1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/include/utils/mac/SkCGUtils.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,67 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2011 Google Inc.
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +#ifndef SkCGUtils_DEFINED
1.12 +#define SkCGUtils_DEFINED
1.13 +
1.14 +#include "SkTypes.h"
1.15 +
1.16 +#ifdef SK_BUILD_FOR_MAC
1.17 +#include <ApplicationServices/ApplicationServices.h>
1.18 +#endif
1.19 +
1.20 +#ifdef SK_BUILD_FOR_IOS
1.21 +#include <CoreGraphics/CoreGraphics.h>
1.22 +#endif
1.23 +
1.24 +class SkBitmap;
1.25 +class SkData;
1.26 +class SkStream;
1.27 +
1.28 +/**
1.29 + * Create an imageref from the specified bitmap using the specified colorspace.
1.30 + * If space is NULL, then CGColorSpaceCreateDeviceRGB() is used.
1.31 + */
1.32 +SK_API CGImageRef SkCreateCGImageRefWithColorspace(const SkBitmap& bm,
1.33 + CGColorSpaceRef space);
1.34 +
1.35 +/**
1.36 + * Create an imageref from the specified bitmap using the colorspace returned
1.37 + * by CGColorSpaceCreateDeviceRGB()
1.38 + */
1.39 +static inline CGImageRef SkCreateCGImageRef(const SkBitmap& bm) {
1.40 + return SkCreateCGImageRefWithColorspace(bm, NULL);
1.41 +}
1.42 +
1.43 +/**
1.44 + * Draw the bitmap into the specified CG context. The bitmap will be converted
1.45 + * to a CGImage using the generic RGB colorspace. (x,y) specifies the position
1.46 + * of the top-left corner of the bitmap. The bitmap is converted using the
1.47 + * colorspace returned by CGColorSpaceCreateDeviceRGB()
1.48 + */
1.49 +void SkCGDrawBitmap(CGContextRef, const SkBitmap&, float x, float y);
1.50 +
1.51 +bool SkPDFDocumentToBitmap(SkStream* stream, SkBitmap* output);
1.52 +
1.53 +/**
1.54 + * Return a provider that wraps the specified stream. It will become an
1.55 + * owner of the stream, so the caller must still manage its ownership.
1.56 + *
1.57 + * To hand-off ownership of the stream to the provider, the caller must do
1.58 + * something like the following:
1.59 + *
1.60 + * SkStream* stream = new ...;
1.61 + * CGDataProviderRef provider = SkStreamToDataProvider(stream);
1.62 + * stream->unref();
1.63 + *
1.64 + * Now when the provider is finally deleted, it will delete the stream.
1.65 + */
1.66 +CGDataProviderRef SkCreateDataProviderFromStream(SkStream*);
1.67 +
1.68 +CGDataProviderRef SkCreateDataProviderFromData(SkData*);
1.69 +
1.70 +#endif
