tempo-plotter Changeset - 5359dc2b157d · protofusion repositories

Changeset - 5359dc2b157d

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Hasan Yavuz ÖZDERYA - 8 years ago 2017-08-27 13:19:23
hy@ozderya.net

fix plotting glitch caused by integer overflow

2 files changed with 5 insertions and 5 deletions:

src/framebufferseries.cpp

src/framebufferseries.h

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src/framebufferseries.cpp

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@@ @@ -24,13 +24,13 @@ FrameBufferSeries::FrameBufferSeries(Fra @@
+{
     xAsIndex = true;
     _xmin = 0;
     _xmax = 1;
     _buffer = buffer;
     int_index_start = 0;
-    int_index_end = 0;
+    int_index_end = _buffer->size();
+}
 void FrameBufferSeries::setXAxis(bool asIndex, double xmin, double xmax)
+{
     xAsIndex = asIndex;
     _xmin = xmin;
@@ @@ -82,9 +82,9 @@ void FrameBufferSeries::setRectOfInteres @@
         double xsize = _xmax - _xmin;
         size_t bsize = _buffer->size();
         int_index_start =  floor(bsize * (rect.left()-_xmin) / xsize)-1;
         int_index_end = ceil(bsize * (rect.right()-_xmin) / xsize)+1;
+    }
     int_index_start = std::max(int_index_start, (size_t) 0);
     int_index_end = std::min(_buffer->size(), int_index_end);
     int_index_start = std::max(int_index_start, 0);
     int_index_end = std::min((int) _buffer->size(), int_index_end);
+}

src/framebufferseries.h

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@@ @@ -49,11 +49,11 @@ public: @@
 private:
     FrameBuffer* _buffer;
     bool xAsIndex;
     double _xmin;
     double _xmax;
     size_t int_index_start; ///< starting index of "rectangle of interest"
     size_t int_index_end;   ///< ending index of "rectangle of interest"
     int int_index_start; ///< starting index of "rectangle of interest"
     int int_index_end;   ///< ending index of "rectangle of interest"
 };
 #endif // FRAMEBUFFERSERIES_H

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