2016-04-15 19:44:40 +12:00
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#include <memory>
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2016-03-19 06:57:51 +13:00
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// SDirection.cpp: implementation of the CSDirection class.
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//
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//////////////////////////////////////////////////////////////////////
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#include <stdlib.h>
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#include <memory.h>
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#include "SDirection.h"
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#include "SError.h"
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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2016-04-15 19:44:40 +12:00
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CSDirection::CSDirection() : m_lX(0), m_lY(0), m_lDf(0)
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2016-03-19 06:57:51 +13:00
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{
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for (int i = 0; i < NBDIR; i++)
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m_df[i] = 0;
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}
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CSDirection::CSDirection(const int lX, const int lY, const UCHAR *sel,
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const int sens)
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2016-04-15 19:44:40 +12:00
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: m_lX(lX), m_lY(lY), m_lDf(0)
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2016-03-19 06:57:51 +13:00
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{
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for (int i = 0; i < NBDIR; i++)
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m_df[i] = 0;
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try {
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if (m_lX > 0 && m_lY > 0) {
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2016-04-15 19:44:40 +12:00
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m_dir.reset(new UCHAR[m_lX * m_lY]);
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2016-03-19 06:57:51 +13:00
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if (!m_dir) {
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null();
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throw SMemAllocError("in directionMap");
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}
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2016-04-15 19:44:40 +12:00
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memcpy(m_dir.get(), sel, sizeof(UCHAR) * m_lX * m_lY);
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2016-03-19 06:57:51 +13:00
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setDir01();
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// For optimalization purpose.
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// The quality is better, if it is removed.
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// setContourBorder(2);
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makeDirFilter(sens);
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}
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} catch (SMemAllocError) {
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throw;
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}
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}
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CSDirection::CSDirection(const int lX, const int lY, const UCHAR *sel,
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const int sens, const int border)
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2016-04-15 19:44:40 +12:00
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: m_lX(lX), m_lY(lY), m_lDf(0)
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2016-03-19 06:57:51 +13:00
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{
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for (int i = 0; i < NBDIR; i++)
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m_df[i] = 0;
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try {
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if (m_lX > 0 && m_lY > 0) {
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2016-04-15 19:44:40 +12:00
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m_dir.reset(new UCHAR[m_lX * m_lY]);
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2016-03-19 06:57:51 +13:00
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if (!m_dir) {
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null();
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throw SMemAllocError("in directionMap");
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}
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2016-04-15 19:44:40 +12:00
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memcpy(m_dir.get(), sel, sizeof(UCHAR) * m_lX * m_lY);
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2016-03-19 06:57:51 +13:00
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setDir01();
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if (border > 0)
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setContourBorder(border);
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makeDirFilter(sens);
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}
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} catch (SMemAllocError) {
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throw;
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}
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}
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bool CSDirection::isContourBorder(const int xx, const int yy,
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const int border)
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{
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for (int y = yy - border; y <= (yy + border); y++)
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for (int x = xx - border; x <= (xx + border); x++)
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if (x >= 0 && y >= 0 && x < m_lX && y < m_lY)
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2016-04-15 19:44:40 +12:00
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if (*(m_dir.get() + y * m_lX + x) == (UCHAR)0)
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return true;
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return false;
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}
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void CSDirection::setContourBorder(const int border)
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{
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UCHAR *pDir = m_dir.get();
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2016-03-19 06:57:51 +13:00
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int y = 0;
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for (y = 0; y < m_lY; y++)
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for (int x = 0; x < m_lX; x++, pDir++)
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if (*pDir == (UCHAR)1)
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if (!isContourBorder(x, y, border))
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*pDir = (UCHAR)2;
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int xy = m_lX * m_lY;
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pDir = m_dir.get();
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2016-03-19 06:57:51 +13:00
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for (y = 0; y < xy; y++, pDir++)
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*pDir = *pDir == (UCHAR)2 ? (UCHAR)0 : *pDir;
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}
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void CSDirection::null()
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{
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2016-04-15 19:44:40 +12:00
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m_dir.reset();
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for (auto&& df : m_df) {
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df.reset();
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2016-03-19 06:57:51 +13:00
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}
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m_lX = m_lY = 0;
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m_lDf = 0;
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}
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CSDirection::~CSDirection()
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{
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null();
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}
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double CSDirection::adjustAngle(const short sum[4], const int Ima,
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const int Im45, const int Ip45)
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{
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short ma = MAX(sum[Im45], sum[Ip45]);
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if (ma < 0)
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return 0.0;
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if ((double)ma < (double)sum[Ima] / 10.0)
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return 0.0;
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if (((double)abs(sum[Im45] - sum[Ip45]) / (double)ma) < 0.5)
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return 0.0;
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double d = 45.0 * (double)ma / (double)(sum[Ima] + ma);
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if (ma == sum[Im45])
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return -d;
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return d;
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}
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double CSDirection::getAngle(const short sum[4], short ma)
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{
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int nbMax = ma == sum[0] ? 1 : 0;
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nbMax = ma == sum[1] ? nbMax + 1 : nbMax;
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nbMax = ma == sum[2] ? nbMax + 1 : nbMax;
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nbMax = ma == sum[3] ? nbMax + 1 : nbMax;
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double diff = 50.0;
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if (nbMax == 1) {
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double angle, corrAngle;
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if (ma == sum[0]) {
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angle = 0.0;
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corrAngle = adjustAngle(sum, 0, 3, 1);
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if (corrAngle < 0.0)
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angle = 180.0;
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} else if (ma == sum[1]) {
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angle = 45.0;
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corrAngle = adjustAngle(sum, 1, 0, 2);
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} else if (ma == sum[2]) {
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angle = 90.0;
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corrAngle = adjustAngle(sum, 2, 1, 3);
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} else {
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angle = 135.0;
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corrAngle = adjustAngle(sum, 3, 2, 0);
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}
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return angle + corrAngle + diff;
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}
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///* ?????????????????????? kiprobalni
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if (nbMax == 2) {
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if (ma == sum[0] && ma == sum[1])
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return 22.5 + diff;
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if (ma == sum[0] && ma == sum[3])
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return 157.5 + diff;
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if (ma == sum[1] && ma == sum[2])
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return 67.5 + diff;
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if (ma == sum[2] && ma == sum[3])
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return 112.5 + diff;
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}
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//*/
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return 1.0;
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}
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UCHAR CSDirection::getDir(const int xx, const int yy, UCHAR *sel)
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{
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short sum[4] = {0, 0, 0, 0};
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short w = 0;
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for (int i = 0; i < m_lDf; i++) {
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int x = xx + m_df[0][i].x;
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int y = yy + m_df[0][i].y;
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if (y >= 0 && y < m_lY && x >= 0 && x < m_lX) {
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UCHAR *pSel = sel + y * m_lX + x;
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for (int j = 0; j < NBDIR; j++)
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sum[j] += (short)(*pSel) * m_df[j][i].w;
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w += (short)(*pSel);
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}
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}
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if (w == 0)
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return 0;
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short ma = MAX(MAX(MAX(sum[0], sum[1]), sum[2]), sum[3]);
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double angle = getAngle(sum, ma);
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//tmsg_info(" - dir - %d, %d, %d, %d angle=%f", sum[0],sum[1],sum[2],sum[3],
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// angle-50.0);
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return UC_ROUND(angle);
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}
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void CSDirection::makeDir(UCHAR *sel)
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{
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UCHAR *pSel = sel;
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2016-04-15 19:44:40 +12:00
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UCHAR *pDir = m_dir.get();
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2016-03-19 06:57:51 +13:00
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for (int y = 0; y < m_lY; y++)
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for (int x = 0; x < m_lX; x++, pSel++, pDir++) {
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*pDir = 0;
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if (*pSel > 0)
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*pDir = getDir(x, y, sel);
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}
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}
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UCHAR CSDirection::equalizeDir_GTE50(UCHAR *sel,
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const int xx, const int yy, const int d)
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{
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int sum = 0;
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int w = 0;
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int aa;
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aa = (int)*(sel + yy * m_lX + xx) - 50;
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for (int y = yy - d; y <= (yy + d); y++)
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for (int x = xx - d; x <= (xx + d); x++)
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if (x >= 0 && y >= 0 && x < m_lX && y < m_lY) {
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UCHAR *pSel = sel + y * m_lX + x;
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int a = (int)*pSel;
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if (a >= 50) {
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a -= 50;
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if (aa < 90 && a > 135) {
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a = -(180 - a);
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} else if (aa > 90 && a < 45) {
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a = 180 + a;
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}
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sum += a;
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w++;
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}
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}
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if (w > 0) {
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double q = (double)sum / (double)w;
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int a = I_ROUND(q);
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if (a >= 180) {
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a -= 180;
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} else if (a < 0) {
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a = 180 + a;
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}
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return (UCHAR)(a + 50);
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}
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return *(sel + yy * m_lX + xx);
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}
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UCHAR CSDirection::equalizeDir_LT50(UCHAR *sel,
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const int xx, const int yy, const int d)
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{
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int sum = 0;
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int w = 0;
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for (int y = yy - d; y <= (yy + d); y++)
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for (int x = xx - d; x <= (xx + d); x++)
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if (x >= 0 && y >= 0 && x < m_lX && y < m_lY) {
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int a = (int)*(sel + y * m_lX + x);
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if (a >= 50) {
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a -= 50;
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sum += a;
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w++;
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}
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}
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if (w > 0) {
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double q = (double)sum / (double)w;
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int a = I_ROUND(q);
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if (a >= 180) {
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a -= 180;
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} else if (a < 0) {
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a = 180 + a;
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}
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return (UCHAR)(a + 50);
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}
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return *(sel + yy * m_lX + xx);
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}
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void CSDirection::equalizeDir(UCHAR *sel, const int d)
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{
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UCHAR *pSel = sel;
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2016-04-15 19:44:40 +12:00
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UCHAR *pDir = m_dir.get();
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2016-03-19 06:57:51 +13:00
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for (int y = 0; y < m_lY; y++)
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for (int x = 0; x < m_lX; x++, pSel++) {
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if (*pSel > (UCHAR)0) {
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if (*pSel >= (UCHAR)50)
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*pDir = equalizeDir_GTE50(sel, x, y, d);
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else
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*pDir = equalizeDir_LT50(sel, x, y, d);
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} else
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*pDir = (UCHAR)0;
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}
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}
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UCHAR getRadius(const double angle, const double r[4])
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{
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double p, q;
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if (angle >= 0.0 && angle < 45.0) {
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q = angle / 45.0;
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p = r[0] * (1.0 - q) + r[1] * q;
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} else if (angle >= 45.0 && angle < 90.0) {
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q = (angle - 45.0) / 45.0;
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p = r[1] * (1.0 - q) + r[2] * q;
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} else if (angle >= 90.0 && angle < 135.0) {
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q = (angle - 90.0) / 45.0;
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p = r[2] * (1.0 - q) + r[3] * q;
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} else {
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q = (angle - 135.0) / 45.0;
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p = r[3] * (1.0 - q) + r[0] * q;
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}
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return (UCHAR)(1 + I_ROUND(p * 254.0));
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}
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void CSDirection::makeDirFilter(const int sens)
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{
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const int size = 2 * sens + 1;
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const int middle = size / 2;
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const int maxVal = size - 1;
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m_lDf = size * size;
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for (int i = 0; i < NBDIR; i++) {
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2016-04-15 19:44:40 +12:00
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m_df[i].reset(new SXYW[m_lDf]);
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2016-03-19 06:57:51 +13:00
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if (!m_df[i]) {
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null();
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throw SMemAllocError("in directionMap");
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}
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for (int y = 0; y < size; y++)
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for (int x = 0; x < size; x++) {
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int xy = y * size + x;
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m_df[i][xy].x = x - middle;
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m_df[i][xy].y = y - middle;
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switch (i) {
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case 0:
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// Horizontal
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m_df[i][xy].w = y == middle ? maxVal : -1;
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break;
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case 1:
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// Left - Right
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m_df[i][xy].w = x == y ? maxVal : -1;
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break;
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case 2:
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// Vertical
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m_df[i][xy].w = x == middle ? maxVal : -1;
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break;
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case 3:
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// Right - Left
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|
|
|
m_df[i][xy].w = (x + y) == (size - 1) ? maxVal : -1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
UCHAR CSDirection::blurRadius(UCHAR *sel, const int xx, const int yy, const int dBlur)
|
|
|
|
{
|
|
|
|
int sum, w;
|
|
|
|
|
|
|
|
sum = w = 0;
|
|
|
|
for (int y = yy - dBlur; y <= (yy + dBlur); y++)
|
|
|
|
for (int x = xx - dBlur; x <= (xx + dBlur); x++)
|
|
|
|
if (x >= 0 && y >= 0 && x < m_lX && y < m_lY) {
|
|
|
|
UCHAR *pSel = sel + y * m_lX + x;
|
|
|
|
if (*pSel > (UCHAR)0) {
|
|
|
|
sum += (int)(*pSel);
|
|
|
|
w++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (w > 0) {
|
|
|
|
double d = (double)sum / (double)w;
|
|
|
|
d = D_CUT_0_255(d);
|
|
|
|
return UC_ROUND(d);
|
|
|
|
}
|
|
|
|
return *(sel + yy * m_lX + xx);
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSDirection::blurRadius(const int dBlur)
|
|
|
|
{
|
|
|
|
if (m_lX > 0 && m_lY > 0 && m_dir) {
|
2016-04-15 19:44:40 +12:00
|
|
|
std::unique_ptr<UCHAR[]> sel(new UCHAR[m_lX * m_lY]);
|
2016-03-19 06:57:51 +13:00
|
|
|
if (!sel)
|
|
|
|
throw SMemAllocError("in directionMap");
|
2016-04-15 19:44:40 +12:00
|
|
|
memcpy(sel.get(), m_dir.get(), m_lX * m_lY * sizeof(UCHAR));
|
|
|
|
UCHAR *pSel = sel.get();
|
|
|
|
UCHAR *pDir = m_dir.get();
|
2016-03-19 06:57:51 +13:00
|
|
|
for (int y = 0; y < m_lY; y++)
|
|
|
|
for (int x = 0; x < m_lX; x++, pSel++, pDir++)
|
|
|
|
if (*pSel > (UCHAR)0)
|
2016-04-15 19:44:40 +12:00
|
|
|
*pDir = blurRadius(sel.get(), x, y, dBlur);
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSDirection::setDir01()
|
|
|
|
{
|
|
|
|
int xy = m_lX * m_lY;
|
2016-04-15 19:44:40 +12:00
|
|
|
UCHAR *pDir = m_dir.get();
|
2016-03-19 06:57:51 +13:00
|
|
|
for (int i = 0; i < xy; i++, pDir++)
|
|
|
|
*pDir = *pDir > (UCHAR)0 ? (UCHAR)1 : (UCHAR)0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSDirection::doDir()
|
|
|
|
{
|
|
|
|
if (m_lX > 0 && m_lY > 0 && m_dir) {
|
2016-04-15 19:44:40 +12:00
|
|
|
std::unique_ptr<UCHAR[]> sel(new UCHAR[m_lX * m_lY]);
|
2016-03-19 06:57:51 +13:00
|
|
|
if (!sel)
|
|
|
|
throw SMemAllocError("in directionMap");
|
|
|
|
size_t length = (size_t)(m_lX * m_lY * sizeof(UCHAR));
|
2016-04-15 19:44:40 +12:00
|
|
|
memcpy(sel.get(), m_dir.get(), length);
|
|
|
|
makeDir(sel.get());
|
|
|
|
memcpy(sel.get(), m_dir.get(), length);
|
|
|
|
equalizeDir(sel.get(), 3);
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSDirection::doRadius(const double rH, const double rLR,
|
|
|
|
const double rV, const double rRL, const int dBlur)
|
|
|
|
{
|
|
|
|
try {
|
|
|
|
int xy = m_lX * m_lY;
|
2016-04-15 19:44:40 +12:00
|
|
|
UCHAR *pDir = m_dir.get();
|
2016-03-19 06:57:51 +13:00
|
|
|
double r[4] = {D_CUT_0_1(rH), D_CUT_0_1(rLR), D_CUT_0_1(rV), D_CUT_0_1(rRL)};
|
|
|
|
|
|
|
|
for (int i = 0; i < xy; i++, pDir++)
|
|
|
|
if (*pDir < (UCHAR)50) {
|
|
|
|
*pDir = (UCHAR)0;
|
|
|
|
} else
|
|
|
|
*pDir = getRadius((double)(*pDir - 50), r);
|
|
|
|
|
|
|
|
if (dBlur > 0)
|
|
|
|
blurRadius(dBlur);
|
|
|
|
} catch (SMemAllocError) {
|
|
|
|
throw;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSDirection::getResult(UCHAR *sel)
|
|
|
|
{
|
2016-04-15 19:44:40 +12:00
|
|
|
memcpy(sel, m_dir.get(), (size_t)(m_lX * m_lY * sizeof(UCHAR)));
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|