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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef DumpLayer_h
#define DumpLayer_h
#include "FixedPositioning.h"
#include "IntPoint.h"
#include "LayerAndroid.h"
#include "SkPoint.h"
#include "SkRect.h"
#include "SkSize.h"
#include "TransformationMatrix.h"
// Debug tools : dump the layers tree in a file.
// The format is simple:
// properties have the form: key = value;
// all statements are finished with a semi-colon.
// value can be:
// - int
// - float
// - array of elements
// - composed type
// a composed type enclose properties in { and }
// an array enclose composed types in { }, separated with a comma.
// exemple:
// {
// x = 3;
// y = 4;
// value = {
// x = 3;
// y = 4;
// };
// anarray = [
// { x = 3; },
// { y = 4; }
// ];
// }
namespace WebCore {
class LayerDumper {
public:
LayerDumper(int initialIndentLevel = 0)
: m_indentLevel(initialIndentLevel)
{}
virtual ~LayerDumper() {}
virtual void beginLayer(const char* className, const LayerAndroid* layerPtr) {}
virtual void endLayer() {}
virtual void beginChildren(int childCount) {
m_indentLevel++;
}
virtual void endChildren() {
m_indentLevel--;
}
void writeIntVal(const char* label, int value);
void writeHexVal(const char* label, int value);
void writeFloatVal(const char* label, float value);
void writePoint(const char* label, SkPoint value);
void writeIntPoint(const char* label, IntPoint value);
void writeSize(const char* label, SkSize value);
void writeRect(const char* label, SkRect value);
void writeMatrix(const char* label, const TransformationMatrix& value);
void writeLength(const char* label, SkLength value);
protected:
virtual void writeEntry(const char* label, const char* value) = 0;
int m_indentLevel;
private:
static const int BUF_SIZE = 4096;
char m_valueBuffer[BUF_SIZE];
};
class FileLayerDumper : public LayerDumper {
public:
FileLayerDumper(FILE* file)
: m_file(file)
{}
virtual void beginLayer(const char* className, const LayerAndroid* layerPtr);
virtual void endLayer();
protected:
virtual void writeEntry(const char* label, const char* value);
private:
void writeLine(const char* str);
FILE* m_file;
};
}
#endif // DumpLayer_h
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