ImGuiSCCViewer.cc

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#include "ImGuiSCCViewer.hh"
#include "MSXMotherBoard.hh"
#include "MSXDevice.hh"
#include "SoundDevice.hh"
#include "MSXMixer.hh"
#include "SCC.hh"
 
namespace openmsx {
 
ImGuiSCCViewer::ImGuiSCCViewer(ImGuiManager& manager_)
        : ImGuiPart(manager_)
{
}
 
 
void paintSCC(const SCC& scc);
 
void ImGuiSCCViewer::paint(MSXMotherBoard* motherBoard)
{
        if (!show) return;
        if (!motherBoard) return;
 
        im::Window("SCC Viewer", &show, [&] {
                bool noDevices = true;
                for (auto& info: motherBoard->getMSXMixer().getDeviceInfos()) {
                        if (auto* device = dynamic_cast<SCC*>(info.device)) {
                                noDevices = false;
                                paintSCC(*device);
                        }
                }
                if (noDevices) {
                        ImGui::TextUnformatted("No SCC devices currently present in the system.");
                }
 
        });
}
 
void paintSCC(const SCC& scc) {
        im::TreeNode(scc.getName().c_str(), ImGuiTreeNodeFlags_DefaultOpen, [&] {
                const auto& waveData = scc.getWaveData();
                for (auto [channelNr, channelWaveData] : enumerate(waveData)) {
                        auto getFloatData = [](void* data, int idx) {
                                return float(static_cast<const int8_t*>(data)[idx]);
                        };
                        const auto scale = 2.0f;
                        auto size = scale * gl::vec2{32.0f, 64.0f} + 2.0f * gl::vec2(ImGui::GetStyle().FramePadding);
                        ImGui::PlotHistogram("",
                                getFloatData,
                                const_cast<int8_t*>(channelWaveData.data()),
                                channelWaveData.size(),
                                0, nullptr,
                                -128.0f, 127.0f,
                                size);
                        if (channelNr < (waveData.size() - 1)) ImGui::SameLine();
                }
        });
}
 
} // namespace openmsx