From 622098073e132995994fac4d61e3629d08ee1801 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Wed, 21 Nov 2018 12:57:17 +0100
Subject: Bug 1462355 - Part 1b. Update Decoder and SurfacePipe plumbing to use
 updated imgFrame methods.

---
 image/Decoder.cpp | 49 ++++++++++++++++++++++---------------------------
 1 file changed, 22 insertions(+), 27 deletions(-)

(limited to 'image/Decoder.cpp')

diff --git a/image/Decoder.cpp b/image/Decoder.cpp
index f9b1034cf..a6fd67c3f 100644
--- a/image/Decoder.cpp
+++ b/image/Decoder.cpp
@@ -278,14 +278,14 @@ Decoder::Telemetry() const
 }
 
 nsresult
-Decoder::AllocateFrame(uint32_t aFrameNum,
-                       const gfx::IntSize& aOutputSize,
+Decoder::AllocateFrame(const gfx::IntSize& aOutputSize,
                        const gfx::IntRect& aFrameRect,
                        gfx::SurfaceFormat aFormat,
-                       uint8_t aPaletteDepth)
+                       uint8_t aPaletteDepth,
+                       const Maybe<AnimationParams>& aAnimParams)
 {
-  mCurrentFrame = AllocateFrameInternal(aFrameNum, aOutputSize, aFrameRect,
-                                        aFormat, aPaletteDepth,
+  mCurrentFrame = AllocateFrameInternal(aOutputSize, aFrameRect, aFormat,
+                                        aPaletteDepth, aAnimParams,
                                         mCurrentFrame.get());
 
   if (mCurrentFrame) {
@@ -295,7 +295,7 @@ Decoder::AllocateFrame(uint32_t aFrameNum,
 
     // We should now be on |aFrameNum|. (Note that we're comparing the frame
     // number, which is zero-based, with the frame count, which is one-based.)
-    MOZ_ASSERT(aFrameNum + 1 == mFrameCount);
+    MOZ_ASSERT(aAnimParams, aAnimParams->mFrameNum + 1 == mFrameCount);
 
     // If we're past the first frame, PostIsAnimated() should've been called.
     MOZ_ASSERT_IF(mFrameCount > 1, HasAnimation());
@@ -309,18 +309,19 @@ Decoder::AllocateFrame(uint32_t aFrameNum,
 }
 
 RawAccessFrameRef
-Decoder::AllocateFrameInternal(uint32_t aFrameNum,
-                               const gfx::IntSize& aOutputSize,
+Decoder::AllocateFrameInternal(const gfx::IntSize& aOutputSize,
                                const gfx::IntRect& aFrameRect,
                                SurfaceFormat aFormat,
                                uint8_t aPaletteDepth,
+                               const Maybe<AnimationParams>& aAnimParams,
                                imgFrame* aPreviousFrame)
 {
   if (HasError()) {
     return RawAccessFrameRef();
   }
 
-  if (aFrameNum != mFrameCount) {
+  uint32_t frameNum = aAnimParams ? aAnimParams->mFrameNum : 0;
+  if (frameNum != mFrameCount) {
     MOZ_ASSERT_UNREACHABLE("Allocating frames out of order");
     return RawAccessFrameRef();
   }
@@ -334,7 +335,8 @@ Decoder::AllocateFrameInternal(uint32_t aFrameNum,
   NotNull<RefPtr<imgFrame>> frame = WrapNotNull(new imgFrame());
   bool nonPremult = bool(mSurfaceFlags & SurfaceFlags::NO_PREMULTIPLY_ALPHA);
   if (NS_FAILED(frame->InitForDecoder(aOutputSize, aFrameRect, aFormat,
-                                      aPaletteDepth, nonPremult))) {
+                                      aPaletteDepth, nonPremult,
+                                      aAnimParams))) {
     NS_WARNING("imgFrame::Init should succeed");
     return RawAccessFrameRef();
   }
@@ -345,22 +347,22 @@ Decoder::AllocateFrameInternal(uint32_t aFrameNum,
     return RawAccessFrameRef();
   }
 
-  if (aFrameNum == 1) {
+  if (frameNum == 1) {
     MOZ_ASSERT(aPreviousFrame, "Must provide a previous frame when animated");
     aPreviousFrame->SetRawAccessOnly();
 
     // If we dispose of the first frame by clearing it, then the first frame's
     // refresh area is all of itself.
     // RESTORE_PREVIOUS is invalid (assumed to be DISPOSE_CLEAR).
-    AnimationData previousFrameData = aPreviousFrame->GetAnimationData();
-    if (previousFrameData.mDisposalMethod == DisposalMethod::CLEAR ||
-        previousFrameData.mDisposalMethod == DisposalMethod::CLEAR_ALL ||
-        previousFrameData.mDisposalMethod == DisposalMethod::RESTORE_PREVIOUS) {
-      mFirstFrameRefreshArea = previousFrameData.mRect;
+    DisposalMethod prevDisposal = aPreviousFrame->GetDisposalMethod();
+    if (prevDisposal == DisposalMethod::CLEAR ||
+        prevDisposal == DisposalMethod::CLEAR_ALL ||
+        prevDisposal == DisposalMethod::RESTORE_PREVIOUS) {
+      mFirstFrameRefreshArea = aPreviousFrame->GetRect();
     }
   }
 
-  if (aFrameNum > 0) {
+  if (frameNum > 0) {
     ref->SetRawAccessOnly();
 
     // Some GIFs are huge but only have a small area that they animate. We only
@@ -432,13 +434,7 @@ Decoder::PostIsAnimated(FrameTimeout aFirstFrameTimeout)
 }
 
 void
-Decoder::PostFrameStop(Opacity aFrameOpacity
-                         /* = Opacity::SOME_TRANSPARENCY */,
-                       DisposalMethod aDisposalMethod
-                         /* = DisposalMethod::KEEP */,
-                       FrameTimeout aTimeout /* = FrameTimeout::Forever() */,
-                       BlendMethod aBlendMethod /* = BlendMethod::OVER */,
-                       const Maybe<nsIntRect>& aBlendRect /* = Nothing() */)
+Decoder::PostFrameStop(Opacity aFrameOpacity)
 {
   // We should be mid-frame
   MOZ_ASSERT(!IsMetadataDecode(), "Stopping frame during metadata decode");
@@ -449,12 +445,11 @@ Decoder::PostFrameStop(Opacity aFrameOpacity
   mInFrame = false;
   mFinishedNewFrame = true;
 
-  mCurrentFrame->Finish(aFrameOpacity, aDisposalMethod, aTimeout,
-                        aBlendMethod, aBlendRect);
+  mCurrentFrame->Finish(aFrameOpacity);
 
   mProgress |= FLAG_FRAME_COMPLETE;
 
-  mLoopLength += aTimeout;
+  mLoopLength += mCurrentFrame->GetTimeout();
 
   // If we're not sending partial invalidations, then we send an invalidation
   // here when the first frame is complete.
-- 
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