1 files changed, 146 insertions, 0 deletions
diff --git a/libjava/gnu/gcj/xlib/natVisual.cc b/libjava/gnu/gcj/xlib/natVisual.cc
new file mode 100644
index 0000000..56e03b5
--- /dev/null
+++ b/libjava/gnu/gcj/xlib/natVisual.cc
@@ -0,0 +1,146 @@
+/* Copyright (C) 2000  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+#include <gcj/cni.h>
+#include <gnu/gcj/xlib/Visual.h>
+#include <gnu/gcj/xlib/Screen.h>
+#include <gnu/gcj/xlib/Display.h>
+#include <gnu/gcj/xlib/XException.h>
+#include <gnu/gcj/RawData.h>
+
+using namespace gnu::gcj;
+
+void gnu::gcj::xlib::Visual::init(RawData* visual, jint depth)
+{
+  XVisualInfo* info = new XVisualInfo;
+  xVisualInfo = reinterpret_cast<gnu::gcj::RawData*>(info);
+  infoMask = 0;
+    
+  if (visual != 0)
+    {
+      ::Visual* visualStructure = (::Visual*) visual;
+      info->visual = visualStructure;
+      info->visualid = XVisualIDFromVisual(visualStructure);
+      infoMask |= MASK_ID | MASK_VISUAL_STRUCTURE;
+    }
+
+  if (depth  != 0)
+    {
+      info->depth = depth;
+      infoMask |= MASK_DEPTH;
+    }
+}
+
+void gnu::gcj::xlib::Visual::finalize()
+{
+  if (xVisualInfo != 0)
+    {
+      delete xVisualInfo;
+      xVisualInfo = 0;
+    }
+}
+
+RawData* gnu::gcj::xlib::Visual::getVisualStructure()
+{
+    ensureXVisualInfo(MASK_ALL); // Make sure structure is set
+    XVisualInfo* info = (XVisualInfo*) xVisualInfo;
+    return reinterpret_cast<gnu::gcj::RawData*>(info->visual);
+}
+
+jint gnu::gcj::xlib::Visual::getRedMask()
+{
+  ensureXVisualInfo(MASK_RED);
+  XVisualInfo* info = (XVisualInfo*) xVisualInfo;
+  return info->red_mask;
+}
+
+jint gnu::gcj::xlib::Visual::getGreenMask()
+{
+  ensureXVisualInfo(MASK_GREEN);
+  XVisualInfo* info = (XVisualInfo*) xVisualInfo;
+  return info->green_mask;
+}
+
+jint gnu::gcj::xlib::Visual::getBlueMask()
+{
+  ensureXVisualInfo(MASK_BLUE);
+  XVisualInfo* info = (XVisualInfo*) xVisualInfo;
+  return info->blue_mask;
+}
+
+jint gnu::gcj::xlib::Visual::getScreenNumber()
+{
+  if (screen != 0)
+    return screen->getScreenNumber();
+
+  ensureXVisualInfo(MASK_SCREEN);
+  XVisualInfo* info = (XVisualInfo*) xVisualInfo;
+  return info->screen;
+}
+
+jint gnu::gcj::xlib::Visual::getDepth()
+{
+  ensureXVisualInfo(MASK_DEPTH);
+  
+  XVisualInfo* info = (XVisualInfo*) xVisualInfo;
+  return info->depth;
+}
+
+jint gnu::gcj::xlib::Visual::getVisualClass()
+{
+  ensureXVisualInfo(MASK_CLASS);
+  ::XVisualInfo* info = (::XVisualInfo*) xVisualInfo;
+  return info->c_class;
+}
+
+void gnu::gcj::xlib::Visual::ensureXVisualInfo(jint requiredMask)
+{
+  int missingInformation = ~infoMask;
+  if ((missingInformation & requiredMask) == 0)
+    return;
+  
+  // We need more info...
+
+  XVisualInfo* info = (XVisualInfo*) xVisualInfo;
+
+  // Store everything we know into template
+  if (screen != 0)
+    {
+      info->screen = screen->getScreenNumber();
+      infoMask |= MASK_SCREEN;
+    }
+  
+  // Aquire info using the current info as template for matching
+  ::Display* dpy = (::Display*) display->display;
+  int visualInfoCount;
+
+  long mask = infoMask & MASK_ALL & (~MASK_VISUAL_STRUCTURE);
+  XVisualInfo* matches = XGetVisualInfo(dpy, mask,
+					  info, &visualInfoCount);
+  if (matches != 0)
+    {
+      (*info) = matches[0];
+
+      // redundant?
+      xVisualInfo = reinterpret_cast<gnu::gcj::RawData*>(info);
+
+      infoMask = ~0; // ALL
+      XFree(matches);
+    } 
+  else 
+    {
+      char msg[] = 
+	"XGetVisualInfo failed to find any matching visuals. The template "
+	"describes a combination of properties that does not exist on "
+	"this X server.";
+      throw new XException(JvNewStringLatin1(msg));
+    }
+}