diff options
Diffstat (limited to 'muse2/muse/midievent.cpp')
| -rw-r--r-- | muse2/muse/midievent.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/muse2/muse/midievent.cpp b/muse2/muse/midievent.cpp new file mode 100644 index 00000000..8f2b0756 --- /dev/null +++ b/muse2/muse/midievent.cpp @@ -0,0 +1,175 @@ +//========================================================= +// MusE +// Linux Music Editor +// $Id: midievent.cpp,v 1.7.2.2 2009/05/24 21:43:44 terminator356 Exp $ +// +// (C) Copyright 2000-2003 Werner Schweer (ws@seh.de) +//========================================================= + +#include "event.h" +#include "midievent.h" +#include "xml.h" +#include "mpevent.h" +#include "midictrl.h" + +//--------------------------------------------------------- +// MidiEventBase +//--------------------------------------------------------- + +MidiEventBase::MidiEventBase(EventType t) + : EventBase(t) + { + a = 0; + b = 0; + c = 0; + } + +//--------------------------------------------------------- +// MidiEventBase::mid +//--------------------------------------------------------- + +EventBase* MidiEventBase::mid(unsigned b, unsigned e) + { + if (tick() < b || tick() >= e) + return 0; + return new MidiEventBase(*this); + } + +//--------------------------------------------------------- +// isNoteOff +//--------------------------------------------------------- + +bool MidiEventBase::isNoteOff() const + { + return (type() == Note && (velo() == 0)); + } + +bool MidiEventBase::isNoteOff(const Event& e) const + { + return (e.isNoteOff() && (e.pitch() == a)); + } + +void MidiEventBase::dump(int n) const + { + EventBase::dump(n); + const char* p; + + switch(type()) { + case Note: p = "Note "; break; + case Controller: p = "Ctrl "; break; + case Sysex: p = "Sysex "; break; + case PAfter: p = "PAfter "; break; + case CAfter: p = "CAfter "; break; + case Meta: p = "Meta "; break; + default: p = "?? "; break; + } + for (int i = 0; i < (n+2); ++i) + putchar(' '); + printf("<%s> a:0x%x(%d) b:0x%x(%d) c:0x%x(%d)\n", + p, a, a, b, b, c, c); + } + +//--------------------------------------------------------- +// MidiEventBase::write +//--------------------------------------------------------- + +//void MidiEventBase::write(int level, Xml& xml, const Pos& offset) const +void MidiEventBase::write(int level, Xml& xml, const Pos& offset, bool /*forcePath*/) const + { + xml.nput(level++, "<event tick=\"%d\"", tick() + offset.tick()); + switch (type()) { + case Note: + xml.nput(" len=\"%d\"", lenTick()); + break; + default: + xml.nput(" type=\"%d\"", type()); + break; + } + + // Changed by T356. BUG: *.med does not save meta event types - ID: 2879426 + if (a) + xml.nput(" a=\"%d\"", a); + if (b) + xml.nput(" b=\"%d\"", b); + if (c) + xml.nput(" c=\"%d\"", c); + + if (edata.dataLen) { + xml.nput(" datalen=\"%d\">\n", edata.dataLen); + xml.nput(level, ""); + for (int i = 0; i < edata.dataLen; ++i) + xml.nput("%02x ", edata.data[i] & 0xff); + xml.nput("\n"); + xml.tag(level, "/event"); + } + else { + //if (a) + // xml.nput(" a=\"%d\"", a); + //if (b) + // xml.nput(" b=\"%d\"", b); + //if (c) + // xml.nput(" c=\"%d\"", c); + xml.nput(" />\n"); + } + } + +//--------------------------------------------------------- +// MidiEventBase::read +//--------------------------------------------------------- + +void MidiEventBase::read(Xml& xml) + { + setType(Note); + a = 0; + b = 0; + c = 0; + + int dataLen = 0; + for (;;) { + Xml::Token token = xml.parse(); + const QString& tag = xml.s1(); + switch (token) { + case Xml::Error: + case Xml::End: + return; + case Xml::TagStart: + xml.unknown("Event"); + break; + case Xml::Text: + { + const char*s = tag.latin1(); + edata.data = new unsigned char[dataLen]; + edata.dataLen = dataLen; + unsigned char* d = edata.data; + for (int i = 0; i < dataLen; ++i) { + char* endp; + *d++ = strtol(s, &endp, 16); + s = endp; + } + } + break; + case Xml::Attribut: + if (tag == "tick") + setTick(xml.s2().toInt()); + else if (tag == "type") + setType(EventType(xml.s2().toInt())); + else if (tag == "len") + setLenTick(xml.s2().toInt()); + else if (tag == "a") + a = xml.s2().toInt(); + else if (tag == "b") + b = xml.s2().toInt(); + else if (tag == "c") + c = xml.s2().toInt(); + else if (tag == "datalen") + dataLen = xml.s2().toInt(); + break; + case Xml::TagEnd: + if (tag == "event") + return; + default: + break; + } + } + } + |