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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/thebes/gfxQuartzNativeDrawing.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/thebes/gfxQuartzNativeDrawing.cpp')
-rw-r--r--gfx/thebes/gfxQuartzNativeDrawing.cpp74
1 files changed, 74 insertions, 0 deletions
diff --git a/gfx/thebes/gfxQuartzNativeDrawing.cpp b/gfx/thebes/gfxQuartzNativeDrawing.cpp
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index 000000000..f14b71d77
--- /dev/null
+++ b/gfx/thebes/gfxQuartzNativeDrawing.cpp
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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 "gfxQuartzNativeDrawing.h"
+#include "gfxPlatform.h"
+#include "mozilla/gfx/Helpers.h"
+
+using namespace mozilla::gfx;
+using namespace mozilla;
+
+gfxQuartzNativeDrawing::gfxQuartzNativeDrawing(DrawTarget& aDrawTarget,
+ const Rect& nativeRect)
+ : mDrawTarget(&aDrawTarget)
+ , mNativeRect(nativeRect)
+ , mCGContext(nullptr)
+{
+}
+
+CGContextRef
+gfxQuartzNativeDrawing::BeginNativeDrawing()
+{
+ NS_ASSERTION(!mCGContext, "BeginNativeDrawing called when drawing already in progress");
+
+ DrawTarget *dt = mDrawTarget;
+ if (dt->IsDualDrawTarget() || dt->IsTiledDrawTarget() ||
+ dt->GetBackendType() != BackendType::SKIA) {
+ // We need a DrawTarget that we can get a CGContextRef from:
+ Matrix transform = dt->GetTransform();
+
+ mNativeRect = transform.TransformBounds(mNativeRect);
+ mNativeRect.RoundOut();
+ // Quartz theme drawing often adjusts drawing rects, so make
+ // sure our surface is big enough for that.
+ mNativeRect.Inflate(5);
+ if (mNativeRect.IsEmpty()) {
+ return nullptr;
+ }
+
+ mTempDrawTarget =
+ Factory::CreateDrawTarget(BackendType::SKIA,
+ IntSize::Truncate(mNativeRect.width, mNativeRect.height),
+ SurfaceFormat::B8G8R8A8);
+
+ if (mTempDrawTarget) {
+ transform.PostTranslate(-mNativeRect.x, -mNativeRect.y);
+ mTempDrawTarget->SetTransform(transform);
+ }
+ dt = mTempDrawTarget;
+ }
+ if (dt) {
+ MOZ_ASSERT(dt->GetBackendType() == BackendType::SKIA);
+ mCGContext = mBorrowedContext.Init(dt);
+ MOZ_ASSERT(mCGContext);
+ }
+ return mCGContext;
+}
+
+void
+gfxQuartzNativeDrawing::EndNativeDrawing()
+{
+ NS_ASSERTION(mCGContext, "EndNativeDrawing called without BeginNativeDrawing");
+
+ mBorrowedContext.Finish();
+ if (mTempDrawTarget) {
+ RefPtr<SourceSurface> source = mTempDrawTarget->Snapshot();
+
+ AutoRestoreTransform autoRestore(mDrawTarget);
+ mDrawTarget->SetTransform(Matrix());
+ mDrawTarget->DrawSurface(source, mNativeRect,
+ Rect(0, 0, mNativeRect.width, mNativeRect.height));
+ }
+}