skia2/tools/mdbviz/Model.h
Mike Klein 8f4e224541 de-Sk tools/debugger
Change-Id: I489a54860139d1820471aa0330b29a8ae9eca31e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202316
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2019-03-20 18:27:01 +00:00

58 lines
1.6 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 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;
};