/* -*- 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