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[apps] Shared: Break function_graph_controller into 2 classes: function_banner_delegate and function_graph_controller

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This commit is contained in:
Émilie Feral
2018-01-09 11:52:29 +01:00
committed by EmilieNumworks
parent 3a1d652a07
commit 85abdbcafb
8 changed files with 61 additions and 37 deletions
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36
apps/shared/function_banner_delegate.cpp Normal file
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#include "function_banner_delegate.h"
#include "../constant.h"
using namespace Poincare;
namespace Shared {
void FunctionBannerDelegate::reloadBannerViewForCursorOnFunction(CurveViewCursor * cursor, Function * function, char symbol) {
char buffer[k_maxNumberOfCharacters+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 += Complex<float>::convertFloatToText(cursor->x(), buffer+numberOfChar, PrintFloat::bufferSizeForFloatsWithPrecision(Constant::MediumNumberOfSignificantDigits), Constant::MediumNumberOfSignificantDigits);
strlcpy(buffer+numberOfChar, space, spaceLength+1);
buffer[k_maxLegendLength] = 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 += Complex<float>::convertFloatToText(cursor->y(), buffer+legendLength, PrintFloat::bufferSizeForFloatsWithPrecision(Constant::MediumNumberOfSignificantDigits), Constant::MediumNumberOfSignificantDigits);
strlcpy(buffer+numberOfChar, space, spaceLength+1);
buffer[k_maxLegendLength] = 0;
bannerView()->setLegendAtIndex(buffer, 1);
}
}