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+/* -*- mode: C++; tab-width: 4 -*- */
+/* ===================================================================== *\
+ Copyright (c) 1999-2001 Palm, Inc. or its subsidiaries.
+ All rights reserved.
+
+ This file is part of the Palm OS Emulator.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+\* ===================================================================== */
+
+#include "EmCommon.h"
+#include "EmDocumentUnix.h"
+
+#include "EmScreen.h" // EmScreen
+
+// !!! Need to get rid of this dependancy on FLTK
+#include <FL/filename.h> // filename_setext
+
+#include <stdio.h> // fopen, fprintf, fwrite, fclose, FILE
+
+
+EmDocumentUnix* gHostDocument;
+
+// ---------------------------------------------------------------------------
+// ¥ EmDocument::HostCreateDocument
+// ---------------------------------------------------------------------------
+// Create our document instance. This is the one and only function that
+// creates the document. Being in a platform-specific file, it can create
+// any subclass of EmDocument it likes (in particular, one specific to our
+// platform).
+
+EmDocument* EmDocument::HostCreateDocument (void)
+{
+ return new EmDocumentUnix;
+}
+
+
+#pragma mark -
+
+/***********************************************************************
+ *
+ * FUNCTION: EmDocumentUnix::EmDocumentUnix
+ *
+ * DESCRIPTION: Constructor. Sets the global host application variable
+ * to point to us.
+ *
+ * PARAMETERS: None
+ *
+ * RETURNED: Nothing
+ *
+ ***********************************************************************/
+
+EmDocumentUnix::EmDocumentUnix (void) :
+ EmDocument ()
+{
+ EmAssert (gHostDocument == NULL);
+ gHostDocument = this;
+}
+
+
+/***********************************************************************
+ *
+ * FUNCTION: EmDocumentUnix::~EmDocumentUnix
+ *
+ * DESCRIPTION: Destructor. Closes our window and sets the host
+ * application variable to NULL.
+ *
+ * PARAMETERS: None
+ *
+ * RETURNED: Nothing
+ *
+ ***********************************************************************/
+
+EmDocumentUnix::~EmDocumentUnix (void)
+{
+ EmAssert (gHostDocument == this);
+ gHostDocument = NULL;
+}
+
+
+#pragma mark -
+
+// ---------------------------------------------------------------------------
+// ¥ EmDocumentUnix::HostSaveScreen
+// ---------------------------------------------------------------------------
+// Save the current contents of the LCD buffer to the given file.
+
+void EmDocumentUnix::HostSaveScreen (const EmFileRef& destRef)
+{
+ // Make sure the extension is right.
+
+ string fullPath = destRef.GetFullPath ();
+ char* fNameExt = (char*) malloc (fullPath.size () + 4);
+ strcpy (fNameExt, fullPath.c_str ());
+ filename_setext (fNameExt, ".ppm");
+
+ FILE* f = fopen (fNameExt, "wb");
+ if (f)
+ {
+ EmScreen::InvalidateAll ();
+
+ EmScreenUpdateInfo info;
+ EmScreen::GetBits (info);
+
+ EmScreen::InvalidateAll ();
+
+ info.fImage.ConvertToFormat (kPixMapFormat24RGB);
+
+ // PPM format is:
+ //
+ // File type tag
+ // Width
+ // Height
+ // Max component value
+ // Width * Height pixels
+ //
+ // The first items in the file are all text and
+ // seperated by whitespace. The array of pixels
+ // is in text format if the file type is P3, and
+ // is in binary format if the type is P6.
+
+ EmPoint size = info.fImage.GetSize ();
+
+ fprintf (f, "P6 %ld %ld 255\x0D", size.fX, size.fY);
+
+ uint8* bits = (uint8*) info.fImage.GetBits ();
+ for (long yy = 0; yy < size.fY; ++yy)
+ {
+ long rowBytes = info.fImage.GetRowBytes ();
+ uint8* basePtr = bits + yy * rowBytes;
+
+ fwrite (basePtr, 1, rowBytes, f);
+ }
+
+ fclose (f);
+ }
+
+ free (fNameExt);
+}