From bde9d9a890406639efe3395e33a1231d11f196a9 Mon Sep 17 00:00:00 2001
From: Eknous-P <ehovakimyan053@gmail.com>
Date: Sat, 1 Nov 2025 16:07:01 +0400
Subject: [PATCH] add the remaining deletes, spectrum lines mult by dpiScale

---
 src/gui/gui.cpp      |  8 ++++++++
 src/gui/gui.h        |  3 ++-
 src/gui/spectrum.cpp | 13 ++++++++++---
 src/gui/tuner.cpp    |  3 ++-
 4 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index e4f8f6a24..3cef5c3ba 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -8611,9 +8611,17 @@ bool FurnaceGUI::finish(bool saveConfig) {
     delete[] spectrum.in;
     spectrum.in=NULL;
   }
+  if (spectrum.plan) {
+    fftw_free(spectrum.plan);
+    spectrum.plan=NULL;
+  }
   if (spectrum.buffer) {
     fftw_free(spectrum.buffer);
   }
+  if (spectrum.plot) {
+    delete[] spectrum.plot;
+    spectrum.plot=NULL;
+  }
 
   return true;
 }
diff --git a/src/gui/gui.h b/src/gui/gui.h
index b2d85e7f1..d83a8da60 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -2757,12 +2757,13 @@ class FurnaceGUI {
     bool update, running, mono;
     bool showXGrid, showYGrid, showXScale, showYScale;
     SpectrumSettings():
-      bins(2048),
+      bins(4096),
       xZoom(1.0f),
       xOffset(0.0f),
       yOffset(0.0f),
       buffer(NULL),
       in(NULL),
+      plot(NULL),
       frequencies({}),
       update(true),
       running(false),
diff --git a/src/gui/spectrum.cpp b/src/gui/spectrum.cpp
index 7ec039f3a..f8db7cab1 100644
--- a/src/gui/spectrum.cpp
+++ b/src/gui/spectrum.cpp
@@ -75,7 +75,8 @@ void FurnaceGUI::drawSpectrum() {
         dl->AddLine(
           origin+ImVec2(0,size.y*((float)z/lines-offset)),
           origin+ImVec2(size.x,size.y*((float)z/lines-offset)),
-          0x55ffffff);
+          0x55ffffff,
+        dpiScale);
       }
     }
     // x grid
@@ -104,7 +105,8 @@ void FurnaceGUI::drawSpectrum() {
         if (spectrum.showXGrid) dl->AddLine(
           origin+ImVec2(pos,0),
           origin+ImVec2(pos,size.y),
-          color);
+          color,
+        dpiScale);
         prevPos=pos;
       }
     }
@@ -124,6 +126,10 @@ void FurnaceGUI::drawSpectrum() {
         delete[] spectrum.plot;
         spectrum.plot=NULL;
       }
+      if (spectrum.plan) {
+        fftw_free(spectrum.plan);
+        spectrum.plan=NULL;
+      }
       spectrum.buffer=(fftw_complex*)fftw_malloc(sizeof(fftw_complex)*spectrum.bins);
       if (!spectrum.buffer) spectrum.running=false;
       spectrum.in=new double[spectrum.bins];
@@ -131,6 +137,7 @@ void FurnaceGUI::drawSpectrum() {
       spectrum.plot=new ImVec2[spectrum.bins/2];
       if (!spectrum.plot) spectrum.running=false;
       spectrum.plan=fftw_plan_dft_r2c_1d(spectrum.bins,spectrum.in,spectrum.buffer,FFTW_ESTIMATE);
+      if (!spectrum.plan) spectrum.running=false;
       spectrum.frequencies.clear();
       float freq;
       float maxRate=e->getAudioDescGot().rate/2;
@@ -175,7 +182,7 @@ void FurnaceGUI::drawSpectrum() {
           spectrum.plot[i].y=origin.y+size.y*(y-spectrum.yOffset);
         }
         ImGui::PushClipRect(origin,origin+size,true);
-        dl->AddPolyline(spectrum.plot,count,ImGui::GetColorU32(uiColors[spectrum.mono?GUI_COLOR_OSC_WAVE:GUI_COLOR_OSC_WAVE_CH0+z]),0,1.0f);
+        dl->AddPolyline(spectrum.plot,count,ImGui::GetColorU32(uiColors[spectrum.mono?GUI_COLOR_OSC_WAVE:GUI_COLOR_OSC_WAVE_CH0+z]),0,dpiScale);
         dl->PathFillConcave(ImGui::GetColorU32(uiColors[spectrum.mono?GUI_COLOR_OSC_WAVE:GUI_COLOR_OSC_WAVE_CH0+z]));
         ImGui::PopClipRect();
       }
diff --git a/src/gui/tuner.cpp b/src/gui/tuner.cpp
index 126da2a58..78e61da5e 100644
--- a/src/gui/tuner.cpp
+++ b/src/gui/tuner.cpp
@@ -126,11 +126,12 @@ void FurnaceGUI::drawTuner() {
       ImU32 lowColor=ImGui::GetColorU32(uiColors[GUI_COLOR_TUNER_SCALE_LOW]);
       ImU32 highColor=ImGui::GetColorU32(uiColors[GUI_COLOR_TUNER_SCALE_HIGH]);
 
+      // needle bg
       ImGui::Dummy(ImVec2(size.x,boxHeight));
       dl->AddRectFilledMultiColor(origin,origin+ImVec2(size.x/2.0f,boxHeight),highColor,lowColor,lowColor,highColor);
       dl->AddRectFilledMultiColor(origin+ImVec2(size.x/2.0f,0),origin+ImVec2(size.x,boxHeight),lowColor,highColor,highColor,lowColor);
       dl->AddLine(origin+ImVec2(size.x/2.0f,0),origin+ImVec2(size.x/2.0f,boxHeight),ImGui::GetColorU32(uiColors[GUI_COLOR_TUNER_NEEDLE]),2.0f*dpiScale);
-
+      // needle
       float needleX=size.x*(0.5f+cents);
       dl->AddLine(origin+ImVec2(needleX,boxHeight-needleHeight),origin+ImVec2(needleX,needleHeight),ImGui::GetColorU32(uiColors[GUI_COLOR_TUNER_NEEDLE]),4.0f*dpiScale);
       // text