binomial_coefficient_layout.h
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#ifndef POINCARE_BINOMIAL_COEFFICIENT_LAYOUT_H
#define POINCARE_BINOMIAL_COEFFICIENT_LAYOUT_H
#include <poincare/static_layout_hierarchy.h>
#include <poincare/layout_engine.h>
#include <poincare/print_float.h>
namespace Poincare {
class BinomialCoefficientLayout : public StaticLayoutHierarchy<2> {
public:
using StaticLayoutHierarchy::StaticLayoutHierarchy;
ExpressionLayout * clone() const override;
// Tree navigation
ExpressionLayoutCursor cursorLeftOf(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout) override;
ExpressionLayoutCursor cursorRightOf(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout) override;
ExpressionLayoutCursor cursorAbove(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout, bool equivalentPositionVisited = false) override;
ExpressionLayoutCursor cursorUnder(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout, bool equivalentPositionVisited = false) override;
// Serialization
int writeTextInBuffer(char * buffer, int bufferSize) const override {
return LayoutEngine::writePrefixExpressionLayoutTextInBuffer(this, buffer, bufferSize, "binomial");
}
protected:
void render(KDContext * ctx, KDPoint p, KDColor expressionColor, KDColor backgroundColor) override;
KDSize computeSize() override;
void computeBaseline() override;
KDPoint positionOfChild(ExpressionLayout * child) override;
private:
ExpressionLayout * nLayout() { return editableChild(0); }
ExpressionLayout * kLayout() { return editableChild(1); }
};
}
#endif