blob: 458bf99d4da3fb187cc84e56427e1647d35e2cc6 [file] [log] [blame]
// 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 <memory>
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "base/macros.h"
#include "build/build_config.h"
#include "cc/paint/paint_canvas.h"
#include "cc/paint/paint_flags.h"
#include "cc/paint/paint_record.h"
#include "third_party/skia/include/core/SkCanvas.h"
namespace cc {
class ImageProvider;
class PaintFlags;
// A PaintCanvas derived class that passes PaintCanvas APIs through to
// an SkCanvas. This is more efficient than recording to a PaintRecord
// and then playing back to an SkCanvas.
class CC_PAINT_EXPORT SkiaPaintCanvas final : public PaintCanvas {
struct CC_PAINT_EXPORT ContextFlushes {
bool enable;
int max_draws_before_flush;
explicit SkiaPaintCanvas(SkCanvas* canvas,
ImageProvider* image_provider = nullptr,
ContextFlushes context_flushes = ContextFlushes());
explicit SkiaPaintCanvas(const SkBitmap& bitmap,
ImageProvider* image_provider = nullptr);
explicit SkiaPaintCanvas(const SkBitmap& bitmap, const SkSurfaceProps& props);
// If |target_color_space| is non-nullptr, then this will wrap |canvas| in a
// SkColorSpaceXformCanvas.
SkiaPaintCanvas(SkCanvas* canvas,
sk_sp<SkColorSpace> target_color_space,
ImageProvider* image_provider = nullptr,
ContextFlushes context_flushes = ContextFlushes());
~SkiaPaintCanvas() override;
void reset_image_provider() { image_provider_ = nullptr; }
SkMetaData& getMetaData() override;
SkImageInfo imageInfo() const override;
void flush() override;
int save() override;
int saveLayer(const SkRect* bounds, const PaintFlags* flags) override;
int saveLayerAlpha(const SkRect* bounds,
uint8_t alpha,
bool preserve_lcd_text_requests) override;
void restore() override;
int getSaveCount() const override;
void restoreToCount(int save_count) override;
void translate(SkScalar dx, SkScalar dy) override;
void scale(SkScalar sx, SkScalar sy) override;
void rotate(SkScalar degrees) override;
void concat(const SkMatrix& matrix) override;
void setMatrix(const SkMatrix& matrix) override;
void clipRect(const SkRect& rect, SkClipOp op, bool do_anti_alias) override;
void clipRRect(const SkRRect& rrect,
SkClipOp op,
bool do_anti_alias) override;
void clipPath(const SkPath& path, SkClipOp op, bool do_anti_alias) override;
SkRect getLocalClipBounds() const override;
bool getLocalClipBounds(SkRect* bounds) const override;
SkIRect getDeviceClipBounds() const override;
bool getDeviceClipBounds(SkIRect* bounds) const override;
void drawColor(SkColor color, SkBlendMode mode) override;
void clear(SkColor color) override;
void drawLine(SkScalar x0,
SkScalar y0,
SkScalar x1,
SkScalar y1,
const PaintFlags& flags) override;
void drawRect(const SkRect& rect, const PaintFlags& flags) override;
void drawIRect(const SkIRect& rect, const PaintFlags& flags) override;
void drawOval(const SkRect& oval, const PaintFlags& flags) override;
void drawRRect(const SkRRect& rrect, const PaintFlags& flags) override;
void drawDRRect(const SkRRect& outer,
const SkRRect& inner,
const PaintFlags& flags) override;
void drawRoundRect(const SkRect& rect,
SkScalar rx,
SkScalar ry,
const PaintFlags& flags) override;
void drawPath(const SkPath& path, const PaintFlags& flags) override;
void drawImage(const PaintImage& image,
SkScalar left,
SkScalar top,
const PaintFlags* flags) override;
void drawImageRect(const PaintImage& image,
const SkRect& src,
const SkRect& dst,
const PaintFlags* flags,
SrcRectConstraint constraint) override;
void drawSkottie(scoped_refptr<SkottieWrapper> skottie,
const SkRect& dst,
float t) override;
void drawTextBlob(sk_sp<SkTextBlob> blob,
SkScalar x,
SkScalar y,
const PaintFlags& flags) override;
void drawPicture(sk_sp<const PaintRecord> record) override;
bool isClipEmpty() const override;
bool isClipRect() const override;
const SkMatrix& getTotalMatrix() const override;
void Annotate(AnnotationType type,
const SkRect& rect,
sk_sp<SkData> data) override;
// Don't shadow non-virtual helper functions.
using PaintCanvas::clipRect;
using PaintCanvas::clipRRect;
using PaintCanvas::clipPath;
using PaintCanvas::drawColor;
using PaintCanvas::drawImage;
using PaintCanvas::drawPicture;
// Same as the above drawPicture() except using the given custom data
// raster callback.
void drawPicture(
sk_sp<const PaintRecord> record,
PlaybackParams::CustomDataRasterCallback custom_raster_callback);
void WrapCanvasInColorSpaceXformCanvas(
sk_sp<SkColorSpace> target_color_space);
void FlushAfterDrawIfNeeded();
SkCanvas* canvas_;
std::unique_ptr<SkCanvas> owned_;
std::unique_ptr<SkCanvas> color_space_xform_canvas_;
ImageProvider* image_provider_ = nullptr;
const ContextFlushes context_flushes_;
int num_of_ops_ = 0;
} // namespace cc