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GUI: implement sample sel operations

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plenty of them
This commit is contained in:
tildearrow 2022-03-21 02:43:52 -05:00
parent a68dbed760
commit 2df7658fd0
3 changed files with 313 additions and 16 deletions
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79
src/engine/sample.cpp
View file

@ -179,6 +179,85 @@ bool DivSample::resize(unsigned int count) {
return false;
}
bool DivSample::strip(unsigned int begin, unsigned int end) {
if (begin>samples) begin=samples;
if (end>samples) end=samples;
int count=samples-(end-begin);
if (count<=0) return resize(0);
if (depth==8) {
if (data8!=NULL) {
signed char* oldData8=data8;
data8=NULL;
initInternal(8,count);
if (begin>0) {
memcpy(data8,oldData8,begin);
}
if (samples-end>0) {
memcpy(data8+begin,oldData8+end,samples-end);
}
delete[] oldData8;
} else {
// do nothing
return true;
}
samples=count;
return true;
} else if (depth==16) {
if (data16!=NULL) {
short* oldData16=data16;
data16=NULL;
initInternal(16,count);
if (begin>0) {
memcpy(data16,oldData16,sizeof(short)*begin);
}
if (samples-end>0) {
memcpy(&(data16[begin]),&(oldData16[end]),sizeof(short)*(samples-end));
}
delete[] oldData16;
} else {
// do nothing
return true;
}
samples=count;
return true;
}
return false;
}
bool DivSample::trim(unsigned int begin, unsigned int end) {
int count=end-begin;
if (count==0) return true;
if (begin==0 && end==samples) return true;
if (depth==8) {
if (data8!=NULL) {
signed char* oldData8=data8;
data8=NULL;
initInternal(8,count);
memcpy(data8,oldData8+begin,count);
delete[] oldData8;
} else {
// do nothing
return true;
}
samples=count;
return true;
} else if (depth==16) {
if (data16!=NULL) {
short* oldData16=data16;
data16=NULL;
initInternal(16,count);
memcpy(data16,&(oldData16[begin]),sizeof(short)*count);
delete[] oldData16;
} else {
// do nothing
return true;
}
samples=count;
return true;
}
return false;
}
#define RESAMPLE_BEGIN \
if (samples<1) return true; \
int finalCount=(double)samples*(r/(double)rate); \

18
src/engine/sample.h
View file

@ -102,6 +102,24 @@ struct DivSample {
*/
bool resize(unsigned int count);
/**
* remove part of the sample data.
* @warning do not attempt to strip a sample outside of a synchronized block!
* @param start the beginning.
* @param end the end.
* @return whether it was successful.
*/
bool strip(unsigned int begin, unsigned int end);
/**
* clip the sample data to specified boundaries.
* @warning do not attempt to trim a sample outside of a synchronized block!
* @param start the beginning.
* @param end the end.
* @return whether it was successful.
*/
bool trim(unsigned int begin, unsigned int end);
/**
* change the sample rate.
* @warning do not attempt to resample outside of a synchronized block!

212
src/gui/sampleEdit.cpp
View file

@ -26,6 +26,19 @@
#include <fmt/printf.h>
#include "guiConst.h"
#define SAMPLE_OP_BEGIN \
unsigned int start=0; \
unsigned int end=sample->samples; \
if (sampleSelStart!=-1 && sampleSelEnd!=-1 && sampleSelStart!=sampleSelEnd) { \
start=sampleSelStart; \
end=sampleSelEnd; \
if (start>end) { \
start^=end; \
end^=start; \
start^=end; \
} \
} \
void FurnaceGUI::drawSampleEdit() {
if (nextWindow==GUI_WINDOW_SAMPLE_EDIT) {
sampleEditOpen=true;
@ -223,33 +236,214 @@ void FurnaceGUI::drawSampleEdit() {
}
ImGui::SameLine();
ImGui::Text("(%.1fdB)",20.0*log10(amplifyVol/100.0f));
ImGui::Button("Apply");
if (ImGui::Button("Apply")) {
e->synchronized([this,sample]() {
SAMPLE_OP_BEGIN;
float vol=amplifyVol/100.0f;
if (sample->depth==16) {
for (unsigned int i=start; i<end; i++) {
float val=sample->data16[i]*vol;
if (val<-32768) val=-32768;
if (val>32767) val=32767;
sample->data16[i]=val;
}
} else if (sample->depth==8) {
for (unsigned int i=start; i<end; i++) {
float val=sample->data8[i]*vol;
if (val<-128) val=-128;
if (val>127) val=127;
sample->data8[i]=val;
}
}
updateSampleTex=true;
e->renderSamples();
});
ImGui::CloseCurrentPopup();
}
ImGui::EndPopup();
}
ImGui::SameLine();
ImGui::Button(ICON_FA_ARROWS_V "##SNormalize");
if (ImGui::Button(ICON_FA_ARROWS_V "##SNormalize")) {
e->synchronized([this,sample]() {
SAMPLE_OP_BEGIN;
float maxVal=0.0f;
if (sample->depth==16) {
for (unsigned int i=start; i<end; i++) {
float val=fabs((float)sample->data16[i]/32767.0f);
if (val>maxVal) maxVal=val;
}
if (maxVal>1.0f) maxVal=1.0f;
if (maxVal>0.0f) {
float vol=1.0f/maxVal;
for (unsigned int i=start; i<end; i++) {
float val=sample->data16[i]*vol;
if (val<-32768) val=-32768;
if (val>32767) val=32767;
sample->data16[i]=val;
}
}
} else if (sample->depth==8) {
for (unsigned int i=start; i<end; i++) {
float val=fabs((float)sample->data8[i]/127.0f);
if (val>maxVal) maxVal=val;
}
if (maxVal>1.0f) maxVal=1.0f;
if (maxVal>0.0f) {
float vol=1.0f/maxVal;
for (unsigned int i=start; i<end; i++) {
float val=sample->data8[i]*vol;
if (val<-128) val=-128;
if (val>127) val=127;
sample->data8[i]=val;
}
}
}
updateSampleTex=true;
e->renderSamples();
});
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Normalize");
}
ImGui::SameLine();
ImGui::Button(ICON_FA_ERASER "##SSilence");
if (ImGui::Button(ICON_FA_ERASER "##SSilence")) {
e->synchronized([this,sample]() {
SAMPLE_OP_BEGIN;
if (sample->depth==16) {
for (unsigned int i=start; i<end; i++) {
sample->data16[i]=0;
}
} else if (sample->depth==8) {
for (unsigned int i=start; i<end; i++) {
sample->data8[i]=0;
}
}
updateSampleTex=true;
e->renderSamples();
});
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Apply silence");
}
ImGui::SameLine();
if (ImGui::Button(ICON_FA_TIMES "##SDelete")) {
e->synchronized([this,sample]() {
SAMPLE_OP_BEGIN;
sample->strip(start,end);
updateSampleTex=true;
e->renderSamples();
});
sampleSelStart=-1;
sampleSelEnd=-1;
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Delete");
}
ImGui::SameLine();
if (ImGui::Button(ICON_FA_CROP "##STrim")) {
e->synchronized([this,sample]() {
SAMPLE_OP_BEGIN;
sample->trim(start,end);
updateSampleTex=true;
e->renderSamples();
});
sampleSelStart=-1;
sampleSelEnd=-1;
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Trim");
}
ImGui::SameLine();
ImGui::Dummy(ImVec2(4.0*dpiScale,dpiScale));
ImGui::SameLine();
ImGui::Button(ICON_FA_BACKWARD "##SReverse");
if (ImGui::Button(ICON_FA_BACKWARD "##SReverse")) {
e->synchronized([this,sample]() {
SAMPLE_OP_BEGIN;
if (sample->depth==16) {
for (unsigned int i=start; i<end; i++) {
unsigned int ri=end-i-1+start;
if (ri<=i) break;
sample->data16[i]^=sample->data16[ri];
sample->data16[ri]^=sample->data16[i];
sample->data16[i]^=sample->data16[ri];
}
} else if (sample->depth==8) {
for (unsigned int i=start; i<end; i++) {
unsigned int ri=end-i-1+start;
if (ri<=i) break;
sample->data8[i]^=sample->data8[ri];
sample->data8[ri]^=sample->data8[i];
sample->data8[i]^=sample->data8[ri];
}
}
updateSampleTex=true;
e->renderSamples();
});
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Reverse");
}
ImGui::SameLine();
ImGui::Button(ICON_FA_SORT_AMOUNT_ASC "##SInvert");
if (ImGui::Button(ICON_FA_SORT_AMOUNT_ASC "##SInvert")) {
e->synchronized([this,sample]() {
SAMPLE_OP_BEGIN;
if (sample->depth==16) {
for (unsigned int i=start; i<end; i++) {
sample->data16[i]=-sample->data16[i];
if (sample->data16[i]==-32768) sample->data16[i]=32767;
}
} else if (sample->depth==8) {
for (unsigned int i=start; i<end; i++) {
sample->data8[i]=-sample->data8[i];
if (sample->data16[i]==-128) sample->data16[i]=127;
}
}
updateSampleTex=true;
e->renderSamples();
});
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Invert");
}
ImGui::SameLine();
ImGui::Button(ICON_FA_LEVEL_DOWN "##SSign");
if (ImGui::Button(ICON_FA_LEVEL_DOWN "##SSign")) {
e->synchronized([this,sample]() {
SAMPLE_OP_BEGIN;
if (sample->depth==16) {
for (unsigned int i=start; i<end; i++) {
sample->data16[i]^=0x8000;
}
} else if (sample->depth==8) {
for (unsigned int i=start; i<end; i++) {
sample->data8[i]^=0x80;
}
}
updateSampleTex=true;
e->renderSamples();
});
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("Signed/unsigned exchange");
}
@ -408,6 +602,11 @@ void FurnaceGUI::drawSampleEdit() {
ImVec2 rectSize=ImGui::GetItemRectSize();
if (ImGui::IsItemClicked()) {
if (ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left)) {
sampleDragActive=false;
sampleSelStart=0;
sampleSelEnd=sample->samples;
} else {
if (sample->samples>0 && (sample->depth==16 || sample->depth==8)) {
sampleDragStart=rectMin;
sampleDragAreaSize=rectSize;
@ -420,6 +619,7 @@ void FurnaceGUI::drawSampleEdit() {
processDrags(ImGui::GetMousePos().x,ImGui::GetMousePos().y);
}
}
}
String statusBar=sampleDragMode?"Draw":"Select";
bool drawSelection=false;