a8d7f0b13c
This paves the way for removing the 'fTile' parameter from SkPictureShader (although that should be a different CL). If we like this we could also move to providing an entire cull SkRect. R=reed@google.com, mtklein@google.com, fmalita@google.com, fmalita@chromium.org Author: robertphillips@google.com Review URL: https://codereview.chromium.org/513983002
112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
/*
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* Copyright 2014 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 SkPictureRecorder_DEFINED
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#define SkPictureRecorder_DEFINED
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#include "SkBBHFactory.h"
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#include "SkPicture.h"
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#include "SkRefCnt.h"
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#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
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namespace android {
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class Picture;
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};
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#endif
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class SkCanvas;
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class SkPictureRecord;
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class SkRecord;
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class SkRecorder;
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class SK_API SkPictureRecorder : SkNoncopyable {
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public:
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SkPictureRecorder();
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~SkPictureRecorder();
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#ifdef SK_LEGACY_PICTURE_SIZE_API
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SkCanvas* beginRecording(int width, int height,
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SkBBHFactory* bbhFactory = NULL,
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uint32_t recordFlags = 0) {
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return this->beginRecording(SkIntToScalar(width), SkIntToScalar(height),
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bbhFactory, recordFlags);
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}
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#endif
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/** Returns the canvas that records the drawing commands.
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@param width the width of the cull rect used when recording this picture.
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@param height the height of the cull rect used when recording this picture.
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@param bbhFactory factory to create desired acceleration structure
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@param recordFlags optional flags that control recording.
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@return the canvas.
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*/
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SkCanvas* beginRecording(SkScalar width, SkScalar height,
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SkBBHFactory* bbhFactory = NULL,
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uint32_t recordFlags = 0);
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// As usual, we have a deprecated old version and a maybe almost working
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// new version. We currently point beginRecording() to
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// DEPRECATED_beginRecording() unless SK_PICTURE_USE_SK_RECORD is defined,
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// then we use EXPERIMENTAL_beginRecording().
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// Old slower backend.
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SkCanvas* DEPRECATED_beginRecording(SkScalar width, SkScalar height,
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SkBBHFactory* bbhFactory = NULL,
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uint32_t recordFlags = 0);
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// New faster backend.
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SkCanvas* EXPERIMENTAL_beginRecording(SkScalar width, SkScalar height,
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SkBBHFactory* bbhFactory = NULL);
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/** Returns the recording canvas if one is active, or NULL if recording is
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not active. This does not alter the refcnt on the canvas (if present).
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*/
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SkCanvas* getRecordingCanvas();
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/** Signal that the caller is done recording. This invalidates the canvas
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returned by beginRecording/getRecordingCanvas, and returns the
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created SkPicture. Note that the returned picture has its creation
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ref which the caller must take ownership of.
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*/
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SkPicture* endRecording();
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/** Enable/disable all the picture recording optimizations (i.e.,
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those in SkPictureRecord). It is mainly intended for testing the
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existing optimizations (i.e., to actually have the pattern
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appear in an .skp we have to disable the optimization). Call right
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after 'beginRecording'.
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*/
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void internalOnly_EnableOpts(bool enableOpts);
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private:
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void reset();
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/** Replay the current (partially recorded) operation stream into
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canvas. This call doesn't close the current recording.
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*/
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#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
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friend class android::Picture;
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#endif
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friend class SkPictureRecorderReplayTester; // for unit testing
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void partialReplay(SkCanvas* canvas) const;
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SkScalar fCullWidth;
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SkScalar fCullHeight;
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SkAutoTUnref<SkBBoxHierarchy> fBBH;
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// One of these two canvases will be non-NULL.
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SkAutoTUnref<SkPictureRecord> fPictureRecord; // beginRecording()
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SkAutoTUnref<SkRecorder> fRecorder; // EXPERIMENTAL_beginRecording()
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// Used by EXPERIMENTAL_beginRecording().
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SkAutoTDelete<SkRecord> fRecord;
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typedef SkNoncopyable INHERITED;
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};
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#endif
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