postscript Blit()

  DC::GetSize() bug corrected

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1592 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/generic/dcpsg.cpp b/src/generic/dcpsg.cpp
index 55ba6d7768e28dfa69ad0bddcf441d62899bfebe..211d81b63e94ec0443c91f0967027976f45db451 100644 (file)
--- a/src/generic/dcpsg.cpp
+++ b/src/generic/dcpsg.cpp
@@ -64,6 +64,11 @@
 
 #endif
 
+#ifdef __WXGTK__
+#include "gtk/gtk.h"
+#include "gdk/gdk.h"
+#endif
+
 //-----------------------------------------------------------------------------
 // start and end of document/page
 //-----------------------------------------------------------------------------
@@ -1465,20 +1470,41 @@ void wxPostScriptDC::EndPage ()
     *m_pstream << "showpage\n";
 }
 
-bool wxPostScriptDC::Blit( long WXUNUSED(xdest), long WXUNUSED(ydest), 
-                           long WXUNUSED(fwidth), long WXUNUSED(fheight),
-                           wxDC *WXUNUSED(source), 
-               long WXUNUSED(xsrc), long WXUNUSED(ysrc), 
-               int WXUNUSED(rop), bool WXUNUSED(useMask) )
+bool wxPostScriptDC::Blit( long xdest, long ydest, 
+                           long fwidth, long fheight,
+                           wxDC *source, 
+                           long xsrc, long ysrc, 
+                           int WXUNUSED(rop), bool WXUNUSED(useMask) )
 {
     wxCHECK_MSG( m_ok && m_pstream, FALSE, "invalid postscript dc" );
     
-    wxFAIL_MSG( "wxPostScriptDC::Blit no yet implemented." );
+    wxCHECK_MSG( source, FALSE, "invalid source dc" );
+    
+    wxClientDC *srcDC = (wxClientDC*)source;
+  
+    wxBitmap bitmap( fwidth, fheight );
+
+#ifdef __WXGTK__
+    /* just take any GC so we don't have to create our own. */
+
+    GtkStyle *style = gtk_widget_get_default_style ();
+    GdkGC *gc = style->white_gc;       
+
+    /* copy from either window or bitmap */
+
+    gdk_window_copy_area( bitmap.GetPixmap(), gc, 0, 0, 
+                          srcDC->GetWindow(),
+                         xsrc, ysrc, fwidth, fheight );
+#endif
+
+    /* draw bitmap. scaling and positioning is done there */
+
+    DrawBitmap( bitmap, xdest, ydest );
     
     return TRUE;
 }
 
-long wxPostScriptDC::GetCharHeight ()
+long wxPostScriptDC::GetCharHeight()
 {
     if (m_font.Ok())
         return  m_font.GetPointSize();
@@ -1600,7 +1626,7 @@ void wxPostScriptDC::GetTextExtent (const wxString& string, long *x, long *y,
                     if ((Style == wxITALIC) && (Weight == wxBOLD)) name = "HelvBoO";
                else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = "HelvBo";
                else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = "Helv0";
-               else if ((Style != wxITALIC) && (Weight != wxBOLD)) name = "Helv";
+               else name = "Helv";
            }
            break;
        }

diff --git a/src/gtk/dc.cpp b/src/gtk/dc.cpp
index 821bef8774504b8fc6d011a50b57b89d205cb637..1262fc6b77d7bb78fbf3260819fd508b917b1637 100644 (file)
--- a/src/gtk/dc.cpp
+++ b/src/gtk/dc.cpp
@@ -58,14 +58,16 @@ wxDC::wxDC()
     m_scaleY = 1.0;
   
     m_mappingMode = MM_TEXT;
-    m_needComputeScaleX = FALSE;
-    m_needComputeScaleY = FALSE;
+    m_needComputeScaleX = FALSE; /* not used yet */
+    m_needComputeScaleY = FALSE; /* not used yet */
   
-    m_signX = 1;  // default x-axis left to right
-    m_signY = 1;  // default y-axis top down
+    m_signX = 1;  /* default x-axis left to right */
+    m_signY = 1;  /* default y-axis top down. -1 in postscript. */
 
-    m_maxX = m_maxY = -100000;
-    m_minY = m_minY =  100000;
+    m_maxX = 0;
+    m_maxY = 0;
+    m_minX = 0;
+    m_minY = 0;
 
     m_logicalFunction = wxCOPY;
 //  m_textAlignment = wxALIGN_TOP_LEFT;
@@ -78,7 +80,7 @@ wxDC::wxDC()
     m_brush = *wxTRANSPARENT_BRUSH;
     m_backgroundBrush = *wxWHITE_BRUSH;
   
-//  m_palette = wxAPP_COLOURMAP;
+//  m_palette = wxAPP_COLOURMAP; /* I'll learn to handle palettes later in my life */
 }
 
 wxDC::~wxDC()

diff --git a/src/gtk1/dc.cpp b/src/gtk1/dc.cpp
index 821bef8774504b8fc6d011a50b57b89d205cb637..1262fc6b77d7bb78fbf3260819fd508b917b1637 100644 (file)
--- a/src/gtk1/dc.cpp
+++ b/src/gtk1/dc.cpp
@@ -58,14 +58,16 @@ wxDC::wxDC()
     m_scaleY = 1.0;
   
     m_mappingMode = MM_TEXT;
-    m_needComputeScaleX = FALSE;
-    m_needComputeScaleY = FALSE;
+    m_needComputeScaleX = FALSE; /* not used yet */
+    m_needComputeScaleY = FALSE; /* not used yet */
   
-    m_signX = 1;  // default x-axis left to right
-    m_signY = 1;  // default y-axis top down
+    m_signX = 1;  /* default x-axis left to right */
+    m_signY = 1;  /* default y-axis top down. -1 in postscript. */
 
-    m_maxX = m_maxY = -100000;
-    m_minY = m_minY =  100000;
+    m_maxX = 0;
+    m_maxY = 0;
+    m_minX = 0;
+    m_minY = 0;
 
     m_logicalFunction = wxCOPY;
 //  m_textAlignment = wxALIGN_TOP_LEFT;
@@ -78,7 +80,7 @@ wxDC::wxDC()
     m_brush = *wxTRANSPARENT_BRUSH;
     m_backgroundBrush = *wxWHITE_BRUSH;
   
-//  m_palette = wxAPP_COLOURMAP;
+//  m_palette = wxAPP_COLOURMAP; /* I'll learn to handle palettes later in my life */
 }
 
 wxDC::~wxDC()

diff --git a/src/motif/dc.cpp b/src/motif/dc.cpp
index bd526de2914abe52a842f1d6faddc44fdf865580..4c60da90edd8cf794112c2a1e24abeaaaab77c12 100644 (file)
--- a/src/motif/dc.cpp
+++ b/src/motif/dc.cpp
@@ -68,8 +68,8 @@ wxDC::wxDC(void)
     m_signX = 1;  // default x-axis left to right
     m_signY = 1;  // default y-axis top down
     
-    m_maxX = m_maxY = -100000;
-    m_minY = m_minY =  100000;
+    m_maxX = m_maxY = 0;
+    m_minX = m_minY = 0;
     
     m_logicalFunction = wxCOPY;
     //  m_textAlignment = wxALIGN_TOP_LEFT;