mirror of
https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
synced 2026-10-21 14:47:31 +09:00
import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
73
image/SurfaceFlags.h
Normal file
73
image/SurfaceFlags.h
Normal file
|
|
@ -0,0 +1,73 @@
|
|||
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
#ifndef mozilla_image_SurfaceFlags_h
|
||||
#define mozilla_image_SurfaceFlags_h
|
||||
|
||||
#include "imgIContainer.h"
|
||||
#include "mozilla/TypedEnumBits.h"
|
||||
|
||||
namespace mozilla {
|
||||
namespace image {
|
||||
|
||||
/**
|
||||
* Flags that change the output a decoder generates. Because different
|
||||
* combinations of these flags result in logically different surfaces, these
|
||||
* flags must be taken into account in SurfaceCache lookups.
|
||||
*/
|
||||
enum class SurfaceFlags : uint8_t
|
||||
{
|
||||
NO_PREMULTIPLY_ALPHA = 1 << 0,
|
||||
NO_COLORSPACE_CONVERSION = 1 << 1
|
||||
};
|
||||
MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(SurfaceFlags)
|
||||
|
||||
/**
|
||||
* @return the default set of surface flags.
|
||||
*/
|
||||
inline SurfaceFlags
|
||||
DefaultSurfaceFlags()
|
||||
{
|
||||
return SurfaceFlags();
|
||||
}
|
||||
|
||||
/**
|
||||
* Given a set of imgIContainer FLAG_* flags, returns a set of SurfaceFlags with
|
||||
* the corresponding flags set.
|
||||
*/
|
||||
inline SurfaceFlags
|
||||
ToSurfaceFlags(uint32_t aFlags)
|
||||
{
|
||||
SurfaceFlags flags = DefaultSurfaceFlags();
|
||||
if (aFlags & imgIContainer::FLAG_DECODE_NO_PREMULTIPLY_ALPHA) {
|
||||
flags |= SurfaceFlags::NO_PREMULTIPLY_ALPHA;
|
||||
}
|
||||
if (aFlags & imgIContainer::FLAG_DECODE_NO_COLORSPACE_CONVERSION) {
|
||||
flags |= SurfaceFlags::NO_COLORSPACE_CONVERSION;
|
||||
}
|
||||
return flags;
|
||||
}
|
||||
|
||||
/**
|
||||
* Given a set of SurfaceFlags, returns a set of imgIContainer FLAG_* flags with
|
||||
* the corresponding flags set.
|
||||
*/
|
||||
inline uint32_t
|
||||
FromSurfaceFlags(SurfaceFlags aFlags)
|
||||
{
|
||||
uint32_t flags = imgIContainer::DECODE_FLAGS_DEFAULT;
|
||||
if (aFlags & SurfaceFlags::NO_PREMULTIPLY_ALPHA) {
|
||||
flags |= imgIContainer::FLAG_DECODE_NO_PREMULTIPLY_ALPHA;
|
||||
}
|
||||
if (aFlags & SurfaceFlags::NO_COLORSPACE_CONVERSION) {
|
||||
flags |= imgIContainer::FLAG_DECODE_NO_COLORSPACE_CONVERSION;
|
||||
}
|
||||
return flags;
|
||||
}
|
||||
|
||||
} // namespace image
|
||||
} // namespace mozilla
|
||||
|
||||
#endif // mozilla_image_SurfaceFlags_h
|
||||
Loading…
Add table
Add a link
Reference in a new issue