#include "wx/msw/wrapcdlg.h"
#include "wx/image.h"
#include "wx/window.h"
- #include "wx/dc.h"
#include "wx/utils.h"
#include "wx/dialog.h"
#include "wx/app.h"
#include "wx/bitmap.h"
#include "wx/dcmemory.h"
#include "wx/log.h"
+ #include "wx/math.h"
#include "wx/icon.h"
#include "wx/dcprint.h"
#include "wx/module.h"
#endif
+#include "wx/msw/dc.h"
#include "wx/sysopt.h"
#include "wx/dynlib.h"
-#ifdef wxHAVE_RAW_BITMAP
-#include "wx/rawbmp.h"
+#ifdef wxHAS_RAW_BITMAP
+ #include "wx/rawbmp.h"
#endif
#include <string.h>
-#ifndef __WIN32__
- #include <print.h>
-#endif
+#include "wx/msw/private/dc.h"
+
+using namespace wxMSWImpl;
#ifndef AC_SRC_ALPHA
#define AC_SRC_ALPHA 1
// constants
// ---------------------------------------------------------------------------
-static const int VIEWPORT_EXTENT = 1000;
-
-static const int MM_POINTS = 9;
-static const int MM_METRIC = 10;
+// The device space in Win32 GDI measures 2^27*2^27 , so we use 2^27-1 as the
+// maximal possible view port extent.
+static const int VIEWPORT_EXTENT = 134217727;
// ROPs which don't have standard names (see "Ternary Raster Operations" in the
// MSDN docs for how this and other numbers in wxDC::Blit() are obtained)
// otherwise
static bool AlphaBlt(HDC hdcDst,
int x, int y, int dstWidth, int dstHeight,
- int srcX, int srcY,
+ int srcX, int srcY,
int srcWidth, int srcHeight,
HDC hdcSrc,
const wxBitmap& bmp);
-#ifdef wxHAVE_RAW_BITMAP
+#ifdef wxHAS_RAW_BITMAP
// our (limited) AlphaBlend() replacement for Windows versions not providing it
static void
wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
int dstWidth, int dstHeight,
- int srcX, int srcY,
+ int srcX, int srcY,
int srcWidth, int srcHeight,
const wxBitmap& bmpSrc);
-#endif // wxHAVE_RAW_BITMAP
+#endif // wxHAS_RAW_BITMAP
// ----------------------------------------------------------------------------
// private classes
// colours in each wxDC method working with wxSTIPPLE_MASK_OPAQUE brushes,
// encapsulate this in a small helper class
-// wxColourChanger: changes the text colours in the ctor if required and
+// wxBrushAttrsSetter: changes the text colours in the ctor if required and
// restores them in the dtor
-class wxColourChanger
+class wxBrushAttrsSetter : private wxBkModeChanger,
+ private wxTextColoursChanger
{
public:
- wxColourChanger(wxMSWDCImpl& dc);
- ~wxColourChanger();
+ wxBrushAttrsSetter(wxMSWDCImpl& dc);
private:
- wxMSWDCImpl& m_dc;
+ wxDECLARE_NO_COPY_CLASS(wxBrushAttrsSetter);
+};
- COLORREF m_colFgOld, m_colBgOld;
+#ifdef __WXWINCE__
- bool m_changed;
+#define SET_STRETCH_BLT_MODE(hdc)
- DECLARE_NO_COPY_CLASS(wxColourChanger)
-};
+#else // !__WXWINCE__
-// this class saves the old stretch blit mode during its life time
+// this class sets the stretch blit mode to COLORONCOLOR during its lifetime
+//
+// don't use it directly, use SET_STRETCH_BLT_MODE() macro instead as it
+// expands to nothing under WinCE which doesn't have SetStretchBltMode()
class StretchBltModeChanger
{
public:
- StretchBltModeChanger(HDC hdc,
- int WXUNUSED_IN_WINCE(mode))
+ StretchBltModeChanger(HDC hdc)
: m_hdc(hdc)
{
-#ifndef __WXWINCE__
- m_modeOld = ::SetStretchBltMode(m_hdc, mode);
+ m_modeOld = ::SetStretchBltMode(m_hdc, COLORONCOLOR);
if ( !m_modeOld )
- wxLogLastError(_T("SetStretchBltMode"));
-#endif
+ {
+ wxLogLastError(wxT("SetStretchBltMode"));
+ }
}
~StretchBltModeChanger()
{
-#ifndef __WXWINCE__
if ( !::SetStretchBltMode(m_hdc, m_modeOld) )
- wxLogLastError(_T("SetStretchBltMode"));
-#endif
+ {
+ wxLogLastError(wxT("SetStretchBltMode"));
+ }
}
private:
int m_modeOld;
- DECLARE_NO_COPY_CLASS(StretchBltModeChanger)
+ wxDECLARE_NO_COPY_CLASS(StretchBltModeChanger);
};
+#define SET_STRETCH_BLT_MODE(hdc) \
+ StretchBltModeChanger wxMAKE_UNIQUE_NAME(stretchModeChanger)(hdc)
+
+#endif // __WXWINCE__/!__WXWINCE__
+
#if wxUSE_DYNLIB_CLASS
// helper class to cache dynamically loaded libraries and not attempt reloading
const wxChar *m_dllName;
};
-static wxOnceOnlyDLLLoader wxMSIMG32DLL(_T("msimg32"));
+static wxOnceOnlyDLLLoader wxMSIMG32DLL(wxT("msimg32"));
// we must ensure that DLLs are unloaded before the static objects cleanup time
// because we may hit the notorious DllMain() dead lock in this case if wx is
IMPLEMENT_DYNAMIC_CLASS(wxGDIDLLsCleanupModule, wxModule)
+namespace
+{
+
+#if wxUSE_DC_TRANSFORM_MATRIX
+
+// Class used to dynamically load world transform related API functions.
+class GdiWorldTransformFuncs
+{
+public:
+ static bool IsOk()
+ {
+ if ( !ms_worldTransformSymbolsLoaded )
+ LoadWorldTransformSymbols();
+
+ return ms_pfnSetGraphicsMode &&
+ ms_pfnSetWorldTransform &&
+ ms_pfnGetWorldTransform &&
+ ms_pfnModifyWorldTransform;
+ }
+
+ typedef int (WINAPI *SetGraphicsMode_t)(HDC, int);
+ static SetGraphicsMode_t SetGraphicsMode()
+ {
+ if ( !ms_worldTransformSymbolsLoaded )
+ LoadWorldTransformSymbols();
+
+ return ms_pfnSetGraphicsMode;
+ }
+
+ typedef BOOL (WINAPI *SetWorldTransform_t)(HDC, const XFORM *);
+ static SetWorldTransform_t SetWorldTransform()
+ {
+ if ( !ms_worldTransformSymbolsLoaded )
+ LoadWorldTransformSymbols();
+
+ return ms_pfnSetWorldTransform;
+ }
+
+ typedef BOOL (WINAPI *GetWorldTransform_t)(HDC, LPXFORM);
+ static GetWorldTransform_t GetWorldTransform()
+ {
+ if ( !ms_worldTransformSymbolsLoaded )
+ LoadWorldTransformSymbols();
+
+ return ms_pfnGetWorldTransform;
+ }
+
+ typedef BOOL (WINAPI *ModifyWorldTransform_t)(HDC, const XFORM *, DWORD);
+ static ModifyWorldTransform_t ModifyWorldTransform()
+ {
+ if ( !ms_worldTransformSymbolsLoaded )
+ LoadWorldTransformSymbols();
+
+ return ms_pfnModifyWorldTransform;
+ }
+
+private:
+ static void LoadWorldTransformSymbols()
+ {
+ wxDynamicLibrary dll(wxT("gdi32.dll"));
+
+ wxDL_INIT_FUNC(ms_pfn, SetGraphicsMode, dll);
+ wxDL_INIT_FUNC(ms_pfn, SetWorldTransform, dll);
+ wxDL_INIT_FUNC(ms_pfn, GetWorldTransform, dll);
+ wxDL_INIT_FUNC(ms_pfn, ModifyWorldTransform, dll);
+
+ ms_worldTransformSymbolsLoaded = true;
+ }
+
+ static SetGraphicsMode_t ms_pfnSetGraphicsMode;
+ static SetWorldTransform_t ms_pfnSetWorldTransform;
+ static GetWorldTransform_t ms_pfnGetWorldTransform;
+ static ModifyWorldTransform_t ms_pfnModifyWorldTransform;
+
+ static bool ms_worldTransformSymbolsLoaded;
+};
+
+GdiWorldTransformFuncs::SetGraphicsMode_t
+ GdiWorldTransformFuncs::ms_pfnSetGraphicsMode = NULL;
+GdiWorldTransformFuncs::SetWorldTransform_t
+ GdiWorldTransformFuncs::ms_pfnSetWorldTransform = NULL;
+GdiWorldTransformFuncs::GetWorldTransform_t
+ GdiWorldTransformFuncs::ms_pfnGetWorldTransform = NULL;
+GdiWorldTransformFuncs::ModifyWorldTransform_t
+ GdiWorldTransformFuncs::ms_pfnModifyWorldTransform = NULL;
+
+bool GdiWorldTransformFuncs::ms_worldTransformSymbolsLoaded = false;
+
+#endif // wxUSE_DC_TRANSFORM_MATRIX
+
+} // anonymous namespace
+
#endif // wxUSE_DYNLIB_CLASS
// ===========================================================================
// ===========================================================================
// ----------------------------------------------------------------------------
-// wxColourChanger
+// wxBrushAttrsSetter
// ----------------------------------------------------------------------------
-wxColourChanger::wxColourChanger(wxMSWDCImpl& dc) : m_dc(dc)
+wxBrushAttrsSetter::wxBrushAttrsSetter(wxMSWDCImpl& dc)
+ : wxBkModeChanger(GetHdcOf(dc)),
+ wxTextColoursChanger(GetHdcOf(dc))
{
const wxBrush& brush = dc.GetBrush();
- if ( brush.Ok() && brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
+ if ( brush.IsOk() && brush.GetStyle() == wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE )
{
- HDC hdc = GetHdcOf(dc);
- m_colFgOld = ::GetTextColor(hdc);
- m_colBgOld = ::GetBkColor(hdc);
-
// 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() )
- {
- ::SetBkColor(hdc, colFg.GetPixel());
- }
-
- const wxColour& colBg = dc.GetTextBackground();
- if ( colBg.Ok() )
- {
- ::SetTextColor(hdc, colBg.GetPixel());
- }
-
- SetBkMode(hdc,
- dc.GetBackgroundMode() == wxTRANSPARENT ? TRANSPARENT
- : OPAQUE);
+ wxTextColoursChanger::Change(dc.GetTextBackground(),
+ dc.GetTextForeground());
- // flag which telsl us to undo changes in the dtor
- m_changed = true;
- }
- else
- {
- // nothing done, nothing to undo
- m_changed = false;
+ wxBkModeChanger::Change(dc.GetBackgroundMode());
}
}
-wxColourChanger::~wxColourChanger()
-{
- if ( m_changed )
- {
- // restore the colours we changed
- HDC hdc = GetHdcOf(m_dc);
+// ----------------------------------------------------------------------------
+// wxDC MSW-specific methods
+// ----------------------------------------------------------------------------
- ::SetBkMode(hdc, TRANSPARENT);
- ::SetTextColor(hdc, m_colFgOld);
- ::SetBkColor(hdc, m_colBgOld);
- }
+WXHDC wxDC::GetHDC() const
+{
+ wxMSWDCImpl * const impl = wxDynamicCast(GetImpl(), wxMSWDCImpl);
+ return impl ? impl->GetHDC() : 0;
}
// ---------------------------------------------------------------------------
// wxMSWDCImpl
// ---------------------------------------------------------------------------
-wxMSWDCImpl::wxMSWDCImpl( wxDC *owner, WXHDC hDC ) :
+wxMSWDCImpl::wxMSWDCImpl( wxDC *owner, WXHDC hDC ) :
wxDCImpl( owner )
-{
- Init();
- m_hDC = hDC;
+{
+ Init();
+ m_hDC = hDC;
}
wxMSWDCImpl::~wxMSWDCImpl()
if (m_oldBitmap)
{
::SelectObject((HDC) dc, (HBITMAP) m_oldBitmap);
-#ifdef __WXDEBUG__
- if (m_selectedBitmap.Ok())
+ if (m_selectedBitmap.IsOk())
{
m_selectedBitmap.SetSelectedInto(NULL);
}
-#endif
}
m_oldBitmap = 0;
if (m_oldPen)
wxDCImpl::DoGetClippingBox(x, y, w, h);
}
-// common part of DoSetClippingRegion() and DoSetClippingRegionAsRegion()
+// common part of DoSetClippingRegion() and DoSetDeviceClippingRegion()
void wxMSWDCImpl::SetClippingHrgn(WXHRGN hrgn)
{
wxCHECK_RET( hrgn, wxT("invalid clipping region") );
#else // !WinCE
if ( ::ExtSelectClipRgn(GetHdc(), (HRGN)hrgn, RGN_AND) == ERROR )
{
- wxLogLastError(_T("ExtSelectClipRgn"));
+ wxLogLastError(wxT("ExtSelectClipRgn"));
return;
}
LogicalToDeviceY(y + h));
if ( !hrgn )
{
- wxLogLastError(_T("CreateRectRgn"));
+ wxLogLastError(wxT("CreateRectRgn"));
}
else
{
}
}
-void wxMSWDCImpl::DoSetClippingRegionAsRegion(const wxRegion& region)
+void wxMSWDCImpl::DoSetDeviceClippingRegion(const wxRegion& region)
{
SetClippingHrgn(region.GetHRGN());
}
{
// No, I think we should simply ignore this if printing on e.g.
// a printer DC.
- // wxCHECK_RET( m_selectedBitmap.Ok(), wxT("this DC can't be cleared") );
- if (!m_selectedBitmap.Ok())
+ // wxCHECK_RET( m_selectedBitmap.IsOk(), wxT("this DC can't be cleared") );
+ if (!m_selectedBitmap.IsOk())
return;
rect.left = -m_deviceOriginX; rect.top = -m_deviceOriginY;
bool wxMSWDCImpl::DoFloodFill(wxCoord WXUNUSED_IN_WINCE(x),
wxCoord WXUNUSED_IN_WINCE(y),
const wxColour& WXUNUSED_IN_WINCE(col),
- int WXUNUSED_IN_WINCE(style))
+ wxFloodFillStyle WXUNUSED_IN_WINCE(style))
{
#ifdef __WXWINCE__
return false;
{
WXMICROWIN_CHECK_HDC_RET(false)
- wxCHECK_MSG( col, false, _T("NULL colour parameter in wxMSWDCImpl::GetPixel") );
+ wxCHECK_MSG( col, false, wxT("NULL colour parameter in wxMSWDCImpl::GetPixel") );
// get the color of the pixel
COLORREF pixelcolor = ::GetPixel(GetHdc(), XLOG2DEV(x), YLOG2DEV(y));
wxCoord x2, wxCoord y2,
wxCoord xc, wxCoord yc)
{
+ double dx = xc - x1;
+ double dy = yc - y1;
+ wxCoord r = (wxCoord)sqrt(dx*dx + dy*dy);
+
+
#ifdef __WXWINCE__
// Slower emulation since WinCE doesn't support Pie and Arc
- double r = sqrt( (x1-xc)*(x1-xc) + (y1-yc)*(y1-yc) );
double sa = acos((x1-xc)/r)/M_PI*180; // between 0 and 180
- if( y1>yc ) sa = -sa; // below center
+ if( y1>yc )
+ sa = -sa; // below center
double ea = atan2(yc-y2, x2-xc)/M_PI*180;
DoDrawEllipticArcRot( xc-r, yc-r, 2*r, 2*r, sa, ea );
#else
WXMICROWIN_CHECK_HDC
- wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
-
- double dx = xc - x1;
- double dy = yc - y1;
- double radius = (double)sqrt(dx*dx+dy*dy);
- wxCoord r = (wxCoord)radius;
+ wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
// treat the special case of full circle separately
if ( x1 == x2 && y1 == y2 )
wxCoord yy2 = YLOG2DEV(y2);
wxCoord xxc = XLOG2DEV(xc);
wxCoord yyc = YLOG2DEV(yc);
- wxCoord ray = (wxCoord) sqrt(double((xxc-xx1)*(xxc-xx1)+(yyc-yy1)*(yyc-yy1)));
+ dx = xxc - xx1;
+ dy = yyc - yy1;
+ wxCoord ray = (wxCoord)sqrt(dx*dx + dy*dy);
wxCoord xxx1 = (wxCoord) (xxc-ray);
wxCoord yyy1 = (wxCoord) (yyc-ray);
wxCoord xxx2 = (wxCoord) (xxc+ray);
wxCoord yyy2 = (wxCoord) (yyc+ray);
- if ( m_brush.Ok() && m_brush.GetStyle() != wxTRANSPARENT )
+ if ( m_brush.IsNonTransparent() )
{
// Have to add 1 to bottom-right corner of rectangle
// to make semi-circles look right (crooked line otherwise).
rect.bottom = y2;
#ifdef __WXWINCE__
- DrawFrameControl(GetHdc(), &rect, DFC_BUTTON, DFCS_BUTTONCHECK);
+ DrawFrameControl(GetHdc(), &rect, DFC_BUTTON, DFCS_BUTTONCHECK | DFCS_CHECKED);
#else
DrawFrameControl(GetHdc(), &rect, DFC_MENU, DFCS_MENUCHECK);
#endif
WXMICROWIN_CHECK_HDC
COLORREF color = 0x00ffffff;
- if (m_pen.Ok())
+ if (m_pen.IsOk())
{
color = m_pen.GetColour().GetPixel();
}
wxPoint points[],
wxCoord xoffset,
wxCoord yoffset,
- int WXUNUSED_IN_WINCE(fillStyle))
+ wxPolygonFillMode WXUNUSED_IN_WINCE(fillStyle))
{
WXMICROWIN_CHECK_HDC
- wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
+ wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
// Do things less efficiently if we have offsets
if (xoffset != 0 || yoffset != 0)
wxPoint points[],
wxCoord xoffset,
wxCoord yoffset,
- int fillStyle)
+ wxPolygonFillMode fillStyle)
{
#ifdef __WXWINCE__
- wxDCBase::DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle);
+ wxDCImpl::DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle);
#else
WXMICROWIN_CHECK_HDC
- wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
+ wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
int i, cnt;
for (i = cnt = 0; i < n; i++)
cnt += count[i];
{
WXMICROWIN_CHECK_HDC
- wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
+ wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
wxCoord x2 = x + width;
wxCoord y2 = y + height;
- if ((m_logicalFunction == wxCOPY) && (m_pen.GetStyle() == wxTRANSPARENT))
- {
- RECT rect;
- rect.left = XLOG2DEV(x);
- rect.top = YLOG2DEV(y);
- rect.right = XLOG2DEV(x2);
- rect.bottom = YLOG2DEV(y2);
- (void)FillRect(GetHdc(), &rect, (HBRUSH)m_brush.GetResourceHandle() );
- }
- else
- {
- // Windows draws the filled rectangles without outline (i.e. drawn with a
- // transparent pen) one pixel smaller in both directions and we want them
- // to have the same size regardless of which pen is used - adjust
+ wxCoord x2dev = XLOG2DEV(x2),
+ y2dev = YLOG2DEV(y2);
- // I wonder if this shouldnt be done after the LOG2DEV() conversions. RR.
- if ( m_pen.GetStyle() == wxTRANSPARENT )
- {
- // Apparently not needed for WinCE (see e.g. Life! demo)
+ // Windows (but not Windows CE) draws the filled rectangles without outline
+ // (i.e. drawn with a transparent pen) one pixel smaller in both directions
+ // and we want them to have the same size regardless of which pen is used
#ifndef __WXWINCE__
- x2++;
- y2++;
-#endif
- }
-
- (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
+ if ( m_pen.IsTransparent() )
+ {
+ x2dev++;
+ y2dev++;
}
+#endif // !__WXWINCE__
+ (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), x2dev, y2dev);
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
{
WXMICROWIN_CHECK_HDC
- wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
+ wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
// Now, a negative radius value is interpreted to mean
// 'the proportion of the smallest X or Y dimension'
// Windows draws the filled rectangles without outline (i.e. drawn with a
// transparent pen) one pixel smaller in both directions and we want them
// to have the same size regardless of which pen is used - adjust
- if ( m_pen.GetStyle() == wxTRANSPARENT )
+ if ( m_pen.IsTransparent() )
{
x2++;
y2++;
{
WXMICROWIN_CHECK_HDC
- wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
+ wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
- wxCoord x2 = (x+width);
- wxCoord y2 = (y+height);
+ // +1 below makes the ellipse more similar to other platforms.
+ // In particular, DoDrawEllipse(x,y,1,1) should draw one point.
+ wxCoord x2 = x + width + 1;
+ wxCoord y2 = y + height + 1;
+
+ // Problem: Windows GDI Ellipse() with x2-x == y2-y == 3 and transparent
+ // pen doesn't draw anything. Should we provide a workaround?
- (void)Ellipse(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
+ ::Ellipse(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
}
-#if wxUSE_SPLINES
+#if wxUSE_SPLINES && !defined(__WXWINCE__)
void wxMSWDCImpl::DoDrawSpline(const wxPointList *points)
{
-#ifdef __WXWINCE__
- // WinCE does not support ::PolyBezier so use generic version
- wxDCBase::DoDrawSpline(points);
-#else
// quadratic b-spline to cubic bezier spline conversion
//
// quadratic spline with control points P0,P1,P2
lppt[ bezier_pos ] = lppt[ bezier_pos-1 ];
bezier_pos++;
-#if !wxUSE_STL
+#if !wxUSE_STD_CONTAINERS
while ((node = node->GetNext()) != NULL)
#else
while ((node = node->GetNext()))
-#endif // !wxUSE_STL
+#endif // !wxUSE_STD_CONTAINERS
{
p = (wxPoint *)node->GetData();
x1 = x2;
::PolyBezier( GetHdc(), lppt, bezier_pos );
free(lppt);
-#endif
}
-#endif
+#endif // wxUSE_SPLINES
// Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows
void wxMSWDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
WXMICROWIN_CHECK_HDC
- wxColourChanger cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
+ wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
wxCoord x2 = x + w;
wxCoord y2 = y + h;
// Swap start and end positions if the end angle is less than the start angle.
if (ea < sa) {
- int temp;
- temp = rx2;
- rx2 = rx1;
- rx1 = temp;
- temp = ry2;
- ry2 = ry1;
- ry1 = temp;
+ int temp;
+ temp = rx2;
+ rx2 = rx1;
+ rx1 = temp;
+ temp = ry2;
+ ry2 = ry1;
+ ry1 = temp;
}
// draw pie with NULL_PEN first and then outline otherwise a line is
{
WXMICROWIN_CHECK_HDC
- wxCHECK_RET( icon.Ok(), wxT("invalid icon in DrawIcon") );
+ wxCHECK_RET( icon.IsOk(), wxT("invalid icon in DrawIcon") );
#ifdef __WIN32__
::DrawIconEx(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), GetHiconOf(icon), icon.GetWidth(), icon.GetHeight(), 0, NULL, DI_NORMAL);
{
WXMICROWIN_CHECK_HDC
- wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxMSWDCImpl::DrawBitmap") );
+ wxCHECK_RET( bmp.IsOk(), wxT("invalid bitmap in wxMSWDCImpl::DrawBitmap") );
int width = bmp.GetWidth(),
height = bmp.GetHeight();
return;
}
+ SET_STRETCH_BLT_MODE(GetHdc());
+
if ( useMask )
{
wxMask *mask = bmp.GetMask();
#ifdef __WIN32__
// use MaskBlt() with ROP which doesn't do anything to dst in the mask
// points
+ bool ok = false;
+
+#if wxUSE_SYSTEM_OPTIONS
// On some systems, MaskBlt succeeds yet is much much slower
// than the wxWidgets fall-back implementation. So we need
// to be able to switch this on and off at runtime.
- bool ok = false;
-#if wxUSE_SYSTEM_OPTIONS
- if (wxSystemOptions::GetOptionInt(wxT("no-maskblt")) == 0)
-#endif
+ //
+ // NB: don't query the value of the option every time but do it only
+ // once as otherwise it can have real (and bad) performance
+ // implications (see #11172)
+ static bool
+ s_maskBltAllowed = wxSystemOptions::GetOptionInt("no-maskblt") == 0;
+ if ( s_maskBltAllowed )
+#endif // wxUSE_SYSTEM_OPTIONS
{
HDC cdc = GetHdc();
HDC hdcMem = ::CreateCompatibleDC(GetHdc());
wxASSERT_MSG( hbitmap, wxT("bitmap is ok but HBITMAP is NULL?") );
- COLORREF old_textground = ::GetTextColor(GetHdc());
- COLORREF old_background = ::GetBkColor(GetHdc());
- if (m_textForegroundColour.Ok())
- {
- ::SetTextColor(GetHdc(), m_textForegroundColour.GetPixel() );
- }
- if (m_textBackgroundColour.Ok())
- {
- ::SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() );
- }
+ wxTextColoursChanger textCol(GetHdc(), *this);
#if wxUSE_PALETTE
wxPalette *pal = bmp.GetPalette();
::SelectObject( memdc, hOldBitmap );
::DeleteDC( memdc );
-
- ::SetTextColor(GetHdc(), old_textground);
- ::SetBkColor(GetHdc(), old_background);
}
}
void wxMSWDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
{
+ // For compatibility with other ports (notably wxGTK) and because it's
+ // genuinely useful, we allow passing multiline strings to DrawText().
+ // However there is no native MSW function to draw them directly so we
+ // instead reuse the generic DrawLabel() method to render them. Of course,
+ // DrawLabel() itself will call back to us but with single line strings
+ // only so there won't be any infinite recursion here.
+ if ( text.find('\n') != wxString::npos )
+ {
+ GetOwner()->DrawLabel(text, wxRect(x, y, 0, 0));
+ return;
+ }
+
WXMICROWIN_CHECK_HDC
DrawAnyText(text, x, y);
WXMICROWIN_CHECK_HDC
// prepare for drawing the text
- if ( m_textForegroundColour.Ok() )
- SetTextColor(GetHdc(), m_textForegroundColour.GetPixel());
-
- DWORD old_background = 0;
- if ( m_textBackgroundColour.Ok() )
- {
- old_background = SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() );
- }
+ wxTextColoursChanger textCol(GetHdc(), *this);
- SetBkMode(GetHdc(), m_backgroundMode == wxTRANSPARENT ? TRANSPARENT
- : OPAQUE);
+ wxBkModeChanger bkMode(GetHdc(), m_backgroundMode);
-#ifdef __WXWINCE__
if ( ::ExtTextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), 0, NULL,
text.c_str(), text.length(), NULL) == 0 )
{
wxLogLastError(wxT("TextOut"));
}
-#else
- if ( ::TextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
- text.c_str(), text.length()) == 0 )
- {
- wxLogLastError(wxT("TextOut"));
- }
-#endif
-
- // restore the old parameters (text foreground colour may be left because
- // it never is set to anything else, but background should remain
- // transparent even if we just drew an opaque string)
- if ( m_textBackgroundColour.Ok() )
- (void)SetBkColor(GetHdc(), old_background);
-
- SetBkMode(GetHdc(), TRANSPARENT);
}
void wxMSWDCImpl::DoDrawRotatedText(const wxString& text,
// "else" part below to avoid that DrawRotatedText(angle = 180) and
// DrawRotatedText(angle = 0) use different fonts (we can't use the default
// font for drawing rotated fonts unfortunately)
- if ( (angle == 0.0) && m_font.Ok() )
+ if ( (angle == 0.0) && m_font.IsOk() )
{
DoDrawText(text, x, y);
}
// NB: don't take DEFAULT_GUI_FONT (a.k.a. wxSYS_DEFAULT_GUI_FONT)
// because it's not TrueType and so can't have non zero
// orientation/escapement under Win9x
- wxFont font = m_font.Ok() ? m_font : *wxSWISS_FONT;
+ wxFont font = m_font.IsOk() ? m_font : *wxSWISS_FONT;
HFONT hfont = (HFONT)font.GetResourceHandle();
LOGFONT lf;
if ( ::GetObject(hfont, sizeof(lf), &lf) == 0 )
m_oldPalette = 0;
}
- if ( m_palette.Ok() )
+ if ( m_palette.IsOk() )
{
HPALETTE oldPal = ::SelectPalette(GetHdc(),
GetHpaletteOf(m_palette),
void wxMSWDCImpl::SetPalette(const wxPalette& palette)
{
- if ( palette.Ok() )
+ if ( palette.IsOk() )
{
m_palette = palette;
DoSelectPalette(true);
if ( font == m_font )
return;
- if ( font.Ok() )
+ if ( font.IsOk() )
{
HGDIOBJ hfont = ::SelectObject(GetHdc(), GetHfontOf(font));
if ( hfont == HGDI_ERROR )
{
- wxLogLastError(_T("SelectObject(font)"));
+ wxLogLastError(wxT("SelectObject(font)"));
}
else // selected ok
{
{
if ( ::SelectObject(GetHdc(), (HPEN) m_oldFont) == HGDI_ERROR )
{
- wxLogLastError(_T("SelectObject(old font)"));
+ wxLogLastError(wxT("SelectObject(old font)"));
}
m_oldFont = 0;
if ( pen == m_pen )
return;
- if ( pen.Ok() )
+ if ( pen.IsOk() )
{
HGDIOBJ hpen = ::SelectObject(GetHdc(), GetHpenOf(pen));
if ( hpen == HGDI_ERROR )
{
- wxLogLastError(_T("SelectObject(pen)"));
+ wxLogLastError(wxT("SelectObject(pen)"));
}
else // selected ok
{
{
if ( ::SelectObject(GetHdc(), (HPEN) m_oldPen) == HGDI_ERROR )
{
- wxLogLastError(_T("SelectObject(old pen)"));
+ wxLogLastError(wxT("SelectObject(old pen)"));
}
m_oldPen = 0;
if ( brush == m_brush )
return;
- if ( brush.Ok() )
+ if ( brush.IsOk() )
{
// we must make sure the brush is aligned with the logical coordinates
- // before selecting it
+ // before selecting it or using the same brush for the background of
+ // different windows would result in discontinuities
+ wxSize sizeBrushBitmap = wxDefaultSize;
wxBitmap *stipple = brush.GetStipple();
- if ( stipple && stipple->Ok() )
+ if ( stipple && stipple->IsOk() )
+ sizeBrushBitmap = stipple->GetSize();
+ else if ( brush.IsHatch() )
+ sizeBrushBitmap = wxSize(8, 8);
+
+ if ( sizeBrushBitmap.IsFullySpecified() )
{
if ( !::SetBrushOrgEx
(
GetHdc(),
- m_deviceOriginX % stipple->GetWidth(),
- m_deviceOriginY % stipple->GetHeight(),
+ m_deviceOriginX % sizeBrushBitmap.x,
+ m_deviceOriginY % sizeBrushBitmap.y,
NULL // [out] previous brush origin
) )
{
- wxLogLastError(_T("SetBrushOrgEx()"));
+ wxLogLastError(wxT("SetBrushOrgEx()"));
}
}
HGDIOBJ hbrush = ::SelectObject(GetHdc(), GetHbrushOf(brush));
if ( hbrush == HGDI_ERROR )
{
- wxLogLastError(_T("SelectObject(brush)"));
+ wxLogLastError(wxT("SelectObject(brush)"));
}
else // selected ok
{
{
if ( ::SelectObject(GetHdc(), (HPEN) m_oldBrush) == HGDI_ERROR )
{
- wxLogLastError(_T("SelectObject(old brush)"));
+ wxLogLastError(wxT("SelectObject(old brush)"));
}
m_oldBrush = 0;
m_backgroundBrush = brush;
- if ( m_backgroundBrush.Ok() )
+ if ( m_backgroundBrush.IsOk() )
{
(void)SetBkColor(GetHdc(), m_backgroundBrush.GetColour().GetPixel());
}
// and m_backgroundMode is used there
}
-void wxMSWDCImpl::SetLogicalFunction(int function)
+void wxMSWDCImpl::SetLogicalFunction(wxRasterOperationMode function)
{
WXMICROWIN_CHECK_HDC
case wxNAND: rop = R2_NOTMASKPEN; break;
case wxOR: rop = R2_MERGEPEN; break;
case wxSET: rop = R2_WHITE; break;
-
default:
- wxFAIL_MSG( wxT("unsupported logical function") );
- return;
+ wxFAIL_MSG( wxS("unknown logical function") );
+ return;
}
SetROP2(GetHdc(), rop);
return lpTextMetric.tmAveCharWidth;
}
+void wxMSWDCImpl::DoGetFontMetrics(int *height,
+ int *ascent,
+ int *descent,
+ int *internalLeading,
+ int *externalLeading,
+ int *averageWidth) const
+{
+ TEXTMETRIC tm;
+
+ GetTextMetrics(GetHdc(), &tm);
+
+ if ( height )
+ *height = tm.tmHeight;
+ if ( ascent )
+ *ascent = tm.tmAscent;
+ if ( descent )
+ *descent = tm.tmDescent;
+ if ( internalLeading )
+ *internalLeading = tm.tmInternalLeading;
+ if ( externalLeading )
+ *externalLeading = tm.tmExternalLeading;
+ if ( averageWidth )
+ *averageWidth = tm.tmAveCharWidth;
+}
+
void wxMSWDCImpl::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
wxCoord *descent, wxCoord *externalLeading,
const wxFont *font) const
HFONT hfontOld;
if ( font )
{
- wxASSERT_MSG( font->Ok(), _T("invalid font in wxMSWDCImpl::GetTextExtent") );
+ wxASSERT_MSG( font->IsOk(), wxT("invalid font in wxMSWDCImpl::GetTextExtent") );
hfontOld = (HFONT)::SelectObject(GetHdc(), GetHfontOf(*font));
}
SIZE sizeRect;
const size_t len = string.length();
- if ( !::GetTextExtentPoint32(GetHdc(), string.wx_str(), len, &sizeRect) )
+ if ( !::GetTextExtentPoint32(GetHdc(), string.t_str(), len, &sizeRect) )
{
- wxLogLastError(_T("GetTextExtentPoint32()"));
+ wxLogLastError(wxT("GetTextExtentPoint32()"));
}
#if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400)
}
#endif // !defined(_WIN32_WCE) || (_WIN32_WCE >= 400)
- TEXTMETRIC tm;
- ::GetTextMetrics(GetHdc(), &tm);
-
if (x)
*x = sizeRect.cx;
if (y)
*y = sizeRect.cy;
- if (descent)
- *descent = tm.tmDescent;
- if (externalLeading)
- *externalLeading = tm.tmExternalLeading;
+
+ if ( descent || externalLeading )
+ {
+ DoGetFontMetrics(NULL, NULL, descent, NULL, externalLeading, NULL);
+ }
if ( hfontOld )
{
return true;
}
+namespace
+{
+
+void ApplyEffectiveScale(double scale, int sign, int *device, int *logical)
+{
+ // To reduce rounding errors as much as possible, we try to use the largest
+ // possible extent (2^27-1) for the device space but we must also avoid
+ // overflowing the int range i.e. ensure that logical extents are less than
+ // 2^31 in magnitude. So the minimal scale we can use is 1/16 as for
+ // anything smaller VIEWPORT_EXTENT/scale would overflow the int range.
+ static const double MIN_LOGICAL_SCALE = 1./16;
+
+ double physExtent = VIEWPORT_EXTENT;
+ if ( scale < MIN_LOGICAL_SCALE )
+ {
+ physExtent *= scale/MIN_LOGICAL_SCALE;
+ scale = MIN_LOGICAL_SCALE;
+ }
+
+ *device = wxRound(physExtent);
+ *logical = sign*wxRound(VIEWPORT_EXTENT/scale);
+}
+
+} // anonymous namespace
+
void wxMSWDCImpl::RealizeScaleAndOrigin()
{
- // VZ: it seems very wasteful to always use MM_ANISOTROPIC when in 99% of
- // cases we could do with MM_TEXT and in the remaining 0.9% with
- // MM_ISOTROPIC (TODO!)
+ // although it may seem wasteful to always use MM_ANISOTROPIC here instead
+ // of using MM_TEXT if there is no scaling, benchmarking doesn't detect any
+ // noticeable difference between these mapping modes
#ifndef __WXWINCE__
::SetMapMode(GetHdc(), MM_ANISOTROPIC);
- int width = DeviceToLogicalXRel(VIEWPORT_EXTENT)*m_signX,
- height = DeviceToLogicalYRel(VIEWPORT_EXTENT)*m_signY;
+ // wxWidgets API assumes that the coordinate space is "infinite" (i.e. only
+ // limited by 2^32 range of the integer coordinates) but in MSW API we must
+ // actually specify the extents that we use so compute them here.
+
+ int devExtX, devExtY, // Viewport, i.e. device space, extents.
+ logExtX, logExtY; // Window, i.e. logical coordinate space, extents.
+
+ ApplyEffectiveScale(m_scaleX, m_signX, &devExtX, &logExtX);
+ ApplyEffectiveScale(m_scaleY, m_signY, &devExtY, &logExtY);
- ::SetViewportExtEx(GetHdc(), VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL);
- ::SetWindowExtEx(GetHdc(), width, height, NULL);
+ ::SetViewportExtEx(GetHdc(), devExtX, devExtY, NULL);
+ ::SetWindowExtEx(GetHdc(), logExtX, logExtY, NULL);
::SetViewportOrgEx(GetHdc(), m_deviceOriginX, m_deviceOriginY, NULL);
::SetWindowOrgEx(GetHdc(), m_logicalOriginX, m_logicalOriginY, NULL);
#endif
-
}
-void wxMSWDCImpl::SetMapMode(int mode)
+void wxMSWDCImpl::SetMapMode(wxMappingMode mode)
{
WXMICROWIN_CHECK_HDC
break;
default:
- wxFAIL_MSG( _T("unknown mapping mode in SetMapMode") );
+ wxFAIL_MSG( wxT("unknown mapping mode in SetMapMode") );
}
}
-
+
ComputeScaleAndOrigin();
-
+
RealizeScaleAndOrigin();
}
return;
wxDCImpl::SetUserScale(x,y);
-
+
RealizeScaleAndOrigin();
}
int signX = xLeftRight ? 1 : -1,
signY = yBottomUp ? -1 : 1;
-
+
if (signX == m_signX && signY == m_signY)
return;
-
+
wxDCImpl::SetAxisOrientation( xLeftRight, yBottomUp );
RealizeScaleAndOrigin();
wxDCImpl::SetLogicalOrigin( x, y );
-#ifndef __WXWINCE__
- ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
-#endif
+ RealizeScaleAndOrigin();
+}
+
+// For use by wxWidgets only, unless custom units are required.
+void wxMSWDCImpl::SetLogicalScale(double x, double y)
+{
+ WXMICROWIN_CHECK_HDC
+
+ wxDCImpl::SetLogicalScale(x,y);
}
void wxMSWDCImpl::SetDeviceOrigin(wxCoord x, wxCoord y)
if ( x == m_deviceOriginX && y == m_deviceOriginY )
return;
-
+
wxDCImpl::SetDeviceOrigin( x, y );
::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
}
+// ----------------------------------------------------------------------------
+// Transform matrix
+// ----------------------------------------------------------------------------
+
+#if wxUSE_DC_TRANSFORM_MATRIX
+
+bool wxMSWDCImpl::CanUseTransformMatrix() const
+{
+ return GdiWorldTransformFuncs::IsOk();
+}
+
+bool wxMSWDCImpl::SetTransformMatrix(const wxAffineMatrix2D &matrix)
+{
+ if ( !GdiWorldTransformFuncs::IsOk() )
+ return false;
+
+ if ( matrix.IsIdentity() )
+ {
+ ResetTransformMatrix();
+ return true;
+ }
+
+ if ( !GdiWorldTransformFuncs::SetGraphicsMode()(GetHdc(), GM_ADVANCED) )
+ {
+ wxLogLastError(wxT("SetGraphicsMode"));
+ return false;
+ }
+
+ wxMatrix2D mat;
+ wxPoint2DDouble tr;
+ matrix.Get(&mat, &tr);
+
+ XFORM xform;
+ xform.eM11 = mat.m_11;
+ xform.eM12 = mat.m_12;
+ xform.eM21 = mat.m_21;
+ xform.eM22 = mat.m_22;
+ xform.eDx = tr.m_x;
+ xform.eDy = tr.m_y;
+
+ if ( !GdiWorldTransformFuncs::SetWorldTransform()(GetHdc(), &xform) )
+ {
+ wxLogLastError(wxT("SetWorldTransform"));
+ return false;
+ }
+
+ return true;
+}
+
+wxAffineMatrix2D wxMSWDCImpl::GetTransformMatrix() const
+{
+ wxAffineMatrix2D transform;
+
+ if ( !GdiWorldTransformFuncs::IsOk() )
+ return transform;
+
+ XFORM xform;
+ if ( !GdiWorldTransformFuncs::GetWorldTransform()(GetHdc(), &xform) )
+ {
+ wxLogLastError(wxT("GetWorldTransform"));
+ return transform;
+ }
+
+ wxMatrix2D m(xform.eM11, xform.eM12, xform.eM21, xform.eM22);
+ wxPoint2DDouble p(xform.eDx, xform.eDy);
+ transform.Set(m, p);
+
+ return transform;
+}
+
+void wxMSWDCImpl::ResetTransformMatrix()
+{
+ if ( GdiWorldTransformFuncs::IsOk() )
+ {
+ GdiWorldTransformFuncs::ModifyWorldTransform()(GetHdc(), NULL, MWT_IDENTITY);
+ GdiWorldTransformFuncs::SetGraphicsMode()(GetHdc(), GM_COMPATIBLE);
+ }
+}
+
+#endif // wxUSE_DC_TRANSFORM_MATRIX
+
// ---------------------------------------------------------------------------
// bit blit
// ---------------------------------------------------------------------------
wxCoord dstWidth, wxCoord dstHeight,
wxDC *source,
wxCoord srcX, wxCoord srcY,
- int rop, bool useMask,
+ wxRasterOperationMode rop, bool useMask,
wxCoord srcMaskX, wxCoord srcMaskY)
{
return DoStretchBlit(dstX, dstY, dstWidth, dstHeight, source, srcX, srcY, dstWidth, dstHeight, rop, useMask, srcMaskX, srcMaskY);
wxDC *source,
wxCoord xsrc, wxCoord ysrc,
wxCoord srcWidth, wxCoord srcHeight,
- int rop, bool useMask,
+ wxRasterOperationMode rop, bool useMask,
wxCoord xsrcMask, wxCoord ysrcMask)
{
- wxCHECK_MSG( source, false, _T("wxMSWDCImpl::Blit(): NULL wxDC pointer") );
+ wxCHECK_MSG( source, false, wxT("wxMSWDCImpl::Blit(): NULL wxDC pointer") );
WXMICROWIN_CHECK_HDC_RET(false)
- wxDCImpl *impl = source->GetImpl();
- wxMSWDCImpl *msw_impl = wxDynamicCast( impl, wxMSWDCImpl );
- if (!msw_impl)
+ wxMSWDCImpl *implSrc = wxDynamicCast( source->GetImpl(), wxMSWDCImpl );
+ if ( !implSrc )
{
- // TODO: Do we want to be able to blit
- // from other DCs too?
+ // TODO: Do we want to be able to blit from other DCs too?
return false;
}
+ const HDC hdcSrc = GetHdcOf(*implSrc);
+
// if either the source or destination has alpha channel, we must use
// AlphaBlt() as other function don't handle it correctly
- const wxBitmap& bmpSrc = msw_impl->GetSelectedBitmap();
- if ( bmpSrc.Ok() && (bmpSrc.HasAlpha() ||
- (m_selectedBitmap.Ok() && m_selectedBitmap.HasAlpha())) )
+ const wxBitmap& bmpSrc = implSrc->GetSelectedBitmap();
+ if ( bmpSrc.IsOk() && (bmpSrc.HasAlpha() ||
+ (m_selectedBitmap.IsOk() && m_selectedBitmap.HasAlpha())) )
{
if ( AlphaBlt(GetHdc(), xdest, ydest, dstWidth, dstHeight,
- xsrc, ysrc, srcWidth, srcHeight, GetHdcOf(*msw_impl), bmpSrc) )
+ xsrc, ysrc, srcWidth, srcHeight, hdcSrc, bmpSrc) )
return true;
}
{
mask = bmpSrc.GetMask();
- if ( !(bmpSrc.Ok() && mask && mask->GetMaskBitmap()) )
+ if ( !(bmpSrc.IsOk() && mask && mask->GetMaskBitmap()) )
{
// don't give assert here because this would break existing
// programs - just silently ignore useMask parameter
xsrcMask = xsrc; ysrcMask = ysrc;
}
- COLORREF old_textground = ::GetTextColor(GetHdc());
- COLORREF old_background = ::GetBkColor(GetHdc());
- if (m_textForegroundColour.Ok())
- {
- ::SetTextColor(GetHdc(), m_textForegroundColour.GetPixel() );
- }
- if (m_textBackgroundColour.Ok())
- {
- ::SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() );
- }
+ wxTextColoursChanger textCol(GetHdc(), *this);
DWORD dwRop;
switch (rop)
// 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)
+ static bool s_maskBltAllowed = wxSystemOptions::GetOptionInt("no-maskblt") == 0;
+ if ( s_maskBltAllowed )
#endif
{
if ( dstWidth == srcWidth && dstHeight == srcHeight )
(
GetHdc(),
xdest, ydest, dstWidth, dstHeight,
- GetHdcOf(*msw_impl),
+ hdcSrc,
xsrc, ysrc,
(HBITMAP)mask->GetMaskBitmap(),
xsrcMask, ysrcMask,
#if wxUSE_DC_CACHEING
// create a temp buffer bitmap and DCs to access it and the mask
- wxDCCacheEntry* dcCacheEntry1 = FindDCInCache(NULL, msw_impl->GetHDC());
+ wxDCCacheEntry* dcCacheEntry1 = FindDCInCache(NULL, hdcSrc);
dc_mask = (HDC) dcCacheEntry1->m_dc;
wxDCCacheEntry* dcCacheEntry2 = FindDCInCache(dcCacheEntry1, GetHDC());
buffer_bmap = (HBITMAP) bitmapCacheEntry->m_bitmap;
#else // !wxUSE_DC_CACHEING
// create a temp buffer bitmap and DCs to access it and the mask
- dc_mask = ::CreateCompatibleDC(GetHdcOf(*source));
+ dc_mask = ::CreateCompatibleDC(hdcSrc);
dc_buffer = ::CreateCompatibleDC(GetHdc());
buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), dstWidth, dstHeight);
#endif // wxUSE_DC_CACHEING/!wxUSE_DC_CACHEING
HGDIOBJ hOldBufferBitmap = ::SelectObject(dc_buffer, buffer_bmap);
// copy dest to buffer
- if ( !::BitBlt(dc_buffer, 0, 0, (int)dstWidth, (int)dstHeight,
+ if ( !::BitBlt(dc_buffer, 0, 0, dstWidth, dstHeight,
GetHdc(), xdest, ydest, SRCCOPY) )
{
wxLogLastError(wxT("BitBlt"));
}
-#ifndef __WXWINCE__
- StretchBltModeChanger changeMode(dc_buffer, COLORONCOLOR);
-#endif
+ SET_STRETCH_BLT_MODE(GetHdc());
// copy src to buffer using selected raster op
- if ( !::StretchBlt(dc_buffer, 0, 0, (int)dstWidth, (int)dstHeight,
- GetHdcOf(*msw_impl), xsrc, ysrc, srcWidth, srcHeight, dwRop) )
+ if ( !::StretchBlt(dc_buffer, 0, 0, dstWidth, dstHeight,
+ hdcSrc, xsrc, ysrc, srcWidth, srcHeight, dwRop) )
{
wxLogLastError(wxT("StretchBlt"));
}
- // set masked area in buffer to BLACK (pixel value 0)
- COLORREF prevBkCol = ::SetBkColor(GetHdc(), RGB(255, 255, 255));
- COLORREF prevCol = ::SetTextColor(GetHdc(), RGB(0, 0, 0));
- if ( !::StretchBlt(dc_buffer, 0, 0, (int)dstWidth, (int)dstHeight,
- dc_mask, xsrcMask, ysrcMask, srcWidth, srcHeight, SRCAND) )
+ // set masked area in buffer to BLACK
{
- wxLogLastError(wxT("StretchBlt"));
- }
+ wxTextColoursChanger textCol2(GetHdc(), *wxBLACK, *wxWHITE);
+ if ( !::StretchBlt(dc_buffer, 0, 0, dstWidth, dstHeight,
+ dc_mask, xsrcMask, ysrcMask,
+ srcWidth, srcHeight, SRCAND) )
+ {
+ wxLogLastError(wxT("StretchBlt"));
+ }
- // set unmasked area in dest to BLACK
- ::SetBkColor(GetHdc(), RGB(0, 0, 0));
- ::SetTextColor(GetHdc(), RGB(255, 255, 255));
- if ( !::StretchBlt(GetHdc(), xdest, ydest, (int)dstWidth, (int)dstHeight,
- dc_mask, xsrcMask, ysrcMask, srcWidth, srcHeight, SRCAND) )
- {
- wxLogLastError(wxT("StretchBlt"));
- }
- ::SetBkColor(GetHdc(), prevBkCol); // restore colours to original values
- ::SetTextColor(GetHdc(), prevCol);
+ // set unmasked area in dest to BLACK
+ ::SetBkColor(GetHdc(), RGB(0, 0, 0));
+ ::SetTextColor(GetHdc(), RGB(255, 255, 255));
+ if ( !::StretchBlt(GetHdc(), xdest, ydest, dstWidth, dstHeight,
+ dc_mask, xsrcMask, ysrcMask,
+ srcWidth, srcHeight, SRCAND) )
+ {
+ wxLogLastError(wxT("StretchBlt"));
+ }
+ } // restore the original text and background colours
// OR buffer to dest
- success = ::BitBlt(GetHdc(), xdest, ydest,
- (int)dstWidth, (int)dstHeight,
+ success = ::BitBlt(GetHdc(), xdest, ydest, dstWidth, dstHeight,
dc_buffer, 0, 0, SRCPAINT) != 0;
if ( !success )
{
// FIXME: use appropriate WinCE functions
#ifndef __WXWINCE__
const int caps = ::GetDeviceCaps(GetHdc(), RASTERCAPS);
- if ( bmpSrc.Ok() && (caps & RC_STRETCHDIB) )
+ if ( bmpSrc.IsOk() && (caps & RC_STRETCHDIB) )
{
DIBSECTION ds;
wxZeroMemory(ds);
sizeof(ds),
&ds) == sizeof(ds) )
{
- StretchBltModeChanger changeMode(GetHdc(), COLORONCOLOR);
+ SET_STRETCH_BLT_MODE(GetHdc());
+
+ // Unlike all the other functions used here (i.e. AlphaBlt(),
+ // MaskBlt(), BitBlt() and StretchBlt()), StretchDIBits() does
+ // not take into account the source DC logical coordinates
+ // automatically as it doesn't even work with the source HDC.
+ // So do this manually to ensure that the coordinates are
+ // interpreted in the same way here as in all the other cases.
+ xsrc = source->LogicalToDeviceX(xsrc);
+ ysrc = source->LogicalToDeviceY(ysrc);
+ srcWidth = source->LogicalToDeviceXRel(srcWidth);
+ srcHeight = source->LogicalToDeviceYRel(srcHeight);
// Figure out what co-ordinate system we're supposed to specify
// ysrc in.
if ( hDIB > 0 )
{
// reflect ysrc
- ysrc = hDIB - (ysrc + dstHeight);
+ ysrc = hDIB - (ysrc + srcHeight);
}
if ( ::StretchDIBits(GetHdc(),
#endif
// __WXWINCE__
{
-#ifndef __WXWINCE__
- StretchBltModeChanger changeMode(GetHdc(), COLORONCOLOR);
-#endif
+ SET_STRETCH_BLT_MODE(GetHdc());
if ( !::StretchBlt
(
GetHdc(),
xdest, ydest, dstWidth, dstHeight,
- GetHdcOf(*msw_impl),
+ hdcSrc,
xsrc, ysrc, srcWidth, srcHeight,
dwRop
) )
{
- wxLogLastError(_T("StretchBlt"));
+ wxLogLastError(wxT("StretchBlt"));
}
else
{
if ( !success )
{
- if ( !::BitBlt
- (
- GetHdc(),
- xdest, ydest,
- (int)dstWidth, (int)dstHeight,
- GetHdcOf(*msw_impl),
- xsrc, ysrc,
- dwRop
- ) )
+ if ( !::BitBlt(GetHdc(), xdest, ydest, dstWidth, dstHeight,
+ hdcSrc, xsrc, ysrc, dwRop) )
{
- wxLogLastError(_T("BitBlt"));
+ wxLogLastError(wxT("BitBlt"));
}
else
{
}
}
- ::SetTextColor(GetHdc(), old_textground);
- ::SetBkColor(GetHdc(), old_background);
-
return success;
}
{
int wTotal = ::GetDeviceCaps(GetHdc(), HORZRES);
- wxCHECK_RET( wTotal, _T("0 width device?") );
+ wxCHECK_RET( wTotal, wxT("0 width device?") );
*w = (wPixels * ::GetDeviceCaps(GetHdc(), HORZSIZE)) / wTotal;
}
{
int hTotal = ::GetDeviceCaps(GetHdc(), VERTRES);
- wxCHECK_RET( hTotal, _T("0 height device?") );
+ wxCHECK_RET( hTotal, wxT("0 height device?") );
*h = (hPixels * ::GetDeviceCaps(GetHdc(), VERTSIZE)) / hTotal;
}
return wxSize(x, y);
}
-// For use by wxWidgets only, unless custom units are required.
-void wxMSWDCImpl::SetLogicalScale(double x, double y)
-{
- WXMICROWIN_CHECK_HDC
-
- wxDCImpl::SetLogicalScale(x,y);
-}
-
// ----------------------------------------------------------------------------
// DC caching
// ----------------------------------------------------------------------------
static bool AlphaBlt(HDC hdcDst,
int x, int y, int dstWidth, int dstHeight,
- int srcX, int srcY,
+ int srcX, int srcY,
int srcWidth, int srcHeight,
HDC hdcSrc,
const wxBitmap& bmp)
{
- wxASSERT_MSG( bmp.Ok() && bmp.HasAlpha(), _T("AlphaBlt(): invalid bitmap") );
- wxASSERT_MSG( hdcDst && hdcSrc, _T("AlphaBlt(): invalid HDC") );
+ wxASSERT_MSG( bmp.IsOk() && bmp.HasAlpha(), wxT("AlphaBlt(): invalid bitmap") );
+ wxASSERT_MSG( hdcDst && hdcSrc, wxT("AlphaBlt(): invalid HDC") );
// do we have AlphaBlend() and company in the headers?
#if defined(AC_SRC_OVER) && wxUSE_DYNLIB_CLASS
BLENDFUNCTION);
static AlphaBlend_t
- pfnAlphaBlend = (AlphaBlend_t)wxMSIMG32DLL.GetSymbol(_T("AlphaBlend"));
+ pfnAlphaBlend = (AlphaBlend_t)wxMSIMG32DLL.GetSymbol(wxT("AlphaBlend"));
if ( pfnAlphaBlend )
{
BLENDFUNCTION bf;
return true;
}
- wxLogLastError(_T("AlphaBlend"));
+ wxLogLastError(wxT("AlphaBlend"));
}
#else
wxUnusedVar(hdcSrc);
// AlphaBlend() unavailable of failed: use our own (probably much slower)
// implementation
-#ifdef wxHAVE_RAW_BITMAP
+#ifdef wxHAS_RAW_BITMAP
wxAlphaBlend(hdcDst, x, y, dstWidth, dstHeight, srcX, srcY, srcWidth, srcHeight, bmp);
return true;
-#else // !wxHAVE_RAW_BITMAP
+#else // !wxHAS_RAW_BITMAP
// no wxAlphaBlend() neither, fall back to using simple BitBlt() (we lose
// alpha but at least something will be shown like this)
wxUnusedVar(bmp);
return false;
-#endif // wxHAVE_RAW_BITMAP
+#endif // wxHAS_RAW_BITMAP/!wxHAS_RAW_BITMAP
}
// wxAlphaBlend: our fallback if ::AlphaBlend() is unavailable
-#ifdef wxHAVE_RAW_BITMAP
+#ifdef wxHAS_RAW_BITMAP
static void
wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
int dstWidth, int dstHeight,
- int srcX, int srcY,
+ int srcX, int srcY,
int srcWidth, int srcHeight,
const wxBitmap& bmpSrc)
{
if ( !::BitBlt(hdcMem, 0, 0, dstWidth, dstHeight, hdcDst, xDst, yDst, SRCCOPY) )
{
- wxLogLastError(_T("BitBlt"));
+ wxLogLastError(wxT("BitBlt"));
}
// combine them with the source bitmap using alpha
dataSrc((wxBitmap &)bmpSrc);
wxCHECK_RET( dataDst && dataSrc,
- _T("failed to get raw data in wxAlphaBlend") );
+ wxT("failed to get raw data in wxAlphaBlend") );
wxAlphaPixelData::Iterator pDst(dataDst),
pSrc(dataSrc);
// and finally blit them back to the destination DC
if ( !::BitBlt(hdcDst, xDst, yDst, dstWidth, dstHeight, hdcMem, 0, 0, SRCCOPY) )
{
- wxLogLastError(_T("BitBlt"));
+ wxLogLastError(wxT("BitBlt"));
}
}
-#endif // #ifdef wxHAVE_RAW_BITMAP
+#endif // wxHAS_RAW_BITMAP
void wxMSWDCImpl::DoGradientFillLinear (const wxRect& rect,
const wxColour& initialColour,
typedef BOOL
(WINAPI *GradientFill_t)(HDC, PTRIVERTEX, ULONG, PVOID, ULONG, ULONG);
static GradientFill_t pfnGradientFill =
- (GradientFill_t)wxMSIMG32DLL.GetSymbol(_T("GradientFill"));
+ (GradientFill_t)wxMSIMG32DLL.GetSymbol(wxT("GradientFill"));
if ( pfnGradientFill )
{
return;
}
- wxLogLastError(_T("GradientFill"));
+ wxLogLastError(wxT("GradientFill"));
}
#endif // wxUSE_DYNLIB_CLASS
{
typedef DWORD (WINAPI *GetLayout_t)(HDC);
static GetLayout_t
- wxDL_INIT_FUNC(s_pfn, GetLayout, wxDynamicLibrary(_T("gdi32.dll")));
+ wxDL_INIT_FUNC(s_pfn, GetLayout, wxDynamicLibrary(wxT("gdi32.dll")));
return s_pfnGetLayout ? s_pfnGetLayout(hdc) : (DWORD)-1;
}
{
typedef DWORD (WINAPI *SetLayout_t)(HDC, DWORD);
static SetLayout_t
- wxDL_INIT_FUNC(s_pfn, SetLayout, wxDynamicLibrary(_T("gdi32.dll")));
+ wxDL_INIT_FUNC(s_pfn, SetLayout, wxDynamicLibrary(wxT("gdi32.dll")));
if ( !s_pfnSetLayout )
return;
projects / wxWidgets.git / blobdiff