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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkCGUtils_DEFINED
#define SkCGUtils_DEFINED
#include "SkTypes.h"
#ifdef SK_BUILD_FOR_MAC
#include <ApplicationServices/ApplicationServices.h>
#endif
#ifdef SK_BUILD_FOR_IOS
#include <CoreGraphics/CoreGraphics.h>
#endif
class SkBitmap;
class SkStream;
/**
* Create an imageref from the specified bitmap using the specified colorspace.
* If space is NULL, then CGColorSpaceCreateDeviceRGB() is used.
*/
SK_API CGImageRef SkCreateCGImageRefWithColorspace(const SkBitmap& bm,
CGColorSpaceRef space);
/**
* Create an imageref from the specified bitmap using the colorspace returned
* by CGColorSpaceCreateDeviceRGB()
*/
static inline CGImageRef SkCreateCGImageRef(const SkBitmap& bm) {
return SkCreateCGImageRefWithColorspace(bm, NULL);
}
/**
* Draw the bitmap into the specified CG context. The bitmap will be converted
* to a CGImage using the generic RGB colorspace. (x,y) specifies the position
* of the top-left corner of the bitmap. The bitmap is converted using the
* colorspace returned by CGColorSpaceCreateDeviceRGB()
*/
void SkCGDrawBitmap(CGContextRef, const SkBitmap&, float x, float y);
bool SkPDFDocumentToBitmap(SkStream* stream, SkBitmap* output);
/**
* Return a provider that wraps the specified stream. It will become an
* owner of the stream, so the caller must still manage its ownership.
*
* To hand-off ownership of the stream to the provider, the caller must do
* something like the following:
*
* SkStream* stream = new ...;
* CGDataProviderRef provider = SkStreamToDataProvider(stream);
* stream->unref();
*
* Now when the provider is finally deleted, it will delete the stream.
*/
CGDataProviderRef SkCreateDataProviderFromStream(SkStream*);
#endif
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