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define WXMICROWIN_CHECK_HDC macro once instead of having #ifdefs for microwin everywhere

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25627 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2004-02-08 13:40:08 +00:00
parent 0f07e3dc24
commit 82a306b728
1 changed files with 54 additions and 132 deletions
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186
src/msw/dc.cpp
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@@ -71,6 +71,16 @@
#define MAKEROP4(fore,back) (DWORD)((((back) << 8) & 0xFF000000) | (fore))
#endif
// apparently with MicroWindows it is possible that HDC is 0 so we have to
// check for this ourselves
#ifdef __WXMICROWIN__
#define WXMICROWIN_CHECK_HDC if ( !GetHDC() ) return;
#define WXMICROWIN_CHECK_HDC_RET(x) if ( !GetHDC() ) return x;
#else
#define WXMICROWIN_CHECK_HDC
#define WXMICROWIN_CHECK_HDC_RET(x)
#endif
IMPLEMENT_ABSTRACT_CLASS(wxDC, wxDCBase)
// ---------------------------------------------------------------------------
@@ -357,9 +367,7 @@ void wxDC::SelectOldObjects(WXHDC dc)
void wxDC::UpdateClipBox()
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
RECT rect;
::GetClipBox(GetHdc(), &rect);
@@ -375,9 +383,7 @@ void wxDC::SetClippingHrgn(WXHRGN hrgn)
{
wxCHECK_RET( hrgn, wxT("invalid clipping region") );
#ifdef __WXMICROWIN__
if (!GetHdc()) return;
#endif // __WXMICROWIN__
WXMICROWIN_CHECK_HDC
// note that we combine the new clipping region with the existing one: this
// is compatible with what the other ports do and is the documented
@@ -441,9 +447,7 @@ void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
void wxDC::DestroyClippingRegion()
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
if (m_clipping && m_hDC)
{
@@ -483,9 +487,7 @@ bool wxDC::CanGetTextExtent() const
int wxDC::GetDepth() const
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return 16;
#endif
WXMICROWIN_CHECK_HDC_RET(16)
return (int)::GetDeviceCaps(GetHdc(), BITSPIXEL);
}
@@ -496,9 +498,7 @@ int wxDC::GetDepth() const
void wxDC::Clear()
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
RECT rect;
if ( m_canvas )
@@ -546,9 +546,7 @@ bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
return FALSE;
#else
#ifdef __WXMICROWIN__
if (!GetHDC()) return FALSE;
#endif
WXMICROWIN_CHECK_HDC_RET(FALSE)
bool success = (0 != ::ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
col.GetPixel(),
@@ -579,9 +577,7 @@ bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return FALSE;
#endif
WXMICROWIN_CHECK_HDC_RET(FALSE)
wxCHECK_MSG( col, FALSE, _T("NULL colour parameter in wxDC::GetPixel") );
@@ -595,9 +591,7 @@ bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
void wxDC::DoCrossHair(wxCoord x, wxCoord y)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxCoord x1 = x-VIEWPORT_EXTENT;
wxCoord y1 = y-VIEWPORT_EXTENT;
@@ -613,9 +607,7 @@ void wxDC::DoCrossHair(wxCoord x, wxCoord y)
void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxDrawLine(GetHdc(), XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2));
@@ -638,9 +630,7 @@ void wxDC::DoDrawArc(wxCoord x1, wxCoord y1,
DoDrawEllipticArcRot( xc-r, yc-r, 2*r, 2*r, sa, ea );
#else
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
@@ -691,9 +681,7 @@ void wxDC::DoDrawArc(wxCoord x1, wxCoord y1,
void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
wxCoord width, wxCoord height)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxCoord x2 = x1 + width,
y2 = y1 + height;
@@ -733,9 +721,7 @@ void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
COLORREF color = 0x00ffffff;
if (m_pen.Ok())
@@ -750,9 +736,7 @@ void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
@@ -801,9 +785,7 @@ wxDC::DoDrawPolyPolygon(int n,
wxCoord yoffset,
int fillStyle)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
int i, cnt;
@@ -839,9 +821,7 @@ wxDC::DoDrawPolyPolygon(int n,
void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
// Do things less efficiently if we have offsets
if (xoffset != 0 || yoffset != 0)
@@ -870,9 +850,7 @@ void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset
void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
@@ -911,9 +889,7 @@ void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
@@ -947,9 +923,7 @@ void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord h
void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
@@ -969,9 +943,7 @@ void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,d
DoDrawEllipticArcRot( x, y, w, h, sa, ea );
#else
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
@@ -1017,9 +989,7 @@ void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,d
void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxCHECK_RET( icon.Ok(), wxT("invalid icon in DrawIcon") );
@@ -1035,9 +1005,7 @@ void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxDC::DrawBitmap") );
@@ -1170,9 +1138,7 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask
void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
DrawAnyText(text, x, y);
@@ -1186,9 +1152,7 @@ void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
// prepare for drawing the text
if ( m_textForegroundColour.Ok() )
@@ -1230,9 +1194,7 @@ void wxDC::DoDrawRotatedText(const wxString& text,
wxCoord x, wxCoord y,
double angle)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
// we test that we have some font because otherwise we should still use the
// "else" part below to avoid that DrawRotatedText(angle = 180) and
@@ -1305,9 +1267,7 @@ void wxDC::DoDrawRotatedText(const wxString& text,
void wxDC::DoSelectPalette(bool realize)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
// Set the old object temporarily, in case the assignment deletes an object
// that's not yet selected out.
@@ -1362,9 +1322,7 @@ void wxDC::InitializePalette()
void wxDC::SetFont(const wxFont& the_font)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
// Set the old object temporarily, in case the assignment deletes an object
// that's not yet selected out.
@@ -1397,9 +1355,7 @@ void wxDC::SetFont(const wxFont& the_font)
void wxDC::SetPen(const wxPen& pen)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
// Set the old object temporarily, in case the assignment deletes an object
// that's not yet selected out.
@@ -1431,9 +1387,7 @@ void wxDC::SetPen(const wxPen& pen)
void wxDC::SetBrush(const wxBrush& brush)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
// Set the old object temporarily, in case the assignment deletes an object
// that's not yet selected out.
@@ -1481,9 +1435,7 @@ void wxDC::SetBrush(const wxBrush& brush)
void wxDC::SetBackground(const wxBrush& brush)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
m_backgroundBrush = brush;
@@ -1495,9 +1447,7 @@ void wxDC::SetBackground(const wxBrush& brush)
void wxDC::SetBackgroundMode(int mode)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
m_backgroundMode = mode;
@@ -1507,9 +1457,7 @@ void wxDC::SetBackgroundMode(int mode)
void wxDC::SetLogicalFunction(int function)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
m_logicalFunction = function;
@@ -1574,9 +1522,7 @@ void wxDC::EndPage()
wxCoord wxDC::GetCharHeight() const
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return 0;
#endif
WXMICROWIN_CHECK_HDC_RET(0)
TEXTMETRIC lpTextMetric;
@@ -1587,9 +1533,7 @@ wxCoord wxDC::GetCharHeight() const
wxCoord wxDC::GetCharWidth() const
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return 0;
#endif
WXMICROWIN_CHECK_HDC_RET(0)
TEXTMETRIC lpTextMetric;
@@ -1648,9 +1592,7 @@ void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
void wxDC::SetMapMode(int mode)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
m_mappingMode = mode;
@@ -1721,9 +1663,7 @@ void wxDC::SetMapMode(int mode)
void wxDC::SetUserScale(double x, double y)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
#ifndef __WXWINCE__
if ( x == m_userScaleX && y == m_userScaleY )
@@ -1738,9 +1678,7 @@ void wxDC::SetUserScale(double x, double y)
void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
#ifndef __WXWINCE__
int signX = xLeftRight ? 1 : -1,
@@ -1758,9 +1696,7 @@ void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp)
void wxDC::SetSystemScale(double x, double y)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
#ifndef __WXWINCE__
if ( x == m_scaleX && y == m_scaleY )
@@ -1775,9 +1711,7 @@ void wxDC::SetSystemScale(double x, double y)
void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
#ifndef __WXWINCE__
if ( x == m_logicalOriginX && y == m_logicalOriginY )
@@ -1792,9 +1726,7 @@ void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y)
void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
#ifndef __WXWINCE__
if ( x == m_deviceOriginX && y == m_deviceOriginY )
@@ -1867,9 +1799,7 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
{
wxCHECK_MSG( source, FALSE, _T("wxDC::Blit(): NULL wxDC pointer") );
#ifdef __WXMICROWIN__
if (!GetHDC()) return FALSE;
#endif
WXMICROWIN_CHECK_HDC_RET(FALSE)
const wxBitmap& bmpSrc = source->m_selectedBitmap;
if ( bmpSrc.Ok() && bmpSrc.HasAlpha() )
@@ -2148,9 +2078,7 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
void wxDC::DoGetSize(int *w, int *h) const
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
if ( w ) *w = ::GetDeviceCaps(GetHdc(), HORZRES);
if ( h ) *h = ::GetDeviceCaps(GetHdc(), VERTRES);
@@ -2158,9 +2086,7 @@ void wxDC::DoGetSize(int *w, int *h) const
void wxDC::DoGetSizeMM(int *w, int *h) const
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
// if we implement it in terms of DoGetSize() instead of directly using the
// results returned by GetDeviceCaps(HORZ/VERTSIZE) as was done before, it
@@ -2190,9 +2116,7 @@ void wxDC::DoGetSizeMM(int *w, int *h) const
wxSize wxDC::GetPPI() const
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return wxSize();
#endif
WXMICROWIN_CHECK_HDC_RET(wxSize())
int x = ::GetDeviceCaps(GetHdc(), LOGPIXELSX);
int y = ::GetDeviceCaps(GetHdc(), LOGPIXELSY);
@@ -2203,9 +2127,7 @@ wxSize wxDC::GetPPI() const
// For use by wxWindows only, unless custom units are required.
void wxDC::SetLogicalScale(double x, double y)
{
#ifdef __WXMICROWIN__
if (!GetHDC()) return;
#endif
WXMICROWIN_CHECK_HDC
m_logicalScaleX = x;
m_logicalScaleY = y;