mirror/SDRPlusPlus
0
0
Fork 0
mirror of https://github.com/AlexandreRouma/SDRPlusPlus.git synced 2025-06-28 21:37:50 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

push before merge

Browse Source
This commit is contained in:
Ryzerth
2020-12-28 14:39:30 +01:00
parent dd4ec22b39
commit f217804838
4 changed files with 158 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
core/src/gui/widgets/volume_meter.cpp Normal file
View File

@ -0,0 +1,53 @@
#include <gui/widgets/volume_meter.h>
#include <algorithm>
#ifndef IMGUI_DEFINE_MATH_OPERATORS
#define IMGUI_DEFINE_MATH_OPERATORS
#endif
#include <imgui/imgui_internal.h>
namespace ImGui {
void VolumeMeter(float avg, float peak, float val_min, float val_max, const ImVec2& size_arg) {
ImGuiWindow* window = GetCurrentWindow();
ImGuiStyle& style = GImGui->Style;
avg = std::clamp<float>(avg, val_min, val_max);
peak = std::clamp<float>(peak, val_min, val_max);
float pad = style.FramePadding.y;
ImVec2 min = window->DC.CursorPos;
ImVec2 size = CalcItemSize(size_arg, CalcItemWidth(), (GImGui->FontSize / 2) + style.FramePadding.y);
ImRect bb(min, min + size);
float lineHeight = size.y;
ItemSize(size, style.FramePadding.y);
if (!ItemAdd(bb, 0)) {
return;
}
float zeroDb = roundf(((-val_min) / (val_max - val_min)) * size.x);
window->DrawList->AddRectFilled(min, min + ImVec2(zeroDb, lineHeight), IM_COL32( 0, 255, 0, 127 ));
window->DrawList->AddRectFilled(min + ImVec2(zeroDb, 0), min + ImVec2(size.x, lineHeight), IM_COL32( 255, 0, 0, 127 ));
float end = roundf(((avg - val_min) / (val_max - val_min)) * size.x);
float endP = roundf(((peak - val_min) / (val_max - val_min)) * size.x);
if (avg <= 0) {
window->DrawList->AddRectFilled(min, min + ImVec2(end, lineHeight), IM_COL32( 0, 255, 0, 255 ));
}
else {
window->DrawList->AddRectFilled(min, min + ImVec2(zeroDb, lineHeight), IM_COL32( 0, 255, 0, 255 ));
window->DrawList->AddRectFilled(min + ImVec2(zeroDb, 0), min + ImVec2(end, lineHeight), IM_COL32( 255, 0, 0, 255 ));
}
if (peak <= 0) {
window->DrawList->AddLine(min + ImVec2(endP, -1), min + ImVec2(endP, lineHeight - 1), IM_COL32( 127, 255, 127, 255 ));
}
else {
window->DrawList->AddLine(min + ImVec2(endP, -1), min + ImVec2(endP, lineHeight - 1), IM_COL32( 255, 127, 127, 255 ));
}
}
}

6
core/src/gui/widgets/volume_meter.h Normal file
View File

@ -0,0 +1,6 @@
#pragma once
#include <imgui/imgui.h>
namespace ImGui {
void VolumeMeter(float avg, float peak, float val_min, float val_max, const ImVec2& size_arg = ImVec2(0, 0));
}