/
mathplot.cpp
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mathplot.cpp
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/////////////////////////////////////////////////////////////////////////////
// Name: mathplot.cpp
// Purpose: Framework for plotting in wxWindows
// Original Author: David Schalig
// Maintainer: Davide Rondini
// Contributors: Jose Luis Blanco, Val Greene
// Created: 21/07/2003
// Last edit: 09/09/2007
// Copyright: (c) David Schalig, Davide Rondini
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
// #pragma implementation "plot.h"
#pragma implementation "mathplot.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include <wx/window.h>
//#include <wx/wxprec.h>
// Comment out for release operation:
// (Added by J.L.Blanco, Aug 2007)
// #define MATHPLOT_DO_LOGGING
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/object.h"
#include "wx/font.h"
#include "wx/colour.h"
#include "wx/settings.h"
#include "wx/sizer.h"
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/dcclient.h"
#include "wx/cursor.h"
#endif
#include "mathplot.h"
#include <wx/bmpbuttn.h>
#include <wx/module.h>
#include <wx/msgdlg.h>
#include <wx/image.h>
#include <wx/tipwin.h>
#include <cmath>
#include <cstdio> // used only for debug
#include <ctime> // used for representation of x axes involving date
// #include "pixel.xpm"
// Memory leak debugging
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// Legend margins
#define mpLEGEND_MARGIN 5
#define mpLEGEND_LINEWIDTH 10
// Minimum axis label separation
#define mpMIN_X_AXIS_LABEL_SEPARATION 64
#define mpMIN_Y_AXIS_LABEL_SEPARATION 32
// Number of pixels to scroll when scrolling by a line
#define mpSCROLL_NUM_PIXELS_PER_LINE 10
// See doxygen comments.
double mpWindow::zoomIncrementalFactor = 1.5;
//-----------------------------------------------------------------------------
// mpLayer
//-----------------------------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(mpLayer, wxObject)
mpLayer::mpLayer() : m_type(mpLAYER_UNDEF)
{
SetPen((wxPen&) *wxBLACK_PEN);
SetFont((wxFont&) *wxNORMAL_FONT);
m_continuous = FALSE; // Default
m_showName = TRUE; // Default
m_drawOutsideMargins = TRUE;
m_visible = true;
}
wxBitmap mpLayer::GetColourSquare(int side)
{
wxBitmap square(side, side, -1);
wxColour filler = m_pen.GetColour();
wxBrush brush(filler, wxSOLID);
wxMemoryDC dc;
dc.SelectObject(square);
dc.SetBackground(brush);
dc.Clear();
dc.SelectObject(wxNullBitmap);
return square;
}
//-----------------------------------------------------------------------------
// mpInfoLayer
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(mpInfoLayer, mpLayer)
mpInfoLayer::mpInfoLayer()
{
m_dim = wxRect(0,0,1,1);
m_brush = *wxTRANSPARENT_BRUSH;
m_reference.x = 0; m_reference.y = 0;
m_winX = 1; //parent->GetScrX();
m_winY = 1; //parent->GetScrY();
m_type = mpLAYER_INFO;
}
mpInfoLayer::mpInfoLayer(wxRect rect, const wxBrush* brush) : m_dim(rect)
{
m_brush = *brush;
m_reference.x = rect.x;
m_reference.y = rect.y;
m_winX = 1; //parent->GetScrX();
m_winY = 1; //parent->GetScrY();
m_type = mpLAYER_INFO;
}
mpInfoLayer::~mpInfoLayer()
{
}
void mpInfoLayer::UpdateInfo(mpWindow& w, wxEvent& event)
{
}
bool mpInfoLayer::Inside(wxPoint& point)
{
return m_dim.Contains(point);
}
void mpInfoLayer::Move(wxPoint delta)
{
m_dim.SetX(m_reference.x + delta.x);
m_dim.SetY(m_reference.y + delta.y);
}
void mpInfoLayer::UpdateReference()
{
m_reference.x = m_dim.x;
m_reference.y = m_dim.y;
}
void mpInfoLayer::Plot(wxDC & dc, mpWindow & w)
{
if (m_visible) {
// Adjust relative position inside the window
int scrx = w.GetScrX();
int scry = w.GetScrY();
// Avoid dividing by 0
if(scrx == 0) scrx=1;
if(scry == 0) scry=1;
if ((m_winX != scrx) || (m_winY != scry)) {
#ifdef MATHPLOT_DO_LOGGING
// wxLogMessage(_("mpInfoLayer::Plot() screen size has changed from %d x %d to %d x %d"), m_winX, m_winY, scrx, scry);
#endif
if (m_winX != 1) m_dim.x = (int) floor((double)(m_dim.x*scrx/m_winX));
if (m_winY != 1) {
m_dim.y = (int) floor((double)(m_dim.y*scry/m_winY));
UpdateReference();
}
// Finally update window size
m_winX = scrx;
m_winY = scry;
}
dc.SetPen(m_pen);
// wxImage image0(wxT("pixel.png"), wxBITMAP_TYPE_PNG);
// wxBitmap image1(image0);
// wxBrush semiWhite(image1);
dc.SetBrush(m_brush);
dc.DrawRectangle(m_dim.x, m_dim.y, m_dim.width, m_dim.height);
}
}
wxPoint mpInfoLayer::GetPosition()
{
return m_dim.GetPosition();
}
wxSize mpInfoLayer::GetSize()
{
return m_dim.GetSize();
}
mpInfoCoords::mpInfoCoords() : mpInfoLayer()
{
}
mpInfoCoords::mpInfoCoords(wxRect rect, const wxBrush* brush) : mpInfoLayer(rect, brush)
{
}
mpInfoCoords::~mpInfoCoords()
{
}
void mpInfoCoords::UpdateInfo(mpWindow& w, wxEvent& event)
{
if (event.GetEventType() == wxEVT_MOTION) {
int mouseX = ((wxMouseEvent&)event).GetX();
int mouseY = ((wxMouseEvent&)event).GetY();
/* It seems that Windows port of wxWidgets don't support multi-line test to be drawn in a wxDC.
wxGTK instead works perfectly with it.
Info on wxForum: http://wxforum.shadonet.com/viewtopic.php?t=3451&highlight=drawtext+eol */
#ifdef _WINDOWS
m_content.Printf(wxT("x = %f y = %f"), w.p2x(mouseX), w.p2y(mouseY));
#else
m_content.Printf(wxT("x = %f\ny = %f"), w.p2x(mouseX), w.p2y(mouseY));
#endif
}
}
void mpInfoCoords::Plot(wxDC & dc, mpWindow & w)
{
if (m_visible) {
// Adjust relative position inside the window
int scrx = w.GetScrX();
int scry = w.GetScrY();
if ((m_winX != scrx) || (m_winY != scry)) {
#ifdef MATHPLOT_DO_LOGGING
// wxLogMessage(_("mpInfoLayer::Plot() screen size has changed from %d x %d to %d x %d"), m_winX, m_winY, scrx, scry);
#endif
if (m_winX != 1) m_dim.x = (int) floor((double)(m_dim.x*scrx/m_winX));
if (m_winY != 1) {
m_dim.y = (int) floor((double)(m_dim.y*scry/m_winY));
UpdateReference();
}
// Finally update window size
m_winX = scrx;
m_winY = scry;
}
dc.SetPen(m_pen);
// wxImage image0(wxT("pixel.png"), wxBITMAP_TYPE_PNG);
// wxBitmap image1(image0);
// wxBrush semiWhite(image1);
dc.SetBrush(m_brush);
dc.SetFont(m_font);
int textX, textY;
dc.GetTextExtent(m_content, &textX, &textY);
if (m_dim.width < textX + 10) m_dim.width = textX + 10;
if (m_dim.height < textY + 10) m_dim.height = textY + 10;
dc.DrawRectangle(m_dim.x, m_dim.y, m_dim.width, m_dim.height);
dc.DrawText(m_content, m_dim.x + 5, m_dim.y + 5);
}
}
mpInfoLegend::mpInfoLegend() : mpInfoLayer()
{
}
mpInfoLegend::mpInfoLegend(wxRect rect, const wxBrush* brush) : mpInfoLayer(rect, brush)
{
}
mpInfoLegend::~mpInfoLegend()
{
}
void mpInfoLegend::UpdateInfo(mpWindow& w, wxEvent& event)
{
}
void mpInfoLegend::Plot(wxDC & dc, mpWindow & w)
{
if (m_visible) {
// Adjust relative position inside the window
int scrx = w.GetScrX();
int scry = w.GetScrY();
if ((m_winX != scrx) || (m_winY != scry)) {
#ifdef MATHPLOT_DO_LOGGING
// wxLogMessage(_("mpInfoLayer::Plot() screen size has changed from %d x %d to %d x %d"), m_winX, m_winY, scrx, scry);
#endif
if (m_winX != 1) m_dim.x = (int) floor((double)(m_dim.x*scrx/m_winX));
if (m_winY != 1) {
m_dim.y = (int) floor((double)(m_dim.y*scry/m_winY));
UpdateReference();
}
// Finally update window size
m_winX = scrx;
m_winY = scry;
}
// wxImage image0(wxT("pixel.png"), wxBITMAP_TYPE_PNG);
// wxBitmap image1(image0);
// wxBrush semiWhite(image1);
dc.SetBrush(m_brush);
dc.SetFont(m_font);
const int baseWidth = (mpLEGEND_MARGIN*2 + mpLEGEND_LINEWIDTH);
int textX = baseWidth, textY = mpLEGEND_MARGIN;
int plotCount = 0;
int posY = 0;
int tmpX = 0, tmpY = 0;
mpLayer* ly = NULL;
wxPen lpen;
wxString label;
for (unsigned int p = 0; p < w.CountAllLayers(); p++) {
ly = w.GetLayer(p);
if ((ly->GetLayerType() == mpLAYER_PLOT) && (ly->IsVisible())) {
label = ly->GetName();
dc.GetTextExtent(label, &tmpX, &tmpY);
textX = (textX > (tmpX + baseWidth)) ? textX : (tmpX + baseWidth + mpLEGEND_MARGIN);
textY += (tmpY);
#ifdef MATHPLOT_DO_LOGGING
// wxLogMessage(_("mpInfoLegend::Plot() Adding layer %d: %s"), p, label.c_str());
#endif
}
}
dc.SetPen(m_pen);
dc.SetBrush(m_brush);
m_dim.width = textX;
if (textY != mpLEGEND_MARGIN) { // Don't draw any thing if there are no visible layers
textY += mpLEGEND_MARGIN;
m_dim.height = textY;
dc.DrawRectangle(m_dim.x, m_dim.y, m_dim.width, m_dim.height);
for (unsigned int p2 = 0; p2 < w.CountAllLayers(); p2++) {
ly = w.GetLayer(p2);
if ((ly->GetLayerType() == mpLAYER_PLOT) && (ly->IsVisible())) {
label = ly->GetName();
lpen = ly->GetPen();
dc.GetTextExtent(label, &tmpX, &tmpY);
dc.SetPen(lpen);
//textX = (textX > (tmpX + baseWidth)) ? textX : (tmpX + baseWidth);
//textY += (tmpY + mpLEGEND_MARGIN);
posY = m_dim.y + mpLEGEND_MARGIN + plotCount*tmpY + (tmpY>>1);
dc.DrawLine(m_dim.x + mpLEGEND_MARGIN, // X start coord
posY, // Y start coord
m_dim.x + mpLEGEND_LINEWIDTH + mpLEGEND_MARGIN, // X end coord
posY);
//dc.DrawRectangle(m_dim.x + 5, m_dim.y + 5 + plotCount*tmpY, 5, 5);
dc.DrawText(label, m_dim.x + baseWidth, m_dim.y + mpLEGEND_MARGIN + plotCount*tmpY);
plotCount++;
}
}
}
}
}
//-----------------------------------------------------------------------------
// mpLayer implementations - functions
//-----------------------------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(mpFX, mpLayer)
mpFX::mpFX(wxString name, int flags)
{
SetName(name);
m_flags = flags;
m_type = mpLAYER_PLOT;
}
void mpFX::Plot(wxDC & dc, mpWindow & w)
{
if (m_visible) {
dc.SetPen( m_pen);
wxCoord startPx = m_drawOutsideMargins ? 0 : w.GetMarginLeft();
wxCoord endPx = m_drawOutsideMargins ? w.GetScrX() : w.GetScrX() - w.GetMarginRight();
wxCoord minYpx = m_drawOutsideMargins ? 0 : w.GetMarginTop();
wxCoord maxYpx = m_drawOutsideMargins ? w.GetScrY() : w.GetScrY() - w.GetMarginBottom();
wxCoord iy = 0;
if (m_pen.GetWidth() <= 1)
{
for (wxCoord i = startPx; i < endPx; ++i)
{
iy = w.y2p( GetY(w.p2x(i)));
// Draw the point only if you can draw outside margins or if the point is inside margins
if (m_drawOutsideMargins || ((iy >= minYpx) && (iy <= maxYpx)))
dc.DrawPoint(i, iy );// (wxCoord) ((w.GetPosY() - GetY( (double)i / w.GetScaleX() + w.GetPosX()) ) * w.GetScaleY()));
}
}
else
{
for (wxCoord i = startPx; i < endPx; ++i)
{
iy = w.y2p( GetY(w.p2x(i)));
// Draw the point only if you can draw outside margins or if the point is inside margins
if (m_drawOutsideMargins || ((iy >= minYpx) && (iy <= maxYpx)))
dc.DrawLine( i, iy, i, iy);
// wxCoord c = w.y2p( GetY(w.p2x(i)) ); //(wxCoord) ((w.GetPosY() - GetY( (double)i / w.GetScaleX() + w.GetPosX()) ) * w.GetScaleY());
}
}
if (!m_name.IsEmpty() && m_showName)
{
dc.SetFont(m_font);
wxCoord tx, ty;
dc.GetTextExtent(m_name, &tx, &ty);
/*if ((m_flags & mpALIGNMASK) == mpALIGN_RIGHT)
tx = (w.GetScrX()>>1) - tx - 8;
else if ((m_flags & mpALIGNMASK) == mpALIGN_CENTER)
tx = -tx/2;
else
tx = -(w.GetScrX()>>1) + 8;
*/
if ((m_flags & mpALIGNMASK) == mpALIGN_RIGHT)
tx = (w.GetScrX() - tx) - w.GetMarginRight() - 8;
else if ((m_flags & mpALIGNMASK) == mpALIGN_CENTER)
tx = ((w.GetScrX() - w.GetMarginRight() - w.GetMarginLeft() - tx) / 2) + w.GetMarginLeft();
else
tx = w.GetMarginLeft() + 8;
dc.DrawText( m_name, tx, w.y2p(GetY(w.p2x(tx))) ); // (wxCoord) ((w.GetPosY() - GetY( (double)tx / w.GetScaleX() + w.GetPosX())) * w.GetScaleY()) );
}
}
}
IMPLEMENT_ABSTRACT_CLASS(mpFY, mpLayer)
mpFY::mpFY(wxString name, int flags)
{
SetName(name);
m_flags = flags;
m_type = mpLAYER_PLOT;
}
void mpFY::Plot(wxDC & dc, mpWindow & w)
{
if (m_visible) {
dc.SetPen( m_pen);
wxCoord i, ix;
wxCoord startPx = m_drawOutsideMargins ? 0 : w.GetMarginLeft();
wxCoord endPx = m_drawOutsideMargins ? w.GetScrX() : w.GetScrX() - w.GetMarginRight();
wxCoord minYpx = m_drawOutsideMargins ? 0 : w.GetMarginTop();
wxCoord maxYpx = m_drawOutsideMargins ? w.GetScrY() : w.GetScrY() - w.GetMarginBottom();
if (m_pen.GetWidth() <= 1)
{
for (i = minYpx; i < maxYpx; ++i)
{
ix = w.x2p(GetX(w.p2y(i)));
if (m_drawOutsideMargins || ((ix >= startPx) && (ix <= endPx)))
dc.DrawPoint(ix, i);
}
}
else
{
for (i=0;i< w.GetScrY(); ++i)
{
ix = w.x2p(GetX(w.p2y(i)));
if (m_drawOutsideMargins || ((ix >= startPx) && (ix <= endPx)))
dc.DrawLine(ix, i, ix, i);
// wxCoord c = w.x2p(GetX(w.p2y(i))); //(wxCoord) ((GetX( (double)i / w.GetScaleY() + w.GetPosY()) - w.GetPosX()) * w.GetScaleX());
// dc.DrawLine(c, i, c, i);
}
}
if (!m_name.IsEmpty() && m_showName)
{
dc.SetFont(m_font);
wxCoord tx, ty;
dc.GetTextExtent(m_name, &tx, &ty);
if ((m_flags & mpALIGNMASK) == mpALIGN_TOP)
ty = w.GetMarginTop() + 8;
else if ((m_flags & mpALIGNMASK) == mpALIGN_CENTER)
ty = ((w.GetScrY() - w.GetMarginTop() - w.GetMarginBottom() - ty) / 2) + w.GetMarginTop();
else
ty = w.GetScrY() - 8 - ty - w.GetMarginBottom();
dc.DrawText( m_name, w.x2p(GetX(w.p2y(ty))), ty ); // (wxCoord) ((GetX( (double)i / w.GetScaleY() + w.GetPosY()) - w.GetPosX()) * w.GetScaleX()), -ty);
}
}
}
IMPLEMENT_ABSTRACT_CLASS(mpFXY, mpLayer)
mpFXY::mpFXY(wxString name, int flags)
{
SetName(name);
m_flags = flags;
m_type = mpLAYER_PLOT;
}
void mpFXY::UpdateViewBoundary(wxCoord xnew, wxCoord ynew)
{
// Keep track of how many points have been drawn and the bouding box
maxDrawX = (xnew > maxDrawX) ? xnew : maxDrawX;
minDrawX = (xnew < minDrawX) ? xnew : minDrawX;
maxDrawY = (maxDrawY > ynew) ? maxDrawY : ynew;
minDrawY = (minDrawY < ynew) ? minDrawY : ynew;
//drawnPoints++;
}
void mpFXY::Plot(wxDC & dc, mpWindow & w)
{
if (m_visible) {
dc.SetPen( m_pen);
double x, y;
// Do this to reset the counters to evaluate bounding box for label positioning
Rewind(); GetNextXY(x, y);
maxDrawX = x; minDrawX = x; maxDrawY = y; minDrawY = y;
//drawnPoints = 0;
Rewind();
wxCoord startPx = m_drawOutsideMargins ? 0 : w.GetMarginLeft();
wxCoord endPx = m_drawOutsideMargins ? w.GetScrX() : w.GetScrX() - w.GetMarginRight();
wxCoord minYpx = m_drawOutsideMargins ? 0 : w.GetMarginTop();
wxCoord maxYpx = m_drawOutsideMargins ? w.GetScrY() : w.GetScrY() - w.GetMarginBottom();
wxCoord ix = 0, iy = 0;
if (!m_continuous)
{
// for some reason DrawPoint does not use the current pen,
// so we use DrawLine for fat pens
if (m_pen.GetWidth() <= 1)
{
while (GetNextXY(x, y))
{
ix = w.x2p(x);
iy = w.y2p(y);
if (m_drawOutsideMargins || ((ix >= startPx) && (ix <= endPx) && (iy >= minYpx) && (iy <= maxYpx))) {
dc.DrawPoint(ix, iy);
UpdateViewBoundary(ix, iy);
};
}
}
else
{
while (GetNextXY(x, y))
{
ix = w.x2p(x);
iy = w.y2p(y);
if (m_drawOutsideMargins || ((ix >= startPx) && (ix <= endPx) && (iy >= minYpx) && (iy <= maxYpx))) {
dc.DrawLine(ix, iy, ix, iy);
UpdateViewBoundary(ix, iy);
}
// dc.DrawLine(cx, cy, cx, cy);
}
}
}
else
{
// Old code
wxCoord x0=0,c0=0;
bool first = TRUE;
while (GetNextXY(x, y))
{
wxCoord x1 = w.x2p(x); // (wxCoord) ((x - w.GetPosX()) * w.GetScaleX());
wxCoord c1 = w.y2p(y); // (wxCoord) ((w.GetPosY() - y) * w.GetScaleY());
if (first)
{
first=FALSE;
x0=x1;c0=c1;
}
bool outUp, outDown;
if((x1 >= startPx)&&(x0 <= endPx)) {
outDown = (c0 > maxYpx) && (c1 > maxYpx);
outUp = (c0 < minYpx) && (c1 < minYpx);
if (!outUp && !outDown) {
if (c1 != c0) {
if (c0 < minYpx) {
x0 = (int)(((float)(minYpx - c0))/((float)(c1 - c0))*(x1-x0)) + x0;
c0 = minYpx;
}
if (c0 > maxYpx) {
x0 = (int)(((float)(maxYpx - c0))/((float)(c1 - c0))*(x1-x0)) + x0;
//wxLogDebug(wxT("old x0 = %d, new x0 = %d"), x0, newX0);
//x0 = newX0;
c0 = maxYpx;
}
if (c1 < minYpx) {
x1 = (int)(((float)(minYpx - c0))/((float)(c1 - c0))*(x1-x0)) + x0;
c1 = minYpx;
}
if (c1 > maxYpx) {
x1 = (int)(((float)(maxYpx - c0))/((float)(c1 - c0))*(x1-x0)) + x0;
//wxLogDebug(wxT("old x0 = %d, old x1 = %d, new x1 = %d, c0 = %d, c1 = %d, maxYpx = %d"), x0, x1, newX1, c0, c1, maxYpx);
//x1 = newX1;
c1 = maxYpx;
}
}
if (x1 != x0) {
if (x0 < startPx) {
c0 = (int)(((float)(startPx - x0))/((float)(x1 -x0))*(c1 -c0)) + c0;
x0 = startPx;
}
if (x1 > endPx) {
c1 = (int)(((float)(endPx - x0))/((float)(x1 -x0))*(c1 -c0)) + c0;
x1 = endPx;
}
}
dc.DrawLine(x0, c0, x1, c1);
UpdateViewBoundary(x1, c1);
}
}
x0=x1; c0=c1;
}
}
if (!m_name.IsEmpty() && m_showName)
{
dc.SetFont(m_font);
wxCoord tx, ty;
dc.GetTextExtent(m_name, &tx, &ty);
// xxx implement else ... if (!HasBBox())
{
// const int sx = w.GetScrX();
// const int sy = w.GetScrY();
if ((m_flags & mpALIGNMASK) == mpALIGN_NW)
{
tx = minDrawX + 8;
ty = maxDrawY + 8;
}
else if ((m_flags & mpALIGNMASK) == mpALIGN_NE)
{
tx = maxDrawX - tx - 8;
ty = maxDrawY + 8;
}
else if ((m_flags & mpALIGNMASK) == mpALIGN_SE)
{
tx = maxDrawX - tx - 8;
ty = minDrawY - ty - 8;
}
else
{ // mpALIGN_SW
tx = minDrawX + 8;
ty = minDrawY - ty - 8;
}
}
dc.DrawText( m_name, tx, ty);
}
}
}
//-----------------------------------------------------------------------------
// mpProfile implementation
//-----------------------------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(mpProfile, mpLayer)
mpProfile::mpProfile(wxString name, int flags)
{
SetName(name);
m_flags = flags;
m_type = mpLAYER_PLOT;
}
void mpProfile::Plot(wxDC & dc, mpWindow & w)
{
if (m_visible) {
dc.SetPen( m_pen);
wxCoord startPx = m_drawOutsideMargins ? 0 : w.GetMarginLeft();
wxCoord endPx = m_drawOutsideMargins ? w.GetScrX() : w.GetScrX() - w.GetMarginRight();
wxCoord minYpx = m_drawOutsideMargins ? 0 : w.GetMarginTop();
wxCoord maxYpx = m_drawOutsideMargins ? w.GetScrY() : w.GetScrY() - w.GetMarginBottom();
// Plot profile linking subsequent point of the profile, instead of mpFY, which plots simple points.
for (wxCoord i = startPx; i < endPx; ++i) {
wxCoord c0 = w.y2p( GetY(w.p2x(i)) ); // (wxCoord) ((w.GetYpos() - GetY( (double)i / w.GetXscl() + w.GetXpos()) ) * w.GetYscl());
wxCoord c1 = w.y2p( GetY(w.p2x(i+1)) );//(wxCoord) ((w.GetYpos() - GetY( (double)(i+1) / w.GetXscl() + (w.GetXpos() ) ) ) * w.GetYscl());
// c0 = (c0 <= maxYpx) ? ((c0 >= minYpx) ? c0 : minYpx) : maxYpx;
// c1 = (c1 <= maxYpx) ? ((c1 >= minYpx) ? c1 : minYpx) : maxYpx;
if (!m_drawOutsideMargins) {
c0 = (c0 <= maxYpx) ? ((c0 >= minYpx) ? c0 : minYpx) : maxYpx;
c1 = (c1 <= maxYpx) ? ((c1 >= minYpx) ? c1 : minYpx) : maxYpx;
}
dc.DrawLine(i, c0, i+1, c1);
};
if (!m_name.IsEmpty()) {
dc.SetFont(m_font);
wxCoord tx, ty;
dc.GetTextExtent(m_name, &tx, &ty);
if ((m_flags & mpALIGNMASK) == mpALIGN_RIGHT)
tx = (w.GetScrX() - tx) - w.GetMarginRight() - 8;
else if ((m_flags & mpALIGNMASK) == mpALIGN_CENTER)
tx = ((w.GetScrX() - w.GetMarginRight() - w.GetMarginLeft() - tx) / 2) + w.GetMarginLeft();
else
tx = w.GetMarginLeft() + 8;
dc.DrawText( m_name, tx, w.y2p( GetY( w.p2x(tx) ) ) );//(wxCoord) ((w.GetPosY() - GetY( (double)tx / w.GetScaleX() + w.GetPosX())) * w.GetScaleY()) );
}
}
}
//-----------------------------------------------------------------------------
// mpLayer implementations - furniture (scales, ...)
//-----------------------------------------------------------------------------
#define mpLN10 2.3025850929940456840179914546844
IMPLEMENT_DYNAMIC_CLASS(mpScaleX, mpLayer)
mpScaleX::mpScaleX(wxString name, int flags, bool ticks, unsigned int type)
{
SetName(name);
SetFont( (wxFont&) *wxSMALL_FONT);
SetPen( (wxPen&) *wxGREY_PEN);
m_flags = flags;
m_ticks = ticks;
m_labelType = type;
m_type = mpLAYER_AXIS;
m_labelFormat = wxT("");
}
void mpScaleX::Plot(wxDC & dc, mpWindow & w)
{
if (m_visible) {
dc.SetPen( m_pen);
dc.SetFont( m_font);
int orgy=0;
const int extend = w.GetScrX(); // /2;
if (m_flags == mpALIGN_CENTER)
orgy = w.y2p(0); //(int)(w.GetPosY() * w.GetScaleY());
if (m_flags == mpALIGN_TOP) {
if (m_drawOutsideMargins)
orgy = X_BORDER_SEPARATION;
else
orgy = w.GetMarginTop();
}
if (m_flags == mpALIGN_BOTTOM) {
if (m_drawOutsideMargins)
orgy = X_BORDER_SEPARATION;
else
orgy = w.GetScrY() - w.GetMarginBottom();
}
if (m_flags == mpALIGN_BORDER_BOTTOM )
orgy = w.GetScrY() - 1;//dc.LogicalToDeviceY(0) - 1;
if (m_flags == mpALIGN_BORDER_TOP )
orgy = 1;//-dc.LogicalToDeviceY(0);
dc.DrawLine( 0, orgy, w.GetScrX(), orgy);
// To cut the axis line when draw outside margin is false, use this code
/*if (m_drawOutsideMargins == true)
dc.DrawLine( 0, orgy, w.GetScrX(), orgy);
else
dc.DrawLine( w.GetMarginLeft(), orgy, w.GetScrX() - w.GetMarginRight(), orgy); */
const double dig = floor( log( 128.0 / w.GetScaleX() ) / mpLN10 );
const double step = exp( mpLN10 * dig);
const double end = w.GetPosX() + (double)extend / w.GetScaleX();
wxCoord tx, ty;
wxString s;
wxString fmt;
int tmp = (int)dig;
if (m_labelType == mpX_NORMAL) {
if (!m_labelFormat.IsEmpty()) {
fmt = m_labelFormat;
} else {
if (tmp>=1) {
fmt = wxT("%.f");
} else {
tmp=8-tmp;
fmt.Printf(wxT("%%.%df"), tmp >= -1 ? 2 : -tmp);
}
}
} else {
// Date and/or time axis representation
if (m_labelType == mpX_DATETIME) {
fmt = (wxT("%04.0f-%02.0f-%02.0fT%02.0f:%02.0f:%02.0f"));
} else if (m_labelType == mpX_DATE) {
fmt = (wxT("%04.0f-%02.0f-%02.0f"));
} else if ((m_labelType == mpX_TIME) && (end/60 < 2)) {
fmt = (wxT("%02.0f:%02.3f"));
} else {
fmt = (wxT("%02.0f:%02.0f:%02.0f"));
}
}
//double n = floor( (w.GetPosX() - (double)extend / w.GetScaleX()) / step ) * step ;
double n0 = floor( (w.GetPosX() /* - (double)(extend - w.GetMarginLeft() - w.GetMarginRight())/ w.GetScaleX() */) / step ) * step ;
double n = 0;
#ifdef MATHPLOT_DO_LOGGING
wxLogMessage(wxT("mpScaleX::Plot: dig: %f , step: %f, end: %f, n: %f"), dig, step, end, n0);
#endif
wxCoord startPx = m_drawOutsideMargins ? 0 : w.GetMarginLeft();
wxCoord endPx = m_drawOutsideMargins ? w.GetScrX() : w.GetScrX() - w.GetMarginRight();
wxCoord minYpx = m_drawOutsideMargins ? 0 : w.GetMarginTop();
wxCoord maxYpx = m_drawOutsideMargins ? w.GetScrY() : w.GetScrY() - w.GetMarginBottom();
tmp=-65535;
int labelH = 0; // Control labels heigth to decide where to put axis name (below labels or on top of axis)
int maxExtent = 0;
for (n = n0; n < end; n += step) {
const int p = (int)((n - w.GetPosX()) * w.GetScaleX());
#ifdef MATHPLOT_DO_LOGGING
wxLogMessage(wxT("mpScaleX::Plot: n: %f -> p = %d"), n, p);
#endif
if ((p >= startPx) && (p <= endPx)) {
if (m_ticks) { // draw axis ticks
if (m_flags == mpALIGN_BORDER_BOTTOM)
dc.DrawLine( p, orgy, p, orgy-4);
else
dc.DrawLine( p, orgy, p, orgy+4);
} else { // draw grid dotted lines
m_pen.SetStyle(wxDOT);
dc.SetPen(m_pen);
if ((m_flags == mpALIGN_BOTTOM) && !m_drawOutsideMargins) {
dc.DrawLine( p, orgy+4, p, minYpx );
} else {
if ((m_flags == mpALIGN_TOP) && !m_drawOutsideMargins) {
dc.DrawLine( p, orgy-4, p, maxYpx );
} else {
dc.DrawLine( p, 0/*-w.GetScrY()*/, p, w.GetScrY() );
}
}
m_pen.SetStyle(wxSOLID);
dc.SetPen(m_pen);
}
// Write ticks labels in s string
if (m_labelType == mpX_NORMAL)
s.Printf(fmt, n);
else if (m_labelType == mpX_DATETIME) {
time_t when = (time_t)n;
struct tm tm = *localtime(&when);
s.Printf(fmt, (double)tm.tm_year+1900, (double)tm.tm_mon+1, (double)tm.tm_mday, (double)tm.tm_hour, (double)tm.tm_min, (double)tm.tm_sec);
} else if (m_labelType == mpX_DATE) {
time_t when = (time_t)n;
struct tm tm = *localtime(&when);
s.Printf(fmt, (double)tm.tm_year+1900, (double)tm.tm_mon+1, (double)tm.tm_mday);
} else if ((m_labelType == mpX_TIME) || (m_labelType == mpX_HOURS)) {
double modulus = fabs(n);
double sign = n/modulus;
double hh = floor(modulus/3600);
double mm = floor((modulus - hh*3600)/60);
double ss = modulus - hh*3600 - mm*60;
#ifdef MATHPLOT_DO_LOGGING
wxLogMessage(wxT("%02.0f Hours, %02.0f minutes, %02.0f seconds"), sign*hh, mm, ss);
#endif // MATHPLOT_DO_LOGGING
if (fmt.Len() == 20) // Format with hours has 11 chars
s.Printf(fmt, sign*hh, mm, floor(ss));
else
s.Printf(fmt, sign*mm, ss);
}
dc.GetTextExtent(s, &tx, &ty);
labelH = (labelH <= ty) ? ty : labelH;
/* if ((p-tx/2-tmp) > 64) { // Problem about non-regular axis labels
if ((m_flags == mpALIGN_BORDER_BOTTOM) || (m_flags == mpALIGN_TOP)) {
dc.DrawText( s, p-tx/2, orgy-4-ty);
} else {
dc.DrawText( s, p-tx/2, orgy+4);
}
tmp=p+tx/2;
}
*/
maxExtent = (tx > maxExtent) ? tx : maxExtent; // Keep in mind max label width
}
}
// Actually draw labels, taking care of not overlapping them, and distributing them regularly
double labelStep = ceil((maxExtent + mpMIN_X_AXIS_LABEL_SEPARATION)/(w.GetScaleX()*step))*step;
for (n = n0; n < end; n += labelStep) {
const int p = (int)((n - w.GetPosX()) * w.GetScaleX());
#ifdef MATHPLOT_DO_LOGGING
wxLogMessage(wxT("mpScaleX::Plot: n_label = %f -> p_label = %d"), n, p);
#endif
if ((p >= startPx) && (p <= endPx)) {
// Write ticks labels in s string
if (m_labelType == mpX_NORMAL)
s.Printf(fmt, n);
else if (m_labelType == mpX_DATETIME) {
time_t when = (time_t)n;
struct tm tm = *localtime(&when);
s.Printf(fmt, (double)tm.tm_year+1900, (double)tm.tm_mon+1, (double)tm.tm_mday, (double)tm.tm_hour, (double)tm.tm_min, (double)tm.tm_sec);
} else if (m_labelType == mpX_DATE) {
time_t when = (time_t)n;
struct tm tm = *localtime(&when);
s.Printf(fmt, (double)tm.tm_year+1900, (double)tm.tm_mon+1, (double)tm.tm_mday);
} else if ((m_labelType == mpX_TIME) || (m_labelType == mpX_HOURS)) {
double modulus = fabs(n);
double sign = n/modulus;
double hh = floor(modulus/3600);
double mm = floor((modulus - hh*3600)/60);
double ss = modulus - hh*3600 - mm*60;
#ifdef MATHPLOT_DO_LOGGING
wxLogMessage(wxT("%02.0f Hours, %02.0f minutes, %02.0f seconds"), sign*hh, mm, ss);
#endif // MATHPLOT_DO_LOGGING
if (fmt.Len() == 20) // Format with hours has 11 chars
s.Printf(fmt, sign*hh, mm, floor(ss));
else
s.Printf(fmt, sign*mm, ss);
}
dc.GetTextExtent(s, &tx, &ty);
if ((m_flags == mpALIGN_BORDER_BOTTOM) || (m_flags == mpALIGN_TOP)) {
dc.DrawText( s, p-tx/2, orgy-4-ty);
} else {
dc.DrawText( s, p-tx/2, orgy+4);
}
}
}
// Draw axis name
dc.GetTextExtent(m_name, &tx, &ty);
switch (m_flags) {
case mpALIGN_BORDER_BOTTOM:
dc.DrawText( m_name, extend - tx - 4, orgy - 8 - ty - labelH);
break;
case mpALIGN_BOTTOM: {
if ((!m_drawOutsideMargins) && (w.GetMarginBottom() > (ty + labelH + 8))) {
dc.DrawText( m_name, (endPx - startPx - tx)>>1, orgy + 6 + labelH);
} else {
dc.DrawText( m_name, extend - tx - 4, orgy - 4 - ty);
}
} break;
case mpALIGN_CENTER:
dc.DrawText( m_name, extend - tx - 4, orgy - 4 - ty);
break;
case mpALIGN_TOP: {
if ((!m_drawOutsideMargins) && (w.GetMarginTop() > (ty + labelH + 8))) {
dc.DrawText( m_name, (endPx - startPx - tx)>>1, orgy - 6 - ty - labelH);
} else {
dc.DrawText( m_name, extend - tx - 4, orgy + 4);
}
} break;
case mpALIGN_BORDER_TOP:
dc.DrawText( m_name, extend - tx - 4, orgy + 6 + labelH);
break;
default:
break;
}
}
/* if (m_flags != mpALIGN_TOP) {
if ((m_flags == mpALIGN_BORDER_BOTTOM) || (m_flags == mpALIGN_TOP)) {
dc.DrawText( m_name, extend - tx - 4, orgy - 4 - (ty*2));
} else {
dc.DrawText( m_name, extend - tx - 4, orgy - 4 - ty); //orgy + 4 + ty);
}
}; */
}
IMPLEMENT_DYNAMIC_CLASS(mpScaleY, mpLayer)
mpScaleY::mpScaleY(wxString name, int flags, bool ticks)
{
SetName(name);
SetFont( (wxFont&) *wxSMALL_FONT);
SetPen( (wxPen&) *wxGREY_PEN);
m_flags = flags;
m_ticks = ticks;
m_type = mpLAYER_AXIS;
m_labelFormat = wxT("");
}
void mpScaleY::Plot(wxDC & dc, mpWindow & w)
{
if (m_visible) {
dc.SetPen( m_pen);
dc.SetFont( m_font);
int orgx=0;
const int extend = w.GetScrY(); // /2;
if (m_flags == mpALIGN_CENTER)
orgx = w.x2p(0); //(int)(w.GetPosX() * w.GetScaleX());
if (m_flags == mpALIGN_LEFT) {
if (m_drawOutsideMargins)
orgx = Y_BORDER_SEPARATION;
else
orgx = w.GetMarginLeft();
}
if (m_flags == mpALIGN_RIGHT) {
if (m_drawOutsideMargins)
orgx = w.GetScrX() - Y_BORDER_SEPARATION;
else
orgx = w.GetScrX() - w.GetMarginRight();
}
if (m_flags == mpALIGN_BORDER_RIGHT )
orgx = w.GetScrX() - 1; //dc.LogicalToDeviceX(0) - 1;
if (m_flags == mpALIGN_BORDER_LEFT )
orgx = 1; //-dc.LogicalToDeviceX(0);
// Draw line