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prepare for sample undo/redo

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This commit is contained in:
tildearrow 2022-03-22 18:36:29 -05:00
parent 519dd7f2dd
commit 2c05d56ab2
2 changed files with 97 additions and 0 deletions
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45
src/engine/sample.cpp
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@ -32,6 +32,10 @@ extern "C" {
#include "../../extern/adpcm/ymz_codec.h"
}
DivSampleHistory::~DivSampleHistory() {
if (data!=NULL) delete[] data;
}
bool DivSample::save(const char* path) {
SNDFILE* f;
SF_INFO si;
@ -786,7 +790,48 @@ unsigned int DivSample::getCurBufLen() {
return 0;
}
DivSampleHistory* DivSample::prepareUndo(bool data) {
DivSampleHistory* h;
if (data) {
unsigned char* duplicate;
if (getCurBuf()==NULL) {
duplicate=NULL;
} else {
duplicate=new unsigned char[getCurBufLen()];
memcpy(duplicate,getCurBuf(),getCurBufLen());
}
h=new DivSampleHistory(duplicate,getCurBufLen(),samples,depth,rate,centerRate,loopStart);
} else {
h=new DivSampleHistory(depth,rate,centerRate,loopStart);
}
while (!redoHist.empty()) {
DivSampleHistory* h=redoHist.front();
delete h;
redoHist.pop_front();
}
undoHist.push_back(h);
return h;
}
int DivSample::undo() {
return 0;
}
int DivSample::redo() {
return 0;
}
DivSample::~DivSample() {
while (!undoHist.empty()) {
DivSampleHistory* h=undoHist.front();
delete h;
undoHist.pop_front();
}
while (!redoHist.empty()) {
DivSampleHistory* h=redoHist.front();
delete h;
redoHist.pop_front();
}
if (data8) delete[] data8;
if (data16) delete[] data16;
if (data1) delete[] data1;