Mozilla/mozilla/layout/base/src/nsPrintPreviewContext.cpp
michaelp c0d17b54f9 added init() method to prescontext.
creator of prescontext is responsible for initializing pres context.
devicecontext is now init()ed with a nsNativeWidget.
removed hacky X Display stuff from device context and font metrics.
removed hacky code from windows font metrics.
changed nsNativeWindow to be nsNativeWidget.
added more code for compositor back-to-front pass.
improved text performance on X.
changed nsHTMLTagContent.cpp so that it will build with MSVC 4.1.


git-svn-id: svn://10.0.0.236/trunk@4472 18797224-902f-48f8-a5cc-f745e15eee43
1998-06-25 04:24:45 +00:00

86 lines
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsPresContext.h"
#include "nsIDeviceContext.h"
#include "nsUnitConversion.h"
#include "nsIView.h"
#include "nsIWidget.h"
#include "nsGfxCIID.h"
static NS_DEFINE_IID(kIPresContextIID, NS_IPRESCONTEXT_IID);
class PrintPreviewContext : public nsPresContext {
public:
PrintPreviewContext();
~PrintPreviewContext();
virtual PRBool IsPaginated();
virtual nscoord GetPageWidth();
virtual nscoord GetPageHeight();
};
PrintPreviewContext::PrintPreviewContext()
{
}
PrintPreviewContext::~PrintPreviewContext()
{
}
PRBool PrintPreviewContext::IsPaginated()
{
return PR_TRUE;
}
// XXX assumes a 1/2 margin around all sides
nscoord PrintPreviewContext::GetPageWidth()
{
#if 0
return (nscoord) NS_INCHES_TO_TWIPS(7.5);
#else
// For testing purposes make the page width 95% of the visible area
return mVisibleArea.width * 95 / 100;
#endif
}
nscoord PrintPreviewContext::GetPageHeight()
{
#if 0
return (nscoord) NS_INCHES_TO_TWIPS(10);
#else
// For testing purposes make the page height 60% of the visible area
return mVisibleArea.height * 60 / 100;
#endif
}
NS_LAYOUT nsresult
NS_NewPrintPreviewContext(nsIPresContext** aInstancePtrResult)
{
if (aInstancePtrResult == nsnull) {
return NS_ERROR_NULL_POINTER;
}
PrintPreviewContext *it = new PrintPreviewContext();
if (it == nsnull) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kIPresContextIID, (void **) aInstancePtrResult);
}