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/*
* Copyright (C) 2010 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.
*/
#include "SkPDFFormXObject.h"
#include "SkMatrix.h"
#include "SkPDFCatalog.h"
#include "SkPDFDevice.h"
#include "SkStream.h"
#include "SkTypes.h"
SkPDFFormXObject::SkPDFFormXObject(SkPDFDevice* device) {
// We don't want to keep around device because we'd have two copies
// of content, so reference or copy everything we need (content and
// resources).
device->getResources(&fResources);
SkRefPtr<SkStream> content = device->content();
content->unref(); // SkRefPtr and content() both took a reference.
fStream = new SkPDFStream(content.get());
fStream->unref(); // SkRefPtr and new both took a reference.
insert("Type", new SkPDFName("XObject"))->unref();
insert("Subtype", new SkPDFName("Form"))->unref();
insert("BBox", device->getMediaBox().get());
insert("Resources", device->getResourceDict().get());
// Right now SkPDFFormXObject is only used for saveLayer, which implies
// isolated blending. Do this conditionally if that changes.
SkRefPtr<SkPDFDict> group = new SkPDFDict("Group");
group->unref(); // SkRefPtr and new both took a reference.
group->insert("S", new SkPDFName("Transparency"))->unref();
group->insert("I", new SkPDFBool(true))->unref(); // Isolated.
insert("Group", group.get());
}
SkPDFFormXObject::~SkPDFFormXObject() {
fResources.unrefAll();
}
void SkPDFFormXObject::emitObject(SkWStream* stream, SkPDFCatalog* catalog,
bool indirect) {
if (indirect)
return emitIndirectObject(stream, catalog);
fStream->emitObject(stream, catalog, indirect);
}
size_t SkPDFFormXObject::getOutputSize(SkPDFCatalog* catalog, bool indirect) {
if (indirect)
return getIndirectOutputSize(catalog);
return fStream->getOutputSize(catalog, indirect);
}
void SkPDFFormXObject::getResources(SkTDArray<SkPDFObject*>* resourceList) {
resourceList->setReserve(resourceList->count() + fResources.count());
for (int i = 0; i < fResources.count(); i++) {
resourceList->push(fResources[i]);
fResources[i]->ref();
}
}
SkPDFObject* SkPDFFormXObject::insert(SkPDFName* key, SkPDFObject* value) {
return fStream->insert(key, value);
}
SkPDFObject* SkPDFFormXObject::insert(const char key[], SkPDFObject* value) {
return fStream->insert(key, value);
}
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