gfx/skia/trunk/src/animator/SkDisplayRandom.cpp@a63d609f5ebe (annotated)
gfx/skia/trunk/src/animator/SkDisplayRandom.cpp
Thu, 15 Jan 2015 15:55:04 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:55:04 +0100
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
- permissions
- -rw-r--r--
Back out 97036ab72558 which inappropriately compared turds to third parties.
| michael@0 | 1 | |
| michael@0 | 2 | /* |
| michael@0 | 3 | * Copyright 2006 The Android Open Source Project |
| michael@0 | 4 | * |
| michael@0 | 5 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 6 | * found in the LICENSE file. |
| michael@0 | 7 | */ |
| michael@0 | 8 | |
| michael@0 | 9 | |
| michael@0 | 10 | #include "SkDisplayRandom.h" |
| michael@0 | 11 | #include "SkInterpolator.h" |
| michael@0 | 12 | |
| michael@0 | 13 | enum SkDisplayRandom_Properties { |
| michael@0 | 14 | SK_PROPERTY(random), |
| michael@0 | 15 | SK_PROPERTY(seed) |
| michael@0 | 16 | }; |
| michael@0 | 17 | |
| michael@0 | 18 | #if SK_USE_CONDENSED_INFO == 0 |
| michael@0 | 19 | |
| michael@0 | 20 | const SkMemberInfo SkDisplayRandom::fInfo[] = { |
| michael@0 | 21 | SK_MEMBER(blend, Float), |
| michael@0 | 22 | SK_MEMBER(max, Float), |
| michael@0 | 23 | SK_MEMBER(min, Float), |
| michael@0 | 24 | SK_MEMBER_DYNAMIC_PROPERTY(random, Float), |
| michael@0 | 25 | SK_MEMBER_PROPERTY(seed, Int) |
| michael@0 | 26 | }; |
| michael@0 | 27 | |
| michael@0 | 28 | #endif |
| michael@0 | 29 | |
| michael@0 | 30 | DEFINE_GET_MEMBER(SkDisplayRandom); |
| michael@0 | 31 | |
| michael@0 | 32 | SkDisplayRandom::SkDisplayRandom() : blend(0), min(0), max(SK_Scalar1) { |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | #ifdef SK_DUMP_ENABLED |
| michael@0 | 36 | void SkDisplayRandom::dump(SkAnimateMaker* maker) { |
| michael@0 | 37 | dumpBase(maker); |
| michael@0 | 38 | SkDebugf("min=\"%g\" ", SkScalarToFloat(min)); |
| michael@0 | 39 | SkDebugf("max=\"%g\" ", SkScalarToFloat(max)); |
| michael@0 | 40 | SkDebugf("blend=\"%g\" ", SkScalarToFloat(blend)); |
| michael@0 | 41 | SkDebugf("/>\n"); |
| michael@0 | 42 | } |
| michael@0 | 43 | #endif |
| michael@0 | 44 | |
| michael@0 | 45 | bool SkDisplayRandom::getProperty(int index, SkScriptValue* value) const { |
| michael@0 | 46 | switch(index) { |
| michael@0 | 47 | case SK_PROPERTY(random): { |
| michael@0 | 48 | SkScalar random = fRandom.nextUScalar1(); |
| michael@0 | 49 | SkScalar relativeT = SkUnitCubicInterp(random, SK_Scalar1 - blend, 0, 0, SK_Scalar1 - blend); |
| michael@0 | 50 | value->fOperand.fScalar = min + SkScalarMul(max - min, relativeT); |
| michael@0 | 51 | value->fType = SkType_Float; |
| michael@0 | 52 | return true; |
| michael@0 | 53 | } |
| michael@0 | 54 | default: |
| michael@0 | 55 | SkASSERT(0); |
| michael@0 | 56 | } |
| michael@0 | 57 | return false; |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | bool SkDisplayRandom::setProperty(int index, SkScriptValue& value) { |
| michael@0 | 61 | SkASSERT(index == SK_PROPERTY(seed)); |
| michael@0 | 62 | SkASSERT(value.fType == SkType_Int); |
| michael@0 | 63 | fRandom.setSeed(value.fOperand.fS32); |
| michael@0 | 64 | return true; |
| michael@0 | 65 | } |
