зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
3.4 KiB
C++
122 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla Foundation Code.
|
|
*
|
|
* The Initial Developer of the Original Code is Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2006
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Stuart Parmenter <pavlov@pavlov.net>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "gfxPSSurface.h"
|
|
|
|
#include "cairo.h"
|
|
#include "cairo-ps.h"
|
|
|
|
static cairo_status_t
|
|
write_func(void *closure, const unsigned char *data, unsigned int length)
|
|
{
|
|
nsCOMPtr<nsIOutputStream> out = reinterpret_cast<nsIOutputStream*>(closure);
|
|
do {
|
|
PRUint32 wrote = 0;
|
|
if (NS_FAILED(out->Write((const char*)data, length, &wrote)))
|
|
break;
|
|
data += wrote; length -= wrote;
|
|
} while (length > 0);
|
|
NS_ASSERTION(length == 0, "not everything was written to the file");
|
|
return CAIRO_STATUS_SUCCESS;
|
|
}
|
|
|
|
gfxPSSurface::gfxPSSurface(nsIOutputStream *aStream, const gfxSize& aSizeInPoints)
|
|
: mStream(aStream), mXDPI(-1), mYDPI(-1), mSize(aSizeInPoints)
|
|
{
|
|
cairo_surface_t* ps_surface = cairo_ps_surface_create_for_stream(write_func, (void*)mStream, mSize.width, mSize.height);
|
|
cairo_ps_surface_restrict_to_level(ps_surface, CAIRO_PS_LEVEL_2);
|
|
Init(ps_surface);
|
|
}
|
|
|
|
gfxPSSurface::~gfxPSSurface()
|
|
{
|
|
}
|
|
|
|
nsresult
|
|
gfxPSSurface::BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
gfxPSSurface::EndPrinting()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
gfxPSSurface::AbortPrinting()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
gfxPSSurface::BeginPage()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
gfxPSSurface::EndPage()
|
|
{
|
|
cairo_surface_show_page(CairoSurface());
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
gfxPSSurface::Finish()
|
|
{
|
|
gfxASurface::Finish();
|
|
mStream->Close();
|
|
}
|
|
|
|
void
|
|
gfxPSSurface::SetDPI(double xDPI, double yDPI)
|
|
{
|
|
mXDPI = xDPI;
|
|
mYDPI = yDPI;
|
|
cairo_surface_set_fallback_resolution(CairoSurface(), xDPI, yDPI);
|
|
}
|
|
|
|
void
|
|
gfxPSSurface::GetDPI(double *xDPI, double *yDPI)
|
|
{
|
|
*xDPI = mXDPI;
|
|
*yDPI = mYDPI;
|
|
}
|
|
|