1
2 /*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10 #include "SkAnimatorScript.h"
11 #include "SkAnimateBase.h"
12 #include "SkAnimateMaker.h"
13 #include "SkDisplayTypes.h"
14 #include "SkExtras.h"
15 #include "SkMemberInfo.h"
16 #include "SkParse.h"
17
18 static const SkDisplayEnumMap gEnumMaps[] = {
19 { SkType_AddMode, "indirect|immediate" },
20 { SkType_Align, "left|center|right" },
21 { SkType_ApplyMode, "create|immediate|once" },
22 { SkType_ApplyTransition, "normal|reverse" },
23 { SkType_BitmapEncoding, "jpeg|png" },
24 { SkType_BitmapFormat, "none|A1|A8|Index8|RGB16|RGB32" },
25 { SkType_Boolean, "false|true" },
26 { SkType_Cap, "butt|round|square" },
27 { SkType_EventCode, "none|leftSoftKey|rightSoftKey|home|back|send|end|key0|key1|key2|key3|key4|key5|key6|key7|key8|key9|star|hash|up|down|left|right|OK|volUp|volDown|camera" },
28 { SkType_EventKind, "none|keyChar|keyPress|keyPressUp|mouseDown|mouseDrag|mouseMove|mouseUp|onEnd|onLoad|user" },
29 { SkType_EventMode, "deferred|immediate" },
30 { SkType_FillType, "winding|evenOdd" },
31 { SkType_FilterType, "none|bilinear" },
32 { SkType_FontStyle, "normal|bold|italic|boldItalic" },
33 { SkType_FromPathMode, "normal|angle|position" },
34 { SkType_Join, "miter|round|blunt" },
35 { SkType_MaskFilterBlurStyle, "normal|solid|outer|inner" },
36 { SkType_PathDirection, "cw|ccw" },
37 { SkType_Style, "fill|stroke|strokeAndFill" },
38 { SkType_TextBoxAlign, "start|center|end" },
39 { SkType_TextBoxMode, "oneLine|lineBreak" },
40 { SkType_TileMode, "clamp|repeat|mirror" },
41 { SkType_Xfermode, "clear|src|dst|srcOver|dstOver|srcIn|dstIn|srcOut|dstOut|"
42 "srcATop|dstATop|xor|darken|lighten" },
43 };
44
45 static int gEnumMapCount = SK_ARRAY_COUNT(gEnumMaps);
46
SkAnimatorScript(SkAnimateMaker & maker,SkDisplayable * working,SkDisplayTypes type)47 SkAnimatorScript::SkAnimatorScript(SkAnimateMaker& maker, SkDisplayable* working, SkDisplayTypes type)
48 : SkScriptEngine(SkScriptEngine::ToOpType(type)), fMaker(maker), fParent(nullptr), fWorking(working)
49 {
50 memberCallBack(EvalMember, (void*) this);
51 memberFunctionCallBack(EvalMemberFunction, (void*) this);
52 boxCallBack(Box, (void*) this);
53 unboxCallBack(Unbox, (void*) &maker);
54 propertyCallBack(EvalID, (void*) this); // must be first (entries are prepended, will be last), since it never fails
55 propertyCallBack(Infinity, (void*) this);
56 propertyCallBack(NaN, (void*) this);
57 functionCallBack(Eval, (void*) this);
58 functionCallBack(IsFinite, (void*) this);
59 functionCallBack(IsNaN, (void*) this);
60 if (type == SkType_ARGB) {
61 functionCallBack(EvalRGB, (void*) this);
62 propertyCallBack(EvalNamedColor, (void*) &maker.fIDs);
63 }
64 if (SkDisplayType::IsEnum(&maker, type)) {
65 // !!! for SpiderMonkey, iterate through the enum values, and map them to globals
66 const SkDisplayEnumMap& map = GetEnumValues(type);
67 propertyCallBack(EvalEnum, (void*) map.fValues);
68 }
69 for (SkExtras** extraPtr = maker.fExtras.begin(); extraPtr < maker.fExtras.end(); extraPtr++) {
70 SkExtras* extra = *extraPtr;
71 if (extra->fExtraCallBack)
72 propertyCallBack(extra->fExtraCallBack, extra->fExtraStorage);
73 }
74 }
75
~SkAnimatorScript()76 SkAnimatorScript::~SkAnimatorScript() {
77 for (SkDisplayable** dispPtr = fTrackDisplayable.begin(); dispPtr < fTrackDisplayable.end(); dispPtr++)
78 delete *dispPtr;
79 }
80
evaluate(const char * original,SkScriptValue * result,SkDisplayTypes type)81 bool SkAnimatorScript::evaluate(const char* original, SkScriptValue* result, SkDisplayTypes type) {
82 const char* script = original;
83 bool success = evaluateScript(&script, result);
84 if (success == false || result->fType != type) {
85 fMaker.setScriptError(*this);
86 return false;
87 }
88 return true;
89 }
90
Box(void * user,SkScriptValue * scriptValue)91 bool SkAnimatorScript::Box(void* user, SkScriptValue* scriptValue) {
92 SkAnimatorScript* engine = (SkAnimatorScript*) user;
93 SkDisplayTypes type = scriptValue->fType;
94 SkDisplayable* displayable;
95 switch (type) {
96 case SkType_Array: {
97 SkDisplayArray* boxedValue = new SkDisplayArray(*scriptValue->fOperand.fArray);
98 displayable = boxedValue;
99 } break;
100 case SkType_Boolean: {
101 SkDisplayBoolean* boxedValue = new SkDisplayBoolean;
102 displayable = boxedValue;
103 boxedValue->value = !! scriptValue->fOperand.fS32;
104 } break;
105 case SkType_Int: {
106 SkDisplayInt* boxedValue = new SkDisplayInt;
107 displayable = boxedValue;
108 boxedValue->value = scriptValue->fOperand.fS32;
109 } break;
110 case SkType_Float: {
111 SkDisplayFloat* boxedValue = new SkDisplayFloat;
112 displayable = boxedValue;
113 boxedValue->value = scriptValue->fOperand.fScalar;
114 } break;
115 case SkType_String: {
116 SkDisplayString* boxedValue = new SkDisplayString(*scriptValue->fOperand.fString);
117 displayable = boxedValue;
118 } break;
119 case SkType_Displayable:
120 scriptValue->fOperand.fObject = scriptValue->fOperand.fDisplayable;
121 scriptValue->fType = SkType_Displayable;
122 return true;
123 default:
124 SkASSERT(0);
125 return false;
126 }
127 engine->track(displayable);
128 scriptValue->fOperand.fObject = displayable;
129 scriptValue->fType = SkType_Displayable;
130 return true;
131 }
132
Eval(const char * function,size_t len,SkTDArray<SkScriptValue> & params,void * eng,SkScriptValue * value)133 bool SkAnimatorScript::Eval(const char* function, size_t len, SkTDArray<SkScriptValue>& params,
134 void* eng, SkScriptValue* value) {
135 if (SK_LITERAL_STR_EQUAL("eval", function, len) == false)
136 return false;
137 if (params.count() != 1)
138 return false;
139 SkAnimatorScript* host = (SkAnimatorScript*) eng;
140 SkAnimatorScript engine(host->fMaker, host->fWorking, SkScriptEngine::ToDisplayType(host->fReturnType));
141 SkScriptValue* scriptValue = params.begin();
142 bool success = true;
143 if (scriptValue->fType == SkType_String) {
144 const char* script = scriptValue->fOperand.fString->c_str();
145 success = engine.evaluateScript(&script, value);
146 } else
147 *value = *scriptValue;
148 return success;
149 }
150
EvalEnum(const char * token,size_t len,void * callBack,SkScriptValue * value)151 bool SkAnimatorScript::EvalEnum(const char* token, size_t len, void* callBack, SkScriptValue* value) {
152 const char* tokens = (const char*) callBack;
153 value->fType = SkType_Int;
154 if (MapEnums(tokens, token, len, (int*)&value->fOperand.fS32))
155 return true;
156 return false;
157 }
158
EvalID(const char * token,size_t len,void * user,SkScriptValue * value)159 bool SkAnimatorScript::EvalID(const char* token, size_t len, void* user, SkScriptValue* value) {
160 SkAnimatorScript* engine = (SkAnimatorScript*) user;
161 SkTDict<SkDisplayable*>* ids = &engine->fMaker.fIDs;
162 SkDisplayable* displayable;
163 bool success = ids->find(token, len, &displayable);
164 if (success == false) {
165 displayable = engine->fWorking;
166 if (SK_LITERAL_STR_EQUAL("parent", token, len)) {
167 SkDisplayable* parent = displayable->getParent();
168 if (parent == nullptr)
169 parent = engine->fParent;
170 if (parent) {
171 value->fOperand.fDisplayable = parent;
172 value->fType = SkType_Displayable;
173 return true;
174 }
175 }
176 if (displayable && EvalMember(token, len, displayable, engine, value))
177 return true;
178 value->fOperand.fString = nullptr;
179 value->fType = SkType_String;
180 } else {
181 SkDisplayable* working = engine->fWorking;
182 value->fOperand.fDisplayable = displayable;
183 value->fType = SkType_Displayable;
184 if (displayable->canContainDependents() && working && working->isAnimate()) {
185 SkAnimateBase* animator = (SkAnimateBase*) working;
186 if (animator->isDynamic()) {
187 SkDisplayDepend* depend = (SkDisplayDepend* ) displayable;
188 depend->addDependent(working);
189 }
190 }
191 }
192 return true;
193 }
194
EvalNamedColor(const char * token,size_t len,void * callback,SkScriptValue * value)195 bool SkAnimatorScript::EvalNamedColor(const char* token, size_t len, void* callback, SkScriptValue* value) {
196 value->fType = SkType_Int;
197 if (SkParse::FindNamedColor(token, len, (SkColor*) &value->fOperand.fS32) != nullptr)
198 return true;
199 return false;
200 }
201
EvalRGB(const char * function,size_t len,SkTDArray<SkScriptValue> & params,void * eng,SkScriptValue * value)202 bool SkAnimatorScript::EvalRGB(const char* function, size_t len, SkTDArray<SkScriptValue>& params,
203 void* eng, SkScriptValue* value) {
204 if (SK_LITERAL_STR_EQUAL("rgb", function, len) == false)
205 return false;
206 if (params.count() != 3)
207 return false;
208 SkScriptEngine* engine = (SkScriptEngine*) eng;
209 unsigned result = 0xFF000000;
210 int shift = 16;
211 for (SkScriptValue* valuePtr = params.begin(); valuePtr < params.end(); valuePtr++) {
212 engine->convertTo(SkType_Int, valuePtr);
213 result |= SkClampMax(valuePtr->fOperand.fS32, 255) << shift;
214 shift -= 8;
215 }
216 value->fOperand.fS32 = result;
217 value->fType = SkType_Int;
218 return true;
219 }
220
EvalMemberCommon(SkScriptEngine * engine,const SkMemberInfo * info,SkDisplayable * displayable,SkScriptValue * value)221 bool SkAnimatorScript::EvalMemberCommon(SkScriptEngine* engine, const SkMemberInfo* info,
222 SkDisplayable* displayable, SkScriptValue* value) {
223 SkDisplayTypes original;
224 SkDisplayTypes type = original = (SkDisplayTypes) info->getType();
225 if (info->fType == SkType_Array)
226 type = SkType_Array;
227 switch (type) {
228 case SkType_ARGB:
229 type = SkType_Int;
230 case SkType_Boolean:
231 case SkType_Int:
232 case SkType_MSec:
233 case SkType_Float:
234 SkASSERT(info->getCount() == 1);
235 if (info->fType != SkType_MemberProperty && info->fType != SkType_MemberFunction)
236 value->fOperand.fS32 = *(int32_t*) info->memberData(displayable); // OK for SkScalar too
237 if (type == SkType_MSec) {
238 value->fOperand.fScalar = value->fOperand.fS32 * 0.001f;
239 type = SkType_Float;
240 }
241 break;
242 case SkType_String: {
243 SkString* displayableString;
244 if (info->fType != SkType_MemberProperty && info->fType != SkType_MemberFunction) {
245 info->getString(displayable, &displayableString);
246 value->fOperand.fString = new SkString(*displayableString);
247 }
248 } break;
249 case SkType_Array: {
250 SkASSERT(info->fType != SkType_MemberProperty); // !!! incomplete
251 SkTDOperandArray* displayableArray = (SkTDOperandArray*) info->memberData(displayable);
252 if (displayable->getType() == SkType_Array) {
253 SkDisplayArray* typedArray = (SkDisplayArray*) displayable;
254 original = typedArray->values.getType();
255 }
256 SkASSERT(original != SkType_Unknown);
257 SkTypedArray* array = value->fOperand.fArray = new SkTypedArray(original);
258 engine->track(array);
259 int count = displayableArray->count();
260 if (count > 0) {
261 array->setCount(count);
262 memcpy(array->begin(), displayableArray->begin(), count * sizeof(SkOperand));
263 }
264 } break;
265 default:
266 SkASSERT(0); // unimplemented
267 }
268 value->fType = type;
269 return true;
270 }
271
EvalMember(const char * member,size_t len,void * object,void * eng,SkScriptValue * value)272 bool SkAnimatorScript::EvalMember(const char* member, size_t len, void* object, void* eng,
273 SkScriptValue* value) {
274 SkScriptEngine* engine = (SkScriptEngine*) eng;
275 SkDisplayable* displayable = (SkDisplayable*) object;
276 SkString name(member, len);
277 SkDisplayable* named = displayable->contains(name);
278 if (named) {
279 value->fOperand.fDisplayable = named;
280 value->fType = SkType_Displayable;
281 return true;
282 }
283 const SkMemberInfo* info = displayable->getMember(name.c_str());
284 if (info == nullptr)
285 return false;
286 if (info->fType == SkType_MemberProperty) {
287 if (displayable->getProperty(info->propertyIndex(), value) == false) {
288 SkASSERT(0);
289 return false;
290 }
291 }
292 return EvalMemberCommon(engine, info, displayable, value);
293 }
294
EvalMemberFunction(const char * member,size_t len,void * object,SkTDArray<SkScriptValue> & params,void * eng,SkScriptValue * value)295 bool SkAnimatorScript::EvalMemberFunction(const char* member, size_t len, void* object,
296 SkTDArray<SkScriptValue>& params, void* eng, SkScriptValue* value) {
297 SkScriptEngine* engine = (SkScriptEngine*) eng;
298 SkDisplayable* displayable = (SkDisplayable*) object;
299 SkString name(member, len);
300 const SkMemberInfo* info = displayable->getMember(name.c_str());
301 SkASSERT(info != nullptr); /* !!! error handling unimplemented */
302 if (info->fType != SkType_MemberFunction) {
303 SkASSERT(0);
304 return false;
305 }
306 displayable->executeFunction(displayable, info->functionIndex(), params, info->getType(),
307 value);
308 return EvalMemberCommon(engine, info, displayable, value);
309 }
310
EvaluateDisplayable(SkAnimateMaker & maker,SkDisplayable * displayable,const char * script,SkDisplayable ** result)311 bool SkAnimatorScript::EvaluateDisplayable(SkAnimateMaker& maker, SkDisplayable* displayable, const char* script, SkDisplayable** result) {
312 SkAnimatorScript engine(maker, displayable, SkType_Displayable);
313 SkScriptValue value;
314 bool success = engine.evaluate(script, &value, SkType_Displayable);
315 if (success)
316 *result = value.fOperand.fDisplayable;
317 return success;
318 }
319
EvaluateInt(SkAnimateMaker & maker,SkDisplayable * displayable,const char * script,int32_t * result)320 bool SkAnimatorScript::EvaluateInt(SkAnimateMaker& maker, SkDisplayable* displayable, const char* script, int32_t* result) {
321 SkAnimatorScript engine(maker, displayable, SkType_Int);
322 SkScriptValue value;
323 bool success = engine.evaluate(script, &value, SkType_Int);
324 if (success)
325 *result = value.fOperand.fS32;
326 return success;
327 }
328
EvaluateFloat(SkAnimateMaker & maker,SkDisplayable * displayable,const char * script,SkScalar * result)329 bool SkAnimatorScript::EvaluateFloat(SkAnimateMaker& maker, SkDisplayable* displayable, const char* script, SkScalar* result) {
330 SkAnimatorScript engine(maker, displayable, SkType_Float);
331 SkScriptValue value;
332 bool success = engine.evaluate(script, &value, SkType_Float);
333 if (success)
334 *result = value.fOperand.fScalar;
335 return success;
336 }
337
EvaluateString(SkAnimateMaker & maker,SkDisplayable * displayable,const char * script,SkString * result)338 bool SkAnimatorScript::EvaluateString(SkAnimateMaker& maker, SkDisplayable* displayable, const char* script, SkString* result) {
339 SkAnimatorScript engine(maker, displayable, SkType_String);
340 SkScriptValue value;
341 bool success = engine.evaluate(script, &value, SkType_String);
342 if (success)
343 result->set(*(value.fOperand.fString));
344 return success;
345 }
346
EvaluateString(SkAnimateMaker & maker,SkDisplayable * displayable,SkDisplayable * parent,const char * script,SkString * result)347 bool SkAnimatorScript::EvaluateString(SkAnimateMaker& maker, SkDisplayable* displayable, SkDisplayable* parent, const char* script, SkString* result) {
348 SkAnimatorScript engine(maker, displayable, SkType_String);
349 engine.fParent = parent;
350 SkScriptValue value;
351 bool success = engine.evaluate(script, &value, SkType_String);
352 if (success)
353 result->set(*(value.fOperand.fString));
354 return success;
355 }
356
GetEnumValues(SkDisplayTypes type)357 const SkDisplayEnumMap& SkAnimatorScript::GetEnumValues(SkDisplayTypes type) {
358 int index = SkTSearch<SkDisplayTypes>(&gEnumMaps[0].fType, gEnumMapCount, type,
359 sizeof(SkDisplayEnumMap));
360 SkASSERT(index >= 0);
361 return gEnumMaps[index];
362 }
363
Infinity(const char * token,size_t len,void * user,SkScriptValue * value)364 bool SkAnimatorScript::Infinity(const char* token, size_t len, void* user, SkScriptValue* value) {
365 if (SK_LITERAL_STR_EQUAL("Infinity", token, len) == false)
366 return false;
367 value->fType = SkType_Float;
368 value->fOperand.fScalar = SK_ScalarInfinity;
369 return true;
370 }
371
IsFinite(const char * function,size_t len,SkTDArray<SkScriptValue> & params,void * eng,SkScriptValue * value)372 bool SkAnimatorScript::IsFinite(const char* function, size_t len, SkTDArray<SkScriptValue>& params,
373 void* eng, SkScriptValue* value) {
374 if (SK_LITERAL_STR_EQUAL(function, "isFinite", len) == false)
375 return false;
376 if (params.count() != 1)
377 return false;
378 SkScriptValue* scriptValue = params.begin();
379 SkDisplayTypes type = scriptValue->fType;
380 SkScalar scalar = scriptValue->fOperand.fScalar;
381 value->fType = SkType_Int;
382 value->fOperand.fS32 = type == SkType_Float ? SkScalarIsNaN(scalar) == false &&
383 SkScalarAbs(scalar) != SK_ScalarInfinity : type == SkType_Int;
384 return true;
385 }
386
IsNaN(const char * function,size_t len,SkTDArray<SkScriptValue> & params,void * eng,SkScriptValue * value)387 bool SkAnimatorScript::IsNaN(const char* function, size_t len, SkTDArray<SkScriptValue>& params,
388 void* eng, SkScriptValue* value) {
389 if (SK_LITERAL_STR_EQUAL("isNaN", function, len) == false)
390 return false;
391 if (params.count() != 1)
392 return false;
393 SkScriptValue* scriptValue = params.begin();
394 value->fType = SkType_Int;
395 value->fOperand.fS32 = scriptValue->fType == SkType_Float ? SkScalarIsNaN(scriptValue->fOperand.fScalar) : 0;
396 return true;
397 }
398
MapEnums(const char * ptr,const char * match,size_t len,int * value)399 bool SkAnimatorScript::MapEnums(const char* ptr, const char* match, size_t len, int* value) {
400 int index = 0;
401 bool more = true;
402 do {
403 const char* last = strchr(ptr, '|');
404 if (last == nullptr) {
405 last = &ptr[strlen(ptr)];
406 more = false;
407 }
408 size_t length = last - ptr;
409 if (len == length && strncmp(ptr, match, length) == 0) {
410 *value = index;
411 return true;
412 }
413 index++;
414 ptr = last + 1;
415 } while (more);
416 return false;
417 }
418
NaN(const char * token,size_t len,void * user,SkScriptValue * value)419 bool SkAnimatorScript::NaN(const char* token, size_t len, void* user, SkScriptValue* value) {
420 if (SK_LITERAL_STR_EQUAL("NaN", token, len) == false)
421 return false;
422 value->fType = SkType_Float;
423 value->fOperand.fScalar = SK_ScalarNaN;
424 return true;
425 }
426
427 #if 0
428 bool SkAnimatorScript::ObjectToString(void* object, void* user, SkScriptValue* value) {
429 SkTDict<SkDisplayable*>* ids = (SkTDict<SkDisplayable*>*) user;
430 SkDisplayable* displayable = (SkDisplayable*) object;
431 const char* key;
432 bool success = ids->findKey(displayable, &key);
433 if (success == false)
434 return false;
435 value->fOperand.fString = new SkString(key);
436 value->fType = SkType_String;
437 return true;
438 }
439 #endif
440
Unbox(void * m,SkScriptValue * scriptValue)441 bool SkAnimatorScript::Unbox(void* m, SkScriptValue* scriptValue) {
442 SkAnimateMaker* maker = (SkAnimateMaker*) m;
443 SkASSERT((unsigned) scriptValue->fType == (unsigned) SkType_Displayable);
444 SkDisplayable* displayable = (SkDisplayable*) scriptValue->fOperand.fObject;
445 SkDisplayTypes type = displayable->getType();
446 switch (displayable->getType()) {
447 case SkType_Array: {
448 SkDisplayArray* boxedValue = (SkDisplayArray*) displayable;
449 scriptValue->fOperand.fArray = &boxedValue->values;
450 } break;
451 case SkType_Boolean: {
452 SkDisplayBoolean* boxedValue = (SkDisplayBoolean*) displayable;
453 scriptValue->fOperand.fS32 = boxedValue->value;
454 } break;
455 case SkType_Int: {
456 SkDisplayInt* boxedValue = (SkDisplayInt*) displayable;
457 scriptValue->fOperand.fS32 = boxedValue->value;
458 } break;
459 case SkType_Float: {
460 SkDisplayFloat* boxedValue = (SkDisplayFloat*) displayable;
461 scriptValue->fOperand.fScalar = boxedValue->value;
462 } break;
463 case SkType_String: {
464 SkDisplayString* boxedValue = (SkDisplayString*) displayable;
465 scriptValue->fOperand.fString = new SkString(boxedValue->value);
466 } break;
467 default: {
468 const char* id = nullptr;
469 SkDEBUGCODE(bool success = ) maker->findKey(displayable, &id);
470 SkASSERT(success);
471 scriptValue->fOperand.fString = new SkString(id);
472 type = SkType_String;
473 }
474 }
475 scriptValue->fType = type;
476 return true;
477 }
478
479 #if defined SK_SUPPORT_UNITTEST
480
481 #include "SkAnimator.h"
482
483 static const char scriptTestSetup[] =
484 "<screenplay>\n"
485 "<text id='label' text='defg'/>\n"
486 "<add id='addLabel' use='label'/>\n"
487 "<text id='text1' text='test'/>\n"
488 "<apply scope='addLabel'>\n"
489 "<set target='label' field='text' to='#script:text1.text'/>\n"
490 "</apply>\n"
491 "<apply>\n"
492 "<paint id='labelPaint'>\n"
493 "<emboss id='emboss' direction='[1,1,1]' />\n"
494 "</paint>\n"
495 "<animate id='animation' field='direction' target='emboss' from='[1,1,1]' to='[-1,1,1]' dur='1'/>\n"
496 "<set lval='direction[0]' target='emboss' to='-1' />\n"
497 "</apply>\n"
498 "<color id='testColor' color='0 ? rgb(0,0,0) : rgb(255,255,255)' />\n"
499 "<color id='xColor' color='rgb(12,34,56)' />\n"
500 "<array id='emptyArray' />\n"
501 "<array id='intArray' values='[1, 4, 6]' />\n"
502 "<int id='idx' value='2' />\n"
503 "<int id='idy' value='2' />\n"
504 "<string id='alpha' value='abc' />\n"
505 "<rect id='testRect' left='Math.cos(0)' top='2' right='12' bottom='5' />\n"
506 "<event id='evt'>\n"
507 "<input name='x' />\n"
508 "<apply scope='idy'>\n"
509 "<set field='value' to='evt.x.int' />\n"
510 "</apply>\n"
511 "</event>\n"
512 "</screenplay>";
513
514 #define DEFAULT_ANSWER , 0
515
516 static const SkScriptNAnswer scriptTests[] = {
517 { "label.text.length == 4", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
518 // { "labelPaint.measureText(label.text) > 0 ? labelPaint.measureText(label.text)+10 : 40", SkType_Float, 0, SkIntToScalar(0x23) },
519 { "Number.POSITIVE_INFINITY >= Number.MAX_VALUE ? 1 : 0", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
520 { "Infinity >= Number.MAX_VALUE ? 1 : 0", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
521 { "Number.NEGATIVE_INFINITY <= -Number.MAX_VALUE ? 1 : 0", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
522 { "Number.MIN_VALUE > 0 ? 1 : 0", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
523 { "isNaN(Number.NaN)", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
524 { "isNaN(NaN)", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
525 { "Math.sin(0)", SkType_Float, 0, SkIntToScalar(0) DEFAULT_ANSWER },
526 { "alpha+alpha", SkType_String, 0, 0, "abcabc" },
527 { "intArray[4]", SkType_Unknown DEFAULT_ANSWER DEFAULT_ANSWER DEFAULT_ANSWER },
528 { "emptyArray[4]", SkType_Unknown DEFAULT_ANSWER DEFAULT_ANSWER DEFAULT_ANSWER },
529 { "idx", SkType_Int, 2 DEFAULT_ANSWER DEFAULT_ANSWER },
530 { "intArray.length", SkType_Int, 3 DEFAULT_ANSWER DEFAULT_ANSWER },
531 { "intArray.values[0]", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
532 { "intArray[0]", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
533 { "idx.value", SkType_Int, 2 DEFAULT_ANSWER DEFAULT_ANSWER },
534 { "alpha.value", SkType_String, 0, 0, "abc" },
535 { "alpha", SkType_String, 0, 0, "abc" },
536 { "alpha.value+alpha.value", SkType_String, 0, 0, "abcabc" },
537 { "alpha+idx", SkType_String, 0, 0, "abc2" },
538 { "idx+alpha", SkType_String, 0, 0, "2abc" },
539 { "intArray[idx]", SkType_Int, 6 DEFAULT_ANSWER DEFAULT_ANSWER },
540 { "alpha.slice(1,2)", SkType_String, 0, 0, "b" },
541 { "alpha.value.slice(1,2)", SkType_String, 0, 0, "b" },
542 { "testRect.left+2", SkType_Float, 0, SkIntToScalar(3) DEFAULT_ANSWER },
543 { "0 ? Math.sin(0) : 1", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
544 { "0 ? intArray[0] : 1", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
545 { "0 ? intArray.values[0] : 1", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
546 { "0 ? idx : 1", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
547 { "0 ? idx.value : 1", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
548 { "0 ? alpha.slice(1,2) : 1", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
549 { "0 ? alpha.value.slice(1,2) : 1", SkType_Int, 1 DEFAULT_ANSWER DEFAULT_ANSWER },
550 { "idy", SkType_Int, 3 DEFAULT_ANSWER DEFAULT_ANSWER }
551 };
552
553 #define SkScriptNAnswer_testCount SK_ARRAY_COUNT(scriptTests)
554
UnitTest()555 void SkAnimatorScript::UnitTest() {
556 #if defined(SK_SUPPORT_UNITTEST)
557 SkAnimator animator;
558 SkASSERT(animator.decodeMemory(scriptTestSetup, sizeof(scriptTestSetup)-1));
559 SkEvent evt;
560 evt.setString("id", "evt");
561 evt.setS32("x", 3);
562 animator.doUserEvent(evt);
563 // set up animator with memory script above, then run value tests
564 for (unsigned index = 0; index < SkScriptNAnswer_testCount; index++) {
565 SkAnimatorScript engine(*animator.fMaker, nullptr, scriptTests[index].fType);
566 SkScriptValue value;
567 const char* script = scriptTests[index].fScript;
568 bool success = engine.evaluateScript(&script, &value);
569 if (success == false) {
570 SkDebugf("script failed: %s\n", scriptTests[index].fScript);
571 SkASSERT(scriptTests[index].fType == SkType_Unknown);
572 continue;
573 }
574 SkASSERT(value.fType == scriptTests[index].fType);
575 SkScalar error;
576 switch (value.fType) {
577 case SkType_Int:
578 SkASSERT(value.fOperand.fS32 == scriptTests[index].fIntAnswer);
579 break;
580 case SkType_Float:
581 error = SkScalarAbs(value.fOperand.fScalar - scriptTests[index].fScalarAnswer);
582 SkASSERT(error < SK_Scalar1 / 10000);
583 break;
584 case SkType_String:
585 SkASSERT(strcmp(value.fOperand.fString->c_str(), scriptTests[index].fStringAnswer) == 0);
586 break;
587 default:
588 SkASSERT(0);
589 }
590 }
591 #endif
592 }
593
594 #endif
595