readability cleanup

[wxWidgets.git] / src / gtk1 / dcclient.cpp

diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp
index 3f69545b3c2fc998d337ca88b5eaebf1eb2ff499..bf324de310ad87754484ab0b45dc13ceaed6b76b 100644 (file)
--- a/src/gtk1/dcclient.cpp
+++ b/src/gtk1/dcclient.cpp
@@ -7,10 +7,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "dcclient.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -92,9 +88,9 @@ void gdk_wx_draw_bitmap(GdkDrawable  *drawable,
                         gint         width,
                         gint         height)
 {
-    g_return_if_fail (drawable != NULL);
-    g_return_if_fail (src != NULL);
-    g_return_if_fail (gc != NULL);
+    wxCHECK_RET( drawable, _T("NULL drawable in gdk_wx_draw_bitmap") );
+    wxCHECK_RET( src, _T("NULL src in gdk_wx_draw_bitmap") );
+    wxCHECK_RET( gc, _T("NULL gc in gdk_wx_draw_bitmap") );
 
 #ifdef __WXGTK20__
     gint src_width, src_height;
@@ -542,10 +538,10 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
         radius1 = 0.0;
         radius2 = 360.0;
     }
-    else
-    if (radius == 0.0)
+    else if ( wxIsNullDouble(radius) )
     {
-        radius1 = radius2 = 0.0;
+        radius1 =
+        radius2 = 0.0;
     }
     else
     {
@@ -1137,15 +1133,15 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
     if (is_mono)
     {
 #ifdef __WXGTK20__
-        GdkPixmap *bitmap = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, -1 );
-        GdkGC *gc = gdk_gc_new( bitmap );
+        GdkPixmap *bitmap2 = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, -1 );
+        GdkGC *gc = gdk_gc_new( bitmap2 );
         gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() );
         gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() );
-        gdk_wx_draw_bitmap( bitmap, gc, use_bitmap.GetBitmap(), 0, 0, 0, 0, -1, -1 );
+        gdk_wx_draw_bitmap( bitmap2, gc, use_bitmap.GetBitmap(), 0, 0, 0, 0, -1, -1 );
 
-        gdk_draw_drawable( m_window, m_textGC, bitmap, 0, 0, xx, yy, -1, -1 );
+        gdk_draw_drawable( m_window, m_textGC, bitmap2, 0, 0, xx, yy, -1, -1 );
 
-        gdk_bitmap_unref( bitmap );
+        gdk_bitmap_unref( bitmap2 );
         gdk_gc_unref( gc );
 #else
         gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), 0, 0, xx, yy, -1, -1 );
@@ -1217,7 +1213,6 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
     bool use_bitmap_method = false;
     bool is_mono = false;
 
-    // TODO: use the mask origin when drawing transparently
     if (xsrcMask == -1 && ysrcMask == -1)
     {
         xsrcMask = xsrc;
@@ -1347,6 +1342,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
                 GdkGC *gc = gdk_gc_new( new_mask );
                 col.pixel = 0;
                 gdk_gc_set_foreground( gc, &col );
+                gdk_gc_set_ts_origin( gc, -xsrcMask, -ysrcMask);
                 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
                 col.pixel = 0;
                 gdk_gc_set_background( gc, &col );
@@ -1364,20 +1360,28 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
             if (is_mono)
             {
                 if (new_mask)
+                {
                     gdk_gc_set_clip_mask( m_textGC, new_mask );
+                    gdk_gc_set_clip_origin( m_textGC, cx, cy );
+                }
                 else
+                {
                     gdk_gc_set_clip_mask( m_textGC, mask );
-                // was: gdk_gc_set_clip_origin( m_textGC, xx, yy );
-                gdk_gc_set_clip_origin( m_textGC, cx, cy );
+                    gdk_gc_set_clip_origin( m_textGC, cx-xsrcMask, cy-ysrcMask );
+                }
             }
             else
             {
                 if (new_mask)
+                {
                     gdk_gc_set_clip_mask( m_penGC, new_mask );
+                    gdk_gc_set_clip_origin( m_penGC, cx, cy );
+                }
                 else
+                {
                     gdk_gc_set_clip_mask( m_penGC, mask );
-                // was: gdk_gc_set_clip_origin( m_penGC, xx, yy );
-                gdk_gc_set_clip_origin( m_penGC, cx, cy );
+                    gdk_gc_set_clip_origin( m_penGC, cx-xsrcMask, cy-ysrcMask );
+                }
             }
         }
 
@@ -1602,7 +1606,7 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
 
 void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
 {
-    if (angle == 0.0)
+    if ( wxIsNullDouble(angle) )
     {
         DrawText(text, x, y);
         return;
@@ -1880,11 +1884,14 @@ void wxWindowDC::SetFont( const wxFont &font )
             PangoContext *oldContext = m_context;
 
             // We might want to use the X11 context for faster
-            // rendering on screen
+            // rendering on screen.
+            // MR: Lets not want to do this, as this introduces libpangox dependancy.
+#if 0
             if (m_font.GetNoAntiAliasing())
                 m_context = m_owner->GtkGetPangoX11Context();
             else
-                m_context = m_owner->GtkGetPangoDefaultContext();
+#endif
+            m_context = m_owner->GtkGetPangoDefaultContext();
 
             // If we switch back/forth between different contexts
             // we also have to create a new layout. I think so,
@@ -2359,22 +2366,19 @@ void wxWindowDC::Destroy()
 
 void wxWindowDC::ComputeScaleAndOrigin()
 {
-    /* CMB: copy scale to see if it changes */
-    double origScaleX = m_scaleX;
-    double origScaleY = m_scaleY;
+    const wxRealPoint origScale(m_scaleX, m_scaleY);
 
     wxDC::ComputeScaleAndOrigin();
 
-    /* CMB: if scale has changed call SetPen to recalulate the line width */
-    if ((m_scaleX != origScaleX || m_scaleY != origScaleY) &&
-        (m_pen.Ok()))
+    // if scale has changed call SetPen to recalulate the line width
+    if ( wxRealPoint(m_scaleX, m_scaleY) != origScale && m_pen.Ok() )
     {
-      /* this is a bit artificial, but we need to force wxDC to think
-         the pen has changed */
-      wxPen pen = m_pen;
-      m_pen = wxNullPen;
-      SetPen( pen );
-  }
+        // this is a bit artificial, but we need to force wxDC to think the pen
+        // has changed
+        wxPen pen = m_pen;
+        m_pen = wxNullPen;
+        SetPen( pen );
+    }
 }
 
 // Resolution in pixels per logical inch