cc/paint/skia_paint_canvas.cc

// 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/display_item_list.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(SkiaPaintCanvas&& other) = default;
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::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::concat(const SkMatrix& matrix) {
  canvas_->concat(matrix);
}

void SkiaPaintCanvas::setMatrix(const SkMatrix& matrix) {
  canvas_->setMatrix(matrix);
}

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(sk_sp<const SkImage> image,
                                SkScalar left,
                                SkScalar top,
                                const PaintFlags* flags) {
  canvas_->drawImage(image.get(), left, top, ToSkPaint(flags));
}

void SkiaPaintCanvas::drawImageRect(sk_sp<const SkImage> image,
                                    const SkRect& src,
                                    const SkRect& dst,
                                    const PaintFlags* flags,
                                    SrcRectConstraint constraint) {
  canvas_->drawImageRect(image.get(), 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(sk_sp<SkTextBlob> blob,
                                   SkScalar x,
                                   SkScalar y,
                                   const PaintFlags& flags) {
  canvas_->drawTextBlob(blob.get(), x, y, ToSkPaint(flags));
}

void SkiaPaintCanvas::drawDisplayItemList(
    scoped_refptr<DisplayItemList> display_item_list) {
  display_item_list->Raster(canvas_, nullptr);
}

void SkiaPaintCanvas::drawPicture(sk_sp<const PaintRecord> record) {
  record->playback(canvas_);
}

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);
}

void SkiaPaintCanvas::PlaybackPaintRecord(sk_sp<const PaintRecord> record) {
  record->playback(canvas_);
}

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