1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/animator/SkDisplayAdd.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,245 @@
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 "SkDisplayAdd.h"
1.14 +#include "SkAnimateMaker.h"
1.15 +#include "SkDisplayApply.h"
1.16 +#include "SkDisplayList.h"
1.17 +#include "SkDrawable.h"
1.18 +#include "SkDrawGroup.h"
1.19 +
1.20 +#if SK_USE_CONDENSED_INFO == 0
1.21 +
1.22 +const SkMemberInfo SkAdd::fInfo[] = {
1.23 + SK_MEMBER(mode, AddMode),
1.24 + SK_MEMBER(offset, Int),
1.25 + SK_MEMBER(use, Drawable),
1.26 + SK_MEMBER(where, Drawable)
1.27 +};
1.28 +
1.29 +#endif
1.30 +
1.31 +// start here;
1.32 +// add onEndElement to turn where string into f_Where
1.33 +// probably need new SkAnimateMaker::resolve flavor that takes
1.34 +// where="id", where="event-target" or not-specified
1.35 +// offset="#" (implements before, after, and index if no 'where')
1.36 +
1.37 +DEFINE_GET_MEMBER(SkAdd);
1.38 +
1.39 +SkAdd::SkAdd() : mode(kMode_indirect),
1.40 + offset(SK_MaxS32), use(NULL), where(NULL) {
1.41 +}
1.42 +
1.43 +SkDisplayable* SkAdd::deepCopy(SkAnimateMaker* maker) {
1.44 + SkDrawable* saveUse = use;
1.45 + SkDrawable* saveWhere = where;
1.46 + use = NULL;
1.47 + where = NULL;
1.48 + SkAdd* copy = (SkAdd*) INHERITED::deepCopy(maker);
1.49 + copy->use = use = saveUse;
1.50 + copy->where = where = saveWhere;
1.51 + return copy;
1.52 +}
1.53 +
1.54 +bool SkAdd::draw(SkAnimateMaker& maker) {
1.55 + SkASSERT(use);
1.56 + SkASSERT(use->isDrawable());
1.57 + if (mode == kMode_indirect)
1.58 + use->draw(maker);
1.59 + return false;
1.60 +}
1.61 +
1.62 +#ifdef SK_DUMP_ENABLED
1.63 +void SkAdd::dump(SkAnimateMaker* maker) {
1.64 + dumpBase(maker);
1.65 + dumpAttrs(maker);
1.66 + if (where)
1.67 + SkDebugf("where=\"%s\" ", where->id);
1.68 + if (mode == kMode_immediate)
1.69 + SkDebugf("mode=\"immediate\" ");
1.70 + SkDebugf(">\n");
1.71 + SkDisplayList::fIndent += 4;
1.72 + int save = SkDisplayList::fDumpIndex;
1.73 + if (use) //just in case
1.74 + use->dump(maker);
1.75 + SkDisplayList::fIndent -= 4;
1.76 + SkDisplayList::fDumpIndex = save;
1.77 + dumpEnd(maker);
1.78 +}
1.79 +#endif
1.80 +
1.81 +bool SkAdd::enable(SkAnimateMaker& maker ) {
1.82 + SkDisplayTypes type = getType();
1.83 + SkDisplayList& displayList = maker.fDisplayList;
1.84 + SkTDDrawableArray* parentList = displayList.getDrawList();
1.85 + if (type == SkType_Add) {
1.86 + if (use == NULL) // not set in apply yet
1.87 + return true;
1.88 + }
1.89 + bool skipAddToParent = true;
1.90 + SkASSERT(type != SkType_Replace || where);
1.91 + SkTDDrawableArray* grandList SK_INIT_TO_AVOID_WARNING;
1.92 + SkGroup* parentGroup = NULL;
1.93 + SkGroup* thisGroup = NULL;
1.94 + int index = where ? displayList.findGroup(where, &parentList, &parentGroup,
1.95 + &thisGroup, &grandList) : 0;
1.96 + if (index < 0)
1.97 + return true;
1.98 + int max = parentList->count();
1.99 + if (where == NULL && type == SkType_Move)
1.100 + index = max;
1.101 + if (offset != SK_MaxS32) {
1.102 + index += offset;
1.103 + if (index > max) {
1.104 + maker.setErrorCode(SkDisplayXMLParserError::kIndexOutOfRange);
1.105 + return true; // caller should not add
1.106 + }
1.107 + }
1.108 + if (offset < 0 && where == NULL)
1.109 + index += max + 1;
1.110 + switch (type) {
1.111 + case SkType_Add:
1.112 + if (offset == SK_MaxS32 && where == NULL) {
1.113 + if (use->isDrawable()) {
1.114 + skipAddToParent = mode == kMode_immediate;
1.115 + if (skipAddToParent) {
1.116 + if (where == NULL) {
1.117 + SkTDDrawableArray* useParentList;
1.118 + index = displayList.findGroup(this, &useParentList, &parentGroup,
1.119 + &thisGroup, &grandList);
1.120 + if (index >= 0) {
1.121 + parentGroup->markCopySize(index);
1.122 + parentGroup->markCopySet(index);
1.123 + useParentList->begin()[index] = use;
1.124 + break;
1.125 + }
1.126 + }
1.127 + *parentList->append() = use;
1.128 + }
1.129 + }
1.130 + break;
1.131 + } else {
1.132 + if (thisGroup)
1.133 + thisGroup->markCopySize(index);
1.134 + *parentList->insert(index) = use;
1.135 + if (thisGroup)
1.136 + thisGroup->markCopySet(index);
1.137 + if (use->isApply())
1.138 + ((SkApply*) use)->setEmbedded();
1.139 + }
1.140 + break;
1.141 + case SkType_Move: {
1.142 + int priorLocation = parentList->find(use);
1.143 + if (priorLocation < 0)
1.144 + break;
1.145 + *parentList->insert(index) = use;
1.146 + if (index < priorLocation)
1.147 + priorLocation++;
1.148 + parentList->remove(priorLocation);
1.149 + } break;
1.150 + case SkType_Remove: {
1.151 + SkDisplayable* old = (*parentList)[index];
1.152 + if (((SkRemove*)(this))->fDelete) {
1.153 + delete old;
1.154 + goto noHelperNeeded;
1.155 + }
1.156 + for (int inner = 0; inner < maker.fChildren.count(); inner++) {
1.157 + SkDisplayable* child = maker.fChildren[inner];
1.158 + if (child == old || child->contains(old))
1.159 + goto noHelperNeeded;
1.160 + }
1.161 + if (maker.fHelpers.find(old) < 0)
1.162 + maker.helperAdd(old);
1.163 +noHelperNeeded:
1.164 + parentList->remove(index);
1.165 + } break;
1.166 + case SkType_Replace:
1.167 + if (thisGroup) {
1.168 + thisGroup->markCopySize(index);
1.169 + if (thisGroup->markedForDelete(index)) {
1.170 + SkDisplayable* old = (*parentList)[index];
1.171 + if (maker.fHelpers.find(old) < 0)
1.172 + maker.helperAdd(old);
1.173 + }
1.174 + }
1.175 + (*parentList)[index] = use;
1.176 + if (thisGroup)
1.177 + thisGroup->markCopySet(index);
1.178 + break;
1.179 + default:
1.180 + SkASSERT(0);
1.181 + }
1.182 + if (type == SkType_Remove)
1.183 + return true;
1.184 + if (use->hasEnable())
1.185 + use->enable(maker);
1.186 + return skipAddToParent; // append if indirect: *parentList->append() = this;
1.187 +}
1.188 +
1.189 +bool SkAdd::hasEnable() const {
1.190 + return true;
1.191 +}
1.192 +
1.193 +void SkAdd::initialize() {
1.194 + if (use)
1.195 + use->initialize();
1.196 +}
1.197 +
1.198 +bool SkAdd::isDrawable() const {
1.199 + return getType() == SkType_Add && mode == kMode_indirect && offset == SK_MaxS32 &&
1.200 + where == NULL && use != NULL && use->isDrawable();
1.201 +}
1.202 +
1.203 +//SkDisplayable* SkAdd::resolveTarget(SkAnimateMaker& maker) {
1.204 +// return use;
1.205 +//}
1.206 +
1.207 +
1.208 +bool SkClear::enable(SkAnimateMaker& maker ) {
1.209 + SkDisplayList& displayList = maker.fDisplayList;
1.210 + displayList.clear();
1.211 + return true;
1.212 +}
1.213 +
1.214 +
1.215 +#if SK_USE_CONDENSED_INFO == 0
1.216 +
1.217 +const SkMemberInfo SkMove::fInfo[] = {
1.218 + SK_MEMBER_INHERITED
1.219 +};
1.220 +
1.221 +#endif
1.222 +
1.223 +DEFINE_GET_MEMBER(SkMove);
1.224 +
1.225 +#if SK_USE_CONDENSED_INFO == 0
1.226 +
1.227 +const SkMemberInfo SkRemove::fInfo[] = {
1.228 + SK_MEMBER_ALIAS(delete, fDelete, Boolean), // !!! experimental
1.229 + SK_MEMBER(offset, Int),
1.230 + SK_MEMBER(where, Drawable)
1.231 +};
1.232 +
1.233 +#endif
1.234 +
1.235 +DEFINE_GET_MEMBER(SkRemove);
1.236 +
1.237 +SkRemove::SkRemove() : fDelete(false) {
1.238 +}
1.239 +
1.240 +#if SK_USE_CONDENSED_INFO == 0
1.241 +
1.242 +const SkMemberInfo SkReplace::fInfo[] = {
1.243 + SK_MEMBER_INHERITED
1.244 +};
1.245 +
1.246 +#endif
1.247 +
1.248 +DEFINE_GET_MEMBER(SkReplace);
