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/* -*- 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
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