| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "SkRecordDraw.h" | 8 #include "SkRecordDraw.h" |
| 9 | 9 |
| 10 namespace { | 10 void SkRecordDraw(const SkRecord& record, SkCanvas* canvas) { |
| 11 for (SkRecords::Draw draw(canvas); draw.index() < record.count(); draw.next(
)) { |
| 12 record.visit<void>(draw.index(), draw); |
| 13 } |
| 14 } |
| 11 | 15 |
| 12 // This is an SkRecord visitor that will draw that SkRecord to an SkCanvas. | 16 namespace SkRecords { |
| 13 class Draw : SkNoncopyable { | |
| 14 public: | |
| 15 explicit Draw(SkCanvas* canvas) : fCanvas(canvas), fIndex(0) {} | |
| 16 | 17 |
| 17 unsigned index() const { return fIndex; } | 18 bool Draw::skip(const PairedPushCull& r) { |
| 18 void next() { ++fIndex; } | 19 if (fCanvas->quickReject(r.base->rect)) { |
| 20 fIndex += r.skip; |
| 21 return true; |
| 22 } |
| 23 return false; |
| 24 } |
| 19 | 25 |
| 20 template <typename T> void operator()(const T& r) { | 26 bool Draw::skip(const BoundedDrawPosTextH& r) { |
| 21 if (!this->skip(r)) { | 27 return fCanvas->quickRejectY(r.minY, r.maxY); |
| 22 this->draw(r); | 28 } |
| 23 } | |
| 24 } | |
| 25 | |
| 26 private: | |
| 27 // No base case, so we'll be compile-time checked that we implemented all po
ssibilities below. | |
| 28 template <typename T> void draw(const T&); | |
| 29 | |
| 30 // skip() should return true if we can skip this command, false if not. | |
| 31 // It may update fIndex directly to skip more than just this one command. | |
| 32 | |
| 33 // Mostly we just blindly call fCanvas and let it handle quick rejects itsel
f. | |
| 34 template <typename T> bool skip(const T&) { return false; } | |
| 35 | |
| 36 // We add our own quick rejects for commands added by optimizations. | |
| 37 bool skip(const SkRecords::PairedPushCull& r) { | |
| 38 if (fCanvas->quickReject(r.base->rect)) { | |
| 39 fIndex += r.skip; | |
| 40 return true; | |
| 41 } | |
| 42 return false; | |
| 43 } | |
| 44 bool skip(const SkRecords::BoundedDrawPosTextH& r) { | |
| 45 return fCanvas->quickRejectY(r.minY, r.maxY); | |
| 46 } | |
| 47 | |
| 48 SkCanvas* fCanvas; | |
| 49 unsigned fIndex; | |
| 50 }; | |
| 51 | 29 |
| 52 // NoOps draw nothing. | 30 // NoOps draw nothing. |
| 53 template <> void Draw::draw(const SkRecords::NoOp&) {} | 31 template <> void Draw::draw(const NoOp&) {} |
| 54 | 32 |
| 55 #define DRAW(T, call) template <> void Draw::draw(const SkRecords::T& r) { fCanv
as->call; } | 33 #define DRAW(T, call) template <> void Draw::draw(const T& r) { fCanvas->call; } |
| 56 DRAW(Restore, restore()); | 34 DRAW(Restore, restore()); |
| 57 DRAW(Save, save(r.flags)); | 35 DRAW(Save, save(r.flags)); |
| 58 DRAW(SaveLayer, saveLayer(r.bounds, r.paint, r.flags)); | 36 DRAW(SaveLayer, saveLayer(r.bounds, r.paint, r.flags)); |
| 59 DRAW(PopCull, popCull()); | 37 DRAW(PopCull, popCull()); |
| 60 DRAW(PushCull, pushCull(r.rect)); | 38 DRAW(PushCull, pushCull(r.rect)); |
| 61 DRAW(Clear, clear(r.color)); | 39 DRAW(Clear, clear(r.color)); |
| 62 DRAW(Concat, concat(r.matrix)); | 40 DRAW(Concat, concat(r.matrix)); |
| 63 DRAW(SetMatrix, setMatrix(r.matrix)); | 41 DRAW(SetMatrix, setMatrix(r.matrix)); |
| 64 | 42 |
| 65 DRAW(ClipPath, clipPath(r.path, r.op, r.doAA)); | 43 DRAW(ClipPath, clipPath(r.path, r.op, r.doAA)); |
| (...skipping 14 matching lines...) Expand all Loading... |
| 80 DRAW(DrawPosTextH, drawPosTextH(r.text, r.byteLength, r.xpos, r.y, r.paint)); | 58 DRAW(DrawPosTextH, drawPosTextH(r.text, r.byteLength, r.xpos, r.y, r.paint)); |
| 81 DRAW(DrawRRect, drawRRect(r.rrect, r.paint)); | 59 DRAW(DrawRRect, drawRRect(r.rrect, r.paint)); |
| 82 DRAW(DrawRect, drawRect(r.rect, r.paint)); | 60 DRAW(DrawRect, drawRect(r.rect, r.paint)); |
| 83 DRAW(DrawSprite, drawSprite(r.bitmap, r.left, r.top, r.paint)); | 61 DRAW(DrawSprite, drawSprite(r.bitmap, r.left, r.top, r.paint)); |
| 84 DRAW(DrawText, drawText(r.text, r.byteLength, r.x, r.y, r.paint)); | 62 DRAW(DrawText, drawText(r.text, r.byteLength, r.x, r.y, r.paint)); |
| 85 DRAW(DrawTextOnPath, drawTextOnPath(r.text, r.byteLength, r.path, r.matrix, r.pa
int)); | 63 DRAW(DrawTextOnPath, drawTextOnPath(r.text, r.byteLength, r.path, r.matrix, r.pa
int)); |
| 86 DRAW(DrawVertices, drawVertices(r.vmode, r.vertexCount, r.vertices, r.texs, r.co
lors, | 64 DRAW(DrawVertices, drawVertices(r.vmode, r.vertexCount, r.vertices, r.texs, r.co
lors, |
| 87 r.xmode.get(), r.indices, r.indexCount, r.paint)
); | 65 r.xmode.get(), r.indices, r.indexCount, r.paint)
); |
| 88 #undef DRAW | 66 #undef DRAW |
| 89 | 67 |
| 90 template <> void Draw::draw(const SkRecords::PairedPushCull& r) { this->draw(*r.
base); } | 68 template <> void Draw::draw(const PairedPushCull& r) { this->draw(*r.base); } |
| 91 template <> void Draw::draw(const SkRecords::BoundedDrawPosTextH& r) { this->dra
w(*r.base); } | 69 template <> void Draw::draw(const BoundedDrawPosTextH& r) { this->draw(*r.base);
} |
| 92 | 70 |
| 93 } // namespace | 71 } // namespace SkRecords |
| 94 | |
| 95 void SkRecordDraw(const SkRecord& record, SkCanvas* canvas) { | |
| 96 for (Draw draw(canvas); draw.index() < record.count(); draw.next()) { | |
| 97 record.visit<void>(draw.index(), draw); | |
| 98 } | |
| 99 } | |
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