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