+/////////////////////////////////////////////////////////////////////////////
+// Name: bitmap.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
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "bmpmotif.h"
+#endif
+
+#ifdef __VMS
+#define XtParent XTPARENT
+#endif
+
+#include "wx/defs.h"
+#include "wx/motif/bmpmotif.h"
+
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
+#include <Xm/Xm.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
+
+#include "wx/motif/private.h"
+
+#if wxHAVE_LIB_XPM
+ #include <X11/xpm.h>
+#endif
+#include <math.h>
+
+Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap );
+
+wxBitmapCache::~wxBitmapCache()
+{
+ if( m_display )
+ {
+ Screen* screen = DefaultScreenOfDisplay( (Display*)m_display );
+
+ if( m_labelPixmap )
+ XmDestroyPixmap( screen, (Pixmap)m_labelPixmap );
+
+ if( m_armPixmap )
+ XmDestroyPixmap( screen, (Pixmap)m_armPixmap );
+
+ if( m_insensPixmap )
+ XmDestroyPixmap( screen, (Pixmap)m_insensPixmap );
+
+ }
+
+ if( m_image )
+ {
+ XmUninstallImage( (XImage*)m_image );
+ XtFree( (char*)(XImage*)m_image );
+ }
+}
+
+void wxBitmapCache::SetBitmap( const wxBitmap& bitmap )
+{
+ if( m_bitmap != bitmap )
+ {
+ InvalidateCache();
+ m_bitmap = bitmap;
+
+ if( m_image )
+ {
+ XmUninstallImage( (XImage*)m_image );
+ XtFree( (char*)(XImage*)m_image );
+ m_image = (WXImage*)NULL;
+ }
+ }
+}
+
+void wxBitmapCache::InvalidateCache()
+{
+ m_recalcPixmaps.label = true;
+ m_recalcPixmaps.arm = true;
+ m_recalcPixmaps.insens = true;
+}
+
+void wxBitmapCache::SetColoursChanged()
+{
+ InvalidateCache();
+}
+
+void wxBitmapCache::CreateImageIfNeeded( WXWidget w )
+{
+ if( m_image )
+ return;
+
+ m_display = w ?
+ (WXDisplay*)XtDisplay( (Widget)w ) :
+ (WXDisplay*)wxGetDisplay();
+
+ XImage *ximage = XGetImage( (Display*)m_display,
+ (Drawable)m_bitmap.GetPixmap(),
+ 0, 0,
+ m_bitmap.GetWidth(), m_bitmap.GetHeight(),
+ AllPlanes, ZPixmap );
+
+ m_image = (WXImage*)ximage;
+
+ if( m_image )
+ {
+ char tmp[128];
+ sprintf( tmp, "Im%x", (unsigned int)ximage );
+ XmInstallImage( ximage, tmp );
+ }
+}
+
+WXPixmap wxBitmapCache::GetLabelPixmap( WXWidget w )
+{
+ if( m_labelPixmap && !m_recalcPixmaps.label )
+ return m_labelPixmap;
+
+ CreateImageIfNeeded( w );
+
+ Screen* screen = DefaultScreenOfDisplay( (Display*)m_display );
+
+ if( m_labelPixmap )
+ XmDestroyPixmap( screen, (Pixmap)m_labelPixmap );
+
+ 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_recalcPixmaps.label = !m_labelPixmap;
+ return m_labelPixmap;
+}
+
+WXPixmap wxBitmapCache::GetArmPixmap( WXWidget w )
+{
+ if( m_armPixmap && !m_recalcPixmaps.arm )
+ return m_armPixmap;
+
+ CreateImageIfNeeded( w );
+
+ Screen* screen = DefaultScreenOfDisplay( (Display*)m_display );
+
+ if( m_armPixmap )
+ XmDestroyPixmap( screen, (Pixmap)m_armPixmap );
+
+ 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_recalcPixmaps.arm = !m_armPixmap;
+ return m_armPixmap;
+}
+
+WXPixmap wxBitmapCache::GetInsensPixmap( WXWidget w )
+{
+ if( m_insensPixmap && !m_recalcPixmaps.insens )
+ return m_insensPixmap;
+
+ CreateImageIfNeeded( w );
+
+ Screen* screen = DefaultScreenOfDisplay( (Display*)m_display );
+
+ if( m_insensPixmap )
+ XmDestroyPixmap( screen, (Pixmap)m_insensPixmap );
+
+ if( !m_image )
+ return (WXPixmap)NULL;
+
+ m_insensPixmap =
+ (WXPixmap)XCreateInsensitivePixmap( (Display*)m_display,
+ (Pixmap)m_bitmap.GetPixmap() );
+
+ m_recalcPixmaps.insens = !m_insensPixmap;
+ return m_insensPixmap;
+}
projects / wxWidgets.git / commitdiff
