Files
Just-DataInspector/Utilities/Src/DataModel.cpp
T
DeepSeek V4.1 Flash aca84df0ac 深度修复实验性功能预览曲线导致的交互卡顿(平移/拖滑块/缩放/改样式不跟手)
根因:派生预览曲线按可见采样窗口计算,代价正比于窗口采样数(弱波增强整段 2576 万采样单条约 368ms);旧策略对超过 4M 采样的窗口不缓存,导致大跨度下每帧(含悬停重绘)重算整段曲线;拖滑块每帧改参数即每帧重算。实测弱波增强整段拖滑块单帧约 2303ms,2.5s 跨度约 89ms。

修复:1) 大窗口也进缓存并按总字节预算淘汰(静止重绘 2247ms-0.25ms);2) 交互期间对超出预算的大窗口延迟重算、复用旧曲线(拖滑块 2303ms-18ms),小窗口仍实时重算;3) 计算缓冲改 thread_local 复用容量。仅改何时计算与是否缓存,几何与取值算法不变,逐像素比对 0 差异。

缩放等级差异:整段放大时窗口为整条信号(千万级)每帧重算故最卡;极小跨度窗口仅几千采样故不卡;中间跨度几十毫秒亦卡。
2026-10-11 11:32:58 +08:00

2199 lines
64 KiB
C++

#include "DataModel.hpp"
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cwctype>
#include <deque>
#include <limits>
#include "Theme.hpp"
#include "Utf8Util.hpp"
namespace jdi
{
namespace
{
const double kMissing = std::numeric_limits<double>::quiet_NaN(); /**< 缺失值占位。 */
const double kDefaultLineWidth = 1.6; /**< 默认线宽。 */
/**
* @brief 判断列名是否为时间轴候选列。
* @param [IN] header 原始列名。
* @return 可能为时间轴返回 true。
*/
bool LooksLikeTimeHeader(const std::wstring& header)
{
const std::wstring text = ToLowerAscii(Trim(header));
if (text.empty())
{
return false;
}
if (text == L"t" || text == L"time" || text == L"timestamp" || text == L"simulation time" ||
text == L"时间" || text == L"时间轴")
{
return true;
}
return ContainsInsensitive(text, L"time") || ContainsInsensitive(text, L"时间");
}
/**
* @brief 从名称末尾的括号中提取单位(仅接受形如 mA / V / deg/s 的短标记)。
* @param [IN] text 列名(已去除首尾空白)。
* @return 单位文本,无法识别时返回空字符串。
*/
std::wstring ExtractUnit(const std::wstring& text)
{
if (text.size() < 3 || text.back() != L')')
{
return std::wstring();
}
const std::size_t open = text.rfind(L'(');
if (open == std::wstring::npos || open + 2 >= text.size())
{
return std::wstring();
}
const std::wstring inner = Trim(text.substr(open + 1, text.size() - open - 2));
if (inner.empty() || inner.size() > 10)
{
return std::wstring();
}
for (const wchar_t c : inner)
{
const bool allowed = iswalpha(c) || iswdigit(c) || c == L'%' || c == L'/' || c == L'^' ||
c == L'-' || c == L'.' || c == L'\u00B0' || c == L'\u00B5' ||
c == L'\u03A9' || c == L'\u00B2' || c == L'\u00B3' || c == L'\u00B7';
if (!allowed)
{
return std::wstring();
}
}
return inner;
}
/**
* @brief 为网格范围补充留白,避免波形紧贴边界。
* @param [IN, OUT] yMin 范围下限。
* @param [IN, OUT] yMax 范围上限。
*/
void PadRange(double& yMin, double& yMax)
{
if (!std::isfinite(yMin) || !std::isfinite(yMax))
{
yMin = 0.0;
yMax = 1.0;
return;
}
const double span = yMax - yMin;
if (span <= 0.0)
{
const double magnitude = std::max(1.0, std::fabs(yMin) * 0.1);
yMin -= magnitude;
yMax += magnitude;
return;
}
const double pad = span * 0.06;
yMin -= pad;
yMax += pad;
}
/**
* @brief 依据全部可见信号重新生成网格划分。
* @param [IN] visible 各信号的可见性(按 [文件][信号] 索引)。
* @param [IN] lanes 网格集合(原地更新)。
* @param [IN] mode 网格划分策略。
*/
void RebuildLanes(const std::vector<std::vector<bool>>& visible, std::vector<Lane>& lanes,
LaneMode mode)
{
// 随网格携带的“网格自身状态”(按信号继承):重建网格时不能丢。
struct LaneCarry
{
bool fitYToSelection = false;
bool edgeCount = false;
double edgeValue = 0.0;
bool edgeValueValid = false;
bool edgePanelOpen = true;
double edgePanelX = -1.0;
double edgePanelY = -1.0;
bool edgeCenter = false;
std::vector<Lane::EdgeCenterItem> edgeCenterItems;
bool edgeCenterPanelOpen = true;
double edgeCenterPanelX = -1.0;
double edgeCenterPanelY = -1.0;
bool meanFilter = false;
std::vector<Lane::MeanFilterItem> meanFilterItems;
bool meanFilterPanelOpen = true;
double meanFilterPanelX = -1.0;
double meanFilterPanelY = -1.0;
bool weakBoost = false;
std::vector<Lane::WeakBoostItem> weakBoostItems;
double weakBoostLevel = 0.5;
int weakBoostIterations = 1;
bool weakBoostPanelOpen = true;
double weakBoostPanelX = -1.0;
double weakBoostPanelY = -1.0;
};
// 先记下每个信号原来所在网格的网格自身状态:
// 勾选可见性会重建网格,若不携带,用户刚打开的开关会被悄悄清掉。
std::vector<std::pair<SignalRef, LaneCarry>> previousCarry;
for (const Lane& lane : lanes)
{
LaneCarry carry;
carry.fitYToSelection = lane.fitYToSelection;
carry.edgeCount = lane.edgeCount;
carry.edgeValue = lane.edgeValue;
carry.edgeValueValid = lane.edgeValueValid;
carry.edgePanelOpen = lane.edgePanelOpen;
carry.edgePanelX = lane.edgePanelX;
carry.edgePanelY = lane.edgePanelY;
carry.edgeCenter = lane.edgeCenter;
carry.edgeCenterItems = lane.edgeCenterItems;
carry.edgeCenterPanelOpen = lane.edgeCenterPanelOpen;
carry.edgeCenterPanelX = lane.edgeCenterPanelX;
carry.edgeCenterPanelY = lane.edgeCenterPanelY;
carry.meanFilter = lane.meanFilter;
carry.meanFilterItems = lane.meanFilterItems;
carry.meanFilterPanelOpen = lane.meanFilterPanelOpen;
carry.meanFilterPanelX = lane.meanFilterPanelX;
carry.meanFilterPanelY = lane.meanFilterPanelY;
carry.weakBoost = lane.weakBoost;
carry.weakBoostItems = lane.weakBoostItems;
carry.weakBoostLevel = lane.weakBoostLevel;
carry.weakBoostIterations = lane.weakBoostIterations;
carry.weakBoostPanelOpen = lane.weakBoostPanelOpen;
carry.weakBoostPanelX = lane.weakBoostPanelX;
carry.weakBoostPanelY = lane.weakBoostPanelY;
for (const SignalRef& ref : lane.signals)
{
previousCarry.emplace_back(ref, carry);
}
}
const auto inheritedCarry = [&previousCarry](const SignalRef& ref)
{
for (const std::pair<SignalRef, LaneCarry>& entry : previousCarry)
{
if (entry.first == ref)
{
return entry.second;
}
}
return LaneCarry();
};
const auto applyCarry = [&inheritedCarry](Lane& lane, const SignalRef& ref)
{
const LaneCarry carry = inheritedCarry(ref);
lane.fitYToSelection = carry.fitYToSelection;
lane.edgeCount = carry.edgeCount;
lane.edgeValue = carry.edgeValue;
lane.edgeValueValid = carry.edgeValueValid;
lane.edgePanelOpen = carry.edgePanelOpen;
lane.edgePanelX = carry.edgePanelX;
lane.edgePanelY = carry.edgePanelY;
lane.edgeCenter = carry.edgeCenter;
lane.edgeCenterItems = carry.edgeCenterItems;
lane.edgeCenterPanelOpen = carry.edgeCenterPanelOpen;
lane.edgeCenterPanelX = carry.edgeCenterPanelX;
lane.edgeCenterPanelY = carry.edgeCenterPanelY;
lane.meanFilter = carry.meanFilter;
lane.meanFilterItems = carry.meanFilterItems;
lane.meanFilterPanelOpen = carry.meanFilterPanelOpen;
lane.meanFilterPanelX = carry.meanFilterPanelX;
lane.meanFilterPanelY = carry.meanFilterPanelY;
lane.weakBoost = carry.weakBoost;
lane.weakBoostItems = carry.weakBoostItems;
lane.weakBoostLevel = carry.weakBoostLevel;
lane.weakBoostIterations = carry.weakBoostIterations;
lane.weakBoostPanelOpen = carry.weakBoostPanelOpen;
lane.weakBoostPanelX = carry.weakBoostPanelX;
lane.weakBoostPanelY = carry.weakBoostPanelY;
};
// 收集全部可见信号引用。
std::vector<SignalRef> visibleRefs;
for (std::size_t fileIndex = 0; fileIndex < visible.size(); ++fileIndex)
{
for (std::size_t signalIndex = 0; signalIndex < visible[fileIndex].size(); ++signalIndex)
{
if (visible[fileIndex][signalIndex])
{
SignalRef ref;
ref.fileIndex = static_cast<int>(fileIndex);
ref.signalIndex = static_cast<int>(signalIndex);
visibleRefs.push_back(ref);
}
}
}
// 判断某引用对应的信号是否可见(越界视为不可见)。
const auto isVisibleRef = [&visible](const SignalRef& ref)
{
if (ref.fileIndex < 0 || static_cast<std::size_t>(ref.fileIndex) >= visible.size())
{
return false;
}
const std::vector<bool>& fileVisible = visible[static_cast<std::size_t>(ref.fileIndex)];
if (ref.signalIndex < 0 || static_cast<std::size_t>(ref.signalIndex) >= fileVisible.size())
{
return false;
}
return fileVisible[static_cast<std::size_t>(ref.signalIndex)];
};
// 某信号当前所属的网格下标(-1 表示尚未分配网格)。
const auto laneIndexOf = [&lanes](const SignalRef& ref)
{
for (std::size_t index = 0; index < lanes.size(); ++index)
{
const std::vector<SignalRef>& refs = lanes[index].signals;
if (std::find(refs.begin(), refs.end(), ref) != refs.end())
{
return static_cast<int>(index);
}
}
return -1;
};
if (mode == LaneMode::PER_SIGNAL)
{
// 每条可见信号独占一个网格:网格数量严格跟随可见信号数量。
// **顺序按"原有网格位置"优先**:已经分配过网格的信号保持其相对次序,
// 新勾选(此前没有网格)的信号统一追加到最下方。
// 若直接按 visibleRefs(文件/列序)重建,新勾选的信号会按其列序
// 插到中间,位置看起来"不确定"。
std::vector<SignalRef> ordered;
ordered.reserve(visibleRefs.size());
for (const SignalRef& ref : visibleRefs)
{
if (laneIndexOf(ref) >= 0)
{
ordered.push_back(ref);
}
}
std::stable_sort(ordered.begin(), ordered.end(),
[&laneIndexOf](const SignalRef& a, const SignalRef& b)
{ return laneIndexOf(a) < laneIndexOf(b); });
for (const SignalRef& ref : visibleRefs)
{
if (laneIndexOf(ref) < 0)
{
ordered.push_back(ref);
}
}
lanes.clear();
lanes.reserve(ordered.size());
for (const SignalRef& ref : ordered)
{
Lane lane;
lane.autoRange = true;
applyCarry(lane, ref);
lane.signals.push_back(ref);
lanes.push_back(std::move(lane));
}
}
else if (mode == LaneMode::MERGED)
{
// 全部可见信号合并到同一网格;无可见信号时不保留空网格。
bool previousAutoRange = true;
double previousYMin = -1.0;
double previousYMax = 1.0;
if (lanes.size() == 1)
{
previousAutoRange = lanes[0].autoRange;
previousYMin = lanes[0].yMin;
previousYMax = lanes[0].yMax;
}
lanes.clear();
if (!visibleRefs.empty())
{
Lane lane;
lane.autoRange = previousAutoRange;
lane.yMin = previousYMin;
lane.yMax = previousYMax;
applyCarry(lane, visibleRefs.front());
lane.signals = visibleRefs;
lanes.push_back(std::move(lane));
}
}
else
{
// 自定义划分:仅移除不可见信号与由此产生的空网格,保持用户排布。
for (Lane& lane : lanes)
{
std::vector<SignalRef>& refs = lane.signals;
refs.erase(std::remove_if(refs.begin(), refs.end(),
[&isVisibleRef](const SignalRef& ref)
{ return !isVisibleRef(ref); }),
refs.end());
}
lanes.erase(std::remove_if(lanes.begin(), lanes.end(),
[](const Lane& lane) { return lane.signals.empty(); }),
lanes.end());
// 未分配网格的可见信号各自独占一个新网格。
// 注意:不能把它们塞进已有的第一个网格——那会导致“拖拽合并后新勾选的信号
// 被悄悄并入合并网格”,用户看不到新增的独立泳道。
for (const SignalRef& ref : visibleRefs)
{
bool placed = false;
for (const Lane& lane : lanes)
{
if (std::find(lane.signals.begin(), lane.signals.end(), ref) != lane.signals.end())
{
placed = true;
break;
}
}
if (placed)
{
continue;
}
Lane lane;
lane.autoRange = true;
applyCarry(lane, ref);
lane.signals.push_back(ref);
lanes.push_back(std::move(lane));
}
}
// 统一重命名,保证编号连续。
for (std::size_t index = 0; index < lanes.size(); ++index)
{
lanes[index].name = L"网格 " + std::to_wstring(index + 1);
}
}
}
const wchar_t* DrawModeName(DrawMode mode)
{
switch (mode)
{
case DrawMode::LINE:
return L"线段";
case DrawMode::SCATTER:
return L"散点";
case DrawMode::LINE_SCATTER:
return L"点线";
default:
return L"线段";
}
}
// ============================ DataFile 构建 ============================
/**
* @brief 粗粒度包络层每个分组覆盖的采样数。
*
* 16KB 的双精度分组可覆盖 1024 个采样(内存开销 = 采样数的 1.6%),
* 但会让"每列采样数略多于分组跨度"的场景退化为逐点扫描。
* 取 256 时:额外内存约为采样数的 0.8%,最坏情况的扫描量也能压低到
* 每列 ≤256 个采样(2400 列 ≈ 0.6M 次读取,约 1ms)。
*/
const std::size_t kCoarseStride = 256;
/**
* @brief 单条信号的取值范围统计结果。
*/
struct SignalStats
{
double minValue = 0.0; /**< 有限采样值最小值。 */
double maxValue = 0.0; /**< 有限采样值最大值。 */
std::size_t finiteCount = 0; /**< 有限采样点数量。 */
};
/**
* @brief 统计一列采样的最小/最大值与有效点数量,并顺带构建粗粒度包络层。
*
* 两者在同一个循环内完成,避免为粗粒度层多扫一遍数据(大文件下那是一整趟内存遍历)。
*
* @param [IN] values 采样列。
* @param [OUT] coarseMin 粗粒度分组最小值输出。
* @param [OUT] coarseMax 粗粒度分组最大值输出。
* @return 统计结果。
*/
SignalStats ComputeStats(const std::vector<double>& values, std::vector<double>& coarseMin,
std::vector<double>& coarseMax)
{
SignalStats stats;
double low = std::numeric_limits<double>::infinity();
double high = -std::numeric_limits<double>::infinity();
const std::size_t count = values.size();
const std::size_t buckets = (count + kCoarseStride - 1) / kCoarseStride;
coarseMin.assign(buckets, std::numeric_limits<double>::infinity());
coarseMax.assign(buckets, -std::numeric_limits<double>::infinity());
std::size_t bucket = 0;
std::size_t bucketEnd = kCoarseStride;
for (std::size_t index = 0; index < count; ++index)
{
if (index >= bucketEnd)
{
++bucket;
bucketEnd += kCoarseStride;
}
const double value = values[index];
if (std::isfinite(value))
{
++stats.finiteCount;
low = std::min(low, value);
high = std::max(high, value);
if (value < coarseMin[bucket])
{
coarseMin[bucket] = value;
}
if (value > coarseMax[bucket])
{
coarseMax[bucket] = value;
}
}
}
if (stats.finiteCount == 0)
{
stats.minValue = 0.0;
stats.maxValue = 0.0;
}
else
{
stats.minValue = low;
stats.maxValue = high;
}
return stats;
}
bool BuildDataFile(CsvTable&& table, const std::wstring& filePath, std::size_t paletteBase, DataFile& file,
std::wstring& error, const CsvProgress& progress)
{
error.clear();
file = DataFile();
if (!table.HasData())
{
error = L"数据表为空。";
return false;
}
const std::size_t columnCount = table.headers.size();
if (table.columns.size() < columnCount)
{
error = L"数据表列结构不完整。";
return false;
}
// 1. 识别时间轴列:优先取列名匹配的列,否则回退到第一列。
int timeColumn = -1;
for (std::size_t column = 0; column < columnCount; ++column)
{
if (LooksLikeTimeHeader(table.headers[column]))
{
timeColumn = static_cast<int>(column);
break;
}
}
if (timeColumn < 0)
{
timeColumn = 0;
}
// 时间列整列移动,不做逐元素拷贝。
file.time = std::move(table.columns[static_cast<std::size_t>(timeColumn)]);
std::size_t finiteTimeCount = 0;
bool monotonic = true;
double previousTime = 0.0;
bool hasPrevious = false;
for (const double value : file.time)
{
if (std::isfinite(value))
{
++finiteTimeCount;
if (hasPrevious && value < previousTime)
{
monotonic = false;
}
previousTime = value;
hasPrevious = true;
}
}
if (finiteTimeCount < 2)
{
error = L"时间轴列(" + table.headers[static_cast<std::size_t>(timeColumn)] + L")有效数值不足。";
return false;
}
file.timeColumnName = table.headers[static_cast<std::size_t>(timeColumn)];
file.timeMonotonic = monotonic;
file.filePath = filePath;
const std::size_t slashPos = filePath.find_last_of(L"\\/");
file.fileName = (slashPos == std::wstring::npos) ? filePath : filePath.substr(slashPos + 1);
// 2. 构建信号列:每列整块移动,随后就地统计取值范围。
int paletteCount = 0;
const std::uint32_t* palette = SignalPalette(paletteCount);
file.signals.reserve(columnCount);
for (std::size_t column = 0; column < columnCount; ++column)
{
if (static_cast<int>(column) == timeColumn)
{
continue;
}
SignalData signal;
signal.rawHeader = table.headers[column];
{
// 名称完整保留文件内的列名(含 "[n]" 序号与括号描述),仅用于展示不做改写。
signal.name = Trim(signal.rawHeader);
signal.unit = ExtractUnit(signal.name);
}
signal.values = std::move(table.columns[column]);
const SignalStats stats = ComputeStats(signal.values, signal.coarseMin, signal.coarseMax);
signal.coarseStride = kCoarseStride;
signal.minValue = stats.minValue;
signal.maxValue = stats.maxValue;
signal.finiteCount = stats.finiteCount;
// 显示外观随信号一起初始化:调色板按「全局信号序号」取色,
// 使同一信号在任意标签页中都保持同一默认颜色。
{
const std::size_t globalIndex = paletteBase + file.signals.size();
if (palette != nullptr && paletteCount > 0)
{
const std::size_t count = static_cast<std::size_t>(paletteCount);
const std::size_t slot = globalIndex % count;
signal.style.color = palette[slot];
// 自定义色初值取调色板中「向后递进」的下一个颜色。
// 若初值等于本信号自身的预设色,样式区里点击该预设色块会被判定成
// “当前用的是自定义色”,高亮会直接跳到自定义色块上(此前的缺陷)。
signal.style.customColor = palette[(slot + 1) % count];
}
else
{
signal.style.color = 0xFF268BD2u;
signal.style.customColor = 0xFF859900u;
}
signal.style.opacity = 1.0f;
signal.style.lineWidth = 1.0f;
signal.style.mode = DrawMode::LINE;
}
file.signals.push_back(std::move(signal));
if (progress)
{
CsvProgressInfo info;
info.ratio = 0.75 + 0.25 * static_cast<double>(column + 1) / static_cast<double>(columnCount);
if (!progress(info))
{
error = L"已取消加载。";
return false;
}
}
}
if (file.signals.empty())
{
error = L"除时间轴外未发现任何数据列。";
return false;
}
// 3. 统计时间范围(时间列为空或全部无效时回退到行数上界)。
double tMin = std::numeric_limits<double>::infinity();
double tMax = -std::numeric_limits<double>::infinity();
for (const double value : file.time)
{
if (std::isfinite(value))
{
tMin = std::min(tMin, value);
tMax = std::max(tMax, value);
}
}
file.minTime = tMin;
file.maxTime = tMax;
return true;
}
// ============================ DataSet ============================
bool DataSet::AddDataFile(DataFile&& file, int& fileIndex)
{
fileIndex = -1;
if (file.signals.empty())
{
return false;
}
m_files.push_back(std::move(file));
fileIndex = static_cast<int>(m_files.size()) - 1;
return true;
}
bool DataSet::InsertDerivedSignal(int fileIndex, int afterSignalIndex, SignalData&& signal,
int& newSignalIndex)
{
newSignalIndex = -1;
if (fileIndex < 0 || fileIndex >= static_cast<int>(m_files.size()))
{
return false;
}
DataFile& file = m_files[static_cast<std::size_t>(fileIndex)];
if (afterSignalIndex < -1 || afterSignalIndex >= static_cast<int>(file.signals.size()))
{
return false;
}
// 1. 采样值统计与粗粒度包络层:与正常加载路径使用同一套统计逻辑,
// 否则派生信号在大文件下会退化成逐点扫描(包络构建变慢)。
const SignalStats stats = ComputeStats(signal.values, signal.coarseMin, signal.coarseMax);
signal.coarseStride = kCoarseStride;
signal.minValue = stats.minValue;
signal.maxValue = stats.maxValue;
signal.finiteCount = stats.finiteCount;
// 2. 显示外观按「全局信号序号」取调色板颜色(与普通新信号完全一致的规则)。
const int insertPos = afterSignalIndex + 1;
{
// 新信号的全局序号 = 本文件之前的信号总数 + 它在文件内的下标。
std::size_t globalIndex = static_cast<std::size_t>(insertPos);
for (int index = 0; index < fileIndex; ++index)
{
globalIndex += m_files[static_cast<std::size_t>(index)].signals.size();
}
int paletteCount = 0;
const std::uint32_t* palette = SignalPalette(paletteCount);
if (palette != nullptr && paletteCount > 0)
{
const std::size_t count = static_cast<std::size_t>(paletteCount);
const std::size_t slot = globalIndex % count;
signal.style.color = palette[slot];
signal.style.customColor = palette[(slot + 1) % count];
}
}
file.signals.insert(file.signals.begin() + insertPos, std::move(signal));
// 3. 全局选中引用:同一文件内位于插入点之后的信号下标整体后移。
if (m_selected.fileIndex == fileIndex && m_selected.signalIndex >= insertPos)
{
++m_selected.signalIndex;
}
newSignalIndex = insertPos;
return true;
}
bool DataSet::RemoveFile(int fileIndex)
{
if (fileIndex < 0 || fileIndex >= static_cast<int>(m_files.size()))
{
return false;
}
// 用移动到末位后弹出的方式移除,使被移除文件的时间轴与全部信号缓冲区在本调用内
// 立即析构归还操作系统,不再等待后续插入覆盖;最后收缩容量,避免残留空闲块。
const std::size_t position = static_cast<std::size_t>(fileIndex);
for (std::size_t index = position; index + 1 < m_files.size(); ++index)
{
m_files[index] = std::move(m_files[index + 1]);
}
m_files.pop_back();
m_files.shrink_to_fit();
return true;
}
bool DataSet::RemoveSignal(int fileIndex, int signalIndex)
{
if (fileIndex < 0 || fileIndex >= static_cast<int>(m_files.size()))
{
return false;
}
DataFile& file = m_files[static_cast<std::size_t>(fileIndex)];
if (signalIndex < 0 || signalIndex >= static_cast<int>(file.signals.size()))
{
return false;
}
// 与 RemoveFile 同一思路:先把待移除项移到末位(move 赋值时其原有缓冲当场析构),
// 再 pop_back + shrink_to_fit,使该信号的全部采样内存在本调用内立即归还给系统,
// 而不是留在容量里等后续插入覆盖。
std::vector<SignalData>& signals = file.signals;
const std::size_t position = static_cast<std::size_t>(signalIndex);
for (std::size_t index = position; index + 1 < signals.size(); ++index)
{
signals[index] = std::move(signals[index + 1]);
}
signals.pop_back();
signals.shrink_to_fit();
return true;
}
void DataSet::RemapSelectionAfterSignalRemoval(int fileIndex, int signalIndex)
{
if (fileIndex < 0 || signalIndex < 0 || m_selected.fileIndex != fileIndex)
{
return;
}
if (m_selected.signalIndex == signalIndex)
{
// 选中的信号本身被移除:取消选中。
m_selected = SignalRef();
}
else if (m_selected.signalIndex > signalIndex)
{
// 其后信号整体前移一位。
--m_selected.signalIndex;
}
}
std::size_t DataSet::SignalCount() const
{
std::size_t count = 0;
for (const DataFile& file : m_files)
{
count += file.signals.size();
}
return count;
}
const DataFile* DataSet::FileAt(int fileIndex) const
{
if (fileIndex < 0 || fileIndex >= static_cast<int>(m_files.size()))
{
return nullptr;
}
return &m_files[static_cast<std::size_t>(fileIndex)];
}
bool DataSet::SetSignalDisplayName(int fileIndex, int signalIndex, const std::wstring& name)
{
if (fileIndex < 0 || fileIndex >= static_cast<int>(m_files.size()))
{
return false;
}
DataFile& file = m_files[static_cast<std::size_t>(fileIndex)];
if (signalIndex < 0 || signalIndex >= static_cast<int>(file.signals.size()))
{
return false;
}
// 统一去除首尾空白;结果为空则视为恢复原始列名。
std::wstring trimmed = Trim(name);
SignalData& signal = file.signals[static_cast<std::size_t>(signalIndex)];
if (trimmed == signal.displayName)
{
return false;
}
signal.displayName = std::move(trimmed);
return true;
}
bool DataSet::SetFileDisplayName(int fileIndex, const std::wstring& name)
{
if (fileIndex < 0 || fileIndex >= static_cast<int>(m_files.size()))
{
return false;
}
std::wstring trimmed = Trim(name);
DataFile& file = m_files[static_cast<std::size_t>(fileIndex)];
if (trimmed == file.displayName)
{
return false;
}
file.displayName = std::move(trimmed);
return true;
}
const SignalData* DataSet::Resolve(const SignalRef& ref) const
{
const DataFile* file = FileAt(ref.fileIndex);
if (file == nullptr)
{
return nullptr;
}
if (ref.signalIndex < 0 || ref.signalIndex >= static_cast<int>(file->signals.size()))
{
return nullptr;
}
return &file->signals[static_cast<std::size_t>(ref.signalIndex)];
}
const SignalStyle* DataSet::Style(const SignalRef& ref) const
{
const SignalData* signal = Resolve(ref);
return (signal != nullptr) ? &signal->style : nullptr;
}
SignalStyle* DataSet::Style(const SignalRef& ref)
{
const DataFile* file = FileAt(ref.fileIndex);
if (file == nullptr)
{
return nullptr;
}
if (ref.signalIndex < 0 || ref.signalIndex >= static_cast<int>(file->signals.size()))
{
return nullptr;
}
// 这里需要写入,因此借助非 const 路径重新定位信号。
DataFile& mutableFile = m_files[static_cast<std::size_t>(ref.fileIndex)];
return &mutableFile.signals[static_cast<std::size_t>(ref.signalIndex)].style;
}
double DataSet::MinTime() const
{
double value = std::numeric_limits<double>::infinity();
for (const DataFile& file : m_files)
{
if (std::isfinite(file.minTime))
{
value = std::min(value, file.minTime);
}
}
return std::isfinite(value) ? value : 0.0;
}
double DataSet::MaxTime() const
{
double value = -std::numeric_limits<double>::infinity();
for (const DataFile& file : m_files)
{
if (std::isfinite(file.maxTime))
{
value = std::max(value, file.maxTime);
}
}
return std::isfinite(value) ? value : 1.0;
}
void DataSet::RemapSelectionAfterFileRemoval(int fileIndex)
{
if (fileIndex < 0)
{
return;
}
if (m_selected.fileIndex == fileIndex)
{
m_selected = SignalRef();
}
else if (m_selected.fileIndex > fileIndex)
{
--m_selected.fileIndex;
}
}
bool DataSet::ValidateSelection()
{
if (!m_selected.IsValid())
{
return false;
}
if (Resolve(m_selected) != nullptr)
{
return false;
}
m_selected = SignalRef();
return true;
}
// ============================ 采样辅助 ============================
namespace
{
/**
* @brief 滑动平均的共用实现(输入只要可转成 double)。
*
* 窗口 = [max(0,i-N), min(count-1,i+N)],每前进一步只增减边界处的两个采样点,
* 整体 O(n),不额外占用前缀和内存。
*/
template <typename T>
void MovingAverageImpl(const std::vector<T>& values, int radius, std::vector<float>& out);
} // namespace
void ComputeMovingAverage(const std::vector<double>& values, int radius, std::vector<float>& out)
{
MovingAverageImpl(values, radius, out);
}
namespace
{
template <typename T>
void MovingAverageImpl(const std::vector<T>& values, int radius, std::vector<float>& out)
{
const int window = std::max(0, radius);
const std::size_t count = values.size();
out.assign(count, std::numeric_limits<float>::quiet_NaN());
if (count == 0 || window == 0)
{
// 半径 0 表示不平滑:原样复制(中心点无效处仍为 NaN)。
for (std::size_t index = 0; index < count; ++index)
{
const double value = static_cast<double>(values[index]);
if (std::isfinite(value))
{
out[index] = static_cast<float>(value);
}
}
return;
}
// 滑动窗口求和:每前进一步只增减边界处的两个采样点,整体 O(n)。
double sum = 0.0;
std::size_t finiteCount = 0;
std::size_t windowLow = 0;
std::size_t windowHigh = 0; // 闭区间右端。
const auto addValue = [&sum, &finiteCount](double value)
{
if (std::isfinite(value))
{
sum += value;
++finiteCount;
}
};
const auto removeValue = [&sum, &finiteCount](double value)
{
if (std::isfinite(value))
{
sum -= value;
--finiteCount;
}
};
for (std::size_t index = 0; index < count; ++index)
{
const std::size_t low = (index > static_cast<std::size_t>(window))
? (index - static_cast<std::size_t>(window))
: 0;
const std::size_t high =
std::min(count - 1, index + static_cast<std::size_t>(window));
if (index == 0)
{
windowLow = low;
windowHigh = high;
for (std::size_t i = windowLow; i <= windowHigh; ++i)
{
addValue(static_cast<double>(values[i]));
}
}
else
{
while (windowLow < low)
{
removeValue(static_cast<double>(values[windowLow]));
++windowLow;
}
while (windowHigh < high)
{
++windowHigh;
addValue(static_cast<double>(values[windowHigh]));
}
}
// 中心点本身无效(NaN)时该处不产生有效结果。
const double center = static_cast<double>(values[index]);
if (finiteCount > 0 && std::isfinite(center))
{
out[index] = static_cast<float>(sum / static_cast<double>(finiteCount));
}
}
}
} // namespace
void ComputeMovingAverageIterated(const std::vector<double>& values, int radius, int iterations,
std::vector<float>& out)
{
const int stages = std::max(1, iterations);
// 第 1 阶:从原始采样值出发。
ComputeMovingAverage(values, radius, out);
if (stages == 1)
{
return;
}
// 后续各阶以上一阶的结果为输入(double 中转,避免 float→double 的精度损失累积)。
// 中转缓冲复用容量(线程本地),避免每阶重新分配上千万元素的向量。
thread_local std::vector<double> bufferBuffer;
std::vector<double>& buffer = bufferBuffer;
buffer.assign(values.size(), std::numeric_limits<double>::quiet_NaN());
std::vector<float> stage;
for (int iteration = 1; iteration < stages; ++iteration)
{
for (std::size_t index = 0; index < out.size(); ++index)
{
buffer[index] = std::isfinite(out[index]) ? static_cast<double>(out[index])
: std::numeric_limits<double>::quiet_NaN();
}
ComputeMovingAverage(buffer, radius, stage);
out.swap(stage);
}
}
namespace
{
/**
* @brief 「弱波增强」内部使用的极值点(波峰 / 波谷)。
*/
struct BoostExtremum
{
std::size_t index = 0; /**< 采样下标。 */
double value = 0.0; /**< 采样值。 */
int type = 0; /**< +1 = 波峰,-1 = 波谷。 */
};
/**
* @brief 「弱波增强」的单阶处理:把偏弱的波峰上拉、偏弱的波谷下拉。
*
* **不做任何前置滤波**(需要平滑时用户可以先用「均值滤波」构建一条滤波后的信号):
* 极值点直接在输入采样上通过单调段的方向翻转识别。
*
* @param [IN] input 本阶的输入采样值。
* @param [IN] strength 弱波增强等级(0–1,已夹取)。
* @param [OUT] output 本阶的输出(长度与 input 相同;原值为 NaN 处保持 NaN)。
* @return 确实有采样点被改动返回 true;完全无弱波时返回 false。
*/
bool ApplyWeakBoostStage(const std::vector<float>& input, double strength,
std::vector<float>& output, std::vector<BoostExtremum>& extremes)
{
const std::size_t count = input.size();
output.assign(count, std::numeric_limits<float>::quiet_NaN());
if (count == 0)
{
return false;
}
// 先把有效采样原样拷入输出,之后按“极值点之间的平滑偏移”逐点叠加。
for (std::size_t index = 0; index < count; ++index)
{
const float value = input[index];
if (std::isfinite(value))
{
output[index] = value;
}
}
// 1) 识别波峰 / 波谷:扫描单调段,方向翻转处的上一个采样点即为极值点。
// 波峰(先升后降)与波谷(先降后升)必然交替出现,
// 因此同类极值就是极值序列里下标 ±2 的两个。
extremes.clear();
{
int direction = 0; // 当前单调段方向(+1 上升、-1 下降)。
bool hasPrevious = false;
std::size_t previousIndex = 0;
double previousValue = 0.0;
for (std::size_t index = 0; index < count; ++index)
{
const double value = static_cast<double>(input[index]);
if (!std::isfinite(value))
{
// 无效采样作为断点:不跨越它判定极值。
hasPrevious = false;
continue;
}
if (!hasPrevious)
{
hasPrevious = true;
previousIndex = index;
previousValue = value;
continue;
}
const int step = (value > previousValue) ? 1 : ((value < previousValue) ? -1 : 0);
if (step != 0)
{
if (direction == 0)
{
direction = step;
}
else if (step != direction)
{
// 方向在此翻转:上一个采样点就是极值(原方向向上则为波峰)。
BoostExtremum extreme;
extreme.index = previousIndex;
extreme.value = previousValue;
extreme.type = direction;
extremes.push_back(extreme);
direction = step;
}
}
previousIndex = index;
previousValue = value;
}
}
// 识别不到足够多的极值(常量 / 单调 / 采样点太少):本阶无需任何改动。
if (extremes.size() < 5)
{
return false;
}
// 2) 逐个极值点判定“是否偏弱”,并算出它自己的目标偏移量。
const std::size_t extremeCount = extremes.size();
thread_local std::vector<double> shiftBuffer;
std::vector<double>& shift = shiftBuffer;
shift.assign(extremeCount, 0.0);
for (std::size_t k = 2; k + 2 < extremeCount; ++k)
{
const BoostExtremum& current = extremes[k];
const BoostExtremum& left = extremes[k - 2];
const BoostExtremum& right = extremes[k + 2];
if (left.type != current.type || right.type != current.type)
{
continue;
}
if (!std::isfinite(current.value) || !std::isfinite(left.value) ||
!std::isfinite(right.value))
{
continue;
}
const double mean = (left.value + right.value) * 0.5;
const double lower = std::min(left.value, right.value);
const double upper = std::max(left.value, right.value);
double destination = 0.0;
if (current.type > 0)
{
// 波峰:低于左右两个波峰的均值 → 判定为弱波,上拉到等级对应的目标值。
if (!(current.value < mean))
{
continue;
}
destination = lower + strength * (upper - lower);
}
else
{
// 波谷:高于左右两个波谷的均值 → 判定为弱波,下拉到等级对应的目标值。
if (!(current.value > mean))
{
continue;
}
destination = upper - strength * (upper - lower);
}
shift[k] = destination - current.value;
}
// 3) 把偏移量平滑地摊到极值点之间的数据点上:
// 相邻两个极值点之间用平滑步进过渡(两端导数为 0,波形不会出现折角),
// 数据首尾则从 0 渐变到最近的极值点偏移。
// 注意:极值序列的首尾各两个元素的偏移量恒为 0(缺少同类的左右邻居),
// 因此这里只需要填充 shift 非零的区间。
bool changed = false;
const auto applySpan = [&input, &output, count](std::size_t begin, std::size_t end,
double beginShift, double endShift)
{
if (end <= begin)
{
if (begin < count && std::isfinite(input[begin]))
{
output[begin] = static_cast<float>(input[begin] + beginShift);
}
return;
}
const double span = static_cast<double>(end - begin);
for (std::size_t index = begin; index <= end; ++index)
{
const float value = input[index];
if (!std::isfinite(value))
{
continue;
}
const double t = static_cast<double>(index - begin) / span;
const double weight = t * t * (3.0 - 2.0 * t);
output[index] = static_cast<float>(value + beginShift * (1.0 - weight) +
endShift * weight);
}
};
for (std::size_t k = 0; k + 1 < extremeCount; ++k)
{
if (shift[k] == 0.0 && shift[k + 1] == 0.0)
{
continue;
}
applySpan(extremes[k].index, extremes[k + 1].index, shift[k], shift[k + 1]);
changed = true;
}
return changed;
}
} // namespace
void ComputeWeakWaveBoost(const std::vector<double>& values, double level, int iterations,
std::vector<float>& out)
{
const std::size_t count = values.size();
out.assign(count, std::numeric_limits<float>::quiet_NaN());
if (count == 0)
{
return;
}
// 第 1 阶:从原始采样值出发(非有限值保持 NaN)。
// 工作缓冲用线程本地变量复用容量:单条曲线动辄上千万采样,若每次调用都重新分配
// 并零初始化,单条「弱波增强」的耗时会被明显放大(内存分配 + page fault)。
thread_local std::vector<float> currentBuffer;
thread_local std::vector<float> nextBuffer;
thread_local std::vector<BoostExtremum> extremesBuffer;
std::vector<float>& current = currentBuffer;
current.assign(count, std::numeric_limits<float>::quiet_NaN());
for (std::size_t index = 0; index < count; ++index)
{
const double value = values[index];
if (std::isfinite(value))
{
current[index] = static_cast<float>(value);
}
}
// 「迭代次数 N」与「均值滤波」的迭代次数语义一致:把同一处理**重复应用 N 次**,
// 每一阶以上一阶的结果为输入。一阶时改定量已严格等于「等级」对应的目标值;
// 多次迭代时相邻的弱波会互相抬高彼此的基准,从而把较宽的弱波区逐步恢复。
const int stages = std::max(1, std::min(iterations, 1000));
const double strength = std::max(0.0, std::min(1.0, level));
std::vector<float>& next = nextBuffer;
for (int stage = 0; stage < stages; ++stage)
{
if (!ApplyWeakBoostStage(current, strength, next, extremesBuffer))
{
// 这一阶没有任何采样点需要调整:后续迭代次数也不会再有变化,提前结束。
break;
}
current.swap(next);
}
out.swap(current);
}
const Lane::MeanFilterItem* Lane::FindMeanFilterItem(const SignalRef& ref) const
{
for (const MeanFilterItem& item : meanFilterItems)
{
if (item.ref == ref)
{
return &item;
}
}
return nullptr;
}
Lane::MeanFilterItem& Lane::EnsureMeanFilterItem(const SignalRef& ref)
{
for (MeanFilterItem& item : meanFilterItems)
{
if (item.ref == ref)
{
return item;
}
}
MeanFilterItem item;
item.ref = ref;
meanFilterItems.push_back(item);
return meanFilterItems.back();
}
void Lane::RemoveMeanFilterItem(const SignalRef& ref)
{
meanFilterItems.erase(
std::remove_if(meanFilterItems.begin(), meanFilterItems.end(),
[&ref](const MeanFilterItem& item) { return item.ref == ref; }),
meanFilterItems.end());
}
const Lane::EdgeCenterItem* Lane::FindEdgeCenterItem(const SignalRef& ref) const
{
for (const EdgeCenterItem& item : edgeCenterItems)
{
if (item.ref == ref)
{
return &item;
}
}
return nullptr;
}
Lane::EdgeCenterItem& Lane::EnsureEdgeCenterItem(const SignalRef& ref)
{
for (EdgeCenterItem& item : edgeCenterItems)
{
if (item.ref == ref)
{
return item;
}
}
EdgeCenterItem item;
item.ref = ref;
edgeCenterItems.push_back(item);
return edgeCenterItems.back();
}
void Lane::RemoveEdgeCenterItem(const SignalRef& ref)
{
edgeCenterItems.erase(
std::remove_if(edgeCenterItems.begin(), edgeCenterItems.end(),
[&ref](const EdgeCenterItem& item) { return item.ref == ref; }),
edgeCenterItems.end());
}
const Lane::WeakBoostItem* Lane::FindWeakBoostItem(const SignalRef& ref) const
{
for (const WeakBoostItem& item : weakBoostItems)
{
if (item.ref == ref)
{
return &item;
}
}
return nullptr;
}
Lane::WeakBoostItem& Lane::EnsureWeakBoostItem(const SignalRef& ref)
{
for (WeakBoostItem& item : weakBoostItems)
{
if (item.ref == ref)
{
return item;
}
}
WeakBoostItem item;
item.ref = ref;
weakBoostItems.push_back(item);
return weakBoostItems.back();
}
void Lane::RemoveWeakBoostItem(const SignalRef& ref)
{
weakBoostItems.erase(
std::remove_if(weakBoostItems.begin(), weakBoostItems.end(),
[&ref](const WeakBoostItem& item) { return item.ref == ref; }),
weakBoostItems.end());
}
int FindNearestSample(const DataFile& file, double time)
{
const std::size_t count = file.time.size();
if (count == 0)
{
return -1;
}
if (file.timeMonotonic)
{
const std::vector<double>::const_iterator lower =
std::lower_bound(file.time.begin(), file.time.end(), time);
if (lower == file.time.begin())
{
return 0;
}
if (lower == file.time.end())
{
return static_cast<int>(count - 1);
}
const std::size_t rightIndex = static_cast<std::size_t>(lower - file.time.begin());
const std::size_t leftIndex = rightIndex - 1;
const double leftDistance = std::fabs(time - file.time[leftIndex]);
const double rightDistance = std::fabs(file.time[rightIndex] - time);
return (leftDistance <= rightDistance) ? static_cast<int>(leftIndex) : static_cast<int>(rightIndex);
}
int best = 0;
double bestDistance = std::numeric_limits<double>::infinity();
for (std::size_t index = 0; index < count; ++index)
{
if (!std::isfinite(file.time[index]))
{
continue;
}
const double distance = std::fabs(file.time[index] - time);
if (distance < bestDistance)
{
bestDistance = distance;
best = static_cast<int>(index);
}
}
return best;
}
bool SampleSignalAt(const DataFile& file, const SignalData& signal, double time, bool interpolate,
double& value)
{
value = kMissing;
if (file.time.empty() || signal.values.empty())
{
return false;
}
if (time < file.minTime || time > file.maxTime)
{
return false;
}
const std::vector<double>& values = signal.values;
if (!file.timeMonotonic)
{
const int nearest = FindNearestSample(file, time);
if (nearest < 0 || static_cast<std::size_t>(nearest) >= values.size())
{
return false;
}
value = values[static_cast<std::size_t>(nearest)];
return std::isfinite(value);
}
const std::vector<double>::const_iterator lower = std::lower_bound(file.time.begin(), file.time.end(), time);
const std::size_t rightIndex = static_cast<std::size_t>(lower - file.time.begin());
if (rightIndex == 0)
{
value = values[0];
return std::isfinite(value);
}
if (rightIndex >= file.time.size())
{
value = values.back();
return std::isfinite(value);
}
const std::size_t leftIndex = rightIndex - 1;
if (rightIndex >= values.size() || leftIndex >= values.size())
{
return false;
}
const double t0 = file.time[leftIndex];
const double t1 = file.time[rightIndex];
const double v0 = values[leftIndex];
const double v1 = values[rightIndex];
if (!interpolate || !std::isfinite(v0) || !std::isfinite(v1) || !(t1 > t0))
{
const double leftDistance = std::fabs(time - t0);
const double rightDistance = std::fabs(t1 - time);
value = (leftDistance <= rightDistance) ? v0 : v1;
return std::isfinite(value);
}
const double ratio = (time - t0) / (t1 - t0);
value = v0 + (v1 - v0) * ratio;
return true;
}
// ============================ TabConfig ============================
TabConfig::TabConfig()
: m_name(L"视图 1")
{
}
void TabConfig::SyncToDataSet(const DataSet& dataSet)
{
const std::size_t fileCount = dataSet.FileCount();
m_visible.resize(fileCount);
m_collapsed.resize(fileCount, false);
for (std::size_t fileIndex = 0; fileIndex < fileCount; ++fileIndex)
{
const DataFile* file = dataSet.FileAt(static_cast<int>(fileIndex));
if (file == nullptr)
{
continue;
}
// 新增信号默认为未勾选(由用户自行决定查看哪些信号),
// 其显示外观已在 DataSet 中初始化完毕。
m_visible[fileIndex].resize(file->signals.size(), false);
}
// 清理已失效的网格引用(选中状态由 DataSet 统一维护)。
for (Lane& lane : m_lanes)
{
std::vector<SignalRef>& refs = lane.signals;
refs.erase(std::remove_if(refs.begin(), refs.end(),
[&dataSet](const SignalRef& ref) { return dataSet.Resolve(ref) == nullptr; }),
refs.end());
}
m_lanes.erase(std::remove_if(m_lanes.begin(), m_lanes.end(),
[](const Lane& lane) { return lane.signals.empty(); }),
m_lanes.end());
SyncLanes();
}
void TabConfig::RemapAfterFileRemoval(int fileIndex)
{
if (fileIndex < 0)
{
return;
}
const std::size_t slot = static_cast<std::size_t>(fileIndex);
if (slot < m_visible.size())
{
m_visible.erase(m_visible.begin() + fileIndex);
}
if (slot < m_collapsed.size())
{
m_collapsed.erase(m_collapsed.begin() + fileIndex);
}
for (Lane& lane : m_lanes)
{
std::vector<SignalRef>& refs = lane.signals;
refs.erase(std::remove_if(refs.begin(), refs.end(),
[fileIndex](const SignalRef& ref)
{ return ref.fileIndex == fileIndex; }),
refs.end());
for (SignalRef& ref : refs)
{
if (ref.fileIndex > fileIndex)
{
--ref.fileIndex;
}
}
}
m_lanes.erase(std::remove_if(m_lanes.begin(), m_lanes.end(),
[](const Lane& lane) { return lane.signals.empty(); }),
m_lanes.end());
}
void TabConfig::RemapAfterSignalRemoval(int fileIndex, int signalIndex)
{
if (fileIndex < 0 || signalIndex < 0)
{
return;
}
// 可见性表:删掉该信号对应的那一列。
const std::size_t slot = static_cast<std::size_t>(fileIndex);
if (slot < m_visible.size())
{
std::vector<bool>& fileVisible = m_visible[slot];
if (static_cast<std::size_t>(signalIndex) < fileVisible.size())
{
fileVisible.erase(fileVisible.begin() + signalIndex);
}
}
// 网格归属:删掉该信号本身,并把同一文件内位于其后的引用下标前移一位。
for (Lane& lane : m_lanes)
{
std::vector<SignalRef>& refs = lane.signals;
refs.erase(std::remove_if(refs.begin(), refs.end(),
[fileIndex, signalIndex](const SignalRef& ref)
{
return ref.fileIndex == fileIndex &&
ref.signalIndex == signalIndex;
}),
refs.end());
for (SignalRef& ref : refs)
{
if (ref.fileIndex == fileIndex && ref.signalIndex > signalIndex)
{
--ref.signalIndex;
}
}
// 均值滤波 / 中心轴边沿计数的条目同样持有信号引用,必须一起删除/前移。
const auto purgeRefs = [fileIndex, signalIndex](std::vector<Lane::MeanFilterItem>& items)
{
items.erase(std::remove_if(items.begin(), items.end(),
[fileIndex, signalIndex](const Lane::MeanFilterItem& item)
{
return item.ref.fileIndex == fileIndex &&
item.ref.signalIndex == signalIndex;
}),
items.end());
for (Lane::MeanFilterItem& item : items)
{
if (item.ref.fileIndex == fileIndex && item.ref.signalIndex > signalIndex)
{
--item.ref.signalIndex;
}
}
};
purgeRefs(lane.meanFilterItems);
purgeRefs(lane.edgeCenterItems);
purgeRefs(lane.weakBoostItems);
}
// 被移除信号若独占了某个网格,该网格随之消失(与取消勾选的行为一致)。
m_lanes.erase(std::remove_if(m_lanes.begin(), m_lanes.end(),
[](const Lane& lane) { return lane.signals.empty(); }),
m_lanes.end());
}
bool TabConfig::IsVisible(const SignalRef& ref) const
{
if (ref.fileIndex < 0 || static_cast<std::size_t>(ref.fileIndex) >= m_visible.size())
{
return false;
}
const std::vector<bool>& fileVisible = m_visible[static_cast<std::size_t>(ref.fileIndex)];
if (ref.signalIndex < 0 || static_cast<std::size_t>(ref.signalIndex) >= fileVisible.size())
{
return false;
}
return fileVisible[static_cast<std::size_t>(ref.signalIndex)];
}
void TabConfig::SetVisible(const SignalRef& ref, bool visible)
{
if (ref.fileIndex < 0 || static_cast<std::size_t>(ref.fileIndex) >= m_visible.size())
{
return;
}
std::vector<bool>& fileVisible = m_visible[static_cast<std::size_t>(ref.fileIndex)];
if (ref.signalIndex < 0 || static_cast<std::size_t>(ref.signalIndex) >= fileVisible.size())
{
return;
}
if (fileVisible[static_cast<std::size_t>(ref.signalIndex)] == visible)
{
return;
}
fileVisible[static_cast<std::size_t>(ref.signalIndex)] = visible;
// 合并模式下新勾选的信号独占一个新网格:切到自定义划分后,
// RebuildLanes 会把尚未分配网格的可见信号各自放入新网格。
if (visible && m_laneMode == LaneMode::MERGED)
{
m_laneMode = LaneMode::CUSTOM;
}
SyncLanes();
}
void TabConfig::ToggleVisible(const SignalRef& ref)
{
SetVisible(ref, !IsVisible(ref));
}
void TabConfig::SetFileVisible(int fileIndex, bool visible)
{
if (fileIndex < 0 || static_cast<std::size_t>(fileIndex) >= m_visible.size())
{
return;
}
std::vector<bool>& fileVisible = m_visible[static_cast<std::size_t>(fileIndex)];
// 合并模式下“新增”的信号同样应各自独占网格(与 SetVisible 一致):
// 先切到自定义划分,RebuildLanes 会把尚未分配网格的可见信号追加到最下方。
// 只有确实存在“原本不可见”的信号时才切模式,避免重复点击默默改掉划分策略。
const bool anyHidden =
std::find(fileVisible.begin(), fileVisible.end(), false) != fileVisible.end();
if (visible && anyHidden && m_laneMode == LaneMode::MERGED)
{
m_laneMode = LaneMode::CUSTOM;
}
std::fill(fileVisible.begin(), fileVisible.end(), visible);
SyncLanes();
}
void TabConfig::SetAllVisible(bool visible)
{
bool anyHidden = false;
for (const std::vector<bool>& fileVisible : m_visible)
{
if (std::find(fileVisible.begin(), fileVisible.end(), false) != fileVisible.end())
{
anyHidden = true;
break;
}
}
// 同上:合并模式下新增的信号各自独占网格,且排列在最下方。
if (visible && anyHidden && m_laneMode == LaneMode::MERGED)
{
m_laneMode = LaneMode::CUSTOM;
}
for (std::vector<bool>& fileVisible : m_visible)
{
std::fill(fileVisible.begin(), fileVisible.end(), visible);
}
SyncLanes();
}
void TabConfig::SoloSignal(const SignalRef& ref)
{
for (std::vector<bool>& fileVisible : m_visible)
{
std::fill(fileVisible.begin(), fileVisible.end(), false);
}
SetVisible(ref, true);
}
bool TabConfig::FileHasVisible(int fileIndex) const
{
if (fileIndex < 0 || static_cast<std::size_t>(fileIndex) >= m_visible.size())
{
return false;
}
const std::vector<bool>& fileVisible = m_visible[static_cast<std::size_t>(fileIndex)];
return std::find(fileVisible.begin(), fileVisible.end(), true) != fileVisible.end();
}
bool TabConfig::FileAllVisible(int fileIndex) const
{
if (fileIndex < 0 || static_cast<std::size_t>(fileIndex) >= m_visible.size())
{
return false;
}
const std::vector<bool>& fileVisible = m_visible[static_cast<std::size_t>(fileIndex)];
if (fileVisible.empty())
{
return false;
}
return std::find(fileVisible.begin(), fileVisible.end(), false) == fileVisible.end();
}
bool TabConfig::AnyVisible() const
{
for (const std::vector<bool>& fileVisible : m_visible)
{
if (std::find(fileVisible.begin(), fileVisible.end(), true) != fileVisible.end())
{
return true;
}
}
return false;
}
int TabConfig::VisibleCount() const
{
int count = 0;
for (const std::vector<bool>& fileVisible : m_visible)
{
count += static_cast<int>(std::count(fileVisible.begin(), fileVisible.end(), true));
}
return count;
}
void TabConfig::SetMode(LaneMode mode)
{
m_laneMode = mode;
SyncLanes();
}
void TabConfig::SyncLanes()
{
RebuildLanes(m_visible, m_lanes, m_laneMode);
}
int TabConfig::LaneOfSignal(const SignalRef& ref) const
{
for (std::size_t lane = 0; lane < m_lanes.size(); ++lane)
{
const std::vector<SignalRef>& refs = m_lanes[lane].signals;
if (std::find(refs.begin(), refs.end(), ref) != refs.end())
{
return static_cast<int>(lane);
}
}
return -1;
}
int TabConfig::MoveSignalToLane(const DataSet& dataSet, const SignalRef& ref, int laneIndex)
{
if (dataSet.Resolve(ref) == nullptr)
{
return -1;
}
const int sourceLane = LaneOfSignal(ref);
if (laneIndex >= 0 && laneIndex == sourceLane)
{
// 拖回原网格:无需变动,避免因网格回收导致顺序抖动。
return sourceLane;
}
// 先把目标网格的“锚信号”固定下来:移除信号后空网格会被回收,
// 下标随之变化,必须用不依赖下标的引用找回真正的目标网格
// (否则会变成“与原网格交换位置”而不是合并进去)。
SignalRef targetAnchor;
bool hasTarget = (laneIndex >= 0 && laneIndex < static_cast<int>(m_lanes.size()));
if (hasTarget)
{
const std::vector<SignalRef>& targetSignals = m_lanes[static_cast<std::size_t>(laneIndex)].signals;
for (const SignalRef& candidate : targetSignals)
{
if (!(candidate == ref))
{
targetAnchor = candidate;
break;
}
}
}
// 手动指定归属意味着切换到自定义划分策略。
m_laneMode = LaneMode::CUSTOM;
for (Lane& lane : m_lanes)
{
std::vector<SignalRef>& refs = lane.signals;
refs.erase(std::remove(refs.begin(), refs.end(), ref), refs.end());
}
m_lanes.erase(std::remove_if(m_lanes.begin(), m_lanes.end(),
[](const Lane& lane) { return lane.signals.empty(); }),
m_lanes.end());
int destination = -1;
if (hasTarget && targetAnchor.IsValid())
{
for (std::size_t index = 0; index < m_lanes.size(); ++index)
{
const std::vector<SignalRef>& refs = m_lanes[index].signals;
if (std::find(refs.begin(), refs.end(), targetAnchor) != refs.end())
{
destination = static_cast<int>(index);
break;
}
}
}
if (destination >= 0)
{
m_lanes[static_cast<std::size_t>(destination)].signals.push_back(ref);
}
else
{
Lane lane;
lane.autoRange = true;
lane.signals.push_back(ref);
m_lanes.push_back(std::move(lane));
}
for (std::size_t index = 0; index < m_lanes.size(); ++index)
{
m_lanes[index].name = L"网格 " + std::to_wstring(index + 1);
}
return LaneOfSignal(ref);
}
int TabConfig::SplitLane(int laneIndex)
{
if (laneIndex < 0 || laneIndex >= static_cast<int>(m_lanes.size()))
{
return -1;
}
const std::vector<SignalRef> signals = m_lanes[static_cast<std::size_t>(laneIndex)].signals;
if (signals.size() <= 1)
{
// 只有一条信号时无需拆分(本就独占一个网格)。
return -1;
}
// 手动排布 → 切换到自定义划分策略。
m_laneMode = LaneMode::CUSTOM;
// 用原网格的“网格自身状态”(Y 轴自适应/边沿计数等)作为每一份的初始状态,
// 这样拆分出来的网格保持原网格的显示设置。
const Lane source = m_lanes[static_cast<std::size_t>(laneIndex)];
std::vector<Lane> pieces;
pieces.reserve(signals.size());
for (const SignalRef& ref : signals)
{
Lane lane;
lane.autoRange = source.autoRange;
lane.yMin = source.yMin;
lane.yMax = source.yMax;
lane.fitYToSelection = source.fitYToSelection;
lane.edgeCount = source.edgeCount;
lane.edgeValue = source.edgeValue;
lane.edgeValueValid = source.edgeValueValid;
lane.edgePanelOpen = source.edgePanelOpen;
lane.edgePanelX = source.edgePanelX;
lane.edgePanelY = source.edgePanelY;
lane.edgeCenter = source.edgeCenter;
lane.edgeCenterPanelOpen = source.edgeCenterPanelOpen;
lane.edgeCenterPanelX = source.edgeCenterPanelX;
lane.edgeCenterPanelY = source.edgeCenterPanelY;
lane.weakBoost = source.weakBoost;
lane.weakBoostLevel = source.weakBoostLevel;
lane.weakBoostIterations = source.weakBoostIterations;
lane.weakBoostPanelOpen = source.weakBoostPanelOpen;
lane.weakBoostPanelX = source.weakBoostPanelX;
lane.weakBoostPanelY = source.weakBoostPanelY;
lane.meanFilter = source.meanFilter;
lane.meanFilterPanelOpen = source.meanFilterPanelOpen;
lane.meanFilterPanelX = source.meanFilterPanelX;
lane.meanFilterPanelY = source.meanFilterPanelY;
// 拆分后每个子网格只保留自己那个信号的均值滤波 / 中心轴 / 弱波增强条目。
lane.meanFilterItems.clear();
lane.edgeCenterItems.clear();
lane.weakBoostItems.clear();
for (const Lane::MeanFilterItem& item : source.meanFilterItems)
{
if (item.ref == ref)
{
lane.meanFilterItems.push_back(item);
}
}
for (const Lane::EdgeCenterItem& item : source.edgeCenterItems)
{
if (item.ref == ref)
{
lane.edgeCenterItems.push_back(item);
}
}
for (const Lane::WeakBoostItem& item : source.weakBoostItems)
{
if (item.ref == ref)
{
lane.weakBoostItems.push_back(item);
}
}
lane.signals.push_back(ref);
pieces.push_back(std::move(lane));
}
// 用 pieces 替换原网格(插入到原位置,因此其后方的网格整体顺次后移)。
m_lanes.erase(m_lanes.begin() + laneIndex);
m_lanes.insert(m_lanes.begin() + laneIndex, pieces.begin(), pieces.end());
// 统一重命名,保证编号连续(GX 编号在各显示位置均由此位置推导)。
for (std::size_t index = 0; index < m_lanes.size(); ++index)
{
m_lanes[index].name = L"网格 " + std::to_wstring(index + 1);
}
return laneIndex;
}
void TabConfig::RemapAfterSignalInsert(int fileIndex, int insertPos)
{
if (fileIndex < 0 || insertPos < 0)
{
return;
}
// 可见性表:在插入点补一列(新信号默认不可见,由调用方按需勾选)。
const std::size_t slot = static_cast<std::size_t>(fileIndex);
if (slot < m_visible.size() && static_cast<std::size_t>(insertPos) <= m_visible[slot].size())
{
m_visible[slot].insert(m_visible[slot].begin() + insertPos, false);
}
// 网格内的信号引用:同一文件中位于插入点之后的引用下标整体后移。
for (Lane& lane : m_lanes)
{
for (SignalRef& ref : lane.signals)
{
if (ref.fileIndex == fileIndex && ref.signalIndex >= insertPos)
{
++ref.signalIndex;
}
}
// 均值滤波 / 中心轴条目同样持有信号引用,必须一起后移。
for (Lane::MeanFilterItem& item : lane.meanFilterItems)
{
if (item.ref.fileIndex == fileIndex && item.ref.signalIndex >= insertPos)
{
++item.ref.signalIndex;
}
}
for (Lane::EdgeCenterItem& item : lane.edgeCenterItems)
{
if (item.ref.fileIndex == fileIndex && item.ref.signalIndex >= insertPos)
{
++item.ref.signalIndex;
}
}
for (Lane::WeakBoostItem& item : lane.weakBoostItems)
{
if (item.ref.fileIndex == fileIndex && item.ref.signalIndex >= insertPos)
{
++item.ref.signalIndex;
}
}
}
}
bool TabConfig::MoveLaneOfSignalBelow(const SignalRef& moved, const SignalRef& anchor)
{
const int from = LaneOfSignal(moved);
if (from < 0 || LaneOfSignal(anchor) < 0)
{
return false;
}
Lane lane = std::move(m_lanes[static_cast<std::size_t>(from)]);
m_lanes.erase(m_lanes.begin() + from);
// erase 之后锚点网格的下标可能变化,必须用信号引用重新定位。
const int target = LaneOfSignal(anchor);
if (target < 0)
{
m_lanes.push_back(std::move(lane));
}
else
{
m_lanes.insert(m_lanes.begin() + target + 1, std::move(lane));
}
// 手动排布 → 切换到自定义划分策略,避免后续重建网格时顺序被还原。
m_laneMode = LaneMode::CUSTOM;
RenameLanes();
return true;
}
bool TabConfig::MoveLane(int from, int target)
{
const int count = static_cast<int>(m_lanes.size());
if (from < 0 || from >= count || target < 0 || target > count)
{
return false;
}
// `target` 语义 = 「插入到该下标之前」;向后拖时扣除自身占位后再比较,
// 保证"拖到自己原来的位置"不会产生无意义的移动。
int destination = target;
if (destination > from)
{
--destination;
}
destination = std::max(0, std::min(destination, count - 1));
if (destination == from)
{
return false;
}
Lane moved = std::move(m_lanes[static_cast<std::size_t>(from)]);
m_lanes.erase(m_lanes.begin() + from);
m_lanes.insert(m_lanes.begin() + destination, std::move(moved));
// 手动排布 → 切换到自定义划分策略,避免后续重建网格时顺序被还原。
m_laneMode = LaneMode::CUSTOM;
RenameLanes();
return true;
}
void TabConfig::RenameLanes()
{
for (std::size_t index = 0; index < m_lanes.size(); ++index)
{
m_lanes[index].name = L"网格 " + std::to_wstring(index + 1);
}
}
bool TabConfig::IsCollapsed(int fileIndex) const
{
if (fileIndex < 0 || static_cast<std::size_t>(fileIndex) >= m_collapsed.size())
{
return false;
}
return m_collapsed[static_cast<std::size_t>(fileIndex)];
}
void TabConfig::ToggleCollapsed(int fileIndex)
{
if (fileIndex < 0)
{
return;
}
if (static_cast<std::size_t>(fileIndex) >= m_collapsed.size())
{
m_collapsed.resize(static_cast<std::size_t>(fileIndex) + 1, false);
}
m_collapsed[static_cast<std::size_t>(fileIndex)] = !m_collapsed[static_cast<std::size_t>(fileIndex)];
}
void TabConfig::ComputeLaneRange(const DataSet& dataSet, int laneIndex, double& yMin, double& yMax) const
{
if (laneIndex < 0 || laneIndex >= static_cast<int>(m_lanes.size()))
{
yMin = 0.0;
yMax = 1.0;
return;
}
const Lane& lane = m_lanes[static_cast<std::size_t>(laneIndex)];
if (!lane.autoRange)
{
yMin = lane.yMin;
yMax = lane.yMax;
if (!(yMax > yMin))
{
yMin = 0.0;
yMax = 1.0;
}
return;
}
double low = std::numeric_limits<double>::infinity();
double high = -std::numeric_limits<double>::infinity();
for (const SignalRef& ref : lane.signals)
{
if (!IsVisible(ref))
{
continue;
}
const SignalData* signal = dataSet.Resolve(ref);
if (signal == nullptr || signal->finiteCount == 0)
{
continue;
}
low = std::min(low, signal->minValue);
high = std::max(high, signal->maxValue);
}
if (!std::isfinite(low) || !std::isfinite(high))
{
low = 0.0;
high = 1.0;
}
PadRange(low, high);
yMin = low;
yMax = high;
}
bool TabConfig::ComputeVisibleTimeBounds(const DataSet& dataSet, double& minTime, double& maxTime) const
{
double low = std::numeric_limits<double>::infinity();
double high = -std::numeric_limits<double>::infinity();
for (std::size_t fileIndex = 0; fileIndex < m_visible.size(); ++fileIndex)
{
const std::vector<bool>& fileVisible = m_visible[fileIndex];
if (std::find(fileVisible.begin(), fileVisible.end(), true) == fileVisible.end())
{
continue;
}
const DataFile* file = dataSet.FileAt(static_cast<int>(fileIndex));
if (file == nullptr)
{
continue;
}
if (std::isfinite(file->minTime))
{
low = std::min(low, file->minTime);
}
if (std::isfinite(file->maxTime))
{
high = std::max(high, file->maxTime);
}
}
if (!std::isfinite(low) || !std::isfinite(high) || !(high > low))
{
return false;
}
minTime = low;
maxTime = high;
return true;
}
} // namespace jdi