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basic2.cpp
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/////////////////////////////////////////////////////////////////////////////
// Name: basic2.cpp
// Purpose: Basic OGL classes (2)
// Author: Julian Smart
// Modified by:
// Created: 12/07/98
// RCS-ID: $Id: basic2.cpp,v 1.1 2007/03/28 15:15:56 frm Exp $
// 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 <stdio.h>
#include <ctype.h>
#include <math.h>
#include "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("x", m_xpos);
clause->AddAttributeValue("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("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("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("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("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("x", m_xpos);
clause->AddAttributeValue("y", m_ypos);
clause->AddAttributeValue("width", m_width);
clause->AddAttributeValue("height", m_height);
if (m_cornerRadius != 0.0)
clause->AddAttributeValue("corner", m_cornerRadius);
}
void wxRectangleShape::ReadAttributes(wxExpr *clause)
{
wxShape::ReadAttributes(clause);
clause->AssignAttributeValue("width", &m_width);
clause->AssignAttributeValue("height", &m_height);
clause->AssignAttributeValue("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);