michael@0: 
michael@0: /*
michael@0:  * Copyright 2011 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: #ifndef SkCGUtils_DEFINED
michael@0: #define SkCGUtils_DEFINED
michael@0: 
michael@0: #include "SkTypes.h"
michael@0: 
michael@0: #ifdef SK_BUILD_FOR_MAC
michael@0: #include <ApplicationServices/ApplicationServices.h>
michael@0: #endif
michael@0: 
michael@0: #ifdef SK_BUILD_FOR_IOS
michael@0: #include <CoreGraphics/CoreGraphics.h>
michael@0: #endif
michael@0: 
michael@0: class SkBitmap;
michael@0: class SkData;
michael@0: class SkStream;
michael@0: 
michael@0: /**
michael@0:  *  Create an imageref from the specified bitmap using the specified colorspace.
michael@0:  *  If space is NULL, then CGColorSpaceCreateDeviceRGB() is used.
michael@0:  */
michael@0: SK_API CGImageRef SkCreateCGImageRefWithColorspace(const SkBitmap& bm,
michael@0:                                                    CGColorSpaceRef space);
michael@0: 
michael@0: /**
michael@0:  *  Create an imageref from the specified bitmap using the colorspace returned
michael@0:  *  by CGColorSpaceCreateDeviceRGB()
michael@0:  */
michael@0: static inline CGImageRef SkCreateCGImageRef(const SkBitmap& bm) {
michael@0:     return SkCreateCGImageRefWithColorspace(bm, NULL);
michael@0: }
michael@0: 
michael@0: /**
michael@0:  *  Draw the bitmap into the specified CG context. The bitmap will be converted
michael@0:  *  to a CGImage using the generic RGB colorspace. (x,y) specifies the position
michael@0:  *  of the top-left corner of the bitmap. The bitmap is converted using the
michael@0:  *  colorspace returned by CGColorSpaceCreateDeviceRGB()
michael@0:  */
michael@0: void SkCGDrawBitmap(CGContextRef, const SkBitmap&, float x, float y);
michael@0: 
michael@0: bool SkPDFDocumentToBitmap(SkStream* stream, SkBitmap* output);
michael@0: 
michael@0: /**
michael@0:  *  Return a provider that wraps the specified stream. It will become an
michael@0:  *  owner of the stream, so the caller must still manage its ownership.
michael@0:  *
michael@0:  *  To hand-off ownership of the stream to the provider, the caller must do
michael@0:  *  something like the following:
michael@0:  *
michael@0:  *  SkStream* stream = new ...;
michael@0:  *  CGDataProviderRef provider = SkStreamToDataProvider(stream);
michael@0:  *  stream->unref();
michael@0:  *
michael@0:  *  Now when the provider is finally deleted, it will delete the stream.
michael@0:  */
michael@0: CGDataProviderRef SkCreateDataProviderFromStream(SkStream*);
michael@0: 
michael@0: CGDataProviderRef SkCreateDataProviderFromData(SkData*);
michael@0: 
michael@0: #endif