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Side by Side Diff: webrtc/modules/desktop_capture/win/cursor.cc

Issue 1362503003: Use suffixed {uint,int}{8,16,32,64}_t types. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: google::int32 Created 5 years, 3 months ago
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1 /* 1 /*
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
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70 } 70 }
71 data++; 71 data++;
72 } 72 }
73 } 73 }
74 } 74 }
75 75
76 // Premultiplies RGB components of the pixel data in the given image by 76 // Premultiplies RGB components of the pixel data in the given image by
77 // the corresponding alpha components. 77 // the corresponding alpha components.
78 void AlphaMul(uint32_t* data, int width, int height) { 78 void AlphaMul(uint32_t* data, int width, int height) {
79 static_assert(sizeof(uint32_t) == kBytesPerPixel, 79 static_assert(sizeof(uint32_t) == kBytesPerPixel,
80 "size of uint32 should be the number of bytes per pixel"); 80 "size of uint32_t should be the number of bytes per pixel");
81 81
82 for (uint32_t* data_end = data + width * height; data != data_end; ++data) { 82 for (uint32_t* data_end = data + width * height; data != data_end; ++data) {
83 RGBQUAD* from = reinterpret_cast<RGBQUAD*>(data); 83 RGBQUAD* from = reinterpret_cast<RGBQUAD*>(data);
84 RGBQUAD* to = reinterpret_cast<RGBQUAD*>(data); 84 RGBQUAD* to = reinterpret_cast<RGBQUAD*>(data);
85 to->rgbBlue = 85 to->rgbBlue =
86 (static_cast<uint16_t>(from->rgbBlue) * from->rgbReserved) / 0xff; 86 (static_cast<uint16_t>(from->rgbBlue) * from->rgbReserved) / 0xff;
87 to->rgbGreen = 87 to->rgbGreen =
88 (static_cast<uint16_t>(from->rgbGreen) * from->rgbReserved) / 0xff; 88 (static_cast<uint16_t>(from->rgbGreen) * from->rgbReserved) / 0xff;
89 to->rgbRed = 89 to->rgbRed =
90 (static_cast<uint16_t>(from->rgbRed) * from->rgbReserved) / 0xff; 90 (static_cast<uint16_t>(from->rgbRed) * from->rgbReserved) / 0xff;
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239 239
240 // Pre-multiply the resulting pixels since MouseCursor uses premultiplied 240 // Pre-multiply the resulting pixels since MouseCursor uses premultiplied
241 // images. 241 // images.
242 AlphaMul(reinterpret_cast<uint32_t*>(image->data()), width, height); 242 AlphaMul(reinterpret_cast<uint32_t*>(image->data()), width, height);
243 243
244 return new MouseCursor( 244 return new MouseCursor(
245 image.release(), DesktopVector(hotspot_x, hotspot_y)); 245 image.release(), DesktopVector(hotspot_x, hotspot_y));
246 } 246 }
247 247
248 } // namespace webrtc 248 } // namespace webrtc
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