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mid2svg.cpp
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//
// Programmer: Craig Stuart Sapp <[email protected]>
// Creation Date: Fri Feb 19 22:25:22 PST 2016
// Last Modified: Sat Feb 27 18:16:39 PST 2016
// Filename: midifile/tools/mid2svg.cpp
// Web Address: https://github.com/craigsapp/midifile/blob/master/tools/mid2svg.cpp
// Syntax: C++; museinfo
//
// Description: Convert a MIDI file into an SVG piano roll.
//
#include "MidiFile.h"
#include "Options.h"
#include <sstream>
#include <iostream>
#include <algorithm>
#include <stdio.h>
#include <string.h>
#include <math.h>
using namespace std;
using namespace smf;
// User interface variables:
Options options;
int dataQ = 0; // used with -d option
int roundedQ = 0; // used with -r option
int darkQ = 0; // used with --dark option
int bwQ = 0; // used with --bw option
double Scale = 1.0; // used with -s option
double Border = 2.0; // used with -b option
double Opacity = 0.75; // used with -o option
double drumQ = 0; // used with --drum option
int lineQ = 0; // used with -l option
int curveQ = 0; // used with --cl option
int radiusQ = 0; // used with --rl option
double radius = 1.0; // used with --rl option
int staffQ = 0; // used with --staff option
int clefQ = 0; // used with --clef option
int braceQ = 0; // used with --clef option
int diatonicQ = 0; // used with --diatonic option
int grandQ = 0; // used with --gs option
int finalQ = 0; // used with -f option
int doubleQ = 0; // used with --double option
int transparentQ = 1; // used with -T option
bool velocitybQ = false; // used with -v option
double ClefFactor = 6;
double StaffThickness = 2.0; // used with --staff-width
double LineThickness = 2.0; // used with --line-width
string StaffColor = "#555555"; // used with -staff-color
string ClefColor = "#555555"; // used with -clef-color
double MaxRest = 4.0; // used with --max-rest option
double EndSpace = 0.0; // used with -e option
int percmapQ = 0; // used with --perc option
double AspectRatio = 2.5; // used with -a option
vector<int> PercussionMap; // used with --perc option
vector<string> Shapes;
// Function declarations:
void checkOptions (Options& opts, int argc, char* argv[]);
void usage (const char* command);
void example (void);
void convertMidiFileToSvg (stringstream& output, MidiFile& midifile,
Options& options);
int hasNotes (MidiEventList& eventlist);
void getMinMaxPitch (const MidiFile& midifile,
int& minpitch, int &maxpitch);
void getMinMaxTrackPitch (const MidiEventList& evl,
int& minpitch, int &maxpitch);
double getMaxTime (const MidiFile& midifile);
vector<double> getTrackHues (MidiFile& midifile);
void drawNote (ostream& out, MidiFile& midifile,
int i, int j, int dataQ,
int minpitch, int maxpitch);
void drawLines (ostream& out, MidiFile& midifile,
vector<double>& hues, Options& options);
void printLineToNextNote (ostream& out, MidiFile& midifile,
int track, int index, Options& options);
void drawStaves (ostream& out, double staffwidth,
const string& staffcolor,
double totalduration);
int base12ToBase7 (int pitch);
void printDoubleClass (ostream& out, double value);
void makeMappings (vector<int>& mapping,
const string& mapstring);
void drawNoteShape (ostream& out, string& shape, double x,
double y, double width, double height);
void drawRectangle (ostream& out, double x, double y,
double width, double height);
void drawDiamond (ostream& out, double x, double y,
double width, double height);
void drawEyelid (ostream& out, double x, double y,
double width, double height);
void drawPlus (ostream& out, double x, double y,
double width, double height);
void drawOval (ostream& out, double x, double y,
double width, double height);
void drawAntiOval (ostream& out, double x, double y,
double width, double height);
void drawRound1 (ostream& out, double x, double y,
double width, double height);
void drawRound2 (ostream& out, double x, double y,
double width, double height);
void drawRound3 (ostream& out, double x, double y,
double width, double height);
void drawRound4 (ostream& out, double x, double y,
double width, double height);
void drawAntiRound (ostream& out, double x, double y,
double width, double height);
void drawAntiRound1 (ostream& out, double x, double y,
double width, double height);
void drawAntiRound2 (ostream& out, double x, double y,
double width, double height);
void drawAntiRound3 (ostream& out, double x, double y,
double width, double height);
void drawAntiRound4 (ostream& out, double x, double y,
double width, double height);
void drawCurvedInner (ostream& out, double x, double y,
double width, double height);
void drawCurvedInner1 (ostream& out, double x, double y,
double width, double height);
void drawCurvedInner2 (ostream& out, double x, double y,
double width, double height);
void drawCurvedInner3 (ostream& out, double x, double y,
double width, double height);
void drawCurvedInner4 (ostream& out, double x, double y,
double width, double height);
void drawCurvedOuter (ostream& out, double x, double y,
double width, double height);
void drawCurvedOuter1 (ostream& out, double x, double y,
double width, double height);
void drawCurvedOuter2 (ostream& out, double x, double y,
double width, double height);
void drawCurvedOuter3 (ostream& out, double x, double y,
double width, double height);
void drawCurvedOuter4 (ostream& out, double x, double y,
double width, double height);
void drawTriangleUp (ostream& out, double x, double y,
double width, double height);
void drawTriangleDown (ostream& out, double x, double y,
double width, double height);
void drawTriangleLeft (ostream& out, double x, double y,
double width, double height);
void drawTriangleRight (ostream& out, double x, double y,
double width, double height);
void drawTriangleRoundLeft (ostream& out, double x, double y,
double width, double height);
void drawTriangleRoundRight(ostream& out, double x, double y,
double width, double height);
void drawHexThick (ostream& out, double x, double y,
double width, double height);
void drawHexThin (ostream& out, double x, double y,
double width, double height);
string getTrackShape (int track);
void drawClefs (ostream& out);
void drawBrace (ostream& out);
//////////////////////////////////////////////////////////////////////////
int main(int argc, char* argv[]) {
checkOptions(options, argc, argv);
MidiFile midifile(options.getArg(1));
stringstream notes;
int minpitch = -1;
int maxpitch = -1;
getMinMaxPitch(midifile, minpitch, maxpitch);
convertMidiFileToSvg(notes, midifile, options);
double minx = 0;
double miny = minpitch;
double width = getMaxTime(midifile);
double height = maxpitch - minpitch + 1;
double clefwidth = 0;
if (clefQ) {
clefwidth = 180 / 12;
}
cout << "<?xml version=\"1.0\""
<< " encoding=\"UTF-8\""
<< " standalone=\"no\""
<< "?>\n";
cout << "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\""
<< " \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\""
<< ">\n";
cout << "<svg"
<< " version=\"1.1\""
<< " xmlns=\"http://www.w3.org/2000/svg\""
<< " xmlns:xlink=\"http://www.w3.org/1999/xlink\""
<< " viewPort=\"" << minx << " " << miny << " "
<< width << " " << height << "\""
<< " viewBox=\"" << (-Border - clefwidth) * Scale << " "
<< -Border * Scale << " "
<< ((width + EndSpace) * AspectRatio + 2 * Border +
clefwidth) * Scale << " "
<< (height + (2 * Border)) * Scale << "\""
<< " width=\"" << ((width + EndSpace) * AspectRatio + 2 * Border +
clefwidth) * Scale << "\""
<< " height=\"" << (height + 2 * Border) * Scale << "\""
<< ">\n";
// Graphics setup:
// This filter is used to show overlap between notes:
if (transparentQ && !bwQ) {
cout << "<filter id=\"constantOpacity\">\n";
cout << "\t<feComponentTransfer>\n";
cout << "\t\t<feFuncA type=\"table\" tableValues=\"0 .5 .5\" />\n";
cout << "\t</feComponentTransfer>\n";
cout << "</filter>\n";
}
if (darkQ && !bwQ) {
cout << "<rect class=\"background\" x=\"-500%\" y=\"-500%\""
<< " width=\"1000%\" height=\"1000%\" style=\"fill:black\" />\n";
}
cout << "<g"
<< " transform=\""
<< "scale(" << 1 * Scale * AspectRatio << ", " << -Scale << ")"
<< " translate(0, " << -(maxpitch+1) << ")"
<< "\" >\n";
// Print the piano roll note boxes:
cout << notes.str();
// Graphics setup end closing:
cout << "</g>\n";
cout << "</svg>\n";
cout << "<?mid2svg\n\t";
for (int i=1; i<argc; i++) {
if (strchr(argv[i], ' ') != NULL) {
cout << '"';
}
cout << argv[i];
if (strchr(argv[i], ' ') != NULL) {
cout << '"';
}
if (i<argc-1) {
cout << " ";
}
}
cout << "\n?>\n";
return 0;
}
//////////////////////////////////////////////////////////////////////////
//////////////////////////////
//
// convetMidiFileToSvg --
//
void convertMidiFileToSvg(stringstream& output, MidiFile& midifile,
Options& options) {
midifile.linkNotePairs(); // first link note-ons to note-offs
midifile.doTimeAnalysis(); // then create ticks to seconds mapping
stringstream notes;
if (staffQ) {
drawStaves(notes, StaffThickness, StaffColor,
midifile.getFileDurationInSeconds());
if (clefQ) {
drawClefs(notes);
}
if (braceQ) {
drawBrace(notes);
}
}
string strokecolor = options.getString("stroke-color");
double strokewidth = options.getDouble("stroke-width") * Scale;
notes << "\t<g"
<< " style=\""
<< "stroke-width:" << strokewidth << ";"
<< " stroke:" << strokecolor << ";"
<< "\""
<< ">\n";
vector<double> trackhues = getTrackHues(midifile);
if (lineQ) {
drawLines(notes, midifile, trackhues, options);
}
int minpitch = 0;
int maxpitch = 0;
// Draw background for increasing contrast of notes and background
// (needed due to constant opacity filter):
int track = 0;
if (!bwQ) {
for (int i=midifile.size()-1; i>=0; i--) {
if (!hasNotes(midifile[i])) {
continue;
}
getMinMaxTrackPitch(midifile[i], minpitch, maxpitch);
track = i;
notes << "\t\t<g"
<< " opacity=\"0.5\"";
notes << " class=\"note-backdrops " << "track-" << i << "\"";
if (trackhues[i] >= 0.0) {
if (bwQ) {
notes << " style=\""
<< "fill:none;"
<< "\"";
} else if (darkQ) {
notes << " style=\""
<< "fill:white;"
<< "\"";
} else {
notes << " style=\""
<< "fill:black;"
<< "\"";
}
}
notes << " >\n";
for (int j=0; j<midifile[i].size(); j++) {
if (!midifile[i][j].isNoteOn()) {
continue;
}
if (!drumQ) {
if (midifile[i][j].getChannel() == 0x09) {
continue;
}
}
drawNote(notes, midifile, i, j, 0, minpitch, maxpitch);
}
notes << "\t\t</g>\n";
}
}
// draw the actual notes:
for (int i=midifile.size()-1; i>=0; i--) {
if (!hasNotes(midifile[i])) {
continue;
}
track = i;
getMinMaxTrackPitch(midifile[i], minpitch, maxpitch);
notes << "\t\t<g"
<< " class=\"track-" << track << "\"";
if (transparentQ && !bwQ) {
notes << " filter=\"url(#constantOpacity)\"";
}
if (trackhues[i] >= 0.0) {
if (bwQ) {
notes << " style=\""
<< " fill:white;"
<< "\"";
} else {
notes << " style=\""
<< "opacity:" << Opacity << ";"
<< " fill:hsl(" << trackhues[i] << ", 100%, 75%);"
<< "\"";
}
}
notes << " >\n";
for (int j=0; j<midifile[i].size(); j++) {
if (!midifile[i][j].isNoteOn()) {
continue;
}
if (!drumQ) {
if (midifile[i][j].getChannel() == 0x09) {
continue;
}
}
drawNote(notes, midifile, i, j, dataQ, minpitch, maxpitch);
}
notes << "\t\t</g>\n";
}
notes << "\t</g>\n";
output << notes.str();
}
//////////////////////////////
//
// drawBrace -- Draw curley brace
//
void drawBrace(ostream& out) {
double unscale = 2.5 / AspectRatio;
string fill = ClefColor;
string stroke = ClefColor;
if (bwQ) {
fill = "transparent";
}
double strokewidth = StaffThickness * ClefFactor;
double xpos = 30.5;
double ypos = -324;
out << "<g transform=\"scale(" << unscale << ", 1)\">\n";
out <<
" <g class=\"brace\" transform=\"rotate(0.2) translate(" << xpos << "," << ypos << ") scale(1,-1) scale(.0175)\">\n"
" <path vector-effect=\"non-scaling-stroke\" stroke=\"" << stroke << "\" fill=\"" << fill << "\" stroke-width=\"" << strokewidth << "\" stroke-linejoin=\"round\" d=\"M-2031.812-22924.453\n"
" c-24.919,88.91-36.494,171.418-39.024,279.09c-2.379,101.156,9.877,207.264,16.991,305.533\n"
" c6.605,91.162,10.955,191.51-0.048,282.248c-2.757,22.732-8.614,43.227-13.597,63.254c-8.261,33.207-2.886,38.68,5.136,72.111\n"
" c10.485,43.689,11.808,90.887,13.172,140.795c3.604,132-16.215,270.613-24.675,400.074\n"
" c-8.818,134.883,3.651,255.861,34.113,366.164c-17.906-92.289-29.886-179.082-25.068-283.635\n"
" c4.572-99.275,18.379-195.207,24.078-294.23c5.11-88.826,9.914-203.154-8.344-284.342c-4.91-21.82-10.217-42.227-15.835-62.98\n"
" c-9.146-33.812-7.235-31.322,2.353-65.664c11.021-39.504,20.774-80.965,24.589-128.662c10.5-131.361-2.347-271.072-13.816-398.416\n"
" c-5.957-66.148-10.878-134.006-7.34-202.238C-2055.575-22803.877-2044.086-22863.117-2031.812-22924.453L-2031.812-22924.453z\"/>\n"
" </g>\n";
out << "</g>\n";
}
//////////////////////////////
//
// drawClefs --
//
void drawClefs(ostream& out) {
string fill = ClefColor;
string stroke = ClefColor;
double unscale = 2.5 / AspectRatio;
double strokewidth = StaffThickness * ClefFactor;
if (bwQ) {
fill = "transparent";
}
out << "<g transform=\"scale(" << unscale << ", 1)\">\n";
out <<
" <g vector-effect=\"non-scaling-stroke\" class=\"treble-clef\" stroke=\"" << stroke << "\" stroke-width=\"" << strokewidth << "\" fill=\"" << fill << "\" transform=\"translate(-17.25, 5.15) scale(0.06, 0.07)\">\n"
" <path vector-effect=\"non-scaling-stroke\" d=\"M250.026,1080.111c-2.375-5.813-4.501-12.037-5.616-19.656c-1.07-7.32-1.387-15.609-1.62-23.113\n"
" c-0.426-13.713,0.409-28.548,1.296-41.038c0.132-1.861,0.517-3.882,0.432-5.183c-0.118-1.794-1.622-3.834-2.484-5.401\n"
" c-4.551-8.266-9.023-16.291-13.176-25.488c-3.56-7.883-6.46-16.235-8.316-27.648c-1.087-6.682-1.406-14.26-2.053-21.816"
" c0-3.313,0-6.623,0-9.936c0.817-17.854,4.099-30.916,9.396-39.743c1.084-1.808,2.228-3.951,3.24-5.186\n"
" c6.218-7.579,16.081-9.873,25.812-7.343c0.598-8.887,1.858-19.53,2.376-28.944c0.193-3.49,0.54-7.194,0.54-10.368\n"
" c-0.003-13.193-3.44-20.603-7.452-26.135c-3.645-2.613-9.925-3.099-13.176,0.43c4.904-0.174,8.174,5.425,9.612,12.744\n"
" c2.427,12.351-1.738,24.386-7.344,25.918c-8.458,2.316-13.738-12.691-11.556-28.295c1.622-11.598,6.603-18.42,13.176-19.655\n"
" c5.073-0.956,10.149,0.426,13.608,5.399c1.988,2.858,4.009,7.685,4.968,11.879c1.246,5.448,2.18,12.212,2.16,18.792\n"
" c-0.01,3.246-0.453,6.761-0.648,10.152c-0.614,10.689-1.579,19.729-2.376,29.812c6.095,5.437,10.941,13.432,13.392,25.704\n"
" c1.302,6.52,2.035,15.517,1.727,23.111c-0.375,9.302-2.565,17.712-5.183,23.975c-3.863,9.248-9.852,13.985-17.604,14.257\n"
" c-0.849,9.749-1.633,19.633-2.593,29.159c2.376,4.619,4.55,9.643,6.805,14.906c2.185,5.095,3.892,11.286,5.508,17.712\n"
" c2.98,11.855,5.576,29.004,5.4,46.44c-0.102,10.157-1.538,19.319-3.24,27.215c-1.691,7.847-3.557,15.81-6.912,20.089\n"
" c-0.36,0-0.72,0-1.08,0C254.113,1090.306,252.068,1085.104,250.026,1080.111z M248.19,997.6\n"
" c-1.362,15.429-0.295,36.475,2.7,48.384c1.367,5.441,2.426,10.329,4.428,15.122c0.854,2.04,3.006,5.909,4.104,5.83\n"
" c2.104-0.153,3.064-9.245,3.24-13.824c0.542-14.092-2.623-28.387-5.832-37.366C254.247,1008.515,250.911,1002.572,248.19,997.6z\n"
" M249.27,935.823c-6.565-5.809-13.02-17.569-13.716-34.776c-0.425-10.517,1.463-18.693,3.888-24.624\n"
" c1.422-3.478,3.789-6.692,6.156-9.072c1.287-1.293,4.09-3.666,3.996,1.296c-0.048,2.584-2.504,4.06-3.888,6.263\n"
" c-2.557,4.079-4.489,12.399-3.348,21.385c0.481,3.784,1.636,7.983,2.808,10.153c1.458,2.697,3.725,4.34,6.048,5.615\n"
" c1.987-19.137,3.451-39.323,5.292-58.753c-4.493-1.347-9.224-1.49-13.068-0.213c-6.922,2.298-11.753,12.045-14.256,23.111\n"
" c-1.838,8.128-2.944,20.546-1.837,31.752c0.529,5.353,1.939,11.271,3.348,15.984c4.113,13.751,11.055,26.606,16.308,36.289\n"
" C247.971,952.523,248.466,943.862,249.27,935.823z M260.286,855.473c-1.479,19.361-3.545,38.701-4.86,57.671\n"
" c5.07-0.638,9.023-3.541,11.556-9.718c4.25-10.369,3.378-29.217-0.648-39.53C264.924,860.283,262.694,856.868,260.286,855.473z\"/>\n"
" </g>\n";
out <<
" <g class=\"bass-clef\" fill=\"" << fill << "\" stroke=\"" << stroke << "\" transform=\"scale(1.02, 1) translate(-0.25, 0.25)\" stroke-width=\"" << strokewidth << "\">\n"
" <g transform=\"matrix(0.1835537,0,0,0.1830159,-98.297967,-1128.8415)\">\n"
" <path vector-effect=\"non-scaling-stroke\" d=\"M514.308,6407.837c3.419,4.086,5.655,9.64,7.124,12.803\n"
" c2.204,4.648,4.046,10.097,5.538,16.384c1.492,6.287,2.238,13.068,2.238,20.385c0,4.115-0.338,7.925-0.991,11.507\n"
" c-0.653,3.543-1.527,6.4-2.647,8.459c-1.108,2.095-2.297,3.125-3.545,3.125c-1.142,0-2.262-0.687-3.369-2.135\n"
" c-1.119-1.41-2.029-3.505-2.752-6.325c-0.711-2.819-1.073-6.135-1.073-9.982c0-3.011,0.326-5.411,0.968-7.317\n"
" c0.653-1.867,1.446-2.78,2.379-2.78c0.513,0,0.991,0.342,1.422,1.104c0.431,0.724,0.769,1.753,1.014,3.011\n"
" c0.245,1.257,0.373,2.628,0.373,4.077c0,2.019-0.245,3.733-0.735,5.144c-0.501,1.41-1.049,2.132-1.667,2.132\n"
" c-0.21,0-0.466-0.152-0.781-0.38c-0.303-0.229-0.501-0.342-0.571-0.342c-0.14,0-0.292,0.152-0.466,0.495\n"
" c-0.175,0.342-0.268,0.799-0.292,1.41c0.07,0.495,0.117,0.838,0.117,1.104c0.338,2.896,0.944,4.953,1.796,6.249\n"
" c0.863,1.258,1.784,1.905,2.763,1.905c1.014,0,1.83-0.953,2.46-2.858c0.63-1.943,1.073-4.344,1.329-7.277\n"
" c0.268-2.896,0.396-5.981,0.396-9.22c-0.035-3.468-0.221-7.125-0.583-10.897c-0.361-3.81-0.804-7.163-1.317-10.059\n"
" c-0.653-3.925-1.458-7.468-2.414-10.593c-0.956-3.124-1.889-5.752-2.775-7.849c-0.886-2.133-2.731-5.973-4.104-9.297\n"
" C514,6409.468,514.126,6407.62,514.308,6407.837z\"/>\n"
" <path vector-effect=\"non-scaling-stroke\" d=\"M531.259,6465.557c0.313-0.979,0.705-1.415,1.189-1.415\n"
" c0.457,0,0.862,0.436,1.228,1.306c0.339,0.908,0.522,2.032,0.522,3.339c0,1.233-0.17,2.358-0.522,3.302\n"
" c-0.353,0.979-0.745,1.488-1.163,1.488c-0.483,0-0.888-0.436-1.215-1.343c-0.34-0.871-0.509-1.958-0.509-3.266\n"
" C530.789,6467.626,530.945,6466.5,531.259,6465.557z\"/>\n"
" <path vector-effect=\"non-scaling-stroke\" d=\"M531.272,6447.847c0.327-0.871,0.732-1.342,1.241-1.342\n"
" c0.457,0,0.849,0.471,1.189,1.378c0.327,0.908,0.497,2.033,0.497,3.447c0,1.162-0.183,2.214-0.522,3.193\n"
" c-0.366,0.98-0.745,1.452-1.163,1.452c-0.509,0-0.914-0.436-1.241-1.343c-0.313-0.87-0.483-1.996-0.483-3.301\n"
" C530.789,6449.879,530.958,6448.717,531.272,6447.847z\"/>\n"
" </g>\n"
" </g>\n";
out << "</g>\n";
}
//////////////////////////////
//
// drawStaves --
//
void drawStaves(ostream& out, double staffwidth, const string& staffcolor,
double totalduration) {
vector<double> vpos;
double unscale = 2.5 / AspectRatio;
if (diatonicQ) {
vpos.insert(vpos.end(), {37.5, 39.5, 41.5, 43.5, 45.5}); // treble clef
vpos.insert(vpos.end(), {25.5, 27.5, 29.5, 31.5, 33.5}); // bass clef
} else {
vpos.insert(vpos.end(), {64.5, 67.5, 71.5, 74.5, 77.5}); // treble clef
vpos.insert(vpos.end(), {43.5, 47.5, 50.5, 53.5, 57.5}); // bass clef
}
out << "\t<g"
<< " class=\"staff-lines\""
<< " stroke-width=\"" << staffwidth << "\""
<< " stroke=\"" << staffcolor << "\""
<< ">\n";
double start = 0.0;
if (clefQ) {
start = -4.65 * unscale;
}
double endx = totalduration + EndSpace;
for (int i=0; i<(int)vpos.size(); i++) {
out << "\t\t<path vector-effect=\"non-scaling-stroke\""
<< " d=\"M" << start << " " << vpos[i]
<< " L" << endx << " " << vpos[i] << "\" />\n";
}
double maxy = *max_element(vpos.begin(), vpos.end());
double miny = *min_element(vpos.begin(), vpos.end());
double thickness = 0.5 * unscale;
if (finalQ) {
out << "\t\t<path stroke=\"#cccccc\" fill=\"#cccccc\""
<< " d=\"M" << endx << "," << miny
<< " L" << endx << "," << maxy
<< " L" << endx - thickness << "," << maxy
<< " L" << endx - thickness << "," << miny
<< " z"
<< "\"/>\n";
out << "\t\t<path stroke=\"" << StaffColor << "\" fill=\"" << StaffColor << "\""
<< " d=\"M" << endx-thickness-thickness/2.0 << "," << miny
<< " L" << endx-thickness-thickness/2.0 << "," << maxy
<< "\"/>\n";
} else if (doubleQ) {
out << "\t\t<path vector-effect=\"non-scaling-stroke\""
<< " d=\"M" << endx-thickness << "," << miny
<< " L" << endx-thickness << "," << maxy
<< "\"/>\n";
out << "\t\t<path vector-effect=\"non-scaling-stroke\""
<< " d=\"M" << endx << "," << miny
<< " L" << endx << "," << maxy
<< "\"/>\n";
}
if (braceQ) {
// staffwidth = 5 * staffwidth;
out << "\t\t<path vector-effect=\"non-scaling-stroke\""
<< " d=\"M" << start << "," << miny
<< " L" << start << "," << maxy
<< " z"
<< "\"/>\n";
}
out << "\t</g>\n";
}
//////////////////////////////
//
// drawLines -- Draw lines to connect notes.
//
void drawLines(ostream& out, MidiFile& midifile, vector<double>& hues,
Options& options) {
int dashing = options.getBoolean("dash");
int track = 0;
for (int i=midifile.size()-1; i>=0; i--) {
if (!hasNotes(midifile[i])) {
continue;
}
track = i;
string color = "hsl(" + to_string(hues[i]) + ", 100%, 75%)";
if (bwQ) {
color = StaffColor;
}
out << "\t\t<g"
<< " class=\"note-lines track-" << track << "\""
<< " fill=\"none\" stroke=\"" << color << "\"";
// double scale = options.getDouble("scale");
if (dashing) {
double dwidth = 2.25;
out << " stroke-dasharray=\"" << dwidth << "\"";
out << " vector-effect=\"non-scaling-stroke\"";
}
out << " stroke-width=\""<< LineThickness << "\">\n";
for (int j=0; j<midifile[i].size(); j++) {
if (!midifile[i][j].isNoteOn()) {
continue;
}
printLineToNextNote(out, midifile, i, j, options);
}
out << "\t\t</g>\n";
}
}
//////////////////////////////
//
// printLineToNextNote --
//
void printLineToNextNote(ostream& out, MidiFile& midifile, int track,
int index, Options& options) {
int p1 = midifile[track][index].getP1();
if (midifile[track][index].getChannel() == 9) {
p1 = PercussionMap[p1];
}
if (diatonicQ) {
p1 = base12ToBase7(p1);
}
double endtime = midifile[track][index].seconds
+ midifile[track][index].getDurationInSeconds();
stringstream path;
int nextindex = -1;
for (int i=index+1; i<midifile[track].size(); i++) {
if (!midifile[track][i].isNoteOn()) {
continue;
}
if (midifile[track][i].seconds >= endtime) {
nextindex = i;
break;
}
}
if (nextindex < 0) {
return;
}
int p2 = midifile[track][nextindex].getP1();
if (midifile[track][nextindex].getChannel() == 9) {
p2 = PercussionMap[p2];
}
if (diatonicQ) {
p2 = base12ToBase7(p2);
}
double nextstarttime = midifile[track][nextindex].seconds;
double difference = nextstarttime - endtime;
if (difference > MaxRest) {
// don't connect notes after long rests.
return;
}
double Ax = endtime;
double Ay = p1 + 0.5;
double Bx = nextstarttime;
double By = p2 + 0.5;
double Cx = nextstarttime;
double Cy = p1 + 0.5;
double tradius = radius;
if (tradius > fabs(Cx - Ax)) {
tradius = fabs(Cx - Ax);
}
if (tradius > fabs(By - Cy)) {
tradius = fabs(By - Cy);
}
double Rx = tradius / AspectRatio;
double Ry = tradius;
double Dx = Cx;
double Dy = Cy + Ry;
double Dxn = Cx;
double Dyn = Cy - Ry;
double Ex = Cx - Rx;
double Ey = Cy;
if (radiusQ && (radius > 0)) {
if (Ay < By) {
path << " M" << Ax << " " << Ay;
path << " L" << Ex << " " << Ey;
path << " A" << Rx << " " << Ry << " 0 0 1 ";
path << Dx << " " << Dy;
path << " L" << Bx << " " << By;
} else {
path << " M" << Ax << " " << Ay;
path << " L" << Ex << " " << Ey;
path << " A" << Rx << " " << Ry << " 0 0 0 ";
path << Dxn << " " << Dyn;
path << " L" << Bx << " " << By;
}
} else if (curveQ) {
if (difference > 0.0) {
path << " M" << Ax << "," << Ay;
path << " Q" << Cx << "," << Cy;
path << " " << Bx << " " << By;
} else {
// vertical line:
path << " M" << Cx << " " << Cy;
path << " L" << Bx << " " << By;
}
} else {
if (difference > 0.0) {
// there is a rest so extent the line horizontally
path << " M" << Ax << " " << Ay;
path << " L" << Cx << " " << Cy;
path << " L" << Bx << " " << By;
} else {
// vertical line:
path << " M" << Cx << " " << Cy;
path << " L" << Bx << " " << By;
}
}
out << "\t\t\t<path ";
out << " vector-effect=\"non-scaling-stroke\"";
out << " stroke-linejoin=\"round\"";
out << " d=\"" << path.str() << "\" />\n";
}
//////////////////////////////
//
// drawNote --
//
void drawNote(ostream& out, MidiFile& midifile, int i, int j, int dataQ,
int minpitch, int maxpitch) {
int tickstart, tickend, tickdur;
double starttime, endtime, duration;
int height = 1;
tickstart = midifile[i][j].tick;
starttime = midifile[i][j].seconds;
if (midifile[i][j].isLinked()) {
tickdur = midifile[i][j].getTickDuration();
tickend = tickstart + tickdur;
duration = midifile[i][j].getDurationInSeconds();
endtime = starttime + duration;
} else {
tickdur = 0;
tickend = tickstart;
duration = 0.0;
endtime = starttime;
}
int pitch = midifile[i][j].getP1();
if (midifile[i][j].getChannel() == 9) {
pitch = PercussionMap[pitch];
}
int pitch12 = pitch;
if (diatonicQ) {
pitch = base12ToBase7(pitch);
}
int velocity = midifile[i][j].getP2();
int channel = midifile[i][j].getChannel(); // 0-offset
int track = i; // 0-offset
if (dataQ) {
out << "\t\t\t<!-- ==========================================" << endl;
out << "\t\t\t\t@Track: " << track << endl;
out << "\t\t\t\t@Pitch: " << pitch << endl;
out << "\t\t\t\t@Minpitch: " << minpitch << endl;
out << "\t\t\t\t@Maxpitch: " << maxpitch << endl;
out << "\t\t\t\t@Velocity: " << velocity << endl;
out << "\t\t\t\t@Channel: " << channel << endl;
out << "\t\t\t\t@Start-tick: " << tickstart << " ticks" << endl;
out << "\t\t\t\t@End-tick: " << tickend << " ticks" << endl;
out << "\t\t\t\t@Tick-dur: " << tickdur << " ticks" << endl;
out << "\t\t\t\t@Start-time: " << starttime << " seconds" << endl;
out << "\t\t\t\t@End-time: " << endtime << " seconds" << endl;
out << "\t\t\t\t@Duration: " << duration << " seconds" << endl;
out << "\t\t\t=========================================== -->" << endl;
}
// note box:
out << "\t\t\t<g";
if (velocitybQ) {
double bright = velocity / 127.0;
bright -= 0.2;
if (bright < 0.0) {
bright = 0.0;
}
bright *= 100;
bright = int(bright);
double hue = 0;
out << " fill=\"hsl(";
out << hue;
out << ",100%,";
out << bright;
out << "%)\"";
}
out << " class=\"note key-" << pitch12;
out << " ont-";
printDoubleClass(out, starttime);
out << " offt-";
printDoubleClass(out, starttime + duration);
if (pitch <= minpitch) {
out << " minima";
}
if (pitch >= maxpitch) {
out << " maxima";
}
out << "\"";
out << ">\n";
// string shape = "diamond";
// string shape = "rectangle";
// string shape = "eyelid";
// string shape = "hexthin";
// string shape = "hexthick";
// string shape = "plus";
// string shape = "round1";
// string shape = "round2";
// string shape = "round3";
// string shape = "round4";
// string shape = "oval";
// string shape = "antioval";
// string shape = "antiround";
// string shape = "antiround1";
// string shape = "antiround2";
// string shape = "antiround3";
// string shape = "antiround4";
// string shape = "triangleup";
// string shape = "triangledown";
// string shape = "triangleleft";
// string shape = "triangleright";
// string shape = "triangleroundleft";
// string shape = "triangleroundright";
// string shape = "curvedinner";
// string shape = "curvedinner1";
// string shape = "curvedinner2";
// string shape = "curvedinner3";
// string shape = "curvedinner4";
// string shape = "curvedouter";
// string shape = "curvedouter1";
// string shape = "curvedouter2";
// string shape = "curvedouter3";
// string shape = "curvedouter4";
string shape = getTrackShape(track);
drawNoteShape(out, shape, starttime, pitch, duration, height);
out << "\t\t\t</g>\n";
}
//////////////////////////////
//
// getTrackShape --
//
string getTrackShape(int track) {
if (track < 0) {
track = 0;
}
if (track > 0) {
track = track - 1;
}
if (track < (int)Shapes.size()) {
return Shapes[track];
} else {
return "rectangle";
}
}
//////////////////////////////
//
// drawNoteShape -- Draw the desired note shape.
//
void drawNoteShape(ostream& out, string& shape, double x, double y,
double width, double height) {
if (shape == "rectangle") {
drawRectangle(out, x, y, width, height);
} else if (shape == "diamond") {
drawDiamond(out, x, y, width, height);
} else if (shape == "eyelid") {
drawEyelid(out, x, y, width, height);
} else if (shape == "hexthin") {
drawHexThin(out, x, y, width, height);
} else if (shape == "hexthick") {
drawHexThick(out, x, y, width, height);
} else if (shape == "plus") {
drawPlus(out, x, y, width, height);
} else if (shape == "round1") {
drawRound1(out, x, y, width, height);
} else if (shape == "round2") {
drawRound2(out, x, y, width, height);
} else if (shape == "round3") {
drawRound3(out, x, y, width, height);
} else if (shape == "round4") {
drawRound4(out, x, y, width, height);
} else if (shape == "oval") {
drawOval(out, x, y, width, height);
} else if (shape == "antioval") {
drawAntiOval(out, x, y, width, height);
} else if (shape == "antiround") {
drawAntiRound(out, x, y, width, height);
} else if (shape == "antiround1") {
drawAntiRound1(out, x, y, width, height);
} else if (shape == "antiround2") {
drawAntiRound2(out, x, y, width, height);
} else if (shape == "antiround3") {
drawAntiRound3(out, x, y, width, height);
} else if (shape == "antiround4") {
drawAntiRound4(out, x, y, width, height);
} else if (shape == "curvedinner") {
drawCurvedInner(out, x, y, width, height);
} else if (shape == "curvedinner1") {
drawCurvedInner1(out, x, y, width, height);
} else if (shape == "curvedinner2") {
drawCurvedInner2(out, x, y, width, height);
} else if (shape == "curvedinner3") {
drawCurvedInner3(out, x, y, width, height);
} else if (shape == "curvedinner4") {
drawCurvedInner4(out, x, y, width, height);
} else if (shape == "curvedouter") {
drawCurvedOuter(out, x, y, width, height);
} else if (shape == "curvedouter1") {
drawCurvedOuter1(out, x, y, width, height);
} else if (shape == "curvedouter2") {
drawCurvedOuter2(out, x, y, width, height);
} else if (shape == "curvedouter3") {
drawCurvedOuter3(out, x, y, width, height);
} else if (shape == "curvedouter4") {
drawCurvedOuter4(out, x, y, width, height);
} else if (shape == "triangleup") {
drawTriangleUp(out, x, y, width, height);
} else if (shape == "triangledown") {
drawTriangleDown(out, x, y, width, height);
} else if (shape == "triangleleft") {
drawTriangleLeft(out, x, y, width, height);
} else if (shape == "triangleright") {
drawTriangleRight(out, x, y, width, height);
} else if (shape == "triangleroundleft") {
drawTriangleRoundLeft(out, x, y, width, height);
} else if (shape == "triangleroundright") {
drawTriangleRoundRight(out, x, y, width, height);
} else {
drawRectangle(out, x, y, width, height);
}
}
//////////////////////////////
//
// drawDiamond --
//
void drawDiamond(ostream& out, double x, double y, double width,
double height) {
out << "\t\t\t\t<path vector-effect=\"non-scaling-stroke\" d=\"";
out << "M " << x << " " << y+height/2.0;
out << " L " << x+width/2.0 << " " << y;
out << " L " << x+width << " " << y+height/2.0;
out << " L " << x+width/2.0 << " " << y+height;
out << " z";
out << "\"";
out << "/>\n";
//if (roundedQ) {
// out << "\trx=\"" << 1 << "\""
// << "\try=\"" << 1 << "\"";
//}
}
//////////////////////////////
//
// drawEyelid --
//
void drawEyelid(ostream& out, double x, double y, double width,
double height) {
out << "\t\t\t\t<path vector-effect=\"non-scaling-stroke\" d=\"";
out << "M " << x << " " << y+height/2.0;
out << " Q " << x+width/2.0 << " " << y+height;
out << " " << x+width << " " << y+height/2.0;
out << " Q " << x+width/2.0 << " " << y;
out << " " << x << " " << y+height/2.0;
out << " z\"";
out << "/>\n";
}