mirror of https://github.com/rene-dev/stmbl.git
87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
#include "basicdrawpane.hpp"
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#include <wx/graphics.h>
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const wxPen BasicDrawPane::pen[] = {
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*wxBLACK_PEN,
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*wxRED_PEN,
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*wxBLUE_PEN,
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*wxGREEN_PEN,
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wxPen(wxColour(255, 128, 0)),
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wxPen(wxColour(128, 128, 64)),
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wxPen(wxColour(128, 64, 128)),
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wxPen(wxColour(64, 128, 128))
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};
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BasicDrawPane::BasicDrawPane(wxFrame* parent, int ch) : wxPanel(parent){
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time = wxGetUTCTimeMillis();
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Bind(wxEVT_PAINT, &BasicDrawPane::paintEvent, this);
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xpos = 0;
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channels = ch;
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for (int i = 0; i<channels; i++) {
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data.push_back(std::vector<float>());
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for (int j = 0; j<1024; j++) {
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data[i].push_back(0);
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}
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}
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}
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void BasicDrawPane::Clear(){
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for (int i = 0; i<channels; i++) {
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for (auto &d : data[i]){
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d = 0;
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}
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}
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xpos = 0;
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Refresh();
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}
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/*
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* Called by the system of by wxWidgets when the panel needs
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* to be redrawn. You can also trigger this call by
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* calling Refresh()/Update().
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*/
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void BasicDrawPane::paintEvent(wxPaintEvent & evt)
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{
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wxPaintDC dc(this);
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wxCoord w,h;
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dc.GetSize(&w, &h);
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wxGraphicsContext *gc = wxGraphicsContext::Create( dc );
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if (gc)
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{
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for (int i = 0; i<channels; i++) {
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wxGraphicsPath path = gc->CreatePath();
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gc->SetPen(pen[i]);
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x = 0;
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y = h/2;
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xstep = (double)w/(double)(data[i].size()-1);
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path.MoveToPoint(x, y);
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for(auto point : data[i]){
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y = h/2-point*h/2;
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path.AddLineToPoint(x, y);
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x += xstep;
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}
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gc->StrokePath(path);
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}
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//center line
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wxGraphicsPath path = gc->CreatePath();
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gc->SetPen(*wxGREY_PEN);
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path.MoveToPoint(0, h/2);
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path.AddLineToPoint(w, h/2);
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path.CloseSubpath();
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gc->StrokePath(path);
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delete gc;
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}
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}
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void BasicDrawPane::plotvalue(float values[])
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{
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for (int i = 0; i<channels; i++) {
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data[i].at(xpos) = (float)values[i];
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}
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xpos = ((int)xpos+1)%data[0].size();
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Refresh();
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}
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