1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/animator/SkDisplayList.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,158 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2006 The Android Open Source Project
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +
1.12 +
1.13 +#include "SkDisplayList.h"
1.14 +#include "SkAnimateActive.h"
1.15 +#include "SkAnimateBase.h"
1.16 +#include "SkAnimateMaker.h"
1.17 +#include "SkDisplayApply.h"
1.18 +#include "SkDrawable.h"
1.19 +#include "SkDrawGroup.h"
1.20 +#include "SkDrawMatrix.h"
1.21 +#include "SkInterpolator.h"
1.22 +#include "SkTime.h"
1.23 +
1.24 +SkDisplayList::SkDisplayList() : fDrawBounds(true), fUnionBounds(false), fInTime(0) {
1.25 +}
1.26 +
1.27 +SkDisplayList::~SkDisplayList() {
1.28 +}
1.29 +
1.30 +void SkDisplayList::append(SkActive* active) {
1.31 + *fActiveList.append() = active;
1.32 +}
1.33 +
1.34 +bool SkDisplayList::draw(SkAnimateMaker& maker, SkMSec inTime) {
1.35 + validate();
1.36 + fInTime = inTime;
1.37 + bool result = false;
1.38 + fInvalBounds.setEmpty();
1.39 + if (fDrawList.count()) {
1.40 + for (SkActive** activePtr = fActiveList.begin(); activePtr < fActiveList.end(); activePtr++) {
1.41 + SkActive* active = *activePtr;
1.42 + active->reset();
1.43 + }
1.44 + for (int index = 0; index < fDrawList.count(); index++) {
1.45 + SkDrawable* draw = fDrawList[index];
1.46 + draw->initialize(); // allow matrices to reset themselves
1.47 + SkASSERT(draw->isDrawable());
1.48 + validate();
1.49 + result |= draw->draw(maker);
1.50 + }
1.51 + }
1.52 + validate();
1.53 + return result;
1.54 +}
1.55 +
1.56 +int SkDisplayList::findGroup(SkDrawable* match, SkTDDrawableArray** list,
1.57 + SkGroup** parent, SkGroup** found, SkTDDrawableArray**grandList) {
1.58 + *parent = NULL;
1.59 + *list = &fDrawList;
1.60 + *grandList = &fDrawList;
1.61 + return SearchForMatch(match, list, parent, found, grandList);
1.62 +}
1.63 +
1.64 +void SkDisplayList::hardReset() {
1.65 + fDrawList.reset();
1.66 + fActiveList.reset();
1.67 +}
1.68 +
1.69 +bool SkDisplayList::onIRect(const SkIRect& r) {
1.70 + fBounds = r;
1.71 + return fDrawBounds;
1.72 +}
1.73 +
1.74 +int SkDisplayList::SearchForMatch(SkDrawable* match, SkTDDrawableArray** list,
1.75 + SkGroup** parent, SkGroup** found, SkTDDrawableArray**grandList) {
1.76 + *found = NULL;
1.77 + for (int index = 0; index < (*list)->count(); index++) {
1.78 + SkDrawable* draw = (**list)[index];
1.79 + if (draw == match)
1.80 + return index;
1.81 + if (draw->isApply()) {
1.82 + SkApply* apply = (SkApply*) draw;
1.83 + if (apply->scope == match)
1.84 + return index;
1.85 + if (apply->scope->isGroup() && SearchGroupForMatch(apply->scope, match, list, parent, found, grandList, index))
1.86 + return index;
1.87 + if (apply->mode == SkApply::kMode_create) {
1.88 + for (SkDrawable** ptr = apply->fScopes.begin(); ptr < apply->fScopes.end(); ptr++) {
1.89 + SkDrawable* scope = *ptr;
1.90 + if (scope == match)
1.91 + return index;
1.92 + //perhaps should call SearchGroupForMatch here as well (on scope)
1.93 + }
1.94 + }
1.95 + }
1.96 + if (draw->isGroup() && SearchGroupForMatch(draw, match, list, parent, found, grandList, index))
1.97 + return index;
1.98 +
1.99 + }
1.100 + return -1;
1.101 +}
1.102 +
1.103 +bool SkDisplayList::SearchGroupForMatch(SkDrawable* draw, SkDrawable* match, SkTDDrawableArray** list,
1.104 + SkGroup** parent, SkGroup** found, SkTDDrawableArray** grandList, int &index) {
1.105 + SkGroup* group = (SkGroup*) draw;
1.106 + if (group->getOriginal() == match)
1.107 + return true;
1.108 + SkTDDrawableArray* saveList = *list;
1.109 + int groupIndex = group->findGroup(match, list, parent, found, grandList);
1.110 + if (groupIndex >= 0) {
1.111 + *found = group;
1.112 + index = groupIndex;
1.113 + return true;
1.114 + }
1.115 + *list = saveList;
1.116 + return false;
1.117 + }
1.118 +
1.119 +void SkDisplayList::reset() {
1.120 + for (int index = 0; index < fDrawList.count(); index++) {
1.121 + SkDrawable* draw = fDrawList[index];
1.122 + if (draw->isApply() == false)
1.123 + continue;
1.124 + SkApply* apply = (SkApply*) draw;
1.125 + apply->reset();
1.126 + }
1.127 +}
1.128 +
1.129 +void SkDisplayList::remove(SkActive* active) {
1.130 + int index = fActiveList.find(active);
1.131 + SkASSERT(index >= 0);
1.132 + fActiveList.remove(index); // !!! could use shuffle instead
1.133 + SkASSERT(fActiveList.find(active) < 0);
1.134 +}
1.135 +
1.136 +#ifdef SK_DUMP_ENABLED
1.137 +int SkDisplayList::fDumpIndex;
1.138 +int SkDisplayList::fIndent;
1.139 +
1.140 +void SkDisplayList::dump(SkAnimateMaker* maker) {
1.141 + fIndent = 0;
1.142 + dumpInner(maker);
1.143 +}
1.144 +
1.145 +void SkDisplayList::dumpInner(SkAnimateMaker* maker) {
1.146 + for (int index = 0; index < fDrawList.count(); index++) {
1.147 + fDumpIndex = index;
1.148 + fDrawList[fDumpIndex]->dump(maker);
1.149 + }
1.150 +}
1.151 +
1.152 +#endif
1.153 +
1.154 +#ifdef SK_DEBUG
1.155 +void SkDisplayList::validate() {
1.156 + for (int index = 0; index < fDrawList.count(); index++) {
1.157 + SkDrawable* draw = fDrawList[index];
1.158 + draw->validate();
1.159 + }
1.160 +}
1.161 +#endif
