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Implemented mirrorHorizontally() and mirrorVertically()

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Daniel Brunner
2017-08-20 19:05:52 +02:00
parent 9868fd49fb
commit 0fddae5cc7
1 changed files with 18 additions and 3 deletions
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21
fixedsizematrix.h
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@@ -3,6 +3,7 @@
#include <array> #include <array>
#include <assert.h> #include <assert.h>
#include <algorithm>
template<typename T, unsigned int width, unsigned int height> template<typename T, unsigned int width, unsigned int height>
class FixedSizeMatrix class FixedSizeMatrix
@@ -108,19 +109,33 @@ void FixedSizeMatrix<T, width, height>::rotateRight()
template<typename T, unsigned int width, unsigned int height> template<typename T, unsigned int width, unsigned int height>
void FixedSizeMatrix<T, width, height>::rotate180() void FixedSizeMatrix<T, width, height>::rotate180()
{ {
//TODO //for(unsigned int y = 0; y < height / 2; y++)
// for(unsigned int x = 0; x < width; x++)
// std::swap(m_data[height-y-1][width-x-1], m_data[y][x]);
mirrorHorizontally();
mirrorVertically();
} }
template<typename T, unsigned int width, unsigned int height> template<typename T, unsigned int width, unsigned int height>
void FixedSizeMatrix<T, width, height>::mirrorHorizontally() void FixedSizeMatrix<T, width, height>::mirrorHorizontally()
{ {
//TODO //for(unsigned int y = 0; y < height / 2; y++)
// for(unsigned int x = 0; x < width; x++)
// std::swap(m_data[height-y-1][x], m_data[y][x]);
std::reverse(std::begin(m_data), std::end(m_data));
} }
template<typename T, unsigned int width, unsigned int height> template<typename T, unsigned int width, unsigned int height>
void FixedSizeMatrix<T, width, height>::mirrorVertically() void FixedSizeMatrix<T, width, height>::mirrorVertically()
{ {
//TODO //for(unsigned int y = 0; y < height; y++)
// for(unsigned int x = 0; x < width / 2; x++)
// std::swap(m_data[y][width-x-1], m_data[y][x]);
for(unsigned int y = 0; y < height; y++)
std::reverse(std::begin(m_data[y]), std::end(m_data[y]));
} }
template<typename T, unsigned int width, unsigned int height> template<typename T, unsigned int width, unsigned int height>