///////////////////////////////////////////////////////////////////////////// // Name: basic2.cpp // Purpose: Basic OGL classes (2) // Author: Julian Smart // Modified by: // Created: 12/07/98 // RCS-ID: $Id: basic2.cpp 35812 2005-10-06 18:17:23Z ABX $ // Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // 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 #if wxUSE_PROLOGIO #include "wx/deprecated/wxexpr.h" #endif #ifdef new #undef new #endif #include #include #include #include "wx/ogl/ogl.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 // Two stage construction: need to call Create IMPLEMENT_DYNAMIC_CLASS(wxPolygonShape, wxShape) wxPolygonShape::wxPolygonShape() { m_points = NULL; m_originalPoints = NULL; } void wxPolygonShape::Create(wxList *the_points) { ClearPoints(); if (!the_points) { m_originalPoints = new wxList; m_points = new wxList; } else { m_originalPoints = the_points; // Duplicate the list of points m_points = new wxList; wxObjectList::compatibility_iterator node = the_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); wxRealPoint *new_point = new wxRealPoint(point->x, point->y); m_points->Append((wxObject*) new_point); node = node->GetNext(); } CalculateBoundingBox(); m_originalWidth = m_boundWidth; m_originalHeight = m_boundHeight; SetDefaultRegionSize(); } } wxPolygonShape::~wxPolygonShape() { ClearPoints(); } void wxPolygonShape::ClearPoints() { if (m_points) { wxObjectList::compatibility_iterator node = m_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); delete point; m_points->Erase(node); node = m_points->GetFirst(); } delete m_points; m_points = NULL; } if (m_originalPoints) { wxObjectList::compatibility_iterator node = m_originalPoints->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); delete point; m_originalPoints->Erase(node); node = m_originalPoints->GetFirst(); } delete m_originalPoints; m_originalPoints = NULL; } } // Width and height. Centre of object is centre of box. void wxPolygonShape::GetBoundingBoxMin(double *width, double *height) { *width = m_boundWidth; *height = m_boundHeight; } void wxPolygonShape::CalculateBoundingBox() { // Calculate bounding box at construction (and presumably resize) time double left = 10000; double right = -10000; double top = 10000; double bottom = -10000; wxObjectList::compatibility_iterator node = m_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); if (point->x < left) left = point->x; if (point->x > right) right = point->x; if (point->y < top) top = point->y; if (point->y > bottom) bottom = point->y; node = node->GetNext(); } m_boundWidth = right - left; m_boundHeight = bottom - top; } // Recalculates the centre of the polygon, and // readjusts the point offsets accordingly. // Necessary since the centre of the polygon // is expected to be the real centre of the bounding // box. void wxPolygonShape::CalculatePolygonCentre() { double left = 10000; double right = -10000; double top = 10000; double bottom = -10000; wxObjectList::compatibility_iterator node = m_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); if (point->x < left) left = point->x; if (point->x > right) right = point->x; if (point->y < top) top = point->y; if (point->y > bottom) bottom = point->y; node = node->GetNext(); } double bwidth = right - left; double bheight = bottom - top; double newCentreX = (double)(left + (bwidth/2.0)); double newCentreY = (double)(top + (bheight/2.0)); node = m_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); point->x -= newCentreX; point->y -= newCentreY; node = node->GetNext(); } m_xpos += newCentreX; m_ypos += newCentreY; } bool PolylineHitTest(double n, double xvec[], double yvec[], double x1, double y1, double x2, double y2) { bool isAHit = false; int i; double lastx = xvec[0]; double lasty = yvec[0]; double min_ratio = 1.0; double line_ratio; double other_ratio; for (i = 1; i < n; i++) { oglCheckLineIntersection(x1, y1, x2, y2, lastx, lasty, xvec[i], yvec[i], &line_ratio, &other_ratio); if (line_ratio != 1.0) isAHit = true; lastx = xvec[i]; lasty = yvec[i]; if (line_ratio < min_ratio) min_ratio = line_ratio; } // Do last (implicit) line if last and first doubles are not identical if (!(xvec[0] == lastx && yvec[0] == lasty)) { oglCheckLineIntersection(x1, y1, x2, y2, lastx, lasty, xvec[0], yvec[0], &line_ratio, &other_ratio); if (line_ratio != 1.0) isAHit = true; } return isAHit; } bool wxPolygonShape::HitTest(double x, double y, int *attachment, double *distance) { // Imagine four lines radiating from this point. If all of these lines hit the polygon, // we're inside it, otherwise we're not. Obviously we'd need more radiating lines // to be sure of correct results for very strange (concave) shapes. double endPointsX[4]; double endPointsY[4]; // North endPointsX[0] = x; endPointsY[0] = (double)(y - 1000.0); // East endPointsX[1] = (double)(x + 1000.0); endPointsY[1] = y; // South endPointsX[2] = x; endPointsY[2] = (double)(y + 1000.0); // West endPointsX[3] = (double)(x - 1000.0); endPointsY[3] = y; // Store polygon points in an array int np = m_points->GetCount(); double *xpoints = new double[np]; double *ypoints = new double[np]; wxObjectList::compatibility_iterator node = m_points->GetFirst(); int i = 0; while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); xpoints[i] = point->x + m_xpos; ypoints[i] = point->y + m_ypos; node = node->GetNext(); i ++; } // We assume it's inside the polygon UNLESS one or more // lines don't hit the outline. bool isContained = true; int noPoints = 4; for (i = 0; i < noPoints; i++) { if (!PolylineHitTest(np, xpoints, ypoints, x, y, endPointsX[i], endPointsY[i])) isContained = false; } /* if (isContained) ClipsErrorFunction("It's a hit!\n"); else ClipsErrorFunction("No hit.\n"); */ delete[] xpoints; delete[] ypoints; if (!isContained) return false; int nearest_attachment = 0; // If a hit, check the attachment points within the object. int n = GetNumberOfAttachments(); double nearest = 999999.0; for (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; } // Really need to be able to reset the shape! Otherwise, if the // points ever go to zero, we've lost it, and can't resize. void wxPolygonShape::SetSize(double new_width, double new_height, bool WXUNUSED(recursive)) { SetAttachmentSize(new_width, new_height); // Multiply all points by proportion of new size to old size double x_proportion = (double)(fabs(new_width/m_originalWidth)); double y_proportion = (double)(fabs(new_height/m_originalHeight)); wxObjectList::compatibility_iterator node = m_points->GetFirst(); wxObjectList::compatibility_iterator original_node = m_originalPoints->GetFirst(); while (node && original_node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); wxRealPoint *original_point = (wxRealPoint *)original_node->GetData(); point->x = (original_point->x * x_proportion); point->y = (original_point->y * y_proportion); node = node->GetNext(); original_node = original_node->GetNext(); } // CalculateBoundingBox(); m_boundWidth = (double)fabs(new_width); m_boundHeight = (double)fabs(new_height); SetDefaultRegionSize(); } // Make the original points the same as the working points void wxPolygonShape::UpdateOriginalPoints() { if (!m_originalPoints) m_originalPoints = new wxList; wxObjectList::compatibility_iterator original_node = m_originalPoints->GetFirst(); while (original_node) { wxObjectList::compatibility_iterator next_node = original_node->GetNext(); wxRealPoint *original_point = (wxRealPoint *)original_node->GetData(); delete original_point; m_originalPoints->Erase(original_node); original_node = next_node; } wxObjectList::compatibility_iterator node = m_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); wxRealPoint *original_point = new wxRealPoint(point->x, point->y); m_originalPoints->Append((wxObject*) original_point); node = node->GetNext(); } CalculateBoundingBox(); m_originalWidth = m_boundWidth; m_originalHeight = m_boundHeight; } void wxPolygonShape::AddPolygonPoint(int pos) { wxObjectList::compatibility_iterator node = m_points->Item(pos); if (!node) node = m_points->GetFirst(); wxRealPoint *firstPoint = (wxRealPoint *)node->GetData(); wxObjectList::compatibility_iterator node2 = m_points->Item(pos + 1); if (!node2) node2 = m_points->GetFirst(); wxRealPoint *secondPoint = (wxRealPoint *)node2->GetData(); double x = (double)((secondPoint->x - firstPoint->x)/2.0 + firstPoint->x); double y = (double)((secondPoint->y - firstPoint->y)/2.0 + firstPoint->y); wxRealPoint *point = new wxRealPoint(x, y); if (pos >= (int) (m_points->GetCount() - 1)) m_points->Append((wxObject*) point); else m_points->Insert(node2, (wxObject*) point); UpdateOriginalPoints(); if (m_selected) { DeleteControlPoints(); MakeControlPoints(); } } void wxPolygonShape::DeletePolygonPoint(int pos) { wxObjectList::compatibility_iterator node = m_points->Item(pos); if (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); delete point; m_points->Erase(node); UpdateOriginalPoints(); if (m_selected) { DeleteControlPoints(); MakeControlPoints(); } } } // Assume (x1, y1) is centre of box (most generally, line end at box) bool wxPolygonShape::GetPerimeterPoint(double x1, double y1, double x2, double y2, double *x3, double *y3) { int n = m_points->GetCount(); // First check for situation where the line is vertical, // and we would want to connect to a point on that vertical -- // oglFindEndForPolyline can't cope with this (the arrow // gets drawn to the wrong place). if ((m_attachmentMode == ATTACHMENT_MODE_NONE) && (x1 == x2)) { // Look for the point we'd be connecting to. This is // a heuristic... wxObjectList::compatibility_iterator node = m_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); if (point->x == 0.0) { if ((y2 > y1) && (point->y > 0.0)) { *x3 = point->x + m_xpos; *y3 = point->y + m_ypos; return true; } else if ((y2 < y1) && (point->y < 0.0)) { *x3 = point->x + m_xpos; *y3 = point->y + m_ypos; return true; } } node = node->GetNext(); } } double *xpoints = new double[n]; double *ypoints = new double[n]; wxObjectList::compatibility_iterator node = m_points->GetFirst(); int i = 0; while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); xpoints[i] = point->x + m_xpos; ypoints[i] = point->y + m_ypos; node = node->GetNext(); i ++; } oglFindEndForPolyline(n, xpoints, ypoints, x1, y1, x2, y2, x3, y3); delete[] xpoints; delete[] ypoints; return true; } void wxPolygonShape::OnDraw(wxDC& dc) { int n = m_points->GetCount(); wxPoint *intPoints = new wxPoint[n]; int i; for (i = 0; i < n; i++) { wxRealPoint* point = (wxRealPoint*) m_points->Item(i)->GetData(); intPoints[i].x = WXROUND(point->x); intPoints[i].y = WXROUND(point->y); } if (m_shadowMode != SHADOW_NONE) { if (m_shadowBrush) dc.SetBrush(* m_shadowBrush); dc.SetPen(* g_oglTransparentPen); dc.DrawPolygon(n, intPoints, WXROUND(m_xpos + m_shadowOffsetX), WXROUND(m_ypos + m_shadowOffsetY)); } if (m_pen) { if (m_pen->GetWidth() == 0) dc.SetPen(* g_oglTransparentPen); else dc.SetPen(* m_pen); } if (m_brush) dc.SetBrush(* m_brush); dc.DrawPolygon(n, intPoints, WXROUND(m_xpos), WXROUND(m_ypos)); delete[] intPoints; } void wxPolygonShape::OnDrawOutline(wxDC& dc, double x, double y, double w, double h) { dc.SetBrush(* wxTRANSPARENT_BRUSH); // Multiply all points by proportion of new size to old size double x_proportion = (double)(fabs(w/m_originalWidth)); double y_proportion = (double)(fabs(h/m_originalHeight)); int n = m_originalPoints->GetCount(); wxPoint *intPoints = new wxPoint[n]; int i; for (i = 0; i < n; i++) { wxRealPoint* point = (wxRealPoint*) m_originalPoints->Item(i)->GetData(); intPoints[i].x = WXROUND(x_proportion * point->x); intPoints[i].y = WXROUND(y_proportion * point->y); } dc.DrawPolygon(n, intPoints, WXROUND(x), WXROUND(y)); delete[] intPoints; } // Make as many control points as there are vertices. void wxPolygonShape::MakeControlPoints() { wxObjectList::compatibility_iterator node = m_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); wxPolygonControlPoint *control = new wxPolygonControlPoint(m_canvas, this, CONTROL_POINT_SIZE, point, point->x, point->y); m_canvas->AddShape(control); m_controlPoints.Append(control); node = node->GetNext(); } } void wxPolygonShape::ResetControlPoints() { wxObjectList::compatibility_iterator node = m_points->GetFirst(); wxObjectList::compatibility_iterator controlPointNode = m_controlPoints.GetFirst(); while (node && controlPointNode) { wxRealPoint *point = (wxRealPoint *)node->GetData(); wxPolygonControlPoint *controlPoint = (wxPolygonControlPoint *)controlPointNode->GetData(); controlPoint->m_xoffset = point->x; controlPoint->m_yoffset = point->y; controlPoint->m_polygonVertex = point; node = node->GetNext(); controlPointNode = controlPointNode->GetNext(); } } #if wxUSE_PROLOGIO void wxPolygonShape::WriteAttributes(wxExpr *clause) { wxShape::WriteAttributes(clause); clause->AddAttributeValue(wxT("x"), m_xpos); clause->AddAttributeValue(wxT("y"), m_ypos); // Make a list of lists for the coordinates wxExpr *list = new wxExpr(wxExprList); wxObjectList::compatibility_iterator node = m_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); wxExpr *point_list = new wxExpr(wxExprList); wxExpr *x_expr = new wxExpr((double)point->x); wxExpr *y_expr = new wxExpr((double)point->y); point_list->Append(x_expr); point_list->Append(y_expr); list->Append(point_list); node = node->GetNext(); } clause->AddAttributeValue(wxT("points"), list); // Save the original (unscaled) points list = new wxExpr(wxExprList); node = m_originalPoints->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); wxExpr *point_list = new wxExpr(wxExprList); wxExpr *x_expr = new wxExpr((double) point->x); wxExpr *y_expr = new wxExpr((double) point->y); point_list->Append(x_expr); point_list->Append(y_expr); list->Append(point_list); node = node->GetNext(); } clause->AddAttributeValue(wxT("m_originalPoints"), list); } void wxPolygonShape::ReadAttributes(wxExpr *clause) { wxShape::ReadAttributes(clause); // Read a list of lists m_points = new wxList; m_originalPoints = new wxList; wxExpr *points_list = NULL; clause->AssignAttributeValue(wxT("points"), &points_list); // If no points_list, don't crash!! Assume a diamond instead. double the_height = 100.0; double the_width = 100.0; if (!points_list) { wxRealPoint *point = new wxRealPoint(0.0, (-the_height/2)); m_points->Append((wxObject*) point); point = new wxRealPoint((the_width/2), 0.0); m_points->Append((wxObject*) point); point = new wxRealPoint(0.0, (the_height/2)); m_points->Append((wxObject*) point); point = new wxRealPoint((-the_width/2), 0.0); m_points->Append((wxObject*) point); point = new wxRealPoint(0.0, (-the_height/2)); m_points->Append((wxObject*) point); } else { wxExpr *node = points_list->value.first; while (node) { wxExpr *xexpr = node->value.first; long x = xexpr->IntegerValue(); wxExpr *yexpr = xexpr->next; long y = yexpr->IntegerValue(); wxRealPoint *point = new wxRealPoint((double)x, (double)y); m_points->Append((wxObject*) point); node = node->next; } } points_list = NULL; clause->AssignAttributeValue(wxT("m_originalPoints"), &points_list); // If no points_list, don't crash!! Assume a diamond instead. if (!points_list) { wxRealPoint *point = new wxRealPoint(0.0, (-the_height/2)); m_originalPoints->Append((wxObject*) point); point = new wxRealPoint((the_width/2), 0.0); m_originalPoints->Append((wxObject*) point); point = new wxRealPoint(0.0, (the_height/2)); m_originalPoints->Append((wxObject*) point); point = new wxRealPoint((-the_width/2), 0.0); m_originalPoints->Append((wxObject*) point); point = new wxRealPoint(0.0, (-the_height/2)); m_originalPoints->Append((wxObject*) point); m_originalWidth = the_width; m_originalHeight = the_height; } else { wxExpr *node = points_list->value.first; double min_x = 1000; double min_y = 1000; double max_x = -1000; double max_y = -1000; while (node) { wxExpr *xexpr = node->value.first; long x = xexpr->IntegerValue(); wxExpr *yexpr = xexpr->next; long y = yexpr->IntegerValue(); wxRealPoint *point = new wxRealPoint((double)x, (double)y); m_originalPoints->Append((wxObject*) point); if (x < min_x) min_x = (double)x; if (y < min_y) min_y = (double)y; if (x > max_x) max_x = (double)x; if (y > max_y) max_y = (double)y; node = node->next; } m_originalWidth = max_x - min_x; m_originalHeight = max_y - min_y; } CalculateBoundingBox(); } #endif void wxPolygonShape::Copy(wxShape& copy) { wxShape::Copy(copy); wxASSERT( copy.IsKindOf(CLASSINFO(wxPolygonShape)) ); wxPolygonShape& polyCopy = (wxPolygonShape&) copy; polyCopy.ClearPoints(); polyCopy.m_points = new wxList; polyCopy.m_originalPoints = new wxList; wxObjectList::compatibility_iterator node = m_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); wxRealPoint *new_point = new wxRealPoint(point->x, point->y); polyCopy.m_points->Append((wxObject*) new_point); node = node->GetNext(); } node = m_originalPoints->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); wxRealPoint *new_point = new wxRealPoint(point->x, point->y); polyCopy.m_originalPoints->Append((wxObject*) new_point); node = node->GetNext(); } polyCopy.m_boundWidth = m_boundWidth; polyCopy.m_boundHeight = m_boundHeight; polyCopy.m_originalWidth = m_originalWidth; polyCopy.m_originalHeight = m_originalHeight; } int wxPolygonShape::GetNumberOfAttachments() const { int maxN = (m_points ? (m_points->GetCount() - 1) : 0); wxObjectList::compatibility_iterator node = m_attachmentPoints.GetFirst(); while (node) { wxAttachmentPoint *point = (wxAttachmentPoint *)node->GetData(); if (point->m_id > maxN) maxN = point->m_id; node = node->GetNext(); } return maxN+1;; } bool wxPolygonShape::GetAttachmentPosition(int attachment, double *x, double *y, int nth, int no_arcs, wxLineShape *line) { if ((m_attachmentMode == ATTACHMENT_MODE_EDGE) && m_points && attachment < (int) m_points->GetCount()) { wxRealPoint *point = (wxRealPoint *)m_points->Item(attachment)->GetData(); *x = point->x + m_xpos; *y = point->y + m_ypos; return true; } else { return wxShape::GetAttachmentPosition(attachment, x, y, nth, no_arcs, line); } } bool wxPolygonShape::AttachmentIsValid(int attachment) const { if (!m_points) return false; if ((attachment >= 0) && (attachment < (int) m_points->GetCount())) return true; wxObjectList::compatibility_iterator node = m_attachmentPoints.GetFirst(); while (node) { wxAttachmentPoint *point = (wxAttachmentPoint *)node->GetData(); if (point->m_id == attachment) return true; node = node->GetNext(); } return false; } // Rotate about the given axis by the given amount in radians void wxPolygonShape::Rotate(double x, double y, double theta) { double actualTheta = theta-m_rotation; // Rotate attachment points double sinTheta = (double)sin(actualTheta); double cosTheta = (double)cos(actualTheta); wxObjectList::compatibility_iterator node = m_attachmentPoints.GetFirst(); while (node) { wxAttachmentPoint *point = (wxAttachmentPoint *)node->GetData(); double x1 = point->m_x; double y1 = point->m_y; point->m_x = x1*cosTheta - y1*sinTheta + x*(1.0 - cosTheta) + y*sinTheta; point->m_y = x1*sinTheta + y1*cosTheta + y*(1.0 - cosTheta) + x*sinTheta; node = node->GetNext(); } node = m_points->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); double x1 = point->x; double y1 = point->y; point->x = x1*cosTheta - y1*sinTheta + x*(1.0 - cosTheta) + y*sinTheta; point->y = x1*sinTheta + y1*cosTheta + y*(1.0 - cosTheta) + x*sinTheta; node = node->GetNext(); } node = m_originalPoints->GetFirst(); while (node) { wxRealPoint *point = (wxRealPoint *)node->GetData(); double x1 = point->x; double y1 = point->y; point->x = x1*cosTheta - y1*sinTheta + x*(1.0 - cosTheta) + y*sinTheta; point->y = x1*sinTheta + y1*cosTheta + y*(1.0 - cosTheta) + x*sinTheta; node = node->GetNext(); } m_rotation = theta; CalculatePolygonCentre(); CalculateBoundingBox(); ResetControlPoints(); } // Rectangle object IMPLEMENT_DYNAMIC_CLASS(wxRectangleShape, wxShape) wxRectangleShape::wxRectangleShape(double w, double h) { m_width = w; m_height = h; m_cornerRadius = 0.0; SetDefaultRegionSize(); } void wxRectangleShape::OnDraw(wxDC& dc) { double x1 = (double)(m_xpos - m_width/2.0); double y1 = (double)(m_ypos - m_height/2.0); if (m_shadowMode != SHADOW_NONE) { if (m_shadowBrush) dc.SetBrush(* m_shadowBrush); dc.SetPen(* g_oglTransparentPen); if (m_cornerRadius != 0.0) dc.DrawRoundedRectangle(WXROUND(x1 + m_shadowOffsetX), WXROUND(y1 + m_shadowOffsetY), WXROUND(m_width), WXROUND(m_height), m_cornerRadius); else dc.DrawRectangle(WXROUND(x1 + m_shadowOffsetX), WXROUND(y1 + m_shadowOffsetY), WXROUND(m_width), WXROUND(m_height)); } if (m_pen) { if (m_pen->GetWidth() == 0) dc.SetPen(* g_oglTransparentPen); else dc.SetPen(* m_pen); } if (m_brush) dc.SetBrush(* m_brush); if (m_cornerRadius != 0.0) dc.DrawRoundedRectangle(WXROUND(x1), WXROUND(y1), WXROUND(m_width), WXROUND(m_height), m_cornerRadius); else dc.DrawRectangle(WXROUND(x1), WXROUND(y1), WXROUND(m_width), WXROUND(m_height)); } void wxRectangleShape::GetBoundingBoxMin(double *the_width, double *the_height) { *the_width = m_width; *the_height = m_height; } void wxRectangleShape::SetSize(double x, double y, bool WXUNUSED(recursive)) { SetAttachmentSize(x, y); m_width = (double)wxMax(x, 1.0); m_height = (double)wxMax(y, 1.0); SetDefaultRegionSize(); } void wxRectangleShape::SetCornerRadius(double rad) { m_cornerRadius = rad; } // Assume (x1, y1) is centre of box (most generally, line end at box) bool wxRectangleShape::GetPerimeterPoint(double WXUNUSED(x1), double WXUNUSED(y1), double x2, double y2, double *x3, double *y3) { double bound_x, bound_y; GetBoundingBoxMax(&bound_x, &bound_y); oglFindEndForBox(bound_x, bound_y, m_xpos, m_ypos, x2, y2, x3, y3); return true; } #if wxUSE_PROLOGIO void wxRectangleShape::WriteAttributes(wxExpr *clause) { wxShape::WriteAttributes(clause); clause->AddAttributeValue(wxT("x"), m_xpos); clause->AddAttributeValue(wxT("y"), m_ypos); clause->AddAttributeValue(wxT("width"), m_width); clause->AddAttributeValue(wxT("height"), m_height); if (m_cornerRadius != 0.0) clause->AddAttributeValue(wxT("corner"), m_cornerRadius); } void wxRectangleShape::ReadAttributes(wxExpr *clause) { wxShape::ReadAttributes(clause); clause->AssignAttributeValue(wxT("width"), &m_width); clause->AssignAttributeValue(wxT("height"), &m_height); clause->AssignAttributeValue(wxT("corner"), &m_cornerRadius); // In case we're reading an old file, set the region's size if (m_regions.GetCount() == 1) { wxShapeRegion *region = (wxShapeRegion *)m_regions.GetFirst()->GetData(); region->SetSize(m_width, m_height); } } #endif void wxRectangleShape::Copy(wxShape& copy) { wxShape::Copy(copy); wxASSERT( copy.IsKindOf(CLASSINFO(wxRectangleShape)) ); wxRectangleShape& rectCopy = (wxRectangleShape&) copy; rectCopy.m_width = m_width; rectCopy.m_height = m_height; rectCopy.m_cornerRadius = m_cornerRadius; } int wxRectangleShape::GetNumberOfAttachments() const { return wxShape::GetNumberOfAttachments(); } // There are 4 attachment points on a rectangle - 0 = top, 1 = right, 2 = bottom, // 3 = left. bool wxRectangleShape::GetAttachmentPosition(int attachment, double *x, double *y, int nth, int no_arcs, wxLineShape *line) { return wxShape::GetAttachmentPosition(attachment, x, y, nth, no_arcs, line); } // Text object (no box) IMPLEMENT_DYNAMIC_CLASS(wxTextShape, wxRectangleShape) wxTextShape::wxTextShape(double width, double height): wxRectangleShape(width, height) { } void wxTextShape::OnDraw(wxDC& WXUNUSED(dc)) { } void wxTextShape::Copy(wxShape& copy) { wxRectangleShape::Copy(copy); } #if wxUSE_PROLOGIO void wxTextShape::WriteAttributes(wxExpr *clause) { wxRectangleShape::WriteAttributes(clause); } #endif // Ellipse object IMPLEMENT_DYNAMIC_CLASS(wxEllipseShape, wxShape) wxEllipseShape::wxEllipseShape(double w, double h) { m_width = w; m_height = h; SetDefaultRegionSize(); } void wxEllipseShape::GetBoundingBoxMin(double *w, double *h) { *w = m_width; *h = m_height; } bool wxEllipseShape::GetPerimeterPoint(double x1, double y1, double x2, double y2, double *x3, double *y3) { double bound_x, bound_y; GetBoundingBoxMax(&bound_x, &bound_y); // oglFindEndForBox(bound_x, bound_y, m_xpos, m_ypos, x2, y2, x3, y3); oglDrawArcToEllipse(m_xpos, m_ypos, bound_x, bound_y, x2, y2, x1, y1, x3, y3); return true; } void wxEllipseShape::OnDraw(wxDC& dc) { if (m_shadowMode != SHADOW_NONE) { if (m_shadowBrush) dc.SetBrush(* m_shadowBrush); dc.SetPen(* g_oglTransparentPen); dc.DrawEllipse((long) ((m_xpos - GetWidth()/2) + m_shadowOffsetX), (long) ((m_ypos - GetHeight()/2) + m_shadowOffsetY), (long) GetWidth(), (long) GetHeight()); } if (m_pen) { if (m_pen->GetWidth() == 0) dc.SetPen(* g_oglTransparentPen); else dc.SetPen(* m_pen); } if (m_brush) dc.SetBrush(* m_brush); dc.DrawEllipse((long) (m_xpos - GetWidth()/2), (long) (m_ypos - GetHeight()/2), (long) GetWidth(), (long) GetHeight()); } void wxEllipseShape::SetSize(double x, double y, bool WXUNUSED(recursive)) { SetAttachmentSize(x, y); m_width = x; m_height = y; SetDefaultRegionSize(); } #if wxUSE_PROLOGIO void wxEllipseShape::WriteAttributes(wxExpr *clause) { wxShape::WriteAttributes(clause); clause->AddAttributeValue(wxT("x"), m_xpos); clause->AddAttributeValue(wxT("y"), m_ypos); clause->AddAttributeValue(wxT("width"), m_width); clause->AddAttributeValue(wxT("height"), m_height); } void wxEllipseShape::ReadAttributes(wxExpr *clause) { wxShape::ReadAttributes(clause); clause->AssignAttributeValue(wxT("width"), &m_width); clause->AssignAttributeValue(wxT("height"), &m_height); // In case we're reading an old file, set the region's size if (m_regions.GetCount() == 1) { wxShapeRegion *region = (wxShapeRegion *)m_regions.GetFirst()->GetData(); region->SetSize(m_width, m_height); } } #endif void wxEllipseShape::Copy(wxShape& copy) { wxShape::Copy(copy); wxASSERT( copy.IsKindOf(CLASSINFO(wxEllipseShape)) ); wxEllipseShape& ellipseCopy = (wxEllipseShape&) copy; ellipseCopy.m_width = m_width; ellipseCopy.m_height = m_height; } int wxEllipseShape::GetNumberOfAttachments() const { return wxShape::GetNumberOfAttachments(); } // There are 4 attachment points on an ellipse - 0 = top, 1 = right, 2 = bottom, // 3 = left. bool wxEllipseShape::GetAttachmentPosition(int attachment, double *x, double *y, int nth, int no_arcs, wxLineShape *line) { if (m_attachmentMode == ATTACHMENT_MODE_BRANCHING) return wxShape::GetAttachmentPosition(attachment, x, y, nth, no_arcs, line); if (m_attachmentMode != ATTACHMENT_MODE_NONE) { double top = (double)(m_ypos + m_height/2.0); double bottom = (double)(m_ypos - m_height/2.0); double left = (double)(m_xpos - m_width/2.0); double right = (double)(m_xpos + m_width/2.0); int physicalAttachment = LogicalToPhysicalAttachment(attachment); switch (physicalAttachment) { case 0: { if (m_spaceAttachments) *x = left + (nth + 1)*m_width/(no_arcs + 1); else *x = m_xpos; *y = top; // We now have the point on the bounding box: but get the point on the ellipse // by imagining a vertical line from (*x, m_ypos - m_height- 500) to (*x, m_ypos) intersecting // the ellipse. oglDrawArcToEllipse(m_xpos, m_ypos, m_width, m_height, *x, (double)(m_ypos-m_height-500), *x, m_ypos, x, y); break; } case 1: { *x = right; if (m_spaceAttachments) *y = bottom + (nth + 1)*m_height/(no_arcs + 1); else *y = m_ypos; oglDrawArcToEllipse(m_xpos, m_ypos, m_width, m_height, (double)(m_xpos+m_width+500), *y, m_xpos, *y, x, y); break; } case 2: { if (m_spaceAttachments) *x = left + (nth + 1)*m_width/(no_arcs + 1); else *x = m_xpos; *y = bottom; oglDrawArcToEllipse(m_xpos, m_ypos, m_width, m_height, *x, (double)(m_ypos+m_height+500), *x, m_ypos, x, y); break; } case 3: { *x = left; if (m_spaceAttachments) *y = bottom + (nth + 1)*m_height/(no_arcs + 1); else *y = m_ypos; oglDrawArcToEllipse(m_xpos, m_ypos, m_width, m_height, (double)(m_xpos-m_width-500), *y, m_xpos, *y, x, y); break; } default: { return wxShape::GetAttachmentPosition(attachment, x, y, nth, no_arcs, line); } } return true; } else { *x = m_xpos; *y = m_ypos; return true; } } // Circle object IMPLEMENT_DYNAMIC_CLASS(wxCircleShape, wxEllipseShape) wxCircleShape::wxCircleShape(double diameter):wxEllipseShape(diameter, diameter) { SetMaintainAspectRatio(true); } void wxCircleShape::Copy(wxShape& copy) { wxEllipseShape::Copy(copy); } bool wxCircleShape::GetPerimeterPoint(double WXUNUSED(x1), double WXUNUSED(y1), double x2, double y2, double *x3, double *y3) { oglFindEndForCircle(m_width/2, m_xpos, m_ypos, // Centre of circle x2, y2, // Other end of line x3, y3); return true; } // Control points double wxControlPoint::sm_controlPointDragStartX = 0.0; double wxControlPoint::sm_controlPointDragStartY = 0.0; double wxControlPoint::sm_controlPointDragStartWidth = 0.0; double wxControlPoint::sm_controlPointDragStartHeight = 0.0; double wxControlPoint::sm_controlPointDragEndWidth = 0.0; double wxControlPoint::sm_controlPointDragEndHeight = 0.0; double wxControlPoint::sm_controlPointDragPosX = 0.0; double wxControlPoint::sm_controlPointDragPosY = 0.0; IMPLEMENT_DYNAMIC_CLASS(wxControlPoint, wxRectangleShape) wxControlPoint::wxControlPoint(wxShapeCanvas *theCanvas, wxShape *object, double size, double the_xoffset, double the_yoffset, int the_type):wxRectangleShape(size, size) { m_canvas = theCanvas; m_shape = object; m_xoffset = the_xoffset; m_yoffset = the_yoffset; m_type = the_type; SetPen(g_oglBlackForegroundPen); SetBrush(wxBLACK_BRUSH); m_oldCursor = NULL; m_visible = true; m_eraseObject = true; } wxControlPoint::~wxControlPoint() { } // Don't even attempt to draw any text - waste of time! void wxControlPoint::OnDrawContents(wxDC& WXUNUSED(dc)) { } void wxControlPoint::OnDraw(wxDC& dc) { m_xpos = m_shape->GetX() + m_xoffset; m_ypos = m_shape->GetY() + m_yoffset; wxRectangleShape::OnDraw(dc); } void wxControlPoint::OnErase(wxDC& dc) { wxRectangleShape::OnErase(dc); } // Implement resizing of canvas object void wxControlPoint::OnDragLeft(bool draw, double x, double y, int keys, int attachment) { m_shape->GetEventHandler()->OnSizingDragLeft(this, draw, x, y, keys, attachment); } void wxControlPoint::OnBeginDragLeft(double x, double y, int keys, int attachment) { m_shape->GetEventHandler()->OnSizingBeginDragLeft(this, x, y, keys, attachment); } void wxControlPoint::OnEndDragLeft(double x, double y, int keys, int attachment) { m_shape->GetEventHandler()->OnSizingEndDragLeft(this, x, y, keys, attachment); } int wxControlPoint::GetNumberOfAttachments() const { return 1; } bool wxControlPoint::GetAttachmentPosition(int WXUNUSED(attachment), double *x, double *y, int WXUNUSED(nth), int WXUNUSED(no_arcs), wxLineShape *WXUNUSED(line)) { *x = m_xpos; *y = m_ypos; return true; } // Control points ('handles') redirect control to the actual shape, to make it easier // to override sizing behaviour. void wxShape::OnSizingDragLeft(wxControlPoint* pt, bool WXUNUSED(draw), double x, double y, int keys, int WXUNUSED(attachment)) { double bound_x; double bound_y; this->GetBoundingBoxMin(&bound_x, &bound_y); wxClientDC dc(GetCanvas()); GetCanvas()->PrepareDC(dc); dc.SetLogicalFunction(OGLRBLF); wxPen dottedPen(*wxBLACK, 1, wxDOT); dc.SetPen(dottedPen); dc.SetBrush((* wxTRANSPARENT_BRUSH)); if (this->GetCentreResize()) { // Maintain the same centre point. double new_width = (double)(2.0*fabs(x - this->GetX())); double new_height = (double)(2.0*fabs(y - this->GetY())); // Constrain sizing according to what control point you're dragging if (pt->m_type == CONTROL_POINT_HORIZONTAL) { if (GetMaintainAspectRatio()) { new_height = bound_y*(new_width/bound_x); } else new_height = bound_y; } else if (pt->m_type == CONTROL_POINT_VERTICAL) { if (GetMaintainAspectRatio()) { new_width = bound_x*(new_height/bound_y); } else new_width = bound_x; } else if (pt->m_type == CONTROL_POINT_DIAGONAL && (keys & KEY_SHIFT)) new_height = bound_y*(new_width/bound_x); if (this->GetFixedWidth()) new_width = bound_x; if (this->GetFixedHeight()) new_height = bound_y; pt->sm_controlPointDragEndWidth = new_width; pt->sm_controlPointDragEndHeight = new_height; this->GetEventHandler()->OnDrawOutline(dc, this->GetX(), this->GetY(), new_width, new_height); } else { // Don't maintain the same centre point! double newX1 = wxMin(pt->sm_controlPointDragStartX, x); double newY1 = wxMin(pt->sm_controlPointDragStartY, y); double newX2 = wxMax(pt->sm_controlPointDragStartX, x); double newY2 = wxMax(pt->sm_controlPointDragStartY, y); if (pt->m_type == CONTROL_POINT_HORIZONTAL) { newY1 = pt->sm_controlPointDragStartY; newY2 = newY1 + pt->sm_controlPointDragStartHeight; } else if (pt->m_type == CONTROL_POINT_VERTICAL) { newX1 = pt->sm_controlPointDragStartX; newX2 = newX1 + pt->sm_controlPointDragStartWidth; } else if (pt->m_type == CONTROL_POINT_DIAGONAL && ((keys & KEY_SHIFT) || GetMaintainAspectRatio())) { double newH = (double)((newX2 - newX1)*(pt->sm_controlPointDragStartHeight/pt->sm_controlPointDragStartWidth)); if (GetY() > pt->sm_controlPointDragStartY) newY2 = (double)(newY1 + newH); else newY1 = (double)(newY2 - newH); } double newWidth = (double)(newX2 - newX1); double newHeight = (double)(newY2 - newY1); if (pt->m_type == CONTROL_POINT_VERTICAL && GetMaintainAspectRatio()) { newWidth = bound_x * (newHeight/bound_y) ; } if (pt->m_type == CONTROL_POINT_HORIZONTAL && GetMaintainAspectRatio()) { newHeight = bound_y * (newWidth/bound_x) ; } pt->sm_controlPointDragPosX = (double)(newX1 + (newWidth/2.0)); pt->sm_controlPointDragPosY = (double)(newY1 + (newHeight/2.0)); if (this->GetFixedWidth()) newWidth = bound_x; if (this->GetFixedHeight()) newHeight = bound_y; pt->sm_controlPointDragEndWidth = newWidth; pt->sm_controlPointDragEndHeight = newHeight; this->GetEventHandler()->OnDrawOutline(dc, pt->sm_controlPointDragPosX, pt->sm_controlPointDragPosY, newWidth, newHeight); } } void wxShape::OnSizingBeginDragLeft(wxControlPoint* pt, double x, double y, int keys, int WXUNUSED(attachment)) { m_canvas->CaptureMouse(); wxClientDC dc(GetCanvas()); GetCanvas()->PrepareDC(dc); /* if (pt->m_eraseObject) this->Erase(dc); */ dc.SetLogicalFunction(OGLRBLF); double bound_x; double bound_y; this->GetBoundingBoxMin(&bound_x, &bound_y); this->GetEventHandler()->OnBeginSize(bound_x, bound_y); // Choose the 'opposite corner' of the object as the stationary // point in case this is non-centring resizing. if (pt->GetX() < this->GetX()) pt->sm_controlPointDragStartX = (double)(this->GetX() + (bound_x/2.0)); else pt->sm_controlPointDragStartX = (double)(this->GetX() - (bound_x/2.0)); if (pt->GetY() < this->GetY()) pt->sm_controlPointDragStartY = (double)(this->GetY() + (bound_y/2.0)); else pt->sm_controlPointDragStartY = (double)(this->GetY() - (bound_y/2.0)); if (pt->m_type == CONTROL_POINT_HORIZONTAL) pt->sm_controlPointDragStartY = (double)(this->GetY() - (bound_y/2.0)); else if (pt->m_type == CONTROL_POINT_VERTICAL) pt->sm_controlPointDragStartX = (double)(this->GetX() - (bound_x/2.0)); // We may require the old width and height. pt->sm_controlPointDragStartWidth = bound_x; pt->sm_controlPointDragStartHeight = bound_y; wxPen dottedPen(*wxBLACK, 1, wxDOT); dc.SetPen(dottedPen); dc.SetBrush((* wxTRANSPARENT_BRUSH)); if (this->GetCentreResize()) { double new_width = (double)(2.0*fabs(x - this->GetX())); double new_height = (double)(2.0*fabs(y - this->GetY())); // Constrain sizing according to what control point you're dragging if (pt->m_type == CONTROL_POINT_HORIZONTAL) { if (GetMaintainAspectRatio()) { new_height = bound_y*(new_width/bound_x); } else new_height = bound_y; } else if (pt->m_type == CONTROL_POINT_VERTICAL) { if (GetMaintainAspectRatio()) { new_width = bound_x*(new_height/bound_y); } else new_width = bound_x; } else if (pt->m_type == CONTROL_POINT_DIAGONAL && (keys & KEY_SHIFT)) new_height = bound_y*(new_width/bound_x); if (this->GetFixedWidth()) new_width = bound_x; if (this->GetFixedHeight()) new_height = bound_y; pt->sm_controlPointDragEndWidth = new_width; pt->sm_controlPointDragEndHeight = new_height; this->GetEventHandler()->OnDrawOutline(dc, this->GetX(), this->GetY(), new_width, new_height); } else { // Don't maintain the same centre point! double newX1 = wxMin(pt->sm_controlPointDragStartX, x); double newY1 = wxMin(pt->sm_controlPointDragStartY, y); double newX2 = wxMax(pt->sm_controlPointDragStartX, x); double newY2 = wxMax(pt->sm_controlPointDragStartY, y); if (pt->m_type == CONTROL_POINT_HORIZONTAL) { newY1 = pt->sm_controlPointDragStartY; newY2 = newY1 + pt->sm_controlPointDragStartHeight; } else if (pt->m_type == CONTROL_POINT_VERTICAL) { newX1 = pt->sm_controlPointDragStartX; newX2 = newX1 + pt->sm_controlPointDragStartWidth; } else if (pt->m_type == CONTROL_POINT_DIAGONAL && ((keys & KEY_SHIFT) || GetMaintainAspectRatio())) { double newH = (double)((newX2 - newX1)*(pt->sm_controlPointDragStartHeight/pt->sm_controlPointDragStartWidth)); if (pt->GetY() > pt->sm_controlPointDragStartY) newY2 = (double)(newY1 + newH); else newY1 = (double)(newY2 - newH); } double newWidth = (double)(newX2 - newX1); double newHeight = (double)(newY2 - newY1); if (pt->m_type == CONTROL_POINT_VERTICAL && GetMaintainAspectRatio()) { newWidth = bound_x * (newHeight/bound_y) ; } if (pt->m_type == CONTROL_POINT_HORIZONTAL && GetMaintainAspectRatio()) { newHeight = bound_y * (newWidth/bound_x) ; } pt->sm_controlPointDragPosX = (double)(newX1 + (newWidth/2.0)); pt->sm_controlPointDragPosY = (double)(newY1 + (newHeight/2.0)); if (this->GetFixedWidth()) newWidth = bound_x; if (this->GetFixedHeight()) newHeight = bound_y; pt->sm_controlPointDragEndWidth = newWidth; pt->sm_controlPointDragEndHeight = newHeight; this->GetEventHandler()->OnDrawOutline(dc, pt->sm_controlPointDragPosX, pt->sm_controlPointDragPosY, newWidth, newHeight); } } void wxShape::OnSizingEndDragLeft(wxControlPoint* pt, double WXUNUSED(x), double WXUNUSED(y), int WXUNUSED(keys), int WXUNUSED(attachment)) { wxClientDC dc(GetCanvas()); GetCanvas()->PrepareDC(dc); m_canvas->ReleaseMouse(); dc.SetLogicalFunction(wxCOPY); this->Recompute(); this->ResetControlPoints(); this->Erase(dc); /* if (!pt->m_eraseObject) this->Show(false); */ this->SetSize(pt->sm_controlPointDragEndWidth, pt->sm_controlPointDragEndHeight); // The next operation could destroy this control point (it does for label objects, // via formatting the text), so save all values we're going to use, or // we'll be accessing garbage. wxShape *theObject = this; wxShapeCanvas *theCanvas = m_canvas; bool eraseIt = pt->m_eraseObject; if (theObject->GetCentreResize()) theObject->Move(dc, theObject->GetX(), theObject->GetY()); else theObject->Move(dc, pt->sm_controlPointDragPosX, pt->sm_controlPointDragPosY); /* if (!eraseIt) theObject->Show(true); */ // Recursively redraw links if we have a composite. if (theObject->GetChildren().GetCount() > 0) theObject->DrawLinks(dc, -1, true); double width, height; theObject->GetBoundingBoxMax(&width, &height); theObject->GetEventHandler()->OnEndSize(width, height); if (!theCanvas->GetQuickEditMode() && eraseIt) theCanvas->Redraw(dc); } // Polygon control points IMPLEMENT_DYNAMIC_CLASS(wxPolygonControlPoint, wxControlPoint) wxPolygonControlPoint::wxPolygonControlPoint(wxShapeCanvas *theCanvas, wxShape *object, double size, wxRealPoint *vertex, double the_xoffset, double the_yoffset): wxControlPoint(theCanvas, object, size, the_xoffset, the_yoffset, 0) { m_polygonVertex = vertex; m_originalDistance = 0.0; } wxPolygonControlPoint::~wxPolygonControlPoint() { } // Calculate what new size would be, at end of resize void wxPolygonControlPoint::CalculateNewSize(double x, double y) { double bound_x; double bound_y; GetShape()->GetBoundingBoxMin(&bound_x, &bound_y); double dist = (double)sqrt((x - m_shape->GetX())*(x - m_shape->GetX()) + (y - m_shape->GetY())*(y - m_shape->GetY())); m_newSize.x = (double)(dist/this->m_originalDistance)*this->m_originalSize.x; m_newSize.y = (double)(dist/this->m_originalDistance)*this->m_originalSize.y; } // Implement resizing polygon or moving the vertex. void wxPolygonControlPoint::OnDragLeft(bool draw, double x, double y, int keys, int attachment) { m_shape->GetEventHandler()->OnSizingDragLeft(this, draw, x, y, keys, attachment); } void wxPolygonControlPoint::OnBeginDragLeft(double x, double y, int keys, int attachment) { m_shape->GetEventHandler()->OnSizingBeginDragLeft(this, x, y, keys, attachment); } void wxPolygonControlPoint::OnEndDragLeft(double x, double y, int keys, int attachment) { m_shape->GetEventHandler()->OnSizingEndDragLeft(this, x, y, keys, attachment); } // Control points ('handles') redirect control to the actual shape, to make it easier // to override sizing behaviour. void wxPolygonShape::OnSizingDragLeft(wxControlPoint* pt, bool WXUNUSED(draw), double x, double y, int WXUNUSED(keys), int WXUNUSED(attachment)) { wxPolygonControlPoint* ppt = (wxPolygonControlPoint*) pt; wxClientDC dc(GetCanvas()); GetCanvas()->PrepareDC(dc); dc.SetLogicalFunction(OGLRBLF); wxPen dottedPen(*wxBLACK, 1, wxDOT); dc.SetPen(dottedPen); dc.SetBrush((* wxTRANSPARENT_BRUSH)); #if 0 // keys & KEY_CTRL) { // TODO: mend this code. Currently we rely on altering the // actual points, but we should assume we're not, as per // the normal sizing case. m_canvas->Snap(&x, &y); // Move point ppt->m_polygonVertex->x = x - this->GetX(); ppt->m_polygonVertex->y = y - this->GetY(); ppt->SetX(x); ppt->SetY(y); ((wxPolygonShape *)this)->CalculateBoundingBox(); ((wxPolygonShape *)this)->CalculatePolygonCentre(); } #else { ppt->CalculateNewSize(x, y); } #endif this->GetEventHandler()->OnDrawOutline(dc, this->GetX(), this->GetY(), ppt->GetNewSize().x, ppt->GetNewSize().y); } void wxPolygonShape::OnSizingBeginDragLeft(wxControlPoint* pt, double x, double y, int WXUNUSED(keys), int WXUNUSED(attachment)) { wxPolygonControlPoint* ppt = (wxPolygonControlPoint*) pt; wxClientDC dc(GetCanvas()); GetCanvas()->PrepareDC(dc); this->Erase(dc); dc.SetLogicalFunction(OGLRBLF); double bound_x; double bound_y; this->GetBoundingBoxMin(&bound_x, &bound_y); double dist = (double)sqrt((x - this->GetX())*(x - this->GetX()) + (y - this->GetY())*(y - this->GetY())); ppt->m_originalDistance = dist; ppt->m_originalSize.x = bound_x; ppt->m_originalSize.y = bound_y; if (ppt->m_originalDistance == 0.0) ppt->m_originalDistance = (double) 0.0001; wxPen dottedPen(*wxBLACK, 1, wxDOT); dc.SetPen(dottedPen); dc.SetBrush((* wxTRANSPARENT_BRUSH)); #if 0 // keys & KEY_CTRL) { // TODO: mend this code. Currently we rely on altering the // actual points, but we should assume we're not, as per // the normal sizing case. m_canvas->Snap(&x, &y); // Move point ppt->m_polygonVertex->x = x - this->GetX(); ppt->m_polygonVertex->y = y - this->GetY(); ppt->SetX(x); ppt->SetY(y); ((wxPolygonShape *)this)->CalculateBoundingBox(); ((wxPolygonShape *)this)->CalculatePolygonCentre(); } #else { ppt->CalculateNewSize(x, y); } #endif this->GetEventHandler()->OnDrawOutline(dc, this->GetX(), this->GetY(), ppt->GetNewSize().x, ppt->GetNewSize().y); m_canvas->CaptureMouse(); } void wxPolygonShape::OnSizingEndDragLeft(wxControlPoint* pt, double WXUNUSED(x), double WXUNUSED(y), int keys, int WXUNUSED(attachment)) { wxPolygonControlPoint* ppt = (wxPolygonControlPoint*) pt; wxClientDC dc(GetCanvas()); GetCanvas()->PrepareDC(dc); m_canvas->ReleaseMouse(); dc.SetLogicalFunction(wxCOPY); // If we're changing shape, must reset the original points if (keys & KEY_CTRL) { ((wxPolygonShape *)this)->CalculateBoundingBox(); ((wxPolygonShape *)this)->UpdateOriginalPoints(); } else { SetSize(ppt->GetNewSize().x, ppt->GetNewSize().y); } ((wxPolygonShape *)this)->CalculateBoundingBox(); ((wxPolygonShape *)this)->CalculatePolygonCentre(); this->Recompute(); this->ResetControlPoints(); this->Move(dc, this->GetX(), this->GetY()); if (!m_canvas->GetQuickEditMode()) m_canvas->Redraw(dc); } /* * Object region * */ IMPLEMENT_DYNAMIC_CLASS(wxShapeRegion, wxObject) wxShapeRegion::wxShapeRegion() { m_regionText = wxEmptyString; m_font = g_oglNormalFont; m_minHeight = 5.0; m_minWidth = 5.0; m_width = 0.0; m_height = 0.0; m_x = 0.0; m_y = 0.0; m_regionProportionX = -1.0; m_regionProportionY = -1.0; m_formatMode = FORMAT_CENTRE_HORIZ | FORMAT_CENTRE_VERT; m_regionName = wxEmptyString; m_textColour = wxT("BLACK"); m_penColour = wxT("BLACK"); m_penStyle = wxSOLID; m_actualColourObject = wxTheColourDatabase->Find(wxT("BLACK")); m_actualPenObject = NULL; } wxShapeRegion::wxShapeRegion(wxShapeRegion& region):wxObject() { m_regionText = region.m_regionText; m_regionName = region.m_regionName; m_textColour = region.m_textColour; m_font = region.m_font; m_minHeight = region.m_minHeight; m_minWidth = region.m_minWidth; m_width = region.m_width; m_height = region.m_height; m_x = region.m_x; m_y = region.m_y; m_regionProportionX = region.m_regionProportionX; m_regionProportionY = region.m_regionProportionY; m_formatMode = region.m_formatMode; m_actualColourObject = region.m_actualColourObject; m_actualPenObject = NULL; m_penStyle = region.m_penStyle; m_penColour = region.m_penColour; ClearText(); wxObjectList::compatibility_iterator node = region.m_formattedText.GetFirst(); while (node) { wxShapeTextLine *line = (wxShapeTextLine *)node->GetData(); wxShapeTextLine *new_line = new wxShapeTextLine(line->GetX(), line->GetY(), line->GetText()); m_formattedText.Append(new_line); node = node->GetNext(); } } wxShapeRegion::~wxShapeRegion() { ClearText(); } void wxShapeRegion::ClearText() { wxObjectList::compatibility_iterator node = m_formattedText.GetFirst(); while (node) { wxShapeTextLine *line = (wxShapeTextLine *)node->GetData(); wxObjectList::compatibility_iterator next = node->GetNext(); delete line; m_formattedText.Erase(node); node = next; } } void wxShapeRegion::SetFont(wxFont *f) { m_font = f; } void wxShapeRegion::SetMinSize(double w, double h) { m_minWidth = w; m_minHeight = h; } void wxShapeRegion::SetSize(double w, double h) { m_width = w; m_height = h; } void wxShapeRegion::SetPosition(double xp, double yp) { m_x = xp; m_y = yp; } void wxShapeRegion::SetProportions(double xp, double yp) { m_regionProportionX = xp; m_regionProportionY = yp; } void wxShapeRegion::SetFormatMode(int mode) { m_formatMode = mode; } void wxShapeRegion::SetColour(const wxString& col) { m_textColour = col; m_actualColourObject = col; } wxColour wxShapeRegion::GetActualColourObject() { m_actualColourObject = wxTheColourDatabase->Find(GetColour()); return m_actualColourObject; } void wxShapeRegion::SetPenColour(const wxString& col) { m_penColour = col; m_actualPenObject = NULL; } // Returns NULL if the pen is invisible // (different to pen being transparent; indicates that // region boundary should not be drawn.) wxPen *wxShapeRegion::GetActualPen() { if (m_actualPenObject) return m_actualPenObject; if (!m_penColour) return NULL; if (m_penColour == wxT("Invisible")) return NULL; m_actualPenObject = wxThePenList->FindOrCreatePen(m_penColour, 1, m_penStyle); return m_actualPenObject; }