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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 part of dart.sky; |
| 6 |
| 7 /// Color transfer mode. |
| 8 class TransferMode { |
| 9 final int _value; |
| 10 |
| 11 const TransferMode(this._value); |
| 12 |
| 13 /// List of predefined modes. This list comes from Skia's SkXfermode.h and |
| 14 /// the values should be kept in sync. |
| 15 static const TransferMode clearMode = const TransferMode(0); |
| 16 static const TransferMode srcMode = const TransferMode(1); |
| 17 static const TransferMode dstMode = const TransferMode(2); |
| 18 static const TransferMode srcOverMode = const TransferMode(3); |
| 19 static const TransferMode dstOverMode = const TransferMode(4); |
| 20 static const TransferMode srcInMode = const TransferMode(5); |
| 21 static const TransferMode dstInMode = const TransferMode(6); |
| 22 static const TransferMode srcOutMode = const TransferMode(7); |
| 23 static const TransferMode dstOutMode = const TransferMode(8); |
| 24 static const TransferMode srcATopMode = const TransferMode(9); |
| 25 static const TransferMode dstATopMode = const TransferMode(10); |
| 26 static const TransferMode xorMode = const TransferMode(11); |
| 27 static const TransferMode plusMode = const TransferMode(12); |
| 28 static const TransferMode modulateMode = const TransferMode(13); |
| 29 |
| 30 // Following blend modes are defined in the CSS Compositing standard: |
| 31 // https://dvcs.w3.org/hg/FXTF/rawfile/tip/compositing/index.html#blending |
| 32 static const TransferMode screenMode = const TransferMode(14); |
| 33 static const TransferMode lastCoeffMode = screenMode = const TransferMode(15); |
| 34 |
| 35 static const TransferMode overlayMode = const TransferMode(16); |
| 36 static const TransferMode darkenMode = const TransferMode(17); |
| 37 static const TransferMode lightenMode = const TransferMode(18); |
| 38 static const TransferMode colorDodgeMode = const TransferMode(19); |
| 39 static const TransferMode colorBurnMode = const TransferMode(20); |
| 40 static const TransferMode hardLightMode = const TransferMode(21); |
| 41 static const TransferMode softLightMode = const TransferMode(22); |
| 42 static const TransferMode differenceMode = const TransferMode(23); |
| 43 static const TransferMode exclusionMode = const TransferMode(24); |
| 44 static const TransferMode multiplyMode = const TransferMode(25); |
| 45 static const TransferMode lastSeparableMode = multiplyMode = const TransferMod
e(26); |
| 46 |
| 47 static const TransferMode hueMode = const TransferMode(27); |
| 48 static const TransferMode saturationMode = const TransferMode(28); |
| 49 static const TransferMode colorMode = const TransferMode(29); |
| 50 static const TransferMode luminosityMode = const TransferMode(30); |
| 51 } |
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