1 files changed, 126 insertions, 0 deletions
diff --git a/gfx/thebes/PrintTargetThebes.cpp b/gfx/thebes/PrintTargetThebes.cpp
new file mode 100644
index 000000000..1cacf098f
--- /dev/null
+++ b/gfx/thebes/PrintTargetThebes.cpp
@@ -0,0 +1,126 @@
+/* -*- 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 "PrintTargetThebes.h"
+
+#include "gfxASurface.h"
+#include "gfxPlatform.h"
+#include "mozilla/gfx/Logging.h"
+
+namespace mozilla {
+namespace gfx {
+
+/* static */ already_AddRefed<PrintTargetThebes>
+PrintTargetThebes::CreateOrNull(gfxASurface* aSurface)
+{
+  MOZ_ASSERT(aSurface);
+
+  if (!aSurface || aSurface->CairoStatus()) {
+    return nullptr;
+  }
+
+  RefPtr<PrintTargetThebes> target = new PrintTargetThebes(aSurface);
+
+  return target.forget();
+}
+
+PrintTargetThebes::PrintTargetThebes(gfxASurface* aSurface)
+  : PrintTarget(nullptr, aSurface->GetSize())
+  , mGfxSurface(aSurface)
+{
+}
+
+already_AddRefed<DrawTarget>
+PrintTargetThebes::MakeDrawTarget(const IntSize& aSize,
+                                  DrawEventRecorder* aRecorder)
+{
+  // This should not be called outside of BeginPage()/EndPage() calls since
+  // some backends can only provide a valid DrawTarget at that time.
+  MOZ_ASSERT(mHasActivePage, "We can't guarantee a valid DrawTarget");
+
+  RefPtr<gfx::DrawTarget> dt =
+    gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(mGfxSurface, aSize);
+  if (!dt || !dt->IsValid()) {
+    return nullptr;
+  }
+
+  if (aRecorder) {
+    dt = CreateRecordingDrawTarget(aRecorder, dt);
+    if (!dt || !dt->IsValid()) {
+      return nullptr;
+    }
+  }
+
+  return dt.forget();
+}
+
+already_AddRefed<DrawTarget>
+PrintTargetThebes::GetReferenceDrawTarget(DrawEventRecorder* aRecorder)
+{
+  if (!mRefDT) {
+    RefPtr<gfx::DrawTarget> dt =
+      gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(mGfxSurface, mSize);
+    if (!dt || !dt->IsValid()) {
+      return nullptr;
+    }
+    if (aRecorder) {
+      dt = CreateRecordingDrawTarget(aRecorder, dt);
+      if (!dt || !dt->IsValid()) {
+        return nullptr;
+      }
+    }
+    mRefDT = dt->CreateSimilarDrawTarget(IntSize(1,1), dt->GetFormat());
+  }
+  return do_AddRef(mRefDT);
+}
+
+nsresult
+PrintTargetThebes::BeginPrinting(const nsAString& aTitle,
+                                 const nsAString& aPrintToFileName)
+{
+  return mGfxSurface->BeginPrinting(aTitle, aPrintToFileName);
+}
+
+nsresult
+PrintTargetThebes::EndPrinting()
+{
+  return mGfxSurface->EndPrinting();
+}
+
+nsresult
+PrintTargetThebes::AbortPrinting()
+{
+#ifdef DEBUG
+  mHasActivePage = false;
+#endif
+  return mGfxSurface->AbortPrinting();
+}
+
+nsresult
+PrintTargetThebes::BeginPage()
+{
+#ifdef DEBUG
+  mHasActivePage = true;
+#endif
+  return mGfxSurface->BeginPage();
+}
+
+nsresult
+PrintTargetThebes::EndPage()
+{
+#ifdef DEBUG
+  mHasActivePage = false;
+#endif
+  return mGfxSurface->EndPage();
+}
+
+void
+PrintTargetThebes::Finish()
+{
+  return mGfxSurface->Finish();
+}
+
+} // namespace gfx
+} // namespace mozilla