3dd4e4e05c
Sorry, I may be overwriting changes Robert made due to a file copying error. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@971 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2490 lines
62 KiB
C++
2490 lines
62 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: drawn.cpp
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// Purpose: wxDrawnShape
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// Author: Julian Smart
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// Modified by:
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// Created: 12/07/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "drawn.h"
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#pragma implementation "drawnp.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include <wx/wxprec.h>
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include <wx/wx.h>
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#endif
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#include <wx/wxexpr.h>
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#include "basic.h"
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#include "basicp.h"
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#include "canvas.h"
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#include "mfutils.h"
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#include "drawn.h"
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#include "drawnp.h"
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#include "misc.h"
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static void IntToHex(unsigned int dec, char *buf);
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static unsigned long HexToInt(char *buf);
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extern char *oglBuffer;
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#define gyTYPE_PEN 40
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#define gyTYPE_BRUSH 41
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#define gyTYPE_FONT 42
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/*
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* Drawn object
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*
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*/
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IMPLEMENT_DYNAMIC_CLASS(wxDrawnShape, wxRectangleShape)
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wxDrawnShape::wxDrawnShape():wxRectangleShape(100.0, 50.0)
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{
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m_saveToFile = TRUE;
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m_currentAngle = oglDRAWN_ANGLE_0;
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}
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wxDrawnShape::~wxDrawnShape()
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{
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}
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void wxDrawnShape::OnDraw(wxDC& dc)
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{
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// Pass pen and brush in case we have force outline
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// and fill colours
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if (m_shadowMode != SHADOW_NONE)
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{
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if (m_shadowBrush)
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m_metafiles[m_currentAngle].m_fillBrush = m_shadowBrush;
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m_metafiles[m_currentAngle].m_outlinePen = g_oglTransparentPen;
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m_metafiles[m_currentAngle].Draw(dc, m_xpos + m_shadowOffsetX, m_ypos + m_shadowOffsetY);
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}
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m_metafiles[m_currentAngle].m_outlinePen = m_pen;
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m_metafiles[m_currentAngle].m_fillBrush = m_brush;
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m_metafiles[m_currentAngle].Draw(dc, m_xpos, m_ypos);
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}
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void wxDrawnShape::SetSize(double w, double h, bool recursive)
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{
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SetAttachmentSize(w, h);
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double scaleX;
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double scaleY;
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if (GetWidth() == 0.0)
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scaleX = 1.0;
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else scaleX = w/GetWidth();
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if (GetHeight() == 0.0)
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scaleY = 1.0;
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else scaleY = h/GetHeight();
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int i = 0;
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for (i = 0; i < 4; i++)
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{
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if (m_metafiles[i].IsValid())
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m_metafiles[i].Scale(scaleX, scaleY);
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}
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m_width = w;
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m_height = h;
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SetDefaultRegionSize();
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}
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void wxDrawnShape::Scale(double sx, double sy)
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{
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int i;
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for (i = 0; i < 4; i++)
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{
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if (m_metafiles[i].IsValid())
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{
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m_metafiles[i].Scale(sx, sy);
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m_metafiles[i].CalculateSize(this);
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}
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}
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}
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void wxDrawnShape::Translate(double x, double y)
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{
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int i;
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for (i = 0; i < 4; i++)
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{
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if (m_metafiles[i].IsValid())
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{
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m_metafiles[i].Translate(x, y);
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m_metafiles[i].CalculateSize(this);
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}
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}
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}
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// theta is absolute rotation from the zero position
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void wxDrawnShape::Rotate(double x, double y, double theta)
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{
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m_currentAngle = DetermineMetaFile(theta);
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if (m_currentAngle == 0)
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{
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// Rotate metafile
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if (!m_metafiles[0].GetRotateable())
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return;
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m_metafiles[0].Rotate(x, y, theta);
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}
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double actualTheta = theta-m_rotation;
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// Rotate attachment points
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double sinTheta = (double)sin(actualTheta);
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double cosTheta = (double)cos(actualTheta);
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wxNode *node = m_attachmentPoints.First();
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while (node)
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{
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wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
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double x1 = point->m_x;
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double y1 = point->m_y;
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point->m_x = x1*cosTheta - y1*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
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point->m_y = x1*sinTheta + y1*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
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node = node->Next();
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}
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m_rotation = theta;
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m_metafiles[m_currentAngle].CalculateSize(this);
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}
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// Which metafile do we use now? Based on current rotation and validity
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// of metafiles.
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int wxDrawnShape::DetermineMetaFile(double rotation)
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{
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double tolerance = 0.0001;
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const double pi = 3.1415926535897932384626433832795 ;
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double angle1 = 0.0;
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double angle2 = pi/2.0;
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double angle3 = pi;
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double angle4 = 3.0*pi/2.0;
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int whichMetafile = 0;
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if (oglRoughlyEqual(rotation, angle1, tolerance))
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{
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whichMetafile = 0;
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}
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else if (oglRoughlyEqual(rotation, angle2, tolerance))
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{
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whichMetafile = 1;
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}
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else if (oglRoughlyEqual(rotation, angle3, tolerance))
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{
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whichMetafile = 2;
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}
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else if (oglRoughlyEqual(rotation, angle4, tolerance))
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{
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whichMetafile = 3;
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}
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if ((whichMetafile > 0) && !m_metafiles[whichMetafile].IsValid())
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whichMetafile = 0;
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return whichMetafile;
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}
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void wxDrawnShape::OnDrawOutline(wxDC& dc, double x, double y, double w, double h)
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{
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if (m_metafiles[m_currentAngle].GetOutlineOp() != -1)
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{
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wxNode* node = m_metafiles[m_currentAngle].GetOps().Nth(m_metafiles[m_currentAngle].GetOutlineOp());
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wxASSERT (node != NULL);
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wxDrawOp* op = (wxDrawOp*) node->Data();
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if (op->OnDrawOutline(dc, x, y, w, h, m_width, m_height))
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return;
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}
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// Default... just use a rectangle
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wxRectangleShape::OnDrawOutline(dc, x, y, w, h);
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}
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// Get the perimeter point using the special outline op, if there is one,
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// otherwise use default wxRectangleShape scheme
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bool wxDrawnShape::GetPerimeterPoint(double x1, double y1,
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double x2, double y2,
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double *x3, double *y3)
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{
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if (m_metafiles[m_currentAngle].GetOutlineOp() != -1)
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{
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wxNode* node = m_metafiles[m_currentAngle].GetOps().Nth(m_metafiles[m_currentAngle].GetOutlineOp());
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wxASSERT (node != NULL);
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wxDrawOp* op = (wxDrawOp*) node->Data();
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if (op->GetPerimeterPoint(x1, y1, x2, y2, x3, y3, GetX(), GetY(), GetAttachmentMode()))
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return TRUE;
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}
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// Default... just use a rectangle
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return wxRectangleShape::GetPerimeterPoint(x1, y1, x2, y2, x3, y3);
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}
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#ifdef PROLOGIO
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void wxDrawnShape::WriteAttributes(wxExpr *clause)
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{
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wxRectangleShape::WriteAttributes(clause);
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clause->AddAttributeValue("current_angle", (long)m_currentAngle);
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clause->AddAttributeValue("save_metafile", (long)m_saveToFile);
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if (m_saveToFile)
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{
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int i = 0;
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for (i = 0; i < 4; i++)
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{
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if (m_metafiles[i].IsValid())
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m_metafiles[i].WriteAttributes(clause, i);
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}
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}
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}
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void wxDrawnShape::ReadAttributes(wxExpr *clause)
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{
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wxRectangleShape::ReadAttributes(clause);
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int iVal = (int) m_saveToFile;
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clause->GetAttributeValue("save_metafile", iVal);
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clause->GetAttributeValue("current_angle", m_currentAngle);
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m_saveToFile = (iVal != 0);
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if (m_saveToFile)
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{
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int i = 0;
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for (i = 0; i < 4; i++)
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{
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m_metafiles[i].ReadAttributes(clause, i);
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}
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}
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}
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#endif
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// Does the copying for this object
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void wxDrawnShape::Copy(wxShape& copy)
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{
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wxRectangleShape::Copy(copy);
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wxASSERT( copy.IsKindOf(CLASSINFO(wxDrawnShape)) ) ;
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wxDrawnShape& drawnCopy = (wxDrawnShape&) copy;
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int i = 0;
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for (i = 0; i < 4; i++)
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{
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m_metafiles[i].Copy(drawnCopy.m_metafiles[i]);
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}
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drawnCopy.m_saveToFile = m_saveToFile;
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drawnCopy.m_currentAngle = m_currentAngle;
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}
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bool wxDrawnShape::LoadFromMetaFile(char *filename)
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{
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return m_metafiles[0].LoadFromMetaFile(filename, &m_width, &m_height);
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}
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// Set of functions for drawing into a pseudo metafile.
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// They use integers, but doubles are used internally for accuracy
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// when scaling.
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void wxDrawnShape::DrawLine(const wxPoint& pt1, const wxPoint& pt2)
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{
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m_metafiles[m_currentAngle].DrawLine(pt1, pt2);
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}
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void wxDrawnShape::DrawRectangle(const wxRect& rect)
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{
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m_metafiles[m_currentAngle].DrawRectangle(rect);
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}
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void wxDrawnShape::DrawRoundedRectangle(const wxRect& rect, double radius)
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{
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m_metafiles[m_currentAngle].DrawRoundedRectangle(rect, radius);
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}
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void wxDrawnShape::DrawEllipse(const wxRect& rect)
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{
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m_metafiles[m_currentAngle].DrawEllipse(rect);
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}
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void wxDrawnShape::DrawArc(const wxPoint& centrePt, const wxPoint& startPt, const wxPoint& endPt)
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{
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m_metafiles[m_currentAngle].DrawArc(centrePt, startPt, endPt);
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}
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void wxDrawnShape::DrawEllipticArc(const wxRect& rect, double startAngle, double endAngle)
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{
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m_metafiles[m_currentAngle].DrawEllipticArc(rect, startAngle, endAngle);
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}
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void wxDrawnShape::DrawPoint(const wxPoint& pt)
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{
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m_metafiles[m_currentAngle].DrawPoint(pt);
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}
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void wxDrawnShape::DrawText(const wxString& text, const wxPoint& pt)
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{
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m_metafiles[m_currentAngle].DrawText(text, pt);
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}
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void wxDrawnShape::DrawLines(int n, wxPoint pts[])
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{
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m_metafiles[m_currentAngle].DrawLines(n, pts);
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}
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void wxDrawnShape::DrawPolygon(int n, wxPoint pts[], int flags)
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{
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if (flags & oglMETAFLAGS_ATTACHMENTS)
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{
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ClearAttachments();
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int i;
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for (i = 0; i < n; i++)
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m_attachmentPoints.Append(new wxAttachmentPoint(i, pts[i].x, pts[i].y));
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}
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m_metafiles[m_currentAngle].DrawPolygon(n, pts, flags);
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}
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void wxDrawnShape::DrawSpline(int n, wxPoint pts[])
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{
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m_metafiles[m_currentAngle].DrawSpline(n, pts);
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}
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void wxDrawnShape::SetClippingRect(const wxRect& rect)
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{
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m_metafiles[m_currentAngle].SetClippingRect(rect);
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}
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void wxDrawnShape::DestroyClippingRect()
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{
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m_metafiles[m_currentAngle].DestroyClippingRect();
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}
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void wxDrawnShape::SetDrawnPen(wxPen* pen, bool isOutline)
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{
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m_metafiles[m_currentAngle].SetPen(pen, isOutline);
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}
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void wxDrawnShape::SetDrawnBrush(wxBrush* brush, bool isFill)
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{
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m_metafiles[m_currentAngle].SetBrush(brush, isFill);
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}
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void wxDrawnShape::SetDrawnFont(wxFont* font)
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{
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m_metafiles[m_currentAngle].SetFont(font);
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}
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void wxDrawnShape::SetDrawnTextColour(const wxColour& colour)
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{
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m_metafiles[m_currentAngle].SetTextColour(colour);
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}
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void wxDrawnShape::SetDrawnBackgroundColour(const wxColour& colour)
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{
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m_metafiles[m_currentAngle].SetBackgroundColour(colour);
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}
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void wxDrawnShape::SetDrawnBackgroundMode(int mode)
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{
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m_metafiles[m_currentAngle].SetBackgroundMode(mode);
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}
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/*
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* Individual operations
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*
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*/
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/*
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* Set font, brush, text colour
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*
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*/
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wxOpSetGDI::wxOpSetGDI(int theOp, wxPseudoMetaFile *theImage, int theGdiIndex, int theMode):
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wxDrawOp(theOp)
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{
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m_gdiIndex = theGdiIndex;
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m_image = theImage;
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m_mode = theMode;
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}
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void wxOpSetGDI::Do(wxDC& dc, double xoffset, double yoffset)
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{
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switch (m_op)
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{
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case DRAWOP_SET_PEN:
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{
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// Check for overriding this operation for outline
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// colour
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if (m_image->m_outlineColours.Member((wxObject *)m_gdiIndex))
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{
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if (m_image->m_outlinePen)
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dc.SetPen(m_image->m_outlinePen);
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}
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else
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{
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wxNode *node = m_image->m_gdiObjects.Nth(m_gdiIndex);
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if (node)
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{
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wxPen *pen = (wxPen *)node->Data();
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if (pen)
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dc.SetPen(pen);
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}
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}
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break;
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}
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case DRAWOP_SET_BRUSH:
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{
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// Check for overriding this operation for outline or fill
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// colour
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if (m_image->m_outlineColours.Member((wxObject *)m_gdiIndex))
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{
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// Need to construct a brush to match the outline pen's colour
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if (m_image->m_outlinePen)
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{
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wxBrush *br = wxTheBrushList->FindOrCreateBrush(m_image->m_outlinePen->GetColour(), wxSOLID);
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if (br)
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dc.SetBrush(br);
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}
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}
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else if (m_image->m_fillColours.Member((wxObject *)m_gdiIndex))
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{
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if (m_image->m_fillBrush)
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{
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dc.SetBrush(m_image->m_fillBrush);
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}
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}
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else
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{
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wxNode *node = m_image->m_gdiObjects.Nth(m_gdiIndex);
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if (node)
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{
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wxBrush *brush = (wxBrush *)node->Data();
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if (brush)
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dc.SetBrush(brush);
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}
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}
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break;
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}
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case DRAWOP_SET_FONT:
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{
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wxNode *node = m_image->m_gdiObjects.Nth(m_gdiIndex);
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if (node)
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{
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wxFont *font = (wxFont *)node->Data();
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if (font)
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dc.SetFont(font);
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}
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break;
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}
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case DRAWOP_SET_TEXT_COLOUR:
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{
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wxColour col(m_r,m_g,m_b);
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dc.SetTextForeground(col);
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break;
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}
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case DRAWOP_SET_BK_COLOUR:
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{
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wxColour col(m_r,m_g,m_b);
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dc.SetTextBackground(col);
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break;
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}
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case DRAWOP_SET_BK_MODE:
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{
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dc.SetBackgroundMode(m_mode);
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break;
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}
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default:
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break;
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}
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}
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wxDrawOp *wxOpSetGDI::Copy(wxPseudoMetaFile *newImage)
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{
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wxOpSetGDI *newOp = new wxOpSetGDI(m_op, newImage, m_gdiIndex, m_mode);
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newOp->m_r = m_r;
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newOp->m_g = m_g;
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newOp->m_b = m_b;
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return newOp;
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}
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wxExpr *wxOpSetGDI::WriteExpr(wxPseudoMetaFile *image)
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{
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wxExpr *expr = new wxExpr(wxExprList);
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expr->Append(new wxExpr((long)m_op));
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switch (m_op)
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{
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case DRAWOP_SET_PEN:
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case DRAWOP_SET_BRUSH:
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case DRAWOP_SET_FONT:
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{
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expr->Append(new wxExpr((long)m_gdiIndex));
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break;
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}
|
|
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(m_x1 + xoffset, m_y1 + yoffset, m_x2 + xoffset, 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[bufPtr];
|
|
buf1[1] = hexString[bufPtr + 1];
|
|
buf1[2] = hexString[bufPtr + 2];
|
|
buf1[3] = hexString[bufPtr + 3];
|
|
buf1[4] = 0;
|
|
|
|
buf2[0] = hexString[bufPtr + 4];
|
|
buf2[1] = hexString[bufPtr + 5];
|
|
buf2[2] = hexString[bufPtr + 6];
|
|
buf2[3] = hexString[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, x, 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);
|
|
}
|
|
|