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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);
}
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