mirror of https://github.com/axmolengine/axmol.git
96 lines
3.6 KiB
C
96 lines
3.6 KiB
C
|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef SkPDFImage_DEFINED
|
||
|
|
#define SkPDFImage_DEFINED
|
||
|
|
|
||
|
|
#include "SkPDFStream.h"
|
||
|
|
#include "SkPDFTypes.h"
|
||
|
|
#include "SkRefCnt.h"
|
||
|
|
|
||
|
|
class SkBitmap;
|
||
|
|
class SkPaint;
|
||
|
|
class SkPDFCatalog;
|
||
|
|
struct SkIRect;
|
||
|
|
|
||
|
|
/** \class SkPDFImage
|
||
|
|
|
||
|
|
An image XObject.
|
||
|
|
*/
|
||
|
|
|
||
|
|
// We could play the same trick here as is done in SkPDFGraphicState, storing
|
||
|
|
// a copy of the Bitmap object (not the pixels), the pixel generation number,
|
||
|
|
// and settings used from the paint to canonicalize image objects.
|
||
|
|
class SkPDFImage : public SkPDFObject {
|
||
|
|
public:
|
||
|
|
/** Create a new Image XObject to represent the passed bitmap.
|
||
|
|
* @param bitmap The image to encode.
|
||
|
|
* @param srcRect The rectangle to cut out of bitmap.
|
||
|
|
* @param paint Used to calculate alpha, masks, etc.
|
||
|
|
* @return The image XObject or NUll if there is nothing to draw for
|
||
|
|
* the given parameters.
|
||
|
|
*/
|
||
|
|
static SkPDFImage* CreateImage(const SkBitmap& bitmap,
|
||
|
|
const SkIRect& srcRect,
|
||
|
|
const SkPaint& paint);
|
||
|
|
|
||
|
|
virtual ~SkPDFImage();
|
||
|
|
|
||
|
|
/** Add a Soft Mask (alpha or shape channel) to the image. Refs mask.
|
||
|
|
* @param mask A gray scale image representing the mask.
|
||
|
|
* @return The mask argument is returned.
|
||
|
|
*/
|
||
|
|
SkPDFImage* addSMask(SkPDFImage* mask);
|
||
|
|
|
||
|
|
// The SkPDFObject interface.
|
||
|
|
virtual void emitObject(SkWStream* stream, SkPDFCatalog* catalog,
|
||
|
|
bool indirect);
|
||
|
|
virtual size_t getOutputSize(SkPDFCatalog* catalog, bool indirect);
|
||
|
|
virtual void getResources(SkTDArray<SkPDFObject*>* resourceList);
|
||
|
|
|
||
|
|
private:
|
||
|
|
SkRefPtr<SkPDFStream> fStream;
|
||
|
|
SkTDArray<SkPDFObject*> fResources;
|
||
|
|
|
||
|
|
/** Create a PDF image XObject. Entries for the image properties are
|
||
|
|
* automatically added to the stream dictionary.
|
||
|
|
* @param imageData The final raw bits representing the image.
|
||
|
|
* @param bitmap The image parameters to use (Config, etc).
|
||
|
|
* @param srcRect The clipping applied to bitmap before generating
|
||
|
|
* imageData.
|
||
|
|
* @param alpha Is this the alpha channel of the bitmap.
|
||
|
|
* @param paint Used to calculate alpha, masks, etc.
|
||
|
|
*/
|
||
|
|
SkPDFImage(SkStream* imageData, const SkBitmap& bitmap,
|
||
|
|
const SkIRect& srcRect, bool alpha, const SkPaint& paint);
|
||
|
|
|
||
|
|
/** Add the value to the stream dictionary with the given key. Refs value.
|
||
|
|
* @param key The key for this dictionary entry.
|
||
|
|
* @param value The value for this dictionary entry.
|
||
|
|
* @return The value argument is returned.
|
||
|
|
*/
|
||
|
|
SkPDFObject* insert(SkPDFName* key, SkPDFObject* value);
|
||
|
|
|
||
|
|
/** Add the value to the stream dictionary with the given key. Refs value.
|
||
|
|
* @param key The text of the key for this dictionary entry.
|
||
|
|
* @param value The value for this dictionary entry.
|
||
|
|
* @return The value argument is returned.
|
||
|
|
*/
|
||
|
|
SkPDFObject* insert(const char key[], SkPDFObject* value);
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|