The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/skia/trunk/src/core/SkImageInfo.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,40 @@
     1.4 +/*
     1.5 + * Copyright 2010 Google Inc.
     1.6 + *
     1.7 + * Use of this source code is governed by a BSD-style license that can be
     1.8 + * found in the LICENSE file.
     1.9 + */
    1.10 +
    1.11 +#include "SkImageInfo.h"
    1.12 +#include "SkReadBuffer.h"
    1.13 +#include "SkWriteBuffer.h"
    1.14 +
    1.15 +static bool alpha_type_is_valid(SkAlphaType alphaType) {
    1.16 +    return (alphaType >= 0) && (alphaType <= kLastEnum_SkAlphaType);
    1.17 +}
    1.18 +
    1.19 +static bool color_type_is_valid(SkColorType colorType) {
    1.20 +    return (colorType >= 0) && (colorType <= kLastEnum_SkColorType);
    1.21 +}
    1.22 +
    1.23 +void SkImageInfo::unflatten(SkReadBuffer& buffer) {
    1.24 +    fWidth = buffer.read32();
    1.25 +    fHeight = buffer.read32();
    1.26 +
    1.27 +    uint32_t packed = buffer.read32();
    1.28 +    SkASSERT(0 == (packed >> 16));
    1.29 +    fAlphaType = (SkAlphaType)((packed >> 8) & 0xFF);
    1.30 +    fColorType = (SkColorType)((packed >> 0) & 0xFF);
    1.31 +    buffer.validate(alpha_type_is_valid(fAlphaType) &&
    1.32 +                    color_type_is_valid(fColorType));
    1.33 +}
    1.34 +
    1.35 +void SkImageInfo::flatten(SkWriteBuffer& buffer) const {
    1.36 +    buffer.write32(fWidth);
    1.37 +    buffer.write32(fHeight);
    1.38 +
    1.39 +    SkASSERT(0 == (fAlphaType & ~0xFF));
    1.40 +    SkASSERT(0 == (fColorType & ~0xFF));
    1.41 +    uint32_t packed = (fAlphaType << 8) | fColorType;
    1.42 +    buffer.write32(packed);
    1.43 +}