Files
platform-external-webrtc/modules/desktop_capture/linux/x_atom_cache.h
Julien Isorce 62acb5a8c0 Add ICC profile to DesktopFrame
And fill-in icc profile from the various window and screen capturers.
Done on WindowCapturerMac, ScreenCapturerMac, WindowCapturerX11
and ScreenCapturerX11. Follow-up CLs will do it on ScreenCapturerWinDirectx
and ScreenCapturerPipeWire.

Useful to build the gfx::ColorSpace in chromium, especially
from src/content/browser/media/capture/desktop_capture_device.cc.

We do not build the color space directly here to avoid duplicating
ui/gfx/icc_profile.h,cc code from chromium, which one implements
icc profile caching.

Bug: chromium:945468
Change-Id: Id6e3920233771e035f7578847406bf1f519dcd49
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133580
Commit-Queue: Julien Isorce <julien.isorce@chromium.org>
Reviewed-by: Sergey Ulanov <sergeyu@chromium.org>
Reviewed-by: Brave Yao <braveyao@webrtc.org>
Reviewed-by: Jamie Walch <jamiewalch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#27697}
2019-04-19 22:57:09 +00:00

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/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_DESKTOP_CAPTURE_LINUX_X_ATOM_CACHE_H_
#define MODULES_DESKTOP_CAPTURE_LINUX_X_ATOM_CACHE_H_
#include <X11/X.h>
#include <X11/Xlib.h>
namespace webrtc {
// A cache of Atom. Each Atom object is created on demand.
class XAtomCache final {
public:
explicit XAtomCache(::Display* display);
~XAtomCache();
::Display* display() const;
Atom WmState();
Atom WindowType();
Atom WindowTypeNormal();
Atom IccProfile();
private:
// If |*atom| is None, this function uses XInternAtom() to retrieve an Atom.
Atom CreateIfNotExist(Atom* atom, const char* name);
::Display* const display_;
Atom wm_state_ = None;
Atom window_type_ = None;
Atom window_type_normal_ = None;
Atom icc_profile_ = None;
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_LINUX_X_ATOM_CACHE_H_