106 lines
3.4 KiB
C++
106 lines
3.4 KiB
C++
#pragma once
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#include <QTime>
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#include "../RenderAble.h"
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namespace YSG {
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void LIB_DECL startAllRenderThread();
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class TimerThread;
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struct PlotPrivate;
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// 此锁用于锁住从mSet里第一个元素，到最后一个元素的渲染过程 用于时间同步
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// mSet 里的元素修改前 加上此锁，可保证 所有的这个元素组数据同步
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class LIB_DECL PrePareMutiDataMutex {
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public:
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SpinLock mRangeLock;
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QSet<RenderAble*> mSet;
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QVector<RenderAble*> mList;
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// lock，unlock都只在Plot渲染函数render里调用 一个线程，所以不用加锁
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std::chrono::system_clock::time_point start;
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void lock(RenderAble* a) {
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if(mList.empty()) {
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mRangeLock.lock();
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start = std::chrono::system_clock::now();
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//qDebug() << "lock " << QTime::currentTime().toString("ss:zzz");
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mList.reserve(mSet.size());
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for(RenderAble* that : mSet) {
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mList.append(that);
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}
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}
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mList.removeOne(a);
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}
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void unlock() {
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if(mList.empty()) {
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//qDebug() << "unlock " << QTime::currentTime().toString("ss:zzz");
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mRangeLock.unlock();
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double duration = std::chrono::duration<double>(std::chrono::system_clock::now() - start).count() * 1000;
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//qDebug() << "duration == " << duration;
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}
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}
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};
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class PerformanceShower;
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class LIB_DECL Plot : public QWidget {
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Q_OBJECT
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public:
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bool usePerformanceShower();
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void set_usePerformanceShower(bool use);
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void bindRenderThread(const QString& threadName);
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virtual void init() {
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initLayer();
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}
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void render();
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QColor backgroundColor();
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bool mFirstResize = true, mFirstPrepareData = true;
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void setBackgroundColor(const QColor& color) const;
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void markRenderStateDirty();
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void requestRender();
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struct Layer {
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QString mLayerName;
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QVector<RenderAble*> mRenderAbles;
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};
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QString mObjectName;
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QList<Layer*> mLayerList;
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QString mDefaultLayerName;
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virtual void initLayer() {
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auto addLayer = [this](QString&& name) {
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auto layer = new Layer;
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layer->mLayerName = name;
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mLayerList.append(layer);
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mLayerMap[name] = layer;
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};
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addLayer("background");
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addLayer("plottable");
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addLayer("axis");
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addLayer("legend");
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mDefaultLayerName = "plottable";
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}
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bool isRendering();
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void startRender(int refreshTimesPreSecond);
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void startRender() const;
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void pauseRender() const;
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QVector<PrePareMutiDataMutex*> mMutiSpinLock;
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Plot();
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~Plot() override;
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PlotPrivate *d{};
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private:
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QHash<QString, Layer*> mLayerMap;
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bool event(QEvent* event) final;
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void paintEvent(QPaintEvent* event) final;
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void scheduleRenderTimer();
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void submitRender();
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void finishRender();
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void requestUpdate(const QRegion& region);
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void renderColor(RenderAble::ColorBuffer* color, QSize size, QColor background, std::uint64_t version);
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friend class TimerThread;
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friend struct RenderAble;
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};
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}
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