1 files changed, 112 insertions, 0 deletions
diff --git a/gfx/thebes/PrintTargetWindows.cpp b/gfx/thebes/PrintTargetWindows.cpp
new file mode 100644
index 000000000..4f22adacf
--- /dev/null
+++ b/gfx/thebes/PrintTargetWindows.cpp
@@ -0,0 +1,112 @@
+/* -*- 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 "PrintTargetWindows.h"
+
+#include "cairo-win32.h"
+#include "mozilla/gfx/HelpersCairo.h"
+#include "nsCoord.h"
+#include "nsString.h"
+
+namespace mozilla {
+namespace gfx {
+
+PrintTargetWindows::PrintTargetWindows(cairo_surface_t* aCairoSurface,
+                                       const IntSize& aSize,
+                                       HDC aDC)
+  : PrintTarget(aCairoSurface, aSize)
+  , mDC(aDC)
+{
+  // TODO: At least add basic memory reporting.
+  // 4 * mSize.width * mSize.height + sizeof(PrintTargetWindows) ?
+}
+
+/* static */ already_AddRefed<PrintTargetWindows>
+PrintTargetWindows::CreateOrNull(HDC aDC)
+{
+  // Figure out the cairo surface size - Windows we need to use the printable
+  // area of the page.  Note: we only scale the printing using the LOGPIXELSY,
+  // so we use that when calculating the surface width as well as the height.
+  int32_t heightDPI = ::GetDeviceCaps(aDC, LOGPIXELSY);
+  float width =
+    (::GetDeviceCaps(aDC, HORZRES) * POINTS_PER_INCH_FLOAT) / heightDPI;
+  float height =
+    (::GetDeviceCaps(aDC, VERTRES) * POINTS_PER_INCH_FLOAT) / heightDPI;
+  IntSize size = IntSize::Truncate(width, height);
+
+  if (!Factory::CheckSurfaceSize(size)) {
+    return nullptr;
+  }
+
+  cairo_surface_t* surface = cairo_win32_printing_surface_create(aDC);
+
+  if (cairo_surface_status(surface)) {
+    return nullptr;
+  }
+
+  // The new object takes ownership of our surface reference.
+  RefPtr<PrintTargetWindows> target =
+    new PrintTargetWindows(surface, size, aDC);
+
+  return target.forget();
+}
+
+nsresult
+PrintTargetWindows::BeginPrinting(const nsAString& aTitle,
+                                  const nsAString& aPrintToFileName)
+{
+  const uint32_t DOC_TITLE_LENGTH = MAX_PATH - 1;
+
+  DOCINFOW docinfo;
+
+  nsString titleStr(aTitle);
+  if (titleStr.Length() > DOC_TITLE_LENGTH) {
+    titleStr.SetLength(DOC_TITLE_LENGTH - 3);
+    titleStr.AppendLiteral("...");
+  }
+
+  nsString docName(aPrintToFileName);
+  docinfo.cbSize = sizeof(docinfo);
+  docinfo.lpszDocName = titleStr.Length() > 0 ? titleStr.get() : L"Mozilla Document";
+  docinfo.lpszOutput = docName.Length() > 0 ? docName.get() : nullptr;
+  docinfo.lpszDatatype = nullptr;
+  docinfo.fwType = 0;
+
+  ::StartDocW(mDC, &docinfo);
+
+  return NS_OK;
+}
+
+nsresult
+PrintTargetWindows::EndPrinting()
+{
+  int result = ::EndDoc(mDC);
+  return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+nsresult
+PrintTargetWindows::AbortPrinting()
+{
+  int result = ::AbortDoc(mDC);
+  return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+nsresult
+PrintTargetWindows::BeginPage()
+{
+  int result = ::StartPage(mDC);
+  return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+nsresult
+PrintTargetWindows::EndPage()
+{
+  cairo_surface_show_page(mCairoSurface);
+  int result = ::EndPage(mDC);
+  return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+} // namespace gfx
+} // namespace mozilla