Mypal/gfx/2d/DrawTarget.cpp

57 lines
1.5 KiB
C++

/* -*- 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 "2D.h"
#include "Logging.h"
#include "PathHelpers.h"
#include "DrawTargetCapture.h"
namespace mozilla {
namespace gfx {
already_AddRefed<DrawTargetCapture>
DrawTarget::CreateCaptureDT(const IntSize& aSize)
{
RefPtr<DrawTargetCaptureImpl> dt = new DrawTargetCaptureImpl();
if (!dt->Init(aSize, this)) {
gfxWarning() << "Failed to initialize Capture DrawTarget!";
return nullptr;
}
return dt.forget();
}
void
DrawTarget::DrawCapturedDT(DrawTargetCapture *aCaptureDT,
const Matrix& aTransform)
{
if (aTransform.HasNonIntegerTranslation()) {
gfxWarning() << "Non integer translations are not supported for DrawCaptureDT at this time!";
return;
}
static_cast<DrawTargetCaptureImpl*>(aCaptureDT)->ReplayToDrawTarget(this, aTransform);
}
void
DrawTarget::PushDeviceSpaceClipRects(const IntRect* aRects, uint32_t aCount)
{
Matrix oldTransform = GetTransform();
SetTransform(Matrix());
RefPtr<PathBuilder> pathBuilder = CreatePathBuilder();
for (uint32_t i = 0; i < aCount; i++) {
AppendRectToPath(pathBuilder, Rect(aRects[i]));
}
RefPtr<Path> path = pathBuilder->Finish();
PushClip(path);
SetTransform(oldTransform);
}
} // namespace gfx
} // namespace mozilla