127 lines
2.8 KiB
C++
127 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "PrintTargetThebes.h"
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#include "gfxASurface.h"
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#include "gfxPlatform.h"
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#include "mozilla/gfx/Logging.h"
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namespace mozilla {
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namespace gfx {
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/* static */ already_AddRefed<PrintTargetThebes>
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PrintTargetThebes::CreateOrNull(gfxASurface* aSurface)
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{
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MOZ_ASSERT(aSurface);
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if (!aSurface || aSurface->CairoStatus()) {
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return nullptr;
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}
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RefPtr<PrintTargetThebes> target = new PrintTargetThebes(aSurface);
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return target.forget();
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}
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PrintTargetThebes::PrintTargetThebes(gfxASurface* aSurface)
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: PrintTarget(nullptr, aSurface->GetSize())
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, mGfxSurface(aSurface)
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{
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}
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already_AddRefed<DrawTarget>
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PrintTargetThebes::MakeDrawTarget(const IntSize& aSize,
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DrawEventRecorder* aRecorder)
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{
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// This should not be called outside of BeginPage()/EndPage() calls since
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// some backends can only provide a valid DrawTarget at that time.
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MOZ_ASSERT(mHasActivePage, "We can't guarantee a valid DrawTarget");
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RefPtr<gfx::DrawTarget> dt =
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gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(mGfxSurface, aSize);
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if (!dt || !dt->IsValid()) {
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return nullptr;
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}
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if (aRecorder) {
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dt = CreateRecordingDrawTarget(aRecorder, dt);
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if (!dt || !dt->IsValid()) {
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return nullptr;
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}
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}
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return dt.forget();
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}
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already_AddRefed<DrawTarget>
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PrintTargetThebes::GetReferenceDrawTarget(DrawEventRecorder* aRecorder)
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{
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if (!mRefDT) {
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RefPtr<gfx::DrawTarget> dt =
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gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(mGfxSurface, mSize);
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if (!dt || !dt->IsValid()) {
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return nullptr;
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}
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if (aRecorder) {
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dt = CreateRecordingDrawTarget(aRecorder, dt);
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if (!dt || !dt->IsValid()) {
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return nullptr;
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}
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}
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mRefDT = dt->CreateSimilarDrawTarget(IntSize(1,1), dt->GetFormat());
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}
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return do_AddRef(mRefDT);
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}
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nsresult
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PrintTargetThebes::BeginPrinting(const nsAString& aTitle,
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const nsAString& aPrintToFileName)
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{
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return mGfxSurface->BeginPrinting(aTitle, aPrintToFileName);
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}
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nsresult
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PrintTargetThebes::EndPrinting()
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{
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return mGfxSurface->EndPrinting();
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}
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nsresult
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PrintTargetThebes::AbortPrinting()
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{
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#ifdef DEBUG
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mHasActivePage = false;
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#endif
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return mGfxSurface->AbortPrinting();
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}
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nsresult
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PrintTargetThebes::BeginPage()
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{
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#ifdef DEBUG
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mHasActivePage = true;
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#endif
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return mGfxSurface->BeginPage();
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}
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nsresult
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PrintTargetThebes::EndPage()
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{
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#ifdef DEBUG
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mHasActivePage = false;
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#endif
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return mGfxSurface->EndPage();
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}
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void
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PrintTargetThebes::Finish()
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{
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return mGfxSurface->Finish();
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}
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} // namespace gfx
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} // namespace mozilla
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