mirror of
https://github.com/gwm17/implot.git
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439 lines
20 KiB
C++
439 lines
20 KiB
C++
// MIT License
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// Copyright (c) 2020 Evan Pezent
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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// ImPlot v0.1 WIP
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#include <implot.h>
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#include <imgui_internal.h>
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#include <iostream>
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namespace {
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struct ScrollingData {
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int MaxSize = 1000;
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int Offset = 0;
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ImVector<ImVec2> Data;
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ScrollingData() { Data.reserve(MaxSize); }
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void AddPoint(float x, float y) {
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if (Data.size() < MaxSize)
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Data.push_back(ImVec2(x,y));
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else {
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Data[Offset] = ImVec2(x,y);
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Offset = (Offset + 1) % MaxSize;
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}
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}
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};
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struct RollingData {
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float Span = 10.0f;
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ImVector<ImVec2> Data;
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RollingData() { Data.reserve(1000); }
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void AddPoint(float x, float y) {
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float xmod = ImFmod(x, Span);
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if (!Data.empty() && xmod < Data.back().x)
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Data.shrink(0);
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Data.push_back(ImVec2(xmod, y));
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}
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};
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}
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namespace ImGui {
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void ShowImPlotDemoWindow(bool* p_open) {
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ImVec2 main_viewport_pos = ImGui::GetMainViewport()->Pos;
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ImGui::SetNextWindowPos(ImVec2(main_viewport_pos.x + 650, main_viewport_pos.y + 20), ImGuiCond_FirstUseEver);
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ImGui::SetNextWindowSize(ImVec2(550, 680), ImGuiCond_FirstUseEver);
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ImGui::Begin("ImPlot Demo", p_open);
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ImGui::Text("ImPlot says hello. (0.1 WIP)");
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if (ImGui::CollapsingHeader("Help")) {
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ImGui::Text("USER GUIDE:");
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ImGui::BulletText("Left click and drag within the plot area to pan X and Y axes.");
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ImGui::BulletText("Left click and drag on an axis to pan an individual axis.");
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ImGui::BulletText("Scroll in the plot area to zoom both X any Y axes.");
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ImGui::BulletText("Scroll on an axis to zoom an individual axis.");
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ImGui::BulletText("Right click and drag to box select data.");
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ImGui::Indent();
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ImGui::BulletText("Hold Alt to expand box selection horizontally.");
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ImGui::BulletText("Hold Shift to expand box selection vertically.");
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ImGui::Unindent();
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ImGui::BulletText("Middle click (or Ctrl + right click) and drag to create a query range.");
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ImGui::Indent();
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ImGui::BulletText("Hold Alt to expand query horizontally.");
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ImGui::BulletText("Hold Shift to expand query vertically.");
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ImGui::Unindent();
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ImGui::BulletText("Double left click to fit all visible data.");
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ImGui::BulletText("Double right click to open the plot context menu.");
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ImGui::BulletText("Click legend label icons to show/hide plot items.");
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}
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//-------------------------------------------------------------------------
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if (ImGui::CollapsingHeader("Line Plots")) {
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static float xs1[1001], ys1[1001];
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for (int i = 0; i < 1001; ++i) {
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xs1[i] = i * 0.001f;
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ys1[i] = 0.5f + 0.5f * sin(50 * xs1[i]);
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}
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static float xs2[11], ys2[11];
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for (int i = 0; i < 11; ++i) {
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xs2[i] = i * 0.1f;
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ys2[i] = xs2[i] * xs2[i];
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}
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if (ImGui::BeginPlot("Line Plot", "x", "f(x)", {-1,300})) {
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ImGui::Plot("sin(50*x)", xs1, ys1, 1001);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Circle);
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ImGui::Plot("x^2", xs2, ys2, 11);
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ImGui::PopPlotStyleVar();
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ImGui::EndPlot();
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}
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}
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//-------------------------------------------------------------------------
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if (ImGui::CollapsingHeader("Scatter Plots")) {
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srand(0);
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static float xs1[100], ys1[100];
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for (int i = 0; i < 100; ++i) {
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xs1[i] = i * 0.01f;
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ys1[i] = xs1[i] + 0.1f * ((float)rand() / (float)RAND_MAX);
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}
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static float xs2[50], ys2[50];
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for (int i = 0; i < 50; i++) {
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xs2[i] = 0.25f + 0.2f * ((float)rand() / (float)RAND_MAX);
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ys2[i] = 0.75f + 0.2f * ((float)rand() / (float)RAND_MAX);
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}
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if (ImGui::BeginPlot("Scatter Plot", NULL, NULL, {-1,300})) {
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ImGui::PushPlotStyleVar(ImPlotStyleVar_LineWeight, 0);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Cross);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_MarkerSize, 3);
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ImGui::Plot("Data 1", xs1, ys1, 100);
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ImGui::PopPlotStyleVar(2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Circle);
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ImGui::PushPlotColor(ImPlotCol_MarkerFill, ImVec4{1,0,0,0.25f});
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ImGui::Plot("Data 2", xs2, ys2, 50);
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ImGui::PopPlotColor();
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ImGui::PopPlotStyleVar(2);
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ImGui::EndPlot();
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}
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}
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//-------------------------------------------------------------------------
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if (ImGui::CollapsingHeader("Bar Plots")) {
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static bool horz = false;
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ImGui::Checkbox("Horizontal",&horz);
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if (horz)
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ImGui::SetNextPlotRange(0, 110, -0.5f, 9.5f, ImGuiCond_Always);
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else
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ImGui::SetNextPlotRange(-0.5f, 9.5f, 0, 110, ImGuiCond_Always);
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if (ImGui::BeginPlot("Bar Plot", horz ? "Score": "Student", horz ? "Student" : "Score", {-1, 300})) {
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static float midtm[10] = {83, 67, 23, 89, 83, 78, 91, 82, 85, 90};
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static float final[10] = {80, 62, 56, 99, 55, 78, 88, 78, 90, 100};
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static float grade[10] = {80, 69, 52, 92, 72, 78, 75, 76, 89, 95};
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if (horz) {
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ImGui::PlotBarH("Midterm Exam", midtm, 10, 0.2f, -0.2f);
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ImGui::PlotBarH("Final Exam", final, 10, 0.2f, 0);
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ImGui::PlotBarH("Course Grade", grade, 10, 0.2f, 0.2f);
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}
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else {
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ImGui::PlotBar("Midterm Exam", midtm, 10, 0.2f, -0.2f);
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ImGui::PlotBar("Final Exam", final, 10, 0.2f, 0);
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ImGui::PlotBar("Course Grade", grade, 10, 0.2f, 0.2f);
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}
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ImGui::EndPlot();
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}
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}
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//-------------------------------------------------------------------------
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if (ImGui::CollapsingHeader("Error Bars")) {
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float xs[5] = {1,2,3,4,5};
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float lin[5] = {8,8,9,7,8};
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float bar[5] = {1,2,5,3,4};
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float err1[5] = {0.2, 0.4, 0.2, 0.6, 0.4};
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float err2[5] = {0.4, 0.2, 0.4, 0.8, 0.6};
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ImGui::SetNextPlotRange(0, 6, 0, 10);
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if (ImGui::BeginPlot("##ErrorBars",NULL,NULL,ImVec2(-1,300))) {
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ImGui::PlotBar("Bar", xs, bar, 5, 0.5f);
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ImGui::PlotErrorBars("Bar", xs, bar, err1, 5);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Circle);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_MarkerSize, 3);
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ImGui::PushPlotColor(ImPlotCol_ErrorBar, ImVec4(1,0,0,1));
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ImGui::PlotErrorBars("Line", xs, lin, err1, err2, 5);
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ImGui::Plot("Line", xs, lin, 5);
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ImGui::PopPlotStyleVar(2);
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ImGui::PopPlotColor();
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ImGui::EndPlot();
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}
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}
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//-------------------------------------------------------------------------
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if (ImGui::CollapsingHeader("Realtime Plots")) {
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ImGui::BulletText("Move your mouse to change the data!");
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static bool paused = false;
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static ScrollingData sdata1, sdata2;
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static RollingData rdata1, rdata2;
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ImVec2 mouse = ImGui::GetMousePos();
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static float t = 0;
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if (!paused) {
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t += ImGui::GetIO().DeltaTime;
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sdata1.AddPoint(t, mouse.x * 0.0005f);
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rdata1.AddPoint(t, mouse.x * 0.0005f);
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sdata2.AddPoint(t, mouse.y * 0.0005f);
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rdata2.AddPoint(t, mouse.y * 0.0005f);
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}
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ImGui::SetNextPlotRangeX(t - 10, t, paused ? ImGuiCond_Once : ImGuiCond_Always);
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static int rt_axis = ImAxisFlags_Default & ~ImAxisFlags_TickLabels;
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if (ImGui::BeginPlot("##Scrolling", NULL, NULL, {-1,150}, ImPlotFlags_Default, rt_axis, rt_axis)) {
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ImGui::Plot("Data 1", &sdata1.Data[0].x, &sdata1.Data[0].y, sdata1.Data.size(), sdata1.Offset, 2 * sizeof(float));
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ImGui::Plot("Data 2", &sdata2.Data[0].x, &sdata2.Data[0].y, sdata2.Data.size(), sdata2.Offset, 2 * sizeof(float));
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ImGui::EndPlot();
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}
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ImGui::SetNextPlotRangeX(0, 10, ImGuiCond_Always);
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if (ImGui::BeginPlot("##Rolling", NULL, NULL, {-1,150}, ImPlotFlags_Default, rt_axis, rt_axis)) {
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ImGui::Plot("Data 1", &rdata1.Data[0].x, &rdata1.Data[0].y, rdata1.Data.size(), 0, 2 * sizeof(float));
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ImGui::Plot("Data 2", &rdata2.Data[0].x, &rdata2.Data[0].y, rdata2.Data.size(), 0, 2 * sizeof(float));
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ImGui::EndPlot();
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}
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}
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//-------------------------------------------------------------------------
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if (ImGui::CollapsingHeader("Marker Styles")) {
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ImGui::SetNextPlotRange(0, 10, 0, 12);
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if (ImGui::BeginPlot("##MarkerStyles", NULL, NULL, ImVec2(-1,300), 0, 0, 0)) {
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float xs[2] = {1,4};
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float ys[2] = {10,11};
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// filled
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Circle);
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ImGui::Plot("Circle##Fill", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Square); ys[0]--; ys[1]--;
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ImGui::Plot("Square##Fill", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Diamond); ys[0]--; ys[1]--;
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ImGui::Plot("Diamond##Fill", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Up); ys[0]--; ys[1]--;
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ImGui::Plot("Up##Fill", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Down); ys[0]--; ys[1]--;
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ImGui::Plot("Down##Fill", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Left); ys[0]--; ys[1]--;
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ImGui::Plot("Left##Fill", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Right); ys[0]--; ys[1]--;
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ImGui::Plot("Right##Fill", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Cross); ys[0]--; ys[1]--;
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ImGui::Plot("Cross##Fill", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Plus); ys[0]--; ys[1]--;
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ImGui::Plot("Plus##Fill", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Asterisk); ys[0]--; ys[1]--;
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ImGui::Plot("Asterisk##Fill", xs, ys, 2);
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ImGui::PopPlotStyleVar(10);
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xs[0] = 6; xs[1] = 9;
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ys[0] = 10; ys[1] = 11;
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ImGui::PushPlotColor(ImPlotCol_MarkerFill, ImVec4(0,0,0,0));
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Circle);
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ImGui::Plot("Circle", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Square); ys[0]--; ys[1]--;
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ImGui::Plot("Square", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Diamond); ys[0]--; ys[1]--;
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ImGui::Plot("Diamond", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Up); ys[0]--; ys[1]--;
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ImGui::Plot("Up", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Down); ys[0]--; ys[1]--;
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ImGui::Plot("Down", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Left); ys[0]--; ys[1]--;
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ImGui::Plot("Left", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Right); ys[0]--; ys[1]--;
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ImGui::Plot("Right", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Cross); ys[0]--; ys[1]--;
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ImGui::Plot("Cross", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Plus); ys[0]--; ys[1]--;
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ImGui::Plot("Plus", xs, ys, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Asterisk); ys[0]--; ys[1]--;
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ImGui::Plot("Asterisk", xs, ys, 2);
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ImGui::PopPlotColor();
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ImGui::PopPlotStyleVar(10);
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xs[0] = 5; xs[1] = 5;
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ys[0] = 1; ys[1] = 11;
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ImGui::PushPlotStyleVar(ImPlotStyleVar_LineWeight, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_MarkerSize, 8);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_MarkerWeight, 2);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Circle | ImMarker_Cross);
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ImGui::PushPlotColor(ImPlotCol_MarkerOutline, ImVec4(0,0,0,1));
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ImGui::PushPlotColor(ImPlotCol_MarkerFill, ImVec4(1,1,1,1));
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ImGui::PushPlotColor(ImPlotCol_Line, ImVec4(0,0,0,1));
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ImGui::Plot("Circle|Cross", xs, ys, 2);
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ImGui::PopPlotStyleVar(4);
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ImGui::PopPlotColor(3);
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ImGui::EndPlot();
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}
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}
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//-------------------------------------------------------------------------
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if (ImGui::CollapsingHeader("Log Scale")) {
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ImGui::BulletText("Open the plot context menu (double right click) to scales.");
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static float xs[1001], ys1[1001], ys2[1001], ys3[1001];
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for (int i = 0; i < 1001; ++i) {
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xs[i] = (float)(i*0.1f);
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ys1[i] = sin(xs[i]) + 1;
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ys2[i] = log(xs[i]);
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ys3[i] = pow(10.0f, xs[i]);
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}
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ImGui::SetNextPlotRange(0.1f, 100, 0, 10);
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if (ImGui::BeginPlot("Log Plot", NULL, NULL, ImVec2(-1,300), ImPlotFlags_Default, ImAxisFlags_Default | ImAxisFlags_LogScale )) {
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ImGui::Plot("f(x) = x", xs, xs, 1001);
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ImGui::Plot("f(x) = sin(x)+1", xs, ys1, 1001);
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ImGui::Plot("f(x) = log(x)", xs, ys2, 1001);
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ImGui::Plot("f(x) = 10^x", xs, ys3, 21);
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ImGui::EndPlot();
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}
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}
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//-------------------------------------------------------------------------
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if (ImGui::CollapsingHeader("Querying")) {
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ImGui::BulletText("Ctrl + click in the plot area to draw points.");
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ImGui::BulletText("Middle click (or Ctrl + right click) and drag to query points.");
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ImGui::BulletText("Hold the Alt and/or Shift keys to expand the query range.");
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static ImVector<ImVec2> data;
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if (ImGui::BeginPlot("##Drawing", NULL, NULL, ImVec2(-1,300), ImPlotFlags_Default, ImAxisFlags_GridLines, ImAxisFlags_GridLines)) {
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if (ImGui::IsPlotHovered() && ImGui::IsMouseClicked(0) && ImGui::GetIO().KeyCtrl)
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data.push_back(ImGui::GetPlotMousePos());
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ImGui::PushPlotStyleVar(ImPlotStyleVar_LineWeight, 0);
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ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Diamond);
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if (data.size() > 0)
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ImGui::Plot("Points", &data[0].x, &data[0].y, data.size(), 0, 2 * sizeof(float));
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if (ImGui::IsPlotQueried() && data.size() > 0) {
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ImPlotRange range = ImGui::GetPlotQuery();
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int cnt = 0;
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ImVec2 avg;
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for (int i = 0; i < data.size(); ++i) {
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if (range.Contains(data[i])) {
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avg.x += data[i].x;
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avg.y += data[i].y;
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cnt++;
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}
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}
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if (cnt > 0) {
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avg.x = avg.x / cnt;
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avg.y = avg.y / cnt;
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ImGui::Plot("Average", &avg.x, &avg.y, 1);
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}
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}
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ImGui::PopPlotStyleVar(2);
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ImGui::EndPlot();
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}
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ImPlotRange range = ImGui::GetPlotRange();
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ImGui::Text("The current plot range is: [%g,%g,%g,%g]", range.XMin, range.XMax, range.YMin, range.YMax);
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}
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//-------------------------------------------------------------------------
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if (ImGui::CollapsingHeader("Drag and Drop")) {
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static bool paused = false;
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static bool init = true;
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static ScrollingData data[10];
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static bool show[10];
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if (init) {
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for (int i = 0; i < 10; ++i) {
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show[i] = false;
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data[i].AddPoint(0, 0.25f + 0.5f * (float)rand() / float(RAND_MAX));
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}
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init = false;
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}
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ImGui::BulletText("Drag data items from the left column onto the plot.");
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ImGui::BeginGroup();
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if (ImGui::Button("Clear", {100, 0})) {
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for (int i = 0; i < 10; ++i)
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show[i] = false;
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}
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if (ImGui::Button(paused ? "Resume" : "Pause", {100,0}))
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paused = !paused;
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ImGui::Separator();
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for (int i = 0; i < 10; ++i) {
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char label[8];
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sprintf(label, "data_%d", i);
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ImGui::Selectable(label, false, 0, {100, 0});
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if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) {
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ImGui::SetDragDropPayload("DND_PLOT", &i, sizeof(int));
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ImGui::TextUnformatted(label);
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ImGui::EndDragDropSource();
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}
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}
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ImGui::EndGroup();
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ImGui::SameLine();
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static float t = 0;
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if (!paused) {
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t += ImGui::GetIO().DeltaTime;
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for (int i = 0; i < 10; ++i) {
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data[i].AddPoint(t, data[i].Data.back().y + (0.005f + 0.0002f * (float)rand() / float(RAND_MAX)) * (-1 + 2 * (float)rand() / float(RAND_MAX)));
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}
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}
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ImGui::SetNextPlotRangeX(t - 10, t, paused ? ImGuiCond_Once : ImGuiCond_Always);
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if (ImGui::BeginPlot("##DND", NULL, NULL, ImVec2(-1,300), ImPlotFlags_Default)) {
|
|
for (int i = 0; i < 10; ++i) {
|
|
if (show[i]) {
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|
char label[8];
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|
sprintf(label, "data_%d", i);
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|
ImGui::Plot(label, &data[i].Data[0].x, &data[i].Data[0].y, data[i].Data.size(), data[i].Offset, 2 * sizeof(float));
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|
}
|
|
}
|
|
ImGui::EndPlot();
|
|
}
|
|
if (ImGui::BeginDragDropTarget()) {
|
|
if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("DND_PLOT")) {
|
|
int i = *(int*)payload->Data;
|
|
show[i] = true;
|
|
}
|
|
ImGui::EndDragDropTarget();
|
|
}
|
|
}
|
|
//-------------------------------------------------------------------------
|
|
if (ImGui::CollapsingHeader("Custom Styles")) {
|
|
static ImVec4 my_palette[3] = {
|
|
{0.000f, 0.980f, 0.604f, 1.0f},
|
|
{0.996f, 0.278f, 0.380f, 1.0f},
|
|
{(0.1176470593F), (0.5647059083F), (1.0F), (1.0F)},
|
|
};
|
|
ImGui::SetPlotPalette(my_palette, 3);
|
|
ImGui::PushPlotColor(ImPlotCol_FrameBg, IM_COL32(32,51,77,255));
|
|
ImGui::PushPlotColor(ImPlotCol_PlotBg, {0,0,0,0});
|
|
ImGui::PushPlotColor(ImPlotCol_PlotBorder, {0,0,0,0});
|
|
ImGui::PushPlotColor(ImPlotCol_XAxis, IM_COL32(192, 192, 192, 192));
|
|
ImGui::PushPlotColor(ImPlotCol_YAxis, IM_COL32(192, 192, 192, 192));
|
|
ImGui::PushPlotStyleVar(ImPlotStyleVar_LineWeight, 2);
|
|
ImGui::SetNextPlotRange(-0.5f, 9.5f, -0.5f, 9.5f);
|
|
if (ImGui::BeginPlot("##Custom", NULL, NULL, {-1,300}, ImPlotFlags_Default & ~ImPlotFlags_Legend, 0)) {
|
|
float lin[10] = {8,8,9,7,8,8,8,9,7,8};
|
|
float bar[10] = {1,2,5,3,4,1,2,5,3,4};
|
|
float dot[10] = {7,6,6,7,8,5,6,5,8,7};
|
|
ImGui::PlotBar("Bar", bar, 10, 0.5f);
|
|
ImGui::Plot("Line", lin, 10);
|
|
ImGui::PushPlotStyleVar(ImPlotStyleVar_LineWeight, 0);
|
|
ImGui::PushPlotStyleVar(ImPlotStyleVar_Marker, ImMarker_Square);
|
|
ImGui::Plot("Dot", dot, 10);
|
|
ImGui::PopPlotStyleVar(2);
|
|
ImGui::EndPlot();
|
|
}
|
|
ImGui::PopPlotColor(5);
|
|
ImGui::PopPlotStyleVar();
|
|
ImGui::RestorePlotPalette();
|
|
}
|
|
//-------------------------------------------------------------------------
|
|
ImGui::End();
|
|
|
|
}
|
|
|
|
} // namespace ImGui
|