X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fb46a9a6c6f291806a5fecbb848930c344e17e11..3ad1cd4a67d26b431d163d798f980dfb3628681e:/src/os2/dc.cpp

diff --git a/src/os2/dc.cpp b/src/os2/dc.cpp
index a5787d1f03..63a91c8b71 100644
--- a/src/os2/dc.cpp
+++ b/src/os2/dc.cpp
@@ -31,9 +31,7 @@
 
 #include "wx/os2/private.h"
 
-#if !USE_SHARED_LIBRARY
     IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
-#endif
 
 // ---------------------------------------------------------------------------
 // constants
@@ -44,6 +42,18 @@ static const int VIEWPORT_EXTENT = 1000;
 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
 // ===========================================================================
@@ -54,17 +64,17 @@ static const int MM_METRIC = 10;
 
 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)
@@ -79,69 +89,71 @@ void wxDC::SelectOldObjects(WXHDC dc)
 {
     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( long x, long y
-                               ,long width, long height
+void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y
+                               ,wxCoord width, wxCoord height
                               )
 {
    // 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)
@@ -182,8 +194,8 @@ void wxDC::Clear()
    // TODO
 }
 
-void wxDC::DoFloodFill( long x
-                       ,long y
+void wxDC::DoFloodFill( wxCoord x
+                       ,wxCoord y
                        ,const wxColour& col
                        ,int style
                       )
@@ -191,37 +203,43 @@ void wxDC::DoFloodFill( long x
    // TODO
 }
 
-bool wxDC::DoGetPixel(long x, long y, wxColour *col) const
+bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
 {
    // TODO
    return(TRUE);
 }
 
-void wxDC::DoCrossHair(long x, long y)
+void wxDC::DoCrossHair(wxCoord x, wxCoord y)
 {
    // TODO
 }
 
-void wxDC::DoDrawLine(long x1, long y1, long x2, long y2)
+void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 {
    // TODO
 }
 
-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
                     )
 {
    // TODO
 }
 
-void wxDC::DoDrawPoint(long x, long y)
+void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
+                           wxCoord width, wxCoord height)
+{
+    // TODO
+}
+
+void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
 {
    // TODO
 }
 
 void wxDC::DoDrawPolygon(int n, wxPoint points[]
-                         ,long xoffset, long yoffset
+                         ,wxCoord xoffset, wxCoord yoffset
                          ,int fillStyle
                         )
 {
@@ -229,34 +247,34 @@ void wxDC::DoDrawPolygon(int n, wxPoint points[]
 }
 
 void wxDC::DoDrawLines( int n, wxPoint points[]
-                       ,long xoffset, long yoffset
+                       ,wxCoord xoffset, wxCoord yoffset
                       )
 {
    // TODO
 }
 
-void wxDC::DoDrawRectangle(long x, long y, long width, long height)
+void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 {
    // TODO
 }
 
-void wxDC::DoDrawRoundedRectangle( long x, long y
-                                  ,long width, long height
+void wxDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y
+                                  ,wxCoord width, wxCoord height
                                   ,double radius
                                  )
 {
    // TODO
 }
 
-void wxDC::DoDrawEllipse(long x, long y, long width, long height)
+void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 {
    // TODO
 }
 
-void wxDC::DoDrawEllipticArc( long x
-                             ,long y
-                             ,long w
-                             ,long h
+void wxDC::DoDrawEllipticArc( wxCoord x
+                             ,wxCoord y
+                             ,wxCoord w
+                             ,wxCoord h
                              ,double sa
                              ,double ea
                             )
@@ -264,24 +282,85 @@ void wxDC::DoDrawEllipticArc( long x
    // TODO
 }
 
-void wxDC::DoDrawIcon(const wxIcon& icon, long x, long y)
+void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
 {
    // TODO
 }
 
 void wxDC::DoDrawBitmap( const wxBitmap &bmp
-                        ,long x, long y
+                        ,wxCoord x, wxCoord y
                         ,bool useMask
                        )
 {
    // TODO
 }
 
-void wxDC::DoDrawText(const wxString& text, long x, long y)
+void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
 {
    // 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
 // ---------------------------------------------------------------------------
@@ -291,9 +370,39 @@ void wxDC::SetPalette(const wxPalette& palette)
    // 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)
@@ -374,25 +483,25 @@ void wxDC::EndPage()
 // text metrics
 // ---------------------------------------------------------------------------
 
-long wxDC::GetCharHeight() const
+wxCoord wxDC::GetCharHeight() const
 {
     // TODO
     return(1);
 }
 
-long wxDC::GetCharWidth() const
+wxCoord wxDC::GetCharWidth() const
 {
     // TODO
     return(1);
 }
 
-void wxDC::GetTextExtent( const wxString& string
-                         ,long* x
-                         ,long* y
-                         ,long* decent
-                         ,long* externalLeading
-                         ,wxFont* theFont
-                        ) const
+void wxDC::DoGetTextExtent( const wxString& string
+                           ,wxCoord* x
+                           ,wxCoord* y
+                           ,wxCoord* decent
+                           ,wxCoord* externalLeading
+                           ,wxFont* theFont
+                          ) const
 {
    // TODO:
 }
@@ -426,12 +535,12 @@ void wxDC::SetSystemScale(double x, double y)
     SetMapMode(m_mappingMode);
 }
 
-void wxDC::SetLogicalOrigin( long x, long y )
+void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 {
     // TODO:
 };
 
-void wxDC::SetDeviceOrigin( long x, long y )
+void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 {
     // TODO:
 };
@@ -440,85 +549,57 @@ void wxDC::SetDeviceOrigin( long x, long y )
 // coordinates transformations
 // ---------------------------------------------------------------------------
 
-long wxDCBase::DeviceToLogicalX(long x) const
+wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
 {
-    long new_x = x - m_deviceOriginX;
-    if (new_x > 0)
-        return (long)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
-    else
-        return (long)((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);
+}
 
-long wxDCBase::DeviceToLogicalXRel(long x) const
+wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
 {
-    if (x > 0)
-        return (long)((double)(x) / m_scaleX + 0.5);
-    else
-        return (long)((double)(x) / m_scaleX - 0.5);
-};
+    return (wxCoord) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX));
+}
 
-long wxDCBase::DeviceToLogicalY(long y) const
+wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
 {
-    long new_y = y - m_deviceOriginY;
-    if (new_y > 0)
-        return (long)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
-    else
-        return (long)((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);
+}
 
-long wxDCBase::DeviceToLogicalYRel(long y) const
+wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
 {
-    if (y > 0)
-        return (long)((double)(y) / m_scaleY + 0.5);
-    else
-        return (long)((double)(y) / m_scaleY - 0.5);
-};
+    return (wxCoord) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY));
+}
 
-long wxDCBase::LogicalToDeviceX(long x) const
+wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
 {
-    long new_x = x - m_logicalOriginX;
-    if (new_x > 0)
-        return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
-    else
-    return (long)((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);
+}
 
-long wxDCBase::LogicalToDeviceXRel(long x) const
+wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
 {
-    if (x > 0)
-        return (long)((double)(x) * m_scaleX + 0.5);
-    else
-        return (long)((double)(x) * m_scaleX - 0.5);
-};
+    return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX);
+}
 
-long wxDCBase::LogicalToDeviceY(long y) const
+wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
 {
-    long new_y = y - m_logicalOriginY;
-    if (new_y > 0)
-        return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
-    else
-        return (long)((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);
+}
 
-long wxDCBase::LogicalToDeviceYRel(long y) const
+wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
 {
-    if (y > 0)
-        return (long)((double)(y) * m_scaleY + 0.5);
-    else
-        return (long)((double)(y) * m_scaleY - 0.5);
-};
+    return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY);
+}
 
 // ---------------------------------------------------------------------------
 // bit blit
 // ---------------------------------------------------------------------------
 
-bool wxDC::DoBlit( long xdest
-                  ,long ydest
-                  ,long width
-                  ,long height
+bool wxDC::DoBlit( wxCoord xdest
+                  ,wxCoord ydest
+                  ,wxCoord width
+                  ,wxCoord height
                   ,wxDC *source
-                  ,long xsrc
-                  ,long ysrc
+                  ,wxCoord xsrc
+                  ,wxCoord ysrc
                   ,int  rop
                   ,bool useMask
                  )
@@ -555,7 +636,7 @@ void wxDC::DoGetTextExtent(const wxString& string, float *x, float *y,
                          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)