/////////////////////////////////////////////////////////////////////////////
-// Name: dc.cpp
+// Name: src/os2/dc.cpp
// Purpose: wxDC class
// Author: David Webster
// Modified by:
#include "wx/log.h"
#include "wx/icon.h"
#include "wx/msgdlg.h"
- #include "wx/module.h"
+ #include "wx/dcprint.h"
#if wxUSE_STATUSBAR
#include "wx/statusbr.h"
#endif
#endif
-#include "wx/dcprint.h"
+#include "wx/module.h"
#include <string.h>
-#include <math.h>
#include "wx/os2/private.h"
- IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
//
-// wxWindows uses the Microsoft convention that the origin is the UPPER left.
+// wxWidgets uses the Microsoft convention that the origin is the UPPER left.
// Native OS/2 however in the GPI and PM define the origin as the LOWER left.
-// In order to map OS/2 GPI/PM y coordinates to wxWindows coordinates we must
+// In order to map OS/2 GPI/PM y coordinates to wxWidgets coordinates we must
// perform the following transformation:
//
// Parent object height: POBJHEIGHT
// Desried origin: WXORIGINY
// Object to place's height: OBJHEIGHT
//
-// To get the OS2 position from the wxWindows one:
+// To get the OS2 position from the wxWidgets one:
//
// OS2Y = POBJHEIGHT - (WXORIGINY + OBJHEIGHT)
//
// For OS/2 wxDC's we will always determine m_vRclPaint as the size of the
// OS/2 Presentation Space associated with the device context. y is the
-// desired application's y coordinate of the origin in wxWindows space.
+// desired application's y coordinate of the origin in wxWidgets space.
// objy is the height of the object we are going to draw.
//
#define OS2Y(y, objy) ((m_vRclPaint.yTop - m_vRclPaint.yBottom) - (y + objy))
static const int MM_POINTS = 9;
static const int MM_METRIC = 10;
-// usually this is defined in math.h
-#ifndef M_PI
- static const double M_PI = 3.14159265358979323846;
-#endif // M_PI
-
// ---------------------------------------------------------------------------
// private functions
// ---------------------------------------------------------------------------
vBmpHdr.cx = nWidth;
vBmpHdr.cy = nHeight;
vBmpHdr.cPlanes = 1;
- vBmpHdr.cBitCount = nDepth;
+ vBmpHdr.cBitCount = (USHORT)nDepth;
pEntry->m_hBitmap = (WXHBITMAP) ::GpiCreateBitmap( hPS
,&vBmpHdr
vBmpHdr.cx = nWidth;
vBmpHdr.cy = nHeight;
vBmpHdr.cPlanes = 1;
- vBmpHdr.cBitCount = nDepth;
+ vBmpHdr.cBitCount = (USHORT)nDepth;
WXHBITMAP hBitmap = (WXHBITMAP) ::GpiCreateBitmap( hPS
,&vBmpHdr
void wxDC::ClearCache()
{
- m_svBitmapCache.DeleteContents(TRUE);
+ m_svBitmapCache.DeleteContents(true);
m_svBitmapCache.Clear();
- m_svBitmapCache.DeleteContents(FALSE);
- m_svDCCache.DeleteContents(TRUE);
+ m_svBitmapCache.DeleteContents(false);
+ m_svDCCache.DeleteContents(true);
m_svDCCache.Clear();
- m_svDCCache.DeleteContents(FALSE);
+ m_svDCCache.DeleteContents(false);
} // end of wxDC::ClearCache
// Clean up cache at app exit
class wxDCModule : public wxModule
{
public:
- virtual bool OnInit() { return TRUE; }
+ virtual bool OnInit() { return true; }
virtual void OnExit() { wxDC::ClearCache(); }
private:
wxDC::wxDC(void)
{
- wxColour vColor;
-
m_pCanvas = NULL;
m_hOldBitmap = 0;
m_hOldFont = 0;
m_hOldPalette = 0;
- m_bOwnsDC = FALSE;
+ m_bOwnsDC = false;
m_hDC = 0;
m_hOldPS = NULL;
m_hPS = NULL;
- m_bIsPaintTime = FALSE; // True at Paint Time
+ m_bIsPaintTime = false; // True at Paint Time
- vColor.InitFromName("BLACK");
+ wxColour vColor( wxT("BLACK") );
m_pen.SetColour(vColor);
- vColor.Set("WHITE");
+
+ vColor.Set( wxT("WHITE") );
m_brush.SetColour(vColor);
+
} // end of wxDC::wxDC
wxDC::~wxDC(void)
RECTL vRect;
vY = OS2Y(vY,vHeight);
- m_clipping = TRUE;
+ m_clipping = true;
vRect.xLeft = vX;
vRect.yTop = vY + vHeight;
vRect.xRight = vX + vWidth;
wxCHECK_RET(rRegion.GetHRGN(), wxT("invalid clipping region"));
HRGN hRgnOld;
- m_clipping = TRUE;
+ m_clipping = true;
::GpiSetClipRegion( m_hPS
,(HRGN)rRegion.GetHRGN()
,&hRgnOld
::GpiSetClipRegion(m_hPS, hRgn, &hRgnOld);
}
- m_clipping = FALSE;
+ ResetClipping();
} // end of wxDC::DestroyClippingRegion
// ---------------------------------------------------------------------------
bool wxDC::CanDrawBitmap() const
{
- return TRUE;
+ return true;
}
bool wxDC::CanGetTextExtent() const
int wxDC::GetDepth() const
{
LONG lArray[CAPS_COLOR_BITCOUNT];
- int nBitsPerPixel;
+ int nBitsPerPixel = 0;
if(::DevQueryCaps( GetHDC()
,CAPS_FAMILY
LONG lColor;
LONG lOptions;
LONG lHits;
- bool bSuccess = FALSE;
+ bool bSuccess = false;
vPtlPos.x = vX; // Loads x-coordinate
vPtlPos.y = OS2Y(vY,0); // Loads y-coordinate
lOptions = FF_SURFACE;
if ((lHits = ::GpiFloodFill(m_hPS, lOptions, lColor)) != GPI_ERROR)
- bSuccess = TRUE;
- return TRUE;
+ bSuccess = true;
+
+ return bSuccess;
} // end of wxDC::DoFloodFill
bool wxDC::DoGetPixel(
vPoint.x = vX;
vPoint.y = OS2Y(vY,0);
- lColor = ::GpiSetPel(m_hPS, &vPoint);
-
- //
- // Get the color of the pen
- //
- LONG lPencolor = 0x00ffffff;
-
- if (m_pen.Ok())
- {
- lPencolor = m_pen.GetColour().GetPixel();
- }
+ lColor = ::GpiQueryPel(m_hPS, &vPoint);
//
// return the color of the pixel
,GetGValue(lColor)
,GetBValue(lColor)
);
- return(lColor == lPencolor);
+ return true;
} // end of wxDC::DoGetPixel
void wxDC::DoCrossHair(
{
POINTL vPtlPos;
POINTL vPtlArc[2]; // Structure for current position
- int nDx;
- int nDy;
double dRadius;
double dAngl1;
double dAngl2;
// Medium point
//
dAnglmid = (dAngl1 + dAngl2)/2. + M_PI;
- vXm = vXc + dRadius * cos(dAnglmid);
- vYm = vYc + dRadius * sin(dAnglmid);
+ vXm = (wxCoord)(vXc + dRadius * cos(dAnglmid));
+ vYm = (wxCoord)(vYc + dRadius * sin(dAnglmid));
DoDrawArc( vX1, vY1
,vXm, vYm
,vXc, vYc
// Medium point
//
dAnglmid = (dAngl1 + dAngl2)/2.;
- vXm = vXc + dRadius * cos(dAnglmid);
- vYm = vYc + dRadius * sin(dAnglmid);
+ vXm = (wxCoord)(vXc + dRadius * cos(dAnglmid));
+ vYm = (wxCoord)(vYc + dRadius * sin(dAnglmid));
//
// Ellipse main axis (r,q), (p,s) with center at (0,0) */
vPtlArc[1].x = vX2;
vPtlArc[1].y = vY2;
::GpiPointArc(m_hPS, vPtlArc); // Draws the arc
- CalcBoundingBox( (vXc - dRadius)
- ,(vYc - dRadius)
+ CalcBoundingBox( (wxCoord)(vXc - dRadius)
+ ,(wxCoord)(vYc - dRadius)
);
- CalcBoundingBox( (vXc + dRadius)
- ,(vYc + dRadius)
+ CalcBoundingBox( (wxCoord)(vXc + dRadius)
+ ,(wxCoord)(vYc + dRadius)
);
} // end of wxDC::DoDrawArc
{
int i;
- CalcBoundingBox( vPoints[i].x
- ,vPoints[i].y
+ CalcBoundingBox( vPoints[0].x
+ ,vPoints[0].y
);
vPoint.x = vPoints[0].x;
vPoint.y = OS2Y(vPoints[0].y,0);
FIXED vFSweepa; // Start angle, sweep angle
double dIntPart;
double dFractPart;
- double dRadius;
vY = OS2Y(vY,vHeight);
vArcp.lP = vWidth/2;
vArcp.lS = 0;
::GpiSetArcParams(m_hPS, &vArcp); // Sets parameters to default
- vPtlPos.x = vX + vWidth/2 * (1. + cos(DegToRad(dSa))); // Loads x-coordinate
- vPtlPos.y = vY + vHeight/2 * (1. + sin(DegToRad(dSa))); // Loads y-coordinate
+ vPtlPos.x = (wxCoord)(vX + vWidth/2 * (1. + cos(DegToRad(dSa)))); // Loads x-coordinate
+ vPtlPos.y = (wxCoord)(vY + vHeight/2 * (1. + sin(DegToRad(dSa)))); // Loads y-coordinate
::GpiMove(m_hPS, &vPtlPos); // Sets current position
//
//
// Need to copy back into a bitmap. ::WinDrawPointer uses device coords
// and I don't feel like figuring those out for scrollable windows so
- // just convert to a bitmap then let the DoDrawBitmap routing display it
+ // just convert to a bitmap then let the DoDrawBitmap routine display it
//
if (rIcon.IsXpm())
{
- DoDrawBitmap(rIcon.GetXpmSrc(), vX, vY, TRUE);
+ DoDrawBitmap(rIcon.GetXpmSrc(), vX, vY, true);
}
else
{
wxBitmap vBitmap(rIcon);
- DoDrawBitmap(vBitmap, vX, vY, FALSE);
+ DoDrawBitmap(vBitmap, vX, vY, false);
}
CalcBoundingBox(vX, vY);
CalcBoundingBox(vX + rIcon.GetWidth(), vY + rIcon.GetHeight());
, bool bUseMask
)
{
+#if wxUSE_PRINTING_ARCHITECTURE
if (!IsKindOf(CLASSINFO(wxPrinterDC)))
+#endif
{
HBITMAP hBitmap = (HBITMAP)rBmp.GetHBITMAP();
- HBITMAP hBitmapOld;
+ HBITMAP hBitmapOld = NULLHANDLE;
POINTL vPoint[4];
vY = OS2Y(vY,rBmp.GetHeight());
lColor = pWindowDC->m_pCanvas->GetBackgroundColour().GetPixel();
}
- else if (GetBrush() != wxNullBrush)
+ else if (GetBrush().Ok())
lColor = GetBrush().GetColour().GetPixel();
else
lColor = m_textBackgroundColour.GetPixel();
//
- // Bitmap must be ina double-word alligned address so we may
+ // Bitmap must be in a double-word aligned address so we may
// have some padding to worry about
//
if (nLineBoundary > 0)
}
else
{
- LONG lOldForeGround = ::GpiQueryColor((HPS)GetHPS());
- LONG lOldBackGround = ::GpiQueryBackColor((HPS)GetHPS());
+ ULONG lOldForeGround = ::GpiQueryColor((HPS)GetHPS());
+ ULONG lOldBackGround = ::GpiQueryBackColor((HPS)GetHPS());
if (m_textForegroundColour.Ok())
{
unsigned char cOldGreenFore = (unsigned char)(lOldForeGround >> 8);
unsigned char cOldBlueFore = (unsigned char)lOldForeGround;
- unsigned char cOldRedBack = (unsigned char)(lOldBackGround >> 16);
- unsigned char cOldGreenBack = (unsigned char)(lOldBackGround >> 8);
- unsigned char cOldBlueBack = (unsigned char)lOldBackGround;
-
unsigned char cRedFore = (unsigned char)(lForeGround >> 16);
unsigned char cGreenFore = (unsigned char)(lForeGround >> 8);
unsigned char cBlueFore = (unsigned char)lForeGround;
if (m_pCanvas && m_pCanvas->IsKindOf(CLASSINFO(wxStatusBar)))
vPtlStart.y = OS2Y(vY,vTextY);
else
- vPtlStart.y = OS2Y(vY,vTextY/1.5); // Full extent is a bit much
+ vPtlStart.y = (wxCoord)(OS2Y(vY,vTextY/1.5)); // Full extent is a bit much
}
else
{
if (m_pCanvas && m_pCanvas->IsKindOf(CLASSINFO(wxStatusBar)))
vPtlStart.y = OS2Y(vY,vTextY);
else
- vPtlStart.y = OS2Y(vY,vTextY/1.5);
+ vPtlStart.y = (LONG)(OS2Y(vY,vTextY/1.5));
}
else
vPtlStart.y = vY;
// set GDI objects
// ---------------------------------------------------------------------------
-void wxDC::DoSelectPalette(
- bool bRealize
-)
+void wxDC::DoSelectPalette( bool WXUNUSED(bRealize) )
{
//
// Set the old object temporarily, in case the assignment deletes an object
}
} // end of wxDC::SetBrush
-void wxDC::SetBackground(
- const wxBrush& rBrush
-)
+void wxDC::SetBackground(const wxBrush& rBrush)
{
m_backgroundBrush = rBrush;
- if (!m_backgroundBrush.Ok())
- return;
- if (m_pCanvas)
- {
- bool bCustomColours = TRUE;
- //
- // If we haven't specified wxUSER_COLOURS, don't allow the panel/dialog box to
- // change background colours from the control-panel specified colours.
- //
- if (m_pCanvas->IsKindOf(CLASSINFO(wxWindow)) &&
- ((m_pCanvas->GetWindowStyleFlag() & wxUSER_COLOURS) != wxUSER_COLOURS))
- bCustomColours = FALSE;
- if (bCustomColours)
- {
- if (m_backgroundBrush.GetStyle()==wxTRANSPARENT)
- {
- m_pCanvas->SetTransparent(TRUE);
- }
- else
- {
- //
- // Setting the background brush of a DC
- // doesn't affect the window background colour. However,
- // I'm leaving in the transparency setting because it's needed by
- // various controls (e.g. wxStaticText) to determine whether to draw
- // transparently or not. TODO: maybe this should be a new function
- // wxWindow::SetTransparency(). Should that apply to the child itself, or the
- // parent?
- // m_canvas->SetBackgroundColour(m_backgroundBrush.GetColour());
- //
- m_pCanvas->SetTransparent(FALSE);
- }
- }
+ if (m_backgroundBrush.Ok())
+ {
+ (void)::GpiSetBackColor((HPS)m_hPS, m_backgroundBrush.GetColour().GetPixel());
}
- COLORREF vNewColor = m_backgroundBrush.GetColour().GetPixel();
- (void)::GpiSetBackColor((HPS)m_hPS, (LONG)vNewColor);
} // end of wxDC::SetBackground
-void wxDC::SetBackgroundMode(
- int nMode
-)
+void wxDC::SetBackgroundMode(int nMode)
{
m_backgroundMode = nMode;
} // end of wxDC::SetBackgroundMode
-void wxDC::SetLogicalFunction(
- int nFunction
-)
+void wxDC::SetLogicalFunction(int nFunction)
{
m_logicalFunction = nFunction;
SetRop((WXHDC)m_hDC);
} // wxDC::SetLogicalFunction
-void wxDC::SetRop(
- WXHDC hDC
-)
+void wxDC::SetRop(WXHDC hDC)
{
if (!hDC || m_logicalFunction < 0)
return;
- LONG lCRop;
+ LONG lCRop;
switch (m_logicalFunction)
{
case wxXOR:
::GpiSetMix((HPS)hDC, lCRop);
} // end of wxDC::SetRop
-bool wxDC::StartDoc(
- const wxString& rsMessage
-)
+bool wxDC::StartDoc( const wxString& WXUNUSED(rsMessage) )
{
- // We might be previewing, so return TRUE to let it continue.
- return TRUE;
+ // We might be previewing, so return true to let it continue.
+ return true;
} // end of wxDC::StartDoc
void wxDC::EndDoc()
int l;
FONTMETRICS vFM; // metrics structure
BOOL bRc;
- char* pStr;
ERRORID vErrorCode; // last error id code
wxFont* pFontToUse = (wxFont*)pTheFont;
- char zMsg[128]; // DEBUG
+ wxChar zMsg[128]; // DEBUG
wxString sError;
if (!pFontToUse)
pFontToUse = (wxFont*)&m_font;
l = rsString.length();
- pStr = (PCH) rsString.c_str();
//
// In world coordinates.
//
bRc = ::GpiQueryTextBox( m_hPS
,l
- ,pStr
+ ,(PCH)rsString.c_str()
,TXTBOX_COUNT // return maximum information
,avPoint // array of coordinates points
);
vErrorCode = ::WinGetLastError(wxGetInstance());
sError = wxPMErrorToStr(vErrorCode);
// DEBUG
- sprintf(zMsg, "GpiQueryTextBox for %s: failed with Error: %x - %s", pStr, vErrorCode, sError.c_str());
- (void)wxMessageBox( "wxWindows Menu sample"
+ wxSprintf(zMsg, _T("GpiQueryTextBox for %s: failed with Error: %lx - %s"), rsString.c_str(), vErrorCode, sError.c_str());
+ (void)wxMessageBox( _T("wxWidgets Menu sample")
,zMsg
,wxICON_INFORMATION
);
// ????
}; // end of wxDC::SetMapMode
-void wxDC::SetUserScale(
- double dX
-, double dY
-)
+void wxDC::SetUserScale( double dX,
+ double dY )
{
m_userScaleX = dX;
m_userScaleY = dY;
SetMapMode(m_mappingMode);
} // end of wxDC::SetUserScale
-void wxDC::SetAxisOrientation(
- bool bXLeftRight
-, bool bYBottomUp
-)
+void wxDC::SetAxisOrientation( bool bXLeftRight,
+ bool bYBottomUp )
{
m_signX = bXLeftRight ? 1 : -1;
m_signY = bYBottomUp ? -1 : 1;
wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
{
- // axis orientation is not taken into account for conversion of a distance
+ // axis orientation is not taken into account for conversion of a distance
return (wxCoord) ((x)/(m_logicalScaleX*m_userScaleX*m_scaleX));
}
wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
{
- // axis orientation is not taken into account for conversion of a distance
+ // axis orientation is not taken into account for conversion of a distance
return (wxCoord) ((y)/(m_logicalScaleY*m_userScaleY*m_scaleY));
}
wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
{
- // axis orientation is not taken into account for conversion of a distance
+ // axis orientation is not taken into account for conversion of a distance
return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_scaleX);
}
wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
{
- // axis orientation is not taken into account for conversion of a distance
+ // axis orientation is not taken into account for conversion of a distance
return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_scaleY);
}
// bit blit
// ---------------------------------------------------------------------------
-bool wxDC::DoBlit(
- wxCoord vXdest
-, wxCoord vYdest
-, wxCoord vWidth
-, wxCoord vHeight
-, wxDC* pSource
-, wxCoord vXsrc
-, wxCoord vYsrc
-, int nRop
-, bool bUseMask
-, wxCoord vXsrcMask
-, wxCoord vYsrcMask
-)
+bool wxDC::DoBlit( wxCoord vXdest,
+ wxCoord vYdest,
+ wxCoord vWidth,
+ wxCoord vHeight,
+ wxDC* pSource,
+ wxCoord vXsrc,
+ wxCoord vYsrc,
+ int nRop,
+ bool bUseMask,
+ wxCoord WXUNUSED(vXsrcMask),
+ wxCoord WXUNUSED(vYsrcMask) )
{
wxMask* pMask = NULL;
CHARBUNDLE vCbnd;
pMask = rBmp.GetMask();
if (!(rBmp.Ok() && pMask && pMask->GetMaskBitmap()))
{
- bUseMask = FALSE;
+ bUseMask = false;
}
}
case wxNOR: lRop = ROP_NOTSRCCOPY; break;
default:
wxFAIL_MSG( wxT("unsupported logical function") );
- return FALSE;
+ return false;
}
bool bSuccess;
vBmpHdr.cBitCount = 24;
#if wxUSE_DC_CACHEING
- if (TRUE)
{
//
// create a temp buffer bitmap and DCs to access it and the mask
hPSMask = pDCCacheEntry1->m_hPS;
hDCBuffer = (HDC)pDCCacheEntry2->m_hPS;
hBufBitmap = (HBITMAP)pBitmapCacheEntry->m_hBitmap;
+ wxUnusedVar(hDCMask);
}
- else
-#endif
+#else
{
hDCMask = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE);
hDCBuffer = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE);
hPSBuffer = ::GpiCreatePS(vHabmain, hDCBuffer, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
hBufBitmap = ::GpiCreateBitmap(GetHPS(), &vBmpHdr, 0L, NULL, NULL);
}
+#endif
- POINTL aPoint1[4] = { 0, 0
- ,vWidth, vHeight
- ,vXdest, vYdest
- ,vXdest + vWidth, vYdest + vHeight
+ POINTL aPoint1[4] = { {0, 0}
+ ,{vWidth, vHeight}
+ ,{vXdest, vYdest}
+ ,{vXdest + vWidth, vYdest + vHeight}
};
- POINTL aPoint2[4] = { 0, 0
- ,vWidth, vHeight
- ,vXsrc, vYsrc
- ,vXsrc + vWidth, vYsrc + vHeight
+ POINTL aPoint2[4] = { {0, 0}
+ ,{vWidth, vHeight}
+ ,{vXsrc, vYsrc}
+ ,{vXsrc + vWidth, vYsrc + vHeight}
};
- POINTL aPoint3[4] = { vXdest, vYdest
- ,vXdest + vWidth, vYdest + vHeight
- ,vXsrc, vYsrc
- ,vXsrc + vWidth, vYsrc + vHeight
+ POINTL aPoint3[4] = { {vXdest, vYdest}
+ ,{vXdest + vWidth, vYdest + vHeight}
+ ,{vXsrc, vYsrc}
+ ,{vXsrc + vWidth, vYsrc + vHeight}
};
- POINTL aPoint4[4] = { vXdest, vYdest
- ,vXdest + vWidth, vYdest + vHeight
- ,0, 0
- ,vWidth, vHeight
+ POINTL aPoint4[4] = { {vXdest, vYdest}
+ ,{vXdest + vWidth, vYdest + vHeight}
+ ,{0, 0}
+ ,{vWidth, vHeight}
};
::GpiSetBitmap(hPSMask, (HBITMAP) pMask->GetMaskBitmap());
::GpiSetBitmap(hPSBuffer, (HBITMAP) hBufBitmap);
);
if (rc == GPI_ERROR)
{
- bSuccess = FALSE;
+ bSuccess = false;
wxLogLastError(wxT("BitBlt"));
}
::DevCloseDC(hDCBuffer);
::GpiDeleteBitmap(hBufBitmap);
#endif
- bSuccess = TRUE;
+ bSuccess = true;
}
else // no mask, just BitBlt() it
{
- POINTL aPoint[4] = { vXdest, vYdest
- ,vXdest + vWidth, vYdest + vHeight
- ,vXsrc, vYsrc
- ,vXsrc + vWidth, vYsrc + vHeight
+ POINTL aPoint[4] = { {vXdest, vYdest}
+ ,{vXdest + vWidth, vYdest + vHeight}
+ ,{vXsrc, vYsrc}
+ ,{vXsrc + vWidth, vYsrc + vHeight}
};
bSuccess = (::GpiBitBlt( m_hPS
}
}; // end of wxDC::DoGetSize(
-void wxDC::DoGetSizeMM(
- int* pnWidth
-, int* pnHeight
-) const
+void wxDC::DoGetSizeMM( int* pnWidth,
+ int* pnHeight ) const
{
LONG lArray[CAPS_VERTICAL_RESOLUTION];
,lArray
))
{
- int nWidth;
- int nHeight;
- int nHorzRes;
- int nVertRes;
+ if(pnWidth)
+ {
+ int nWidth = lArray[CAPS_WIDTH];
+ int nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
+ *pnWidth = (nHorzRes/1000) * nWidth;
+ }
- nWidth = lArray[CAPS_WIDTH];
- nHeight = lArray[CAPS_HEIGHT];
- nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
- nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter
- nWidth = (nHorzRes/1000) * nWidth;
- nHeight = (nVertRes/1000) * nHeight;
+ if(pnHeight)
+ {
+ int nHeight = lArray[CAPS_HEIGHT];
+ int nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter
+ *pnHeight = (nVertRes/1000) * nHeight;
+ }
}
}; // end of wxDC::DoGetSizeMM
wxSize wxDC::GetPPI() const
{
LONG lArray[CAPS_VERTICAL_RESOLUTION];
- int nWidth;
- int nHeight;
+ int nWidth = 0;
+ int nHeight = 0;
if(::DevQueryCaps( m_hDC
,CAPS_FAMILY
nPelHeight = lArray[CAPS_HEIGHT];
nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter
- nWidth = (nHorzRes/39.3) * nPelWidth;
- nHeight = (nVertRes/39.3) * nPelHeight;
+ nWidth = (int)((nHorzRes/39.3) * nPelWidth);
+ nHeight = (int)((nVertRes/39.3) * nPelHeight);
}
- return (wxSize(nWidth,nHeight));
+ wxSize ppisize(nWidth, nHeight);
+ return ppisize;
} // end of wxDC::GetPPI
void wxDC::SetLogicalScale(
m_logicalScaleX = dX;
m_logicalScaleY = dY;
}; // end of wxDC::SetLogicalScale
-
-#if WXWIN_COMPATIBILITY
-void wxDC::DoGetTextExtent(const wxString& string, float *x, float *y,
- float *descent, float *externalLeading,
- wxFont *theFont, bool use16bit) const
-{
- wxCoord x1, y1, descent1, externalLeading1;
- GetTextExtent(string, & x1, & y1, & descent1, & externalLeading1, theFont, use16bit);
- *x = x1; *y = y1;
- if (descent)
- *descent = descent1;
- if (externalLeading)
- *externalLeading = externalLeading1;
-}
-#endif
-
projects / wxWidgets.git / blobdiff