#include "wx/os2/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
// ===========================================================================
wxDC::wxDC(void)
{
- m_canvas = NULL;
+ m_pCanvas = NULL;
- m_oldBitmap = 0;
- m_oldPen = 0;
- m_oldBrush = 0;
- m_oldFont = 0;
- m_oldPalette = 0;
+ m_hOldBitmap = 0;
+ m_hOldPen = 0;
+ m_hOldBrush = 0;
+ m_hOldFont = 0;
+ m_hOldPalette = 0;
- m_bOwnsDC = FALSE;
- m_hDC = 0;
- m_hDCCount = 0;
+ m_bOwnsDC = FALSE;
+ m_hDC = 0;
+ m_nDCCount = 0;
};
wxDC::~wxDC(void)
{
if (dc)
{
- if (m_oldBitmap)
+ if (m_hOldBitmap)
{
// ::SelectObject((HDC) dc, (HBITMAP) m_oldBitmap);
- if (m_selectedBitmap.Ok())
+ if (m_vSelectedBitmap.Ok())
{
- m_selectedBitmap.SetSelectedInto(NULL);
+ m_vSelectedBitmap.SetSelectedInto(NULL);
}
}
- m_oldBitmap = 0;
- if (m_oldPen)
+ m_hOldBitmap = 0;
+ if (m_hOldPen)
{
// ::SelectObject((HDC) dc, (HPEN) m_oldPen);
}
- m_oldPen = 0;
- if (m_oldBrush)
+ m_hOldPen = 0;
+ if (m_hOldBrush)
{
// ::SelectObject((HDC) dc, (HBRUSH) m_oldBrush);
}
- m_oldBrush = 0;
- if (m_oldFont)
+ m_hOldBrush = 0;
+ if (m_hOldFont)
{
// ::SelectObject((HDC) dc, (HFONT) m_oldFont);
}
- m_oldFont = 0;
- if (m_oldPalette)
+ m_hOldFont = 0;
+ if (m_hOldPalette)
{
// ::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, TRUE);
}
- m_oldPalette = 0;
+ m_hOldPalette = 0;
}
- m_brush = wxNullBrush;
- m_pen = wxNullPen;
- m_palette = wxNullPalette;
- m_font = wxNullFont;
+ m_brush = wxNullBrush;
+ m_pen = wxNullPen;
+ m_palette = wxNullPalette;
+ m_font = wxNullFont;
m_backgroundBrush = wxNullBrush;
- m_selectedBitmap = wxNullBitmap;
+ m_vSelectedBitmap = wxNullBitmap;
}
// ---------------------------------------------------------------------------
// clipping
// ---------------------------------------------------------------------------
-void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
-{
- // TODO
+#define DO_SET_CLIPPING_BOX() \
+{ \
+ RECT rect; \
+ \
+ GetClipBox(GetHdc(), &rect); \
+ \
+ m_clipX1 = (wxCoord) XDEV2LOG(rect.left); \
+ m_clipY1 = (wxCoord) YDEV2LOG(rect.top); \
+ m_clipX2 = (wxCoord) XDEV2LOG(rect.right); \
+ m_clipY2 = (wxCoord) YDEV2LOG(rect.bottom); \
}
void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y
// TODO
}
-void wxDC::DoClipping(WXHDC dc)
+void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
{
- if (m_clipping && dc)
- {
-// TODO:
-// IntersectClipRect((HDC) dc, XLOG2DEV(m_clipX1), YLOG2DEV(m_clipY1),
-// XLOG2DEV(m_clipX2), YLOG2DEV(m_clipY2));
- }
+ // TODO
}
void wxDC::DestroyClippingRegion(void)
// TODO
}
+void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
+ wxCoord width, wxCoord height)
+{
+ // TODO
+}
+
void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
{
// TODO
// TODO
}
+void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
+{
+ // TODO
+}
+
+void wxDC::DoDrawRotatedText(const wxString& text,
+ wxCoord x, wxCoord y,
+ double angle)
+{
+ // TODO:
+ /*
+ if ( angle == 0.0 )
+ {
+ DoDrawText(text, x, y);
+ }
+ else
+ {
+ LOGFONT lf;
+ wxFillLogFont(&lf, &m_font);
+
+ // GDI wants the angle in tenth of degree
+ long angle10 = (long)(angle * 10);
+ lf.lfEscapement = angle10;
+ lf. lfOrientation = angle10;
+
+ HFONT hfont = ::CreateFontIndirect(&lf);
+ if ( !hfont )
+ {
+ wxLogLastError("CreateFont");
+ }
+ else
+ {
+ HFONT hfontOld = ::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));
+ CalcBoundingBox(x + h*sin(rad), y + h*cos(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));
+ }
+*/
+}
+
// ---------------------------------------------------------------------------
// set GDI objects
// ---------------------------------------------------------------------------
// TODO
}
-void wxDC::SetFont(const wxFont& font)
+void wxDC::SetFont(
+ const wxFont& rFont
+)
{
- // TODO
+ //
+ // Set the old object temporarily, in case the assignment deletes an object
+ // that's not yet selected out.
+ //
+ if (m_hOldFont)
+ {
+// ::SelectObject(GetHdc(), (HFONT) m_hOldFont);
+ m_hOldFont = 0;
+ }
+
+ m_font = rFont;
+
+ if (!rFont.Ok())
+ {
+ if (m_hOldFont)
+// ::SelectObject(GetHdc(), (HFONT) m_hOldFont);
+ m_hOldFont = 0;
+ }
+
+ if (m_font.Ok() && m_font.GetResourceHandle())
+ {
+ HFONT hFont = (HFONT)0; //::SelectObject(GetHdc(), (HFONT) m_font.GetResourceHandle());
+ if (hFont == (HFONT) NULL)
+ {
+ wxLogDebug(wxT("::SelectObject failed in wxDC::SetFont."));
+ }
+ if (!m_hOldFont)
+ m_hOldFont = (WXHFONT) hFont;
+ }
}
void wxDC::SetPen(const wxPen& pen)
wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
{
- wxCoord new_x = x - m_deviceOriginX;
- if (new_x > 0)
- return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
- else
- return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
-};
+ return (wxCoord) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX) - m_logicalOriginX);
+}
wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
{
- if (x > 0)
- return (wxCoord)((double)(x) / m_scaleX + 0.5);
- else
- return (wxCoord)((double)(x) / m_scaleX - 0.5);
-};
+ return (wxCoord) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX));
+}
wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
{
- wxCoord new_y = y - m_deviceOriginY;
- if (new_y > 0)
- return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
- else
- return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
-};
+ return (wxCoord) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY) - m_logicalOriginY);
+}
wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
{
- if (y > 0)
- return (wxCoord)((double)(y) / m_scaleY + 0.5);
- else
- return (wxCoord)((double)(y) / m_scaleY - 0.5);
-};
+ return (wxCoord) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY));
+}
wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
{
- wxCoord new_x = x - m_logicalOriginX;
- if (new_x > 0)
- return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
- else
- return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
-};
+ return (wxCoord) ((x - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX + m_deviceOriginX);
+}
wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
{
- if (x > 0)
- return (wxCoord)((double)(x) * m_scaleX + 0.5);
- else
- return (wxCoord)((double)(x) * m_scaleX - 0.5);
-};
+ return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX);
+}
wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
{
- wxCoord new_y = y - m_logicalOriginY;
- if (new_y > 0)
- return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
- else
- return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
-};
+ return (wxCoord) ((y - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY + m_deviceOriginY);
+}
wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
{
- if (y > 0)
- return (wxCoord)((double)(y) * m_scaleY + 0.5);
- else
- return (wxCoord)((double)(y) * m_scaleY - 0.5);
-};
+ return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY);
+}
// ---------------------------------------------------------------------------
// bit blit
projects / wxWidgets.git / blobdiff