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-rw-r--r--gfx/thebes/PrintTargetThebes.cpp98
1 files changed, 98 insertions, 0 deletions
diff --git a/gfx/thebes/PrintTargetThebes.cpp b/gfx/thebes/PrintTargetThebes.cpp
new file mode 100644
index 0000000000..e121b0a7e2
--- /dev/null
+++ b/gfx/thebes/PrintTargetThebes.cpp
@@ -0,0 +1,98 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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::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::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() {
+ if (!mRefDT) {
+ RefPtr<gfx::DrawTarget> dt =
+ gfxPlatform::CreateDrawTargetForSurface(mGfxSurface, mSize);
+ 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,
+ int32_t aStartPage,
+ int32_t aEndPage) {
+ 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 mozilla::gfx