58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
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#include "precomp.h"
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#include "findimgs.h"
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#include "ssutil.h"
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CFindImageFiles::CFindImageFiles(void)
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:m_nCurrentFile(0)
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{
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}
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CFindImageFiles::~CFindImageFiles(void)
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{
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}
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bool CFindImageFiles::NextFile( CSimpleString &strFilename )
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{
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bool bResult = false;
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strFilename = TEXT("");
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if (m_ImageFiles.Size())
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{
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if (m_nCurrentFile >= m_ImageFiles.Size())
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{
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m_nCurrentFile = 0;
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}
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strFilename = m_ImageFiles[m_nCurrentFile];
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m_nCurrentFile++;
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bResult = (strFilename.Length() != 0);
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}
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return(bResult);
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}
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bool CFindImageFiles::PreviousFile( CSimpleString &strFilename )
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{
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bool bResult = false;
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strFilename = TEXT("");
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if (m_ImageFiles.Size()==1)
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{
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m_nCurrentFile = 0;
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strFilename = m_ImageFiles[0];
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bResult = (strFilename.Length() != 0);
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}
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else if (m_ImageFiles.Size()>=2)
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{
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m_nCurrentFile--;
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if (m_nCurrentFile < 0)
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{
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m_nCurrentFile = m_ImageFiles.Size()-1;
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}
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int nPrevFile = m_nCurrentFile-1;
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if (nPrevFile < 0)
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{
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nPrevFile = m_ImageFiles.Size()-1;
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}
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strFilename = m_ImageFiles[nPrevFile];
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bResult = (strFilename.Length() != 0);
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}
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return(bResult);
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}
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