mirror of
https://github.com/UpsilonNumworks/Upsilon.git
synced 2026-01-20 01:08:15 +01:00
50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
#ifndef SHARED_STORAGE_FUNCTION_BANNER_DELEGATE_H
|
|
#define SHARED_STORAGE_FUNCTION_BANNER_DELEGATE_H
|
|
|
|
#include "banner_view.h"
|
|
#include "curve_view_cursor.h"
|
|
#include "poincare_helpers.h"
|
|
#include "../constant.h"
|
|
|
|
namespace Shared {
|
|
|
|
template<class T>
|
|
class StorageFunctionBannerDelegate {
|
|
public:
|
|
constexpr static int k_maxNumberOfCharacters = 50;
|
|
constexpr static int k_maxDigitLegendLength = 11;
|
|
protected:
|
|
void reloadBannerViewForCursorOnFunction(CurveViewCursor * cursor, T * function, char symbol) {
|
|
char buffer[k_maxNumberOfCharacters+Poincare::PrintFloat::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits)];
|
|
const char * space = " ";
|
|
int spaceLength = strlen(space);
|
|
const char * legend = "0=";
|
|
int legendLength = strlen(legend);
|
|
int numberOfChar = 0;
|
|
strlcpy(buffer, legend, legendLength+1);
|
|
numberOfChar += legendLength;
|
|
buffer[0] = symbol;
|
|
numberOfChar += PoincareHelpers::ConvertFloatToText<double>(cursor->x(), buffer+numberOfChar, Poincare::PrintFloat::bufferSizeForFloatsWithPrecision(Constant::MediumNumberOfSignificantDigits), Constant::MediumNumberOfSignificantDigits);
|
|
strlcpy(buffer+numberOfChar, space, spaceLength+1);
|
|
buffer[k_maxDigitLegendLength+2] = 0;
|
|
bannerView()->setLegendAtIndex(buffer, 0);
|
|
|
|
numberOfChar = 0;
|
|
legend = "0(x)=";
|
|
legendLength = strlen(legend);
|
|
numberOfChar += legendLength;
|
|
strlcpy(buffer, legend, legendLength+1);
|
|
buffer[2] = symbol;
|
|
buffer[0] = function->name()[0];
|
|
numberOfChar += PoincareHelpers::ConvertFloatToText<double>(cursor->y(), buffer+legendLength, Poincare::PrintFloat::bufferSizeForFloatsWithPrecision(Constant::MediumNumberOfSignificantDigits), Constant::MediumNumberOfSignificantDigits);
|
|
strlcpy(buffer+numberOfChar, space, spaceLength+1);
|
|
buffer[k_maxDigitLegendLength+5] = 0;
|
|
bannerView()->setLegendAtIndex(buffer, 1);
|
|
}
|
|
virtual BannerView * bannerView() = 0;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|