| // 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_DISPLAY_LIST_SKIA_DL_SK_DISPATCHER_H_ |
| #define FLUTTER_DISPLAY_LIST_SKIA_DL_SK_DISPATCHER_H_ |
| |
| #include "flutter/display_list/display_list.h" |
| #include "flutter/display_list/dl_op_receiver.h" |
| #include "flutter/display_list/skia/dl_sk_paint_dispatcher.h" |
| #include "flutter/display_list/skia/dl_sk_types.h" |
| #include "flutter/fml/macros.h" |
| |
| namespace flutter { |
| |
| //------------------------------------------------------------------------------ |
| /// @brief Backend implementation of |DlOpReceiver| for |SkCanvas|. |
| /// |
| /// @see DlOpReceiver |
| class DlSkCanvasDispatcher : public virtual DlOpReceiver, |
| public DlSkPaintDispatchHelper { |
| public: |
| explicit DlSkCanvasDispatcher(SkCanvas* canvas, SkScalar opacity = SK_Scalar1) |
| : DlSkPaintDispatchHelper(opacity), |
| canvas_(canvas), |
| original_transform_(canvas->getLocalToDevice()) {} |
| |
| const SkPaint* safe_paint(bool use_attributes); |
| |
| void save() override; |
| void restore() override; |
| void saveLayer(const SkRect& bounds, |
| const SaveLayerOptions options, |
| const DlImageFilter* backdrop) 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 |
| // 2x3 2D affine subset of a 4x4 transform in row major order |
| void transform2DAffine(SkScalar mxx, SkScalar mxy, SkScalar mxt, |
| SkScalar myx, SkScalar myy, SkScalar myt) override; |
| // full 4x4 transform in row major order |
| 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 clipRRect(const SkRRect& rrect, ClipOp clip_op, bool is_aa) override; |
| void clipPath(const SkPath& path, ClipOp clip_op, bool is_aa) override; |
| |
| void drawPaint() override; |
| void drawColor(DlColor color, DlBlendMode mode) override; |
| void drawLine(const SkPoint& p0, const SkPoint& p1) 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& bounds, |
| SkScalar start, |
| SkScalar sweep, |
| bool useCenter) override; |
| void drawPoints(PointMode mode, uint32_t count, const SkPoint pts[]) override; |
| void drawVertices(const 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* cullRect, |
| 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; |
| |
| static void DrawShadow(SkCanvas* canvas, |
| const SkPath& path, |
| DlColor color, |
| float elevation, |
| bool transparentOccluder, |
| SkScalar dpr); |
| |
| private: |
| SkCanvas* canvas_; |
| const SkM44 original_transform_; |
| SkPaint temp_paint_; |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_DISPLAY_LIST_SKIA_DL_SK_DISPATCHER_H_ |