X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/af0bb3b161bc687d4a53a83c930c807bfa300a2d..7b9da2077d0975db6c965a85c91d5aca671ab5e3:/src/motif/dcclient.cpp?ds=inline

diff --git a/src/motif/dcclient.cpp b/src/motif/dcclient.cpp
index 8336c61a64..42ad9258d7 100644
--- a/src/motif/dcclient.cpp
+++ b/src/motif/dcclient.cpp
@@ -127,6 +127,7 @@ wxWindowDC::wxWindowDC( wxWindow *window )
     wxASSERT_MSG( (window != (wxWindow*) NULL), "You must pass a valid wxWindow to wxWindowDC/wxClientDC/wxPaintDC constructor." );
 
     m_window = window;
+    m_font = window->GetFont();
     m_gc = (WXGC) 0;
     m_gcBacking = (WXGC) 0;
     m_backgroundPixel = -1;
@@ -203,20 +204,20 @@ wxWindowDC::~wxWindowDC()
     m_userRegion = (WXRegion) 0;
 }
 
-void wxWindowDC::DoFloodFill( long WXUNUSED(x1), long WXUNUSED(y1),
+void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1),
                            const wxColour& WXUNUSED(col), int WXUNUSED(style) )
 {
     wxFAIL_MSG("not implemented");
 }
 
-bool wxWindowDC::DoGetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
+bool wxWindowDC::DoGetPixel( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
 {
     wxFAIL_MSG("not implemented");
 
     return FALSE;
 }
 
-void wxWindowDC::DoDrawLine( long x1, long y1, long x2, long y2 )
+void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -243,7 +244,7 @@ void wxWindowDC::DoDrawLine( long x1, long y1, long x2, long y2 )
     CalcBoundingBox(x2, y2);
 }
 
-void wxWindowDC::DoCrossHair( long x, long y )
+void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -272,7 +273,7 @@ void wxWindowDC::DoCrossHair( long x, long y )
     }
 }
 
-void wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2, long xc, long yc )
+void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -287,10 +288,10 @@ void wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2, long xc, long yc
     int xxc_2 = XLOG2DEV_2 (xc);
     int yyc_2 = YLOG2DEV_2 (yc);
 
-    long dx = xx1 - xxc;
-    long dy = yy1 - yyc;
+    wxCoord dx = xx1 - xxc;
+    wxCoord dy = yy1 - yyc;
     double radius = sqrt (dx * dx + dy * dy);
-    long r = (long) radius;
+    wxCoord r = (wxCoord) radius;
 
     double radius1, radius2;
 
@@ -355,7 +356,7 @@ void wxWindowDC::DoDrawArc( long x1, long y1, long x2, long y2, long xc, long yc
     CalcBoundingBox (x2, y2);
 }
 
-void wxWindowDC::DoDrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
+void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -400,7 +401,7 @@ void wxWindowDC::DoDrawEllipticArc( long x, long y, long width, long height, dou
     CalcBoundingBox (x + width, y + height);
 }
 
-void wxWindowDC::DoDrawPoint( long x, long y )
+void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -416,7 +417,7 @@ void wxWindowDC::DoDrawPoint( long x, long y )
     CalcBoundingBox (x, y);
 }
 
-void wxWindowDC::DoDrawLines( int n, wxPoint points[], long xoffset, long yoffset )
+void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -451,7 +452,7 @@ void wxWindowDC::DoDrawLines( int n, wxPoint points[], long xoffset, long yoffse
 }
 
 void wxWindowDC::DoDrawPolygon( int n, wxPoint points[],
-                                long xoffset, long yoffset, int fillStyle )
+                                wxCoord xoffset, wxCoord yoffset, int fillStyle )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -504,7 +505,7 @@ void wxWindowDC::DoDrawPolygon( int n, wxPoint points[],
     delete[]xpoints2;
 }
 
-void wxWindowDC::DoDrawRectangle( long x, long y, long width, long height )
+void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -549,7 +550,7 @@ void wxWindowDC::DoDrawRectangle( long x, long y, long width, long height )
     CalcBoundingBox (x + width, y + height);
 }
 
-void wxWindowDC::DoDrawRoundedRectangle( long x, long y, long width, long height, double radius )
+void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -713,7 +714,7 @@ void wxWindowDC::DoDrawRoundedRectangle( long x, long y, long width, long height
 
 }
 
-void wxWindowDC::DoDrawEllipse( long x, long y, long width, long height )
+void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -776,7 +777,7 @@ bool wxWindowDC::CanDrawBitmap() const
 }
 
 #if 0
-void wxWindowDC::DoDrawIcon( const wxIcon &icon, long x, long y)
+void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y)
 {
     //  FreeGetPixelCache();
 
@@ -836,8 +837,8 @@ void wxWindowDC::DoDrawIcon( const wxIcon &icon, long x, long y)
 #endif // 0
 
 // TODO: use scaled Blit e.g. as per John Price's implementation in Contrib/Utilities
-bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height,
-                         wxDC *source, long xsrc, long ysrc, int rop, bool useMask )
+bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+                         wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask )
 {
     wxCHECK_MSG( Ok(), FALSE, "invalid dc" );
 
@@ -1010,7 +1011,7 @@ bool wxWindowDC::DoBlit( long xdest, long ydest, long width, long height,
   return FALSE;
 }
 
-void wxWindowDC::DoDrawText( const wxString &text, long x, long y )
+void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
@@ -1154,7 +1155,7 @@ void wxWindowDC::DoDrawText( const wxString &text, long x, long y )
             XLOG2DEV_2 (x), YLOG2DEV_2 (y) + ascent, (char*) (const char*) text, slen);
     }
 
-    long w, h;
+    wxCoord w, h;
     GetTextExtent (text, &w, &h);
     CalcBoundingBox (x + w, y + h);
     CalcBoundingBox (x, y);
@@ -1165,8 +1166,8 @@ bool wxWindowDC::CanGetTextExtent() const
     return TRUE;
 }
 
-void wxWindowDC::GetTextExtent( const wxString &string, long *width, long *height,
-                                long *descent, long *externalLeading,
+void wxWindowDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
+                                wxCoord *descent, wxCoord *externalLeading,
                                 wxFont *font ) const
 {
     wxCHECK_RET( Ok(), "invalid dc" );
@@ -1180,8 +1181,8 @@ void wxWindowDC::GetTextExtent( const wxString &string, long *width, long *heigh
         // TODO: this should be an error log function
         wxFAIL_MSG("set a valid font before calling GetTextExtent!");
 
-        *width = -1;
-        *height = -1;
+        if (width) *width = -1;
+        if (height) *height = -1;
         return;
     }
 
@@ -1207,15 +1208,15 @@ void wxWindowDC::GetTextExtent( const wxString &string, long *width, long *heigh
         XTextExtents((XFontStruct*) pFontStruct, (char*) (const char*) string, slen, &direction,
         &ascent, &descent2, &overall);
 
-    *width = XDEV2LOGREL (overall.width);
-    *height = YDEV2LOGREL (ascent + descent2);
+    if (width) *width = XDEV2LOGREL (overall.width);
+    if (height) *height = YDEV2LOGREL (ascent + descent2);
     if (descent)
         *descent = descent2;
     if (externalLeading)
         *externalLeading = 0;
 }
 
-long wxWindowDC::GetCharWidth() const
+wxCoord wxWindowDC::GetCharWidth() const
 {
     wxCHECK_MSG( Ok(), 0, "invalid dc" );
     wxCHECK_MSG( m_font.Ok(), 0, "invalid font" );
@@ -1229,7 +1230,7 @@ long wxWindowDC::GetCharWidth() const
     return XDEV2LOGREL(overall.width);
 }
 
-long wxWindowDC::GetCharHeight() const
+wxCoord wxWindowDC::GetCharHeight() const
 {
     wxCHECK_MSG( Ok(), 0, "invalid dc" );
     wxCHECK_MSG( m_font.Ok(), 0, "invalid font" );
@@ -1308,7 +1309,7 @@ void wxWindowDC::SetFont( const wxFont &font )
 
     if (!m_font.Ok())
     {
-        if ((m_oldFont != (WXFont) 0) && ((long) m_oldFont != -1))
+        if ((m_oldFont != (WXFont) 0) && ((wxCoord) m_oldFont != -1))
         {
             XSetFont ((Display*) m_display, (GC) m_gc, (Font) m_oldFont);
 
@@ -1380,10 +1381,10 @@ void wxWindowDC::SetPen( const wxPen &pen )
         int style;
         int join;
         int cap;
-        const static char dotted[] = {2, 5};
-        const static char short_dashed[] = {4, 4};
-        const static char long_dashed[] = {4, 8};
-        const static char dotted_dashed[] = {6, 6, 2, 6};
+        static const char dotted[] = {2, 5};
+        static const char short_dashed[] = {4, 4};
+        static const char long_dashed[] = {4, 8};
+        static const char dotted_dashed[] = {6, 6, 2, 6};
 
         // We express dash pattern in pen width unit, so we are
         // independent of zoom factor and so on...
@@ -1990,9 +1991,9 @@ void wxWindowDC::SetDCClipping()
 
 }
 
-void wxWindowDC::DoSetClippingRegion( long x, long y, long width, long height )
+void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 {
-    wxDC::SetClippingRegion( x, y, width, height );
+    wxDC::DoSetClippingRegion( x, y, width, height );
 
     if (m_userRegion)
         XDestroyRegion ((Region) m_userRegion);
@@ -2023,7 +2024,7 @@ void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion& region )
 {
     wxRect box = region.GetBox();
 
-    wxDC::SetClippingRegion( box.x, box.y, box.width, box.height );
+    wxDC::DoSetClippingRegion( box.x, box.y, box.width, box.height );
 
     if (m_userRegion)
         XDestroyRegion ((Region) m_userRegion);
@@ -2075,6 +2076,178 @@ int wxWindowDC::GetDepth() const
     return 24;
 }
 
+#if wxUSE_SPLINES
+// ----------------------------------- spline code ----------------------------------------
+
+void wx_quadratic_spline(double a1, double b1, double a2, double b2,
+                         double a3, double b3, double a4, double b4);
+void wx_clear_stack();
+int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3,
+        double *y3, double *x4, double *y4);
+void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3,
+          double x4, double y4);
+static bool wx_spline_add_point(double x, double y);
+static void wx_spline_draw_point_array(wxDC *dc);
+
+wxList wx_spline_point_list;
+
+#define                half(z1, z2)        ((z1+z2)/2.0)
+#define                THRESHOLD        5
+
+/* iterative version */
+
+void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, double b3, double a4,
+                 double b4)
+{
+    register double  xmid, ymid;
+    double           x1, y1, x2, y2, x3, y3, x4, y4;
+
+    wx_clear_stack();
+    wx_spline_push(a1, b1, a2, b2, a3, b3, a4, b4);
+
+    while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) {
+        xmid = (double)half(x2, x3);
+        ymid = (double)half(y2, y3);
+        if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD &&
+            fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) {
+            wx_spline_add_point( x1, y1 );
+            wx_spline_add_point( xmid, ymid );
+        } else {
+            wx_spline_push(xmid, ymid, (double)half(xmid, x3), (double)half(ymid, y3),
+                 (double)half(x3, x4), (double)half(y3, y4), x4, y4);
+            wx_spline_push(x1, y1, (double)half(x1, x2), (double)half(y1, y2),
+                 (double)half(x2, xmid), (double)half(y2, ymid), xmid, ymid);
+        }
+    }
+}
+
+/* utilities used by spline drawing routines */
+
+typedef struct wx_spline_stack_struct {
+    double           x1, y1, x2, y2, x3, y3, x4, y4;
+} Stack;
+
+#define         SPLINE_STACK_DEPTH             20
+static Stack    wx_spline_stack[SPLINE_STACK_DEPTH];
+static Stack   *wx_stack_top;
+static int      wx_stack_count;
+
+void wx_clear_stack()
+{
+    wx_stack_top = wx_spline_stack;
+    wx_stack_count = 0;
+}
+
+void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
+{
+    wx_stack_top->x1 = x1;
+    wx_stack_top->y1 = y1;
+    wx_stack_top->x2 = x2;
+    wx_stack_top->y2 = y2;
+    wx_stack_top->x3 = x3;
+    wx_stack_top->y3 = y3;
+    wx_stack_top->x4 = x4;
+    wx_stack_top->y4 = y4;
+    wx_stack_top++;
+    wx_stack_count++;
+}
+
+int wx_spline_pop(double *x1, double *y1, double *x2, double *y2,
+                  double *x3, double *y3, double *x4, double *y4)
+{
+    if (wx_stack_count == 0)
+        return (0);
+    wx_stack_top--;
+    wx_stack_count--;
+    *x1 = wx_stack_top->x1;
+    *y1 = wx_stack_top->y1;
+    *x2 = wx_stack_top->x2;
+    *y2 = wx_stack_top->y2;
+    *x3 = wx_stack_top->x3;
+    *y3 = wx_stack_top->y3;
+    *x4 = wx_stack_top->x4;
+    *y4 = wx_stack_top->y4;
+    return (1);
+}
+
+static bool wx_spline_add_point(double x, double y)
+{
+  wxPoint *point = new wxPoint ;
+  point->x = (int) x;
+  point->y = (int) y;
+  wx_spline_point_list.Append((wxObject*)point);
+  return TRUE;
+}
+
+static void wx_spline_draw_point_array(wxDC *dc)
+{
+  dc->DrawLines(&wx_spline_point_list, 0, 0 );
+  wxNode *node = wx_spline_point_list.First();
+  while (node)
+  {
+    wxPoint *point = (wxPoint *)node->Data();
+    delete point;
+    delete node;
+    node = wx_spline_point_list.First();
+  }
+}
+
+void wxWindowDC::DoDrawSpline( wxList *points )
+{
+    wxCHECK_RET( Ok(), wxT("invalid window dc") );
+  
+    wxPoint *p;
+    double           cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
+    double           x1, y1, x2, y2;
+
+    wxNode *node = points->First();
+    p = (wxPoint *)node->Data();
+
+    x1 = p->x;
+    y1 = p->y;
+
+    node = node->Next();
+    p = (wxPoint *)node->Data();
+
+    x2 = p->x;
+    y2 = p->y;
+    cx1 = (double)((x1 + x2) / 2);
+    cy1 = (double)((y1 + y2) / 2);
+    cx2 = (double)((cx1 + x2) / 2);
+    cy2 = (double)((cy1 + y2) / 2);
+
+    wx_spline_add_point(x1, y1);
+
+    while ((node = node->Next()) != NULL)
+    {
+        p = (wxPoint *)node->Data();
+        x1 = x2;
+        y1 = y2;
+        x2 = p->x;
+        y2 = p->y;
+        cx4 = (double)(x1 + x2) / 2;
+        cy4 = (double)(y1 + y2) / 2;
+        cx3 = (double)(x1 + cx4) / 2;
+        cy3 = (double)(y1 + cy4) / 2;
+
+        wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
+
+        cx1 = cx4;
+        cy1 = cy4;
+        cx2 = (double)(cx1 + x2) / 2;
+        cy2 = (double)(cy1 + y2) / 2;
+    }
+
+    wx_spline_add_point( cx1, cy1 );
+    wx_spline_add_point( x2, y2 );
+
+    wx_spline_draw_point_array( this );
+}
+
+#endif // wxUSE_SPLINE
+
+
+
 // ----------------------------------------------------------------------------
 // wxPaintDC
 // ----------------------------------------------------------------------------
@@ -2111,6 +2284,9 @@ wxPaintDC::wxPaintDC(wxWindow* win) : wxWindowDC(win)
 
     win->SetUpdateRegion(*region);
 
+    wxRegion& theRegion(win->GetUpdateRegion());
+    theRegion.SetRects(updateRects); // We also store in terms of rects, for iteration to work.
+
     // Set the clipping region. Any user-defined region will be combined with this
     // one in SetDCClipping.
     XSetRegion ((Display*) m_display, (GC) m_gc, (Region) region->GetXRegion());