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Giac_maj/epsilon-giac/apps/shared/function_graph_view.cpp 1020 Bytes
6663b6c9   adorian   projet complet av...
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  #include "function_graph_view.h"
  #include <assert.h>
  #include <cmath>
  #include <float.h>
  using namespace Poincare;
  
  namespace Shared {
  
  FunctionGraphView::FunctionGraphView(InteractiveCurveViewRange * graphRange,
    CurveViewCursor * cursor, BannerView * bannerView, View * cursorView) :
    CurveView(graphRange, cursor, bannerView, cursorView),
    m_xLabels{},
    m_yLabels{},
    m_context(nullptr)
  {
  }
  
  void FunctionGraphView::drawRect(KDContext * ctx, KDRect rect) const {
    ctx->fillRect(rect, KDColorWhite);
    drawGrid(ctx, rect);
    drawAxes(ctx, rect, Axis::Horizontal);
    drawAxes(ctx, rect, Axis::Vertical);
    drawLabels(ctx, rect, Axis::Horizontal, true);
    drawLabels(ctx, rect, Axis::Vertical, true);
  }
  
  void FunctionGraphView::setContext(Context * context) {
    m_context = context;
  }
  
  Context * FunctionGraphView::context() const {
    return m_context;
  }
  
  char * FunctionGraphView::label(Axis axis, int index) const {
    return (axis == Axis::Horizontal ? (char *)m_xLabels[index] : (char *)m_yLabels[index]);
  }
  
  }