247 lines
7.8 KiB
C++
247 lines
7.8 KiB
C++
/**
|
|
* Furnace Tracker - multi-system chiptune tracker
|
|
* Copyright (C) 2021-2022 tildearrow and contributors
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "gui.h"
|
|
#include "imgui_internal.h"
|
|
#include <imgui.h>
|
|
|
|
void FurnaceGUI::readOsc() {
|
|
int writePos=e->oscWritePos;
|
|
int readPos=e->oscReadPos;
|
|
int avail=0;
|
|
int total=0;
|
|
if (firstFrame) {
|
|
readPos=writePos;
|
|
}
|
|
if (writePos>=readPos) {
|
|
avail=writePos-readPos;
|
|
} else {
|
|
avail=writePos-readPos+32768;
|
|
}
|
|
if (oscTotal==0) {
|
|
oscTotal=ImGui::GetIO().DeltaTime*e->getAudioDescGot().rate;
|
|
} else {
|
|
oscTotal=(oscTotal+(int)round(ImGui::GetIO().DeltaTime*e->getAudioDescGot().rate))>>1;
|
|
}
|
|
int bias=avail-oscTotal-e->getAudioDescGot().bufsize;
|
|
if (bias<0) bias=0;
|
|
total=oscTotal+(bias>>6);
|
|
if (total>avail) total=avail;
|
|
//printf("total: %d. avail: %d bias: %d\n",total,avail,bias);
|
|
|
|
int winSize=e->getAudioDescGot().rate*(oscWindowSize/1000.0);
|
|
int oscReadPos=(writePos-winSize)&0x7fff;
|
|
for (int i=0; i<512; i++) {
|
|
int pos=(oscReadPos+(i*winSize/512))&0x7fff;
|
|
oscValues[i]=(e->oscBuf[0][pos]+e->oscBuf[1][pos])*0.5f;
|
|
if (oscValues[i]>0.001f || oscValues[i]<-0.001f) {
|
|
WAKE_UP;
|
|
}
|
|
}
|
|
|
|
float peakDecay=0.05f*60.0f*ImGui::GetIO().DeltaTime;
|
|
for (int i=0; i<2; i++) {
|
|
peak[i]*=1.0-peakDecay;
|
|
if (peak[i]<0.0001) {
|
|
peak[i]=0.0;
|
|
} else {
|
|
WAKE_UP;
|
|
}
|
|
float newPeak=peak[i];
|
|
for (int j=0; j<total; j++) {
|
|
int pos=(readPos+j)&0x7fff;
|
|
if (fabs(e->oscBuf[i][pos])>newPeak) {
|
|
newPeak=fabs(e->oscBuf[i][pos]);
|
|
}
|
|
}
|
|
peak[i]+=(newPeak-peak[i])*0.9;
|
|
}
|
|
|
|
readPos=(readPos+total)&0x7fff;
|
|
e->oscReadPos=readPos;
|
|
}
|
|
|
|
void FurnaceGUI::drawOsc() {
|
|
if (nextWindow==GUI_WINDOW_OSCILLOSCOPE) {
|
|
oscOpen=true;
|
|
ImGui::SetNextWindowFocus();
|
|
nextWindow=GUI_WINDOW_NOTHING;
|
|
}
|
|
if (!oscOpen) return;
|
|
ImGui::SetNextWindowSizeConstraints(ImVec2(64.0f*dpiScale,32.0f*dpiScale),ImVec2(scrW*dpiScale,scrH*dpiScale));
|
|
if (settings.oscTakesEntireWindow) {
|
|
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding,ImVec2(0,0));
|
|
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing,ImVec2(0,0));
|
|
ImGui::PushStyleVar(ImGuiStyleVar_ItemInnerSpacing,ImVec2(0,0));
|
|
}
|
|
if (ImGui::Begin("Oscilloscope",&oscOpen,globalWinFlags)) {
|
|
if (oscZoomSlider) {
|
|
if (ImGui::VSliderFloat("##OscZoom",ImVec2(20.0f*dpiScale,ImGui::GetContentRegionAvail().y),&oscZoom,0.5,2.0)) {
|
|
if (oscZoom<0.5) oscZoom=0.5;
|
|
if (oscZoom>2.0) oscZoom=2.0;
|
|
}
|
|
if (ImGui::IsItemHovered()) {
|
|
ImGui::SetTooltip("zoom: %.2fx (%.1fdB)",oscZoom,20.0*log10(oscZoom*2.0));
|
|
}
|
|
if (ImGui::IsItemClicked(ImGuiMouseButton_Middle)) {
|
|
oscZoom=0.5;
|
|
}
|
|
ImGui::SameLine();
|
|
if (ImGui::VSliderFloat("##OscWinSize",ImVec2(20.0f*dpiScale,ImGui::GetContentRegionAvail().y),&oscWindowSize,5.0,100.0)) {
|
|
if (oscWindowSize<5.0) oscWindowSize=5.0;
|
|
if (oscWindowSize>100.0) oscWindowSize=100.0;
|
|
}
|
|
if (ImGui::IsItemHovered()) {
|
|
ImGui::SetTooltip("window size: %.1fms",oscWindowSize);
|
|
}
|
|
if (ImGui::IsItemClicked(ImGuiMouseButton_Middle)) {
|
|
oscWindowSize=20.0;
|
|
}
|
|
ImGui::SameLine();
|
|
}
|
|
|
|
ImDrawList* dl=ImGui::GetWindowDrawList();
|
|
ImGuiWindow* window=ImGui::GetCurrentWindow();
|
|
|
|
ImVec2 waveform[512];
|
|
ImVec2 size=ImGui::GetContentRegionAvail();
|
|
|
|
ImVec2 minArea=window->DC.CursorPos;
|
|
ImVec2 maxArea=ImVec2(
|
|
minArea.x+size.x,
|
|
minArea.y+size.y
|
|
);
|
|
ImRect rect=ImRect(minArea,maxArea);
|
|
ImRect inRect=rect;
|
|
inRect.Min.x+=dpiScale;
|
|
inRect.Min.y+=dpiScale;
|
|
inRect.Max.x-=dpiScale;
|
|
inRect.Max.y-=dpiScale;
|
|
ImGuiStyle& style=ImGui::GetStyle();
|
|
ImU32 color=ImGui::GetColorU32(isClipping?uiColors[GUI_COLOR_OSC_WAVE_PEAK]:uiColors[GUI_COLOR_OSC_WAVE]);
|
|
ImU32 borderColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BORDER]);
|
|
ImU32 refColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_REF]);
|
|
ImU32 guideColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_GUIDE]);
|
|
ImGui::ItemSize(size,style.FramePadding.y);
|
|
if (ImGui::ItemAdd(rect,ImGui::GetID("wsDisplay"))) {
|
|
dl->AddRectFilledMultiColor(
|
|
inRect.Min,
|
|
inRect.Max,
|
|
ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG1]),
|
|
ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG2]),
|
|
ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG4]),
|
|
ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG3]),
|
|
settings.oscRoundedCorners?(8.0f*dpiScale):0.0f
|
|
);
|
|
|
|
dl->AddLine(
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.0f,0.5f)),
|
|
ImLerp(rect.Min,rect.Max,ImVec2(1.0f,0.5f)),
|
|
refColor,
|
|
dpiScale
|
|
);
|
|
|
|
dl->AddLine(
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.48f,0.125f)),
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.52f,0.125f)),
|
|
guideColor,
|
|
dpiScale
|
|
);
|
|
|
|
dl->AddLine(
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.47f,0.25f)),
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.53f,0.25f)),
|
|
guideColor,
|
|
dpiScale
|
|
);
|
|
|
|
dl->AddLine(
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.45f,0.375f)),
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.55f,0.375f)),
|
|
guideColor,
|
|
dpiScale
|
|
);
|
|
|
|
dl->AddLine(
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.45f,0.625f)),
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.55f,0.625f)),
|
|
guideColor,
|
|
dpiScale
|
|
);
|
|
|
|
dl->AddLine(
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.47f,0.75f)),
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.53f,0.75f)),
|
|
guideColor,
|
|
dpiScale
|
|
);
|
|
|
|
dl->AddLine(
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.48f,0.875f)),
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.52f,0.875f)),
|
|
guideColor,
|
|
dpiScale
|
|
);
|
|
|
|
dl->AddLine(
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.5f,0.08f)),
|
|
ImLerp(rect.Min,rect.Max,ImVec2(0.5f,0.92f)),
|
|
guideColor,
|
|
dpiScale
|
|
);
|
|
|
|
for (size_t i=0; i<512; i++) {
|
|
float x=(float)i/512.0f;
|
|
float y=oscValues[i]*oscZoom;
|
|
if (!settings.oscEscapesBoundary) {
|
|
if (y<-0.5f) y=-0.5f;
|
|
if (y>0.5f) y=0.5f;
|
|
}
|
|
waveform[i]=ImLerp(inRect.Min,inRect.Max,ImVec2(x,0.5f-y));
|
|
}
|
|
if (settings.oscEscapesBoundary) {
|
|
ImDrawList* dlf=ImGui::GetForegroundDrawList();
|
|
dlf->AddPolyline(waveform,512,color,ImDrawFlags_None,dpiScale);
|
|
} else {
|
|
dl->AddPolyline(waveform,512,color,ImDrawFlags_None,dpiScale);
|
|
}
|
|
if (settings.oscBorder) {
|
|
dl->AddRect(inRect.Min,inRect.Max,borderColor,settings.oscRoundedCorners?(8.0f*dpiScale):0.0f,0,1.5f*dpiScale);
|
|
}
|
|
}
|
|
if (oscZoomSlider && ImGui::IsItemHovered()) {
|
|
float val=20.0*log10(2.0*fabs(0.5-((ImGui::GetMousePos().y-inRect.Min.y)/(inRect.Max.y-inRect.Min.y))));
|
|
if (val>0.0f) val=0.0f;
|
|
if (val<=-INFINITY) {
|
|
ImGui::SetTooltip("(-Infinity)dB");
|
|
} else {
|
|
ImGui::SetTooltip("%.1fdB",val);
|
|
}
|
|
}
|
|
if (ImGui::IsItemClicked(ImGuiMouseButton_Right)) {
|
|
oscZoomSlider=!oscZoomSlider;
|
|
}
|
|
}
|
|
if (settings.oscTakesEntireWindow) {
|
|
ImGui::PopStyleVar(3);
|
|
}
|
|
if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows)) curWindow=GUI_WINDOW_OSCILLOSCOPE;
|
|
ImGui::End();
|
|
}
|