tempo-plotter Changeset - 6277a01c3a8b · protofusion repositories

Changeset - 6277a01c3a8b

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Hasan Yavuz ÖZDERYA - 10 years ago 2015-09-19 17:21:51
hy@ozderya.net

revert frame buffer changes

2 files changed with 4 insertions and 4 deletions:

framebuffer.cpp

framebuffer.h

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framebuffer.cpp

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@@ @@ -36,25 +36,25 @@ FrameBuffer::~FrameBuffer() @@
 void FrameBuffer::resize(size_t size)
+{
     int offset = size - _size;
     if (offset == 0) return;
     double* newData = new double[size];
     // move data to new array
     int fill_start = offset > 0 ? offset : 0;
     for (int i = fill_start; i < int(size); i++)
+    {
-        newData[i] = sampleY(i - offset);
+        newData[i] = _sample(i - offset);
+    }
     // fill the beginning of the new data
     if (fill_start > 0)
+    {
         for (int i = 0; i < fill_start; i++)
+        {
             newData[i] = 0;
+        }
+    }
     // data is ready, clean and re-point
@@ @@ -134,26 +134,26 @@ void FrameBuffer::addSamples(double* sam @@
 void FrameBuffer::clear()
+{
     for (size_t i=0; i < _size; i++) data[i] = 0.;
+}
 size_t FrameBuffer::size() const
+{
     return _size;
+}
 QPointF FrameBuffer::sample(size_t i) const
+{
-    return QPointF(i, sampleY(i));
+    return QPointF(i, _sample(i));
+}
 QRectF FrameBuffer::boundingRect() const
+{
     return _boundingRect;
+}
-double FrameBuffer::sampleY(size_t i) const
+double FrameBuffer::_sample(size_t i) const
+{
     size_t index = headIndex + i;
     if (index >= _size) index -= _size;
     return data[index];
+}

framebuffer.h

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@@ @@ -28,25 +28,25 @@ class FrameBuffer : public QwtSeriesData @@
+{
 public:
     FrameBuffer(size_t size);
     ~FrameBuffer();
     void resize(size_t size);
     void addSamples(double* samples, size_t size);
     void clear(); // fill 0
     // QwtSeriesData implementations
     size_t size() const;
     QPointF sample(size_t i) const;
     double sampleY(size_t i) const;
     QRectF boundingRect() const;
 private:
     size_t _size; // size of `data`
     double* data;
     size_t headIndex; // indicates the actual `0` index of the ring buffer
     QRectF _boundingRect;
     double _sample(size_t i) const;
 };
 #endif // FRAMEBUFFER_H

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