)
+ {
+ wxLineShape *line = (wxLineShape *)current->Data();
+ if (attachment == -1 ||
+ (line->GetTo() == this && line->GetAttachmentTo() == attachment) ||
+ (line->GetFrom() == this && line->GetAttachmentFrom() == attachment))
+ line->Draw(dc);
+ current = current->Next();
+ }
+ if (recurse)
+ {
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->DrawLinks(dc, attachment, recurse);
+ node = node->Next();
+ }
+ }
+}
+
+// Returns TRUE if pt1 <= pt2 in the sense that one point comes before another on an
+// edge of the shape.
+// attachmentPoint is the attachment point (= side) in question.
+
+// This is the default, rectangular implementation.
+bool wxShape::AttachmentSortTest(int attachmentPoint, const wxRealPoint& pt1, const wxRealPoint& pt2)
+{
+ int physicalAttachment = LogicalToPhysicalAttachment(attachmentPoint);
+ switch (physicalAttachment)
+ {
+ case 0:
+ case 2:
+ {
+ return (pt1.x <= pt2.x) ;
+ break;
+ }
+ case 1:
+ case 3:
+ {
+ return (pt1.y <= pt2.y) ;
+ break;
+ }
+ }
+
+ return FALSE;
+}
+
+bool wxShape::MoveLineToNewAttachment(wxDC& dc, wxLineShape *to_move,
+ double x, double y)
+{
+ if (GetAttachmentMode() == ATTACHMENT_MODE_NONE)
+ return FALSE;
+
+ int newAttachment, oldAttachment;
+ double distance;
+
+ // Is (x, y) on this object? If so, find the new attachment point
+ // the user has moved the point to
+ bool hit = HitTest(x, y, &newAttachment, &distance);
+ if (!hit)
+ return FALSE;
+
+ EraseLinks(dc);
+
+ if (to_move->GetTo() == this)
+ oldAttachment = to_move->GetAttachmentTo();
+ else
+ oldAttachment = to_move->GetAttachmentFrom();
+
+ // The links in a new ordering.
+ wxList newOrdering;
+
+ // First, add all links to the new list.
+ wxNode *node = m_lines.First();
+ while (node)
+ {
+ newOrdering.Append(node->Data());
+ node = node->Next();
+ }
+
+ // Delete the line object from the list of links; we're going to move
+ // it to another position in the list
+ newOrdering.DeleteObject(to_move);
+
+ double old_x = (double) -99999.9;
+ double old_y = (double) -99999.9;
+
+ node = newOrdering.First();
+ bool found = FALSE;
+
+ while (!found && node)
+ {
+ wxLineShape *line = (wxLineShape *)node->Data();
+ if ((line->GetTo() == this && oldAttachment == line->GetAttachmentTo()) ||
+ (line->GetFrom() == this && oldAttachment == line->GetAttachmentFrom()))
+ {
+ double startX, startY, endX, endY;
+ double xp, yp;
+ line->GetEnds(&startX, &startY, &endX, &endY);
+ if (line->GetTo() == this)
+ {
+ xp = endX;
+ yp = endY;
+ } else
+ {
+ xp = startX;
+ yp = startY;
+ }
+
+ wxRealPoint thisPoint(xp, yp);
+ wxRealPoint lastPoint(old_x, old_y);
+ wxRealPoint newPoint(x, y);
+
+ if (AttachmentSortTest(newAttachment, newPoint, thisPoint) && AttachmentSortTest(newAttachment, lastPoint, newPoint))
+ {
+ found = TRUE;
+ newOrdering.Insert(node, to_move);
+ }
+
+ old_x = xp;
+ old_y = yp;
+ }
+ node = node->Next();
+ }
+
+ if (!found)
+ newOrdering.Append(to_move);
+
+ GetEventHandler()->OnChangeAttachment(newAttachment, to_move, newOrdering);
+
+ return TRUE;
+}
+
+void wxShape::OnChangeAttachment(int attachment, wxLineShape* line, wxList& ordering)
+{
+ if (line->GetTo() == this)
+ line->SetAttachmentTo(attachment);
+ else
+ line->SetAttachmentFrom(attachment);
+
+ ApplyAttachmentOrdering(ordering);
+
+ wxClientDC dc(GetCanvas());
+ GetCanvas()->PrepareDC(dc);
+
+ MoveLinks(dc);
+
+ if (!GetCanvas()->GetQuickEditMode()) GetCanvas()->Redraw(dc);
+}
+
+// Reorders the lines according to the given list.
+void wxShape::ApplyAttachmentOrdering(wxList& linesToSort)
+{
+ // This is a temporary store of all the lines.
+ wxList linesStore;
+
+ wxNode *node = m_lines.First();
+ while (node)
+ {
+ wxLineShape *line = (wxLineShape *)node->Data();
+ linesStore.Append(line);
+ node = node->Next();;
+ }
+
+ m_lines.Clear();
+
+ node = linesToSort.First();
+ while (node)
+ {
+ wxLineShape *line = (wxLineShape *)node->Data();
+ if (linesStore.Member(line))
+ {
+ // Done this one
+ linesStore.DeleteObject(line);
+ m_lines.Append(line);
+ }
+ node = node->Next();
+ }
+
+ // Now add any lines that haven't been listed in linesToSort.
+ node = linesStore.First();
+ while (node)
+ {
+ wxLineShape *line = (wxLineShape *)node->Data();
+ m_lines.Append(line);
+ node = node->Next();
+ }
+}
+
+// Reorders the lines coming into the node image at this attachment
+// position, in the order in which they appear in linesToSort.
+// Any remaining lines not in the list will be added to the end.
+void wxShape::SortLines(int attachment, wxList& linesToSort)
+{
+ // This is a temporary store of all the lines at this attachment
+ // point. We'll tick them off as we've processed them.
+ wxList linesAtThisAttachment;
+
+ wxNode *node = m_lines.First();
+ while (node)
+ {
+ wxLineShape *line = (wxLineShape *)node->Data();
+ wxNode *next = node->Next();
+ if ((line->GetTo() == this && line->GetAttachmentTo() == attachment) ||
+ (line->GetFrom() == this && line->GetAttachmentFrom() == attachment))
+ {
+ linesAtThisAttachment.Append(line);
+ delete node;
+ node = next;
+ }
+ else node = node->Next();
+ }
+
+ node = linesToSort.First();
+ while (node)
+ {
+ wxLineShape *line = (wxLineShape *)node->Data();
+ if (linesAtThisAttachment.Member(line))
+ {
+ // Done this one
+ linesAtThisAttachment.DeleteObject(line);
+ m_lines.Append(line);
+ }
+ node = node->Next();
+ }
+
+ // Now add any lines that haven't been listed in linesToSort.
+ node = linesAtThisAttachment.First();
+ while (node)
+ {
+ wxLineShape *line = (wxLineShape *)node->Data();
+ m_lines.Append(line);
+ node = node->Next();
+ }
+}
+
+void wxShape::OnHighlight(wxDC& dc)
+{
+}
+
+void wxShape::OnLeftClick(double x, double y, int keys, int attachment)
+{
+ if ((m_sensitivity & OP_CLICK_LEFT) != OP_CLICK_LEFT)
+ {
+ attachment = 0;
+ double dist;
+ if (m_parent)
+ {
+ m_parent->HitTest(x, y, &attachment, &dist);
+ m_parent->GetEventHandler()->OnLeftClick(x, y, keys, attachment);
+ }
+ return;
+ }
+}
+
+void wxShape::OnRightClick(double x, double y, int keys, int attachment)
+{
+ if ((m_sensitivity & OP_CLICK_RIGHT) != OP_CLICK_RIGHT)
+ {
+ attachment = 0;
+ double dist;
+ if (m_parent)
+ {
+ m_parent->HitTest(x, y, &attachment, &dist);
+ m_parent->GetEventHandler()->OnRightClick(x, y, keys, attachment);
+ }
+ return;
+ }
+}
+
+double DragOffsetX = 0.0;
+double DragOffsetY = 0.0;
+
+void wxShape::OnDragLeft(bool draw, double x, double y, int keys, int attachment)
+{
+ if ((m_sensitivity & OP_DRAG_LEFT) != OP_DRAG_LEFT)
+ {
+ attachment = 0;
+ double dist;
+ if (m_parent)
+ {
+ m_parent->HitTest(x, y, &attachment, &dist);
+ m_parent->GetEventHandler()->OnDragLeft(draw, x, y, keys, attachment);
+ }
+ return;
+ }
+
+ wxClientDC dc(GetCanvas());
+ GetCanvas()->PrepareDC(dc);
+
+ dc.SetLogicalFunction(OGLRBLF);
+
+ wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
+ dc.SetPen(dottedPen);
+ dc.SetBrush(* wxTRANSPARENT_BRUSH);
+
+ double xx, yy;
+ xx = x + DragOffsetX;
+ yy = y + DragOffsetY;
+
+ m_canvas->Snap(&xx, &yy);
+// m_xpos = xx; m_ypos = yy;
+ double w, h;
+ GetBoundingBoxMax(&w, &h);
+ GetEventHandler()->OnDrawOutline(dc, xx, yy, w, h);
+}
+
+void wxShape::OnBeginDragLeft(double x, double y, int keys, int attachment)
+{
+ if ((m_sensitivity & OP_DRAG_LEFT) != OP_DRAG_LEFT)
+ {
+ attachment = 0;
+ double dist;
+ if (m_parent)
+ {
+ m_parent->HitTest(x, y, &attachment, &dist);
+ m_parent->GetEventHandler()->OnBeginDragLeft(x, y, keys, attachment);
+ }
+ return;
+ }
+
+ DragOffsetX = m_xpos - x;
+ DragOffsetY = m_ypos - y;
+
+ wxClientDC dc(GetCanvas());
+ GetCanvas()->PrepareDC(dc);
+
+ // New policy: don't erase shape until end of drag.
+// Erase(dc);
+
+ double xx, yy;
+ xx = x + DragOffsetX;
+ yy = y + DragOffsetY;
+ m_canvas->Snap(&xx, &yy);
+// m_xpos = xx; m_ypos = yy;
+ dc.SetLogicalFunction(OGLRBLF);
+
+ wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
+ dc.SetPen(dottedPen);
+ dc.SetBrush((* wxTRANSPARENT_BRUSH));
+
+ double w, h;
+ GetBoundingBoxMax(&w, &h);
+ GetEventHandler()->OnDrawOutline(dc, xx, yy, w, h);
+ m_canvas->CaptureMouse();
+}
+
+void wxShape::OnEndDragLeft(double x, double y, int keys, int attachment)
+{
+ m_canvas->ReleaseMouse();
+ if ((m_sensitivity & OP_DRAG_LEFT) != OP_DRAG_LEFT)
+ {
+ attachment = 0;
+ double dist;
+ if (m_parent)
+ {
+ m_parent->HitTest(x, y, &attachment, &dist);
+ m_parent->GetEventHandler()->OnEndDragLeft(x, y, keys, attachment);
+ }
+ return;
+ }
+
+ wxClientDC dc(GetCanvas());
+ GetCanvas()->PrepareDC(dc);
+
+ dc.SetLogicalFunction(wxCOPY);
+
+ double xx = x + DragOffsetX;
+ double yy = y + DragOffsetY;
+ m_canvas->Snap(&xx, &yy);
+// canvas->Snap(&m_xpos, &m_ypos);
+
+ // New policy: erase shape at end of drag.
+ Erase(dc);
+
+ Move(dc, xx, yy);
+ if (m_canvas && !m_canvas->GetQuickEditMode()) m_canvas->Redraw(dc);
+}
+
+void wxShape::OnDragRight(bool draw, double x, double y, int keys, int attachment)
+{
+ if ((m_sensitivity & OP_DRAG_RIGHT) != OP_DRAG_RIGHT)
+ {
+ attachment = 0;
+ double dist;
+ if (m_parent)
+ {
+ m_parent->HitTest(x, y, &attachment, &dist);
+ m_parent->GetEventHandler()->OnDragRight(draw, x, y, keys, attachment);
+ }
+ return;
+ }
+}
+
+void wxShape::OnBeginDragRight(double x, double y, int keys, int attachment)
+{
+ if ((m_sensitivity & OP_DRAG_RIGHT) != OP_DRAG_RIGHT)
+ {
+ attachment = 0;
+ double dist;
+ if (m_parent)
+ {
+ m_parent->HitTest(x, y, &attachment, &dist);
+ m_parent->GetEventHandler()->OnBeginDragRight(x, y, keys, attachment);
+ }
+ return;
+ }
+}
+
+void wxShape::OnEndDragRight(double x, double y, int keys, int attachment)
+{
+ if ((m_sensitivity & OP_DRAG_RIGHT) != OP_DRAG_RIGHT)
+ {
+ attachment = 0;
+ double dist;
+ if (m_parent)
+ {
+ m_parent->HitTest(x, y, &attachment, &dist);
+ m_parent->GetEventHandler()->OnEndDragRight(x, y, keys, attachment);
+ }
+ return;
+ }
+}
+
+void wxShape::OnDrawOutline(wxDC& dc, double x, double y, double w, double h)
+{
+ double top_left_x = (double)(x - w/2.0);
+ double top_left_y = (double)(y - h/2.0);
+ double top_right_x = (double)(top_left_x + w);
+ double top_right_y = (double)top_left_y;
+ double bottom_left_x = (double)top_left_x;
+ double bottom_left_y = (double)(top_left_y + h);
+ double bottom_right_x = (double)top_right_x;
+ double bottom_right_y = (double)bottom_left_y;
+
+ wxPoint points[5];
+ points[0].x = WXROUND(top_left_x); points[0].y = WXROUND(top_left_y);
+ points[1].x = WXROUND(top_right_x); points[1].y = WXROUND(top_right_y);
+ points[2].x = WXROUND(bottom_right_x); points[2].y = WXROUND(bottom_right_y);
+ points[3].x = WXROUND(bottom_left_x); points[3].y = WXROUND(bottom_left_y);
+ points[4].x = WXROUND(top_left_x); points[4].y = WXROUND(top_left_y);
+
+ dc.DrawLines(5, points);
+}
+
+void wxShape::Attach(wxShapeCanvas *can)
+{
+ m_canvas = can;
+}
+
+void wxShape::Detach()
+{
+ m_canvas = NULL;
+}
+
+void wxShape::Move(wxDC& dc, double x, double y, bool display)
+{
+ double old_x = m_xpos;
+ double old_y = m_ypos;
+
+ if (!GetEventHandler()->OnMovePre(dc, x, y, old_x, old_y, display))
+ {
+// m_xpos = old_x;
+// m_ypos = old_y;
+ return;
+ }
+
+ m_xpos = x; m_ypos = y;
+
+ ResetControlPoints();
+
+ if (display)
+ Draw(dc);
+
+ MoveLinks(dc);
+
+ GetEventHandler()->OnMovePost(dc, x, y, old_x, old_y, display);
+}
+
+void wxShape::MoveLinks(wxDC& dc)
+{
+ GetEventHandler()->OnMoveLinks(dc);
+}
+
+
+void wxShape::Draw(wxDC& dc)
+{
+ if (m_visible)
+ {
+ GetEventHandler()->OnDraw(dc);
+ GetEventHandler()->OnDrawContents(dc);
+ GetEventHandler()->OnDrawControlPoints(dc);
+ GetEventHandler()->OnDrawBranches(dc);
+ }
+}
+
+void wxShape::Flash()
+{
+ if (GetCanvas())
+ {
+ wxClientDC dc(GetCanvas());
+ GetCanvas()->PrepareDC(dc);
+
+ dc.SetLogicalFunction(OGLRBLF);
+ Draw(dc);
+ dc.SetLogicalFunction(wxCOPY);
+ Draw(dc);
+ }
+}
+
+void wxShape::Show(bool show)
+{
+ m_visible = show;
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *image = (wxShape *)node->Data();
+ image->Show(show);
+ node = node->Next();
+ }
+}
+
+void wxShape::Erase(wxDC& dc)
+{
+ GetEventHandler()->OnErase(dc);
+ GetEventHandler()->OnEraseControlPoints(dc);
+ GetEventHandler()->OnDrawBranches(dc, TRUE);
+}
+
+void wxShape::EraseContents(wxDC& dc)
+{
+ GetEventHandler()->OnEraseContents(dc);
+}
+
+void wxShape::AddText(const wxString& string)
+{
+ wxNode *node = m_regions.First();
+ if (!node)
+ return;
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ region->ClearText();
+ wxShapeTextLine *new_line =
+ new wxShapeTextLine(0.0, 0.0, string);
+ region->GetFormattedText().Append(new_line);
+
+ m_formatted = FALSE;
+}
+
+void wxShape::SetSize(double x, double y, bool recursive)
+{
+ SetAttachmentSize(x, y);
+ SetDefaultRegionSize();
+}
+
+void wxShape::SetAttachmentSize(double w, double h)
+{
+ double scaleX;
+ double scaleY;
+ double width, height;
+ GetBoundingBoxMin(&width, &height);
+ if (width == 0.0)
+ scaleX = 1.0;
+ else scaleX = w/width;
+ if (height == 0.0)
+ scaleY = 1.0;
+ else scaleY = h/height;
+
+ wxNode *node = m_attachmentPoints.First();
+ while (node)
+ {
+ wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
+ point->m_x = (double)(point->m_x * scaleX);
+ point->m_y = (double)(point->m_y * scaleY);
+ node = node->Next();
+ }
+}
+
+// Add line FROM this object
+void wxShape::AddLine(wxLineShape *line, wxShape *other,
+ int attachFrom, int attachTo,
+ // The line ordering
+ int positionFrom, int positionTo)
+{
+ if (positionFrom == -1)
+ {
+ if (!m_lines.Member(line))
+ m_lines.Append(line);
+ }
+ else
+ {
+ // Don't preserve old ordering if we have new ordering instructions
+ m_lines.DeleteObject(line);
+ if (positionFrom < m_lines.Number())
+ {
+ wxNode* node = m_lines.Nth(positionFrom);
+ m_lines.Insert(node, line);
+ }
+ else
+ m_lines.Append(line);
+ }
+
+ if (positionTo == -1)
+ {
+ if (!other->m_lines.Member(line))
+ other->m_lines.Append(line);
+ }
+ else
+ {
+ // Don't preserve old ordering if we have new ordering instructions
+ other->m_lines.DeleteObject(line);
+ if (positionTo < other->m_lines.Number())
+ {
+ wxNode* node = other->m_lines.Nth(positionTo);
+ other->m_lines.Insert(node, line);
+ }
+ else
+ other->m_lines.Append(line);
+ }
+#if 0
+ // Wrong: doesn't preserve ordering of shape already linked
+ m_lines.DeleteObject(line);
+ other->m_lines.DeleteObject(line);
+
+ if (positionFrom == -1)
+ m_lines.Append(line);
+ else
+ {
+ if (positionFrom < m_lines.Number())
+ {
+ wxNode* node = m_lines.Nth(positionFrom);
+ m_lines.Insert(node, line);
+ }
+ else
+ m_lines.Append(line);
+ }
+
+ if (positionTo == -1)
+ other->m_lines.Append(line);
+ else
+ {
+ if (positionTo < other->m_lines.Number())
+ {
+ wxNode* node = other->m_lines.Nth(positionTo);
+ other->m_lines.Insert(node, line);
+ }
+ else
+ other->m_lines.Append(line);
+ }
+#endif
+
+ line->SetFrom(this);
+ line->SetTo(other);
+ line->SetAttachments(attachFrom, attachTo);
+}
+
+void wxShape::RemoveLine(wxLineShape *line)
+{
+ if (line->GetFrom() == this)
+ line->GetTo()->m_lines.DeleteObject(line);
+ else
+ line->GetFrom()->m_lines.DeleteObject(line);
+
+ m_lines.DeleteObject(line);
+}
+
+#ifdef PROLOGIO
+void wxShape::WriteAttributes(wxExpr *clause)
+{
+ clause->AddAttributeValueString("type", GetClassInfo()->GetClassName());
+ clause->AddAttributeValue("id", m_id);
+
+ if (m_pen)
+ {
+ int penWidth = m_pen->GetWidth();
+ int penStyle = m_pen->GetStyle();
+ if (penWidth != 1)
+ clause->AddAttributeValue("pen_width", (long)penWidth);
+ if (penStyle != wxSOLID)
+ clause->AddAttributeValue("pen_style", (long)penStyle);
+
+ wxString penColour = wxTheColourDatabase->FindName(m_pen->GetColour());
+ if (penColour == "")
+ {
+ wxString hex(oglColourToHex(m_pen->GetColour()));
+ hex = wxString("#") + hex;
+ clause->AddAttributeValueString("pen_colour", hex);
+ }
+ else if (penColour != "BLACK")
+ clause->AddAttributeValueString("pen_colour", penColour);
+ }
+
+ if (m_brush)
+ {
+ wxString brushColour = wxTheColourDatabase->FindName(m_brush->GetColour());
+
+ if (brushColour == "")
+ {
+ wxString hex(oglColourToHex(m_brush->GetColour()));
+ hex = wxString("#") + hex;
+ clause->AddAttributeValueString("brush_colour", hex);
+ }
+ else if (brushColour != "WHITE")
+ clause->AddAttributeValueString("brush_colour", brushColour);
+
+ if (m_brush->GetStyle() != wxSOLID)
+ clause->AddAttributeValue("brush_style", (long)m_brush->GetStyle());
+ }
+
+ // Output line ids
+
+ int n_lines = m_lines.Number();
+ if (n_lines > 0)
+ {
+ wxExpr *list = new wxExpr(wxExprList);
+ wxNode *node = m_lines.First();
+ while (node)
+ {
+ wxShape *line = (wxShape *)node->Data();
+ wxExpr *id_expr = new wxExpr(line->GetId());
+ list->Append(id_expr);
+ node = node->Next();
+ }
+ clause->AddAttributeValue("arcs", list);
+ }
+
+ // Miscellaneous members
+ if (m_attachmentMode != 0)
+ clause->AddAttributeValue("use_attachments", (long)m_attachmentMode);
+ if (m_sensitivity != OP_ALL)
+ clause->AddAttributeValue("sensitivity", (long)m_sensitivity);
+ if (!m_spaceAttachments)
+ clause->AddAttributeValue("space_attachments", (long)m_spaceAttachments);
+ if (m_fixedWidth)
+ clause->AddAttributeValue("fixed_width", (long)m_fixedWidth);
+ if (m_fixedHeight)
+ clause->AddAttributeValue("fixed_height", (long)m_fixedHeight);
+ if (m_shadowMode != SHADOW_NONE)
+ clause->AddAttributeValue("shadow_mode", (long)m_shadowMode);
+ if (m_centreResize != TRUE)
+ clause->AddAttributeValue("centre_resize", (long)0);
+ clause->AddAttributeValue("maintain_aspect_ratio", (long) m_maintainAspectRatio);
+ if (m_highlighted != FALSE)
+ clause->AddAttributeValue("hilite", (long)m_highlighted);
+
+ if (m_parent) // For composite objects
+ clause->AddAttributeValue("parent", (long)m_parent->GetId());
+
+ if (m_rotation != 0.0)
+ clause->AddAttributeValue("rotation", m_rotation);
+
+ if (!this->IsKindOf(CLASSINFO(wxLineShape)))
+ {
+ clause->AddAttributeValue("neck_length", (long) m_branchNeckLength);
+ clause->AddAttributeValue("stem_length", (long) m_branchStemLength);
+ clause->AddAttributeValue("branch_spacing", (long) m_branchSpacing);
+ clause->AddAttributeValue("branch_style", (long) m_branchStyle);
+ }
+
+ // Write user-defined attachment points, if any
+ if (m_attachmentPoints.Number() > 0)
+ {
+ wxExpr *attachmentList = new wxExpr(wxExprList);
+ wxNode *node = m_attachmentPoints.First();
+ while (node)
+ {
+ wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
+ wxExpr *pointExpr = new wxExpr(wxExprList);
+ pointExpr->Append(new wxExpr((long)point->m_id));
+ pointExpr->Append(new wxExpr(point->m_x));
+ pointExpr->Append(new wxExpr(point->m_y));
+ attachmentList->Append(pointExpr);
+ node = node->Next();
+ }
+ clause->AddAttributeValue("user_attachments", attachmentList);
+ }
+
+ // Write text regions
+ WriteRegions(clause);
+}
+
+void wxShape::WriteRegions(wxExpr *clause)
+{
+ // Output regions as region1 = (...), region2 = (...), etc
+ // and formatted text as text1 = (...), text2 = (...) etc.
+ int regionNo = 1;
+ char regionNameBuf[20];
+ char textNameBuf[20];
+ wxNode *node = m_regions.First();
+ while (node)
+ {
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ sprintf(regionNameBuf, "region%d", regionNo);
+ sprintf(textNameBuf, "text%d", regionNo);
+
+ // Original text and region attributes:
+ // region1 = (regionName regionText x y width height minWidth minHeight proportionX proportionY
+ // formatMode fontSize fontFamily fontStyle fontWeight textColour)
+ wxExpr *regionExpr = new wxExpr(wxExprList);
+ regionExpr->Append(new wxExpr(wxExprString, region->m_regionName));
+ regionExpr->Append(new wxExpr(wxExprString, region->m_regionText));
+
+ regionExpr->Append(new wxExpr(region->m_x));
+ regionExpr->Append(new wxExpr(region->m_y));
+ regionExpr->Append(new wxExpr(region->GetWidth()));
+ regionExpr->Append(new wxExpr(region->GetHeight()));
+
+ regionExpr->Append(new wxExpr(region->m_minWidth));
+ regionExpr->Append(new wxExpr(region->m_minHeight));
+ regionExpr->Append(new wxExpr(region->m_regionProportionX));
+ regionExpr->Append(new wxExpr(region->m_regionProportionY));
+
+ regionExpr->Append(new wxExpr((long)region->m_formatMode));
+
+ regionExpr->Append(new wxExpr((long)(region->m_font ? region->m_font->GetPointSize() : 10)));
+ regionExpr->Append(new wxExpr((long)(region->m_font ? region->m_font->GetFamily() : wxDEFAULT)));
+ regionExpr->Append(new wxExpr((long)(region->m_font ? region->m_font->GetStyle() : wxDEFAULT)));
+ regionExpr->Append(new wxExpr((long)(region->m_font ? region->m_font->GetWeight() : wxNORMAL)));
+ regionExpr->Append(new wxExpr(wxExprString, region->m_textColour));
+
+ // New members for pen colour/style
+ regionExpr->Append(new wxExpr(wxExprString, region->m_penColour));
+ regionExpr->Append(new wxExpr((long)region->m_penStyle));
+
+ // Formatted text:
+ // text1 = ((x y string) (x y string) ...)
+ wxExpr *textExpr = new wxExpr(wxExprList);
+
+ wxNode *textNode = region->m_formattedText.First();
+ while (textNode)
+ {
+ wxShapeTextLine *line = (wxShapeTextLine *)textNode->Data();
+ wxExpr *list2 = new wxExpr(wxExprList);
+ list2->Append(new wxExpr(line->GetX()));
+ list2->Append(new wxExpr(line->GetY()));
+ list2->Append(new wxExpr(wxExprString, line->GetText()));
+ textExpr->Append(list2);
+ textNode = textNode->Next();
+ }
+
+ // Now add both attributes to the clause
+ clause->AddAttributeValue(regionNameBuf, regionExpr);
+ clause->AddAttributeValue(textNameBuf, textExpr);
+
+ node = node->Next();
+ regionNo ++;
+ }
+}
+
+void wxShape::ReadAttributes(wxExpr *clause)
+{
+ clause->GetAttributeValue("id", m_id);
+ wxRegisterId(m_id);
+
+ clause->GetAttributeValue("x", m_xpos);
+ clause->GetAttributeValue("y", m_ypos);
+
+ // Input text strings (FOR COMPATIBILITY WITH OLD FILES ONLY. SEE REGION CODE BELOW.)
+ ClearText();
+ wxExpr *strings = clause->AttributeValue("text");
+ if (strings && strings->Type() == wxExprList)
+ {
+ m_formatted = TRUE; // Assume text is formatted unless we prove otherwise
+ wxExpr *node = strings->value.first;
+ while (node)
+ {
+ wxExpr *string_expr = node;
+ double the_x = 0.0;
+ double the_y = 0.0;
+ wxString the_string("");
+
+ // string_expr can either be a string, or a list of
+ // 3 elements: x, y, and string.
+ if (string_expr->Type() == wxExprString)
+ {
+ the_string = string_expr->StringValue();
+ m_formatted = FALSE;
+ }
+ else if (string_expr->Type() == wxExprList)
+ {
+ wxExpr *first = string_expr->value.first;
+ wxExpr *second = first ? first->next : (wxExpr*) NULL;
+ wxExpr *third = second ? second->next : (wxExpr*) NULL;
+
+ if (first && second && third &&
+ (first->Type() == wxExprReal || first->Type() == wxExprInteger) &&
+ (second->Type() == wxExprReal || second->Type() == wxExprInteger) &&
+ third->Type() == wxExprString)
+ {
+ if (first->Type() == wxExprReal)
+ the_x = first->RealValue();
+ else the_x = (double)first->IntegerValue();
+
+ if (second->Type() == wxExprReal)
+ the_y = second->RealValue();
+ else the_y = (double)second->IntegerValue();
+
+ the_string = third->StringValue();
+ }
+ }
+ wxShapeTextLine *line =
+ new wxShapeTextLine(the_x, the_y, (char*) (const char*) the_string);
+ m_text.Append(line);
+
+ node = node->next;
+ }
+ }
+
+ wxString pen_string = "";
+ wxString brush_string = "";
+ int pen_width = 1;
+ int pen_style = wxSOLID;
+ int brush_style = wxSOLID;
+ m_attachmentMode = ATTACHMENT_MODE_NONE;
+
+ clause->GetAttributeValue("pen_colour", pen_string);
+ clause->GetAttributeValue("text_colour", m_textColourName);
+
+ SetTextColour(m_textColourName);
+
+ clause->GetAttributeValue("region_name", m_regionName);
+
+ clause->GetAttributeValue("brush_colour", brush_string);
+ clause->GetAttributeValue("pen_width", pen_width);
+ clause->GetAttributeValue("pen_style", pen_style);
+ clause->GetAttributeValue("brush_style", brush_style);
+
+ int iVal = (int) m_attachmentMode;
+ clause->GetAttributeValue("use_attachments", iVal);
+ m_attachmentMode = iVal;
+
+ clause->GetAttributeValue("sensitivity", m_sensitivity);
+
+ iVal = (int) m_spaceAttachments;
+ clause->GetAttributeValue("space_attachments", iVal);
+ m_spaceAttachments = (iVal != 0);
+
+ iVal = (int) m_fixedWidth;
+ clause->GetAttributeValue("fixed_width", iVal);
+ m_fixedWidth = (iVal != 0);
+
+ iVal = (int) m_fixedHeight;
+ clause->GetAttributeValue("fixed_height", iVal);
+ m_fixedHeight = (iVal != 0);
+
+ clause->GetAttributeValue("format_mode", m_formatMode);
+ clause->GetAttributeValue("shadow_mode", m_shadowMode);
+
+ iVal = m_branchNeckLength;
+ clause->GetAttributeValue("neck_length", iVal);
+ m_branchNeckLength = iVal;
+
+ iVal = m_branchStemLength;
+ clause->GetAttributeValue("stem_length", iVal);
+ m_branchStemLength = iVal;
+
+ iVal = m_branchSpacing;
+ clause->GetAttributeValue("branch_spacing", iVal);
+ m_branchSpacing = iVal;
+
+ clause->GetAttributeValue("branch_style", m_branchStyle);
+
+ iVal = (int) m_centreResize;
+ clause->GetAttributeValue("centre_resize", iVal);
+ m_centreResize = (iVal != 0);
+
+ iVal = (int) m_maintainAspectRatio;
+ clause->GetAttributeValue("maintain_aspect_ratio", iVal);
+ m_maintainAspectRatio = (iVal != 0);
+
+ iVal = (int) m_highlighted;
+ clause->GetAttributeValue("hilite", iVal);
+ m_highlighted = (iVal != 0);
+
+ clause->GetAttributeValue("rotation", m_rotation);
+
+ if (pen_string == "")
+ pen_string = "BLACK";
+ if (brush_string == "")
+ brush_string = "WHITE";
+
+ if (pen_string.GetChar(0) == '#')
+ {
+ wxColour col(oglHexToColour(pen_string.After('#')));
+ m_pen = wxThePenList->FindOrCreatePen(col, pen_width, pen_style);
+ }
+ else
+ m_pen = wxThePenList->FindOrCreatePen(pen_string, pen_width, pen_style);
+
+ if (!m_pen)
+ m_pen = wxBLACK_PEN;
+
+ if (brush_string.GetChar(0) == '#')
+ {
+ wxColour col(oglHexToColour(brush_string.After('#')));
+ m_brush = wxTheBrushList->FindOrCreateBrush(col, brush_style);
+ }
+ else
+ m_brush = wxTheBrushList->FindOrCreateBrush(brush_string, brush_style);
+
+ if (!m_brush)
+ m_brush = wxWHITE_BRUSH;
+
+ int point_size = 10;
+ clause->GetAttributeValue("point_size", point_size);
+ SetFont(oglMatchFont(point_size));
+
+ // Read user-defined attachment points, if any
+ wxExpr *attachmentList = clause->AttributeValue("user_attachments");
+ if (attachmentList)
+ {
+ wxExpr *pointExpr = attachmentList->GetFirst();
+ while (pointExpr)
+ {
+ wxExpr *idExpr = pointExpr->Nth(0);
+ wxExpr *xExpr = pointExpr->Nth(1);
+ wxExpr *yExpr = pointExpr->Nth(2);
+ if (idExpr && xExpr && yExpr)
+ {
+ wxAttachmentPoint *point = new wxAttachmentPoint;
+ point->m_id = (int)idExpr->IntegerValue();
+ point->m_x = xExpr->RealValue();
+ point->m_y = yExpr->RealValue();
+ m_attachmentPoints.Append((wxObject *)point);
+ }
+ pointExpr = pointExpr->GetNext();
+ }
+ }
+
+ // Read text regions
+ ReadRegions(clause);
+}
+
+void wxShape::ReadRegions(wxExpr *clause)
+{
+ ClearRegions();
+
+ // region1 = (regionName regionText x y width height minWidth minHeight proportionX proportionY
+ // formatMode fontSize fontFamily fontStyle fontWeight textColour)
+ int regionNo = 1;
+ char regionNameBuf[20];
+ char textNameBuf[20];
+
+ wxExpr *regionExpr = NULL;
+ wxExpr *textExpr = NULL;
+ sprintf(regionNameBuf, "region%d", regionNo);
+ sprintf(textNameBuf, "text%d", regionNo);
+
+ m_formatted = TRUE; // Assume text is formatted unless we prove otherwise
+
+ while ((regionExpr = clause->AttributeValue(regionNameBuf)))
+ {
+ /*
+ * Get the region information
+ *
+ */
+
+ wxString regionName("");
+ wxString regionText("");
+ double x = 0.0;
+ double y = 0.0;
+ double width = 0.0;
+ double height = 0.0;
+ double minWidth = 5.0;
+ double minHeight = 5.0;
+ double m_regionProportionX = -1.0;
+ double m_regionProportionY = -1.0;
+ int formatMode = FORMAT_NONE;
+ int fontSize = 10;
+ int fontFamily = wxSWISS;
+ int fontStyle = wxNORMAL;
+ int fontWeight = wxNORMAL;
+ wxString regionTextColour("");
+ wxString penColour("");
+ int penStyle = wxSOLID;
+
+ if (regionExpr->Type() == wxExprList)
+ {
+ wxExpr *nameExpr = regionExpr->Nth(0);
+ wxExpr *textExpr = regionExpr->Nth(1);
+ wxExpr *xExpr = regionExpr->Nth(2);
+ wxExpr *yExpr = regionExpr->Nth(3);
+ wxExpr *widthExpr = regionExpr->Nth(4);
+ wxExpr *heightExpr = regionExpr->Nth(5);
+ wxExpr *minWidthExpr = regionExpr->Nth(6);
+ wxExpr *minHeightExpr = regionExpr->Nth(7);
+ wxExpr *propXExpr = regionExpr->Nth(8);
+ wxExpr *propYExpr = regionExpr->Nth(9);
+ wxExpr *formatExpr = regionExpr->Nth(10);
+ wxExpr *sizeExpr = regionExpr->Nth(11);
+ wxExpr *familyExpr = regionExpr->Nth(12);
+ wxExpr *styleExpr = regionExpr->Nth(13);
+ wxExpr *weightExpr = regionExpr->Nth(14);
+ wxExpr *colourExpr = regionExpr->Nth(15);
+ wxExpr *penColourExpr = regionExpr->Nth(16);
+ wxExpr *penStyleExpr = regionExpr->Nth(17);
+
+ regionName = nameExpr->StringValue();
+ regionText = textExpr->StringValue();
+
+ x = xExpr->RealValue();
+ y = yExpr->RealValue();
+
+ width = widthExpr->RealValue();
+ height = heightExpr->RealValue();
+
+ minWidth = minWidthExpr->RealValue();
+ minHeight = minHeightExpr->RealValue();
+
+ m_regionProportionX = propXExpr->RealValue();
+ m_regionProportionY = propYExpr->RealValue();
+
+ formatMode = (int) formatExpr->IntegerValue();
+ fontSize = (int)sizeExpr->IntegerValue();
+ fontFamily = (int)familyExpr->IntegerValue();
+ fontStyle = (int)styleExpr->IntegerValue();
+ fontWeight = (int)weightExpr->IntegerValue();
+
+ if (colourExpr)
+ {
+ regionTextColour = colourExpr->StringValue();
+ }
+ else
+ regionTextColour = "BLACK";
+
+ if (penColourExpr)
+ penColour = penColourExpr->StringValue();
+ if (penStyleExpr)
+ penStyle = (int)penStyleExpr->IntegerValue();
+ }
+ wxFont *font = wxTheFontList->FindOrCreateFont(fontSize, fontFamily, fontStyle, fontWeight);
+
+ wxShapeRegion *region = new wxShapeRegion;
+ region->SetProportions(m_regionProportionX, m_regionProportionY);
+ region->SetFont(font);
+ region->SetSize(width, height);
+ region->SetPosition(x, y);
+ region->SetMinSize(minWidth, minHeight);
+ region->SetFormatMode(formatMode);
+ region->SetPenStyle(penStyle);
+ if (penColour != "")
+ region->SetPenColour(penColour);
+
+ region->m_textColour = regionTextColour;
+ region->m_regionText = regionText;
+ region->m_regionName = regionName;
+
+ m_regions.Append(region);
+
+ /*
+ * Get the formatted text strings
+ *
+ */
+ textExpr = clause->AttributeValue(textNameBuf);
+ if (textExpr && (textExpr->Type() == wxExprList))
+ {
+ wxExpr *node = textExpr->value.first;
+ while (node)
+ {
+ wxExpr *string_expr = node;
+ double the_x = 0.0;
+ double the_y = 0.0;
+ wxString the_string("");
+
+ // string_expr can either be a string, or a list of
+ // 3 elements: x, y, and string.
+ if (string_expr->Type() == wxExprString)
+ {
+ the_string = string_expr->StringValue();
+ m_formatted = FALSE;
+ }
+ else if (string_expr->Type() == wxExprList)
+ {
+ wxExpr *first = string_expr->value.first;
+ wxExpr *second = first ? first->next : (wxExpr*) NULL;
+ wxExpr *third = second ? second->next : (wxExpr*) NULL;
+
+ if (first && second && third &&
+ (first->Type() == wxExprReal || first->Type() == wxExprInteger) &&
+ (second->Type() == wxExprReal || second->Type() == wxExprInteger) &&
+ third->Type() == wxExprString)
+ {
+ if (first->Type() == wxExprReal)
+ the_x = first->RealValue();
+ else the_x = (double)first->IntegerValue();
+
+ if (second->Type() == wxExprReal)
+ the_y = second->RealValue();
+ else the_y = (double)second->IntegerValue();
+
+ the_string = third->StringValue();
+ }
+ }
+ if (the_string)
+ {
+ wxShapeTextLine *line =
+ new wxShapeTextLine(the_x, the_y, (char*) (const char*) the_string);
+ region->m_formattedText.Append(line);
+ }
+ node = node->next;
+ }
+ }
+
+ regionNo ++;
+ sprintf(regionNameBuf, "region%d", regionNo);
+ sprintf(textNameBuf, "text%d", regionNo);
+ }
+
+ // Compatibility: check for no regions (old file).
+ // Lines and divided rectangles must deal with this compatibility
+ // theirselves. Composites _may_ not have any regions anyway.
+ if ((m_regions.Number() == 0) &&
+ !this->IsKindOf(CLASSINFO(wxLineShape)) && !this->IsKindOf(CLASSINFO(wxDividedShape)) &&
+ !this->IsKindOf(CLASSINFO(wxCompositeShape)))
+ {
+ wxShapeRegion *newRegion = new wxShapeRegion;
+ newRegion->SetName("0");
+ m_regions.Append((wxObject *)newRegion);
+ if (m_text.Number() > 0)
+ {
+ newRegion->ClearText();
+ wxNode *node = m_text.First();
+ while (node)
+ {
+ wxShapeTextLine *textLine = (wxShapeTextLine *)node->Data();
+ wxNode *next = node->Next();
+ newRegion->GetFormattedText().Append((wxObject *)textLine);
+ delete node;
+ node = next;
+ }
+ }
+ }
+}
+
+#endif
+
+void wxShape::Copy(wxShape& copy)
+{
+ copy.m_id = m_id;
+ copy.m_xpos = m_xpos;
+ copy.m_ypos = m_ypos;
+ copy.m_pen = m_pen;
+ copy.m_brush = m_brush;
+ copy.m_textColour = m_textColour;
+ copy.m_centreResize = m_centreResize;
+ copy.m_maintainAspectRatio = m_maintainAspectRatio;
+ copy.m_attachmentMode = m_attachmentMode;
+ copy.m_spaceAttachments = m_spaceAttachments;
+ copy.m_highlighted = m_highlighted;
+ copy.m_rotation = m_rotation;
+ copy.m_textColourName = m_textColourName;
+ copy.m_regionName = m_regionName;
+
+ copy.m_sensitivity = m_sensitivity;
+ copy.m_draggable = m_draggable;
+ copy.m_fixedWidth = m_fixedWidth;
+ copy.m_fixedHeight = m_fixedHeight;
+ copy.m_formatMode = m_formatMode;
+ copy.m_drawHandles = m_drawHandles;
+
+ copy.m_visible = m_visible;
+ copy.m_shadowMode = m_shadowMode;
+ copy.m_shadowOffsetX = m_shadowOffsetX;
+ copy.m_shadowOffsetY = m_shadowOffsetY;
+ copy.m_shadowBrush = m_shadowBrush;
+
+ copy.m_branchNeckLength = m_branchNeckLength;
+ copy.m_branchStemLength = m_branchStemLength;
+ copy.m_branchSpacing = m_branchSpacing;
+
+ // Copy text regions
+ copy.ClearRegions();
+ wxNode *node = m_regions.First();
+ while (node)
+ {
+ wxShapeRegion *region = (wxShapeRegion *)node->Data();
+ wxShapeRegion *newRegion = new wxShapeRegion(*region);
+ copy.m_regions.Append(newRegion);
+ node = node->Next();
+ }
+
+ // Copy attachments
+ copy.ClearAttachments();
+ node = m_attachmentPoints.First();
+ while (node)
+ {
+ wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
+ wxAttachmentPoint *newPoint = new wxAttachmentPoint;
+ newPoint->m_id = point->m_id;
+ newPoint->m_x = point->m_x;
+ newPoint->m_y = point->m_y;
+ copy.m_attachmentPoints.Append((wxObject *)newPoint);
+ node = node->Next();
+ }
+
+ // Copy lines
+ copy.m_lines.Clear();
+ node = m_lines.First();
+ while (node)
+ {
+ wxLineShape* line = (wxLineShape*) node->Data();
+ copy.m_lines.Append(line);
+ node = node->Next();
+ }
+}
+
+// Create and return a new, fully copied object.
+wxShape *wxShape::CreateNewCopy(bool resetMapping, bool recompute)
+{
+ if (resetMapping)
+ oglObjectCopyMapping.Clear();
+
+ wxShape* newObject = (wxShape*) GetClassInfo()->CreateObject();
+
+ wxASSERT( (newObject != NULL) );
+ wxASSERT( (newObject->IsKindOf(CLASSINFO(wxShape))) );
+
+ Copy(*newObject);
+
+ if (GetEventHandler() != this)
+ {
+ wxShapeEvtHandler* newHandler = GetEventHandler()->CreateNewCopy();
+ newObject->SetEventHandler(newHandler);
+ newObject->SetPreviousHandler(NULL);
+ newHandler->SetPreviousHandler(newObject);
+ newHandler->SetShape(newObject);
+ }
+
+ if (recompute)
+ newObject->Recompute();
+ return newObject;
+}
+
+// Does the copying for this object, including copying event
+// handler data if any. Calls the virtual Copy function.
+void wxShape::CopyWithHandler(wxShape& copy)
+{
+ Copy(copy);
+
+ if (GetEventHandler() != this)
+ {
+ wxASSERT( copy.GetEventHandler() != NULL );
+ wxASSERT( copy.GetEventHandler() != (©) );
+ wxASSERT( GetEventHandler()->GetClassInfo() == copy.GetEventHandler()->GetClassInfo() );
+ GetEventHandler()->CopyData(* (copy.GetEventHandler()));
+ }
+}
+
+
+// Default - make 6 control points
+void wxShape::MakeControlPoints()
+{
+ double maxX, maxY, minX, minY;
+
+ GetBoundingBoxMax(&maxX, &maxY);
+ GetBoundingBoxMin(&minX, &minY);
+
+ double widthMin = (double)(minX + CONTROL_POINT_SIZE + 2);
+ double heightMin = (double)(minY + CONTROL_POINT_SIZE + 2);
+
+ // Offsets from main object
+ double top = (double)(- (heightMin / 2.0));
+ double bottom = (double)(heightMin / 2.0 + (maxY - minY));
+ double left = (double)(- (widthMin / 2.0));
+ double right = (double)(widthMin / 2.0 + (maxX - minX));
+
+ wxControlPoint *control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, left, top,
+ CONTROL_POINT_DIAGONAL);
+ m_canvas->AddShape(control);
+ m_controlPoints.Append(control);
+
+ control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, 0, top,
+ CONTROL_POINT_VERTICAL);
+ m_canvas->AddShape(control);
+ m_controlPoints.Append(control);
+
+ control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, right, top,
+ CONTROL_POINT_DIAGONAL);
+ m_canvas->AddShape(control);
+ m_controlPoints.Append(control);
+
+ control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, right, 0,
+ CONTROL_POINT_HORIZONTAL);
+ m_canvas->AddShape(control);
+ m_controlPoints.Append(control);
+
+ control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, right, bottom,
+ CONTROL_POINT_DIAGONAL);
+ m_canvas->AddShape(control);
+ m_controlPoints.Append(control);
+
+ control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, 0, bottom,
+ CONTROL_POINT_VERTICAL);
+ m_canvas->AddShape(control);
+ m_controlPoints.Append(control);
+
+ control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, left, bottom,
+ CONTROL_POINT_DIAGONAL);
+ m_canvas->AddShape(control);
+ m_controlPoints.Append(control);
+
+ control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, left, 0,
+ CONTROL_POINT_HORIZONTAL);
+ m_canvas->AddShape(control);
+ m_controlPoints.Append(control);
+
+}
+
+void wxShape::MakeMandatoryControlPoints()
+{
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->MakeMandatoryControlPoints();
+ node = node->Next();
+ }
+}
+
+void wxShape::ResetMandatoryControlPoints()
+{
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->ResetMandatoryControlPoints();
+ node = node->Next();
+ }
+}
+
+void wxShape::ResetControlPoints()
+{
+ ResetMandatoryControlPoints();
+
+ if (m_controlPoints.Number() < 1)
+ return;
+
+ double maxX, maxY, minX, minY;
+
+ GetBoundingBoxMax(&maxX, &maxY);
+ GetBoundingBoxMin(&minX, &minY);
+
+ double widthMin = (double)(minX + CONTROL_POINT_SIZE + 2);
+ double heightMin = (double)(minY + CONTROL_POINT_SIZE + 2);
+
+ // Offsets from main object
+ double top = (double)(- (heightMin / 2.0));
+ double bottom = (double)(heightMin / 2.0 + (maxY - minY));
+ double left = (double)(- (widthMin / 2.0));
+ double right = (double)(widthMin / 2.0 + (maxX - minX));
+
+ wxNode *node = m_controlPoints.First();
+ wxControlPoint *control = (wxControlPoint *)node->Data();
+ control->m_xoffset = left; control->m_yoffset = top;
+
+ node = node->Next(); control = (wxControlPoint *)node->Data();
+ control->m_xoffset = 0; control->m_yoffset = top;
+
+ node = node->Next(); control = (wxControlPoint *)node->Data();
+ control->m_xoffset = right; control->m_yoffset = top;
+
+ node = node->Next(); control = (wxControlPoint *)node->Data();
+ control->m_xoffset = right; control->m_yoffset = 0;
+
+ node = node->Next(); control = (wxControlPoint *)node->Data();
+ control->m_xoffset = right; control->m_yoffset = bottom;
+
+ node = node->Next(); control = (wxControlPoint *)node->Data();
+ control->m_xoffset = 0; control->m_yoffset = bottom;
+
+ node = node->Next(); control = (wxControlPoint *)node->Data();
+ control->m_xoffset = left; control->m_yoffset = bottom;
+
+ node = node->Next(); control = (wxControlPoint *)node->Data();
+ control->m_xoffset = left; control->m_yoffset = 0;
+}
+
+void wxShape::DeleteControlPoints(wxDC *dc)
+{
+ wxNode *node = m_controlPoints.First();
+ while (node)
+ {
+ wxControlPoint *control = (wxControlPoint *)node->Data();
+ if (dc)
+ control->GetEventHandler()->OnErase(*dc);
+ m_canvas->RemoveShape(control);
+ delete control;
+ delete node;
+ node = m_controlPoints.First();
+ }
+ // Children of divisions are contained objects,
+ // so stop here
+ if (!IsKindOf(CLASSINFO(wxDivisionShape)))
+ {
+ node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->DeleteControlPoints(dc);
+ node = node->Next();
+ }
+ }
+}
+
+void wxShape::OnDrawControlPoints(wxDC& dc)
+{
+ if (!m_drawHandles)
+ return;
+
+ dc.SetBrush(* wxBLACK_BRUSH);
+ dc.SetPen(* wxBLACK_PEN);
+
+ wxNode *node = m_controlPoints.First();
+ while (node)
+ {
+ wxControlPoint *control = (wxControlPoint *)node->Data();
+ control->Draw(dc);
+ node = node->Next();
+ }
+ // Children of divisions are contained objects,
+ // so stop here.
+ // This test bypasses the type facility for speed
+ // (critical when drawing)
+ if (!IsKindOf(CLASSINFO(wxDivisionShape)))
+ {
+ node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->GetEventHandler()->OnDrawControlPoints(dc);
+ node = node->Next();
+ }
+ }
+}
+
+void wxShape::OnEraseControlPoints(wxDC& dc)
+{
+ wxNode *node = m_controlPoints.First();
+ while (node)
+ {
+ wxControlPoint *control = (wxControlPoint *)node->Data();
+ control->Erase(dc);
+ node = node->Next();
+ }
+ if (!IsKindOf(CLASSINFO(wxDivisionShape)))
+ {
+ node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->GetEventHandler()->OnEraseControlPoints(dc);
+ node = node->Next();
+ }
+ }
+}
+
+void wxShape::Select(bool select, wxDC* dc)
+{
+ m_selected = select;
+ if (select)
+ {
+ MakeControlPoints();
+ // Children of divisions are contained objects,
+ // so stop here
+ if (!IsKindOf(CLASSINFO(wxDivisionShape)))
+ {
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->MakeMandatoryControlPoints();
+ node = node->Next();
+ }
+ }
+ if (dc)
+ GetEventHandler()->OnDrawControlPoints(*dc);
+ }
+ if (!select)
+ {
+ DeleteControlPoints(dc);
+ if (!IsKindOf(CLASSINFO(wxDivisionShape)))
+ {
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ child->DeleteControlPoints(dc);
+ node = node->Next();
+ }
+ }
+ }
+}
+
+bool wxShape::Selected() const
+{
+ return m_selected;
+}
+
+bool wxShape::AncestorSelected() const
+{
+ if (m_selected) return TRUE;
+ if (!GetParent())
+ return FALSE;
+ else
+ return GetParent()->AncestorSelected();
+}
+
+int wxShape::GetNumberOfAttachments() const
+{
+ // Should return the MAXIMUM attachment point id here,
+ // so higher-level functions can iterate through all attachments,
+ // even if they're not contiguous.
+ if (m_attachmentPoints.Number() == 0)
+ return 4;
+ else
+ {
+ int maxN = 3;
+ wxNode *node = m_attachmentPoints.First();
+ while (node)
+ {
+ wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
+ if (point->m_id > maxN)
+ maxN = point->m_id;
+ node = node->Next();
+ }
+ return maxN+1;;
+ }
+}
+
+bool wxShape::AttachmentIsValid(int attachment) const
+{
+ if (m_attachmentPoints.Number() == 0)
+ {
+ return ((attachment >= 0) && (attachment < 4)) ;
+ }
+
+ wxNode *node = m_attachmentPoints.First();
+ while (node)
+ {
+ wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
+ if (point->m_id == attachment)
+ return TRUE;
+ node = node->Next();
+ }
+ return FALSE;
+}
+
+bool wxShape::GetAttachmentPosition(int attachment, double *x, double *y,
+ int nth, int no_arcs, wxLineShape *line)
+{
+ if (m_attachmentMode == ATTACHMENT_MODE_NONE)
+ {
+ *x = m_xpos; *y = m_ypos;
+ return TRUE;
+ }
+ else if (m_attachmentMode == ATTACHMENT_MODE_BRANCHING)
+ {
+ wxRealPoint pt, stemPt;
+ GetBranchingAttachmentPoint(attachment, nth, pt, stemPt);
+ *x = pt.x;
+ *y = pt.y;
+ return TRUE;
+ }
+ else if (m_attachmentMode == ATTACHMENT_MODE_EDGE)
+ {
+ if (m_attachmentPoints.Number() > 0)
+ {
+ wxNode *node = m_attachmentPoints.First();
+ while (node)
+ {
+ wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
+ if (point->m_id == attachment)
+ {
+ *x = (double)(m_xpos + point->m_x);
+ *y = (double)(m_ypos + point->m_y);
+ return TRUE;
+ }
+ node = node->Next();
+ }
+ *x = m_xpos; *y = m_ypos;
+ return FALSE;
+ }
+ else
+ {
+ // Assume is rectangular
+ double w, h;
+ GetBoundingBoxMax(&w, &h);
+ double top = (double)(m_ypos + h/2.0);
+ double bottom = (double)(m_ypos - h/2.0);
+ double left = (double)(m_xpos - w/2.0);
+ double right = (double)(m_xpos + w/2.0);
+
+ bool isEnd = (line && line->IsEnd(this));
+
+ int physicalAttachment = LogicalToPhysicalAttachment(attachment);
+
+ // Simplified code
+ switch (physicalAttachment)
+ {
+ case 0:
+ {
+ wxRealPoint pt = CalcSimpleAttachment(wxRealPoint(left, bottom), wxRealPoint(right, bottom),
+ nth, no_arcs, line);
+
+ *x = pt.x; *y = pt.y;
+ break;
+ }
+ case 1:
+ {
+ wxRealPoint pt = CalcSimpleAttachment(wxRealPoint(right, bottom), wxRealPoint(right, top),
+ nth, no_arcs, line);
+
+ *x = pt.x; *y = pt.y;
+ break;
+ }
+ case 2:
+ {
+ wxRealPoint pt = CalcSimpleAttachment(wxRealPoint(left, top), wxRealPoint(right, top),
+ nth, no_arcs, line);
+
+ *x = pt.x; *y = pt.y;
+ break;
+ }
+ case 3:
+ {
+ wxRealPoint pt = CalcSimpleAttachment(wxRealPoint(left, bottom), wxRealPoint(left, top),
+ nth, no_arcs, line);
+
+ *x = pt.x; *y = pt.y;
+ break;
+ }
+ default:
+ {
+ return FALSE;
+ break;
+ }
+ }
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+void wxShape::GetBoundingBoxMax(double *w, double *h)
+{
+ double ww, hh;
+ GetBoundingBoxMin(&ww, &hh);
+ if (m_shadowMode != SHADOW_NONE)
+ {
+ ww += m_shadowOffsetX;
+ hh += m_shadowOffsetY;
+ }
+ *w = ww;
+ *h = hh;
+}
+
+// Returns TRUE if image is a descendant of this composite
+bool wxShape::HasDescendant(wxShape *image)
+{
+ if (image == this)
+ return TRUE;
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxShape *child = (wxShape *)node->Data();
+ bool ans = child->HasDescendant(image);
+ if (ans)
+ return TRUE;
+ node = node->Next();
+ }
+ return FALSE;
+}
+
+// Clears points from a list of wxRealPoints, and clears list
+void wxShape::ClearPointList(wxList& list)
+{
+ wxNode* node = list.First();
+ while (node)
+ {
+ wxRealPoint* pt = (wxRealPoint*) node->Data();
+ delete pt;
+
+ node = node->Next();
+ }
+ list.Clear();
+}
+
+// Assuming the attachment lies along a vertical or horizontal line,
+// calculate the position on that point.
+wxRealPoint wxShape::CalcSimpleAttachment(const wxRealPoint& pt1, const wxRealPoint& pt2,
+ int nth, int noArcs, wxLineShape* line)
+{
+ bool isEnd = (line && line->IsEnd(this));
+
+ // Are we horizontal or vertical?
+ bool isHorizontal = (oglRoughlyEqual(pt1.y, pt2.y) == TRUE);
+
+ double x, y;
+
+ if (isHorizontal)
+ {
+ wxRealPoint firstPoint, secondPoint;
+ if (pt1.x > pt2.x)
+ {
+ firstPoint = pt2;
+ secondPoint = pt1;
+ }
+ else
+ {
+ firstPoint = pt1;
+ secondPoint = pt2;
+ }
+
+ if (m_spaceAttachments)
+ {
+ if (line && (line->GetAlignmentType(isEnd) == LINE_ALIGNMENT_TO_NEXT_HANDLE))
+ {
+ // Align line according to the next handle along
+ wxRealPoint *point = line->GetNextControlPoint(this);
+ if (point->x < firstPoint.x)
+ x = firstPoint.x;
+ else if (point->x > secondPoint.x)
+ x = secondPoint.x;
+ else
+ x = point->x;
+ }
+ else
+ x = firstPoint.x + (nth + 1)*(secondPoint.x - firstPoint.x)/(noArcs + 1);
+ }
+ else x = (secondPoint.x - firstPoint.x)/2.0; // Midpoint
+
+ y = pt1.y;
+ }
+ else
+ {
+ wxASSERT( oglRoughlyEqual(pt1.x, pt2.x) == TRUE );
+
+ wxRealPoint firstPoint, secondPoint;
+ if (pt1.y > pt2.y)
+ {
+ firstPoint = pt2;
+ secondPoint = pt1;
+ }
+ else
+ {
+ firstPoint = pt1;
+ secondPoint = pt2;
+ }
+
+ if (m_spaceAttachments)
+ {
+ if (line && (line->GetAlignmentType(isEnd) == LINE_ALIGNMENT_TO_NEXT_HANDLE))
+ {
+ // Align line according to the next handle along
+ wxRealPoint *point = line->GetNextControlPoint(this);
+ if (point->y < firstPoint.y)
+ y = firstPoint.y;
+ else if (point->y > secondPoint.y)
+ y = secondPoint.y;
+ else
+ y = point->y;
+ }
+ else
+ y = firstPoint.y + (nth + 1)*(secondPoint.y - firstPoint.y)/(noArcs + 1);
+ }
+ else y = (secondPoint.y - firstPoint.y)/2.0; // Midpoint
+
+ x = pt1.x;
+ }
+
+ return wxRealPoint(x, y);
+}
+
+// Return the zero-based position in m_lines of line.
+int wxShape::GetLinePosition(wxLineShape* line)
+{
+ int i = 0;
+ for (i = 0; i < m_lines.Number(); i++)
+ if ((wxLineShape*) (m_lines.Nth(i)->Data()) == line)
+ return i;
+
+ return 0;
+}
+
+//
+// |________|
+// | <- root
+// | <- neck
+// shoulder1 ->---------<- shoulder2
+// | | | | |
+// <- branching attachment point N-1
+
+// This function gets information about where branching connections go.
+// Returns FALSE if there are no lines at this attachment.
+bool wxShape::GetBranchingAttachmentInfo(int attachment, wxRealPoint& root, wxRealPoint& neck,
+ wxRealPoint& shoulder1, wxRealPoint& shoulder2)
+{
+ int physicalAttachment = LogicalToPhysicalAttachment(attachment);
+
+ // Number of lines at this attachment.
+ int lineCount = GetAttachmentLineCount(attachment);
+
+ if (lineCount == 0)
+ return FALSE;
+
+ int totalBranchLength = m_branchSpacing * (lineCount - 1);
+
+ root = GetBranchingAttachmentRoot(attachment);
+
+ // Assume that we have attachment points 0 to 3: top, right, bottom, left.
+ switch (physicalAttachment)
+ {
+ case 0:
+ {
+ neck.x = GetX();
+ neck.y = root.y - m_branchNeckLength;
+
+ shoulder1.x = root.x - (totalBranchLength/2.0) ;
+ shoulder2.x = root.x + (totalBranchLength/2.0) ;
+
+ shoulder1.y = neck.y;
+ shoulder2.y = neck.y;
+ break;
+ }
+ case 1:
+ {
+ neck.x = root.x + m_branchNeckLength;
+ neck.y = root.y;
+
+ shoulder1.x = neck.x ;
+ shoulder2.x = neck.x ;
+
+ shoulder1.y = neck.y - (totalBranchLength/2.0) ;
+ shoulder2.y = neck.y + (totalBranchLength/2.0) ;
+ break;
+ }
+ case 2:
+ {
+ neck.x = GetX();
+ neck.y = root.y + m_branchNeckLength;
+
+ shoulder1.x = root.x - (totalBranchLength/2.0) ;
+ shoulder2.x = root.x + (totalBranchLength/2.0) ;
+
+ shoulder1.y = neck.y;
+ shoulder2.y = neck.y;
+ break;
+ }
+ case 3:
+ {
+ neck.x = root.x - m_branchNeckLength;
+ neck.y = root.y ;
+
+ shoulder1.x = neck.x ;
+ shoulder2.x = neck.x ;
+
+ shoulder1.y = neck.y - (totalBranchLength/2.0) ;
+ shoulder2.y = neck.y + (totalBranchLength/2.0) ;
+ break;
+ }
+ default:
+ {
+ wxFAIL_MSG( "Unrecognised attachment point in GetBranchingAttachmentInfo." );
+ break;
+ }
+ }
+ return TRUE;
+}
+
+// n is the number of the adjoining line, from 0 to N-1 where N is the number of lines
+// at this attachment point.
+// Get the attachment point where the arc joins the stem, and also the point where the
+// the stem meets the shoulder.
+bool wxShape::GetBranchingAttachmentPoint(int attachment, int n, wxRealPoint& pt, wxRealPoint& stemPt)
+{
+ int physicalAttachment = LogicalToPhysicalAttachment(attachment);
+
+ wxRealPoint root, neck, shoulder1, shoulder2;
+ GetBranchingAttachmentInfo(attachment, root, neck, shoulder1, shoulder2);
+
+ // Assume that we have attachment points 0 to 3: top, right, bottom, left.
+ switch (physicalAttachment)
+ {
+ case 0:
+ {
+ pt.y = neck.y - m_branchStemLength;
+ pt.x = shoulder1.x + n*m_branchSpacing;
+
+ stemPt.x = pt.x;
+ stemPt.y = neck.y;
+ break;
+ }
+ case 2:
+ {
+ pt.y = neck.y + m_branchStemLength;
+ pt.x = shoulder1.x + n*m_branchSpacing;
+
+ stemPt.x = pt.x;
+ stemPt.y = neck.y;
+ break;
+ }
+ case 1:
+ {
+ pt.x = neck.x + m_branchStemLength;
+ pt.y = shoulder1.y + n*m_branchSpacing;
+
+ stemPt.x = neck.x;
+ stemPt.y = pt.y;
+ break;
+ }
+ case 3:
+ {
+ pt.x = neck.x - m_branchStemLength;
+ pt.y = shoulder1.y + n*m_branchSpacing;
+
+ stemPt.x = neck.x;
+ stemPt.y = pt.y;
+ break;
+ }
+ default:
+ {
+ wxFAIL_MSG( "Unrecognised attachment point in GetBranchingAttachmentPoint." );
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+// Get the number of lines at this attachment position.
+int wxShape::GetAttachmentLineCount(int attachment) const
+{
+ int count = 0;
+ wxNode* node = m_lines.First();
+ while (node)
+ {
+ wxLineShape* lineShape = (wxLineShape*) node->Data();
+ if ((lineShape->GetFrom() == this) && (lineShape->GetAttachmentFrom() == attachment))
+ count ++;
+ else if ((lineShape->GetTo() == this) && (lineShape->GetAttachmentTo() == attachment))
+ count ++;
+
+ node = node->Next();
+ }
+ return count;
+}
+
+// This function gets the root point at the given attachment.
+wxRealPoint wxShape::GetBranchingAttachmentRoot(int attachment)
+{
+ int physicalAttachment = LogicalToPhysicalAttachment(attachment);
+
+ wxRealPoint root;
+
+ double width, height;
+ GetBoundingBoxMax(& width, & height);
+
+ // Assume that we have attachment points 0 to 3: top, right, bottom, left.
+ switch (physicalAttachment)
+ {
+ case 0:
+ {
+ root.x = GetX() ;
+ root.y = GetY() - height/2.0;
+ break;
+ }
+ case 1:
+ {
+ root.x = GetX() + width/2.0;
+ root.y = GetY() ;
+ break;
+ }
+ case 2:
+ {
+ root.x = GetX() ;
+ root.y = GetY() + height/2.0;
+ break;
+ }
+ case 3:
+ {
+ root.x = GetX() - width/2.0;
+ root.y = GetY() ;
+ break;
+ }
+ default:
+ {
+ wxFAIL_MSG( "Unrecognised attachment point in GetBranchingAttachmentRoot." );
+ break;
+ }
+ }
+ return root;
+}
+
+// Draw or erase the branches (not the actual arcs though)
+void wxShape::OnDrawBranches(wxDC& dc, int attachment, bool erase)
+{
+ int count = GetAttachmentLineCount(attachment);
+ if (count == 0)
+ return;
+
+ wxRealPoint root, neck, shoulder1, shoulder2;
+ GetBranchingAttachmentInfo(attachment, root, neck, shoulder1, shoulder2);
+
+ if (erase)
+ {
+ dc.SetPen(*wxWHITE_PEN);
+ dc.SetBrush(*wxWHITE_BRUSH);
+ }
+ else
+ {
+ dc.SetPen(*wxBLACK_PEN);
+ dc.SetBrush(*wxBLACK_BRUSH);
+ }
+
+ // Draw neck
+ dc.DrawLine((long) root.x, (long) root.y, (long) neck.x, (long) neck.y);
+
+ if (count > 1)
+ {
+ // Draw shoulder-to-shoulder line
+ dc.DrawLine((long) shoulder1.x, (long) shoulder1.y, (long) shoulder2.x, (long) shoulder2.y);
+ }
+ // Draw all the little branches
+ int i;
+ for (i = 0; i < count; i++)
+ {
+ wxRealPoint pt, stemPt;
+ GetBranchingAttachmentPoint(attachment, i, pt, stemPt);
+ dc.DrawLine((long) stemPt.x, (long) stemPt.y, (long) pt.x, (long) pt.y);
+
+ if ((GetBranchStyle() & BRANCHING_ATTACHMENT_BLOB) && (count > 1))
+ {
+ long blobSize=6;
+// dc.DrawEllipse((long) (stemPt.x + 0.5 - (blobSize/2.0)), (long) (stemPt.y + 0.5 - (blobSize/2.0)), blobSize, blobSize);
+ dc.DrawEllipse((long) (stemPt.x - (blobSize/2.0)), (long) (stemPt.y - (blobSize/2.0)), blobSize, blobSize);
+ }
+ }
+}
+
+// Draw or erase the branches (not the actual arcs though)
+void wxShape::OnDrawBranches(wxDC& dc, bool erase)
+{
+ if (m_attachmentMode != ATTACHMENT_MODE_BRANCHING)
+ return;
+
+ int count = GetNumberOfAttachments();
+ int i;
+ for (i = 0; i < count; i++)
+ OnDrawBranches(dc, i, erase);
+}
+
+// Only get the attachment position at the _edge_ of the shape, ignoring
+// branching mode. This is used e.g. to indicate the edge of interest, not the point
+// on the attachment branch.
+bool wxShape::GetAttachmentPositionEdge(int attachment, double *x, double *y,
+ int nth, int no_arcs, wxLineShape *line)
+{
+ int oldMode = m_attachmentMode;
+
+ // Calculate as if to edge, not branch
+ if (m_attachmentMode == ATTACHMENT_MODE_BRANCHING)
+ m_attachmentMode = ATTACHMENT_MODE_EDGE;
+ bool success = GetAttachmentPosition(attachment, x, y, nth, no_arcs, line);
+ m_attachmentMode = oldMode;
+
+ return success;
+}
+
+// Rotate the standard attachment point from physical (0 is always North)
+// to logical (0 -> 1 if rotated by 90 degrees)
+int wxShape::PhysicalToLogicalAttachment(int physicalAttachment) const
+{
+ const double pi = 3.1415926535897932384626433832795 ;
+ int i;
+ if (oglRoughlyEqual(GetRotation(), 0.0))
+ {
+ i = physicalAttachment;
+ }
+ else if (oglRoughlyEqual(GetRotation(), (pi/2.0)))
+ {
+ i = physicalAttachment - 1;
+ }
+ else if (oglRoughlyEqual(GetRotation(), pi))
+ {
+ i = physicalAttachment - 2;
+ }
+ else if (oglRoughlyEqual(GetRotation(), (3.0*pi/2.0)))
+ {
+ i = physicalAttachment - 3;
+ }
+ else
+ // Can't handle -- assume the same.
+ return physicalAttachment;
+
+ if (i < 0)
+ i += 4;
+
+ return i;
+}
+
+// Rotate the standard attachment point from logical
+// to physical (0 is always North)
+int wxShape::LogicalToPhysicalAttachment(int logicalAttachment) const
+{
+ const double pi = 3.1415926535897932384626433832795 ;
+ int i;
+ if (oglRoughlyEqual(GetRotation(), 0.0))
+ {
+ i = logicalAttachment;
+ }
+ else if (oglRoughlyEqual(GetRotation(), (pi/2.0)))
+ {
+ i = logicalAttachment + 1;
+ }
+ else if (oglRoughlyEqual(GetRotation(), pi))
+ {
+ i = logicalAttachment + 2;
+ }
+ else if (oglRoughlyEqual(GetRotation(), (3.0*pi/2.0)))
+ {
+ i = logicalAttachment + 3;
+ }
+ else
+ // Can't handle -- assume the same.
+ return logicalAttachment;
+
+ if (i > 3)
+ i -= 4;
+
+ return i;
+}
+
+void wxShape::Rotate(double WXUNUSED(x), double WXUNUSED(y), double theta)
+{
+ const double pi = 3.1415926535897932384626433832795 ;
+ m_rotation = theta;
+ if (m_rotation < 0.0)
+ {
+ m_rotation += 2*pi;
+ }
+ else if (m_rotation > 2*pi)
+ {
+ m_rotation -= 2*pi;
+ }
+}
+
projects / wxWidgets.git / commitdiff
