Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/third_party/libwebrtc/modules/desktop_capture/rgba_color.h b/third_party/libwebrtc/modules/desktop_capture/rgba_color.h
new file mode 100644
index 0000000000..2b13430a45
--- /dev/null
+++ b/third_party/libwebrtc/modules/desktop_capture/rgba_color.h
@@ -0,0 +1,59 @@
+/*
+ *  Copyright (c) 2016 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_RGBA_COLOR_H_
+#define MODULES_DESKTOP_CAPTURE_RGBA_COLOR_H_
+
+#include <stdint.h>
+
+#include "modules/desktop_capture/desktop_frame.h"
+
+namespace webrtc {
+
+// A four-byte structure to store a color in BGRA format. This structure also
+// provides functions to be created from uint8_t array, say,
+// DesktopFrame::data(). It always uses BGRA order for internal storage to match
+// DesktopFrame::data().
+struct RgbaColor final {
+  // Creates a color with BGRA channels.
+  RgbaColor(uint8_t blue, uint8_t green, uint8_t red, uint8_t alpha);
+
+  // Creates a color with BGR channels, and set alpha channel to 255 (opaque).
+  RgbaColor(uint8_t blue, uint8_t green, uint8_t red);
+
+  // Creates a color from four-byte in BGRA order, i.e. DesktopFrame::data().
+  explicit RgbaColor(const uint8_t* bgra);
+
+  // Creates a color from BGRA channels in a uint format. Consumers should make
+  // sure the memory order of the uint32_t is always BGRA from left to right, no
+  // matter the system endian. This function creates an equivalent RgbaColor
+  // instance from the ToUInt32() result of another RgbaColor instance.
+  explicit RgbaColor(uint32_t bgra);
+
+  // Returns true if `this` and `right` is the same color.
+  bool operator==(const RgbaColor& right) const;
+
+  // Returns true if `this` and `right` are different colors.
+  bool operator!=(const RgbaColor& right) const;
+
+  uint32_t ToUInt32() const;
+
+  uint8_t blue;
+  uint8_t green;
+  uint8_t red;
+  uint8_t alpha;
+};
+static_assert(
+    DesktopFrame::kBytesPerPixel == sizeof(RgbaColor),
+    "A pixel in DesktopFrame should be safe to be represented by a RgbaColor");
+
+}  // namespace webrtc
+
+#endif  // MODULES_DESKTOP_CAPTURE_RGBA_COLOR_H_