Rename paint data structures

cc/playback/image_hijack_canvas.cc

 // Copyright 2016 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/playback/image_hijack_canvas.h"
 
 #include "base/optional.h"
 #include "cc/playback/discardable_image_map.h"
 #include "cc/tiles/image_decode_cache.h"
 #include "third_party/skia/include/core/SkPath.h"
 
 namespace cc {
 namespace {
 
 SkIRect RoundOutRect(const SkRect& rect) {
   SkIRect result;
   rect.roundOut(&result);
   return result;
 }
 
 class ScopedDecodedImageLock {
  public:
   ScopedDecodedImageLock(ImageDecodeCache* image_decode_cache,
                          sk_sp<const SkImage> image,
                          const SkRect& src_rect,
                          const SkMatrix& matrix,
-                         const SkPaint* paint)
+                         const PaintFlags* paint)
       : image_decode_cache_(image_decode_cache),
         draw_image_(std::move(image),
                     RoundOutRect(src_rect),
                     paint ? paint->getFilterQuality() : kNone_SkFilterQuality,
                     matrix),
         decoded_draw_image_(
             image_decode_cache_->GetDecodedImageForDraw(draw_image_)) {
     DCHECK(draw_image_.image()->isLazyGenerated());
     if (paint) {
       decoded_paint_ = *paint;
       decoded_paint_->setFilterQuality(decoded_draw_image_.filter_quality());
     }
   }
 
   ScopedDecodedImageLock(ScopedDecodedImageLock&& from)
       : image_decode_cache_(from.image_decode_cache_),
         draw_image_(std::move(from.draw_image_)),
         decoded_draw_image_(std::move(from.decoded_draw_image_)),
         decoded_paint_(std::move(from.decoded_paint_)) {
     from.image_decode_cache_ = nullptr;
   }
 
   ~ScopedDecodedImageLock() {
     if (image_decode_cache_)
       image_decode_cache_->DrawWithImageFinished(draw_image_,
                                                  decoded_draw_image_);
   }
 
   const DecodedDrawImage& decoded_image() const { return decoded_draw_image_; }
-  const SkPaint* decoded_paint() const {
+  const PaintFlags* decoded_paint() const {
     return decoded_paint_ ? &decoded_paint_.value() : nullptr;
   }
 
  private:
   ImageDecodeCache* image_decode_cache_;
   DrawImage draw_image_;
   DecodedDrawImage decoded_draw_image_;
-  base::Optional<SkPaint> decoded_paint_;
+  base::Optional<PaintFlags> decoded_paint_;
 };
 
-// Encapsulates a ScopedDecodedImageLock and an SkPaint. Use of this class
-// ensures that the ScopedDecodedImageLock outlives the dependent SkPaint.
+// Encapsulates a ScopedDecodedImageLock and PaintFlags. Use of this class
+// ensures that the ScopedDecodedImageLock outlives the dependent PaintFlags.
 class ScopedImagePaint {
  public:
-  // Tries to create a ScopedImagePaint for the provided SkPaint. If a
-  // the SkPaint does not contain an image that we support replacing,
+  // Tries to create a ScopedImagePaint for the provided PaintFlags. If a
+  // the PaintFlags does not contain an image that we support replacing,
   // an empty base::Optional will be returned.
   static base::Optional<ScopedImagePaint> TryCreate(
       ImageDecodeCache* image_decode_cache,
       const SkMatrix& ctm,
-      const SkPaint& paint) {
+      const PaintFlags& paint) {
     SkShader* shader = paint.getShader();
     if (!shader)
       return base::Optional<ScopedImagePaint>();
 
     SkMatrix matrix;
     SkShader::TileMode xy[2];
     SkImage* image = shader->isAImage(&matrix, xy);
     if (!image || !image->isLazyGenerated())
       return base::Optional<ScopedImagePaint>();
 
     SkMatrix total_image_matrix = matrix;
     total_image_matrix.preConcat(ctm);
 
     ScopedDecodedImageLock scoped_lock(
         image_decode_cache, sk_ref_sp(image),
         SkRect::MakeIWH(image->width(), image->height()), total_image_matrix,
         &paint);
     const DecodedDrawImage& decoded_image = scoped_lock.decoded_image();
     if (!decoded_image.image())
       return base::Optional<ScopedImagePaint>();
 
     bool need_scale = !decoded_image.is_scale_adjustment_identity();
     if (need_scale) {
       matrix.preScale(1.f / decoded_image.scale_adjustment().width(),
                       1.f / decoded_image.scale_adjustment().height());
     }
-    SkPaint scratch_paint = paint;
+    PaintFlags scratch_paint = paint;
     scratch_paint.setShader(
         decoded_image.image()->makeShader(xy[0], xy[1], &matrix));
     return ScopedImagePaint(std::move(scoped_lock), std::move(scratch_paint));
   }
 
-  const SkPaint& paint() { return paint_; }
+  const PaintFlags& paint() { return paint_; }
 
  private:
-  ScopedImagePaint(ScopedDecodedImageLock lock, SkPaint paint)
+  ScopedImagePaint(ScopedDecodedImageLock lock, PaintFlags paint)
       : lock_(std::move(lock)), paint_(std::move(paint)) {}
 
   ScopedDecodedImageLock lock_;
-  SkPaint paint_;
+  PaintFlags paint_;
 };
 
 }  // namespace
 
 ImageHijackCanvas::ImageHijackCanvas(int width,
                                      int height,
                                      ImageDecodeCache* image_decode_cache)
-    : SkNWayCanvas(width, height), image_decode_cache_(image_decode_cache) {}
+    : PaintCanvasPassThrough(width, height),
+      image_decode_cache_(image_decode_cache) {}
 
-void ImageHijackCanvas::onDrawPicture(const SkPicture* picture,
+void ImageHijackCanvas::onDrawPicture(const PaintRecord* picture,
                                       const SkMatrix* matrix,
-                                      const SkPaint* paint) {
+                                      const PaintFlags* paint) {
   // Ensure that pictures are unpacked by this canvas, instead of being
   // forwarded to the raster canvas.
-  SkCanvas::onDrawPicture(picture, matrix, paint);
+  PaintCanvas::onDrawPicture(picture, matrix, paint);
 }
 
 void ImageHijackCanvas::onDrawImage(const SkImage* image,
                                     SkScalar x,
                                     SkScalar y,
-                                    const SkPaint* paint) {
+                                    const PaintFlags* paint) {
   if (!image->isLazyGenerated()) {
-    SkNWayCanvas::onDrawImage(image, x, y, paint);
+    PaintCanvasPassThrough::onDrawImage(image, x, y, paint);
     return;
   }
 
   SkMatrix ctm = getTotalMatrix();
 
   ScopedDecodedImageLock scoped_lock(
       image_decode_cache_, sk_ref_sp(image),
       SkRect::MakeIWH(image->width(), image->height()), ctm, paint);
   const DecodedDrawImage& decoded_image = scoped_lock.decoded_image();
   if (!decoded_image.image())
     return;
 
   DCHECK_EQ(0, static_cast<int>(decoded_image.src_rect_offset().width()));
   DCHECK_EQ(0, static_cast<int>(decoded_image.src_rect_offset().height()));
-  const SkPaint* decoded_paint = scoped_lock.decoded_paint();
+  const PaintFlags* decoded_paint = scoped_lock.decoded_paint();
 
   bool need_scale = !decoded_image.is_scale_adjustment_identity();
   if (need_scale) {
-    SkNWayCanvas::save();
-    SkNWayCanvas::scale(1.f / (decoded_image.scale_adjustment().width()),
-                        1.f / (decoded_image.scale_adjustment().height()));
+    PaintCanvasPassThrough::save();
+    PaintCanvasPassThrough::scale(
+        1.f / (decoded_image.scale_adjustment().width()),
+        1.f / (decoded_image.scale_adjustment().height()));
   }
-  SkNWayCanvas::onDrawImage(decoded_image.image().get(), x, y, decoded_paint);
+  PaintCanvasPassThrough::onDrawImage(decoded_image.image().get(), x, y,
+                                      decoded_paint);
   if (need_scale)
-    SkNWayCanvas::restore();
+    PaintCanvasPassThrough::restore();
 }
 
 void ImageHijackCanvas::onDrawImageRect(const SkImage* image,
                                         const SkRect* src,
                                         const SkRect& dst,
-                                        const SkPaint* paint,
+                                        const PaintFlags* paint,
                                         SrcRectConstraint constraint) {
   if (!image->isLazyGenerated()) {
-    SkNWayCanvas::onDrawImageRect(image, src, dst, paint, constraint);
+    PaintCanvasPassThrough::onDrawImageRect(image, src, dst, paint, constraint);
     return;
   }
 
   SkRect src_storage;
   if (!src) {
     src_storage = SkRect::MakeIWH(image->width(), image->height());
     src = &src_storage;
   }
   SkMatrix matrix;
   matrix.setRectToRect(*src, dst, SkMatrix::kFill_ScaleToFit);
   matrix.postConcat(getTotalMatrix());
 
   ScopedDecodedImageLock scoped_lock(image_decode_cache_, sk_ref_sp(image),
                                      *src, matrix, paint);
   const DecodedDrawImage& decoded_image = scoped_lock.decoded_image();
   if (!decoded_image.image())
     return;
 
-  const SkPaint* decoded_paint = scoped_lock.decoded_paint();
+  const PaintFlags* decoded_paint = scoped_lock.decoded_paint();
 
   SkRect adjusted_src =
       src->makeOffset(decoded_image.src_rect_offset().width(),
                       decoded_image.src_rect_offset().height());
   if (!decoded_image.is_scale_adjustment_identity()) {
     float x_scale = decoded_image.scale_adjustment().width();
     float y_scale = decoded_image.scale_adjustment().height();
     adjusted_src = SkRect::MakeXYWH(
         adjusted_src.x() * x_scale, adjusted_src.y() * y_scale,
         adjusted_src.width() * x_scale, adjusted_src.height() * y_scale);
   }
-  SkNWayCanvas::onDrawImageRect(decoded_image.image().get(), &adjusted_src, dst,
-                                decoded_paint, constraint);
+  PaintCanvasPassThrough::onDrawImageRect(decoded_image.image().get(),
+                                          &adjusted_src, dst, decoded_paint,
+                                          constraint);
 }
 
-void ImageHijackCanvas::onDrawRect(const SkRect& r, const SkPaint& paint) {
+void ImageHijackCanvas::onDrawRect(const SkRect& r, const PaintFlags& paint) {
   base::Optional<ScopedImagePaint> image_paint =
       ScopedImagePaint::TryCreate(image_decode_cache_, getTotalMatrix(), paint);
   if (!image_paint.has_value()) {
-    SkNWayCanvas::onDrawRect(r, paint);
+    PaintCanvasPassThrough::onDrawRect(r, paint);
     return;
   }
-  SkNWayCanvas::onDrawRect(r, image_paint.value().paint());
+  PaintCanvasPassThrough::onDrawRect(r, image_paint.value().paint());
 }
 
-void ImageHijackCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
+void ImageHijackCanvas::onDrawPath(const SkPath& path,
+                                   const PaintFlags& paint) {
   base::Optional<ScopedImagePaint> image_paint =
       ScopedImagePaint::TryCreate(image_decode_cache_, getTotalMatrix(), paint);
   if (!image_paint.has_value()) {
-    SkNWayCanvas::onDrawPath(path, paint);
+    PaintCanvasPassThrough::onDrawPath(path, paint);
     return;
   }
-  SkNWayCanvas::onDrawPath(path, image_paint.value().paint());
+  PaintCanvasPassThrough::onDrawPath(path, image_paint.value().paint());
 }
 
-void ImageHijackCanvas::onDrawOval(const SkRect& r, const SkPaint& paint) {
+void ImageHijackCanvas::onDrawOval(const SkRect& r, const PaintFlags& paint) {
   base::Optional<ScopedImagePaint> image_paint =
       ScopedImagePaint::TryCreate(image_decode_cache_, getTotalMatrix(), paint);
   if (!image_paint.has_value()) {
-    SkNWayCanvas::onDrawOval(r, paint);
+    PaintCanvasPassThrough::onDrawOval(r, paint);
     return;
   }
-  SkNWayCanvas::onDrawOval(r, image_paint.value().paint());
+  PaintCanvasPassThrough::onDrawOval(r, image_paint.value().paint());
 }
 
 void ImageHijackCanvas::onDrawArc(const SkRect& r,
                                   SkScalar start_angle,
                                   SkScalar sweep_angle,
                                   bool use_center,
-                                  const SkPaint& paint) {
+                                  const PaintFlags& paint) {
   base::Optional<ScopedImagePaint> image_paint =
       ScopedImagePaint::TryCreate(image_decode_cache_, getTotalMatrix(), paint);
   if (!image_paint.has_value()) {
-    SkNWayCanvas::onDrawArc(r, start_angle, sweep_angle, use_center, paint);
+    PaintCanvasPassThrough::onDrawArc(r, start_angle, sweep_angle, use_center,
+                                      paint);
     return;
   }
-  SkNWayCanvas::onDrawArc(r, start_angle, sweep_angle, use_center,
-                          image_paint.value().paint());
+  PaintCanvasPassThrough::onDrawArc(r, start_angle, sweep_angle, use_center,
+                                    image_paint.value().paint());
 }
 
-void ImageHijackCanvas::onDrawRRect(const SkRRect& rr, const SkPaint& paint) {
+void ImageHijackCanvas::onDrawRRect(const SkRRect& rr,
+                                    const PaintFlags& paint) {
   base::Optional<ScopedImagePaint> image_paint =
       ScopedImagePaint::TryCreate(image_decode_cache_, getTotalMatrix(), paint);
   if (!image_paint.has_value()) {
-    SkNWayCanvas::onDrawRRect(rr, paint);
+    PaintCanvasPassThrough::onDrawRRect(rr, paint);
     return;
   }
-  SkNWayCanvas::onDrawRRect(rr, image_paint.value().paint());
+  PaintCanvasPassThrough::onDrawRRect(rr, image_paint.value().paint());
 }
 
 void ImageHijackCanvas::onDrawImageNine(const SkImage* image,
                                         const SkIRect& center,
                                         const SkRect& dst,
-                                        const SkPaint* paint) {
+                                        const PaintFlags* paint) {
   // No cc embedder issues image nine calls.
   NOTREACHED();
 }
 
 }  // namespace cc