105 lines
4.3 KiB
C++
105 lines
4.3 KiB
C++
/**
|
|
* Furnace Tracker - multi-system chiptune tracker
|
|
* Copyright (C) 2021-2023 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"
|
|
|
|
void FurnaceGUI::drawVolMeter() {
|
|
if (nextWindow==GUI_WINDOW_VOL_METER) {
|
|
volMeterOpen=true;
|
|
ImGui::SetNextWindowFocus();
|
|
nextWindow=GUI_WINDOW_NOTHING;
|
|
}
|
|
if (!volMeterOpen) return;
|
|
if (--isClipping<0) isClipping=0;
|
|
ImGui::SetNextWindowSizeConstraints(ImVec2(6.0f*dpiScale,6.0f*dpiScale),ImVec2(canvasW,canvasH));
|
|
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding,ImVec2(0,0));
|
|
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding,ImVec2(0,0));
|
|
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing,ImVec2(0,0));
|
|
ImGui::PushStyleVar(ImGuiStyleVar_ItemInnerSpacing,ImVec2(0,0));
|
|
if (ImGui::Begin("Volume Meter",&volMeterOpen,globalWinFlags)) {
|
|
ImDrawList* dl=ImGui::GetWindowDrawList();
|
|
bool aspectRatio=(ImGui::GetWindowSize().x/ImGui::GetWindowSize().y)>1.0;
|
|
|
|
ImVec2 minArea=ImVec2(
|
|
ImGui::GetWindowPos().x+ImGui::GetCursorPos().x,
|
|
ImGui::GetWindowPos().y+ImGui::GetCursorPos().y
|
|
);
|
|
ImVec2 maxArea=ImVec2(
|
|
ImGui::GetWindowPos().x+ImGui::GetCursorPos().x+ImGui::GetContentRegionAvail().x,
|
|
ImGui::GetWindowPos().y+ImGui::GetCursorPos().y+ImGui::GetContentRegionAvail().y
|
|
);
|
|
ImRect rect=ImRect(minArea,maxArea);
|
|
ImGuiStyle& style=ImGui::GetStyle();
|
|
ImGui::ItemSize(ImVec2(4.0f,4.0f),style.FramePadding.y);
|
|
ImU32 lowColor=ImGui::GetColorU32(uiColors[GUI_COLOR_VOLMETER_LOW]);
|
|
if (ImGui::ItemAdd(rect,ImGui::GetID("volMeter"))) {
|
|
ImGui::RenderFrame(rect.Min,rect.Max,ImGui::GetColorU32(ImGuiCol_FrameBg),true,style.FrameRounding);
|
|
int outChans=e->getAudioDescGot().outChans;
|
|
for (int i=0; i<outChans; i++) {
|
|
float logPeak=(20*log10(peak[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)/outChans)),
|
|
ImLerp(rect.Min,rect.Max,ImVec2(logPeak,float(i+1)/outChans))
|
|
);
|
|
if (i!=(outChans-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)/outChans,1.0-logPeak)),
|
|
ImLerp(rect.Min,rect.Max,ImVec2(float(i+1)/outChans,1.0))
|
|
);
|
|
if (i!=(outChans-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);
|
|
}
|
|
}
|
|
}
|
|
if (ImGui::IsItemHovered()) {
|
|
if (aspectRatio) {
|
|
ImGui::SetTooltip("%.1fdB",36*((ImGui::GetMousePos().x-ImGui::GetItemRectMin().x)/(rect.Max.x-rect.Min.x)-1.0));
|
|
} else {
|
|
ImGui::SetTooltip("%.1fdB",-(36+36*((ImGui::GetMousePos().y-ImGui::GetItemRectMin().y)/(rect.Max.y-rect.Min.y)-1.0)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
ImGui::PopStyleVar(4);
|
|
if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows)) curWindow=GUI_WINDOW_VOL_METER;
|
|
ImGui::End();
|
|
}
|