| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 SkMiniRecorder_DEFINED | 8 #ifndef SkMiniRecorder_DEFINED |
| 9 #define SkMiniRecorder_DEFINED | 9 #define SkMiniRecorder_DEFINED |
| 10 | 10 |
| 11 #include "SkRecords.h" | 11 #include "SkRecords.h" |
| 12 #include "SkScalar.h" | 12 #include "SkScalar.h" |
| 13 #include "SkTypes.h" | 13 #include "SkTypes.h" |
| 14 class SkCanvas; | 14 class SkCanvas; |
| 15 | 15 |
| 16 // Records small pictures, but only a limited subset of the canvas API, and may
fail. | 16 // Records small pictures, but only a limited subset of the canvas API, and may
fail. |
| 17 class SkMiniRecorder : SkNoncopyable { | 17 class SkMiniRecorder : SkNoncopyable { |
| 18 public: | 18 public: |
| 19 SkMiniRecorder(); | 19 SkMiniRecorder(); |
| 20 ~SkMiniRecorder(); | 20 ~SkMiniRecorder(); |
| 21 | 21 |
| 22 // Try to record an op. Returns false on failure. | 22 // Try to record an op. Returns false on failure. |
| 23 bool drawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, | |
| 24 const SkPaint*, SkCanvas::SrcRectConstraint); | |
| 25 bool drawPath(const SkPath&, const SkPaint&); | 23 bool drawPath(const SkPath&, const SkPaint&); |
| 26 bool drawRect(const SkRect&, const SkPaint&); | 24 bool drawRect(const SkRect&, const SkPaint&); |
| 27 bool drawTextBlob(const SkTextBlob*, SkScalar x, SkScalar y, const SkPaint&)
; | 25 bool drawTextBlob(const SkTextBlob*, SkScalar x, SkScalar y, const SkPaint&)
; |
| 28 | 26 |
| 29 // Detach anything we've recorded as a picture, resetting this SkMiniRecorde
r. | 27 // Detach anything we've recorded as a picture, resetting this SkMiniRecorde
r. |
| 30 sk_sp<SkPicture> detachAsPicture(const SkRect& cull); | 28 sk_sp<SkPicture> detachAsPicture(const SkRect& cull); |
| 31 | 29 |
| 32 // Flush anything we've recorded to the canvas, resetting this SkMiniRecorde
r. | 30 // Flush anything we've recorded to the canvas, resetting this SkMiniRecorde
r. |
| 33 // This is logically the same as but rather more efficient than: | 31 // This is logically the same as but rather more efficient than: |
| 34 // SkAutoTUnref<SkPicture> pic(this->detachAsPicture(SkRect::MakeEmpty())
); | 32 // SkAutoTUnref<SkPicture> pic(this->detachAsPicture(SkRect::MakeEmpty())
); |
| 35 // pic->playback(canvas); | 33 // pic->playback(canvas); |
| 36 void flushAndReset(SkCanvas*); | 34 void flushAndReset(SkCanvas*); |
| 37 | 35 |
| 38 private: | 36 private: |
| 39 enum class State { | 37 enum class State { |
| 40 kEmpty, | 38 kEmpty, |
| 41 kDrawBitmapRectFixedSize, | |
| 42 kDrawPath, | 39 kDrawPath, |
| 43 kDrawRect, | 40 kDrawRect, |
| 44 kDrawTextBlob, | 41 kDrawTextBlob, |
| 45 }; | 42 }; |
| 46 | 43 |
| 47 State fState; | 44 State fState; |
| 48 | 45 |
| 49 template <size_t A, size_t B> | 46 template <size_t A, size_t B> |
| 50 struct Max { static const size_t val = A > B ? A : B; }; | 47 struct Max { static const size_t val = A > B ? A : B; }; |
| 51 | 48 |
| 52 static const size_t kInlineStorage = | 49 static const size_t kInlineStorage = |
| 53 Max<sizeof(SkRecords::DrawBitmapRectFixedSize), | |
| 54 Max<sizeof(SkRecords::DrawPath), | 50 Max<sizeof(SkRecords::DrawPath), |
| 55 Max<sizeof(SkRecords::DrawRect), | 51 Max<sizeof(SkRecords::DrawRect), |
| 56 sizeof(SkRecords::DrawTextBlob)>::val>::val>::val; | 52 sizeof(SkRecords::DrawTextBlob)>::val>::val; |
| 57 SkAlignedSStorage<kInlineStorage> fBuffer; | 53 SkAlignedSStorage<kInlineStorage> fBuffer; |
| 58 }; | 54 }; |
| 59 | 55 |
| 60 #endif//SkMiniRecorder_DEFINED | 56 #endif//SkMiniRecorder_DEFINED |
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