Index: webrtc/modules/desktop_capture/rgba_color.cc |
diff --git a/webrtc/modules/desktop_capture/rgba_color.cc b/webrtc/modules/desktop_capture/rgba_color.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..2342b46915061a62926149c8464f7ed0590eec44 |
--- /dev/null |
+++ b/webrtc/modules/desktop_capture/rgba_color.cc |
@@ -0,0 +1,48 @@ |
+/* |
+ * 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. |
+ */ |
+ |
+#include "webrtc/modules/desktop_capture/rgba_color.h" |
+ |
+namespace webrtc { |
+ |
+namespace { |
+ |
+bool AlphaEquals(uint8_t i, uint8_t j) { |
+ // On Linux and Windows 8 or early version, '0' was returned for alpha channel |
+ // from capturer APIs, on Windows 10, '255' was returned. So a workaround is |
+ // to treat 0 as 255. |
+ return i == j || ((i == 0 || i == 255) && (j == 0 || j == 255)); |
+} |
+ |
+} // namespace |
+ |
+RgbaColor::RgbaColor(uint8_t blue, uint8_t green, uint8_t red, uint8_t alpha) { |
+ this->blue = blue; |
+ this->green = green; |
+ this->red = red; |
+ this->alpha = alpha; |
+} |
+ |
+RgbaColor::RgbaColor(uint8_t blue, uint8_t green, uint8_t red) |
+ : RgbaColor(blue, green, red, 0xff) {} |
+ |
+RgbaColor::RgbaColor(const uint8_t* bgra) |
+ : RgbaColor(bgra[0], bgra[1], bgra[2], bgra[3]) {} |
+ |
+bool RgbaColor::operator==(const RgbaColor& right) const { |
+ return blue == right.blue && green == right.green && red == right.red && |
+ AlphaEquals(alpha, right.alpha); |
+} |
+ |
+bool RgbaColor::operator!=(const RgbaColor& right) const { |
+ return !(*this == right); |
+} |
+ |
+} // namespace webrtc |