cc: Make PaintCanvas abstract

cc/paint/skia_paint_canvas.cc

Index: cc/paint/skia_paint_canvas.cc
diff --git a/cc/paint/skia_paint_canvas.cc b/cc/paint/skia_paint_canvas.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5928cecc78f5286773b8f5eb6770bf12cb2bd7f6
--- /dev/null
+++ b/cc/paint/skia_paint_canvas.cc
@@ -0,0 +1,349 @@
+// 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/paint_canvas.h"
+
+#include "base/memory/ptr_util.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 {
+
+SkiaPaintCanvas::SkiaPaintCanvas(SkCanvas* canvas) : canvas_(canvas) {}
+
+SkiaPaintCanvas::SkiaPaintCanvas(const SkBitmap& bitmap)
+    : canvas_(new SkCanvas(bitmap)), owned_(canvas_) {}
+
+SkiaPaintCanvas::SkiaPaintCanvas(const SkBitmap& bitmap,
+                                 const SkSurfaceProps& props)
+    : canvas_(new SkCanvas(bitmap, props)), owned_(canvas_) {}
+
+SkiaPaintCanvas::~SkiaPaintCanvas() = default;
+
+SkMetaData& SkiaPaintCanvas::getMetaData() {
+  return canvas_->getMetaData();
+}
+
+SkImageInfo SkiaPaintCanvas::imageInfo() const {
+  return canvas_->imageInfo();
+}
+
+void SkiaPaintCanvas::flush() {
+  canvas_->flush();
+}
+
+SkISize SkiaPaintCanvas::getBaseLayerSize() const {
+  return canvas_->getBaseLayerSize();
+}
+
+bool SkiaPaintCanvas::peekPixels(SkPixmap* pixmap) {
+  return canvas_->peekPixels(pixmap);
+}
+
+bool SkiaPaintCanvas::readPixels(const SkImageInfo& dest_info,
+                                 void* dest_pixels,
+                                 size_t dest_row_bytes,
+                                 int src_x,
+                                 int src_y) {
+  return canvas_->readPixels(dest_info, dest_pixels, dest_row_bytes, src_x,
+                             src_y);
+}
+
+bool SkiaPaintCanvas::readPixels(SkBitmap* bitmap, int src_x, int src_y) {
+  return canvas_->readPixels(bitmap, src_x, src_y);
+}
+
+bool SkiaPaintCanvas::readPixels(const SkIRect& srcRect, SkBitmap* bitmap) {
+  return canvas_->readPixels(srcRect, bitmap);
+}
+
+bool SkiaPaintCanvas::writePixels(const SkImageInfo& info,
+                                  const void* pixels,
+                                  size_t row_bytes,
+                                  int x,
+                                  int y) {
+  return canvas_->writePixels(info, pixels, row_bytes, x, y);
+}
+
+int SkiaPaintCanvas::save() {
+  return canvas_->save();
+}
+
+int SkiaPaintCanvas::saveLayer(const SkRect* bounds, const PaintFlags* flags) {
+  return canvas_->saveLayer(bounds, ToSkPaint(flags));
+}
+
+int SkiaPaintCanvas::saveLayerAlpha(const SkRect* bounds, U8CPU alpha) {
+  return canvas_->saveLayerAlpha(bounds, alpha);
+}
+
+void SkiaPaintCanvas::restore() {
+  canvas_->restore();
+}
+
+int SkiaPaintCanvas::getSaveCount() const {
+  return canvas_->getSaveCount();
+}
+
+void SkiaPaintCanvas::restoreToCount(int save_count) {
+  canvas_->restoreToCount(save_count);
+}
+
+void SkiaPaintCanvas::translate(SkScalar dx, SkScalar dy) {
+  canvas_->translate(dx, dy);
+}
+
+void SkiaPaintCanvas::scale(SkScalar sx, SkScalar sy) {
+  canvas_->scale(sx, sy);
+}
+
+void SkiaPaintCanvas::rotate(SkScalar degrees) {
+  canvas_->rotate(degrees);
+}
+
+void SkiaPaintCanvas::rotate(SkScalar degrees, SkScalar px, SkScalar py) {
+  canvas_->rotate(degrees, px, py);
+}
+
+void SkiaPaintCanvas::concat(const SkMatrix& matrix) {
+  canvas_->concat(matrix);
+}
+
+void SkiaPaintCanvas::setMatrix(const SkMatrix& matrix) {
+  canvas_->setMatrix(matrix);
+}
+
+void SkiaPaintCanvas::resetMatrix() {
+  canvas_->resetMatrix();
+}
+
+void SkiaPaintCanvas::clipRect(const SkRect& rect,
+                               SkClipOp op,
+                               bool do_anti_alias) {
+  canvas_->clipRect(rect, op, do_anti_alias);
+}
+
+void SkiaPaintCanvas::clipRRect(const SkRRect& rrect,
+                                SkClipOp op,
+                                bool do_anti_alias) {
+  canvas_->clipRRect(rrect, op, do_anti_alias);
+}
+
+void SkiaPaintCanvas::clipPath(const SkPath& path,
+                               SkClipOp op,
+                               bool do_anti_alias) {
+  canvas_->clipPath(path, op, do_anti_alias);
+}
+
+bool SkiaPaintCanvas::quickReject(const SkRect& rect) const {
+  return canvas_->quickReject(rect);
+}
+
+bool SkiaPaintCanvas::quickReject(const SkPath& path) const {
+  return canvas_->quickReject(path);
+}
+
+SkRect SkiaPaintCanvas::getLocalClipBounds() const {
+  return canvas_->getLocalClipBounds();
+}
+
+bool SkiaPaintCanvas::getLocalClipBounds(SkRect* bounds) const {
+  return canvas_->getLocalClipBounds(bounds);
+}
+
+SkIRect SkiaPaintCanvas::getDeviceClipBounds() const {
+  return canvas_->getDeviceClipBounds();
+}
+
+bool SkiaPaintCanvas::getDeviceClipBounds(SkIRect* bounds) const {
+  return canvas_->getDeviceClipBounds(bounds);
+}
+
+void SkiaPaintCanvas::drawColor(SkColor color, SkBlendMode mode) {
+  canvas_->drawColor(color, mode);
+}
+
+void SkiaPaintCanvas::clear(SkColor color) {
+  canvas_->clear(color);
+}
+
+void SkiaPaintCanvas::drawLine(SkScalar x0,
+                               SkScalar y0,
+                               SkScalar x1,
+                               SkScalar y1,
+                               const PaintFlags& flags) {
+  SkiaPaintCanvas::canvas_->drawLine(x0, y0, x1, y1, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawRect(const SkRect& rect, const PaintFlags& flags) {
+  canvas_->drawRect(rect, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawIRect(const SkIRect& rect, const PaintFlags& flags) {
+  canvas_->drawIRect(rect, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawOval(const SkRect& oval, const PaintFlags& flags) {
+  canvas_->drawOval(oval, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawRRect(const SkRRect& rrect, const PaintFlags& flags) {
+  canvas_->drawRRect(rrect, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawDRRect(const SkRRect& outer,
+                                 const SkRRect& inner,
+                                 const PaintFlags& flags) {
+  canvas_->drawDRRect(outer, inner, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawCircle(SkScalar cx,
+                                 SkScalar cy,
+                                 SkScalar radius,
+                                 const PaintFlags& flags) {
+  canvas_->drawCircle(cx, cy, radius, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawArc(const SkRect& oval,
+                              SkScalar start_angle,
+                              SkScalar sweep_angle,
+                              bool use_center,
+                              const PaintFlags& flags) {
+  canvas_->drawArc(oval, start_angle, sweep_angle, use_center,
+                   ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawRoundRect(const SkRect& rect,
+                                    SkScalar rx,
+                                    SkScalar ry,
+                                    const PaintFlags& flags) {
+  canvas_->drawRoundRect(rect, rx, ry, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawPath(const SkPath& path, const PaintFlags& flags) {
+  canvas_->drawPath(path, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawImage(const SkImage* image,
+                                SkScalar left,
+                                SkScalar top,
+                                const PaintFlags* flags) {
+  canvas_->drawImage(image, left, top, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawImage(const sk_sp<SkImage>& image,
+                                SkScalar left,
+                                SkScalar top,
+                                const PaintFlags* flags) {
+  canvas_->drawImage(image, left, top, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawImageRect(const SkImage* image,
+                                    const SkRect& src,
+                                    const SkRect& dst,
+                                    const PaintFlags* flags,
+                                    SrcRectConstraint constraint) {
+  canvas_->drawImageRect(image, src, dst, ToSkPaint(flags),
+                         static_cast<SkCanvas::SrcRectConstraint>(constraint));
+}
+
+void SkiaPaintCanvas::drawBitmap(const SkBitmap& bitmap,
+                                 SkScalar left,
+                                 SkScalar top,
+                                 const PaintFlags* flags) {
+  canvas_->drawBitmap(bitmap, left, top, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawText(const void* text,
+                               size_t byte_length,
+                               SkScalar x,
+                               SkScalar y,
+                               const PaintFlags& flags) {
+  canvas_->drawText(text, byte_length, x, y, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawPosText(const void* text,
+                                  size_t byte_length,
+                                  const SkPoint pos[],
+                                  const PaintFlags& flags) {
+  canvas_->drawPosText(text, byte_length, pos, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawTextBlob(const SkTextBlob* blob,
+                                   SkScalar x,
+                                   SkScalar y,
+                                   const PaintFlags& flags) {
+  canvas_->drawTextBlob(blob, x, y, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawTextBlob(const sk_sp<SkTextBlob>& blob,
+                                   SkScalar x,
+                                   SkScalar y,
+                                   const PaintFlags& flags) {
+  canvas_->drawTextBlob(blob, x, y, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawPicture(const PaintRecord* record) {
+  canvas_->drawPicture(ToSkPicture(record));
+}
+
+void SkiaPaintCanvas::drawPicture(const PaintRecord* record,
+                                  const SkMatrix* matrix,
+                                  const PaintFlags* flags) {
+  canvas_->drawPicture(ToSkPicture(record), matrix, ToSkPaint(flags));
+}
+
+void SkiaPaintCanvas::drawPicture(sk_sp<PaintRecord> record) {
+  drawPicture(record.get());
+}
+
+bool SkiaPaintCanvas::isClipEmpty() const {
+  return canvas_->isClipEmpty();
+}
+
+bool SkiaPaintCanvas::isClipRect() const {
+  return canvas_->isClipRect();
+}
+
+const SkMatrix& SkiaPaintCanvas::getTotalMatrix() const {
+  return canvas_->getTotalMatrix();
+}
+
+void SkiaPaintCanvas::temporary_internal_describeTopLayer(
+    SkMatrix* matrix,
+    SkIRect* clip_bounds) {
+  return canvas_->temporary_internal_describeTopLayer(matrix, clip_bounds);
+}
+
+bool SkiaPaintCanvas::ToPixmap(SkPixmap* output) {
+  SkImageInfo info;
+  size_t row_bytes;
+  void* pixels = canvas_->accessTopLayerPixels(&info, &row_bytes);
+  if (!pixels) {
+    output->reset();
+    return false;
+  }
+
+  output->reset(info, pixels, row_bytes);
+  return true;
+}
+
+void SkiaPaintCanvas::AnnotateRectWithURL(const SkRect& rect, SkData* data) {
+  SkAnnotateRectWithURL(canvas_, rect, data);
+}
+
+void SkiaPaintCanvas::AnnotateNamedDestination(const SkPoint& point,
+                                               SkData* data) {
+  SkAnnotateNamedDestination(canvas_, point, data);
+}
+
+void SkiaPaintCanvas::AnnotateLinkToDestination(const SkRect& rect,
+                                                SkData* data) {
+  SkAnnotateLinkToDestination(canvas_, rect, data);
+}
+
+}  // namespace cc