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Applied patch #1875242 - fixing more bugs related to using OS/2's DevQueryCaps

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@51287 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Neis
2008-01-19 14:10:36 +00:00
parent 479ba6e11e
commit 0ed66b8299
2 changed files with 30 additions and 21 deletions
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38
src/os2/dc.cpp
View File

@@ -513,16 +513,16 @@ bool wxDC::CanGetTextExtent() const
int wxDC::GetDepth() const int wxDC::GetDepth() const
{ {
LONG lArray[CAPS_COLOR_BITCOUNT]; LONG lCapsColorBitcount;
int nBitsPerPixel = 0; int nBitsPerPixel = 0;
if(::DevQueryCaps( GetHDC() if(::DevQueryCaps( GetHDC()
,CAPS_FAMILY
,CAPS_COLOR_BITCOUNT ,CAPS_COLOR_BITCOUNT
,lArray ,1L
,&lCapsColorBitcount
)) ))
{ {
nBitsPerPixel = (int)lArray[CAPS_COLOR_BITCOUNT]; nBitsPerPixel = (int)lCapsColorBitcount;
} }
return nBitsPerPixel; return nBitsPerPixel;
} // end of wxDC::GetDepth } // end of wxDC::GetDepth
@@ -2712,55 +2712,59 @@ bool wxDC::DoBlit( wxCoord vXdest,
void wxDC::DoGetSize( int* pnWidth, void wxDC::DoGetSize( int* pnWidth,
int* pnHeight ) const int* pnHeight ) const
{ {
LONG lArray[CAPS_HEIGHT]; LONG lArray[CAPS_HEIGHT+1];
if(::DevQueryCaps( m_hDC if(::DevQueryCaps( m_hDC
,CAPS_FAMILY ,CAPS_FAMILY
,CAPS_HEIGHT ,CAPS_HEIGHT+1
,lArray ,lArray
)) ))
{ {
*pnWidth = lArray[CAPS_WIDTH]; if (pnWidth)
*pnHeight = lArray[CAPS_HEIGHT]; *pnWidth = lArray[CAPS_WIDTH];
if (pnHeight)
*pnHeight = lArray[CAPS_HEIGHT];
} }
}; // end of wxDC::DoGetSize( }; // end of wxDC::DoGetSize(
void wxDC::DoGetSizeMM( int* pnWidth, void wxDC::DoGetSizeMM( int* pnWidth,
int* pnHeight ) const int* pnHeight ) const
{ {
LONG lArray[CAPS_VERTICAL_RESOLUTION]; LONG lArray[CAPS_VERTICAL_RESOLUTION+1];
if(::DevQueryCaps( m_hDC if(::DevQueryCaps( m_hDC
,CAPS_FAMILY ,CAPS_FAMILY
,CAPS_VERTICAL_RESOLUTION ,CAPS_VERTICAL_RESOLUTION+1
,lArray ,lArray
)) ))
{ {
if(pnWidth) if(pnWidth)
{ {
int nWidth = lArray[CAPS_WIDTH]; int nWidth = lArray[CAPS_WIDTH];
int nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter int nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
*pnWidth = (nHorzRes/1000) * nWidth; // use fp to avoid returning 0 if nHorzRes < 1000
*pnWidth = (int)((nHorzRes/1000.0) * nWidth);
} }
if(pnHeight) if(pnHeight)
{ {
int nHeight = lArray[CAPS_HEIGHT]; int nHeight = lArray[CAPS_HEIGHT];
int nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter int nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter
*pnHeight = (nVertRes/1000) * nHeight; // use fp to avoid returning 0 if nVertRes < 1000
*pnHeight = (int)((nVertRes/1000.0) * nHeight);
} }
} }
}; // end of wxDC::DoGetSizeMM }; // end of wxDC::DoGetSizeMM
wxSize wxDC::GetPPI() const wxSize wxDC::GetPPI() const
{ {
LONG lArray[CAPS_VERTICAL_RESOLUTION]; LONG lArray[CAPS_VERTICAL_RESOLUTION+1];
int nWidth = 0; int nWidth = 0;
int nHeight = 0; int nHeight = 0;
if(::DevQueryCaps( m_hDC if(::DevQueryCaps( m_hDC
,CAPS_FAMILY ,CAPS_FAMILY
,CAPS_VERTICAL_RESOLUTION ,CAPS_VERTICAL_RESOLUTION+1
,lArray ,lArray
)) ))
{ {

13
src/os2/fontutil.cpp
View File

@@ -281,11 +281,16 @@ void wxConvertVectorFontSize(
// NOTE: 1 point == 1/72 of an inch. // NOTE: 1 point == 1/72 of an inch.
// //
vSizef.cx = (FIXED)(((fxPointSize) / 72 ) * lXFontResolution ); // multiply first to avoid getting vSizef.cx,cy = 0 since fxPointSize
vSizef.cy = (FIXED)(((fxPointSize) / 72 ) * lYFontResolution ); // is normally < 72 and FontResolution is typically ca. 100
vSizef.cx = (FIXED)( (fxPointSize * lXFontResolution) / 72 );
vSizef.cy = (FIXED)( (fxPointSize * lYFontResolution) / 72 );
pFattrs->lMaxBaselineExt = MAKELONG( HIUSHORT( vSizef.cy ), 0 ); if (pFattrs)
pFattrs->lAveCharWidth = MAKELONG( HIUSHORT( vSizef.cx ), 0 ); {
pFattrs->lMaxBaselineExt = MAKELONG( HIUSHORT( vSizef.cy ), 0 );
pFattrs->lAveCharWidth = MAKELONG( HIUSHORT( vSizef.cx ), 0 );
}
WinReleasePS(hPS); WinReleasePS(hPS);
} // end of wxConvertVectorPointSize } // end of wxConvertVectorPointSize