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Demo: PlotLine example displays the average value. (#2759) + extra comments

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This commit is contained in:
Hanif Bin Ariffin 2019-08-26 19:52:08 -04:00 committed by omar
parent c8418015c2
commit 45a0db5979
1 changed files with 14 additions and 1 deletions
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15
imgui_demo.cpp
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@ -1043,6 +1043,8 @@ static void ShowDemoWindowWidgets()
ImGui::TreePop(); ImGui::TreePop();
} }
// Plot/Graph widgets are currently fairly limited.
// Consider writing your own plotting widget, or using a third-party one (see "Wiki->Useful Widgets", or github.com/ocornut/imgui/issues/2747)
if (ImGui::TreeNode("Plots Widgets")) if (ImGui::TreeNode("Plots Widgets"))
{ {
static bool animate = true; static bool animate = true;
@ -1066,7 +1068,18 @@ static void ShowDemoWindowWidgets()
phase += 0.10f*values_offset; phase += 0.10f*values_offset;
refresh_time += 1.0f/60.0f; refresh_time += 1.0f/60.0f;
} }
ImGui::PlotLines("Lines", values, IM_ARRAYSIZE(values), values_offset, "avg 0.0", -1.0f, 1.0f, ImVec2(0,80));
// Plots can display overlay texts
// (in this example, we will display an average value)
{
float average = 0.0f;
for (int n = 0; n < IM_ARRAYSIZE(values); n++)
average += values[n];
average /= (float)IM_ARRAYSIZE(values);
char overlay[32];
sprintf(overlay, "avg %f", average);
ImGui::PlotLines("Lines", values, IM_ARRAYSIZE(values), values_offset, overlay, -1.0f, 1.0f, ImVec2(0,80));
}
ImGui::PlotHistogram("Histogram", arr, IM_ARRAYSIZE(arr), 0, NULL, 0.0f, 1.0f, ImVec2(0,80)); ImGui::PlotHistogram("Histogram", arr, IM_ARRAYSIZE(arr), 0, NULL, 0.0f, 1.0f, ImVec2(0,80));
// Use functions to generate output // Use functions to generate output