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display_list_testing.h
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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef FLUTTER_TESTING_DISPLAY_LIST_TESTING_H_
#define FLUTTER_TESTING_DISPLAY_LIST_TESTING_H_
#include <ostream>
#include "flutter/display_list/display_list.h"
#include "flutter/display_list/dl_op_receiver.h"
namespace flutter {
namespace testing {
[[nodiscard]] bool DisplayListsEQ_Verbose(const DisplayList* a,
const DisplayList* b);
[[nodiscard]] bool inline DisplayListsEQ_Verbose(const DisplayList& a,
const DisplayList& b) {
return DisplayListsEQ_Verbose(&a, &b);
}
[[nodiscard]] bool inline DisplayListsEQ_Verbose(
const sk_sp<const DisplayList>& a,
const sk_sp<const DisplayList>& b) {
return DisplayListsEQ_Verbose(a.get(), b.get());
}
[[nodiscard]] bool DisplayListsNE_Verbose(const DisplayList* a,
const DisplayList* b);
[[nodiscard]] bool inline DisplayListsNE_Verbose(const DisplayList& a,
const DisplayList& b) {
return DisplayListsNE_Verbose(&a, &b);
}
[[nodiscard]] bool inline DisplayListsNE_Verbose(
const sk_sp<const DisplayList>& a,
const sk_sp<const DisplayList>& b) {
return DisplayListsNE_Verbose(a.get(), b.get());
}
} // namespace testing
} // namespace flutter
namespace std {
extern std::ostream& operator<<(std::ostream& os,
const flutter::DisplayList& display_list);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlPaint& paint);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlBlendMode& mode);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlCanvas::ClipOp& op);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlCanvas::PointMode& op);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlCanvas::SrcRectConstraint& op);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlStrokeCap& cap);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlStrokeJoin& join);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlDrawStyle& style);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlBlurStyle& style);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlFilterMode& mode);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlColor& color);
extern std::ostream& operator<<(std::ostream& os,
flutter::DlImageSampling sampling);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlVertexMode& mode);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlTileMode& mode);
extern std::ostream& operator<<(std::ostream& os,
const flutter::DlImage* image);
extern std::ostream& operator<<(std::ostream& os,
const flutter::SaveLayerOptions& image);
} // namespace std
namespace flutter {
namespace testing {
class DisplayListStreamDispatcher final : public DlOpReceiver {
public:
explicit DisplayListStreamDispatcher(std::ostream& os,
int cur_indent = 2,
int indent = 2)
: os_(os), cur_indent_(cur_indent), indent_(indent) {}
void setAntiAlias(bool aa) override;
void setDrawStyle(DlDrawStyle style) override;
void setColor(DlColor color) override;
void setStrokeWidth(SkScalar width) override;
void setStrokeMiter(SkScalar limit) override;
void setStrokeCap(DlStrokeCap cap) override;
void setStrokeJoin(DlStrokeJoin join) override;
void setColorSource(const DlColorSource* source) override;
void setColorFilter(const DlColorFilter* filter) override;
void setInvertColors(bool invert) override;
void setBlendMode(DlBlendMode mode) override;
void setMaskFilter(const DlMaskFilter* filter) override;
void setImageFilter(const DlImageFilter* filter) override;
void save() override;
void saveLayer(const SkRect& bounds,
const SaveLayerOptions options,
const DlImageFilter* backdrop) override;
void restore() override;
void translate(SkScalar tx, SkScalar ty) override;
void scale(SkScalar sx, SkScalar sy) override;
void rotate(SkScalar degrees) override;
void skew(SkScalar sx, SkScalar sy) override;
// clang-format off
void transform2DAffine(SkScalar mxx, SkScalar mxy, SkScalar mxt,
SkScalar myx, SkScalar myy, SkScalar myt) override;
void transformFullPerspective(
SkScalar mxx, SkScalar mxy, SkScalar mxz, SkScalar mxt,
SkScalar myx, SkScalar myy, SkScalar myz, SkScalar myt,
SkScalar mzx, SkScalar mzy, SkScalar mzz, SkScalar mzt,
SkScalar mwx, SkScalar mwy, SkScalar mwz, SkScalar mwt) override;
// clang-format on
void transformReset() override;
void clipRect(const SkRect& rect, ClipOp clip_op, bool is_aa) override;
void clipOval(const SkRect& bounds, ClipOp clip_op, bool is_aa) override;
void clipRRect(const SkRRect& rrect, ClipOp clip_op, bool is_aa) override;
void clipPath(const SkPath& path, ClipOp clip_op, bool is_aa) override;
void drawColor(DlColor color, DlBlendMode mode) override;
void drawPaint() override;
void drawLine(const SkPoint& p0, const SkPoint& p1) override;
void drawDashedLine(const DlPoint& p0,
const DlPoint& p1,
DlScalar on_length,
DlScalar off_length) override;
void drawRect(const SkRect& rect) override;
void drawOval(const SkRect& bounds) override;
void drawCircle(const SkPoint& center, SkScalar radius) override;
void drawRRect(const SkRRect& rrect) override;
void drawDRRect(const SkRRect& outer, const SkRRect& inner) override;
void drawPath(const SkPath& path) override;
void drawArc(const SkRect& oval_bounds,
SkScalar start_degrees,
SkScalar sweep_degrees,
bool use_center) override;
void drawPoints(PointMode mode,
uint32_t count,
const SkPoint points[]) override;
void drawVertices(const std::shared_ptr<DlVertices>& vertices,
DlBlendMode mode) override;
void drawImage(const sk_sp<DlImage> image,
const SkPoint point,
DlImageSampling sampling,
bool render_with_attributes) override;
void drawImageRect(const sk_sp<DlImage> image,
const SkRect& src,
const SkRect& dst,
DlImageSampling sampling,
bool render_with_attributes,
SrcRectConstraint constraint) override;
void drawImageNine(const sk_sp<DlImage> image,
const SkIRect& center,
const SkRect& dst,
DlFilterMode filter,
bool render_with_attributes) override;
void drawAtlas(const sk_sp<DlImage> atlas,
const SkRSXform xform[],
const SkRect tex[],
const DlColor colors[],
int count,
DlBlendMode mode,
DlImageSampling sampling,
const SkRect* cull_rect,
bool render_with_attributes) override;
void drawDisplayList(const sk_sp<DisplayList> display_list,
SkScalar opacity) override;
void drawTextBlob(const sk_sp<SkTextBlob> blob,
SkScalar x,
SkScalar y) override;
void drawTextFrame(const std::shared_ptr<impeller::TextFrame>& text_frame,
SkScalar x,
SkScalar y) override;
void drawShadow(const SkPath& path,
const DlColor color,
const SkScalar elevation,
bool transparent_occluder,
SkScalar dpr) override;
private:
std::ostream& os_;
int cur_indent_;
int indent_;
void indent() { indent(indent_); }
void outdent() { outdent(indent_); }
void indent(int spaces) { cur_indent_ += spaces; }
void outdent(int spaces) { cur_indent_ -= spaces; }
template <class T>
std::ostream& out_array(std::string name, int count, const T array[]);
std::ostream& startl();
void out(const DlColorFilter& filter);
void out(const DlColorFilter* filter);
void out(const DlImageFilter& filter);
void out(const DlImageFilter* filter);
};
} // namespace testing
} // namespace flutter
#endif // FLUTTER_TESTING_DISPLAY_LIST_TESTING_H_