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new mixer part 2

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separate each "channel" into a group function, prepare vol meters
This commit is contained in:
Eknous-P 2025-10-07 15:46:21 +04:00
parent bc2505ea13
commit 22f0b3f4e6
3 changed files with 78 additions and 17 deletions
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45
src/gui/volMeter.cpp
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@ -102,3 +102,48 @@ void FurnaceGUI::drawVolMeter() {
if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows)) curWindow=GUI_WINDOW_VOL_METER;
ImGui::End();
}
void FurnaceGUI::drawVolMeterInternal(ImDrawList* dl, ImRect rect, float* data, int chans) {
bool aspectRatio=(ImGui::GetWindowSize().x/ImGui::GetWindowSize().y)>1.0;
ImU32 lowColor=ImGui::GetColorU32(uiColors[GUI_COLOR_VOLMETER_LOW]);
ImGuiStyle& style=ImGui::GetStyle();
ImGui::RenderFrame(rect.Min,rect.Max,ImGui::GetColorU32(ImGuiCol_FrameBg),true,style.FrameRounding);
int isClipping=0;
for (int i=0; i<chans; i++) {
float logPeak=(20*log10(data[i])/36.0);
if (logPeak==NAN) logPeak=0.0;
if (logPeak<-1.0) logPeak=-1.0;
if (logPeak>0.0) {
isClipping=8;
logPeak=0.0;
}
logPeak+=1.0;
ImU32 highColor=ImGui::GetColorU32(
ImLerp(uiColors[GUI_COLOR_VOLMETER_LOW],uiColors[GUI_COLOR_VOLMETER_HIGH],logPeak)
);
ImRect s;
if (aspectRatio) {
s=ImRect(
ImLerp(rect.Min,rect.Max,ImVec2(0,float(i)/chans)),
ImLerp(rect.Min,rect.Max,ImVec2(logPeak,float(i+1)/chans))
);
if (i!=(chans-1)) s.Max.y-=dpiScale;
if (isClipping) {
dl->AddRectFilled(s.Min,s.Max,ImGui::GetColorU32(uiColors[GUI_COLOR_VOLMETER_PEAK]));
} else {
dl->AddRectFilledMultiColor(s.Min,s.Max,lowColor,highColor,highColor,lowColor);
}
} else {
s=ImRect(
ImLerp(rect.Min,rect.Max,ImVec2(float(i)/chans,1.0-logPeak)),
ImLerp(rect.Min,rect.Max,ImVec2(float(i+1)/chans,1.0))
);
if (i!=(chans-1)) s.Max.x-=dpiScale;
if (isClipping) {
dl->AddRectFilled(s.Min,s.Max,ImGui::GetColorU32(uiColors[GUI_COLOR_VOLMETER_PEAK]));
} else {
dl->AddRectFilledMultiColor(s.Min,s.Max,highColor,highColor,lowColor,lowColor);
}
}
}
}