diff options
author | Mike Klein <mtklein@google.com> | 2015-07-28 16:01:24 -0400 |
---|---|---|
committer | Mike Klein <mtklein@google.com> | 2015-07-28 16:01:24 -0400 |
commit | 3a4b13498885dc42970b9795c0cc3d71fcb8b810 (patch) | |
tree | 0e8a9cc908b55aaf4684d9ac47a50ea374da0e8a /src/core/SkMiniRecorder.h | |
parent | c3fb74693e25cf6dffc8add8669c54c4b7ace3a2 (diff) |
Revert "Move the rest of src headers used by include to include/private."
This reverts commit d12e6ffa5cc1c1af47bf73c7c127d8d7f7443058.
Our Chrome roll canaries are failing with the dreaded
Ninja-says-there's-more-work-to-do message. I will break this up
smaller (if possible) and try again tomorrow.
BUG=skia:4126
Review URL: https://codereview.chromium.org/1258293004 .
Diffstat (limited to 'src/core/SkMiniRecorder.h')
-rw-r--r-- | src/core/SkMiniRecorder.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/core/SkMiniRecorder.h b/src/core/SkMiniRecorder.h new file mode 100644 index 0000000000..5b68fc22f8 --- /dev/null +++ b/src/core/SkMiniRecorder.h @@ -0,0 +1,60 @@ +/* + * Copyright 2015 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#ifndef SkMiniRecorder_DEFINED +#define SkMiniRecorder_DEFINED + +#include "SkRecords.h" +#include "SkScalar.h" +#include "SkTypes.h" +class SkCanvas; + +// Records small pictures, but only a limited subset of the canvas API, and may fail. +class SkMiniRecorder : SkNoncopyable { +public: + SkMiniRecorder(); + ~SkMiniRecorder(); + + // Try to record an op. Returns false on failure. + bool drawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, + const SkPaint*, SkCanvas::SrcRectConstraint); + bool drawPath(const SkPath&, const SkPaint&); + bool drawRect(const SkRect&, const SkPaint&); + bool drawTextBlob(const SkTextBlob*, SkScalar x, SkScalar y, const SkPaint&); + + // Detach anything we've recorded as a picture, resetting this SkMiniRecorder. + SkPicture* detachAsPicture(const SkRect& cull); + + // Flush anything we've recorded to the canvas, resetting this SkMiniRecorder. + // This is logically the same as but rather more efficient than: + // SkAutoTUnref<SkPicture> pic(this->detachAsPicture(SkRect::MakeEmpty())); + // pic->playback(canvas); + void flushAndReset(SkCanvas*); + +private: + enum class State { + kEmpty, + kDrawBitmapRectFixedSize, + kDrawPath, + kDrawRect, + kDrawTextBlob, + }; + + State fState; + + template <size_t A, size_t B> + struct Max { static const size_t val = A > B ? A : B; }; + + static const size_t kInlineStorage = + Max<sizeof(SkRecords::DrawBitmapRectFixedSize), + Max<sizeof(SkRecords::DrawPath), + Max<sizeof(SkRecords::DrawRect), + sizeof(SkRecords::DrawTextBlob)>::val>::val>::val; + SkAlignedSStorage<kInlineStorage> fBuffer; +}; + +#endif//SkMiniRecorder_DEFINED |