diff -r 000000000000 -r 6474c204b198 gfx/thebes/gfxPSSurface.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/thebes/gfxPSSurface.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,107 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#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 {
+        uint32_t 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, PageOrientation aOrientation)
+    : mStream(aStream), mXDPI(-1), mYDPI(-1), mOrientation(aOrientation)
+{
+    mSize = gfxIntSize(aSizeInPoints.width, aSizeInPoints.height);
+
+    // The PS output does not specify the page size so to print
+    // landscape we need to rotate the drawing 90 degrees and print on
+    // portrait paper. If printing landscape, swap the width/height
+    // supplied to cairo to select a portrait print area. gfxContext
+    // will perform the rotation when GetRotateForLandscape() is TRUE.
+    gfxIntSize cairoSize;
+    if (mOrientation == PORTRAIT) {
+        cairoSize = mSize;
+    } else {
+        cairoSize = gfxIntSize(mSize.height, mSize.width);
+    }
+    cairo_surface_t* ps_surface = cairo_ps_surface_create_for_stream(write_func, (void*)mStream, cairoSize.width, cairoSize.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)
+{
+    if (mOrientation == PORTRAIT) {
+      cairo_ps_surface_dsc_comment (mSurface, "%%Orientation: Portrait");
+    } else {
+      cairo_ps_surface_dsc_comment (mSurface, "%%Orientation: Landscape");
+    }
+    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;
+}
+