45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkMiniRecorder_DEFINED
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#define SkMiniRecorder_DEFINED
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#include "SkRecords.h"
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#include "SkScalar.h"
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#include "SkTypes.h"
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class SkCanvas;
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// Records small pictures, but only a limited subset of the canvas API, and may fail.
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class SkMiniRecorder : SkNoncopyable {
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public:
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SkMiniRecorder();
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~SkMiniRecorder();
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// Try to record an op. Returns false on failure.
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bool drawPath(const SkPath&, const SkPaint&);
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bool drawRect(const SkRect&, const SkPaint&);
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bool drawTextBlob(const SkTextBlob*, SkScalar x, SkScalar y, const SkPaint&);
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// Detach anything we've recorded as a picture, resetting this SkMiniRecorder.
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SkPicture* detachAsPicture(const SkRect& cull);
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private:
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enum class State { kEmpty, kDrawPath, kDrawRect, kDrawTextBlob };
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State fState;
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template <size_t A, size_t B>
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struct Max { static const size_t val = A > B ? A : B; };
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static const size_t kInlineStorage = Max<sizeof(SkRecords::DrawPath),
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Max<sizeof(SkRecords::DrawRect),
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sizeof(SkRecords::DrawTextBlob)>::val>::val;
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SkAlignedSStorage<kInlineStorage> fBuffer;
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};
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#endif//SkMiniRecorder_DEFINED
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