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25
26 #include "timelineoverviewrenderer_p.h"
27 #include "timelinerenderstate.h"
28
29 namespace Timeline {
30
TimelineOverviewRenderer(QQuickItem * parent)31 TimelineOverviewRenderer::TimelineOverviewRenderer(QQuickItem *parent) :
32 TimelineAbstractRenderer(*(new TimelineOverviewRendererPrivate), parent)
33 {
34 }
35
TimelineOverviewRendererPrivate()36 TimelineOverviewRenderer::TimelineOverviewRendererPrivate::TimelineOverviewRendererPrivate() :
37 renderState(nullptr)
38 {
39 }
40
~TimelineOverviewRendererPrivate()41 TimelineOverviewRenderer::TimelineOverviewRendererPrivate::~TimelineOverviewRendererPrivate()
42 {
43 delete renderState;
44 }
45
updatePaintNode(QSGNode * oldNode,UpdatePaintNodeData * updatePaintNodeData)46 QSGNode *TimelineOverviewRenderer::updatePaintNode(QSGNode *oldNode,
47 UpdatePaintNodeData *updatePaintNodeData)
48 {
49 Q_D(TimelineOverviewRenderer);
50
51 if (!d->model || d->model->isEmpty() || !d->zoomer || d->zoomer->traceDuration() <= 0) {
52 delete oldNode;
53 return nullptr;
54 }
55
56 if (d->modelDirty) {
57 delete d->renderState;
58 d->renderState = nullptr;
59 }
60
61 if (d->renderState == nullptr) {
62 d->renderState = new TimelineRenderState(d->zoomer->traceStart(), d->zoomer->traceEnd(),
63 1.0, d->renderPasses.size());
64 }
65
66 float xSpacing = static_cast<float>(width() / d->zoomer->traceDuration());
67 float ySpacing = static_cast<float>(
68 height() / (d->model->collapsedRowCount() * TimelineModel::defaultRowHeight()));
69
70 for (int i = 0; i < d->renderPasses.length(); ++i) {
71 d->renderState->setPassState(i, d->renderPasses[i]->update(this, d->renderState,
72 d->renderState->passState(i),
73 0, d->model->count(), true,
74 xSpacing));
75 }
76
77 if (d->renderState->isEmpty())
78 d->renderState->assembleNodeTree(d->model, d->model->height(), 0);
79
80 TimelineAbstractRenderer::updatePaintNode(nullptr, updatePaintNodeData);
81
82 QMatrix4x4 matrix;
83 matrix.scale(xSpacing, ySpacing, 1);
84 return d->renderState->finalize(oldNode, false, matrix);
85 }
86
87 }
88
89