Revert of Back PaintRecord with PaintOpBuffer instead of SkPicture

cc/paint/record_paint_canvas.cc

Index: cc/paint/record_paint_canvas.cc
diff --git a/cc/paint/record_paint_canvas.cc b/cc/paint/record_paint_canvas.cc
deleted file mode 100644
index 935452a3b5048b42b5efa5316b3d1b669dd855b2..0000000000000000000000000000000000000000
--- a/cc/paint/record_paint_canvas.cc
+++ /dev/null
@@ -1,372 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "cc/paint/record_paint_canvas.h"
-
-#include "base/memory/ptr_util.h"
-#include "cc/paint/display_item_list.h"
-#include "cc/paint/paint_op_buffer.h"
-#include "cc/paint/paint_record.h"
-#include "cc/paint/paint_recorder.h"
-#include "third_party/skia/include/core/SkAnnotation.h"
-#include "third_party/skia/include/core/SkMetaData.h"
-#include "third_party/skia/include/utils/SkNWayCanvas.h"
-
-namespace cc {
-
-RecordPaintCanvas::RecordPaintCanvas(PaintOpBuffer* buffer) : buffer_(buffer) {
-  DCHECK(buffer_);
-}
-
-RecordPaintCanvas::~RecordPaintCanvas() = default;
-
-SkMetaData& RecordPaintCanvas::getMetaData() {
-  // This could just be SkMetaData owned by RecordPaintCanvas, but since
-  // SkCanvas already has one, we might as well use it directly.
-  return GetCanvas()->getMetaData();
-}
-
-SkImageInfo RecordPaintCanvas::imageInfo() const {
-  return GetCanvas()->imageInfo();
-}
-
-void RecordPaintCanvas::flush() {
-  // This is a noop when recording.
-}
-
-int RecordPaintCanvas::save() {
-  buffer_->push<SaveOp>();
-  return GetCanvas()->save();
-}
-
-int RecordPaintCanvas::saveLayer(const SkRect* bounds,
-                                 const PaintFlags* flags) {
-  if (flags) {
-    if (flags->IsSimpleOpacity()) {
-      // TODO(enne): maybe more callers should know this and call
-      // saveLayerAlpha instead of needing to check here.
-      uint8_t alpha = SkColorGetA(flags->getColor());
-      return saveLayerAlpha(bounds, alpha);
-    }
-
-    // TODO(enne): it appears that image filters affect matrices and color
-    // matrices affect transparent flags on SkCanvas layers, but it's not clear
-    // whether those are actually needed and we could just skip ToSkPaint here.
-    buffer_->push<SaveLayerOp>(bounds, flags);
-    const SkPaint& paint = ToSkPaint(*flags);
-    return GetCanvas()->saveLayer(bounds, &paint);
-  }
-  buffer_->push<SaveLayerOp>(bounds, flags);
-  return GetCanvas()->saveLayer(bounds, nullptr);
-}
-
-int RecordPaintCanvas::saveLayerAlpha(const SkRect* bounds, uint8_t alpha) {
-  buffer_->push<SaveLayerAlphaOp>(bounds, alpha);
-  return GetCanvas()->saveLayerAlpha(bounds, alpha);
-}
-
-void RecordPaintCanvas::restore() {
-  buffer_->push<RestoreOp>();
-  GetCanvas()->restore();
-}
-
-int RecordPaintCanvas::getSaveCount() const {
-  return GetCanvas()->getSaveCount();
-}
-
-void RecordPaintCanvas::restoreToCount(int save_count) {
-  if (!canvas_) {
-    DCHECK_EQ(save_count, 1);
-    return;
-  }
-
-  DCHECK_GE(save_count, 1);
-  int diff = GetCanvas()->getSaveCount() - save_count;
-  DCHECK_GE(diff, 0);
-  for (int i = 0; i < diff; ++i)
-    restore();
-}
-
-void RecordPaintCanvas::translate(SkScalar dx, SkScalar dy) {
-  buffer_->push<TranslateOp>(dx, dy);
-  GetCanvas()->translate(dx, dy);
-}
-
-void RecordPaintCanvas::scale(SkScalar sx, SkScalar sy) {
-  buffer_->push<ScaleOp>(sx, sy);
-  GetCanvas()->scale(sx, sy);
-}
-
-void RecordPaintCanvas::rotate(SkScalar degrees) {
-  buffer_->push<RotateOp>(degrees);
-  GetCanvas()->rotate(degrees);
-}
-
-void RecordPaintCanvas::concat(const SkMatrix& matrix) {
-  buffer_->push<ConcatOp>(matrix);
-  GetCanvas()->concat(matrix);
-}
-
-void RecordPaintCanvas::setMatrix(const SkMatrix& matrix) {
-  buffer_->push<SetMatrixOp>(matrix);
-  GetCanvas()->setMatrix(matrix);
-}
-
-void RecordPaintCanvas::clipRect(const SkRect& rect,
-                                 SkClipOp op,
-                                 bool antialias) {
-  buffer_->push<ClipRectOp>(rect, op, antialias);
-  GetCanvas()->clipRect(rect, op, antialias);
-}
-
-void RecordPaintCanvas::clipRRect(const SkRRect& rrect,
-                                  SkClipOp op,
-                                  bool antialias) {
-  // TODO(enne): does this happen? Should the caller know this?
-  if (rrect.isRect()) {
-    clipRect(rrect.getBounds(), op, antialias);
-    return;
-  }
-  buffer_->push<ClipRRectOp>(rrect, op, antialias);
-  GetCanvas()->clipRRect(rrect, op, antialias);
-}
-
-void RecordPaintCanvas::clipPath(const SkPath& path,
-                                 SkClipOp op,
-                                 bool antialias) {
-  if (!path.isInverseFillType() &&
-      GetCanvas()->getTotalMatrix().rectStaysRect()) {
-    // TODO(enne): do these cases happen? should the caller know that this isn't
-    // a path?
-    SkRect rect;
-    if (path.isRect(&rect)) {
-      clipRect(rect, op, antialias);
-      return;
-    }
-    SkRRect rrect;
-    if (path.isOval(&rect)) {
-      rrect.setOval(rect);
-      clipRRect(rrect, op, antialias);
-      return;
-    }
-    if (path.isRRect(&rrect)) {
-      clipRRect(rrect, op, antialias);
-      return;
-    }
-  }
-
-  buffer_->push<ClipPathOp>(path, op, antialias);
-  GetCanvas()->clipPath(path, op, antialias);
-  return;
-}
-
-bool RecordPaintCanvas::quickReject(const SkRect& rect) const {
-  return GetCanvas()->quickReject(rect);
-}
-
-bool RecordPaintCanvas::quickReject(const SkPath& path) const {
-  return GetCanvas()->quickReject(path);
-}
-
-SkRect RecordPaintCanvas::getLocalClipBounds() const {
-  return GetCanvas()->getLocalClipBounds();
-}
-
-bool RecordPaintCanvas::getLocalClipBounds(SkRect* bounds) const {
-  return GetCanvas()->getLocalClipBounds(bounds);
-}
-
-SkIRect RecordPaintCanvas::getDeviceClipBounds() const {
-  return GetCanvas()->getDeviceClipBounds();
-}
-
-bool RecordPaintCanvas::getDeviceClipBounds(SkIRect* bounds) const {
-  return GetCanvas()->getDeviceClipBounds(bounds);
-}
-
-void RecordPaintCanvas::drawColor(SkColor color, SkBlendMode mode) {
-  buffer_->push<DrawColorOp>(color, mode);
-}
-
-void RecordPaintCanvas::clear(SkColor color) {
-  buffer_->push<DrawColorOp>(color, SkBlendMode::kSrc);
-}
-
-void RecordPaintCanvas::drawLine(SkScalar x0,
-                                 SkScalar y0,
-                                 SkScalar x1,
-                                 SkScalar y1,
-                                 const PaintFlags& flags) {
-  buffer_->push<DrawLineOp>(x0, y0, x1, y1, flags);
-}
-
-void RecordPaintCanvas::drawRect(const SkRect& rect, const PaintFlags& flags) {
-  buffer_->push<DrawRectOp>(rect, flags);
-}
-
-void RecordPaintCanvas::drawIRect(const SkIRect& rect,
-                                  const PaintFlags& flags) {
-  buffer_->push<DrawIRectOp>(rect, flags);
-}
-
-void RecordPaintCanvas::drawOval(const SkRect& oval, const PaintFlags& flags) {
-  buffer_->push<DrawOvalOp>(oval, flags);
-}
-
-void RecordPaintCanvas::drawRRect(const SkRRect& rrect,
-                                  const PaintFlags& flags) {
-  buffer_->push<DrawRRectOp>(rrect, flags);
-}
-
-void RecordPaintCanvas::drawDRRect(const SkRRect& outer,
-                                   const SkRRect& inner,
-                                   const PaintFlags& flags) {
-  if (outer.isEmpty())
-    return;
-  if (inner.isEmpty()) {
-    drawRRect(outer, flags);
-    return;
-  }
-  buffer_->push<DrawDRRectOp>(outer, inner, flags);
-}
-
-void RecordPaintCanvas::drawCircle(SkScalar cx,
-                                   SkScalar cy,
-                                   SkScalar radius,
-                                   const PaintFlags& flags) {
-  buffer_->push<DrawCircleOp>(cx, cy, radius, flags);
-}
-
-void RecordPaintCanvas::drawArc(const SkRect& oval,
-                                SkScalar start_angle,
-                                SkScalar sweep_angle,
-                                bool use_center,
-                                const PaintFlags& flags) {
-  buffer_->push<DrawArcOp>(oval, start_angle, sweep_angle, use_center, flags);
-}
-
-void RecordPaintCanvas::drawRoundRect(const SkRect& rect,
-                                      SkScalar rx,
-                                      SkScalar ry,
-                                      const PaintFlags& flags) {
-  // TODO(enne): move this into base class?
-  if (rx > 0 && ry > 0) {
-    SkRRect rrect;
-    rrect.setRectXY(rect, rx, ry);
-    drawRRect(rrect, flags);
-  } else {
-    drawRect(rect, flags);
-  }
-}
-
-void RecordPaintCanvas::drawPath(const SkPath& path, const PaintFlags& flags) {
-  buffer_->push<DrawPathOp>(path, flags);
-}
-
-void RecordPaintCanvas::drawImage(const PaintImage& image,
-                                  SkScalar left,
-                                  SkScalar top,
-                                  const PaintFlags* flags) {
-  buffer_->push<DrawImageOp>(image, left, top, flags);
-}
-
-void RecordPaintCanvas::drawImageRect(const PaintImage& image,
-                                      const SkRect& src,
-                                      const SkRect& dst,
-                                      const PaintFlags* flags,
-                                      SrcRectConstraint constraint) {
-  buffer_->push<DrawImageRectOp>(image, src, dst, flags, constraint);
-}
-
-void RecordPaintCanvas::drawBitmap(const SkBitmap& bitmap,
-                                   SkScalar left,
-                                   SkScalar top,
-                                   const PaintFlags* flags) {
-  // TODO(enne): Move into base class?
-  if (bitmap.drawsNothing())
-    return;
-  drawImage(PaintImage(SkImage::MakeFromBitmap(bitmap),
-                       PaintImage::AnimationType::UNKNOWN,
-                       PaintImage::CompletionState::UNKNOWN),
-            left, top, flags);
-}
-
-void RecordPaintCanvas::drawText(const void* text,
-                                 size_t byte_length,
-                                 SkScalar x,
-                                 SkScalar y,
-                                 const PaintFlags& flags) {
-  buffer_->push_with_data<DrawTextOp>(text, byte_length, x, y, flags);
-}
-
-void RecordPaintCanvas::drawPosText(const void* text,
-                                    size_t byte_length,
-                                    const SkPoint pos[],
-                                    const PaintFlags& flags) {
-  size_t count = ToSkPaint(flags).countText(text, byte_length);
-  buffer_->push_with_data_array<DrawPosTextOp>(text, byte_length, pos, count,
-                                               flags);
-}
-
-void RecordPaintCanvas::drawTextBlob(sk_sp<SkTextBlob> blob,
-                                     SkScalar x,
-                                     SkScalar y,
-                                     const PaintFlags& flags) {
-  buffer_->push<DrawTextBlobOp>(blob, x, y, flags);
-}
-
-void RecordPaintCanvas::drawDisplayItemList(
-    scoped_refptr<DisplayItemList> list) {
-  buffer_->push<DrawDisplayItemListOp>(list);
-}
-
-void RecordPaintCanvas::drawPicture(sk_sp<const PaintRecord> record) {
-  // TODO(enne): If this is small, maybe flatten it?
-  buffer_->push<DrawRecordOp>(record);
-}
-
-bool RecordPaintCanvas::isClipEmpty() const {
-  return GetCanvas()->isClipEmpty();
-}
-
-bool RecordPaintCanvas::isClipRect() const {
-  return GetCanvas()->isClipRect();
-}
-
-const SkMatrix& RecordPaintCanvas::getTotalMatrix() const {
-  return GetCanvas()->getTotalMatrix();
-}
-
-void RecordPaintCanvas::Annotate(AnnotationType type,
-                                 const SkRect& rect,
-                                 sk_sp<SkData> data) {
-  buffer_->push<AnnotateOp>(type, rect, data);
-}
-
-void RecordPaintCanvas::PlaybackPaintRecord(sk_sp<const PaintRecord> record) {
-  drawPicture(record);
-}
-
-const SkNoDrawCanvas* RecordPaintCanvas::GetCanvas() const {
-  return const_cast<RecordPaintCanvas*>(this)->GetCanvas();
-}
-
-SkNoDrawCanvas* RecordPaintCanvas::GetCanvas() {
-  if (canvas_)
-    return &*canvas_;
-
-  SkIRect rect = buffer_->cullRect().roundOut();
-  canvas_.emplace(rect.right(), rect.bottom());
-
-  // This is part of the "recording canvases have a size, but why" dance.
-  // By creating a canvas of size (right x bottom) and then clipping it,
-  // It makes getDeviceClipBounds return the original cull rect, which code
-  // in GraphicsContextCanvas on Mac expects.  (Just creating an SkNoDrawCanvas
-  // with the cull_rect makes a canvas of size (width x height) instead
-  // which is incorrect.  SkRecorder cheats with private resetForNextCanvas.
-  canvas_->clipRect(SkRect::Make(rect), SkClipOp::kIntersect, false);
-  return &*canvas_;
-}
-
-}  // namespace cc