X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d02af7bbb9848f660bb291a833a892cc5f20cda7..53fd33dcf1e7d86480cc7f631645b042303055b3:/src/gtk1/dcclient.cpp

diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp
index 9ffa33f3ba..dc90bf665a 100644
--- a/src/gtk1/dcclient.cpp
+++ b/src/gtk1/dcclient.cpp
@@ -54,7 +54,7 @@
 static GdkPixmap  *hatches[num_hatches];
 static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
 
-extern GtkWidget *wxRootWindow;
+extern GtkWidget *wxGetRootWindow();
 
 //-----------------------------------------------------------------------------
 // constants
@@ -77,15 +77,15 @@ static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 
 #include "gdk/gdkprivate.h"
 
-void gdk_wx_draw_bitmap     (GdkDrawable  *drawable,
-                          GdkGC               *gc,
-                          GdkDrawable  *src,
-                          gint                xsrc,
-                          gint                ysrc,
-                          gint                xdest,
-                          gint                ydest,
-                          gint                width,
-                          gint                height)
+void gdk_wx_draw_bitmap(GdkDrawable  *drawable,
+                        GdkGC        *gc,
+                        GdkDrawable  *src,
+                        gint         xsrc,
+                        gint         ysrc,
+                        gint         xdest,
+                        gint         ydest,
+                        gint         width,
+                        gint         height)
 {
     gint src_width, src_height;
 #ifndef __WXGTK20__
@@ -393,6 +393,13 @@ void wxWindowDC::SetUpDC()
     }
 }
 
+void wxWindowDC::DoGetSize( int* width, int* height ) const
+{
+    wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
+
+    m_owner->GetSize(width, height);
+}
+
 void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
                            const wxColour &WXUNUSED(col), int WXUNUSED(style) )
 {
@@ -408,6 +415,7 @@ bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
     memdc.SelectObject(bitmap);
     memdc.Blit(0, 0, 1, 1, (wxDC*) this, x1, y1);
     memdc.SelectObject(wxNullBitmap);
+
     wxImage image(bitmap);
     col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
     return TRUE;
@@ -526,7 +534,12 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
         }
 
         if (m_pen.GetStyle() != wxTRANSPARENT)
+        {
             gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
+
+            gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc );
+            gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 );
+        }
     }
 
     CalcBoundingBox (x1, y1);
@@ -549,7 +562,7 @@ void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord
     if (m_window)
     {
         wxCoord start = wxCoord(sa * 64.0);
-        wxCoord end = wxCoord(ea * 64.0);
+        wxCoord end = wxCoord((ea-sa) * 64.0);
 
         if (m_brush.GetStyle() != wxTRANSPARENT)
         {
@@ -938,7 +951,7 @@ void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord hei
             gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
     }
 
-    CalcBoundingBox( x - width, y - height );
+    CalcBoundingBox( x, y );
     CalcBoundingBox( x + width, y + height );
 }
 
@@ -1008,7 +1021,7 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
             if (!m_currentClippingRegion.IsNull())
             {
                 GdkColor col;
-                new_mask = gdk_pixmap_new( wxRootWindow->window, ww, hh, 1 );
+                new_mask = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, 1 );
                 GdkGC *gc = gdk_gc_new( new_mask );
                 col.pixel = 0;
                 gdk_gc_set_foreground( gc, &col );
@@ -1072,9 +1085,13 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
     }
 }
 
-bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
-                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
-                         int logical_func, bool useMask )
+bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
+                         wxCoord width, wxCoord height,
+                         wxDC *source,
+                         wxCoord xsrc, wxCoord ysrc,
+                         int logical_func,
+                         bool useMask,
+                         wxCoord xsrcMask, wxCoord ysrcMask )
 {
    /* this is the nth try to get this utterly useless function to
       work. it now completely ignores the scaling or translation
@@ -1087,12 +1104,24 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
 
     if (!m_window) return FALSE;
 
+#if 0
+    // transform the source DC coords to the device ones
+    xsrc = XLOG2DEV(xsrc);
+    ysrc = YLOG2DEV(ysrc);
+#endif
+
     wxClientDC *srcDC = (wxClientDC*)source;
     wxMemoryDC *memDC = (wxMemoryDC*)source;
 
     bool use_bitmap_method = FALSE;
     bool is_mono = FALSE;
 
+    /* TODO: use the mask origin when drawing transparently */
+    if (xsrcMask == -1 && ysrcMask == -1)
+    {
+        xsrcMask = xsrc; ysrcMask = ysrc;
+    }
+
     if (srcDC->m_isMemDC)
     {
         if (!memDC->m_selected.Ok()) return FALSE;
@@ -1193,7 +1222,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
             if (!m_currentClippingRegion.IsNull())
             {
                 GdkColor col;
-                new_mask = gdk_pixmap_new( wxRootWindow->window, bm_ww, bm_hh, 1 );
+                new_mask = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, 1 );
                 GdkGC *gc = gdk_gc_new( new_mask );
                 col.pixel = 0;
                 gdk_gc_set_foreground( gc, &col );
@@ -1321,14 +1350,14 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
 
     wxCHECK_RET( font, wxT("invalid font") );
 
-#ifdef __WXGTK20__
+#if defined(__WXGTK20__)
     wxCHECK_RET( m_context, wxT("no Pango context") );
 #endif
 
     x = XLOG2DEV(x);
     y = YLOG2DEV(y);
 
-#ifdef __WXGTK20__
+#if defined(__WXGTK20__) && wxUSE_WCHAR_T
     /* FIXME: the layout engine should probably be abstracted at a higher level in wxDC... */
     PangoLayout *layout = pango_layout_new(m_context);
     pango_layout_set_font_description(layout, m_fontdesc);
@@ -1345,8 +1374,8 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
 #else
     wxCoord width = gdk_string_width( font, text.mbc_str() );
     wxCoord height = font->ascent + font->descent;
-    /* CMB 21/5/98: draw text background if mode is wxSOLID */
-    if (m_backgroundMode == wxSOLID)
+
+    if ( m_backgroundMode == wxSOLID )
     {
         gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() );
         gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height );
@@ -1365,7 +1394,7 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
     }
 
-#ifdef __WXGTK20__
+#if defined(__WXGTK20__) && wxUSE_WCHAR_T
     g_object_unref( G_OBJECT( layout ) );
 #endif
 
@@ -1551,6 +1580,8 @@ void wxWindowDC::Clear()
 
 void wxWindowDC::SetFont( const wxFont &font )
 {
+    wxCHECK_RET( font.Ok(), _T("invalid font in wxWindowDC::SetFont") );
+
     m_font = font;
 #ifdef __WXGTK20__
     // fix fontdesc?
@@ -1849,30 +1880,36 @@ void wxWindowDC::SetTextForeground( const wxColour &col )
 {
     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 
-    if (m_textForegroundColour == col) return;
+    // don't set m_textForegroundColour to an invalid colour as we'd crash
+    // later then (we use m_textForegroundColour.GetColor() without checking
+    // in a few places)
+    if ( !col.Ok() || (m_textForegroundColour == col) )
+        return;
 
     m_textForegroundColour = col;
-    if (!m_textForegroundColour.Ok()) return;
-
-    if (!m_window) return;
 
-    m_textForegroundColour.CalcPixel( m_cmap );
-    gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+    if ( m_window )
+    {
+        m_textForegroundColour.CalcPixel( m_cmap );
+        gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+    }
 }
 
 void wxWindowDC::SetTextBackground( const wxColour &col )
 {
     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 
-    if (m_textBackgroundColour == col) return;
+    // same as above
+    if ( !col.Ok() || (m_textBackgroundColour == col) )
+        return;
 
     m_textBackgroundColour = col;
-    if (!m_textBackgroundColour.Ok()) return;
 
-    if (!m_window) return;
-
-    m_textBackgroundColour.CalcPixel( m_cmap );
-    gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+    if ( m_window )
+    {
+        m_textBackgroundColour.CalcPixel( m_cmap );
+        gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+    }
 }
 
 void wxWindowDC::SetBackgroundMode( int mode )
@@ -2028,7 +2065,7 @@ void wxWindowDC::ComputeScaleAndOrigin()
 // Resolution in pixels per logical inch
 wxSize wxWindowDC::GetPPI() const
 {
-    return wxSize(100, 100);
+    return wxSize( (int) (m_mm_to_pix_x * 25.4 + 0.5), (int) (m_mm_to_pix_y * 25.4 + 0.5));
 }
 
 int wxWindowDC::GetDepth() const
@@ -2038,222 +2075,63 @@ int wxWindowDC::GetDepth() const
     return -1;
 }
 
-#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
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxPaintDC,wxWindowDC)
-
-wxPaintDC::wxPaintDC()
-  : wxWindowDC()
-{
-}
+IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxClientDC)
 
 wxPaintDC::wxPaintDC( wxWindow *win )
-  : wxWindowDC( win )
+         : wxClientDC( win )
 {
 #if USE_PAINT_REGION
     if (!win->m_clipPaintRegion)
         return;
-        
+
     m_paintClippingRegion = win->GetUpdateRegion();
     GdkRegion *region = m_paintClippingRegion.GetRegion();
     if ( region )
     {
-        m_currentClippingRegion.Union( m_paintClippingRegion );
+        m_paintClippingRegion = win->GetUpdateRegion();
+        GdkRegion *region = m_paintClippingRegion.GetRegion();
+        if ( region )
+        {
+            m_currentClippingRegion.Union( m_paintClippingRegion );
 
-        gdk_gc_set_clip_region( m_penGC, region );
-        gdk_gc_set_clip_region( m_brushGC, region );
-        gdk_gc_set_clip_region( m_textGC, region );
-        gdk_gc_set_clip_region( m_bgGC, region );
+            gdk_gc_set_clip_region( m_penGC, region );
+            gdk_gc_set_clip_region( m_brushGC, region );
+            gdk_gc_set_clip_region( m_textGC, region );
+            gdk_gc_set_clip_region( m_bgGC, region );
+        }
     }
-#endif
+#endif // USE_PAINT_REGION
 }
 
 //-----------------------------------------------------------------------------
 // wxClientDC
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxClientDC,wxWindowDC)
+IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
 
-wxClientDC::wxClientDC()
-  : wxWindowDC()
+wxClientDC::wxClientDC( wxWindow *win )
+          : wxWindowDC( win )
 {
+    wxCHECK_RET( win, _T("NULL window in wxClientDC::wxClientDC") );
+
+#ifdef __WXUNIVERSAL__
+    wxPoint ptOrigin = win->GetClientAreaOrigin();
+    SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
+    wxSize size = win->GetClientSize();
+    SetClippingRegion(wxPoint(0, 0), size);
+#endif // __WXUNIVERSAL__
 }
 
-wxClientDC::wxClientDC( wxWindow *win )
-  : wxWindowDC( win )
+void wxClientDC::DoGetSize(int *width, int *height) const
 {
+    wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
+
+    m_owner->GetClientSize( width, height );
 }
 
 // ----------------------------------------------------------------------------