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57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#ifdef IMGUI_ENABLED
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#include <AzCore/Math/Color.h>
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#include <AzCore/std/containers/vector.h>
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#include <AzCore/std/containers/unordered_map.h>
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#include <imgui/imgui.h>
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#include <LYImGuiUtils/HistogramContainer.h>
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namespace ImGui::LYImGuiUtils
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{
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//! Helper for a group containing several histograms.
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//! The group is shown using collapsible header.
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class HistogramGroup
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{
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public:
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HistogramGroup() = default;
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HistogramGroup(const char* name, int histogramBinCount);
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void OnImGuiUpdate();
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void PushHistogramValue(const char* valueName, float value, const AZ::Color& color);
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const char* GetName() const { return m_name.c_str(); }
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const AZStd::string& GetNameString() const { return m_name; }
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void SetName(AZStd::string name) { m_name = name; }
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void SetHistogramBinCount(int count) { m_histogramBinCount = count; }
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ImGui::LYImGuiUtils::HistogramContainer* FindContainerByName(const char* name);
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//! Needs to be public for l-value access for ImGui::MenuItem()
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bool m_show = true;
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private:
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AZStd::string m_name; //< The name shown in the collapsible header.
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int m_histogramBinCount = 100; //< The number of bins in the histogram.
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using HistogramIndexByNames = AZStd::unordered_map<const char*, size_t>;
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HistogramIndexByNames m_histogramIndexByName; //< Look-up table for the histogram index by name.
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AZStd::vector<ImGui::LYImGuiUtils::HistogramContainer> m_histograms; //< Owns the histogram containers.
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static constexpr float s_histogramHeight = 85.0f;
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};
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} // namespace ImGui::LYImGuiUtils
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#endif // IMGUI_ENABLED
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