gwm17/implot
1
0
Fork 0
mirror of https://github.com/gwm17/implot.git synced 2024-10-09 15:47:26 -04:00
Code Issues Projects Releases Wiki Activity

optimizations, add pie plot

Browse Source
This commit is contained in:
Evan Pezent 2020-05-03 00:24:10 -05:00
parent 8c622625cd
commit ad01a01331
3 changed files with 676 additions and 424 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1027
implot.cpp
View File

File diff suppressed because it is too large Load Diff

4
implot.h
View File

@ -46,6 +46,7 @@ enum ImPlotFlags_ {
ImPlotFlags_Crosshairs = 1 << 6, // the default mouse cursor will be replaced with a crosshair when hovered
ImPlotFlags_CullData = 1 << 7, // plot data outside the plot area will be culled from rendering
ImPlotFlags_AntiAliased = 1 << 8, // lines and fills will be anti-aliased (not recommended)
ImPlotFlags_NoChild = 1 << 9, // a child window region will not be used to capture mouse scroll (can boost performance for single ImGui window applications)
ImPlotFlags_Default = ImPlotFlags_MousePos | ImPlotFlags_Legend | ImPlotFlags_Highlight | ImPlotFlags_Selection | ImPlotFlags_ContextMenu | ImPlotFlags_CullData
};
@ -154,6 +155,7 @@ void EndPlot();
// Plots a standard 2D line and/or scatter plot .
void Plot(const char* label_id, const float* values, int count, int offset = 0, int stride = sizeof(float));
void Plot(const char* label_id, const float* xs, const float* ys, int count, int offset = 0, int stride = sizeof(float));
void Plot(const char* label_id, const ImVec2* data, int count, int offset = 0);
void Plot(const char* label_id, ImVec2 (*getter)(void* data, int idx), void* data, int count, int offset = 0);
// Plots vertical bars.
void PlotBar(const char* label_id, const float* values, int count, float width = 0.67f, float shift = 0, int offset = 0, int stride = sizeof(float));
@ -167,6 +169,8 @@ void PlotBarH(const char* label_id, ImVec2 (*getter)(void* data, int idx), void*
void PlotErrorBars(const char* label_id, const float* xs, const float* ys, const float* err, int count, int offset = 0, int stride = sizeof(float));
void PlotErrorBars(const char* label_id, const float* xs, const float* ys, const float* neg, const float* pos, int count, int offset = 0, int stride = sizeof(float));
void PlotErrorBars(const char* label_id, ImVec4 (*getter)(void* data, int idx), void* data, int count, int offset = 0);
// Plots a pie chart. If the sum of values > 1, each value will be normalized. Center and radius are in plot coordinates.
void PlotPieChart(char** label_ids, float* values, int count, const ImVec2& center, float radius, bool show_percents = true, float angle0 = 90);
// Plots a text label at point x,y.
void PlotLabel(const char* text, float x, float y, bool vertical = false, const ImVec2& pixel_offset = ImVec2(0,0));

57
implot_demo.cpp
View File

@ -63,17 +63,15 @@ struct RollingData {
struct BenchmarkItem {
BenchmarkItem() {
float y = RandomRange(0,1);
Xs = new float[1000];
Ys = new float[1000];
Data = new ImVec2[1000];
for (int i = 0; i < 1000; ++i) {
Xs[i] = i*0.001f;
Ys[i] = y + RandomRange(-0.01f,0.01f);
Data[i].x = i*0.001f;
Data[i].y = y + RandomRange(-0.01f,0.01f);
}
Col = ImVec4(RandomRange(0,1),RandomRange(0,1),RandomRange(0,1),1);
}
~BenchmarkItem() { delete Xs; delete Ys; }
float* Xs;
float* Ys;
~BenchmarkItem() { delete Data; }
ImVec2* Data;
ImVec4 Col;
};
@ -84,8 +82,8 @@ namespace ImGui {
void ShowImPlotDemoWindow(bool* p_open) {
ImVec2 main_viewport_pos = ImGui::GetMainViewport()->Pos;
ImGui::SetNextWindowPos(ImVec2(main_viewport_pos.x + 650, main_viewport_pos.y + 20), ImGuiCond_FirstUseEver);
ImGui::SetNextWindowSize(ImVec2(550, 680), ImGuiCond_FirstUseEver);
ImGui::SetNextWindowPos(ImVec2(50, 50), ImGuiCond_FirstUseEver);
ImGui::SetNextWindowSize(ImVec2(520, 750), ImGuiCond_FirstUseEver);
ImGui::Begin("ImPlot Demo", p_open);
ImGui::Text("ImPlot says hello. (0.1 WIP)");
if (ImGui::CollapsingHeader("Help")) {
@ -193,8 +191,8 @@ void ShowImPlotDemoWindow(bool* p_open) {
float xs[5] = {1,2,3,4,5};
float lin[5] = {8,8,9,7,8};
float bar[5] = {1,2,5,3,4};
float err1[5] = {0.2, 0.4, 0.2, 0.6, 0.4};
float err2[5] = {0.4, 0.2, 0.4, 0.8, 0.6};
float err1[5] = {0.2f, 0.4f, 0.2f, 0.6f, 0.4f};
float err2[5] = {0.4f, 0.2f, 0.4f, 0.8f, 0.6f};
ImGui::SetNextPlotRange(0, 6, 0, 10);
if (ImGui::BeginPlot("##ErrorBars",NULL,NULL,ImVec2(-1,300))) {
@ -212,6 +210,38 @@ void ShowImPlotDemoWindow(bool* p_open) {
ImGui::EndPlot();
}
}
//-------------------------------------------------------------------------
if (ImGui::CollapsingHeader("Pie Charts")) {
static char* labels1[] = {"Frogs","Hogs","Dogs","Logs"};
static float pre_normalized[] = {0.15f, 0.30f, 0.45f, 0.10f};
ImVec2 center(0.5f,0.5f); // in plot units, not pixels
float radius = 0.4f; // in plot units, not pixels
SetNextPlotRange(0,1,0,1,ImGuiCond_Always);
if (ImGui::BeginPlot("##Pie1", NULL, NULL, ImVec2(250,250), ImPlotFlags_Legend, 0, 0)) {
ImGui::PlotPieChart(labels1, pre_normalized, 4, center, radius);
ImGui::EndPlot();
}
ImGui::SameLine();
static ImVec4 YlOrRd[5] = {
{1.0000f, 1.0000f, 0.8000f, 1.0f},
{0.9961f, 0.8510f, 0.4627f, 1.0f},
{0.9961f, 0.6314f, 0.2627f, 1.0f},
{0.9882f, 0.3059f, 0.1647f, 1.0f},
{0.7412f, 0.0f, 0.1490f, 1.0f},
};
ImGui::SetPlotPalette(YlOrRd, 5);
SetNextPlotRange(0,1,0,1,ImGuiCond_Always);
static char* labels2[] = {"One","Two","Three","Four","Five"};
static float not_normalized[] = {1,2,3,4,5};
if (ImGui::BeginPlot("##Pie2", NULL, NULL, ImVec2(250,250), ImPlotFlags_Legend, 0, 0)) {
ImGui::PlotPieChart(labels2, not_normalized, 5, center, radius);
ImGui::EndPlot();
}
ImGui::RestorePlotPalette();
}
//-------------------------------------------------------------------------
if (ImGui::CollapsingHeader("Realtime Plots")) {
ImGui::BulletText("Move your mouse to change the data!");
@ -532,12 +562,13 @@ void ShowImPlotDemoWindow(bool* p_open) {
static BenchmarkItem items[n_items];
ImGui::BulletText("Make sure VSync is disabled.");
ImGui::BulletText("%d lines with %d points each @ %.3f FPS.",n_items,1000,ImGui::GetIO().Framerate);
if (ImGui::BeginPlot("##Bench",NULL,NULL,{-1,300})) {
SetNextPlotRange(0,1,0,1, ImGuiCond_Always);
if (ImGui::BeginPlot("##Bench",NULL,NULL,{-1,300},ImPlotFlags_Default | ImPlotFlags_NoChild)) {
char buff[16];
for (int i = 0; i < 100; ++i) {
sprintf(buff, "item_%d",i);
ImGui::PushPlotColor(ImPlotCol_Line, items[i].Col);
ImGui::Plot(buff, items[i].Xs, items[i].Ys, 1000);
ImGui::Plot(buff, items[i].Data, 1000);
ImGui::PopPlotColor();
}
ImGui::EndPlot();