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