--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: drawn.cpp
+// Purpose: wxDrawnShape
+// Author: Julian Smart
+// Modified by:
+// Created: 12/07/98
+// RCS-ID: $Id$
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "drawn.h"
+#pragma implementation "drawnp.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>
+
+#include <wx/ogl/basic.h>
+#include <wx/ogl/basicp.h>
+#include <wx/ogl/canvas.h>
+#include <wx/ogl/mfutils.h>
+#include <wx/ogl/drawn.h>
+#include <wx/ogl/drawnp.h>
+#include <wx/ogl/misc.h>
+
+static void IntToHex(unsigned int dec, char *buf);
+static unsigned long HexToInt(char *buf);
+extern char *oglBuffer;
+
+#define gyTYPE_PEN 40
+#define gyTYPE_BRUSH 41
+#define gyTYPE_FONT 42
+
+/*
+ * Drawn object
+ *
+ */
+
+IMPLEMENT_DYNAMIC_CLASS(wxDrawnShape, wxRectangleShape)
+
+wxDrawnShape::wxDrawnShape():wxRectangleShape(100.0, 50.0)
+{
+ m_saveToFile = TRUE;
+ m_currentAngle = oglDRAWN_ANGLE_0;
+}
+
+wxDrawnShape::~wxDrawnShape()
+{
+}
+
+void wxDrawnShape::OnDraw(wxDC& dc)
+{
+ // Pass pen and brush in case we have force outline
+ // and fill colours
+ if (m_shadowMode != SHADOW_NONE)
+ {
+ if (m_shadowBrush)
+ m_metafiles[m_currentAngle].m_fillBrush = m_shadowBrush;
+ m_metafiles[m_currentAngle].m_outlinePen = g_oglTransparentPen;
+ m_metafiles[m_currentAngle].Draw(dc, m_xpos + m_shadowOffsetX, m_ypos + m_shadowOffsetY);
+ }
+
+ m_metafiles[m_currentAngle].m_outlinePen = m_pen;
+ m_metafiles[m_currentAngle].m_fillBrush = m_brush;
+ m_metafiles[m_currentAngle].Draw(dc, m_xpos, m_ypos);
+}
+
+void wxDrawnShape::SetSize(double w, double h, bool recursive)
+{
+ SetAttachmentSize(w, h);
+
+ double scaleX;
+ double scaleY;
+ if (GetWidth() == 0.0)
+ scaleX = 1.0;
+ else scaleX = w/GetWidth();
+ if (GetHeight() == 0.0)
+ scaleY = 1.0;
+ else scaleY = h/GetHeight();
+
+ int i = 0;
+ for (i = 0; i < 4; i++)
+ {
+ if (m_metafiles[i].IsValid())
+ m_metafiles[i].Scale(scaleX, scaleY);
+ }
+ m_width = w;
+ m_height = h;
+ SetDefaultRegionSize();
+}
+
+void wxDrawnShape::Scale(double sx, double sy)
+{
+ int i;
+ for (i = 0; i < 4; i++)
+ {
+ if (m_metafiles[i].IsValid())
+ {
+ m_metafiles[i].Scale(sx, sy);
+ m_metafiles[i].CalculateSize(this);
+ }
+ }
+}
+
+void wxDrawnShape::Translate(double x, double y)
+{
+ int i;
+ for (i = 0; i < 4; i++)
+ {
+ if (m_metafiles[i].IsValid())
+ {
+ m_metafiles[i].Translate(x, y);
+ m_metafiles[i].CalculateSize(this);
+ }
+ }
+}
+
+// theta is absolute rotation from the zero position
+void wxDrawnShape::Rotate(double x, double y, double theta)
+{
+ m_currentAngle = DetermineMetaFile(theta);
+
+ if (m_currentAngle == 0)
+ {
+ // Rotate metafile
+ if (!m_metafiles[0].GetRotateable())
+ return;
+
+ m_metafiles[0].Rotate(x, y, theta);
+ }
+
+ double actualTheta = theta-m_rotation;
+
+ // Rotate attachment points
+ double sinTheta = (double)sin(actualTheta);
+ double cosTheta = (double)cos(actualTheta);
+ wxNode *node = m_attachmentPoints.First();
+ while (node)
+ {
+ wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
+ 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->Next();
+ }
+ m_rotation = theta;
+
+ m_metafiles[m_currentAngle].CalculateSize(this);
+}
+
+// Which metafile do we use now? Based on current rotation and validity
+// of metafiles.
+
+int wxDrawnShape::DetermineMetaFile(double rotation)
+{
+ double tolerance = 0.0001;
+ const double pi = 3.1415926535897932384626433832795 ;
+ double angle1 = 0.0;
+ double angle2 = pi/2.0;
+ double angle3 = pi;
+ double angle4 = 3.0*pi/2.0;
+
+ int whichMetafile = 0;
+
+ if (oglRoughlyEqual(rotation, angle1, tolerance))
+ {
+ whichMetafile = 0;
+ }
+ else if (oglRoughlyEqual(rotation, angle2, tolerance))
+ {
+ whichMetafile = 1;
+ }
+ else if (oglRoughlyEqual(rotation, angle3, tolerance))
+ {
+ whichMetafile = 2;
+ }
+ else if (oglRoughlyEqual(rotation, angle4, tolerance))
+ {
+ whichMetafile = 3;
+ }
+
+ if ((whichMetafile > 0) && !m_metafiles[whichMetafile].IsValid())
+ whichMetafile = 0;
+
+ return whichMetafile;
+}
+
+void wxDrawnShape::OnDrawOutline(wxDC& dc, double x, double y, double w, double h)
+{
+ if (m_metafiles[m_currentAngle].GetOutlineOp() != -1)
+ {
+ wxNode* node = m_metafiles[m_currentAngle].GetOps().Nth(m_metafiles[m_currentAngle].GetOutlineOp());
+ wxASSERT (node != NULL);
+ wxDrawOp* op = (wxDrawOp*) node->Data();
+
+ if (op->OnDrawOutline(dc, x, y, w, h, m_width, m_height))
+ return;
+ }
+
+ // Default... just use a rectangle
+ wxRectangleShape::OnDrawOutline(dc, x, y, w, h);
+}
+
+// Get the perimeter point using the special outline op, if there is one,
+// otherwise use default wxRectangleShape scheme
+bool wxDrawnShape::GetPerimeterPoint(double x1, double y1,
+ double x2, double y2,
+ double *x3, double *y3)
+{
+ if (m_metafiles[m_currentAngle].GetOutlineOp() != -1)
+ {
+ wxNode* node = m_metafiles[m_currentAngle].GetOps().Nth(m_metafiles[m_currentAngle].GetOutlineOp());
+ wxASSERT (node != NULL);
+ wxDrawOp* op = (wxDrawOp*) node->Data();
+
+ if (op->GetPerimeterPoint(x1, y1, x2, y2, x3, y3, GetX(), GetY(), GetAttachmentMode()))
+ return TRUE;
+ }
+
+ // Default... just use a rectangle
+ return wxRectangleShape::GetPerimeterPoint(x1, y1, x2, y2, x3, y3);
+}
+
+#ifdef PROLOGIO
+void wxDrawnShape::WriteAttributes(wxExpr *clause)
+{
+ wxRectangleShape::WriteAttributes(clause);
+
+ clause->AddAttributeValue("current_angle", (long)m_currentAngle);
+ clause->AddAttributeValue("save_metafile", (long)m_saveToFile);
+ if (m_saveToFile)
+ {
+ int i = 0;
+ for (i = 0; i < 4; i++)
+ {
+ if (m_metafiles[i].IsValid())
+ m_metafiles[i].WriteAttributes(clause, i);
+ }
+ }
+}
+
+void wxDrawnShape::ReadAttributes(wxExpr *clause)
+{
+ wxRectangleShape::ReadAttributes(clause);
+
+ int iVal = (int) m_saveToFile;
+ clause->GetAttributeValue("save_metafile", iVal);
+ clause->GetAttributeValue("current_angle", m_currentAngle);
+ m_saveToFile = (iVal != 0);
+
+ if (m_saveToFile)
+ {
+ int i = 0;
+ for (i = 0; i < 4; i++)
+ {
+ m_metafiles[i].ReadAttributes(clause, i);
+ }
+ }
+}
+#endif
+
+// Does the copying for this object
+void wxDrawnShape::Copy(wxShape& copy)
+{
+ wxRectangleShape::Copy(copy);
+
+ wxASSERT( copy.IsKindOf(CLASSINFO(wxDrawnShape)) ) ;
+
+ wxDrawnShape& drawnCopy = (wxDrawnShape&) copy;
+
+ int i = 0;
+ for (i = 0; i < 4; i++)
+ {
+ m_metafiles[i].Copy(drawnCopy.m_metafiles[i]);
+ }
+ drawnCopy.m_saveToFile = m_saveToFile;
+ drawnCopy.m_currentAngle = m_currentAngle;
+}
+
+bool wxDrawnShape::LoadFromMetaFile(char *filename)
+{
+ return m_metafiles[0].LoadFromMetaFile(filename, &m_width, &m_height);
+}
+
+// Set of functions for drawing into a pseudo metafile.
+// They use integers, but doubles are used internally for accuracy
+// when scaling.
+
+void wxDrawnShape::DrawLine(const wxPoint& pt1, const wxPoint& pt2)
+{
+ m_metafiles[m_currentAngle].DrawLine(pt1, pt2);
+}
+
+void wxDrawnShape::DrawRectangle(const wxRect& rect)
+{
+ m_metafiles[m_currentAngle].DrawRectangle(rect);
+}
+
+void wxDrawnShape::DrawRoundedRectangle(const wxRect& rect, double radius)
+{
+ m_metafiles[m_currentAngle].DrawRoundedRectangle(rect, radius);
+}
+
+void wxDrawnShape::DrawEllipse(const wxRect& rect)
+{
+ m_metafiles[m_currentAngle].DrawEllipse(rect);
+}
+
+void wxDrawnShape::DrawArc(const wxPoint& centrePt, const wxPoint& startPt, const wxPoint& endPt)
+{
+ m_metafiles[m_currentAngle].DrawArc(centrePt, startPt, endPt);
+}
+
+void wxDrawnShape::DrawEllipticArc(const wxRect& rect, double startAngle, double endAngle)
+{
+ m_metafiles[m_currentAngle].DrawEllipticArc(rect, startAngle, endAngle);
+}
+
+void wxDrawnShape::DrawPoint(const wxPoint& pt)
+{
+ m_metafiles[m_currentAngle].DrawPoint(pt);
+}
+
+void wxDrawnShape::DrawText(const wxString& text, const wxPoint& pt)
+{
+ m_metafiles[m_currentAngle].DrawText(text, pt);
+}
+
+void wxDrawnShape::DrawLines(int n, wxPoint pts[])
+{
+ m_metafiles[m_currentAngle].DrawLines(n, pts);
+}
+
+void wxDrawnShape::DrawPolygon(int n, wxPoint pts[], int flags)
+{
+ if (flags & oglMETAFLAGS_ATTACHMENTS)
+ {
+ ClearAttachments();
+ int i;
+ for (i = 0; i < n; i++)
+ m_attachmentPoints.Append(new wxAttachmentPoint(i, pts[i].x, pts[i].y));
+ }
+ m_metafiles[m_currentAngle].DrawPolygon(n, pts, flags);
+}
+
+void wxDrawnShape::DrawSpline(int n, wxPoint pts[])
+{
+ m_metafiles[m_currentAngle].DrawSpline(n, pts);
+}
+
+void wxDrawnShape::SetClippingRect(const wxRect& rect)
+{
+ m_metafiles[m_currentAngle].SetClippingRect(rect);
+}
+
+void wxDrawnShape::DestroyClippingRect()
+{
+ m_metafiles[m_currentAngle].DestroyClippingRect();
+}
+
+void wxDrawnShape::SetDrawnPen(wxPen* pen, bool isOutline)
+{
+ m_metafiles[m_currentAngle].SetPen(pen, isOutline);
+}
+
+void wxDrawnShape::SetDrawnBrush(wxBrush* brush, bool isFill)
+{
+ m_metafiles[m_currentAngle].SetBrush(brush, isFill);
+}
+
+void wxDrawnShape::SetDrawnFont(wxFont* font)
+{
+ m_metafiles[m_currentAngle].SetFont(font);
+}
+
+void wxDrawnShape::SetDrawnTextColour(const wxColour& colour)
+{
+ m_metafiles[m_currentAngle].SetTextColour(colour);
+}
+
+void wxDrawnShape::SetDrawnBackgroundColour(const wxColour& colour)
+{
+ m_metafiles[m_currentAngle].SetBackgroundColour(colour);
+}
+
+void wxDrawnShape::SetDrawnBackgroundMode(int mode)
+{
+ m_metafiles[m_currentAngle].SetBackgroundMode(mode);
+}
+
+
+/*
+ * Individual operations
+ *
+ */
+
+/*
+ * Set font, brush, text colour
+ *
+ */
+
+wxOpSetGDI::wxOpSetGDI(int theOp, wxPseudoMetaFile *theImage, int theGdiIndex, int theMode):
+ wxDrawOp(theOp)
+{
+ m_gdiIndex = theGdiIndex;
+ m_image = theImage;
+ m_mode = theMode;
+}
+
+void wxOpSetGDI::Do(wxDC& dc, double xoffset, double yoffset)
+{
+ switch (m_op)
+ {
+ case DRAWOP_SET_PEN:
+ {
+ // Check for overriding this operation for outline
+ // colour
+ if (m_image->m_outlineColours.Member((wxObject *)m_gdiIndex))
+ {
+ if (m_image->m_outlinePen)
+ dc.SetPen(* m_image->m_outlinePen);
+ }
+ else
+ {
+ wxNode *node = m_image->m_gdiObjects.Nth(m_gdiIndex);
+ if (node)
+ {
+ wxPen *pen = (wxPen *)node->Data();
+ if (pen)
+ dc.SetPen(* pen);
+ }
+ }
+ break;
+ }
+ case DRAWOP_SET_BRUSH:
+ {
+ // Check for overriding this operation for outline or fill
+ // colour
+ if (m_image->m_outlineColours.Member((wxObject *)m_gdiIndex))
+ {
+ // Need to construct a brush to match the outline pen's colour
+ if (m_image->m_outlinePen)
+ {
+ wxBrush *br = wxTheBrushList->FindOrCreateBrush(m_image->m_outlinePen->GetColour(), wxSOLID);
+ if (br)
+ dc.SetBrush(* br);
+ }
+ }
+ else if (m_image->m_fillColours.Member((wxObject *)m_gdiIndex))
+ {
+ if (m_image->m_fillBrush)
+ {
+ dc.SetBrush(* m_image->m_fillBrush);
+ }
+ }
+ else
+ {
+ wxNode *node = m_image->m_gdiObjects.Nth(m_gdiIndex);
+ if (node)
+ {
+ wxBrush *brush = (wxBrush *)node->Data();
+ if (brush)
+ dc.SetBrush(* brush);
+ }
+ }
+ break;
+ }
+ case DRAWOP_SET_FONT:
+ {
+ wxNode *node = m_image->m_gdiObjects.Nth(m_gdiIndex);
+ if (node)
+ {
+ wxFont *font = (wxFont *)node->Data();
+ if (font)
+ dc.SetFont(* font);
+ }
+ break;
+ }
+ case DRAWOP_SET_TEXT_COLOUR:
+ {
+ wxColour col(m_r,m_g,m_b);
+ dc.SetTextForeground(col);
+ break;
+ }
+ case DRAWOP_SET_BK_COLOUR:
+ {
+ wxColour col(m_r,m_g,m_b);
+ dc.SetTextBackground(col);
+ break;
+ }
+ case DRAWOP_SET_BK_MODE:
+ {
+ dc.SetBackgroundMode(m_mode);
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+wxDrawOp *wxOpSetGDI::Copy(wxPseudoMetaFile *newImage)
+{
+ wxOpSetGDI *newOp = new wxOpSetGDI(m_op, newImage, m_gdiIndex, m_mode);
+ newOp->m_r = m_r;
+ newOp->m_g = m_g;
+ newOp->m_b = m_b;
+ return newOp;
+}
+
+wxExpr *wxOpSetGDI::WriteExpr(wxPseudoMetaFile *image)
+{
+ wxExpr *expr = new wxExpr(wxExprList);
+ expr->Append(new wxExpr((long)m_op));
+ switch (m_op)
+ {
+ case DRAWOP_SET_PEN:
+ case DRAWOP_SET_BRUSH:
+ case DRAWOP_SET_FONT:
+ {
+ expr->Append(new wxExpr((long)m_gdiIndex));
+ break;
+ }
+ case DRAWOP_SET_TEXT_COLOUR:
+ case DRAWOP_SET_BK_COLOUR:
+ {
+ expr->Append(new wxExpr((long)m_r));
+ expr->Append(new wxExpr((long)m_g));
+ expr->Append(new wxExpr((long)m_b));
+ break;
+ }
+ case DRAWOP_SET_BK_MODE:
+ {
+ expr->Append(new wxExpr((long)m_mode));
+ break;
+ }
+ default:
+ break;
+ }
+ return expr;
+}
+
+void wxOpSetGDI::ReadExpr(wxPseudoMetaFile *image, wxExpr *expr)
+{
+ switch (m_op)
+ {
+ case DRAWOP_SET_PEN:
+ case DRAWOP_SET_BRUSH:
+ case DRAWOP_SET_FONT:
+ {
+ m_gdiIndex = (int)expr->Nth(1)->IntegerValue();
+ break;
+ }
+ case DRAWOP_SET_TEXT_COLOUR:
+ case DRAWOP_SET_BK_COLOUR:
+ {
+ m_r = (unsigned char)expr->Nth(1)->IntegerValue();
+ m_g = (unsigned char)expr->Nth(2)->IntegerValue();
+ m_b = (unsigned char)expr->Nth(3)->IntegerValue();
+ break;
+ }
+ case DRAWOP_SET_BK_MODE:
+ {
+ m_mode = (int)expr->Nth(1)->IntegerValue();
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+/*
+ * Set/destroy clipping
+ *
+ */
+
+wxOpSetClipping::wxOpSetClipping(int theOp, double theX1, double theY1,
+ double theX2, double theY2):wxDrawOp(theOp)
+{
+ m_x1 = theX1;
+ m_y1 = theY1;
+ m_x2 = theX2;
+ m_y2 = theY2;
+}
+
+wxDrawOp *wxOpSetClipping::Copy(wxPseudoMetaFile *newImage)
+{
+ wxOpSetClipping *newOp = new wxOpSetClipping(m_op, m_x1, m_y1, m_x2, m_y2);
+ return newOp;
+}
+
+void wxOpSetClipping::Do(wxDC& dc, double xoffset, double yoffset)
+{
+ switch (m_op)
+ {
+ case DRAWOP_SET_CLIPPING_RECT:
+ {
+ dc.SetClippingRegion((long)(m_x1 + xoffset), (long)(m_y1 + yoffset), (long)(m_x2 + xoffset), (long)(m_y2 + yoffset));
+ break;
+ }
+ case DRAWOP_DESTROY_CLIPPING_RECT:
+ {
+ dc.DestroyClippingRegion();
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+void wxOpSetClipping::Scale(double xScale, double yScale)
+{
+ m_x1 *= xScale;
+ m_y1 *= yScale;
+ m_x2 *= xScale;
+ m_y2 *= yScale;
+}
+
+void wxOpSetClipping::Translate(double x, double y)
+{
+ m_x1 += x;
+ m_y1 += y;
+}
+
+wxExpr *wxOpSetClipping::WriteExpr(wxPseudoMetaFile *image)
+{
+ wxExpr *expr = new wxExpr(wxExprList);
+ expr->Append(new wxExpr((long)m_op));
+ switch (m_op)
+ {
+ case DRAWOP_SET_CLIPPING_RECT:
+ {
+ expr->Append(new wxExpr(m_x1));
+ expr->Append(new wxExpr(m_y1));
+ expr->Append(new wxExpr(m_x2));
+ expr->Append(new wxExpr(m_y2));
+ break;
+ }
+ default:
+ break;
+ }
+ return expr;
+}
+
+void wxOpSetClipping::ReadExpr(wxPseudoMetaFile *image, wxExpr *expr)
+{
+ switch (m_op)
+ {
+ case DRAWOP_SET_CLIPPING_RECT:
+ {
+ m_x1 = expr->Nth(1)->RealValue();
+ m_y1 = expr->Nth(2)->RealValue();
+ m_x2 = expr->Nth(3)->RealValue();
+ m_y2 = expr->Nth(4)->RealValue();
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+/*
+ * Draw line, rectangle, rounded rectangle, ellipse, point, arc, text
+ *
+ */
+
+wxOpDraw::wxOpDraw(int theOp, double theX1, double theY1, double theX2, double theY2,
+ double theRadius, char *s):wxDrawOp(theOp)
+{
+ m_x1 = theX1;
+ m_y1 = theY1;
+ m_x2 = theX2;
+ m_y2 = theY2;
+ m_x3 = 0.0;
+ m_y3 = 0.0;
+ m_radius = theRadius;
+ if (s) m_textString = copystring(s);
+ else m_textString = NULL;
+}
+
+wxOpDraw::~wxOpDraw()
+{
+ if (m_textString) delete[] m_textString;
+}
+
+wxDrawOp *wxOpDraw::Copy(wxPseudoMetaFile *newImage)
+{
+ wxOpDraw *newOp = new wxOpDraw(m_op, m_x1, m_y1, m_x2, m_y2, m_radius, m_textString);
+ newOp->m_x3 = m_x3;
+ newOp->m_y3 = m_y3;
+ return newOp;
+}
+
+void wxOpDraw::Do(wxDC& dc, double xoffset, double yoffset)
+{
+ switch (m_op)
+ {
+ case DRAWOP_DRAW_LINE:
+ {
+ dc.DrawLine(WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset), WXROUND(m_x2+xoffset), WXROUND(m_y2+yoffset));
+ break;
+ }
+ case DRAWOP_DRAW_RECT:
+ {
+ dc.DrawRectangle(WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset), WXROUND(m_x2), WXROUND(m_y2));
+ break;
+ }
+ case DRAWOP_DRAW_ROUNDED_RECT:
+ {
+ dc.DrawRoundedRectangle(WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset), WXROUND(m_x2), WXROUND(m_y2), m_radius);
+ break;
+ }
+ case DRAWOP_DRAW_ELLIPSE:
+ {
+ dc.DrawEllipse(WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset), WXROUND(m_x2), WXROUND(m_y2));
+ break;
+ }
+ case DRAWOP_DRAW_ARC:
+ {
+ dc.DrawArc(WXROUND(m_x2+xoffset), WXROUND(m_y2+yoffset),
+ WXROUND(m_x3+xoffset), WXROUND(m_y3+yoffset),
+ WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset));
+ break;
+ }
+ case DRAWOP_DRAW_ELLIPTIC_ARC:
+ {
+ const double pi = 3.1415926535897932384626433832795 ;
+
+ // Convert back to degrees
+ dc.DrawEllipticArc(
+ WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset),
+ WXROUND(m_x2), WXROUND(m_y2),
+ WXROUND(m_x3*(360.0/(2.0*pi))), WXROUND(m_y3*(360.0/(2.0*pi))));
+ break;
+ }
+ case DRAWOP_DRAW_POINT:
+ {
+ dc.DrawPoint(WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset));
+ break;
+ }
+ case DRAWOP_DRAW_TEXT:
+ {
+ dc.DrawText(m_textString, WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset));
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+void wxOpDraw::Scale(double scaleX, double scaleY)
+{
+ m_x1 *= scaleX;
+ m_y1 *= scaleY;
+ m_x2 *= scaleX;
+ m_y2 *= scaleY;
+
+ if (m_op != DRAWOP_DRAW_ELLIPTIC_ARC)
+ {
+ m_x3 *= scaleX;
+ m_y3 *= scaleY;
+ }
+
+ m_radius *= scaleX;
+}
+
+void wxOpDraw::Translate(double x, double y)
+{
+ m_x1 += x;
+ m_y1 += y;
+
+ switch (m_op)
+ {
+ case DRAWOP_DRAW_LINE:
+ {
+ m_x2 += x;
+ m_y2 += y;
+ break;
+ }
+ case DRAWOP_DRAW_ARC:
+ {
+ m_x2 += x;
+ m_y2 += y;
+ m_x3 += x;
+ m_y3 += y;
+ break;
+ }
+ case DRAWOP_DRAW_ELLIPTIC_ARC:
+ {
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+void wxOpDraw::Rotate(double x, double y, double theta, double sinTheta, double cosTheta)
+{
+ double newX1 = m_x1*cosTheta - m_y1*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
+ double newY1 = m_x1*sinTheta + m_y1*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
+
+ switch (m_op)
+ {
+ case DRAWOP_DRAW_LINE:
+ {
+ double newX2 = m_x2*cosTheta - m_y2*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
+ double newY2 = m_x2*sinTheta + m_y2*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
+
+ m_x1 = newX1;
+ m_y1 = newY1;
+ m_x2 = newX2;
+ m_y2 = newY2;
+ break;
+ }
+ case DRAWOP_DRAW_RECT:
+ case DRAWOP_DRAW_ROUNDED_RECT:
+ case DRAWOP_DRAW_ELLIPTIC_ARC:
+ {
+ // Assume only 0, 90, 180, 270 degree rotations.
+ // oldX1, oldY1 represents the top left corner. Find the
+ // bottom right, and rotate that. Then the width/height is the difference
+ // between x/y values.
+ double oldBottomRightX = m_x1 + m_x2;
+ double oldBottomRightY = m_y1 + m_y2;
+ double newBottomRightX = oldBottomRightX*cosTheta - oldBottomRightY*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
+ double newBottomRightY = oldBottomRightX*sinTheta + oldBottomRightY*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
+
+ // Now find the new top-left, bottom-right coordinates.
+ double minX = wxMin(newX1, newBottomRightX);
+ double minY = wxMin(newY1, newBottomRightY);
+ double maxX = wxMax(newX1, newBottomRightX);
+ double maxY = wxMax(newY1, newBottomRightY);
+
+ m_x1 = minX;
+ m_y1 = minY;
+ m_x2 = maxX - minX; // width
+ m_y2 = maxY - minY; // height
+
+ if (m_op == DRAWOP_DRAW_ELLIPTIC_ARC)
+ {
+ // Add rotation to angles
+ m_x3 += theta;
+ m_y3 += theta;
+ }
+
+ break;
+ }
+ case DRAWOP_DRAW_ARC:
+ {
+ double newX2 = m_x2*cosTheta - m_y2*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
+ double newY2 = m_x2*sinTheta + m_y2*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
+ double newX3 = m_x3*cosTheta - m_y3*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
+ double newY3 = m_x3*sinTheta + m_y3*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
+
+ m_x1 = newX1;
+ m_y1 = newY1;
+ m_x2 = newX2;
+ m_y2 = newY2;
+ m_x3 = newX3;
+ m_y3 = newY3;
+
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+wxExpr *wxOpDraw::WriteExpr(wxPseudoMetaFile *image)
+{
+ wxExpr *expr = new wxExpr(wxExprList);
+ expr->Append(new wxExpr((long)m_op));
+ switch (m_op)
+ {
+ case DRAWOP_DRAW_LINE:
+ case DRAWOP_DRAW_RECT:
+ case DRAWOP_DRAW_ELLIPSE:
+ {
+ expr->Append(new wxExpr(m_x1));
+ expr->Append(new wxExpr(m_y1));
+ expr->Append(new wxExpr(m_x2));
+ expr->Append(new wxExpr(m_y2));
+ break;
+ }
+ case DRAWOP_DRAW_ROUNDED_RECT:
+ {
+ expr->Append(new wxExpr(m_x1));
+ expr->Append(new wxExpr(m_y1));
+ expr->Append(new wxExpr(m_x2));
+ expr->Append(new wxExpr(m_y2));
+ expr->Append(new wxExpr(m_radius));
+ break;
+ }
+ case DRAWOP_DRAW_POINT:
+ {
+ expr->Append(new wxExpr(m_x1));
+ expr->Append(new wxExpr(m_y1));
+ break;
+ }
+ case DRAWOP_DRAW_TEXT:
+ {
+ expr->Append(new wxExpr(m_x1));
+ expr->Append(new wxExpr(m_y1));
+ expr->Append(new wxExpr(wxExprString, m_textString));
+ break;
+ }
+ case DRAWOP_DRAW_ARC:
+ case DRAWOP_DRAW_ELLIPTIC_ARC:
+ {
+ expr->Append(new wxExpr(m_x1));
+ expr->Append(new wxExpr(m_y1));
+ expr->Append(new wxExpr(m_x2));
+ expr->Append(new wxExpr(m_y2));
+ expr->Append(new wxExpr(m_x3));
+ expr->Append(new wxExpr(m_y3));
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+ return expr;
+}
+
+void wxOpDraw::ReadExpr(wxPseudoMetaFile *image, wxExpr *expr)
+{
+ switch (m_op)
+ {
+ case DRAWOP_DRAW_LINE:
+ case DRAWOP_DRAW_RECT:
+ case DRAWOP_DRAW_ELLIPSE:
+ {
+ m_x1 = expr->Nth(1)->RealValue();
+ m_y1 = expr->Nth(2)->RealValue();
+ m_x2 = expr->Nth(3)->RealValue();
+ m_y2 = expr->Nth(4)->RealValue();
+ break;
+ }
+ case DRAWOP_DRAW_ROUNDED_RECT:
+ {
+ m_x1 = expr->Nth(1)->RealValue();
+ m_y1 = expr->Nth(2)->RealValue();
+ m_x2 = expr->Nth(3)->RealValue();
+ m_y2 = expr->Nth(4)->RealValue();
+ m_radius = expr->Nth(5)->RealValue();
+ break;
+ }
+ case DRAWOP_DRAW_POINT:
+ {
+ m_x1 = expr->Nth(1)->RealValue();
+ m_y1 = expr->Nth(2)->RealValue();
+ break;
+ }
+ case DRAWOP_DRAW_TEXT:
+ {
+ m_x1 = expr->Nth(1)->RealValue();
+ m_y1 = expr->Nth(2)->RealValue();
+ wxString str(expr->Nth(3)->StringValue());
+ m_textString = copystring((const char*) str);
+ break;
+ }
+ case DRAWOP_DRAW_ARC:
+ case DRAWOP_DRAW_ELLIPTIC_ARC:
+ {
+ m_x1 = expr->Nth(1)->RealValue();
+ m_y1 = expr->Nth(2)->RealValue();
+ m_x2 = expr->Nth(3)->RealValue();
+ m_y2 = expr->Nth(4)->RealValue();
+ m_x3 = expr->Nth(5)->RealValue();
+ m_y3 = expr->Nth(6)->RealValue();
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+}
+
+/*
+ * Draw polygon, polyline, spline
+ *
+ */
+
+wxOpPolyDraw::wxOpPolyDraw(int theOp, int n, wxRealPoint *thePoints):wxDrawOp(theOp)
+{
+ m_noPoints = n;
+ m_points = thePoints;
+}
+
+wxOpPolyDraw::~wxOpPolyDraw()
+{
+ delete[] m_points;
+}
+
+wxDrawOp *wxOpPolyDraw::Copy(wxPseudoMetaFile *newImage)
+{
+ wxRealPoint *newPoints = new wxRealPoint[m_noPoints];
+ for (int i = 0; i < m_noPoints; i++)
+ {
+ newPoints[i].x = m_points[i].x;
+ newPoints[i].y = m_points[i].y;
+ }
+ wxOpPolyDraw *newOp = new wxOpPolyDraw(m_op, m_noPoints, newPoints);
+ return newOp;
+}
+
+void wxOpPolyDraw::Do(wxDC& dc, double xoffset, double yoffset)
+{
+ switch (m_op)
+ {
+ case DRAWOP_DRAW_POLYLINE:
+ {
+ wxPoint *actualPoints = new wxPoint[m_noPoints];
+ int i;
+ for (i = 0; i < m_noPoints; i++)
+ {
+ actualPoints[i].x = WXROUND(m_points[i].x);
+ actualPoints[i].y = WXROUND(m_points[i].y);
+ }
+
+ dc.DrawLines(m_noPoints, actualPoints, WXROUND(xoffset), WXROUND(yoffset));
+
+ delete[] actualPoints;
+ break;
+ }
+ case DRAWOP_DRAW_POLYGON:
+ {
+ wxPoint *actualPoints = new wxPoint[m_noPoints];
+ int i;
+ for (i = 0; i < m_noPoints; i++)
+ {
+ actualPoints[i].x = WXROUND(m_points[i].x);
+ actualPoints[i].y = WXROUND(m_points[i].y);
+ }
+
+ dc.DrawPolygon(m_noPoints, actualPoints, WXROUND(xoffset), WXROUND(yoffset));
+
+ delete[] actualPoints;
+ break;
+ }
+ case DRAWOP_DRAW_SPLINE:
+ {
+ wxPoint *actualPoints = new wxPoint[m_noPoints];
+ int i;
+ for (i = 0; i < m_noPoints; i++)
+ {
+ actualPoints[i].x = WXROUND(m_points[i].x);
+ actualPoints[i].y = WXROUND(m_points[i].y);
+ }
+
+ dc.DrawSpline(m_noPoints, actualPoints); // no offsets in DrawSpline // , xoffset, yoffset);
+
+ delete[] actualPoints;
+ break;
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+void wxOpPolyDraw::Scale(double scaleX, double scaleY)
+{
+ for (int i = 0; i < m_noPoints; i++)
+ {
+ m_points[i].x *= scaleX;
+ m_points[i].y *= scaleY;
+ }
+}
+
+void wxOpPolyDraw::Translate(double x, double y)
+{
+ for (int i = 0; i < m_noPoints; i++)
+ {
+ m_points[i].x += x;
+ m_points[i].y += y;
+ }
+}
+
+void wxOpPolyDraw::Rotate(double x, double y, double theta, double sinTheta, double cosTheta)
+{
+ for (int i = 0; i < m_noPoints; i++)
+ {
+ double x1 = m_points[i].x;
+ double y1 = m_points[i].y;
+ m_points[i].x = x1*cosTheta - y1*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
+ m_points[i].y = x1*sinTheta + y1*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
+ }
+}
+
+wxExpr *wxOpPolyDraw::WriteExpr(wxPseudoMetaFile *image)
+{
+ wxExpr *expr = new wxExpr(wxExprList);
+ expr->Append(new wxExpr((long)m_op));
+ expr->Append(new wxExpr((long)m_noPoints));
+
+// char buf1[9];
+ char buf2[5];
+ char buf3[5];
+
+ oglBuffer[0] = 0;
+
+ /*
+ * Store each coordinate pair in a hex string to save space.
+ * E.g. "1B9080CD". 4 hex digits per coordinate pair.
+ *
+ */
+
+ for (int i = 0; i < m_noPoints; i++)
+ {
+ long signedX = (long)(m_points[i].x*100.0);
+ long signedY = (long)(m_points[i].y*100.0);
+
+ // Scale to 0 -> 64K
+ long unSignedX = (long)(signedX + 32767.0);
+ long unSignedY = (long)(signedY + 32767.0);
+
+// IntToHex((unsigned int)signedX, buf2);
+// IntToHex((unsigned int)signedY, buf3);
+ IntToHex((int)unSignedX, buf2);
+ IntToHex((int)unSignedY, buf3);
+
+ // Don't overrun the buffer
+ if ((i*8) < 3000)
+ {
+ strcat(oglBuffer, buf2);
+ strcat(oglBuffer, buf3);
+ }
+ }
+ expr->Append(new wxExpr(wxExprString, oglBuffer));
+ return expr;
+}
+
+void wxOpPolyDraw::ReadExpr(wxPseudoMetaFile *image, wxExpr *expr)
+{
+ m_noPoints = (int)expr->Nth(1)->IntegerValue();
+
+ char buf1[5];
+ char buf2[5];
+
+ m_points = new wxRealPoint[m_noPoints];
+ int i = 0;
+ int bufPtr = 0;
+ wxString hexString = expr->Nth(2)->StringValue();
+ while (i < m_noPoints)
+ {
+ buf1[0] = hexString[(size_t)bufPtr];
+ buf1[1] = hexString[(size_t)(bufPtr + 1)];
+ buf1[2] = hexString[(size_t)(bufPtr + 2)];
+ buf1[3] = hexString[(size_t)(bufPtr + 3)];
+ buf1[4] = 0;
+
+ buf2[0] = hexString[(size_t)(bufPtr + 4)];
+ buf2[1] = hexString[(size_t)(bufPtr + 5)];
+ buf2[2] = hexString[(size_t)(bufPtr + 6)];
+ buf2[3] = hexString[(size_t)(bufPtr + 7)];
+ buf2[4] = 0;
+
+ bufPtr += 8;
+
+// int signedX = (signed int)HexToInt(buf1);
+// int signedY = (signed int)HexToInt(buf2);
+ long unSignedX = HexToInt(buf1);
+ long unSignedY = HexToInt(buf2);
+ // Scale -32K -> +32K
+ long signedX = unSignedX - 32767;
+ long signedY = unSignedY - 32767;
+#ifdef __WXMSW__
+ int testX = (signed int)unSignedX;
+ int testY = (signed int)unSignedY;
+#endif
+
+ m_points[i].x = (double)(signedX / 100.0);
+ m_points[i].y = (double)(signedY / 100.0);
+
+ i ++;
+ }
+}
+
+// Draw an outline using the current operation.
+bool wxOpPolyDraw::OnDrawOutline(wxDC& dc, double x, double y, double w, double h, double oldW, double oldH)
+{
+ dc.SetBrush(* wxTRANSPARENT_BRUSH);
+
+ // Multiply all points by proportion of new size to old size
+ double x_proportion = (double)(fabs(w/oldW));
+ double y_proportion = (double)(fabs(h/oldH));
+
+ int n = m_noPoints;
+ wxPoint *intPoints = new wxPoint[n];
+ int i;
+ for (i = 0; i < n; i++)
+ {
+ intPoints[i].x = WXROUND (x_proportion * m_points[i].x);
+ intPoints[i].y = WXROUND (y_proportion * m_points[i].y);
+ }
+ dc.DrawPolygon(n, intPoints, (long) x, (long) y);
+ delete[] intPoints;
+ return TRUE;
+}
+
+// Assume (x1, y1) is centre of box (most generally, line end at box)
+bool wxOpPolyDraw::GetPerimeterPoint(double x1, double y1,
+ double x2, double y2,
+ double *x3, double *y3,
+ double xOffset, double yOffset,
+ int attachmentMode)
+{
+ int n = m_noPoints;
+
+ // 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 ((attachmentMode == ATTACHMENT_MODE_NONE) && (x1 == x2))
+ {
+ // Look for the point we'd be connecting to. This is
+ // a heuristic...
+ int i;
+ for (i = 0; i < n; i++)
+ {
+ wxRealPoint *point = & (m_points[i]);
+ if (point->x == 0.0)
+ {
+ if ((y2 > y1) && (point->y > 0.0))
+ {
+ *x3 = point->x + xOffset;
+ *y3 = point->y + yOffset;
+ return TRUE;
+ }
+ else if ((y2 < y1) && (point->y < 0.0))
+ {
+ *x3 = point->x + xOffset;
+ *y3 = point->y + yOffset;
+ return TRUE;
+ }
+ }
+ }
+ }
+
+ double *xpoints = new double[n];
+ double *ypoints = new double[n];
+
+ int i = 0;
+ for (i = 0; i < n; i++)
+ {
+ wxRealPoint *point = & (m_points[i]);
+ xpoints[i] = point->x + xOffset;
+ ypoints[i] = point->y + yOffset;
+ }
+
+ oglFindEndForPolyline(n, xpoints, ypoints,
+ x1, y1, x2, y2, x3, y3);
+
+ delete[] xpoints;
+ delete[] ypoints;
+
+ return TRUE;
+}
+
+
+/*
+ * Utilities
+ *
+ */
+
+static char hexArray[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B',
+ 'C', 'D', 'E', 'F' };
+
+// Convert unsigned 16-bit integer to 4-character hex string
+static void IntToHex(unsigned int dec, char *buf)
+{
+ int digit1 = (int)(dec/4096);
+ int digit2 = (int)((dec - (digit1*4096))/256);
+ int digit3 = (int)((dec - (digit1*4096) - (digit2*256))/16);
+ int digit4 = dec - (digit1*4096 + digit2*256 + digit3*16);
+
+ buf[0] = hexArray[digit1];
+ buf[1] = hexArray[digit2];
+ buf[2] = hexArray[digit3];
+ buf[3] = hexArray[digit4];
+ buf[4] = 0;
+}
+
+// One hex digit to decimal number
+static int HexToInt1(char hex)
+{
+ switch (hex)
+ {
+ case '0':
+ return 0;
+ case '1':
+ return 1;
+ case '2':
+ return 2;
+ case '3':
+ return 3;
+ case '4':
+ return 4;
+ case '5':
+ return 5;
+ case '6':
+ return 6;
+ case '7':
+ return 7;
+ case '8':
+ return 8;
+ case '9':
+ return 9;
+ case 'A':
+ return 10;
+ case 'B':
+ return 11;
+ case 'C':
+ return 12;
+ case 'D':
+ return 13;
+ case 'E':
+ return 14;
+ case 'F':
+ return 15;
+ default:
+ return 0;
+ }
+ return 0;
+}
+
+// 4-digit hex string to unsigned integer
+static unsigned long HexToInt(char *buf)
+{
+ long d1 = (long)(HexToInt1(buf[0])*4096.0) ;
+ long d2 = (long)(HexToInt1(buf[1])*256.0) ;
+ long d3 = (long)(HexToInt1(buf[2])*16.0) ;
+ long d4 = (long)(HexToInt1(buf[3])) ;
+ unsigned long n = (long)(d1 + d2 + d3 + d4) ;
+ return n;
+}
+
+/*
+ * wxPseudo meta-file
+ *
+ */
+
+IMPLEMENT_DYNAMIC_CLASS(wxPseudoMetaFile, wxObject)
+
+wxPseudoMetaFile::wxPseudoMetaFile()
+{
+ m_currentRotation = 0;
+ m_rotateable = TRUE;
+ m_width = 0.0;
+ m_height = 0.0;
+ m_outlinePen = NULL;
+ m_fillBrush = NULL;
+ m_outlineOp = -1;
+}
+
+wxPseudoMetaFile::wxPseudoMetaFile(wxPseudoMetaFile& mf)
+{
+ mf.Copy(*this);
+}
+
+wxPseudoMetaFile::~wxPseudoMetaFile()
+{
+ Clear();
+}
+
+void wxPseudoMetaFile::Clear()
+{
+ wxNode *node = m_ops.First();
+ while (node)
+ {
+ wxDrawOp *op = (wxDrawOp *)node->Data();
+ delete op;
+ node = node->Next();
+ }
+ m_ops.Clear();
+ m_gdiObjects.Clear();
+ m_outlineColours.Clear();
+ m_fillColours.Clear();
+ m_outlineOp = -1;
+}
+
+void wxPseudoMetaFile::Draw(wxDC& dc, double xoffset, double yoffset)
+{
+ wxNode *node = m_ops.First();
+ while (node)
+ {
+ wxDrawOp *op = (wxDrawOp *)node->Data();
+ op->Do(dc, xoffset, yoffset);
+ node = node->Next();
+ }
+}
+
+void wxPseudoMetaFile::Scale(double sx, double sy)
+{
+ wxNode *node = m_ops.First();
+ while (node)
+ {
+ wxDrawOp *op = (wxDrawOp *)node->Data();
+ op->Scale(sx, sy);
+ node = node->Next();
+ }
+ m_width *= sx;
+ m_height *= sy;
+}
+
+void wxPseudoMetaFile::Translate(double x, double y)
+{
+ wxNode *node = m_ops.First();
+ while (node)
+ {
+ wxDrawOp *op = (wxDrawOp *)node->Data();
+ op->Translate(x, y);
+ node = node->Next();
+ }
+}
+
+void wxPseudoMetaFile::Rotate(double x, double y, double theta)
+{
+ double theta1 = theta-m_currentRotation;
+ if (theta1 == 0.0) return;
+ double cosTheta = (double)cos(theta1);
+ double sinTheta = (double)sin(theta1);
+
+ wxNode *node = m_ops.First();
+ while (node)
+ {
+ wxDrawOp *op = (wxDrawOp *)node->Data();
+ op->Rotate(x, y, theta, sinTheta, cosTheta);
+ node = node->Next();
+ }
+ m_currentRotation = theta;
+}
+
+#ifdef PROLOGIO
+void wxPseudoMetaFile::WriteAttributes(wxExpr *clause, int whichAngle)
+{
+ wxString widthStr;
+ widthStr.Printf("meta_width%d", whichAngle);
+
+ wxString heightStr;
+ heightStr.Printf("meta_height%d", whichAngle);
+
+ wxString outlineStr;
+ outlineStr.Printf("outline_op%d", whichAngle);
+
+ wxString rotateableStr;
+ rotateableStr.Printf("meta_rotateable%d", whichAngle);
+
+ // Write width and height
+ clause->AddAttributeValue(widthStr, m_width);
+ clause->AddAttributeValue(heightStr, m_height);
+ clause->AddAttributeValue(rotateableStr, (long)m_rotateable);
+ clause->AddAttributeValue(outlineStr, (long)m_outlineOp);
+
+ // Write GDI objects
+ char buf[50];
+ int i = 1;
+ wxNode *node = m_gdiObjects.First();
+ while (node)
+ {
+ sprintf(buf, "gdi%d_%d", whichAngle, i);
+ wxObject *obj = (wxObject *)node->Data();
+ wxExpr *expr = NULL;
+ if (obj)
+ {
+ if (obj->IsKindOf(CLASSINFO(wxPen)))
+ {
+ wxPen *thePen = (wxPen *)obj;
+ expr = new wxExpr(wxExprList);
+ expr->Append(new wxExpr((long)gyTYPE_PEN));
+ expr->Append(new wxExpr((long)thePen->GetWidth()));
+ expr->Append(new wxExpr((long)thePen->GetStyle()));
+ expr->Append(new wxExpr((long)thePen->GetColour().Red()));
+ expr->Append(new wxExpr((long)thePen->GetColour().Green()));
+ expr->Append(new wxExpr((long)thePen->GetColour().Blue()));
+ }
+ else if (obj->IsKindOf(CLASSINFO(wxBrush)))
+ {
+ wxBrush *theBrush = (wxBrush *)obj;
+ expr = new wxExpr(wxExprList);
+ expr->Append(new wxExpr((long)gyTYPE_BRUSH));
+ expr->Append(new wxExpr((long)theBrush->GetStyle()));
+ expr->Append(new wxExpr((long)theBrush->GetColour().Red()));
+ expr->Append(new wxExpr((long)theBrush->GetColour().Green()));
+ expr->Append(new wxExpr((long)theBrush->GetColour().Blue()));
+ }
+ else if (obj->IsKindOf(CLASSINFO(wxFont)))
+ {
+ wxFont *theFont = (wxFont *)obj;
+ expr = new wxExpr(wxExprList);
+ expr->Append(new wxExpr((long)gyTYPE_FONT));
+ expr->Append(new wxExpr((long)theFont->GetPointSize()));
+ expr->Append(new wxExpr((long)theFont->GetFamily()));
+ expr->Append(new wxExpr((long)theFont->GetStyle()));
+ expr->Append(new wxExpr((long)theFont->GetWeight()));
+ expr->Append(new wxExpr((long)theFont->GetUnderlined()));
+ }
+ }
+ else
+ {
+ // If no recognised GDI object, append a place holder anyway.
+ expr = new wxExpr(wxExprList);
+ expr->Append(new wxExpr((long)0));
+ }
+
+ if (expr)
+ {
+ clause->AddAttributeValue(buf, expr);
+ i ++;
+ }
+ node = node->Next();
+ }
+
+ // Write drawing operations
+ i = 1;
+ node = m_ops.First();
+ while (node)
+ {
+ sprintf(buf, "op%d_%d", whichAngle, i);
+ wxDrawOp *op = (wxDrawOp *)node->Data();
+ wxExpr *expr = op->WriteExpr(this);
+ if (expr)
+ {
+ clause->AddAttributeValue(buf, expr);
+ i ++;
+ }
+ node = node->Next();
+ }
+
+ // Write outline and fill GDI op lists (if any)
+ if (m_outlineColours.Number() > 0)
+ {
+ wxExpr *outlineExpr = new wxExpr(wxExprList);
+ node = m_outlineColours.First();
+ while (node)
+ {
+ outlineExpr->Append(new wxExpr((long)node->Data()));
+ node = node->Next();
+ }
+ wxString outlineObjectsStr;
+ outlineObjectsStr.Printf("outline_objects%d", whichAngle);
+
+ clause->AddAttributeValue(outlineObjectsStr, outlineExpr);
+ }
+ if (m_fillColours.Number() > 0)
+ {
+ wxExpr *fillExpr = new wxExpr(wxExprList);
+ node = m_fillColours.First();
+ while (node)
+ {
+ fillExpr->Append(new wxExpr((long)node->Data()));
+ node = node->Next();
+ }
+ wxString fillObjectsStr;
+ fillObjectsStr.Printf("fill_objects%d", whichAngle);
+
+ clause->AddAttributeValue(fillObjectsStr, fillExpr);
+ }
+
+}
+
+void wxPseudoMetaFile::ReadAttributes(wxExpr *clause, int whichAngle)
+{
+ wxString widthStr;
+ widthStr.Printf("meta_width%d", whichAngle);
+
+ wxString heightStr;
+ heightStr.Printf("meta_height%d", whichAngle);
+
+ wxString outlineStr;
+ outlineStr.Printf("outline_op%d", whichAngle);
+
+ wxString rotateableStr;
+ rotateableStr.Printf("meta_rotateable%d", whichAngle);
+
+ clause->GetAttributeValue(widthStr, m_width);
+ clause->GetAttributeValue(heightStr, m_height);
+ clause->GetAttributeValue(outlineStr, m_outlineOp);
+
+ int iVal = (int) m_rotateable;
+ clause->GetAttributeValue(rotateableStr, iVal);
+ m_rotateable = (iVal != 0);
+
+ // Read GDI objects
+ char buf[50];
+ int i = 1;
+ bool keepGoing = TRUE;
+ while (keepGoing)
+ {
+ sprintf(buf, "gdi%d_%d", whichAngle, i);
+ wxExpr *expr = NULL;
+ clause->GetAttributeValue(buf, &expr);
+ if (!expr)
+ {
+ keepGoing = FALSE;
+ }
+ else
+ {
+ wxExpr *idExpr = expr->Nth(0);
+ switch (idExpr->IntegerValue())
+ {
+ case gyTYPE_PEN:
+ {
+ int penWidth = (int)expr->Nth(1)->IntegerValue();
+ int penStyle = (int)expr->Nth(2)->IntegerValue();
+ int penRed = (int)expr->Nth(3)->IntegerValue();
+ int penGreen = (int)expr->Nth(4)->IntegerValue();
+ int penBlue = (int)expr->Nth(5)->IntegerValue();
+ wxColour col(penRed, penGreen, penBlue);
+ wxPen *p = wxThePenList->FindOrCreatePen(col, penWidth, penStyle);
+ if (!p)
+ p = wxBLACK_PEN;
+ m_gdiObjects.Append(p);
+ break;
+ }
+ case gyTYPE_BRUSH:
+ {
+ int brushStyle = (int)expr->Nth(1)->IntegerValue();
+ int brushRed = (int)expr->Nth(2)->IntegerValue();
+ int brushGreen = (int)expr->Nth(3)->IntegerValue();
+ int brushBlue = (int)expr->Nth(4)->IntegerValue();
+ wxColour col(brushRed, brushGreen, brushBlue);
+ wxBrush *b = wxTheBrushList->FindOrCreateBrush(col, brushStyle);
+ if (!b)
+ b = wxWHITE_BRUSH;
+ m_gdiObjects.Append(b);
+ break;
+ }
+ case gyTYPE_FONT:
+ {
+ int fontPointSize = (int)expr->Nth(1)->IntegerValue();
+ int fontFamily = (int)expr->Nth(2)->IntegerValue();
+ int fontStyle = (int)expr->Nth(3)->IntegerValue();
+ int fontWeight = (int)expr->Nth(4)->IntegerValue();
+ int fontUnderlined = (int)expr->Nth(5)->IntegerValue();
+ m_gdiObjects.Append(wxTheFontList->FindOrCreateFont(fontPointSize,
+ fontFamily, fontStyle, fontWeight, (fontUnderlined != 0)));
+ break;
+ }
+ default:
+ {
+ // Place holder
+ m_gdiObjects.Append(NULL);
+ break;
+ }
+ }
+ i ++;
+ }
+ }
+
+ // Now read in the operations
+ keepGoing = TRUE;
+ i = 1;
+ while (keepGoing)
+ {
+ sprintf(buf, "op%d_%d", whichAngle, i);
+ wxExpr *expr = NULL;
+ clause->GetAttributeValue(buf, &expr);
+ if (!expr)
+ {
+ keepGoing = FALSE;
+ }
+ else
+ {
+ wxExpr *idExpr = expr->Nth(0);
+ int opId = (int)idExpr->IntegerValue();
+ switch (opId)
+ {
+ case DRAWOP_SET_PEN:
+ case DRAWOP_SET_BRUSH:
+ case DRAWOP_SET_FONT:
+ case DRAWOP_SET_TEXT_COLOUR:
+ case DRAWOP_SET_BK_COLOUR:
+ case DRAWOP_SET_BK_MODE:
+ {
+ wxOpSetGDI *theOp = new wxOpSetGDI(opId, this, 0);
+ theOp->ReadExpr(this, expr);
+ m_ops.Append(theOp);
+ break;
+ }
+
+ case DRAWOP_SET_CLIPPING_RECT:
+ case DRAWOP_DESTROY_CLIPPING_RECT:
+ {
+ wxOpSetClipping *theOp = new wxOpSetClipping(opId, 0.0, 0.0, 0.0, 0.0);
+ theOp->ReadExpr(this, expr);
+ m_ops.Append(theOp);
+ break;
+ }
+
+ case DRAWOP_DRAW_LINE:
+ case DRAWOP_DRAW_RECT:
+ case DRAWOP_DRAW_ROUNDED_RECT:
+ case DRAWOP_DRAW_ELLIPSE:
+ case DRAWOP_DRAW_POINT:
+ case DRAWOP_DRAW_ARC:
+ case DRAWOP_DRAW_TEXT:
+ {
+ wxOpDraw *theOp = new wxOpDraw(opId, 0.0, 0.0, 0.0, 0.0);
+ theOp->ReadExpr(this, expr);
+ m_ops.Append(theOp);
+ break;
+ }
+ case DRAWOP_DRAW_SPLINE:
+ case DRAWOP_DRAW_POLYLINE:
+ case DRAWOP_DRAW_POLYGON:
+ {
+ wxOpPolyDraw *theOp = new wxOpPolyDraw(opId, 0, NULL);
+ theOp->ReadExpr(this, expr);
+ m_ops.Append(theOp);
+ break;
+ }
+ default:
+ break;
+ }
+ }
+ i ++;
+ }
+
+ wxString outlineObjectsStr;
+ outlineObjectsStr.Printf("outline_objects%d", whichAngle);
+
+ // Now read in the list of outline and fill operations, if any
+ wxExpr *expr1 = clause->AttributeValue(outlineObjectsStr);
+ if (expr1)
+ {
+ wxExpr *eachExpr = expr1->GetFirst();
+ while (eachExpr)
+ {
+ m_outlineColours.Append((wxObject *)eachExpr->IntegerValue());
+ eachExpr = eachExpr->GetNext();
+ }
+ }
+
+ wxString fillObjectsStr;
+ fillObjectsStr.Printf("fill_objects%d", whichAngle);
+
+ expr1 = clause->AttributeValue(fillObjectsStr);
+ if (expr1)
+ {
+ wxExpr *eachExpr = expr1->GetFirst();
+ while (eachExpr)
+ {
+ m_fillColours.Append((wxObject *)eachExpr->IntegerValue());
+ eachExpr = eachExpr->GetNext();
+ }
+ }
+}
+#endif
+
+// Does the copying for this object
+void wxPseudoMetaFile::Copy(wxPseudoMetaFile& copy)
+{
+ copy.Clear();
+
+ copy.m_currentRotation = m_currentRotation;
+ copy.m_width = m_width;
+ copy.m_height = m_height;
+ copy.m_rotateable = m_rotateable;
+ copy.m_fillBrush = m_fillBrush;
+ copy.m_outlinePen = m_outlinePen;
+ copy.m_outlineOp = m_outlineOp;
+
+ // Copy the GDI objects
+ wxNode *node = m_gdiObjects.First();
+ while (node)
+ {
+ wxObject *obj = (wxObject *)node->Data();
+ copy.m_gdiObjects.Append(obj);
+ node = node->Next();
+ }
+
+ // Copy the operations
+ node = m_ops.First();
+ while (node)
+ {
+ wxDrawOp *op = (wxDrawOp *)node->Data();
+ copy.m_ops.Append(op->Copy(©));
+ node = node->Next();
+ }
+
+ // Copy the outline/fill operations
+ node = m_outlineColours.First();
+ while (node)
+ {
+ copy.m_outlineColours.Append((wxObject *)node->Data());
+ node = node->Next();
+ }
+ node = m_fillColours.First();
+ while (node)
+ {
+ copy.m_fillColours.Append((wxObject *)node->Data());
+ node = node->Next();
+ }
+}
+
+/*
+ * Pass size of existing image; scale height to
+ * fit width and return new width and height.
+ *
+ */
+
+bool wxPseudoMetaFile::LoadFromMetaFile(char *filename, double *rwidth, double *rheight)
+{
+ if (!FileExists(filename))
+ return NULL;
+
+ wxXMetaFile *metaFile = new wxXMetaFile;
+
+ if (!metaFile->ReadFile(filename))
+ {
+ delete metaFile;
+ return FALSE;
+ }
+
+ double lastX = 0.0;
+ double lastY = 0.0;
+
+ // Convert from metafile records to wxDrawnShape records
+ wxNode *node = metaFile->metaRecords.First();
+ while (node)
+ {
+ wxMetaRecord *record = (wxMetaRecord *)node->Data();
+ switch (record->metaFunction)
+ {
+ case META_SETBKCOLOR:
+ {
+ wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_BK_COLOUR, this, 0);
+ op->m_r = (unsigned char)record->param1;
+ op->m_g = (unsigned char)record->param2;
+ op->m_b = (unsigned char)record->param3;
+ m_ops.Append(op);
+ break;
+ }
+ case META_SETBKMODE:
+ {
+ wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_BK_MODE, this, 0, (int)record->param1);
+ m_ops.Append(op);
+ break;
+ }
+ case META_SETMAPMODE:
+ {
+ break;
+ }
+// case META_SETROP2:
+// case META_SETRELABS:
+// case META_SETPOLYFILLMODE:
+// case META_SETSTRETCHBLTMODE:
+// case META_SETTEXTCHAREXTRA:
+ case META_SETTEXTCOLOR:
+ {
+ wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_TEXT_COLOUR, this, 0);
+ op->m_r = (unsigned char)record->param1;
+ op->m_g = (unsigned char)record->param2;
+ op->m_b = (unsigned char)record->param3;
+ m_ops.Append(op);
+ break;
+ }
+// case META_SETTEXTJUSTIFICATION:
+// case META_SETWINDOWORG:
+// case META_SETWINDOWEXT:
+// case META_SETVIEWPORTORG:
+// case META_SETVIEWPORTEXT:
+// case META_OFFSETWINDOWORG:
+// case META_SCALEWINDOWEXT:
+// case META_OFFSETVIEWPORTORG:
+// case META_SCALEVIEWPORTEXT:
+ case META_LINETO:
+ {
+ wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_LINE, (double)lastX, (double)lastY,
+ (double)record->param1, (double)record->param2);
+ m_ops.Append(op);
+ break;
+ }
+ case META_MOVETO:
+ {
+ lastX = (double)record->param1;
+ lastY = (double)record->param2;
+ break;
+ }
+ case META_EXCLUDECLIPRECT:
+ {
+/*
+ wxMetaRecord *rec = new wxMetaRecord(META_EXCLUDECLIPRECT);
+ rec->param4 = getshort(handle); // m_y2
+ rec->param3 = getshort(handle); // x2
+ rec->param2 = getshort(handle); // y1
+ rec->param1 = getshort(handle); // x1
+*/
+ break;
+ }
+ case META_INTERSECTCLIPRECT:
+ {
+/*
+ rec->param4 = getshort(handle); // m_y2
+ rec->param3 = getshort(handle); // x2
+ rec->param2 = getshort(handle); // y1
+ rec->param1 = getshort(handle); // x1
+*/
+ break;
+ }
+// case META_ARC: // DO!!!
+ case META_ELLIPSE:
+ {
+ wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_ELLIPSE,
+ (double)record->param1, (double)record->param2,
+ (double)(record->param3 - record->param1),
+ (double)(record->param4 - record->param2));
+ m_ops.Append(op);
+ break;
+ }
+// case META_FLOODFILL:
+// case META_PIE: // DO!!!
+ case META_RECTANGLE:
+ {
+ wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_RECT,
+ (double)record->param1, (double)record->param2,
+ (double)(record->param3 - record->param1),
+ (double)(record->param4 - record->param2));
+ m_ops.Append(op);
+ break;
+ }
+ case META_ROUNDRECT:
+ {
+ wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_ROUNDED_RECT,
+ (double)record->param1, (double)record->param2,
+ (double)(record->param3 - record->param1),
+ (double)(record->param4 - record->param2), (double)record->param5);
+ m_ops.Append(op);
+ break;
+ }
+// case META_PATBLT:
+// case META_SAVEDC:
+ case META_SETPIXEL:
+ {
+ wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_POINT,
+ (double)record->param1, (double)record->param2,
+ 0.0, 0.0);
+
+// SHOULD SET THE COLOUR - SET PEN?
+// rec->param3 = getint(handle); // COLORREF
+ m_ops.Append(op);
+ break;
+ }
+// case META_OFFSETCLIPRGN:
+ case META_TEXTOUT:
+ {
+ wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_TEXT,
+ (double)record->param1, (double)record->param2,
+ 0.0, 0.0, 0.0, record->stringParam);
+ m_ops.Append(op);
+ break;
+ }
+// case META_BITBLT:
+// case META_STRETCHBLT:
+ case META_POLYGON:
+ {
+ int n = (int)record->param1;
+ wxRealPoint *newPoints = new wxRealPoint[n];
+ for (int i = 0; i < n; i++)
+ {
+ newPoints[i].x = record->points[i].x;
+ newPoints[i].y = record->points[i].y;
+ }
+
+ wxOpPolyDraw *op = new wxOpPolyDraw(DRAWOP_DRAW_POLYGON, n, newPoints);
+ m_ops.Append(op);
+ break;
+ }
+ case META_POLYLINE:
+ {
+ int n = (int)record->param1;
+ wxRealPoint *newPoints = new wxRealPoint[n];
+ for (int i = 0; i < n; i++)
+ {
+ newPoints[i].x = record->points[i].x;
+ newPoints[i].y = record->points[i].y;
+ }
+
+ wxOpPolyDraw *op = new wxOpPolyDraw(DRAWOP_DRAW_POLYLINE, n, newPoints);
+ m_ops.Append(op);
+ break;
+ }
+// case META_ESCAPE:
+// case META_RESTOREDC:
+// case META_FILLREGION:
+// case META_FRAMEREGION:
+// case META_INVERTREGION:
+// case META_PAINTREGION:
+// case META_SELECTCLIPREGION: // DO THIS!
+ case META_SELECTOBJECT:
+ {
+ // The pen, brush etc. has already been created when the metafile
+ // was read in, so we don't create it - we set it.
+ wxNode *recNode = metaFile->gdiObjects.Nth((int)record->param2);
+ if (recNode)
+ {
+ wxMetaRecord *gdiRec = (wxMetaRecord *)recNode->Data();
+ if (gdiRec && (gdiRec->param1 != 0))
+ {
+ wxObject *obj = (wxObject *)gdiRec->param1;
+ if (obj->IsKindOf(CLASSINFO(wxPen)))
+ {
+ wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_PEN, this, (int)record->param2);
+ m_ops.Append(op);
+ }
+ else if (obj->IsKindOf(CLASSINFO(wxBrush)))
+ {
+ wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_BRUSH, this, (int)record->param2);
+ m_ops.Append(op);
+ }
+ else if (obj->IsKindOf(CLASSINFO(wxFont)))
+ {
+ wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_FONT, this, (int)record->param2);
+ m_ops.Append(op);
+ }
+ }
+ }
+ break;
+ }
+// case META_SETTEXTALIGN:
+// case META_DRAWTEXT:
+// case META_CHORD:
+// case META_SETMAPPERFLAGS:
+// case META_EXTTEXTOUT:
+// case META_SETDIBTODEV:
+// case META_SELECTPALETTE:
+// case META_REALIZEPALETTE:
+// case META_ANIMATEPALETTE:
+// case META_SETPALENTRIES:
+// case META_POLYPOLYGON:
+// case META_RESIZEPALETTE:
+// case META_DIBBITBLT:
+// case META_DIBSTRETCHBLT:
+ case META_DIBCREATEPATTERNBRUSH:
+ {
+ // Place holder
+ m_gdiObjects.Append(NULL);
+ break;
+ }
+// case META_STRETCHDIB:
+// case META_EXTFLOODFILL:
+// case META_RESETDC:
+// case META_STARTDOC:
+// case META_STARTPAGE:
+// case META_ENDPAGE:
+// case META_ABORTDOC:
+// case META_ENDDOC:
+// case META_DELETEOBJECT: // DO!!
+ case META_CREATEPALETTE:
+ {
+ // Place holder
+ m_gdiObjects.Append(NULL);
+ break;
+ }
+ case META_CREATEBRUSH:
+ {
+ // Place holder
+ m_gdiObjects.Append(NULL);
+ break;
+ }
+ case META_CREATEPATTERNBRUSH:
+ {
+ // Place holder
+ m_gdiObjects.Append(NULL);
+ break;
+ }
+ case META_CREATEPENINDIRECT:
+ {
+ // The pen is created when the metafile is read in.
+ // We keep track of all the GDI objects needed for this
+ // image so when reading the wxDrawnShape from file,
+ // we can read in all the GDI objects, then refer
+ // to them by an index starting from zero thereafter.
+ m_gdiObjects.Append((wxObject *)record->param1);
+ break;
+ }
+ case META_CREATEFONTINDIRECT:
+ {
+ m_gdiObjects.Append((wxObject *)record->param1);
+ break;
+ }
+ case META_CREATEBRUSHINDIRECT:
+ {
+ // Don't have to do anything here: the pen is created
+ // when the metafile is read in.
+ m_gdiObjects.Append((wxObject *)record->param1);
+ break;
+ }
+ case META_CREATEBITMAPINDIRECT:
+ {
+ // Place holder
+ m_gdiObjects.Append(NULL);
+ break;
+ }
+ case META_CREATEBITMAP:
+ {
+ // Place holder
+ m_gdiObjects.Append(NULL);
+ break;
+ }
+ case META_CREATEREGION:
+ {
+ // Place holder
+ m_gdiObjects.Append(NULL);
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+ node = node->Next();
+ }
+ double actualWidth = (double)fabs(metaFile->right - metaFile->left);
+ double actualHeight = (double)fabs(metaFile->bottom - metaFile->top);
+
+ double initialScaleX = 1.0;
+ double initialScaleY = 1.0;
+
+ double xoffset, yoffset;
+
+ // Translate so origin is at centre of rectangle
+ if (metaFile->bottom > metaFile->top)
+ yoffset = - (double)((metaFile->bottom - metaFile->top)/2.0);
+ else
+ yoffset = - (double)((metaFile->top - metaFile->bottom)/2.0);
+
+ if (metaFile->right > metaFile->left)
+ xoffset = - (double)((metaFile->right - metaFile->left)/2.0);
+ else
+ xoffset = - (double)((metaFile->left - metaFile->right)/2.0);
+
+ Translate(xoffset, yoffset);
+
+ // Scale to a reasonable size (take the width of this wxDrawnShape
+ // as a guide)
+ if (actualWidth != 0.0)
+ {
+ initialScaleX = (double)((*rwidth) / actualWidth);
+ initialScaleY = initialScaleX;
+ (*rheight) = initialScaleY*actualHeight;
+ }
+ Scale(initialScaleX, initialScaleY);
+
+ m_width = (actualWidth*initialScaleX);
+ m_height = *rheight;
+
+ delete metaFile;
+ return TRUE;
+}
+
+// Scale to fit size
+void wxPseudoMetaFile::ScaleTo(double w, double h)
+{
+ double scaleX = (double)(w/m_width);
+ double scaleY = (double)(h/m_height);
+
+ // Do the scaling
+ Scale(scaleX, scaleY);
+}
+
+void wxPseudoMetaFile::GetBounds(double *boundMinX, double *boundMinY, double *boundMaxX, double *boundMaxY)
+{
+ double maxX = (double) -99999.9;
+ double maxY = (double) -99999.9;
+ double minX = (double) 99999.9;
+ double minY = (double) 99999.9;
+
+ wxNode *node = m_ops.First();
+ while (node)
+ {
+ wxDrawOp *op = (wxDrawOp *)node->Data();
+ switch (op->GetOp())
+ {
+ case DRAWOP_DRAW_LINE:
+ case DRAWOP_DRAW_RECT:
+ case DRAWOP_DRAW_ROUNDED_RECT:
+ case DRAWOP_DRAW_ELLIPSE:
+ case DRAWOP_DRAW_POINT:
+ case DRAWOP_DRAW_TEXT:
+ {
+ wxOpDraw *opDraw = (wxOpDraw *)op;
+ if (opDraw->m_x1 < minX) minX = opDraw->m_x1;
+ if (opDraw->m_x1 > maxX) maxX = opDraw->m_x1;
+ if (opDraw->m_y1 < minY) minY = opDraw->m_y1;
+ if (opDraw->m_y1 > maxY) maxY = opDraw->m_y1;
+ if (op->GetOp() == DRAWOP_DRAW_LINE)
+ {
+ if (opDraw->m_x2 < minX) minX = opDraw->m_x2;
+ if (opDraw->m_x2 > maxX) maxX = opDraw->m_x2;
+ if (opDraw->m_y2 < minY) minY = opDraw->m_y2;
+ if (opDraw->m_y2 > maxY) maxY = opDraw->m_y2;
+ }
+ else if (op->GetOp() == DRAWOP_DRAW_RECT ||
+ op->GetOp() == DRAWOP_DRAW_ROUNDED_RECT ||
+ op->GetOp() == DRAWOP_DRAW_ELLIPSE)
+ {
+ if ((opDraw->m_x1 + opDraw->m_x2) < minX) minX = (opDraw->m_x1 + opDraw->m_x2);
+ if ((opDraw->m_x1 + opDraw->m_x2) > maxX) maxX = (opDraw->m_x1 + opDraw->m_x2);
+ if ((opDraw->m_y1 + opDraw->m_y2) < minY) minY = (opDraw->m_y1 + opDraw->m_y2);
+ if ((opDraw->m_y1 + opDraw->m_y2) > maxY) maxY = (opDraw->m_y1 + opDraw->m_y2);
+ }
+ break;
+ }
+ case DRAWOP_DRAW_ARC:
+ {
+ // TODO: don't yet know how to calculate the bounding box
+ // for an arc. So pretend it's a line; to get a correct
+ // bounding box, draw a blank rectangle first, of the correct
+ // size.
+ wxOpDraw *opDraw = (wxOpDraw *)op;
+ if (opDraw->m_x1 < minX) minX = opDraw->m_x1;
+ if (opDraw->m_x1 > maxX) maxX = opDraw->m_x1;
+ if (opDraw->m_y1 < minY) minY = opDraw->m_y1;
+ if (opDraw->m_y1 > maxY) maxY = opDraw->m_y1;
+ if (opDraw->m_x2 < minX) minX = opDraw->m_x2;
+ if (opDraw->m_x2 > maxX) maxX = opDraw->m_x2;
+ if (opDraw->m_y2 < minY) minY = opDraw->m_y2;
+ if (opDraw->m_y2 > maxY) maxY = opDraw->m_y2;
+ break;
+ }
+ case DRAWOP_DRAW_POLYLINE:
+ case DRAWOP_DRAW_POLYGON:
+ case DRAWOP_DRAW_SPLINE:
+ {
+ wxOpPolyDraw *poly = (wxOpPolyDraw *)op;
+ for (int i = 0; i < poly->m_noPoints; i++)
+ {
+ if (poly->m_points[i].x < minX) minX = poly->m_points[i].x;
+ if (poly->m_points[i].x > maxX) maxX = poly->m_points[i].x;
+ if (poly->m_points[i].y < minY) minY = poly->m_points[i].y;
+ if (poly->m_points[i].y > maxY) maxY = poly->m_points[i].y;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ node = node->Next();
+ }
+
+ *boundMinX = minX;
+ *boundMinY = minY;
+ *boundMaxX = maxX;
+ *boundMaxY = maxY;
+/*
+ *w = (double)fabs(maxX - minX);
+ *h = (double)fabs(maxY - minY);
+*/
+}
+
+// Calculate size from current operations
+void wxPseudoMetaFile::CalculateSize(wxDrawnShape* shape)
+{
+ double boundMinX, boundMinY, boundMaxX, boundMaxY;
+
+ GetBounds(& boundMinX, & boundMinY, & boundMaxX, & boundMaxY);
+
+ SetSize(boundMaxX - boundMinX, boundMaxY - boundMinY);
+
+ if (shape)
+ {
+ shape->SetWidth(m_width);
+ shape->SetHeight(m_height);
+ }
+}
+
+// Set of functions for drawing into a pseudo metafile.
+// They use integers, but doubles are used internally for accuracy
+// when scaling.
+
+void wxPseudoMetaFile::DrawLine(const wxPoint& pt1, const wxPoint& pt2)
+{
+ wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_LINE,
+ (double) pt1.x, (double) pt1.y, (double) pt2.x, (double) pt2.y);
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::DrawRectangle(const wxRect& rect)
+{
+ wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_RECT,
+ (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::DrawRoundedRectangle(const wxRect& rect, double radius)
+{
+ wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_ROUNDED_RECT,
+ (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
+
+ theOp->m_radius = radius;
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::DrawEllipse(const wxRect& rect)
+{
+ wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_ELLIPSE,
+ (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::DrawArc(const wxPoint& centrePt, const wxPoint& startPt, const wxPoint& endPt)
+{
+ wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_ARC,
+ (double) centrePt.x, (double) centrePt.y, (double) startPt.x, (double) startPt.y);
+
+ theOp->m_x3 = (double) endPt.x;
+ theOp->m_y3 = (double) endPt.y;
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::DrawEllipticArc(const wxRect& rect, double startAngle, double endAngle)
+{
+ const double pi = 3.1415926535897932384626433832795 ;
+
+ double startAngleRadians = startAngle* (pi*2.0/360.0);
+ double endAngleRadians = endAngle* (pi*2.0/360.0);
+
+ wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_ELLIPTIC_ARC,
+ (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
+
+ theOp->m_x3 = startAngleRadians;
+ theOp->m_y3 = endAngleRadians;
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::DrawPoint(const wxPoint& pt)
+{
+ wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_POINT,
+ (double) pt.x, (double) pt.y, 0.0, 0.0);
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::DrawText(const wxString& text, const wxPoint& pt)
+{
+ wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_TEXT,
+ (double) pt.x, (double) pt.y, 0.0, 0.0);
+
+ theOp->m_textString = copystring(text);
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::DrawLines(int n, wxPoint pts[])
+{
+ wxRealPoint* realPoints = new wxRealPoint[n];
+ int i;
+ for (i = 0; i < n; i++)
+ {
+ realPoints[i].x = pts[i].x;
+ realPoints[i].y = pts[i].y;
+ }
+ wxOpPolyDraw* theOp = new wxOpPolyDraw(DRAWOP_DRAW_POLYLINE, n, realPoints);
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::DrawPolygon(int n, wxPoint pts[], int flags)
+{
+ wxRealPoint* realPoints = new wxRealPoint[n];
+ int i;
+ for (i = 0; i < n; i++)
+ {
+ realPoints[i].x = pts[i].x;
+ realPoints[i].y = pts[i].y;
+ }
+ wxOpPolyDraw* theOp = new wxOpPolyDraw(DRAWOP_DRAW_POLYGON, n, realPoints);
+ m_ops.Append(theOp);
+
+ if (flags & oglMETAFLAGS_OUTLINE)
+ m_outlineOp = (m_ops.Number() - 1);
+}
+
+void wxPseudoMetaFile::DrawSpline(int n, wxPoint pts[])
+{
+ wxRealPoint* realPoints = new wxRealPoint[n];
+ int i;
+ for (i = 0; i < n; i++)
+ {
+ realPoints[i].x = pts[i].x;
+ realPoints[i].y = pts[i].y;
+ }
+ wxOpPolyDraw* theOp = new wxOpPolyDraw(DRAWOP_DRAW_SPLINE, n, realPoints);
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::SetClippingRect(const wxRect& rect)
+{
+ wxOpSetClipping* theOp = new wxOpSetClipping(DRAWOP_SET_CLIPPING_RECT,
+ (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
+}
+
+void wxPseudoMetaFile::DestroyClippingRect()
+{
+ wxOpSetClipping* theOp = new wxOpSetClipping(DRAWOP_DESTROY_CLIPPING_RECT,
+ 0.0, 0.0, 0.0, 0.0);
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::SetPen(wxPen* pen, bool isOutline)
+{
+ m_gdiObjects.Append(pen);
+ int n = m_gdiObjects.Number();
+
+ wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_PEN, this, n - 1);
+
+ m_ops.Append(theOp);
+
+ if (isOutline)
+ {
+ m_outlineColours.Append((wxObject*) (n - 1));
+ }
+}
+
+void wxPseudoMetaFile::SetBrush(wxBrush* brush, bool isFill)
+{
+ m_gdiObjects.Append(brush);
+ int n = m_gdiObjects.Number();
+
+ wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_BRUSH, this, n - 1);
+
+ m_ops.Append(theOp);
+
+ if (isFill)
+ {
+ m_fillColours.Append((wxObject*) (n - 1));
+ }
+}
+
+void wxPseudoMetaFile::SetFont(wxFont* font)
+{
+ m_gdiObjects.Append(font);
+ int n = m_gdiObjects.Number();
+
+ wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_FONT, this, n - 1);
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::SetTextColour(const wxColour& colour)
+{
+ wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_TEXT_COLOUR, this, 0);
+ theOp->m_r = colour.Red();
+ theOp->m_g = colour.Green();
+ theOp->m_b = colour.Blue();
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::SetBackgroundColour(const wxColour& colour)
+{
+ wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_BK_COLOUR, this, 0);
+ theOp->m_r = colour.Red();
+ theOp->m_g = colour.Green();
+ theOp->m_b = colour.Blue();
+
+ m_ops.Append(theOp);
+}
+
+void wxPseudoMetaFile::SetBackgroundMode(int mode)
+{
+ wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_BK_MODE, this, 0, mode);
+
+ m_ops.Append(theOp);
+}
+