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58 lines
1.6 KiB
58 lines
1.6 KiB
4 months ago
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/*
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* Copyright 2017 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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#include "include/core/SkBitmap.h"
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#include "include/private/SkTDArray.h"
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class DrawCommand;
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// This class encapsulates the both the in-memory representation of the draw ops
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// and the state of Skia/Ganesh's rendering. It should never have any Qt intrusions.
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class Model {
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public:
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enum class ErrorCode {
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kOK,
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kCouldntOpenFile,
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kCouldntDecodeSKP
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};
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Model();
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~Model();
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static const char* ErrorString(ErrorCode);
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// Replace the list of draw ops by reading the provided skp filename and
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// reset the Skia draw state. It is up to the view portion to update itself
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// after this call (i.e., rebuild the opsTask view).
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ErrorCode load(const char* filename);
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// Update the rendering state to the provided op
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void setCurOp(int curOp);
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int curOp() const { return fCurOp; }
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int numOps() const { return fOps.count(); }
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const char* getOpName(int index) const;
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bool isHierarchyPush(int index) const;
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bool isHierarchyPop(int index) const;
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// Get the bits visually representing the current rendering state
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void* getPixels() const { return fBM.getPixels(); }
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int width() const { return fBM.width(); }
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int height() const { return fBM.height(); }
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protected:
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// draw the ops up to (and including) the index-th op
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void drawTo(int index);
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void resetOpsTask();
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private:
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SkTDArray<DrawCommand*> fOps;
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int fCurOp; // The current op the rendering state is at
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SkBitmap fBM;
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};
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