#endif
#ifndef WX_PRECOMP
+ #include "wx/image.h"
#include "wx/window.h"
#include "wx/dc.h"
#include "wx/utils.h"
#endif
#include "wx/msw/private.h" // needs to be before #include <commdlg.h>
+#include "wx/msw/missing.h" // needs to be before #include <commdlg.h>
#include "wx/sysopt.h"
#include "wx/dcprint.h"
coordinates used.
*/
-// logical to device
-#define XLOG2DEV(x) (x)
-#define YLOG2DEV(y) (y)
-
-// device to logical
-#define XDEV2LOG(x) (x)
-#define YDEV2LOG(y) (y)
+#ifdef __WXWINCE__
+ #define XLOG2DEV(x) ((x-m_logicalOriginX)*m_signX+m_deviceOriginX)
+ #define YLOG2DEV(y) ((y-m_logicalOriginY)*m_signY+m_deviceOriginY)
+ #define XDEV2LOG(x) ((x-m_deviceOriginX)*m_signX+m_logicalOriginX)
+ #define YDEV2LOG(y) ((y-m_deviceOriginY)*m_signY+m_logicalOriginY)
+#else
+ #define XLOG2DEV(x) (x)
+ #define YLOG2DEV(y) (y)
+ #define XDEV2LOG(x) (x)
+ #define YDEV2LOG(y) (y)
+#endif
// ---------------------------------------------------------------------------
// private functions
m_colFgOld = ::GetTextColor(hdc);
m_colBgOld = ::GetBkColor(hdc);
- // note that Windows convention is opposite to wxWindows one, this is
+ // note that Windows convention is opposite to wxWidgets one, this is
// why text colour becomes the background one and vice versa
const wxColour& colFg = dc.GetTextForeground();
if ( colFg.Ok() )
: OPAQUE);
// flag which telsl us to undo changes in the dtor
- m_changed = TRUE;
+ m_changed = true;
}
else
{
// nothing done, nothing to undo
- m_changed = FALSE;
+ m_changed = false;
}
}
m_oldPalette = 0;
#endif // wxUSE_PALETTE
- m_bOwnsDC = FALSE;
+ m_bOwnsDC = false;
m_hDC = 0;
}
m_clipY2 = (wxCoord) YDEV2LOG(rect.bottom);
}
+void
+wxDC::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
+{
+ // check if we should try to retrieve the clipping region possibly not set
+ // by our SetClippingRegion() but preset by Windows:this can only happen
+ // when we're associated with an existing HDC usign SetHDC(), see there
+ if ( m_clipping && !m_clipX1 && !m_clipX2 )
+ {
+ wxDC *self = wxConstCast(this, wxDC);
+ self->UpdateClipBox();
+
+ if ( !m_clipX1 && !m_clipX2 )
+ self->m_clipping = false;
+ }
+
+ wxDCBase::DoGetClippingBox(x, y, w, h);
+}
+
// common part of DoSetClippingRegion() and DoSetClippingRegionAsRegion()
void wxDC::SetClippingHrgn(WXHRGN hrgn)
{
// 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
// behaviour now (starting with 2.3.3)
-#if defined(__WIN16__) || defined(__WXWINCE__)
+#if defined(__WXWINCE__)
RECT rectClip;
if ( !::GetClipBox(GetHdc(), &rectClip) )
return;
::DeleteObject(hrgnClipOld);
::DeleteObject(hrgnDest);
-#else // Win32
+#else // !WinCE
if ( ::ExtSelectClipRgn(GetHdc(), (HRGN)hrgn, RGN_AND) == ERROR )
{
wxLogLastError(_T("ExtSelectClipRgn"));
return;
}
-#endif // Win16/32
+#endif // WinCE/!WinCE
- m_clipping = TRUE;
+ m_clipping = true;
UpdateClipBox();
}
::DeleteObject(rgn);
}
- m_clipping = FALSE;
+ wxDCBase::DestroyClippingRegion();
}
// ---------------------------------------------------------------------------
bool wxDC::CanDrawBitmap() const
{
- return TRUE;
+ return true;
}
bool wxDC::CanGetTextExtent() const
{
#ifdef __WXMICROWIN__
// TODO Extend MicroWindows' GetDeviceCaps function
- return TRUE;
+ return true;
#else
// What sort of display is it?
int technology = ::GetDeviceCaps(GetHdc(), TECHNOLOGY);
bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
{
#ifdef __WXWINCE__
- return FALSE;
+ return false;
#else
- WXMICROWIN_CHECK_HDC_RET(FALSE)
+ WXMICROWIN_CHECK_HDC_RET(false)
bool success = (0 != ::ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
col.GetPixel(),
bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
{
- WXMICROWIN_CHECK_HDC_RET(FALSE)
+ WXMICROWIN_CHECK_HDC_RET(false)
- wxCHECK_MSG( col, FALSE, _T("NULL colour parameter in wxDC::GetPixel") );
+ wxCHECK_MSG( col, false, _T("NULL colour parameter in wxDC::GetPixel") );
// get the color of the pixel
COLORREF pixelcolor = ::GetPixel(GetHdc(), XLOG2DEV(x), YLOG2DEV(y));
wxRGBToColour(*col, pixelcolor);
- return TRUE;
+ return true;
}
void wxDC::DoCrossHair(wxCoord x, wxCoord y)
#else
DrawFrameControl(GetHdc(), &rect, DFC_MENU, DFCS_MENUCHECK);
#endif
-#else // Win16
- // In WIN16, draw a cross
+#else // Symantec-MicroWin
+ // draw a cross
HPEN blackPen = ::CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
HPEN whiteBrush = (HPEN)::GetStockObject(WHITE_BRUSH);
HPEN hPenOld = (HPEN)::SelectObject(GetHdc(), blackPen);
::SelectObject(GetHdc(), hPenOld);
::SelectObject(GetHdc(), hBrushOld);
::DeleteObject(blackPen);
-#endif // Win32/16
+#endif // Win32/Symantec-MicroWin
CalcBoundingBox(x1, y1);
CalcBoundingBox(x2, y2);
void
wxDC::DoDrawPolyPolygon(int n,
- int start[],
+ int count[],
wxPoint points[],
wxCoord xoffset,
wxCoord yoffset,
int fillStyle)
{
+#ifdef __WXWINCE__
+ wxDCBase::DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle);
+#else
WXMICROWIN_CHECK_HDC
wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
int i, cnt;
for (i = cnt = 0; i < n; i++)
- cnt += start[i];
+ cnt += count[i];
// Do things less efficiently if we have offsets
if (xoffset != 0 || yoffset != 0)
CalcBoundingBox(cpoints[i].x, cpoints[i].y);
}
+#ifndef __WXWINCE__
int prev = SetPolyFillMode(GetHdc(),fillStyle==wxODDEVEN_RULE?ALTERNATE:WINDING);
- (void)PolyPolygon(GetHdc(), cpoints, start, n);
+#endif
+ (void)PolyPolygon(GetHdc(), cpoints, count, n);
+#ifndef __WXWINCE__
SetPolyFillMode(GetHdc(),prev);
+#endif
delete[] cpoints;
}
else
for (i = 0; i < cnt; i++)
CalcBoundingBox(points[i].x, points[i].y);
+#ifndef __WXWINCE__
int prev = SetPolyFillMode(GetHdc(),fillStyle==wxODDEVEN_RULE?ALTERNATE:WINDING);
- (void)PolyPolygon(GetHdc(), (POINT*) points, start, n);
+#endif
+ (void)PolyPolygon(GetHdc(), (POINT*) points, count, n);
+#ifndef __WXWINCE__
SetPolyFillMode(GetHdc(),prev);
+#endif
}
+#endif
+ // __WXWINCE__
}
void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
{
// don't give assert here because this would break existing
// programs - just silently ignore useMask parameter
- useMask = FALSE;
+ useMask = false;
}
}
if ( useMask )
// use MaskBlt() with ROP which doesn't do anything to dst in the mask
// points
// On some systems, MaskBlt succeeds yet is much much slower
- // than the wxWindows fall-back implementation. So we need
+ // than the wxWidgets fall-back implementation. So we need
// to be able to switch this on and off at runtime.
- bool ok = FALSE;
+ bool ok = false;
#if wxUSE_SYSTEM_OPTIONS
if (wxSystemOptions::GetOptionInt(wxT("no-maskblt")) == 0)
#endif
// "upper left" and "upper right"
CalcBoundingBox(x, y);
- CalcBoundingBox(x + wxCoord(w*cos(rad)), y - wxCoord(h*sin(rad)));
+ CalcBoundingBox(x + wxCoord(w*cos(rad)), y - wxCoord(w*sin(rad)));
// "bottom left" and "bottom right"
x += (wxCoord)(h*sin(rad));
y += (wxCoord)(h*cos(rad));
CalcBoundingBox(x, y);
- CalcBoundingBox(x + wxCoord(h*sin(rad)), y + wxCoord(h*cos(rad)));
+ CalcBoundingBox(x + wxCoord(w*cos(rad)), y - wxCoord(w*sin(rad)));
}
#endif
}
{
HPALETTE oldPal = ::SelectPalette(GetHdc(),
GetHpaletteOf(m_palette),
- FALSE);
+ false);
if (!m_oldPalette)
m_oldPalette = (WXHPALETTE) oldPal;
if ( palette.Ok() )
{
m_palette = palette;
- DoSelectPalette(TRUE);
+ DoSelectPalette(true);
}
}
wxLogLastError(_T("SelectObject(old font)"));
}
- m_oldFont = NULL;
+ m_oldFont = 0;
}
m_font = wxNullFont;
wxLogLastError(_T("SelectObject(old pen)"));
}
- m_oldPen = NULL;
+ m_oldPen = 0;
}
m_pen = wxNullPen;
wxLogLastError(_T("SelectObject(old brush)"));
}
- m_oldBrush = NULL;
+ m_oldBrush = 0;
}
m_brush = wxNullBrush;
bool wxDC::StartDoc(const wxString& WXUNUSED(message))
{
- // 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;
}
void wxDC::EndDoc()
}
}
+
+// Each element of the array will be the width of the string up to and
+// including the coresoponding character in text.
+
+bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
+{
+ static int maxLenText = -1;
+ static int maxWidth = -1;
+ int fit = 0;
+ SIZE sz = {0,0};
+ int stlen = text.Length();
+
+ if (maxLenText == -1)
+ {
+ // Win9x and WinNT+ have different limits
+ int version = wxGetOsVersion();
+ maxLenText = version == wxWINDOWS_NT ? 65535 : 8192;
+ maxWidth = version == wxWINDOWS_NT ? INT_MAX : 32767;
+ }
+
+ widths.Empty();
+ widths.Add(0, stlen); // fill the array with zeros
+
+ if (!::GetTextExtentExPoint(GetHdc(),
+ text.c_str(), // string to check
+ wxMin(stlen, maxLenText),
+ maxWidth,
+ &fit, // [out] count of chars
+ // that will fit
+ &widths[0], // array to fill
+ &sz))
+ {
+ // API failed
+ wxLogLastError(wxT("GetTextExtentExPoint"));
+ return false;
+ }
+
+ return true;
+}
+
+
+
+
void wxDC::SetMapMode(int mode)
{
WXMICROWIN_CHECK_HDC
{
WXMICROWIN_CHECK_HDC
-#ifndef __WXWINCE__
if ( x == m_userScaleX && y == m_userScaleY )
return;
m_userScaleX = x;
m_userScaleY = y;
- SetMapMode(m_mappingMode);
-#endif
+ this->SetMapMode(m_mappingMode);
}
void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp)
{
WXMICROWIN_CHECK_HDC
-#ifndef __WXWINCE__
if ( x == m_scaleX && y == m_scaleY )
return;
m_scaleX = x;
m_scaleY = y;
+#ifndef __WXWINCE__
SetMapMode(m_mappingMode);
#endif
}
{
WXMICROWIN_CHECK_HDC
-#ifndef __WXWINCE__
if ( x == m_logicalOriginX && y == m_logicalOriginY )
return;
m_logicalOriginX = x;
m_logicalOriginY = y;
+#ifndef __WXWINCE__
::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
#endif
}
{
WXMICROWIN_CHECK_HDC
-#ifndef __WXWINCE__
if ( x == m_deviceOriginX && y == m_deviceOriginY )
return;
m_deviceOriginX = x;
m_deviceOriginY = y;
+#ifndef __WXWINCE__
::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
#endif
}
int rop, bool useMask,
wxCoord xsrcMask, wxCoord ysrcMask)
{
- wxCHECK_MSG( source, FALSE, _T("wxDC::Blit(): NULL wxDC pointer") );
+ wxCHECK_MSG( source, false, _T("wxDC::Blit(): NULL wxDC pointer") );
- WXMICROWIN_CHECK_HDC_RET(FALSE)
+ WXMICROWIN_CHECK_HDC_RET(false)
const wxBitmap& bmpSrc = source->m_selectedBitmap;
if ( bmpSrc.Ok() && bmpSrc.HasAlpha() )
{
if ( AlphaBlt(GetHdc(), xdest, ydest, width, height,
GetHdcOf(*source), bmpSrc) )
- return TRUE;
+ return true;
}
wxMask *mask = NULL;
{
// don't give assert here because this would break existing
// programs - just silently ignore useMask parameter
- useMask = FALSE;
+ useMask = false;
}
}
case wxNOR: dwRop = NOTSRCCOPY; break;
default:
wxFAIL_MSG( wxT("unsupported logical function") );
- return FALSE;
+ return false;
}
- bool success = FALSE;
+ bool success = false;
if (useMask)
{
// of the mask which is also contrary to the Windows one)
// On some systems, MaskBlt succeeds yet is much much slower
- // than the wxWindows fall-back implementation. So we need
+ // than the wxWidgets fall-back implementation. So we need
// to be able to switch this on and off at runtime.
#if wxUSE_SYSTEM_OPTIONS
if (wxSystemOptions::GetOptionInt(wxT("no-maskblt")) == 0)
SRCCOPY
) == (int)GDI_ERROR )
{
- wxLogLastError(wxT("StretchDIBits"));
+ // On Win9x this API fails most (all?) of the time, so
+ // logging it becomes quite distracting. Since it falls
+ // back to the code below this is not really serious, so
+ // don't log it.
+ //wxLogLastError(wxT("StretchDIBits"));
}
else
{
- success = TRUE;
+ success = true;
}
}
}
}
else
{
- success = TRUE;
+ success = true;
}
}
}
else
{
- success = TRUE;
+ success = true;
}
}
}
return wxSize(x, y);
}
-// For use by wxWindows only, unless custom units are required.
+// For use by wxWidgets only, unless custom units are required.
void wxDC::SetLogicalScale(double x, double y)
{
WXMICROWIN_CHECK_HDC
class wxDCModule : public wxModule
{
public:
- virtual bool OnInit() { return TRUE; }
+ virtual bool OnInit() { return true; }
virtual void OnExit() { wxDC::ClearCache(); }
private:
// bitmaps can be drawn only from GUI thread so there is no need to
// protect this static variable from multiple threads
- static bool s_triedToLoad = FALSE;
+ static bool s_triedToLoad = false;
static AlphaBlend_t pfnAlphaBlend = NULL;
if ( !s_triedToLoad )
{
- s_triedToLoad = TRUE;
+ s_triedToLoad = true;
// don't give errors about the DLL being unavailable, we're
// prepared to handle this
bf) )
{
// skip wxAlphaBlend() call below
- return TRUE;
+ return true;
}
wxLogLastError(_T("AlphaBlend"));
#ifdef wxHAVE_RAW_BITMAP
wxAlphaBlend(hdcDst, x, y, width, height, bmp);
- return TRUE;
+ return true;
#else // !wxHAVE_RAW_BITMAP
// no wxAlphaBlend() neither, fall back to using simple BitBlt() (we lose
// alpha but at least something will be shown like this)
- return FALSE;
+ return false;
#endif // wxHAVE_RAW_BITMAP
}
projects / wxWidgets.git / blobdiff