Fix another crash when conversion fails in Unix PostScript code.

[wxWidgets.git] / src / motif / bmpmotif.cpp

diff --git a/src/motif/bmpmotif.cpp b/src/motif/bmpmotif.cpp
index 2ceb292b7fd9e06f72d8d9ed5754657fb517f5ce..a04c74e4cb93c3d3ae6ad91fe8bdfc58789985e9 100644 (file)
--- a/src/motif/bmpmotif.cpp
+++ b/src/motif/bmpmotif.cpp
@@ -1,26 +1,22 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        bitmap.cpp
+// Name:        src/motif/bmpmotif.cpp
 // Purpose:     wxBitmap
 // Author:      Julian Smart, originally in bitmap.cpp
 // Modified by:
 // Created:     25/03/2003
-// RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "bmpmotif.h"
-#endif
-
-#ifdef __VMS
-#define XtParent XTPARENT
-#define XtDisplay XTDISPLAY
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
-#include "wx/defs.h"
 #include "wx/motif/bmpmotif.h"
 
+#ifndef WX_PRECOMP
+    #include "wx/math.h"
+#endif
+
 #ifdef __VMS__
 #pragma message disable nosimpint
 #endif
@@ -34,10 +30,14 @@
 #if wxHAVE_LIB_XPM
     #include <X11/xpm.h>
 #endif
-#include <math.h>
 
 Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap );
 
+static inline wxCharBuffer GetCacheImageName(WXImage image)
+{
+    return wxString::Format(wxT("wxBitmap_%p"), image).ToAscii();
+}
+
 wxBitmapCache::~wxBitmapCache()
 {
     if( m_display )
@@ -64,7 +64,7 @@ wxBitmapCache::~wxBitmapCache()
 
 void wxBitmapCache::SetBitmap( const wxBitmap& bitmap )
 {
-    if( m_bitmap != bitmap )
+    if ( !m_bitmap.IsSameAs(bitmap) )
     {
         InvalidateCache();
         m_bitmap = bitmap;
@@ -73,7 +73,7 @@ void wxBitmapCache::SetBitmap( const wxBitmap& bitmap )
         {
             XmUninstallImage( (XImage*)m_image );
             XtFree( (char*)(XImage*)m_image );
-            m_image = (WXImage*)NULL;
+            m_image = NULL;
         }
     }
 }
@@ -109,12 +109,26 @@ void wxBitmapCache::CreateImageIfNeeded( WXWidget w )
 
     if( m_image )
     {
-        char tmp[128];
-        sprintf( tmp, "Im%x", (unsigned int)ximage );
-        XmInstallImage( ximage, tmp );
+        XmInstallImage( ximage, GetCacheImageName(m_image).data() );
     }
 }
 
+WXPixmap wxBitmapCache::GetPixmapFromCache(WXWidget w)
+{
+    Widget widget = (Widget)w;
+    while( XmIsGadget( widget ) )
+        widget = XtParent( widget );
+
+    WXPixel fg, bg;
+    XtVaGetValues( widget,
+                   XmNbackground, &bg,
+                   XmNforeground, &fg,
+                   NULL );
+
+    Screen* screen = DefaultScreenOfDisplay( (Display*)m_display );
+    return (WXPixmap)XmGetPixmap(screen, GetCacheImageName(m_image).data(), fg, bg);
+}
+
 WXPixmap wxBitmapCache::GetLabelPixmap( WXWidget w )
 {
     if( m_labelPixmap && !m_recalcPixmaps.label )
@@ -130,21 +144,7 @@ WXPixmap wxBitmapCache::GetLabelPixmap( WXWidget w )
     if( !m_image )
         return (WXPixmap)NULL;
 
-    char tmp[128];
-    sprintf( tmp, "Im%x", (unsigned int)m_image );
-
-    Pixel fg, bg;
-    Widget widget = (Widget)w;
-
-    while( XmIsGadget( widget ) )
-        widget = XtParent( widget );
-    XtVaGetValues( widget,
-                   XmNbackground, &bg,
-                   XmNforeground, &fg,
-                   NULL );
-
-    m_labelPixmap = (WXPixmap)XmGetPixmap( screen, tmp, fg, bg );
-
+    m_labelPixmap = GetPixmapFromCache(w);
     m_recalcPixmaps.label = !m_labelPixmap;
     return m_labelPixmap;
 }
@@ -164,19 +164,7 @@ WXPixmap wxBitmapCache::GetArmPixmap( WXWidget w )
     if( !m_image )
         return (WXPixmap)NULL;
 
-    char tmp[128];
-    sprintf( tmp, "Im%x", (unsigned int)m_image );
-
-    Pixel fg, bg;
-    Widget widget = (Widget) w;
-
-    XtVaGetValues( widget, XmNarmColor, &bg, NULL );
-    while( XmIsGadget( widget ) )
-        widget = XtParent( widget );
-    XtVaGetValues( widget, XmNforeground, &fg, NULL );
-
-    m_armPixmap = (WXPixmap)XmGetPixmap( screen, tmp, fg, bg );
-
+    m_armPixmap = GetPixmapFromCache(w);
     m_recalcPixmaps.arm = !m_armPixmap;
     return m_armPixmap;
 }
@@ -274,7 +262,7 @@ XCreateInsensitivePixmap( Display *display, Pixmap pixmap )
     stipple = XCreateBitmapFromData( display, pixmap, stipple_data, 16, 16 );
     if ( 0 != stipple )
     {
-        gc = XCreateGC( display, pixmap, (XtGCMask)0, (XGCValues*)NULL );
+        gc = XCreateGC( display, pixmap, (XtGCMask)0, NULL );
         if ( NULL != gc )
         {
             /* Create an identical copy of the argument pixmap.