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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/trunk@51288 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Neis
2008-01-19 14:15:33 +00:00
parent be688455a4
commit ad8dd67e02
2 changed files with 31 additions and 22 deletions
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40
src/os2/dc.cpp
View File

@@ -501,16 +501,16 @@ bool wxPMDCImpl::CanGetTextExtent() const
int wxPMDCImpl::GetDepth() const
{
LONG lArray[CAPS_COLOR_BITCOUNT];
LONG lCapsColorBitcount;
int nBitsPerPixel = 0;
if(::DevQueryCaps( GetHDC()
,CAPS_FAMILY
,CAPS_COLOR_BITCOUNT
,lArray
,1L
,&lCapsColorBitcount
))
{
nBitsPerPixel = (int)lArray[CAPS_COLOR_BITCOUNT];
nBitsPerPixel = (int)lCapsColorBitcount;
}
return nBitsPerPixel;
} // end of wxPMDCImpl::GetDepth
@@ -2652,57 +2652,61 @@ bool wxPMDCImpl::DoBlit( wxCoord vXdest,
}
void wxPMDCImpl::DoGetSize( int* pnWidth,
int* pnHeight ) const
int* pnHeight ) const
{
LONG lArray[CAPS_HEIGHT];
LONG lArray[CAPS_HEIGHT+1];
if(::DevQueryCaps( m_hDC
,CAPS_FAMILY
,CAPS_HEIGHT
,CAPS_HEIGHT+1
,lArray
))
{
*pnWidth = lArray[CAPS_WIDTH];
*pnHeight = lArray[CAPS_HEIGHT];
if (pnWidth)
*pnWidth = lArray[CAPS_WIDTH];
if (pnHeight)
*pnHeight = lArray[CAPS_HEIGHT];
}
}; // end of wxPMDCImpl::DoGetSize(
void wxPMDCImpl::DoGetSizeMM( int* pnWidth,
int* pnHeight ) const
{
LONG lArray[CAPS_VERTICAL_RESOLUTION];
LONG lArray[CAPS_VERTICAL_RESOLUTION+1];
if(::DevQueryCaps( m_hDC
,CAPS_FAMILY
,CAPS_VERTICAL_RESOLUTION
,CAPS_VERTICAL_RESOLUTION+1
,lArray
))
{
if(pnWidth)
{
int nWidth = lArray[CAPS_WIDTH];
int nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
*pnWidth = (nHorzRes/1000) * nWidth;
int nWidth = lArray[CAPS_WIDTH];
int nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
// use fp to avoid returning 0 if nHorzRes < 1000
*pnWidth = (int)((nHorzRes/1000.0) * nWidth);
}
if(pnHeight)
{
int nHeight = lArray[CAPS_HEIGHT];
int nHeight = lArray[CAPS_HEIGHT];
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 wxPMDCImpl::DoGetSizeMM
wxSize wxPMDCImpl::GetPPI() const
{
LONG lArray[CAPS_VERTICAL_RESOLUTION];
LONG lArray[CAPS_VERTICAL_RESOLUTION+1];
int nWidth = 0;
int nHeight = 0;
if(::DevQueryCaps( m_hDC
,CAPS_FAMILY
,CAPS_VERTICAL_RESOLUTION
,CAPS_VERTICAL_RESOLUTION+1
,lArray
))
{

13
src/os2/fontutil.cpp
View File

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