#include "wx/msw/private.h"
-#if !USE_SHARED_LIBRARY
IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
-#endif
// ---------------------------------------------------------------------------
// constants
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
+// ---------------------------------------------------------------------------
+
+// convert degrees to radians
+static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
+
// ===========================================================================
// implementation
// ===========================================================================
// clipping
// ---------------------------------------------------------------------------
-void wxDC::DoSetClippingRegion(long cx, long cy, long cw, long ch)
+void wxDC::DoSetClippingRegion(wxCoord cx, wxCoord cy, wxCoord cw, wxCoord ch)
{
m_clipping = TRUE;
m_clipX1 = (int)cx;
::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
}
-void wxDC::DoFloodFill(long x, long y, const wxColour& col, int style)
+void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
{
(void)ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
col.GetPixel(),
CalcBoundingBox(x, y);
}
-bool wxDC::DoGetPixel(long x, long y, wxColour *col) const
+bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
{
// added by steve 29.12.94 (copied from DrawPoint)
// returns TRUE for pixels in the color of the current pen
return(pixelcolor==pencolor);
}
-void wxDC::DoCrossHair(long x, long y)
+void wxDC::DoCrossHair(wxCoord x, wxCoord y)
{
- long x1 = x-VIEWPORT_EXTENT;
- long y1 = y-VIEWPORT_EXTENT;
- long x2 = x+VIEWPORT_EXTENT;
- long y2 = y+VIEWPORT_EXTENT;
+ wxCoord x1 = x-VIEWPORT_EXTENT;
+ wxCoord y1 = y-VIEWPORT_EXTENT;
+ wxCoord x2 = x+VIEWPORT_EXTENT;
+ wxCoord y2 = y+VIEWPORT_EXTENT;
(void)MoveToEx(GetHdc(), XLOG2DEV(x1), YLOG2DEV(y), NULL);
(void)LineTo(GetHdc(), XLOG2DEV(x2), YLOG2DEV(y));
CalcBoundingBox(x2, y2);
}
-void wxDC::DoDrawLine(long x1, long y1, long x2, long y2)
+void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
{
(void)MoveToEx(GetHdc(), XLOG2DEV(x1), YLOG2DEV(y1), NULL);
(void)LineTo(GetHdc(), XLOG2DEV(x2), YLOG2DEV(y2));
CalcBoundingBox(x2, y2);
}
-void wxDC::DoDrawArc(long x1,long y1,long x2,long y2, long xc, long yc)
+void wxDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2, wxCoord xc, wxCoord yc)
{
double dx = xc-x1;
double dy = yc-y1;
double radius = (double)sqrt(dx*dx+dy*dy) ;;
if (x1==x2 && x2==y2)
{
- DrawEllipse(xc,yc,(long)(radius*2.0),(long)(radius*2.0));
+ DrawEllipse(xc,yc,(wxCoord)(radius*2.0),(wxCoord)(radius*2.0));
return;
}
- long xx1 = XLOG2DEV(x1);
- long yy1 = YLOG2DEV(y1);
- long xx2 = XLOG2DEV(x2);
- long yy2 = YLOG2DEV(y2);
- long xxc = XLOG2DEV(xc);
- long yyc = YLOG2DEV(yc);
- long ray = (long) sqrt(double((xxc-xx1)*(xxc-xx1)+(yyc-yy1)*(yyc-yy1)));
+ wxCoord xx1 = XLOG2DEV(x1);
+ wxCoord yy1 = YLOG2DEV(y1);
+ wxCoord xx2 = XLOG2DEV(x2);
+ 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)));
(void)MoveToEx(GetHdc(), (int) xx1, (int) yy1, NULL);
- long xxx1 = (long) (xxc-ray);
- long yyy1 = (long) (yyc-ray);
- long xxx2 = (long) (xxc+ray);
- long yyy2 = (long) (yyc+ray);
+ 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)
{
// Have to add 1 to bottom-right corner of rectangle
Arc(GetHdc(),xxx1,yyy1,xxx2,yyy2,
xx1,yy1,xx2,yy2);
- CalcBoundingBox((long)(xc-radius), (long)(yc-radius));
- CalcBoundingBox((long)(xc+radius), (long)(yc+radius));
+ CalcBoundingBox((wxCoord)(xc-radius), (wxCoord)(yc-radius));
+ CalcBoundingBox((wxCoord)(xc+radius), (wxCoord)(yc+radius));
}
-void wxDC::DoDrawPoint(long x, long y)
+void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
{
COLORREF color = 0x00ffffff;
if (m_pen.Ok())
CalcBoundingBox(x, y);
}
-void wxDC::DoDrawPolygon(int n, wxPoint points[], long xoffset, long yoffset,int fillStyle)
+void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle)
{
// Do things less efficiently if we have offsets
if (xoffset != 0 || yoffset != 0)
}
}
-void wxDC::DoDrawLines(int n, wxPoint points[], long xoffset, long yoffset)
+void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
{
// Do things less efficiently if we have offsets
if (xoffset != 0 || yoffset != 0)
}
}
-void wxDC::DoDrawRectangle(long x, long y, long width, long height)
+void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
- long x2 = x + width;
- long y2 = y + height;
+ wxCoord x2 = x + width;
+ wxCoord y2 = y + height;
/* MATTHEW: [6] new normalization */
#if WX_STANDARD_GRAPHICS
CalcBoundingBox(x2, y2);
}
-void wxDC::DoDrawRoundedRectangle(long x, long y, long width, long height, double radius)
+void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
{
// Now, a negative radius value is interpreted to mean
// 'the proportion of the smallest X or Y dimension'
radius = (- radius * smallest);
}
- long x2 = (x+width);
- long y2 = (y+height);
+ wxCoord x2 = (x+width);
+ wxCoord y2 = (y+height);
(void)RoundRect(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2),
YLOG2DEV(y2), (int) (2*XLOG2DEV(radius)), (int)( 2*YLOG2DEV(radius)));
CalcBoundingBox(x2, y2);
}
-void wxDC::DoDrawEllipse(long x, long y, long width, long height)
+void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
- long x2 = (x+width);
- long y2 = (y+height);
+ wxCoord x2 = (x+width);
+ wxCoord y2 = (y+height);
(void)Ellipse(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
}
// Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows
-void wxDC::DoDrawEllipticArc(long x,long y,long w,long h,double sa,double ea)
+void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
{
- long x2 = (x+w);
- long y2 = (y+h);
+ wxCoord x2 = (x+w);
+ wxCoord y2 = (y+h);
- const double deg2rad = 3.14159265359 / 180.0;
int rx1 = XLOG2DEV(x+w/2);
int ry1 = YLOG2DEV(y+h/2);
int rx2 = rx1;
int ry2 = ry1;
- rx1 += (int)(100.0 * abs(w) * cos(sa * deg2rad));
- ry1 -= (int)(100.0 * abs(h) * m_signY * sin(sa * deg2rad));
- rx2 += (int)(100.0 * abs(w) * cos(ea * deg2rad));
- ry2 -= (int)(100.0 * abs(h) * m_signY * sin(ea * deg2rad));
+
+ sa = DegToRad(sa);
+ ea = DegToRad(ea);
+
+ rx1 += (int)(100.0 * abs(w) * cos(sa));
+ ry1 -= (int)(100.0 * abs(h) * m_signY * sin(sa));
+ rx2 += (int)(100.0 * abs(w) * cos(ea));
+ ry2 -= (int)(100.0 * abs(h) * m_signY * sin(ea));
// draw pie with NULL_PEN first and then outline otherwise a line is
// drawn from the start and end points to the centre
CalcBoundingBox(x2, y2);
}
-void wxDC::DoDrawIcon(const wxIcon& icon, long x, long y)
+void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
{
#if defined(__WIN32__) && !defined(__SC__) && !defined(__TWIN32__)
::DrawIconEx(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON(),
CalcBoundingBox(x+icon.GetWidth(), y+icon.GetHeight());
}
-void wxDC::DoDrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask )
+void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
{
if (!bmp.Ok())
return;
}
}
-void wxDC::DoDrawText(const wxString& text, long x, long y)
+void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
{
- if (m_textForegroundColour.Ok())
- SetTextColor(GetHdc(), m_textForegroundColour.GetPixel() );
+ DrawAnyText(text, x, y);
+
+ // update the bounding box
+ CalcBoundingBox(x, y);
+
+ wxCoord w, h;
+ GetTextExtent(text, &w, &h);
+ CalcBoundingBox(x + w, y + h);
+}
+
+void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
+{
+ // prepare for drawing the text
+ if ( m_textForegroundColour.Ok() )
+ SetTextColor(GetHdc(), m_textForegroundColour.GetPixel());
DWORD old_background = 0;
- if (m_textBackgroundColour.Ok())
+ if ( m_textBackgroundColour.Ok() )
{
old_background = SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() );
}
- if (m_backgroundMode == wxTRANSPARENT)
- SetBkMode(GetHdc(), TRANSPARENT);
- else
- SetBkMode(GetHdc(), OPAQUE);
+ SetBkMode(GetHdc(), m_backgroundMode == wxTRANSPARENT ? TRANSPARENT
+ : OPAQUE);
- (void)TextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), WXSTRINGCAST text, wxStrlen(WXSTRINGCAST text));
+ if ( ::TextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
+ text.c_str(), text.length()) == 0 )
+ {
+ wxLogLastError("TextOut");
+ }
- if (m_textBackgroundColour.Ok())
+ // 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);
- // background colour is used only for DrawText, otherwise
- // always TRANSPARENT, RR
SetBkMode(GetHdc(), TRANSPARENT);
+}
- CalcBoundingBox(x, y);
+void wxDC::DoDrawRotatedText(const wxString& text,
+ wxCoord x, wxCoord y,
+ double angle)
+{
+ // we test that we have some font because otherwise we should still use the
+ // "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() )
+ {
+ DoDrawText(text, x, y);
+ }
+ else
+ {
+ // NB: don't take DEFAULT_GUI_FONT because it's not TrueType and so
+ // can't have non zero orientation/escapement
+ wxFont font = m_font.Ok() ? m_font : *wxNORMAL_FONT;
+ HFONT hfont = (HFONT)font.GetResourceHandle();
+ LOGFONT lf;
+ if ( ::GetObject(hfont, sizeof(lf), &lf) == 0 )
+ {
+ wxLogLastError("GetObject(hfont)");
+ }
- long w, h;
- GetTextExtent(text, &w, &h);
- CalcBoundingBox((x + w), (y + h));
+ // GDI wants the angle in tenth of degree
+ long angle10 = (long)(angle * 10);
+ lf.lfEscapement = angle10;
+ lf. lfOrientation = angle10;
+
+ hfont = ::CreateFontIndirect(&lf);
+ if ( !hfont )
+ {
+ wxLogLastError("CreateFont");
+ }
+ else
+ {
+ HFONT hfontOld = (HFONT)::SelectObject(GetHdc(), hfont);
+
+ DrawAnyText(text, x, y);
+
+ (void)::SelectObject(GetHdc(), hfontOld);
+ }
+
+ // call the bounding box by adding all four vertices of the rectangle
+ // containing the text to it (simpler and probably not slower than
+ // determining which of them is really topmost/leftmost/...)
+ wxCoord w, h;
+ GetTextExtent(text, &w, &h);
+
+ double rad = DegToRad(angle);
+
+ // "upper left" and "upper right"
+ CalcBoundingBox(x, y);
+ CalcBoundingBox(x + w*cos(rad), y - h*sin(rad));
+
+ // "bottom left" and "bottom right"
+ x += (wxCoord)(h*sin(rad));
+ y += (wxCoord)(h*cos(rad));
+ CalcBoundingBox(x, y);
+ CalcBoundingBox(x + h*sin(rad), y + h*cos(rad));
+ }
}
// ---------------------------------------------------------------------------
// text metrics
// ---------------------------------------------------------------------------
-long wxDC::GetCharHeight() const
+wxCoord wxDC::GetCharHeight() const
{
TEXTMETRIC lpTextMetric;
return YDEV2LOGREL(lpTextMetric.tmHeight);
}
-long wxDC::GetCharWidth() const
+wxCoord wxDC::GetCharWidth() const
{
TEXTMETRIC lpTextMetric;
return XDEV2LOGREL(lpTextMetric.tmAveCharWidth);
}
-void wxDC::GetTextExtent(const wxString& string, long *x, long *y,
- long *descent, long *externalLeading,
- wxFont *theFont) const
+void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
+ wxCoord *descent, wxCoord *externalLeading,
+ wxFont *theFont) const
{
wxFont *fontToUse = (wxFont*) theFont;
if (!fontToUse)
SetMapMode(m_mappingMode);
}
-void wxDC::SetLogicalOrigin(long x, long y)
+void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y)
{
m_logicalOriginX = x;
m_logicalOriginY = y;
::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
}
-void wxDC::SetDeviceOrigin(long x, long y)
+void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y)
{
m_deviceOriginX = x;
m_deviceOriginY = y;
// coordinates transformations
// ---------------------------------------------------------------------------
-long wxDCBase::DeviceToLogicalX(long x) const
+wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
{
- return (long) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX) - m_logicalOriginX);
+ return (wxCoord) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX) - m_logicalOriginX);
}
-long wxDCBase::DeviceToLogicalXRel(long x) const
+wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
{
- return (long) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX));
+ return (wxCoord) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX));
}
-long wxDCBase::DeviceToLogicalY(long y) const
+wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
{
- return (long) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY) - m_logicalOriginY);
+ return (wxCoord) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY) - m_logicalOriginY);
}
-long wxDCBase::DeviceToLogicalYRel(long y) const
+wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
{
- return (long) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY));
+ return (wxCoord) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY));
}
-long wxDCBase::LogicalToDeviceX(long x) const
+wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
{
- return (long) ((x - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX + m_deviceOriginX);
+ return (wxCoord) ((x - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX + m_deviceOriginX);
}
-long wxDCBase::LogicalToDeviceXRel(long x) const
+wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
{
- return (long) (x*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX);
+ return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX);
}
-long wxDCBase::LogicalToDeviceY(long y) const
+wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
{
- return (long) ((y - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY + m_deviceOriginY);
+ return (wxCoord) ((y - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY + m_deviceOriginY);
}
-long wxDCBase::LogicalToDeviceYRel(long y) const
+wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
{
- return (long) (y*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY);
+ return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY);
}
// ---------------------------------------------------------------------------
// bit blit
// ---------------------------------------------------------------------------
-bool wxDC::DoBlit(long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int rop, bool useMask)
+bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+ wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask)
{
- long xdest1 = xdest;
- long ydest1 = ydest;
- long xsrc1 = xsrc;
- long ysrc1 = ysrc;
+ wxCoord xdest1 = xdest;
+ wxCoord ydest1 = ydest;
+ wxCoord xsrc1 = xsrc;
+ wxCoord ysrc1 = ysrc;
// Chris Breeze 18/5/98: use text foreground/background colours
// when blitting from 1-bit bitmaps
else
#endif
{
- // Old code
-#if 0
- HDC dc_mask = CreateCompatibleDC((HDC) source->m_hDC);
- ::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap());
- success = (BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height,
- dc_mask, xsrc1, ysrc1, 0x00220326 /* NOTSRCAND */) != 0);
- success = (BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height,
- (HDC) source->m_hDC, xsrc1, ysrc1, SRCPAINT) != 0);
- ::SelectObject(dc_mask, 0);
- ::DeleteDC(dc_mask);
-#endif
// New code from Chris Breeze, 15/7/98
// Blit bitmap with mask
}
else
{
+ // If we are printing, source colours are screen colours
+ // not printer colours and so we need copy the bitmap
+ // pixel by pixel.
if (IsKindOf(CLASSINFO(wxPrinterDC)))
{
- // If we are printing, source colours are screen colours
- // not printer colours and so we need copy the bitmap
- // pixel by pixel.
+ HDC dc_src = (HDC) source->m_hDC;
+ RECT rect;
+ for (int y = 0; y < height; y++)
+ {
+ // This is Stefan Csomor's optimisation, where
+ // identical adjacent pixels are drawn together.
+ // We still need a faster way of drawing bitmaps,
+ // perhaps converting to a DIB first and using SetDIBitsToDevice.
+ for (int x = 0; x < width; x++)
+ {
+ COLORREF col = ::GetPixel(dc_src, x, y) ;
+ HBRUSH brush = ::CreateSolidBrush( col );
+
+ rect.left = xdest1 + x;
+ rect.top = ydest1 + y;
+ while( (x + 1 < width) && (::GetPixel(dc_src, x + 1, y) == col ) )
+ {
+ ++x ;
+ }
+ rect.right = xdest1 + x + 1;
+ rect.bottom = rect.top + 1;
+ ::FillRect((HDC) m_hDC, &rect, brush);
+ ::DeleteObject(brush);
+ }
+ }
+/*
HDC dc_src = (HDC) source->m_hDC;
RECT rect;
for (int x = 0; x < width; x++)
::DeleteObject(brush);
}
}
- }
+*/
+ }
else
{
success = (BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height, (HDC) source->m_hDC,
float *descent, float *externalLeading,
wxFont *theFont, bool use16bit) const
{
- long x1, y1, descent1, externalLeading1;
+ wxCoord x1, y1, descent1, externalLeading1;
GetTextExtent(string, & x1, & y1, & descent1, & externalLeading1, theFont, use16bit);
*x = x1; *y = y1;
if (descent)
projects / wxWidgets.git / blobdiff