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Side by Side Diff: include/private/SkMiniRecorder.h

Issue 1216033008: Revert "Move headers used by headers in include/ to include/private." (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 5 months ago
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1 /*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #ifndef SkMiniRecorder_DEFINED
9 #define SkMiniRecorder_DEFINED
10
11 #include "SkRecords.h"
12 #include "SkScalar.h"
13 #include "SkTypes.h"
14 class SkCanvas;
15
16 // Records small pictures, but only a limited subset of the canvas API, and may fail.
17 class SkMiniRecorder : SkNoncopyable {
18 public:
19 SkMiniRecorder();
20 ~SkMiniRecorder();
21
22 // Try to record an op. Returns false on failure.
23 bool drawPath(const SkPath&, const SkPaint&);
24 bool drawRect(const SkRect&, const SkPaint&);
25 bool drawTextBlob(const SkTextBlob*, SkScalar x, SkScalar y, const SkPaint&) ;
26
27 // Detach anything we've recorded as a picture, resetting this SkMiniRecorde r.
28 SkPicture* detachAsPicture(const SkRect& cull);
29
30 // Flush anything we've recorded to the canvas, resetting this SkMiniRecorde r.
31 // This is logically the same as but rather more efficient than:
32 // SkAutoTUnref<SkPicture> pic(this->detachAsPicture(SkRect::MakeEmpty()) );
33 // pic->playback(canvas);
34 void flushAndReset(SkCanvas*);
35
36 private:
37 enum class State { kEmpty, kDrawPath, kDrawRect, kDrawTextBlob };
38
39 State fState;
40
41 template <size_t A, size_t B>
42 struct Max { static const size_t val = A > B ? A : B; };
43
44 static const size_t kInlineStorage = Max<sizeof(SkRecords::DrawPath),
45 Max<sizeof(SkRecords::DrawRect),
46 sizeof(SkRecords::DrawTextBlob)>::v al>::val;
47 SkAlignedSStorage<kInlineStorage> fBuffer;
48 };
49
50 #endif//SkMiniRecorder_DEFINED
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