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Merge pull request #110 from epezent/time-axes

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Time axes
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Evan Pezent 2020-09-06 14:53:20 -05:00 committed by GitHub
parent 90693cca1b 901f0558b1
commit 42d267f7f4
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5 changed files with 952 additions and 255 deletions
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698
implot.cpp
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106
implot.h
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@ -53,31 +53,34 @@ typedef int ImPlotColormap; // -> enum ImPlotColormap_
// Options for plots. // Options for plots.
enum ImPlotFlags_ { enum ImPlotFlags_ {
ImPlotFlags_MousePos = 1 << 0, // the mouse position, in plot coordinates, will be displayed in the bottom-right ImPlotFlags_None = 0, // default
ImPlotFlags_Legend = 1 << 1, // a legend will be displayed in the top-left ImPlotFlags_NoLegend = 1 << 0, // the top-left legend will not be displayed
ImPlotFlags_Highlight = 1 << 2, // plot items will be highlighted when their legend entry is hovered ImPlotFlags_NoMenus = 1 << 1, // the user will not be able to open context menus with double-right click
ImPlotFlags_BoxSelect = 1 << 3, // the user will be able to box-select with right-mouse ImPlotFlags_NoBoxSelect = 1 << 2, // the user will not be able to box-select with right-mouse
ImPlotFlags_Query = 1 << 4, // the user will be able to draw query rects with middle-mouse ImPlotFlags_NoMousePos = 1 << 3, // the mouse position, in plot coordinates, will not be displayed in the bottom-right
ImPlotFlags_ContextMenu = 1 << 5, // the user will be able to open context menus with double-right click ImPlotFlags_NoHighlight = 1 << 4, // plot items will not be highlighted when their legend entry is hovered
ImPlotFlags_Crosshairs = 1 << 6, // the default mouse cursor will be replaced with a crosshair when hovered ImPlotFlags_NoChild = 1 << 5, // a child window region will not be used to capture mouse scroll (can boost performance for single ImGui window applications)
ImPlotFlags_AntiAliased = 1 << 7, // plot lines will be software anti-aliased (not recommended for density plots, prefer MSAA) ImPlotFlags_YAxis2 = 1 << 6, // enable a 2nd y-axis on the right side
ImPlotFlags_NoChild = 1 << 8, // a child window region will not be used to capture mouse scroll (can boost performance for single ImGui window applications) ImPlotFlags_YAxis3 = 1 << 7, // enable a 3rd y-axis on the right side
ImPlotFlags_YAxis2 = 1 << 9, // enable a 2nd y-axis ImPlotFlags_Query = 1 << 8, // the user will be able to draw query rects with middle-mouse
ImPlotFlags_YAxis3 = 1 << 10, // enable a 3rd y-axis ImPlotFlags_Crosshairs = 1 << 9, // the default mouse cursor will be replaced with a crosshair when hovered
ImPlotFlags_Default = ImPlotFlags_MousePos | ImPlotFlags_Legend | ImPlotFlags_Highlight | ImPlotFlags_BoxSelect | ImPlotFlags_ContextMenu ImPlotFlags_AntiAliased = 1 << 10, // plot lines will be software anti-aliased (not recommended for density plots, prefer MSAA)
ImPlotFlags_CanvasOnly = ImPlotFlags_NoLegend | ImPlotFlags_NoMenus | ImPlotFlags_NoBoxSelect | ImPlotFlags_NoMousePos
}; };
// Options for plot axes (X and Y). // Options for plot axes (X and Y).
enum ImPlotAxisFlags_ { enum ImPlotAxisFlags_ {
ImPlotAxisFlags_GridLines = 1 << 0, // grid lines will be displayed ImPlotAxisFlags_None = 0, // default
ImPlotAxisFlags_TickMarks = 1 << 1, // tick marks will be displayed for each grid line ImPlotAxisFlags_NoGridLines = 1 << 0, // no grid lines will be displayed
ImPlotAxisFlags_TickLabels = 1 << 2, // text labels will be displayed for each grid line ImPlotAxisFlags_NoTickMarks = 1 << 1, // no tick marks will be displayed
ImPlotAxisFlags_Invert = 1 << 3, // the axis will be inverted ImPlotAxisFlags_NoTickLabels = 1 << 2, // no text labels will be displayed
ImPlotAxisFlags_LockMin = 1 << 4, // the axis minimum value will be locked when panning/zooming ImPlotAxisFlags_LogScale = 1 << 3, // a logartithmic (base 10) axis scale will be used (mutually exclusive with ImPlotAxisFlags_Time)
ImPlotAxisFlags_LockMax = 1 << 5, // the axis maximum value will be locked when panning/zooming ImPlotAxisFlags_Time = 1 << 4, // axis will display date/time formatted labels (mutually exclusive with ImPlotAxisFlags_LogScale)
ImPlotAxisFlags_LogScale = 1 << 6, // a logartithmic (base 10) axis scale will be used ImPlotAxisFlags_Invert = 1 << 5, // the axis will be inverted
ImPlotAxisFlags_Default = ImPlotAxisFlags_GridLines | ImPlotAxisFlags_TickMarks | ImPlotAxisFlags_TickLabels, ImPlotAxisFlags_LockMin = 1 << 6, // the axis minimum value will be locked when panning/zooming
ImPlotAxisFlags_Auxiliary = ImPlotAxisFlags_TickMarks | ImPlotAxisFlags_TickLabels, ImPlotAxisFlags_LockMax = 1 << 7, // the axis maximum value will be locked when panning/zooming
ImPlotAxisFlags_Lock = ImPlotAxisFlags_LockMin | ImPlotAxisFlags_LockMax,
ImPlotAxisFlags_NoDecorations = ImPlotAxisFlags_NoGridLines | ImPlotAxisFlags_NoTickMarks | ImPlotAxisFlags_NoTickLabels
}; };
// Plot styling colors. // Plot styling colors.
@ -204,31 +207,34 @@ struct ImPlotLimits {
// Plot style structure // Plot style structure
struct ImPlotStyle { struct ImPlotStyle {
// item styling variables // item styling variables
float LineWeight; // = 1, item line weight in pixels float LineWeight; // = 1, item line weight in pixels
ImPlotMarker Marker; // = ImPlotMarker_None, marker specification int Marker; // = ImPlotMarker_None, marker specification
float MarkerSize; // = 4, marker size in pixels (roughly the marker's "radius") float MarkerSize; // = 4, marker size in pixels (roughly the marker's "radius")
float MarkerWeight; // = 1, outline weight of markers in pixels float MarkerWeight; // = 1, outline weight of markers in pixels
float FillAlpha; // = 1, alpha modifier applied to plot fills float FillAlpha; // = 1, alpha modifier applied to plot fills
float ErrorBarSize; // = 5, error bar whisker width in pixels float ErrorBarSize; // = 5, error bar whisker width in pixels
float ErrorBarWeight; // = 1.5, error bar whisker weight in pixels float ErrorBarWeight; // = 1.5, error bar whisker weight in pixels
float DigitalBitHeight; // = 8, digital channels bit height (at y = 1.0f) in pixels float DigitalBitHeight; // = 8, digital channels bit height (at y = 1.0f) in pixels
float DigitalBitGap; // = 4, digital channels bit padding gap in pixels float DigitalBitGap; // = 4, digital channels bit padding gap in pixels
// plot styling variables // plot styling variables
bool AntiAliasedLines; // = false, enable global anti-aliasing on plot lines (overrides ImPlotFlags_AntiAliased) float PlotBorderSize; // = 1, line thickness of border around plot area
float PlotBorderSize; // = 1, line thickness of border around plot area float MinorAlpha; // = 0.25 alpha multiplier applied to minor axis grid lines
float MinorAlpha; // = 0.25 alpha multiplier applied to minor axis grid lines ImVec2 MajorTickLen; // = 10,10 major tick lengths for X and Y axes
ImVec2 MajorTickLen; // = 10,10 major tick lengths for X and Y axes ImVec2 MinorTickLen; // = 5,5 minor tick lengths for X and Y axes
ImVec2 MinorTickLen; // = 5,5 minor tick lengths for X and Y axes ImVec2 MajorTickSize; // = 1,1 line thickness of major ticks
ImVec2 MajorTickSize; // = 1,1 line thickness of major ticks ImVec2 MinorTickSize; // = 1,1 line thickness of minor ticks
ImVec2 MinorTickSize; // = 1,1 line thickness of minor ticks ImVec2 MajorGridSize; // = 1,1 line thickness of major grid lines
ImVec2 MajorGridSize; // = 1,1 line thickness of major grid lines ImVec2 MinorGridSize; // = 1,1 line thickness of minor grid lines
ImVec2 MinorGridSize; // = 1,1 line thickness of minor grid lines ImVec2 PlotPadding; // = 8,8 padding between widget frame and plot area and/or labels
ImVec2 PlotPadding; // = 8,8 padding between widget frame and plot area and/or labels ImVec2 LabelPadding; // = 5,5 padding between axes labels, tick labels, and plot edge
ImVec2 LabelPadding; // = 5,5 padding between axes labels, tick labels, and plot edge ImVec2 LegendPadding; // = 10,10 legend padding from top-left of plot
ImVec2 LegendPadding; // = 10,10 legend padding from top-left of plot ImVec2 InfoPadding; // = 10,10 padding between plot edge and interior info text
ImVec2 InfoPadding; // = 10,10 padding between plot edge and interior info text ImVec2 PlotMinSize; // = 300,225 minimum size plot frame can be when shrunk
ImVec2 PlotMinSize; // = 300,225 minimum size plot frame can be when shrunk // colors
ImVec4 Colors[ImPlotCol_COUNT]; // array of plot specific colors ImVec4 Colors[ImPlotCol_COUNT]; // array of plot specific colors
// settings/flags
bool AntiAliasedLines; // = false, enable global anti-aliasing on plot lines (overrides ImPlotFlags_AntiAliased)
bool UseLocalTime; // = false, axis labels will be formatted for your timezone when ImPlotAxisFlag_Time is enabled
ImPlotStyle(); ImPlotStyle();
}; };
@ -281,11 +287,11 @@ bool BeginPlot(const char* title_id,
const char* x_label = NULL, const char* x_label = NULL,
const char* y_label = NULL, const char* y_label = NULL,
const ImVec2& size = ImVec2(-1,0), const ImVec2& size = ImVec2(-1,0),
ImPlotFlags flags = ImPlotFlags_Default, ImPlotFlags flags = ImPlotFlags_None,
ImPlotAxisFlags x_flags = ImPlotAxisFlags_Default, ImPlotAxisFlags x_flags = ImPlotAxisFlags_None,
ImPlotAxisFlags y_flags = ImPlotAxisFlags_Default, ImPlotAxisFlags y_flags = ImPlotAxisFlags_None,
ImPlotAxisFlags y2_flags = ImPlotAxisFlags_Auxiliary, ImPlotAxisFlags y2_flags = ImPlotAxisFlags_NoGridLines,
ImPlotAxisFlags y3_flags = ImPlotAxisFlags_Auxiliary); ImPlotAxisFlags y3_flags = ImPlotAxisFlags_NoGridLines);
// Only call EndPlot() if BeginPlot() returns true! Typically called at the end // Only call EndPlot() if BeginPlot() returns true! Typically called at the end
// of an if statement conditioned on BeginPlot(). // of an if statement conditioned on BeginPlot().

172
implot_demo.cpp
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@ -26,6 +26,7 @@
#include <math.h> #include <math.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <time.h>
#ifdef _MSC_VER #ifdef _MSC_VER
#define sprintf sprintf_s #define sprintf sprintf_s
@ -124,6 +125,25 @@ struct RollingBuffer {
} }
}; };
// Huge data used by Time Formatting example (~500 MB allocation!)
struct HugeTimeData {
HugeTimeData(double min) {
Ts = new double[Size];
Ys = new double[Size];
for (int i = 0; i < Size; ++i) {
Ts[i] = min + i;
Ys[i] = GetY(Ts[i]);
}
}
~HugeTimeData() { delete[] Ts; delete[] Ys; }
static double GetY(double t) {
return 0.5 + 0.25 * sin(t/86400/12) + 0.005 * sin(t/3600);
}
double* Ts;
double* Ys;
static const int Size = 60*60*24*366;
};
void ShowDemoWindow(bool* p_open) { void ShowDemoWindow(bool* p_open) {
t_float DEMO_TIME = (t_float)ImGui::GetTime(); t_float DEMO_TIME = (t_float)ImGui::GetTime();
static bool show_imgui_metrics = false; static bool show_imgui_metrics = false;
@ -152,7 +172,7 @@ void ShowDemoWindow(bool* p_open) {
return; return;
} }
ImGui::SetNextWindowPos(ImVec2(50, 50), ImGuiCond_FirstUseEver); ImGui::SetNextWindowPos(ImVec2(50, 50), ImGuiCond_FirstUseEver);
ImGui::SetNextWindowSize(ImVec2(530, 750), ImGuiCond_FirstUseEver); ImGui::SetNextWindowSize(ImVec2(600, 750), ImGuiCond_FirstUseEver);
ImGui::Begin("ImPlot Demo", p_open, ImGuiWindowFlags_MenuBar); ImGui::Begin("ImPlot Demo", p_open, ImGuiWindowFlags_MenuBar);
if (ImGui::BeginMenuBar()) { if (ImGui::BeginMenuBar()) {
if (ImGui::BeginMenu("Tools")) { if (ImGui::BeginMenu("Tools")) {
@ -346,8 +366,7 @@ void ShowDemoWindow(bool* p_open) {
ImPlot::SetNextPlotTicksX(positions, 10, labels); ImPlot::SetNextPlotTicksX(positions, 10, labels);
} }
if (ImPlot::BeginPlot("Bar Plot", horz ? "Score" : "Student", horz ? "Student" : "Score", if (ImPlot::BeginPlot("Bar Plot", horz ? "Score" : "Student", horz ? "Student" : "Score",
ImVec2(-1,0), ImPlotFlags_Default, ImPlotAxisFlags_Default, ImVec2(-1,0), 0, 0, horz ? ImPlotAxisFlags_Invert : 0))
horz ? ImPlotAxisFlags_Default | ImPlotAxisFlags_Invert : ImPlotAxisFlags_Default))
{ {
if (horz) { if (horz) {
ImPlot::PlotBarsH("Midterm Exam", midtm, 10, 0.2f, -0.2f); ImPlot::PlotBarsH("Midterm Exam", midtm, 10, 0.2f, -0.2f);
@ -426,7 +445,7 @@ void ShowDemoWindow(bool* p_open) {
} }
ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always); ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always);
if (ImPlot::BeginPlot("##Pie1", NULL, NULL, ImVec2(250,250), ImPlotFlags_Legend, 0, 0)) { if (ImPlot::BeginPlot("##Pie1", NULL, NULL, ImVec2(250,250), ImPlotFlags_NoMousePos, ImPlotAxisFlags_NoDecorations, ImPlotAxisFlags_NoDecorations)) {
ImPlot::PlotPieChart(labels1, data1, 4, 0.5f, 0.5f, 0.4f, normalize, "%.2f"); ImPlot::PlotPieChart(labels1, data1, 4, 0.5f, 0.5f, 0.4f, normalize, "%.2f");
ImPlot::EndPlot(); ImPlot::EndPlot();
} }
@ -438,7 +457,7 @@ void ShowDemoWindow(bool* p_open) {
ImPlot::PushColormap(ImPlotColormap_Pastel); ImPlot::PushColormap(ImPlotColormap_Pastel);
ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always); ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always);
if (ImPlot::BeginPlot("##Pie2", NULL, NULL, ImVec2(250,250), ImPlotFlags_Legend, 0, 0)) { if (ImPlot::BeginPlot("##Pie2", NULL, NULL, ImVec2(250,250), ImPlotFlags_NoMousePos, ImPlotAxisFlags_NoDecorations, ImPlotAxisFlags_NoDecorations)) {
ImPlot::PlotPieChart(labels2, data2, 5, 0.5f, 0.5f, 0.4f, true, "%.0f", 180); ImPlot::PlotPieChart(labels2, data2, 5, 0.5f, 0.5f, 0.4f, true, "%.0f", 180);
ImPlot::EndPlot(); ImPlot::EndPlot();
} }
@ -470,12 +489,12 @@ void ShowDemoWindow(bool* p_open) {
ImGui::LabelText("##Colormap Index", "%s", ImPlot::GetColormapName(map)); ImGui::LabelText("##Colormap Index", "%s", ImPlot::GetColormapName(map));
ImGui::SetNextItemWidth(225); ImGui::SetNextItemWidth(225);
ImGui::DragFloatRange2("Min / Max",&scale_min, &scale_max, 0.01f, -20, 20); ImGui::DragFloatRange2("Min / Max",&scale_min, &scale_max, 0.01f, -20, 20);
static ImPlotAxisFlags axes_flags = ImPlotAxisFlags_LockMin | ImPlotAxisFlags_LockMax | ImPlotAxisFlags_TickLabels; static ImPlotAxisFlags axes_flags = ImPlotAxisFlags_Lock | ImPlotAxisFlags_NoGridLines | ImPlotAxisFlags_NoTickMarks;
ImPlot::PushColormap(map); ImPlot::PushColormap(map);
SetNextPlotTicksX(0 + 1.0/14.0, 1 - 1.0/14.0, 7, xlabels); SetNextPlotTicksX(0 + 1.0/14.0, 1 - 1.0/14.0, 7, xlabels);
SetNextPlotTicksY(1 - 1.0/14.0, 0 + 1.0/14.0, 7, ylabels); SetNextPlotTicksY(1 - 1.0/14.0, 0 + 1.0/14.0, 7, ylabels);
if (ImPlot::BeginPlot("##Heatmap1",NULL,NULL,ImVec2(225,225),0,axes_flags,axes_flags)) { if (ImPlot::BeginPlot("##Heatmap1",NULL,NULL,ImVec2(225,225),ImPlotFlags_NoLegend|ImPlotFlags_NoMousePos,axes_flags,axes_flags)) {
ImPlot::PlotHeatmap("heat",values1[0],7,7,scale_min,scale_max); ImPlot::PlotHeatmap("heat",values1[0],7,7,scale_min,scale_max);
ImPlot::EndPlot(); ImPlot::EndPlot();
} }
@ -488,7 +507,7 @@ void ShowDemoWindow(bool* p_open) {
static ImVec4 gray[2] = {ImVec4(0,0,0,1), ImVec4(1,1,1,1)}; static ImVec4 gray[2] = {ImVec4(0,0,0,1), ImVec4(1,1,1,1)};
ImPlot::PushColormap(gray, 2); ImPlot::PushColormap(gray, 2);
ImPlot::SetNextPlotLimits(-1,1,-1,1); ImPlot::SetNextPlotLimits(-1,1,-1,1);
if (ImPlot::BeginPlot("##Heatmap2",NULL,NULL,ImVec2(225,225),ImPlotFlags_ContextMenu,0,0)) { if (ImPlot::BeginPlot("##Heatmap2",NULL,NULL,ImVec2(225,225),0,ImPlotAxisFlags_NoDecorations,ImPlotAxisFlags_NoDecorations)) {
ImPlot::PlotHeatmap("heat1",values2,100,100,0,1,NULL); ImPlot::PlotHeatmap("heat1",values2,100,100,0,1,NULL);
ImPlot::PlotHeatmap("heat2",values2,100,100,0,1,NULL, ImPlotPoint(-1,-1), ImPlotPoint(0,0)); ImPlot::PlotHeatmap("heat2",values2,100,100,0,1,NULL, ImPlotPoint(-1,-1), ImPlotPoint(0,0));
ImPlot::EndPlot(); ImPlot::EndPlot();
@ -514,15 +533,15 @@ void ShowDemoWindow(bool* p_open) {
rdata1.Span = history; rdata1.Span = history;
rdata2.Span = history; rdata2.Span = history;
static ImPlotAxisFlags rt_axis = ImPlotAxisFlags_Default & ~ImPlotAxisFlags_TickLabels; static ImPlotAxisFlags rt_axis = ImPlotAxisFlags_NoTickLabels;
ImPlot::SetNextPlotLimitsX(t - history, t, ImGuiCond_Always); ImPlot::SetNextPlotLimitsX(t - history, t, ImGuiCond_Always);
if (ImPlot::BeginPlot("##Scrolling", NULL, NULL, ImVec2(-1,150), ImPlotFlags_Default, rt_axis, rt_axis | ImPlotAxisFlags_LockMin)) { if (ImPlot::BeginPlot("##Scrolling", NULL, NULL, ImVec2(-1,150), 0, rt_axis, rt_axis | ImPlotAxisFlags_LockMin)) {
ImPlot::PlotShaded("Data 1", &sdata1.Data[0].x, &sdata1.Data[0].y, sdata1.Data.size(), 0, sdata1.Offset, 2 * sizeof(t_float)); ImPlot::PlotShaded("Data 1", &sdata1.Data[0].x, &sdata1.Data[0].y, sdata1.Data.size(), 0, sdata1.Offset, 2 * sizeof(t_float));
ImPlot::PlotLine("Data 2", &sdata2.Data[0], sdata2.Data.size(), sdata2.Offset); ImPlot::PlotLine("Data 2", &sdata2.Data[0], sdata2.Data.size(), sdata2.Offset);
ImPlot::EndPlot(); ImPlot::EndPlot();
} }
ImPlot::SetNextPlotLimitsX(0, history, ImGuiCond_Always); ImPlot::SetNextPlotLimitsX(0, history, ImGuiCond_Always);
if (ImPlot::BeginPlot("##Rolling", NULL, NULL, ImVec2(-1,150), ImPlotFlags_Default, rt_axis, rt_axis)) { if (ImPlot::BeginPlot("##Rolling", NULL, NULL, ImVec2(-1,150), 0, rt_axis, rt_axis)) {
// two methods of plotting Data // two methods of plotting Data
// as ImVec2* (or ImPlot*): // as ImVec2* (or ImPlot*):
ImPlot::PlotLine("Data 1", &rdata1.Data[0], rdata1.Data.size()); ImPlot::PlotLine("Data 1", &rdata1.Data[0], rdata1.Data.size());
@ -583,7 +602,7 @@ void ShowDemoWindow(bool* p_open) {
ImGui::BulletText("Open the plot context menu (double right click) to change scales."); ImGui::BulletText("Open the plot context menu (double right click) to change scales.");
ImPlot::SetNextPlotLimits(0.1, 100, 0, 10); ImPlot::SetNextPlotLimits(0.1, 100, 0, 10);
if (ImPlot::BeginPlot("Log Plot", NULL, NULL, ImVec2(-1,0), ImPlotFlags_Default, ImPlotAxisFlags_Default | ImPlotAxisFlags_LogScale )) { if (ImPlot::BeginPlot("Log Plot", NULL, NULL, ImVec2(-1,0), 0, ImPlotAxisFlags_LogScale )) {
ImPlot::PlotLine("f(x) = x", xs, xs, 1001); ImPlot::PlotLine("f(x) = x", xs, xs, 1001);
ImPlot::PlotLine("f(x) = sin(x)+1", xs, ys1, 1001); ImPlot::PlotLine("f(x) = sin(x)+1", xs, ys1, 1001);
ImPlot::PlotLine("f(x) = log(x)", xs, ys2, 1001); ImPlot::PlotLine("f(x) = log(x)", xs, ys2, 1001);
@ -591,10 +610,48 @@ void ShowDemoWindow(bool* p_open) {
ImPlot::EndPlot(); ImPlot::EndPlot();
} }
} }
if (ImGui::CollapsingHeader("Time Formatted Axes")) {
static double t_min = 1577836800; // 01/01/2020 @ 12:00:00am (UTC)
static double t_max = 1609459200; // 01/01/2021 @ 12:00:00am (UTC)
ImGui::BulletText("When ImPlotAxisFlags_Time is enabled on the X-Axis, values are interpreted as\n"
"UNIX timestamps in seconds and axis labels are formated as date/time.");
ImGui::BulletText("By default, labels are in UTC time but can be set to use local time instead.");
ImGui::Checkbox("Use Local Time",&ImPlot::GetStyle().UseLocalTime);
static HugeTimeData* data = NULL;
if (data == NULL) {
ImGui::SameLine();
if (ImGui::Button("Generate Huge Data (~500MB!)")) {
static HugeTimeData sdata(t_min);
data = &sdata;
}
}
ImPlot::SetNextPlotLimits(t_min,t_max,0,1);
if (ImPlot::BeginPlot("##Time", "Time", "Value", ImVec2(-1,0), 0, ImPlotAxisFlags_Time)) {
if (data != NULL) {
// downsample our data
int downsample = (int)ImPlot::GetPlotLimits().X.Size() / 1000 + 1;
int start = (int)(ImPlot::GetPlotLimits().X.Min - t_min);
start = start < 0 ? 0 : start > HugeTimeData::Size - 1 ? HugeTimeData::Size - 1 : start;
int end = (int)(ImPlot::GetPlotLimits().X.Max - t_min) + 1000;
end = end < 0 ? 0 : end > HugeTimeData::Size - 1 ? HugeTimeData::Size - 1 : end;
int size = (end - start)/downsample;
// plot it
ImPlot::PlotLine("Time Series", &data->Ts[start], &data->Ys[start], size, 0, sizeof(double)*downsample);
}
// plot time now
double t_now = (double)time(0);
double y_now = HugeTimeData::GetY(t_now);
ImPlot::PlotScatter("Now",&t_now,&y_now,1);
ImPlot::EndPlot();
}
}
//------------------------------------------------------------------------- //-------------------------------------------------------------------------
if (ImGui::CollapsingHeader("Multiple Y-Axes")) { if (ImGui::CollapsingHeader("Multiple Y-Axes")) {
static t_float xs[1001], xs2[1001], ys1[1001], ys2[1001], ys3[1001]; static t_float xs[1001], xs2[1001], ys1[1001], ys2[1001], ys3[1001];
for (int i = 0; i < 1001; ++i) { for (int i = 0; i < 1001; ++i) {
xs[i] = (i*0.1f); xs[i] = (i*0.1f);
@ -620,7 +677,6 @@ void ShowDemoWindow(bool* p_open) {
ImPlot::SetNextPlotLimitsY(0, 1, ImGuiCond_Once, 1); ImPlot::SetNextPlotLimitsY(0, 1, ImGuiCond_Once, 1);
ImPlot::SetNextPlotLimitsY(0, 300, ImGuiCond_Once, 2); ImPlot::SetNextPlotLimitsY(0, 300, ImGuiCond_Once, 2);
if (ImPlot::BeginPlot("Multi-Axis Plot", NULL, NULL, ImVec2(-1,0), if (ImPlot::BeginPlot("Multi-Axis Plot", NULL, NULL, ImVec2(-1,0),
ImPlotFlags_Default |
(y2_axis ? ImPlotFlags_YAxis2 : 0) | (y2_axis ? ImPlotFlags_YAxis2 : 0) |
(y3_axis ? ImPlotFlags_YAxis3 : 0))) { (y3_axis ? ImPlotFlags_YAxis3 : 0))) {
ImPlot::PlotLine("f(x) = x", xs, xs, 1001); ImPlot::PlotLine("f(x) = x", xs, xs, 1001);
@ -649,7 +705,7 @@ void ShowDemoWindow(bool* p_open) {
ImGui::BulletText("The query rect can be dragged after it's created."); ImGui::BulletText("The query rect can be dragged after it's created.");
ImGui::Unindent(); ImGui::Unindent();
if (ImPlot::BeginPlot("##Drawing", NULL, NULL, ImVec2(-1,0), ImPlotFlags_Default | ImPlotFlags_Query, ImPlotAxisFlags_GridLines, ImPlotAxisFlags_GridLines)) { if (ImPlot::BeginPlot("##Drawing", NULL, NULL, ImVec2(-1,0), ImPlotFlags_Query)) {
if (ImPlot::IsPlotHovered() && ImGui::IsMouseClicked(0) && ImGui::GetIO().KeyCtrl) { if (ImPlot::IsPlotHovered() && ImGui::IsMouseClicked(0) && ImGui::GetIO().KeyCtrl) {
ImPlotPoint pt = ImPlot::GetPlotMousePos(); ImPlotPoint pt = ImPlot::GetPlotMousePos();
data.push_back(t_float2((t_float)pt.x, (t_float)pt.y)); data.push_back(t_float2((t_float)pt.x, (t_float)pt.y));
@ -700,9 +756,9 @@ void ShowDemoWindow(bool* p_open) {
} }
ImGui::BulletText("Query the first plot to render a subview in the second plot (see above for controls)."); ImGui::BulletText("Query the first plot to render a subview in the second plot (see above for controls).");
ImPlot::SetNextPlotLimits(0,0.01,-1,1); ImPlot::SetNextPlotLimits(0,0.01,-1,1);
ImPlotAxisFlags flags = ImPlotAxisFlags_Default & ~ImPlotAxisFlags_TickLabels; ImPlotAxisFlags flags = ImPlotAxisFlags_NoTickLabels;
ImPlotLimits query; ImPlotLimits query;
if (ImPlot::BeginPlot("##View1",NULL,NULL,ImVec2(-1,150), ImPlotFlags_Default | ImPlotFlags_Query, flags, flags)) { if (ImPlot::BeginPlot("##View1",NULL,NULL,ImVec2(-1,150), ImPlotFlags_Query, flags, flags)) {
ImPlot::PlotLine("Signal 1", x_data, y_data1, 512); ImPlot::PlotLine("Signal 1", x_data, y_data1, 512);
ImPlot::PlotLine("Signal 2", x_data, y_data2, 512); ImPlot::PlotLine("Signal 2", x_data, y_data2, 512);
ImPlot::PlotLine("Signal 3", x_data, y_data3, 512); ImPlot::PlotLine("Signal 3", x_data, y_data3, 512);
@ -767,7 +823,7 @@ void ShowDemoWindow(bool* p_open) {
} }
} }
ImPlot::SetNextPlotLimitsX((double)t - 10, t, paused ? ImGuiCond_Once : ImGuiCond_Always); ImPlot::SetNextPlotLimitsX((double)t - 10, t, paused ? ImGuiCond_Once : ImGuiCond_Always);
if (ImPlot::BeginPlot("##DND", NULL, NULL, ImVec2(-1,0), ImPlotFlags_Legend | ImPlotFlags_Highlight | ImPlotFlags_BoxSelect | ImPlotFlags_ContextMenu | ImPlotFlags_YAxis2 | ImPlotFlags_YAxis3)) { if (ImPlot::BeginPlot("##DND", NULL, NULL, ImVec2(-1,0), ImPlotFlags_YAxis2 | ImPlotFlags_YAxis3)) {
for (int i = 0; i < K_CHANNELS; ++i) { for (int i = 0; i < K_CHANNELS; ++i) {
if (show[i] && data[i].Data.size() > 0) { if (show[i] && data[i].Data.size() > 0) {
char label[K_CHANNELS]; char label[K_CHANNELS];
@ -1024,7 +1080,7 @@ void ShowDemoWindow(bool* p_open) {
ImPlot::SetNextPlotTicksY(0, 1, 6, custom_labels ? ylabels_aux : NULL, false, 2); ImPlot::SetNextPlotTicksY(0, 1, 6, custom_labels ? ylabels_aux : NULL, false, 2);
} }
ImPlot::SetNextPlotLimits(2.5,5,0,10); ImPlot::SetNextPlotLimits(2.5,5,0,10);
if (ImPlot::BeginPlot("Custom Ticks", NULL, NULL, ImVec2(-1,0), ImPlotFlags_Default | ImPlotFlags_YAxis2 | ImPlotFlags_YAxis3)) { if (ImPlot::BeginPlot("Custom Ticks", NULL, NULL, ImVec2(-1,0), ImPlotFlags_YAxis2 | ImPlotFlags_YAxis3)) {
// nothing to see here, just the ticks // nothing to see here, just the ticks
ImPlot::EndPlot(); ImPlot::EndPlot();
} }
@ -1116,7 +1172,7 @@ void ShowDemoWindow(bool* p_open) {
//------------------------------------------------------------------------- //-------------------------------------------------------------------------
if (ImGui::CollapsingHeader("Custom Plotters and Tooltips")) { if (ImGui::CollapsingHeader("Custom Plotters and Tooltips")) {
ImGui::BulletText("You can create custom plotters or extend ImPlot using implot_internal.h."); ImGui::BulletText("You can create custom plotters or extend ImPlot using implot_internal.h.");
double dates[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217}; double dates[] = {1546300800,1546387200,1546473600,1546560000,1546819200,1546905600,1546992000,1547078400,1547164800,1547424000,1547510400,1547596800,1547683200,1547769600,1547942400,1548028800,1548115200,1548201600,1548288000,1548374400,1548633600,1548720000,1548806400,1548892800,1548979200,1549238400,1549324800,1549411200,1549497600,1549584000,1549843200,1549929600,1550016000,1550102400,1550188800,1550361600,1550448000,1550534400,1550620800,1550707200,1550793600,1551052800,1551139200,1551225600,1551312000,1551398400,1551657600,1551744000,1551830400,1551916800,1552003200,1552262400,1552348800,1552435200,1552521600,1552608000,1552867200,1552953600,1553040000,1553126400,1553212800,1553472000,1553558400,1553644800,1553731200,1553817600,1554076800,1554163200,1554249600,1554336000,1554422400,1554681600,1554768000,1554854400,1554940800,1555027200,1555286400,1555372800,1555459200,1555545600,1555632000,1555891200,1555977600,1556064000,1556150400,1556236800,1556496000,1556582400,1556668800,1556755200,1556841600,1557100800,1557187200,1557273600,1557360000,1557446400,1557705600,1557792000,1557878400,1557964800,1558051200,1558310400,1558396800,1558483200,1558569600,1558656000,1558828800,1558915200,1559001600,1559088000,1559174400,1559260800,1559520000,1559606400,1559692800,1559779200,1559865600,1560124800,1560211200,1560297600,1560384000,1560470400,1560729600,1560816000,1560902400,1560988800,1561075200,1561334400,1561420800,1561507200,1561593600,1561680000,1561939200,1562025600,1562112000,1562198400,1562284800,1562544000,1562630400,1562716800,1562803200,1562889600,1563148800,1563235200,1563321600,1563408000,1563494400,1563753600,1563840000,1563926400,1564012800,1564099200,1564358400,1564444800,1564531200,1564617600,1564704000,1564963200,1565049600,1565136000,1565222400,1565308800,1565568000,1565654400,1565740800,1565827200,1565913600,1566172800,1566259200,1566345600,1566432000,1566518400,1566777600,1566864000,1566950400,1567036800,1567123200,1567296000,1567382400,1567468800,1567555200,1567641600,1567728000,1567987200,1568073600,1568160000,1568246400,1568332800,1568592000,1568678400,1568764800,1568851200,1568937600,1569196800,1569283200,1569369600,1569456000,1569542400,1569801600,1569888000,1569974400,1570060800,1570147200,1570406400,1570492800,1570579200,1570665600,1570752000,1571011200,1571097600,1571184000,1571270400,1571356800,1571616000,1571702400,1571788800,1571875200,1571961600};
double opens[] = {1284.7,1319.9,1318.7,1328,1317.6,1321.6,1314.3,1325,1319.3,1323.1,1324.7,1321.3,1323.5,1322,1281.3,1281.95,1311.1,1315,1314,1313.1,1331.9,1334.2,1341.3,1350.6,1349.8,1346.4,1343.4,1344.9,1335.6,1337.9,1342.5,1337,1338.6,1337,1340.4,1324.65,1324.35,1349.5,1371.3,1367.9,1351.3,1357.8,1356.1,1356,1347.6,1339.1,1320.6,1311.8,1314,1312.4,1312.3,1323.5,1319.1,1327.2,1332.1,1320.3,1323.1,1328,1330.9,1338,1333,1335.3,1345.2,1341.1,1332.5,1314,1314.4,1310.7,1314,1313.1,1315,1313.7,1320,1326.5,1329.2,1314.2,1312.3,1309.5,1297.4,1293.7,1277.9,1295.8,1295.2,1290.3,1294.2,1298,1306.4,1299.8,1302.3,1297,1289.6,1302,1300.7,1303.5,1300.5,1303.2,1306,1318.7,1315,1314.5,1304.1,1294.7,1293.7,1291.2,1290.2,1300.4,1284.2,1284.25,1301.8,1295.9,1296.2,1304.4,1323.1,1340.9,1341,1348,1351.4,1351.4,1343.5,1342.3,1349,1357.6,1357.1,1354.7,1361.4,1375.2,1403.5,1414.7,1433.2,1438,1423.6,1424.4,1418,1399.5,1435.5,1421.25,1434.1,1412.4,1409.8,1412.2,1433.4,1418.4,1429,1428.8,1420.6,1441,1460.4,1441.7,1438.4,1431,1439.3,1427.4,1431.9,1439.5,1443.7,1425.6,1457.5,1451.2,1481.1,1486.7,1512.1,1515.9,1509.2,1522.3,1513,1526.6,1533.9,1523,1506.3,1518.4,1512.4,1508.8,1545.4,1537.3,1551.8,1549.4,1536.9,1535.25,1537.95,1535.2,1556,1561.4,1525.6,1516.4,1507,1493.9,1504.9,1506.5,1513.1,1506.5,1509.7,1502,1506.8,1521.5,1529.8,1539.8,1510.9,1511.8,1501.7,1478,1485.4,1505.6,1511.6,1518.6,1498.7,1510.9,1510.8,1498.3,1492,1497.7,1484.8,1494.2,1495.6,1495.6,1487.5,1491.1,1495.1,1506.4}; double opens[] = {1284.7,1319.9,1318.7,1328,1317.6,1321.6,1314.3,1325,1319.3,1323.1,1324.7,1321.3,1323.5,1322,1281.3,1281.95,1311.1,1315,1314,1313.1,1331.9,1334.2,1341.3,1350.6,1349.8,1346.4,1343.4,1344.9,1335.6,1337.9,1342.5,1337,1338.6,1337,1340.4,1324.65,1324.35,1349.5,1371.3,1367.9,1351.3,1357.8,1356.1,1356,1347.6,1339.1,1320.6,1311.8,1314,1312.4,1312.3,1323.5,1319.1,1327.2,1332.1,1320.3,1323.1,1328,1330.9,1338,1333,1335.3,1345.2,1341.1,1332.5,1314,1314.4,1310.7,1314,1313.1,1315,1313.7,1320,1326.5,1329.2,1314.2,1312.3,1309.5,1297.4,1293.7,1277.9,1295.8,1295.2,1290.3,1294.2,1298,1306.4,1299.8,1302.3,1297,1289.6,1302,1300.7,1303.5,1300.5,1303.2,1306,1318.7,1315,1314.5,1304.1,1294.7,1293.7,1291.2,1290.2,1300.4,1284.2,1284.25,1301.8,1295.9,1296.2,1304.4,1323.1,1340.9,1341,1348,1351.4,1351.4,1343.5,1342.3,1349,1357.6,1357.1,1354.7,1361.4,1375.2,1403.5,1414.7,1433.2,1438,1423.6,1424.4,1418,1399.5,1435.5,1421.25,1434.1,1412.4,1409.8,1412.2,1433.4,1418.4,1429,1428.8,1420.6,1441,1460.4,1441.7,1438.4,1431,1439.3,1427.4,1431.9,1439.5,1443.7,1425.6,1457.5,1451.2,1481.1,1486.7,1512.1,1515.9,1509.2,1522.3,1513,1526.6,1533.9,1523,1506.3,1518.4,1512.4,1508.8,1545.4,1537.3,1551.8,1549.4,1536.9,1535.25,1537.95,1535.2,1556,1561.4,1525.6,1516.4,1507,1493.9,1504.9,1506.5,1513.1,1506.5,1509.7,1502,1506.8,1521.5,1529.8,1539.8,1510.9,1511.8,1501.7,1478,1485.4,1505.6,1511.6,1518.6,1498.7,1510.9,1510.8,1498.3,1492,1497.7,1484.8,1494.2,1495.6,1495.6,1487.5,1491.1,1495.1,1506.4};
double highs[] = {1284.75,1320.6,1327,1330.8,1326.8,1321.6,1326,1328,1325.8,1327.1,1326,1326,1323.5,1322.1,1282.7,1282.95,1315.8,1316.3,1314,1333.2,1334.7,1341.7,1353.2,1354.6,1352.2,1346.4,1345.7,1344.9,1340.7,1344.2,1342.7,1342.1,1345.2,1342,1350,1324.95,1330.75,1369.6,1374.3,1368.4,1359.8,1359,1357,1356,1353.4,1340.6,1322.3,1314.1,1316.1,1312.9,1325.7,1323.5,1326.3,1336,1332.1,1330.1,1330.4,1334.7,1341.1,1344.2,1338.8,1348.4,1345.6,1342.8,1334.7,1322.3,1319.3,1314.7,1316.6,1316.4,1315,1325.4,1328.3,1332.2,1329.2,1316.9,1312.3,1309.5,1299.6,1296.9,1277.9,1299.5,1296.2,1298.4,1302.5,1308.7,1306.4,1305.9,1307,1297.2,1301.7,1305,1305.3,1310.2,1307,1308,1319.8,1321.7,1318.7,1316.2,1305.9,1295.8,1293.8,1293.7,1304.2,1302,1285.15,1286.85,1304,1302,1305.2,1323,1344.1,1345.2,1360.1,1355.3,1363.8,1353,1344.7,1353.6,1358,1373.6,1358.2,1369.6,1377.6,1408.9,1425.5,1435.9,1453.7,1438,1426,1439.1,1418,1435,1452.6,1426.65,1437.5,1421.5,1414.1,1433.3,1441.3,1431.4,1433.9,1432.4,1440.8,1462.3,1467,1443.5,1444,1442.9,1447,1437.6,1440.8,1445.7,1447.8,1458.2,1461.9,1481.8,1486.8,1522.7,1521.3,1521.1,1531.5,1546.1,1534.9,1537.7,1538.6,1523.6,1518.8,1518.4,1514.6,1540.3,1565,1554.5,1556.6,1559.8,1541.9,1542.9,1540.05,1558.9,1566.2,1561.9,1536.2,1523.8,1509.1,1506.2,1532.2,1516.6,1519.7,1515,1519.5,1512.1,1524.5,1534.4,1543.3,1543.3,1542.8,1519.5,1507.2,1493.5,1511.4,1525.8,1522.2,1518.8,1515.3,1518,1522.3,1508,1501.5,1503,1495.5,1501.1,1497.9,1498.7,1492.1,1499.4,1506.9,1520.9}; double highs[] = {1284.75,1320.6,1327,1330.8,1326.8,1321.6,1326,1328,1325.8,1327.1,1326,1326,1323.5,1322.1,1282.7,1282.95,1315.8,1316.3,1314,1333.2,1334.7,1341.7,1353.2,1354.6,1352.2,1346.4,1345.7,1344.9,1340.7,1344.2,1342.7,1342.1,1345.2,1342,1350,1324.95,1330.75,1369.6,1374.3,1368.4,1359.8,1359,1357,1356,1353.4,1340.6,1322.3,1314.1,1316.1,1312.9,1325.7,1323.5,1326.3,1336,1332.1,1330.1,1330.4,1334.7,1341.1,1344.2,1338.8,1348.4,1345.6,1342.8,1334.7,1322.3,1319.3,1314.7,1316.6,1316.4,1315,1325.4,1328.3,1332.2,1329.2,1316.9,1312.3,1309.5,1299.6,1296.9,1277.9,1299.5,1296.2,1298.4,1302.5,1308.7,1306.4,1305.9,1307,1297.2,1301.7,1305,1305.3,1310.2,1307,1308,1319.8,1321.7,1318.7,1316.2,1305.9,1295.8,1293.8,1293.7,1304.2,1302,1285.15,1286.85,1304,1302,1305.2,1323,1344.1,1345.2,1360.1,1355.3,1363.8,1353,1344.7,1353.6,1358,1373.6,1358.2,1369.6,1377.6,1408.9,1425.5,1435.9,1453.7,1438,1426,1439.1,1418,1435,1452.6,1426.65,1437.5,1421.5,1414.1,1433.3,1441.3,1431.4,1433.9,1432.4,1440.8,1462.3,1467,1443.5,1444,1442.9,1447,1437.6,1440.8,1445.7,1447.8,1458.2,1461.9,1481.8,1486.8,1522.7,1521.3,1521.1,1531.5,1546.1,1534.9,1537.7,1538.6,1523.6,1518.8,1518.4,1514.6,1540.3,1565,1554.5,1556.6,1559.8,1541.9,1542.9,1540.05,1558.9,1566.2,1561.9,1536.2,1523.8,1509.1,1506.2,1532.2,1516.6,1519.7,1515,1519.5,1512.1,1524.5,1534.4,1543.3,1543.3,1542.8,1519.5,1507.2,1493.5,1511.4,1525.8,1522.2,1518.8,1515.3,1518,1522.3,1508,1501.5,1503,1495.5,1501.1,1497.9,1498.7,1492.1,1499.4,1506.9,1520.9};
double lows[] = {1282.85,1315,1318.7,1309.6,1317.6,1312.9,1312.4,1319.1,1319,1321,1318.1,1321.3,1319.9,1312,1280.5,1276.15,1308,1309.9,1308.5,1312.3,1329.3,1333.1,1340.2,1347,1345.9,1338,1340.8,1335,1332,1337.9,1333,1336.8,1333.2,1329.9,1340.4,1323.85,1324.05,1349,1366.3,1351.2,1349.1,1352.4,1350.7,1344.3,1338.9,1316.3,1308.4,1306.9,1309.6,1306.7,1312.3,1315.4,1319,1327.2,1317.2,1320,1323,1328,1323,1327.8,1331.7,1335.3,1336.6,1331.8,1311.4,1310,1309.5,1308,1310.6,1302.8,1306.6,1313.7,1320,1322.8,1311,1312.1,1303.6,1293.9,1293.5,1291,1277.9,1294.1,1286,1289.1,1293.5,1296.9,1298,1299.6,1292.9,1285.1,1288.5,1296.3,1297.2,1298.4,1298.6,1302,1300.3,1312,1310.8,1301.9,1292,1291.1,1286.3,1289.2,1289.9,1297.4,1283.65,1283.25,1292.9,1295.9,1290.8,1304.2,1322.7,1336.1,1341,1343.5,1345.8,1340.3,1335.1,1341.5,1347.6,1352.8,1348.2,1353.7,1356.5,1373.3,1398,1414.7,1427,1416.4,1412.7,1420.1,1396.4,1398.8,1426.6,1412.85,1400.7,1406,1399.8,1404.4,1415.5,1417.2,1421.9,1415,1413.7,1428.1,1434,1435.7,1427.5,1429.4,1423.9,1425.6,1427.5,1434.8,1422.3,1412.1,1442.5,1448.8,1468.2,1484.3,1501.6,1506.2,1498.6,1488.9,1504.5,1518.3,1513.9,1503.3,1503,1506.5,1502.1,1503,1534.8,1535.3,1541.4,1528.6,1525.6,1535.25,1528.15,1528,1542.6,1514.3,1510.7,1505.5,1492.1,1492.9,1496.8,1493.1,1503.4,1500.9,1490.7,1496.3,1505.3,1505.3,1517.9,1507.4,1507.1,1493.3,1470.5,1465,1480.5,1501.7,1501.4,1493.3,1492.1,1505.1,1495.7,1478,1487.1,1480.8,1480.6,1487,1488.3,1484.8,1484,1490.7,1490.4,1503.1}; double lows[] = {1282.85,1315,1318.7,1309.6,1317.6,1312.9,1312.4,1319.1,1319,1321,1318.1,1321.3,1319.9,1312,1280.5,1276.15,1308,1309.9,1308.5,1312.3,1329.3,1333.1,1340.2,1347,1345.9,1338,1340.8,1335,1332,1337.9,1333,1336.8,1333.2,1329.9,1340.4,1323.85,1324.05,1349,1366.3,1351.2,1349.1,1352.4,1350.7,1344.3,1338.9,1316.3,1308.4,1306.9,1309.6,1306.7,1312.3,1315.4,1319,1327.2,1317.2,1320,1323,1328,1323,1327.8,1331.7,1335.3,1336.6,1331.8,1311.4,1310,1309.5,1308,1310.6,1302.8,1306.6,1313.7,1320,1322.8,1311,1312.1,1303.6,1293.9,1293.5,1291,1277.9,1294.1,1286,1289.1,1293.5,1296.9,1298,1299.6,1292.9,1285.1,1288.5,1296.3,1297.2,1298.4,1298.6,1302,1300.3,1312,1310.8,1301.9,1292,1291.1,1286.3,1289.2,1289.9,1297.4,1283.65,1283.25,1292.9,1295.9,1290.8,1304.2,1322.7,1336.1,1341,1343.5,1345.8,1340.3,1335.1,1341.5,1347.6,1352.8,1348.2,1353.7,1356.5,1373.3,1398,1414.7,1427,1416.4,1412.7,1420.1,1396.4,1398.8,1426.6,1412.85,1400.7,1406,1399.8,1404.4,1415.5,1417.2,1421.9,1415,1413.7,1428.1,1434,1435.7,1427.5,1429.4,1423.9,1425.6,1427.5,1434.8,1422.3,1412.1,1442.5,1448.8,1468.2,1484.3,1501.6,1506.2,1498.6,1488.9,1504.5,1518.3,1513.9,1503.3,1503,1506.5,1502.1,1503,1534.8,1535.3,1541.4,1528.6,1525.6,1535.25,1528.15,1528,1542.6,1514.3,1510.7,1505.5,1492.1,1492.9,1496.8,1493.1,1503.4,1500.9,1490.7,1496.3,1505.3,1505.3,1517.9,1507.4,1507.1,1493.3,1470.5,1465,1480.5,1501.7,1501.4,1493.3,1492.1,1505.1,1495.7,1478,1487.1,1480.8,1480.6,1487,1488.3,1484.8,1484,1490.7,1490.4,1503.1};
@ -1128,8 +1184,9 @@ void ShowDemoWindow(bool* p_open) {
static ImVec4 bearCol = ImVec4(0.853f, 0.050f, 0.310f, 1.000f); static ImVec4 bearCol = ImVec4(0.853f, 0.050f, 0.310f, 1.000f);
ImGui::SameLine(); ImGui::ColorEdit4("##Bull", &bullCol.x, ImGuiColorEditFlags_NoInputs); ImGui::SameLine(); ImGui::ColorEdit4("##Bull", &bullCol.x, ImGuiColorEditFlags_NoInputs);
ImGui::SameLine(); ImGui::ColorEdit4("##Bear", &bearCol.x, ImGuiColorEditFlags_NoInputs); ImGui::SameLine(); ImGui::ColorEdit4("##Bear", &bearCol.x, ImGuiColorEditFlags_NoInputs);
ImPlot::SetNextPlotLimits(0, 218, 1250, 1600); ImPlot::GetStyle().UseLocalTime = false;
if (ImPlot::BeginPlot("Candlestick Chart","Day","USD")) { ImPlot::SetNextPlotLimits(1546300800, 1571961600, 1250, 1600);
if (ImPlot::BeginPlot("Candlestick Chart","Day","USD",ImVec2(-1,0),0,ImPlotAxisFlags_Time)) {
MyImPlot::PlotCandlestick("GOOGL",dates, opens, closes, lows, highs, 218, tooltip, 0.25f, bullCol, bearCol); MyImPlot::PlotCandlestick("GOOGL",dates, opens, closes, lows, highs, 218, tooltip, 0.25f, bullCol, bearCol);
ImPlot::EndPlot(); ImPlot::EndPlot();
} }
@ -1169,7 +1226,7 @@ ImPlotPoint Spiral(void*, int idx) {
void Sparkline(const char* id, const float* values, int count, float min_v, float max_v, int offset, const ImVec4& col, const ImVec2& size) { void Sparkline(const char* id, const float* values, int count, float min_v, float max_v, int offset, const ImVec4& col, const ImVec2& size) {
ImPlot::PushStyleVar(ImPlotStyleVar_PlotPadding, ImVec2(0,0)); ImPlot::PushStyleVar(ImPlotStyleVar_PlotPadding, ImVec2(0,0));
ImPlot::SetNextPlotLimits(0, count - 1, min_v, max_v, ImGuiCond_Always); ImPlot::SetNextPlotLimits(0, count - 1, min_v, max_v, ImGuiCond_Always);
if (ImPlot::BeginPlot(id,0,0,size,ImPlotFlags_NoChild,0,0,0,0)) { if (ImPlot::BeginPlot(id,0,0,size,ImPlotFlags_CanvasOnly|ImPlotFlags_NoChild,ImPlotAxisFlags_NoDecorations,ImPlotAxisFlags_NoDecorations)) {
ImPlot::PushStyleColor(ImPlotCol_Line, col); ImPlot::PushStyleColor(ImPlotCol_Line, col);
ImPlot::PlotLine(id, values, count, offset); ImPlot::PlotLine(id, values, count, offset);
ImPlot::PushStyleVar(ImPlotStyleVar_FillAlpha, 0.25f); ImPlot::PushStyleVar(ImPlotStyleVar_FillAlpha, 0.25f);
@ -1249,7 +1306,8 @@ void StyleSeaborn() {
namespace MyImPlot { namespace MyImPlot {
int BinarySearch(const double* arr, int l, int r, double x) { template <typename T>
int BinarySearch(const T* arr, int l, int r, T x) {
if (r >= l) { if (r >= l) {
int mid = l + (r - l) / 2; int mid = l + (r - l) / 2;
if (arr[mid] == x) if (arr[mid] == x)
@ -1262,10 +1320,43 @@ int BinarySearch(const double* arr, int l, int r, double x) {
} }
void PlotCandlestick(const char* label_id, const double* xs, const double* opens, const double* closes, const double* lows, const double* highs, int count, bool tooltip, float width_percent, ImVec4 bullCol, ImVec4 bearCol) { void PlotCandlestick(const char* label_id, const double* xs, const double* opens, const double* closes, const double* lows, const double* highs, int count, bool tooltip, float width_percent, ImVec4 bullCol, ImVec4 bearCol) {
// get ImGui window DrawList
ImDrawList* draw_list = ImPlot::GetPlotDrawList();
// calc real value width
double half_width = count > 1 ? (xs[1] - xs[0]) * width_percent : width_percent;
// custom tool
if (ImPlot::IsPlotHovered() && tooltip) {
ImPlotPoint mouse = ImPlot::GetPlotMousePos();
mouse.x = ImPlot::RoundTime(ImPlotTime::FromDouble(mouse.x), ImPlotTimeUnit_Day).ToDouble();
float tool_l = ImPlot::PlotToPixels(mouse.x - half_width * 1.5, mouse.y).x;
float tool_r = ImPlot::PlotToPixels(mouse.x + half_width * 1.5, mouse.y).x;
float tool_t = ImPlot::GetPlotPos().y;
float tool_b = tool_t + ImPlot::GetPlotSize().y;
ImPlot::PushPlotClipRect();
draw_list->AddRectFilled(ImVec2(tool_l, tool_t), ImVec2(tool_r, tool_b), IM_COL32(128,128,128,64));
ImPlot::PopPlotClipRect();
// find mouse location index
int idx = BinarySearch(xs, 0, count - 1, mouse.x);
// render tool tip (won't be affected by plot clip rect)
if (idx != -1) {
ImGui::BeginTooltip();
char buff[32];
ImPlot::FormatTime(ImPlotTime::FromDouble(xs[idx]),buff,32,ImPlotTimeFmt_DayMoYr);
ImGui::Text("Day: %s", buff);
ImGui::Text("Open: $%.2f", opens[idx]);
ImGui::Text("Close: $%.2f", closes[idx]);
ImGui::Text("Low: $%.2f", lows[idx]);
ImGui::Text("High: $%.2f", highs[idx]);
ImGui::EndTooltip();
}
}
// begin plot item // begin plot item
if (ImPlot::BeginItem(label_id)) { if (ImPlot::BeginItem(label_id)) {
// override legend icon color // override legend icon color
ImPlot::GetCurrentItem()->Color = ImVec4(1,1,1,1); ImPlot::GetCurrentItem()->Color = ImVec4(0.25f,0.25f,0.25f,1);
// fit data if requested // fit data if requested
if (ImPlot::FitThisFrame()) { if (ImPlot::FitThisFrame()) {
for (int i = 0; i < count; ++i) { for (int i = 0; i < count; ++i) {
@ -1273,10 +1364,6 @@ void PlotCandlestick(const char* label_id, const double* xs, const double* opens
ImPlot::FitPoint(ImPlotPoint(xs[i], highs[i])); ImPlot::FitPoint(ImPlotPoint(xs[i], highs[i]));
} }
} }
// get ImGui window DrawList
ImDrawList* draw_list = ImPlot::GetPlotDrawList();
// calc real value width
double half_width = count > 1 ? (xs[1] - xs[0]) * width_percent : width_percent;
// render data // render data
for (int i = 0; i < count; ++i) { for (int i = 0; i < count; ++i) {
ImVec2 open_pos = ImPlot::PlotToPixels(xs[i] - half_width, opens[i]); ImVec2 open_pos = ImPlot::PlotToPixels(xs[i] - half_width, opens[i]);
@ -1287,28 +1374,7 @@ void PlotCandlestick(const char* label_id, const double* xs, const double* opens
draw_list->AddLine(low_pos, high_pos, color); draw_list->AddLine(low_pos, high_pos, color);
draw_list->AddRectFilled(open_pos, close_pos, color); draw_list->AddRectFilled(open_pos, close_pos, color);
} }
// custom tool
if (ImPlot::IsPlotHovered() && tooltip) {
ImPlotPoint mouse = ImPlot::GetPlotMousePos();
mouse.x = round(mouse.x);
float tool_l = ImPlot::PlotToPixels(mouse.x - half_width * 1.5, mouse.y).x;
float tool_r = ImPlot::PlotToPixels(mouse.x + half_width * 1.5, mouse.y).x;
float tool_t = ImPlot::GetPlotPos().y;
float tool_b = tool_t + ImPlot::GetPlotSize().y;
draw_list->AddRectFilled(ImVec2(tool_l, tool_t), ImVec2(tool_r, tool_b), IM_COL32(0,255,255,64));
// find mouse location index
int idx = BinarySearch(xs, 0, count - 1, mouse.x);
// render tool tip (won't be affected by plot clip rect)
if (idx != -1) {
ImGui::BeginTooltip();
ImGui::Text("Day: %.0f", xs[idx]);
ImGui::Text("Open: $%.2f", opens[idx]);
ImGui::Text("Close: $%.2f", closes[idx]);
ImGui::Text("Low: $%.2f", lows[idx]);
ImGui::Text("High: $%.2f", highs[idx]);
ImGui::EndTooltip();
}
}
// end plot item // end plot item
ImPlot::EndItem(); ImPlot::EndItem();
} }
@ -1397,7 +1463,7 @@ void ShowBenchmarkTool() {
ImPlot::SetNextPlotLimits(0,500,0,500,ImGuiCond_Always); ImPlot::SetNextPlotLimits(0,500,0,500,ImGuiCond_Always);
static char buffer[8]; static char buffer[8];
if (ImPlot::BeginPlot("##Stats", "Lines (1,000 pts each)", "Framerate (Hz)", ImVec2(-1,0), ImPlotFlags_Default | ImPlotFlags_NoChild)) { if (ImPlot::BeginPlot("##Stats", "Lines (1,000 pts each)", "Framerate (Hz)", ImVec2(-1,0), ImPlotFlags_NoChild)) {
for (int run = 0; run < records.size(); ++run) { for (int run = 0; run < records.size(); ++run) {
sprintf(buffer, "Run %d", run + 1); sprintf(buffer, "Run %d", run + 1);
ImPlot::PlotLine(buffer, records[run].Data, records[run].Size); ImPlot::PlotLine(buffer, records[run].Data, records[run].Size);

223
implot_internal.h
View File

@ -35,6 +35,7 @@
#define IMGUI_DEFINE_MATH_OPERATORS #define IMGUI_DEFINE_MATH_OPERATORS
#endif #endif
#include <time.h>
#include "imgui_internal.h" #include "imgui_internal.h"
#ifndef IMPLOT_VERSION #ifndef IMPLOT_VERSION
@ -76,6 +77,10 @@ extern ImPlotContext* GImPlot; // Current implicit context pointer
#define IMPLOT_SUB_DIV 10 #define IMPLOT_SUB_DIV 10
// Zoom rate for scroll (e.g. 0.1f = 10% plot range every scroll click) // Zoom rate for scroll (e.g. 0.1f = 10% plot range every scroll click)
#define IMPLOT_ZOOM_RATE 0.1f #define IMPLOT_ZOOM_RATE 0.1f
// Maximum allowable timestamp value 01/01/3000 @ 12:00am (UTC)
#define IMPLOT_MIN_TIME 0
// Maximum allowable timestamp value 01/01/3000 @ 12:00am (UTC)
#define IMPLOT_MAX_TIME 32503680000
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// [SECTION] Generic Helpers // [SECTION] Generic Helpers
@ -84,21 +89,27 @@ extern ImPlotContext* GImPlot; // Current implicit context pointer
// Computes the common (base-10) logarithm // Computes the common (base-10) logarithm
static inline float ImLog10(float x) { return log10f(x); } static inline float ImLog10(float x) { return log10f(x); }
static inline double ImLog10(double x) { return log10(x); } static inline double ImLog10(double x) { return log10(x); }
// Returns true if a flag is set // Returns true if a flag is set
template <typename TSet, typename TFlag> template <typename TSet, typename TFlag>
inline bool ImHasFlag(TSet set, TFlag flag) { return (set & flag) == flag; } inline bool ImHasFlag(TSet set, TFlag flag) { return (set & flag) == flag; }
// Flips a flag in a flagset // Flips a flag in a flagset
template <typename TSet, typename TFlag> template <typename TSet, typename TFlag>
inline void ImFlipFlag(TSet& set, TFlag flag) { ImHasFlag(set, flag) ? set &= ~flag : set |= flag; } inline void ImFlipFlag(TSet& set, TFlag flag) { ImHasFlag(set, flag) ? set &= ~flag : set |= flag; }
// Linearly remaps x from [x0 x1] to [y0 y1]. // Linearly remaps x from [x0 x1] to [y0 y1].
template <typename T> template <typename T>
inline T ImRemap(T x, T x0, T x1, T y0, T y1) { return y0 + (x - x0) * (y1 - y0) / (x1 - x0); } inline T ImRemap(T x, T x0, T x1, T y0, T y1) { return y0 + (x - x0) * (y1 - y0) / (x1 - x0); }
// Returns always positive modulo (assumes r != 0) // Returns always positive modulo (assumes r != 0)
inline int ImPosMod(int l, int r) { return (l % r + r) % r; } inline int ImPosMod(int l, int r) { return (l % r + r) % r; }
// Returns true if val is NAN or INFINITY
inline bool ImNanOrInf(double val) { return val == HUGE_VAL || val == -HUGE_VAL || isnan(val); }
// Turns NANs to 0s
inline double ImConstrainNan(double val) { return isnan(val) ? 0 : val; }
// Turns infinity to floating point maximums
inline double ImConstrainInf(double val) { return val == HUGE_VAL ? DBL_MAX : val == -HUGE_VAL ? - DBL_MAX : val; }
// Turns numbers less than or equal to 0 to 0.001 (sort of arbitrary, is there a better way?)
inline double ImConstrainLog(double val) { return val <= 0 ? 0.001f : val; }
// Turns numbers less than 0 to zero
inline double ImConstrainTime(double val) { return val < IMPLOT_MIN_TIME ? IMPLOT_MIN_TIME : (val > IMPLOT_MAX_TIME ? IMPLOT_MAX_TIME : val); }
// Offset calculator helper // Offset calculator helper
template <int Count> template <int Count>
@ -115,10 +126,10 @@ struct ImOffsetCalculator {
struct ImBufferWriter struct ImBufferWriter
{ {
char* Buffer; char* Buffer;
size_t Size; int Size;
size_t Pos; int Pos;
ImBufferWriter(char* buffer, size_t size) { ImBufferWriter(char* buffer, int size) {
Buffer = buffer; Buffer = buffer;
Size = size; Size = size;
Pos = 0; Pos = 0;
@ -129,7 +140,7 @@ struct ImBufferWriter
va_start(argp, fmt); va_start(argp, fmt);
const int written = ::vsnprintf(&Buffer[Pos], Size - Pos - 1, fmt, argp); const int written = ::vsnprintf(&Buffer[Pos], Size - Pos - 1, fmt, argp);
if (written > 0) if (written > 0)
Pos += ImMin(size_t(written), Size-Pos-1); Pos += ImMin(written, Size-Pos-1);
va_end(argp); va_end(argp);
} }
}; };
@ -147,7 +158,9 @@ struct ImPlotPointArray {
// [SECTION] ImPlot Enums // [SECTION] ImPlot Enums
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
typedef int ImPlotScale; // -> enum ImPlotScale_ typedef int ImPlotScale; // -> enum ImPlotScale_
typedef int ImPlotTimeUnit; // -> enum ImPlotTimeUnit_
typedef int ImPlotTimeFmt; // -> enum ImPlotTimeFmt_
// XY axes scaling combinations // XY axes scaling combinations
enum ImPlotScale_ { enum ImPlotScale_ {
@ -157,6 +170,37 @@ enum ImPlotScale_ {
ImPlotScale_LogLog // log x, log y ImPlotScale_LogLog // log x, log y
}; };
enum ImPlotTimeUnit_ {
ImPlotTimeUnit_Us, // microsecond
ImPlotTimeUnit_Ms, // millisecond
ImPlotTimeUnit_S, // second
ImPlotTimeUnit_Min, // minute
ImPlotTimeUnit_Hr, // hour
ImPlotTimeUnit_Day, // day
ImPlotTimeUnit_Mo, // month
ImPlotTimeUnit_Yr, // year
ImPlotTimeUnit_COUNT
};
enum ImPlotTimeFmt_ {
ImPlotTimeFmt_Us, // .428 552
ImPlotTimeFmt_SUs, // :29.428 552
ImPlotTimeFmt_SMs, // :29.428
ImPlotTimeFmt_S, // :29
ImPlotTimeFmt_HrMinS, // 7:21:29pm
ImPlotTimeFmt_HrMin, // 7:21pm
ImPlotTimeFmt_Hr, // 7pm
ImPlotTimeFmt_DayMo, // 10/3
ImPlotTimeFmt_DayMoHr, // 10/3 7pm
ImPlotTimeFmt_DayMoHrMin, // 10/3 7:21pm
ImPlotTimeFmt_DayMoYr, // 10/3/91
ImPlotTimeFmt_DayMoYrHrMin, // 10/3/91 7:21pm
ImPlotTimeFmt_DayMoYrHrMinS, // 10/3/91 7:21:29pm
ImPlotTimeFmt_MoYr, // Oct 1991
ImPlotTimeFmt_Mo, // Oct
ImPlotTimeFmt_Yr // 1991
};
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// [SECTION] ImPlot Structs // [SECTION] ImPlot Structs
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
@ -190,12 +234,14 @@ struct ImPlotTick
int BufferOffset; int BufferOffset;
bool Major; bool Major;
bool ShowLabel; bool ShowLabel;
int Level;
ImPlotTick(double value, bool major, bool show_label) { ImPlotTick(double value, bool major, bool show_label) {
PlotPos = value; PlotPos = value;
Major = major; Major = major;
ShowLabel = show_label; ShowLabel = show_label;
BufferOffset = -1; BufferOffset = -1;
Level = 0;
} }
}; };
@ -251,13 +297,62 @@ struct ImPlotAxis
bool HoveredTot; bool HoveredTot;
ImPlotAxis() { ImPlotAxis() {
Flags = PreviousFlags = ImPlotAxisFlags_Default; Flags = PreviousFlags = ImPlotAxisFlags_None;
Range.Min = 0; Range.Min = 0;
Range.Max = 1; Range.Max = 1;
Dragging = false; Dragging = false;
HoveredExt = false; HoveredExt = false;
HoveredTot = false; HoveredTot = false;
} }
bool SetMin(double _min) {
_min = ImConstrainNan(ImConstrainInf(_min));
if (ImHasFlag(Flags, ImPlotAxisFlags_LogScale))
_min = ImConstrainLog(_min);
if (ImHasFlag(Flags, ImPlotAxisFlags_Time))
_min = ImConstrainTime(_min);
if (_min >= Range.Max)
return false;
Range.Min = _min;
return true;
};
bool SetMax(double _max) {
_max = ImConstrainNan(ImConstrainInf(_max));
if (ImHasFlag(Flags, ImPlotAxisFlags_LogScale))
_max = ImConstrainLog(_max);
if (ImHasFlag(Flags, ImPlotAxisFlags_Time))
_max = ImConstrainTime(_max);
if (_max <= Range.Min)
return false;
Range.Max = _max;
return true;
};
void SetRange(double _min, double _max) {
Range.Min = _min;
Range.Max = _max;
Constrain();
}
void SetRange(const ImPlotRange& range) {
SetRange(range.Min, range.Max);
}
void Constrain() {
Range.Min = ImConstrainNan(ImConstrainInf(Range.Min));
Range.Max = ImConstrainNan(ImConstrainInf(Range.Max));
if (ImHasFlag(Flags, ImPlotAxisFlags_LogScale)) {
Range.Min = ImConstrainLog(Range.Min);
Range.Max = ImConstrainLog(Range.Max);
}
if (ImHasFlag(Flags, ImPlotAxisFlags_Time)) {
Range.Min = ImConstrainTime(Range.Min);
Range.Max = ImConstrainTime(Range.Max);
}
if (Range.Max <= Range.Min)
Range.Max = Range.Min + DBL_EPSILON;
}
}; };
// Axis state information only needed between BeginPlot/EndPlot // Axis state information only needed between BeginPlot/EndPlot
@ -272,17 +367,19 @@ struct ImPlotAxisState
bool LockMin; bool LockMin;
bool LockMax; bool LockMax;
bool Lock; bool Lock;
bool IsTime;
ImPlotAxisState(ImPlotAxis* axis, bool has_range, ImGuiCond range_cond, bool present) { ImPlotAxisState(ImPlotAxis* axis, bool has_range, ImGuiCond range_cond, bool present) {
Axis = axis; Axis = axis;
HasRange = has_range; HasRange = has_range;
RangeCond = range_cond; RangeCond = range_cond;
Present = present; Present = present;
HasLabels = ImHasFlag(Axis->Flags, ImPlotAxisFlags_TickLabels); HasLabels = !ImHasFlag(Axis->Flags, ImPlotAxisFlags_NoTickLabels);
Invert = ImHasFlag(Axis->Flags, ImPlotAxisFlags_Invert); Invert = ImHasFlag(Axis->Flags, ImPlotAxisFlags_Invert);
LockMin = ImHasFlag(Axis->Flags, ImPlotAxisFlags_LockMin) || (HasRange && RangeCond == ImGuiCond_Always); LockMin = ImHasFlag(Axis->Flags, ImPlotAxisFlags_LockMin) || (HasRange && RangeCond == ImGuiCond_Always);
LockMax = ImHasFlag(Axis->Flags, ImPlotAxisFlags_LockMax) || (HasRange && RangeCond == ImGuiCond_Always); LockMax = ImHasFlag(Axis->Flags, ImPlotAxisFlags_LockMax) || (HasRange && RangeCond == ImGuiCond_Always);
Lock = !Present || ((LockMin && LockMax) || (HasRange && RangeCond == ImGuiCond_Always)); Lock = !Present || ((LockMin && LockMax) || (HasRange && RangeCond == ImGuiCond_Always));
IsTime = ImHasFlag(Axis->Flags, ImPlotAxisFlags_Time);
} }
ImPlotAxisState() { } ImPlotAxisState() { }
@ -336,7 +433,7 @@ struct ImPlotState
int CurrentYAxis; int CurrentYAxis;
ImPlotState() { ImPlotState() {
Flags = PreviousFlags = ImPlotFlags_Default; Flags = PreviousFlags = ImPlotFlags_None;
SelectStart = QueryStart = ImVec2(0,0); SelectStart = QueryStart = ImVec2(0,0);
Selecting = Querying = Queried = DraggingQuery = false; Selecting = Querying = Queried = DraggingQuery = false;
ColormapIdx = CurrentYAxis = 0; ColormapIdx = CurrentYAxis = 0;
@ -456,6 +553,9 @@ struct ImPlotContext {
int ColormapSize; int ColormapSize;
ImVector<ImPlotColormapMod> ColormapModifiers; ImVector<ImPlotColormapMod> ColormapModifiers;
// Time
tm Tm;
// Misc // Misc
int VisibleItemCount; int VisibleItemCount;
int DigitalPlotItemCnt; int DigitalPlotItemCnt;
@ -477,6 +577,32 @@ struct ImPlotAxisScale
} }
}; };
/// Two part timestamp struct.
struct ImPlotTime {
time_t S; // second part
int Us; // microsecond part
ImPlotTime() { S = 0; Us = 0; }
ImPlotTime(time_t s, int us = 0) { S = s + us / 1000000; Us = us % 1000000; }
void RollOver() { S = S + Us / 1000000; Us = Us % 1000000; }
double ToDouble() const { return (double)S + (double)Us / 1000000.0; }
static ImPlotTime FromDouble(double t) { return ImPlotTime((time_t)t, (int)(t * 1000000 - floor(t) * 1000000)); }
};
static inline ImPlotTime operator+(const ImPlotTime& lhs, const ImPlotTime& rhs)
{ return ImPlotTime(lhs.S + rhs.S, lhs.Us + rhs.Us); }
static inline ImPlotTime operator-(const ImPlotTime& lhs, const ImPlotTime& rhs)
{ return ImPlotTime(lhs.S - rhs.S, lhs.Us - rhs.Us); }
static inline bool operator==(const ImPlotTime& lhs, const ImPlotTime& rhs)
{ return lhs.S == rhs.S && lhs.Us == rhs.Us; }
static inline bool operator<(const ImPlotTime& lhs, const ImPlotTime& rhs)
{ return lhs.S == rhs.S ? lhs.Us < rhs.Us : lhs.S < rhs.S; }
static inline bool operator>(const ImPlotTime& lhs, const ImPlotTime& rhs)
{ return rhs < lhs; }
static inline bool operator<=(const ImPlotTime& lhs, const ImPlotTime& rhs)
{ return lhs < rhs || lhs == rhs; }
static inline bool operator>=(const ImPlotTime& lhs, const ImPlotTime& rhs)
{ return lhs > rhs || lhs == rhs; }
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// [SECTION] Internal API // [SECTION] Internal API
// No guarantee of forward compatibility here! // No guarantee of forward compatibility here!
@ -532,8 +658,6 @@ void BustItemCache();
// Gets the current y-axis for the current plot // Gets the current y-axis for the current plot
inline int GetCurrentYAxis() { return GImPlot->CurrentPlot->CurrentYAxis; } inline int GetCurrentYAxis() { return GImPlot->CurrentPlot->CurrentYAxis; }
// Constrains an axis range
void ConstrainAxis(ImPlotAxis& axis);
// Updates axis ticks, lins, and label colors // Updates axis ticks, lins, and label colors
void UpdateAxisColors(int axis_flag, ImPlotAxisColor* col); void UpdateAxisColors(int axis_flag, ImPlotAxisColor* col);
@ -547,6 +671,10 @@ inline bool FitThisFrame() { return GImPlot->FitThisFrame; }
// Extends the current plots axes so that it encompasses point p // Extends the current plots axes so that it encompasses point p
void FitPoint(const ImPlotPoint& p); void FitPoint(const ImPlotPoint& p);
// Returns true if two ranges overlap
inline bool RangesOverlap(const ImPlotRange& r1, const ImPlotRange& r2)
{ return r1.Min <= r2.Max && r2.Min <= r1.Max; }
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// [SECTION] Legend Utils // [SECTION] Legend Utils
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
@ -560,15 +688,19 @@ const char* GetLegendLabel(int i);
// [SECTION] Tick Utils // [SECTION] Tick Utils
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Label a tick with default formatting // Label a tick with default formatting.
void LabelTickDefault(ImPlotTick& tick, ImGuiTextBuffer& buffer); void LabelTickDefault(ImPlotTick& tick, ImGuiTextBuffer& buffer);
// Label a tick with scientific formating // Label a tick with scientific formating.
void LabelTickScientific(ImPlotTick& tick, ImGuiTextBuffer& buffer); void LabelTickScientific(ImPlotTick& tick, ImGuiTextBuffer& buffer);
// Label a tick with time formatting.
void LabelTickTime(ImPlotTick& tick, ImGuiTextBuffer& buffer, const ImPlotTime& t, ImPlotTimeFmt fmt);
// Populates a list of ImPlotTicks with normal spaced and formatted ticks // Populates a list of ImPlotTicks with normal spaced and formatted ticks
void AddTicksDefault(const ImPlotRange& range, int nMajor, int nMinor, ImPlotTickCollection& ticks); void AddTicksDefault(const ImPlotRange& range, int nMajor, int nMinor, ImPlotTickCollection& ticks);
// Populates a list of ImPlotTicks with logarithmic space and formatted ticks // Populates a list of ImPlotTicks with logarithmic space and formatted ticks
void AddTicksLogarithmic(const ImPlotRange& range, int nMajor, ImPlotTickCollection& ticks); void AddTicksLogarithmic(const ImPlotRange& range, int nMajor, ImPlotTickCollection& ticks);
// Populates a list of ImPlotTicks with time formatted ticks.
void AddTicksTime(const ImPlotRange& range, int nMajor, ImPlotTickCollection& ticks);
// Populates a list of ImPlotTicks with custom spaced and labeled ticks // Populates a list of ImPlotTicks with custom spaced and labeled ticks
void AddTicksCustom(const double* values, const char** labels, int n, ImPlotTickCollection& ticks); void AddTicksCustom(const double* values, const char** labels, int n, ImPlotTickCollection& ticks);
@ -610,14 +742,6 @@ inline ImU32 CalcTextColor(const ImVec4& bg) { return (bg.x * 0.299 + bg.y * 0.5
// Rounds x to powers of 2,5 and 10 for generating axis labels (from Graphics Gems 1 Chapter 11.2) // Rounds x to powers of 2,5 and 10 for generating axis labels (from Graphics Gems 1 Chapter 11.2)
double NiceNum(double x, bool round); double NiceNum(double x, bool round);
// Returns true if val is NAN or INFINITY
inline bool NanOrInf(double val) { return val == HUGE_VAL || val == -HUGE_VAL || isnan(val); }
// Turns NANs to 0s
inline double ConstrainNan(double val) { return isnan(val) ? 0 : val; }
// Turns infinity to floating point maximums
inline double ConstrainInf(double val) { return val == HUGE_VAL ? DBL_MAX : val == -HUGE_VAL ? - DBL_MAX : val; }
// Turns numbers less than or equal to 0 to 0.001 (sort of arbitrary, is there a better way?)
inline double ConstrainLog(double val) { return val <= 0 ? 0.001f : val; }
// Computes order of magnitude of double. // Computes order of magnitude of double.
inline int OrderOfMagnitude(double val) { return val == 0 ? 0 : (int)(floor(log10(fabs(val)))); } inline int OrderOfMagnitude(double val) { return val == 0 ? 0 : (int)(floor(log10(fabs(val)))); }
// Returns the precision required for a order of magnitude. // Returns the precision required for a order of magnitude.
@ -649,6 +773,57 @@ inline T OffsetAndStride(const T* data, int idx, int count, int offset, int stri
return *(const T*)(const void*)((const unsigned char*)data + (size_t)idx * stride); return *(const T*)(const void*)((const unsigned char*)data + (size_t)idx * stride);
} }
//-----------------------------------------------------------------------------
// Time Utils
//-----------------------------------------------------------------------------
// Returns true if year is leap year (366 days long)
inline bool IsLeapYear(int year) {
if (year % 4 != 0) return false;
if (year % 400 == 0) return true;
if (year % 100 == 0) return false;
return true;
}
// Returns the number of days in a month, accounting for Feb. leap years. #month is zero indexed.
inline int GetDaysInMonth(int year, int month) {
static const int days[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
return days[month] + (int)(month == 1 && IsLeapYear(year));
}
// Make a timestamp from a tm struct expressed as a UTC time (i.e. GMT timezone).
ImPlotTime MkGmtTime(struct tm *ptm);
// Make a tm struct from a timestamp expressed as a UTC time (i.e. GMT timezone).
tm* GetGmtTime(const ImPlotTime& t, tm* ptm);
// Make a timestamp from a tm struct expressed as a local time.
ImPlotTime MkLocTime(struct tm *ptm);
// Make a tm struct from a timestamp expressed as a local time.
tm* GetLocTime(const ImPlotTime& t, tm* ptm);
// NB: These functions only work if there is a current ImPlotContext because the
// internal tm struct is owned by the context!
// Adds time to a timestamp. #count must be positive!
ImPlotTime AddTime(const ImPlotTime& t, ImPlotTimeUnit unit, int count);
// Rounds a timestamp down to nearest.
ImPlotTime FloorTime(const ImPlotTime& t, ImPlotTimeUnit unit);
// Rounds a timestamp up to the nearest unit.
ImPlotTime CeilTime(const ImPlotTime& t, ImPlotTimeUnit unit);
// Rounds a timestamp up or down to the nearest unit.
ImPlotTime RoundTime(const ImPlotTime& t, ImPlotTimeUnit unit);
// Get year from timestamp
int GetYear(const ImPlotTime& t);
// Make a timestamp starting at the first day of a year
ImPlotTime MakeYear(int year);
// Formates a timestamp t into a buffer according to fmt.
int FormatTime(const ImPlotTime& t, char* buffer, int size, ImPlotTimeFmt fmt);
// Prints a timestamp to console
void PrintTime(const ImPlotTime& t, ImPlotTimeFmt fmt);
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// [SECTION] Internal / Experimental Plotters // [SECTION] Internal / Experimental Plotters
// No guarantee of forward compatibility here! // No guarantee of forward compatibility here!

8
implot_items.cpp
View File

@ -145,7 +145,7 @@ bool BeginItem(const char* label_id, ImPlotCol recolor_from) {
s.Colors[ImPlotCol_Fill].w *= s.FillAlpha; s.Colors[ImPlotCol_Fill].w *= s.FillAlpha;
// s.Colors[ImPlotCol_MarkerFill].w *= s.FillAlpha; // TODO: this should be separate, if it at all // s.Colors[ImPlotCol_MarkerFill].w *= s.FillAlpha; // TODO: this should be separate, if it at all
// apply highlight mods // apply highlight mods
if (item->LegendHovered && ImHasFlag(gp.CurrentPlot->Flags, ImPlotFlags_Highlight)) { if (item->LegendHovered && !ImHasFlag(gp.CurrentPlot->Flags, ImPlotFlags_NoHighlight)) {
s.LineWeight *= 2; s.LineWeight *= 2;
s.MarkerWeight *= 2; s.MarkerWeight *= 2;
// TODO: highlight fills? // TODO: highlight fills?
@ -1512,11 +1512,11 @@ inline void PlotDigitalEx(const char* label_id, Getter getter) {
ImPlotPoint itemData1 = getter(0); ImPlotPoint itemData1 = getter(0);
for (int i = 0; i < getter.Count; ++i) { for (int i = 0; i < getter.Count; ++i) {
ImPlotPoint itemData2 = getter(i); ImPlotPoint itemData2 = getter(i);
if (NanOrInf(itemData1.y)) { if (ImNanOrInf(itemData1.y)) {
itemData1 = itemData2; itemData1 = itemData2;
continue; continue;
} }
if (NanOrInf(itemData2.y)) itemData2.y = ConstrainNan(ConstrainInf(itemData2.y)); if (ImNanOrInf(itemData2.y)) itemData2.y = ImConstrainNan(ImConstrainInf(itemData2.y));
int pixY_0 = (int)(s.LineWeight); int pixY_0 = (int)(s.LineWeight);
itemData1.y = ImMax(0.0, itemData1.y); itemData1.y = ImMax(0.0, itemData1.y);
float pixY_1_float = s.DigitalBitHeight * (float)itemData1.y; float pixY_1_float = s.DigitalBitHeight * (float)itemData1.y;
@ -1532,7 +1532,7 @@ inline void PlotDigitalEx(const char* label_id, Getter getter) {
while (((i+2) < getter.Count) && (itemData1.y == itemData2.y)) { while (((i+2) < getter.Count) && (itemData1.y == itemData2.y)) {
const int in = (i + 1); const int in = (i + 1);
itemData2 = getter(in); itemData2 = getter(in);
if (NanOrInf(itemData2.y)) break; if (ImNanOrInf(itemData2.y)) break;
pMax.x = PlotToPixels(itemData2).x; pMax.x = PlotToPixels(itemData2).x;
i++; i++;
} }