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improve candlestick demo

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This commit is contained in:
epezent 2020-08-18 11:17:16 -05:00
parent 017a273862
commit 0926677b52
1 changed files with 6 additions and 4 deletions
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10
implot_demo.cpp
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@ -1091,16 +1091,18 @@ void PlotCandlestick(const char* label_id, const double* xs, const double* opens
// get ImGui window DrawList
ImDrawList* draw_list = ImGui::GetWindowDrawList();
// push clip rect for the current plot
double half_width = (xs[1] - xs[0]) * width_percent;
ImPlot::PushPlotClipRect();
// calc real value width
double half_width = count > 1 ? (xs[1] - xs[0]) * width_percent : width_percent;
// render data
for (int i = 0; i < count; ++i) {
ImVec2 open_pos = ImPlot::PlotToPixels(xs[i] - half_width, opens[i]);
ImVec2 close_pos = ImPlot::PlotToPixels(xs[i] + half_width, closes[i]);
ImVec2 low_pos = ImPlot::PlotToPixels(xs[i], lows[i]);
ImVec2 high_pos = ImPlot::PlotToPixels(xs[i], highs[i]);
ImU32 col = ImGui::GetColorU32(opens[i] > closes[i] ? bearCol : bullCol);
draw_list->AddLine(low_pos, high_pos, col);
draw_list->AddRectFilled(open_pos, close_pos, col);
ImU32 color = ImGui::GetColorU32(opens[i] > closes[i] ? bearCol : bullCol);
draw_list->AddLine(low_pos, high_pos, color);
draw_list->AddRectFilled(open_pos, close_pos, color);
}
// pop clip rect for the current plot
ImPlot::PopPlotClipRect();