55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
|
/*
|
||
|
|
* 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 "SkBitmap.h"
|
||
|
|
#include "SkTDArray.h"
|
||
|
|
|
||
|
|
class SkDrawCommand;
|
||
|
|
|
||
|
|
// 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);
|
||
|
|
|
||
|
|
// 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<SkDrawCommand*> fOps;
|
||
|
|
int fCurOp; // The current op the rendering state is at
|
||
|
|
SkBitmap fBM;
|
||
|
|
};
|