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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPDFResourceDict_DEFINED
#define SkPDFResourceDict_DEFINED
#include "SkRefCnt.h"
#include "SkTDArray.h"
#include "SkString.h"
class SkPDFDict;
class SkPDFObject;
/** \class SkPDFResourceDict
A resource dictionary, which maintains the relevant sub-dicts and
allows generation of a list of referenced SkPDFObjects inserted with
insertResourceAsRef.
*/
class SkPDFResourceDict {
public:
enum SkPDFResourceType {
kExtGState_ResourceType,
kPattern_ResourceType,
kXObject_ResourceType,
kFont_ResourceType,
// These additional types are defined by the spec, but not
// currently used by Skia: ColorSpace, Shading, Properties
kResourceTypeCount
};
static char GetResourceTypePrefix(SkPDFResourceDict::SkPDFResourceType type);
/** Create a PDF resource dictionary.
* The full set of ProcSet entries is automatically created for backwards
* compatibility, as recommended by the PDF spec.
*
* Any arguments can be nullptr.
*/
static sk_sp<SkPDFDict> Make(
const SkTDArray<SkPDFObject*>* gStateResources,
const SkTDArray<SkPDFObject*>* patternResources,
const SkTDArray<SkPDFObject*>* xObjectResources,
const SkTDArray<SkPDFObject*>* fontResources);
/**
* Returns the name for the resource that will be generated by the resource
* dict.
*
* @param type The type of resource being entered, like
* kPattern_ResourceType or kExtGState_ResourceType.
* @param key The resource key, should be unique within its type.
*/
static SkString getResourceName(SkPDFResourceType type, int key);
};
#endif
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