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[apps/calculation] ComplexGraphView: add the angle value on the graph

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This commit is contained in:
Émilie Feral
2019-10-14 13:26:51 +02:00
committed by Léa Saviot
parent 27618e20d1
commit bb8bf9862c
1 changed files with 10 additions and 0 deletions
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10
apps/calculation/additional_outputs/complex_graph_view.cpp
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@@ -1,6 +1,7 @@
#include "complex_graph_view.h"
using namespace Shared;
using namespace Poincare;
namespace Calculation {
@@ -38,6 +39,15 @@ void ComplexGraphView::drawRect(KDContext * ctx, KDRect rect) const {
drawLabel(ctx, rect, Axis::Vertical, imag);
drawAxisLabel(ctx, rect, Axis::Horizontal, "Re", real > 0.0f);
drawAxisLabel(ctx, rect, Axis::Vertical, "Im", imag > 0.0f);
char buffer[k_labelBufferMaxSize];
PrintFloat::ConvertFloatToText<float>(
std::arg(*m_complex),
buffer,
k_labelBufferMaxSize,
k_labelBufferMaxGlyphLength,
Poincare::Preferences::ShortNumberOfSignificantDigits,
Preferences::PrintFloatMode::Decimal);
ctx->drawString(buffer, KDPoint(floatToPixel(Axis::Horizontal, std::fabs(real)/2.0f)+KDFont::SmallFont->glyphSize().width(), floatToPixel(Axis::Vertical, 0.0f)-KDFont::SmallFont->glyphSize().height()), KDFont::SmallFont);
}
}