Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(33)

Side by Side Diff: src/core/SkRecordDraw.h

Issue 452983002: SkRecord: Strip out cull-skipping and y-only drawPosTextH skipping. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Remove dead code. Created 6 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « no previous file | src/core/SkRecordDraw.cpp » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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 #ifndef SkRecordDraw_DEFINED 8 #ifndef SkRecordDraw_DEFINED
9 #define SkRecordDraw_DEFINED 9 #define SkRecordDraw_DEFINED
10 10
11 #include "SkRecord.h" 11 #include "SkRecord.h"
12 #include "SkCanvas.h" 12 #include "SkCanvas.h"
13 #include "SkDrawPictureCallback.h" 13 #include "SkDrawPictureCallback.h"
14 14
15 // Draw an SkRecord into an SkCanvas. A convenience wrapper around SkRecords::D raw. 15 // Draw an SkRecord into an SkCanvas. A convenience wrapper around SkRecords::D raw.
16 void SkRecordDraw(const SkRecord&, SkCanvas*, SkDrawPictureCallback* = NULL); 16 void SkRecordDraw(const SkRecord&, SkCanvas*, SkDrawPictureCallback* = NULL);
17 17
18 namespace SkRecords { 18 namespace SkRecords {
19 19
20 // This is an SkRecord visitor that will draw that SkRecord to an SkCanvas. 20 // This is an SkRecord visitor that will draw that SkRecord to an SkCanvas.
21 class Draw : SkNoncopyable { 21 class Draw : SkNoncopyable {
22 public: 22 public:
23 explicit Draw(SkCanvas* canvas) 23 explicit Draw(SkCanvas* canvas)
24 : fInitialCTM(canvas->getTotalMatrix()), fCanvas(canvas), fIndex(0) {} 24 : fInitialCTM(canvas->getTotalMatrix()), fCanvas(canvas), fIndex(0) {}
25 25
26 unsigned index() const { return fIndex; } 26 unsigned index() const { return fIndex; }
27 void next() { ++fIndex; } 27 void next() { ++fIndex; }
28 28
29 template <typename T> void operator()(const T& r) { 29 template <typename T> void operator()(const T& r) {
30 if (!this->skip(r)) { 30 this->draw(r);
31 this->draw(r);
32 }
33 } 31 }
34 32
35 private: 33 private:
36 // No base case, so we'll be compile-time checked that we implement all poss ibilities. 34 // No base case, so we'll be compile-time checked that we implement all poss ibilities.
37 template <typename T> void draw(const T&); 35 template <typename T> void draw(const T&);
38 36
39 // skip() should return true if we can skip this command, false if not.
40 // It may update fIndex directly to skip more than just this one command.
41
42 // Mostly we just blindly call fCanvas and let it handle quick rejects itsel f.
43 template <typename T> bool skip(const T&) { return false; }
44
45 // We add our own quick rejects for commands added by optimizations.
46 bool skip(const PairedPushCull&);
47 bool skip(const BoundedDrawPosTextH&);
48
49 const SkMatrix fInitialCTM; 37 const SkMatrix fInitialCTM;
50 SkCanvas* fCanvas; 38 SkCanvas* fCanvas;
51 unsigned fIndex; 39 unsigned fIndex;
52 }; 40 };
53 41
54 } // namespace SkRecords 42 } // namespace SkRecords
55 43
56 #endif//SkRecordDraw_DEFINED 44 #endif//SkRecordDraw_DEFINED
OLDNEW
« no previous file with comments | « no previous file | src/core/SkRecordDraw.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698