1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/xml/SkJSDisplayable.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,452 @@
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 <jsapi.h>
1.14 +#include "SkJS.h"
1.15 +#include "SkDisplayType.h"
1.16 +//#include "SkAnimateColor.h"
1.17 +#include "SkAnimateMaker.h"
1.18 +#include "SkAnimateSet.h"
1.19 +//#include "SkAnimateTransform.h"
1.20 +#include "SkCanvas.h"
1.21 +//#include "SkDimensions.h"
1.22 +#include "SkDisplayAdd.h"
1.23 +#include "SkDisplayApply.h"
1.24 +//#include "SkDisplayBefore.h"
1.25 +#include "SkDisplayEvent.h"
1.26 +//#include "SkDisplayFocus.h"
1.27 +#include "SkDisplayInclude.h"
1.28 +#include "SkDisplayPost.h"
1.29 +#include "SkDisplayRandom.h"
1.30 +#include "SkDraw3D.h"
1.31 +#include "SkDrawBitmap.h"
1.32 +#include "SkDrawClip.h"
1.33 +#include "SkDrawDash.h"
1.34 +#include "SkDrawDiscrete.h"
1.35 +#include "SkDrawEmboss.h"
1.36 +//#include "SkDrawFont.h"
1.37 +#include "SkDrawFull.h"
1.38 +#include "SkDrawGradient.h"
1.39 +#include "SkDrawLine.h"
1.40 +//#include "SkDrawMaskFilter.h"
1.41 +#include "SkDrawMatrix.h"
1.42 +#include "SkDrawOval.h"
1.43 +#include "SkDrawPaint.h"
1.44 +#include "SkDrawPath.h"
1.45 +#include "SkDrawPoint.h"
1.46 +// #include "SkDrawStroke.h"
1.47 +#include "SkDrawText.h"
1.48 +#include "SkDrawTo.h"
1.49 +//#include "SkDrawTransferMode.h"
1.50 +#include "SkDrawTransparentShader.h"
1.51 +//#include "SkDrawUse.h"
1.52 +#include "SkMatrixParts.h"
1.53 +#include "SkPathParts.h"
1.54 +#include "SkPostParts.h"
1.55 +#include "SkScript.h"
1.56 +#include "SkSnapshot.h"
1.57 +#include "SkTextOnPath.h"
1.58 +#include "SkTextToPath.h"
1.59 +
1.60 +
1.61 +class SkJSDisplayable {
1.62 +public:
1.63 + SkJSDisplayable() : fDisplayable(NULL) {}
1.64 + ~SkJSDisplayable() { delete fDisplayable; }
1.65 + static void Destructor(JSContext *cx, JSObject *obj);
1.66 + static JSBool GetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
1.67 + static JSBool SetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
1.68 + static SkCanvas* gCanvas;
1.69 + static SkPaint* gPaint;
1.70 + static JSBool Draw(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
1.71 + SkDisplayable* fDisplayable;
1.72 +};
1.73 +
1.74 +SkCanvas* SkJSDisplayable::gCanvas;
1.75 +SkPaint* SkJSDisplayable::gPaint;
1.76 +
1.77 +JSBool SkJSDisplayable::Draw(JSContext *cx, JSObject *obj, uintN argc,
1.78 + jsval *argv, jsval *rval)
1.79 +{
1.80 + SkJSDisplayable *p = (SkJSDisplayable*) JS_GetPrivate(cx, obj);
1.81 + SkASSERT(p->fDisplayable->isDrawable());
1.82 + SkDrawable* drawable = (SkDrawable*) p->fDisplayable;
1.83 + SkAnimateMaker maker(NULL, gCanvas, gPaint);
1.84 + drawable->draw(maker);
1.85 + return JS_TRUE;
1.86 +}
1.87 +
1.88 +
1.89 +JSFunctionSpec SkJSDisplayable_methods[] =
1.90 +{
1.91 + { "draw", SkJSDisplayable::Draw, 1, 0, 0 },
1.92 + { 0 }
1.93 +};
1.94 +
1.95 +static JSPropertySpec* gDisplayableProperties[kNumberOfTypes];
1.96 +static JSClass gDisplayableClasses[kNumberOfTypes];
1.97 +
1.98 +#define JS_INIT(_prefix, _class) \
1.99 +static JSBool _class##Constructor(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { \
1.100 + SkJSDisplayable* jsDisplayable = new SkJSDisplayable(); \
1.101 + jsDisplayable->fDisplayable = new _prefix##_class(); \
1.102 + JS_SetPrivate(cx, obj, (void*) jsDisplayable); \
1.103 + return JS_TRUE; \
1.104 +} \
1.105 + \
1.106 +static JSObject* _class##Init(JSContext *cx, JSObject *obj, JSObject *proto) { \
1.107 + JSObject *newProtoObj = JS_InitClass(cx, obj, proto, &gDisplayableClasses[SkType_##_class], \
1.108 + _class##Constructor, 0, \
1.109 + NULL, SkJSDisplayable_methods , \
1.110 + NULL, NULL); \
1.111 + JS_DefineProperties(cx, newProtoObj, gDisplayableProperties[SkType_##_class]); \
1.112 + return newProtoObj; \
1.113 +}
1.114 +
1.115 +JS_INIT(Sk, Add)
1.116 +JS_INIT(Sk, AddCircle)
1.117 +JS_INIT(Sk, AddOval)
1.118 +JS_INIT(Sk, AddPath)
1.119 +JS_INIT(Sk, AddRectangle)
1.120 +JS_INIT(Sk, AddRoundRect)
1.121 +//JS_INIT(Sk, After)
1.122 +JS_INIT(Sk, Apply)
1.123 +// JS_INIT(Sk, Animate)
1.124 +//JS_INIT(Sk, AnimateColor)
1.125 +JS_INIT(Sk, AnimateField)
1.126 +//JS_INIT(Sk, AnimateRotate)
1.127 +//JS_INIT(Sk, AnimateScale)
1.128 +//JS_INIT(Sk, AnimateTranslate)
1.129 +JS_INIT(SkDraw, Bitmap)
1.130 +JS_INIT(Sk, BaseBitmap)
1.131 +//JS_INIT(Sk, Before)
1.132 +JS_INIT(SkDraw, BitmapShader)
1.133 +JS_INIT(SkDraw, Blur)
1.134 +JS_INIT(SkDraw, Clip)
1.135 +JS_INIT(SkDraw, Color)
1.136 +JS_INIT(Sk, CubicTo)
1.137 +JS_INIT(Sk, Dash)
1.138 +JS_INIT(Sk, Data)
1.139 +//JS_INIT(Sk, Dimensions)
1.140 +JS_INIT(Sk, Discrete)
1.141 +JS_INIT(Sk, DrawTo)
1.142 +JS_INIT(SkDraw, Emboss)
1.143 +JS_INIT(SkDisplay, Event)
1.144 +// JS_INIT(SkDraw, Font)
1.145 +// JS_INIT(Sk, Focus)
1.146 +JS_INIT(Sk, Image)
1.147 +JS_INIT(Sk, Include)
1.148 +// JS_INIT(Sk, Input)
1.149 +JS_INIT(Sk, Line)
1.150 +JS_INIT(Sk, LinearGradient)
1.151 +JS_INIT(Sk, LineTo)
1.152 +JS_INIT(SkDraw, Matrix)
1.153 +JS_INIT(Sk, Move)
1.154 +JS_INIT(Sk, MoveTo)
1.155 +JS_INIT(Sk, Oval)
1.156 +JS_INIT(SkDraw, Path)
1.157 +JS_INIT(SkDraw, Paint)
1.158 +JS_INIT(Sk, DrawPoint)
1.159 +JS_INIT(Sk, PolyToPoly)
1.160 +JS_INIT(Sk, Polygon)
1.161 +JS_INIT(Sk, Polyline)
1.162 +JS_INIT(Sk, Post)
1.163 +JS_INIT(Sk, QuadTo)
1.164 +JS_INIT(Sk, RadialGradient)
1.165 +JS_INIT(SkDisplay, Random)
1.166 +JS_INIT(Sk, RectToRect)
1.167 +JS_INIT(Sk, Rectangle)
1.168 +JS_INIT(Sk, Remove)
1.169 +JS_INIT(Sk, Replace)
1.170 +JS_INIT(Sk, Rotate)
1.171 +JS_INIT(Sk, RoundRect)
1.172 +JS_INIT(Sk, Scale)
1.173 +JS_INIT(Sk, Set)
1.174 +JS_INIT(Sk, Skew)
1.175 +// JS_INIT(Sk, 3D_Camera)
1.176 +// JS_INIT(Sk, 3D_Patch)
1.177 +JS_INIT(Sk, Snapshot)
1.178 +// JS_INIT(SkDraw, Stroke)
1.179 +JS_INIT(Sk, Text)
1.180 +JS_INIT(Sk, TextOnPath)
1.181 +JS_INIT(Sk, TextToPath)
1.182 +JS_INIT(Sk, Translate)
1.183 +//JS_INIT(Sk, Use)
1.184 +
1.185 +#if SK_USE_CONDENSED_INFO == 0
1.186 +static void GenerateTables() {
1.187 + for (int index = 0; index < kTypeNamesSize; index++) {
1.188 + int infoCount;
1.189 + SkDisplayTypes type = gTypeNames[index].fType;
1.190 + const SkMemberInfo* info = SkDisplayType::GetMembers(NULL /* fMaker */, type, &infoCount);
1.191 + if (info == NULL)
1.192 + continue;
1.193 + gDisplayableProperties[type] = new JSPropertySpec[infoCount + 1];
1.194 + JSPropertySpec* propertySpec = gDisplayableProperties[type];
1.195 + memset(propertySpec, 0, sizeof (JSPropertySpec) * (infoCount + 1));
1.196 + for (int inner = 0; inner < infoCount; inner++) {
1.197 + if (info[inner].fType == SkType_BaseClassInfo)
1.198 + continue;
1.199 + propertySpec[inner].name = info[inner].fName;
1.200 + propertySpec[inner].tinyid = inner;
1.201 + propertySpec[inner].flags = JSPROP_ENUMERATE;
1.202 + }
1.203 + gDisplayableClasses[type].name = gTypeNames[index].fName;
1.204 + gDisplayableClasses[type].flags = JSCLASS_HAS_PRIVATE;
1.205 + gDisplayableClasses[type].addProperty = JS_PropertyStub;
1.206 + gDisplayableClasses[type].delProperty = JS_PropertyStub;
1.207 + gDisplayableClasses[type].getProperty = SkJSDisplayable::GetProperty;
1.208 + gDisplayableClasses[type].setProperty = SkJSDisplayable::SetProperty;
1.209 + gDisplayableClasses[type].enumerate = JS_EnumerateStub;
1.210 + gDisplayableClasses[type].resolve = JS_ResolveStub;
1.211 + gDisplayableClasses[type].convert = JS_ConvertStub;
1.212 + gDisplayableClasses[type].finalize = SkJSDisplayable::Destructor;
1.213 + }
1.214 +}
1.215 +#endif
1.216 +
1.217 +void SkJSDisplayable::Destructor(JSContext *cx, JSObject *obj) {
1.218 + delete (SkJSDisplayable*) JS_GetPrivate(cx, obj);
1.219 +}
1.220 +
1.221 +JSBool SkJSDisplayable::GetProperty(JSContext *cx, JSObject *obj, jsval id,
1.222 + jsval *vp)
1.223 +{
1.224 + if (JSVAL_IS_INT(id) == 0)
1.225 + return JS_TRUE;
1.226 + SkJSDisplayable *p = (SkJSDisplayable *) JS_GetPrivate(cx, obj);
1.227 + SkDisplayable* displayable = p->fDisplayable;
1.228 + SkDisplayTypes displayableType = displayable->getType();
1.229 + int members;
1.230 + const SkMemberInfo* info = SkDisplayType::GetMembers(NULL /* fMaker */, displayableType, &members);
1.231 + int idIndex = JSVAL_TO_INT(id);
1.232 + SkASSERT(idIndex >= 0 && idIndex < members);
1.233 + info = &info[idIndex];
1.234 + SkDisplayTypes infoType = (SkDisplayTypes) info->fType;
1.235 + SkScalar scalar = 0;
1.236 + S32 s32 = 0;
1.237 + SkString* string= NULL;
1.238 + JSString *str;
1.239 + if (infoType == SkType_MemberProperty) {
1.240 + infoType = info->propertyType();
1.241 + switch (infoType) {
1.242 + case SkType_Scalar: {
1.243 + SkScriptValue scriptValue;
1.244 + bool success = displayable->getProperty(info->propertyIndex(), &scriptValue);
1.245 + SkASSERT(scriptValue.fType == SkType_Scalar);
1.246 + scalar = scriptValue.fOperand.fScalar;
1.247 + } break;
1.248 + default:
1.249 + SkASSERT(0); // !!! unimplemented
1.250 + }
1.251 + } else {
1.252 + SkASSERT(info->fCount == 1);
1.253 + switch (infoType) {
1.254 + case SkType_Boolean:
1.255 + case SkType_Color:
1.256 + case SkType_S32:
1.257 + s32 = *(S32*) info->memberData(displayable);
1.258 + break;
1.259 + case SkType_String:
1.260 + info->getString(displayable, &string);
1.261 + break;
1.262 + case SkType_Scalar:
1.263 + SkOperand operand;
1.264 + info->getValue(displayable, &operand, 1);
1.265 + scalar = operand.fScalar;
1.266 + break;
1.267 + default:
1.268 + SkASSERT(0); // !!! unimplemented
1.269 + }
1.270 + }
1.271 + switch (infoType) {
1.272 + case SkType_Boolean:
1.273 + *vp = BOOLEAN_TO_JSVAL(s32);
1.274 + break;
1.275 + case SkType_Color:
1.276 + case SkType_S32:
1.277 + *vp = INT_TO_JSVAL(s32);
1.278 + break;
1.279 + case SkType_Scalar:
1.280 + if (SkScalarFraction(scalar) == 0)
1.281 + *vp = INT_TO_JSVAL(SkScalarFloor(scalar));
1.282 + else
1.283 + *vp = DOUBLE_TO_JSVAL(scalar);
1.284 + break;
1.285 + case SkType_String:
1.286 + str = JS_NewStringCopyN(cx, string->c_str(), string->size());
1.287 + *vp = STRING_TO_JSVAL(str);
1.288 + break;
1.289 + default:
1.290 + SkASSERT(0); // !!! unimplemented
1.291 + }
1.292 + return JS_TRUE;
1.293 +}
1.294 +
1.295 +JSBool SkJSDisplayable::SetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp) {
1.296 + if (JSVAL_IS_INT(id) == 0)
1.297 + return JS_TRUE;
1.298 + SkJSDisplayable *p = (SkJSDisplayable *) JS_GetPrivate(cx, obj);
1.299 + SkDisplayable* displayable = p->fDisplayable;
1.300 + SkDisplayTypes displayableType = displayable->getType();
1.301 + int members;
1.302 + const SkMemberInfo* info = SkDisplayType::GetMembers(NULL /* fMaker */, displayableType, &members);
1.303 + int idIndex = JSVAL_TO_INT(id);
1.304 + SkASSERT(idIndex >= 0 && idIndex < members);
1.305 + info = &info[idIndex];
1.306 + SkDisplayTypes infoType = info->getType();
1.307 + SkScalar scalar = 0;
1.308 + S32 s32 = 0;
1.309 + SkString string;
1.310 + JSString* str;
1.311 + jsval value = *vp;
1.312 + switch (infoType) {
1.313 + case SkType_Boolean:
1.314 + s32 = JSVAL_TO_BOOLEAN(value);
1.315 + break;
1.316 + case SkType_Color:
1.317 + case SkType_S32:
1.318 + s32 = JSVAL_TO_INT(value);
1.319 + break;
1.320 + case SkType_Scalar:
1.321 + if (JSVAL_IS_INT(value))
1.322 + scalar = SkIntToScalar(JSVAL_TO_INT(value));
1.323 + else {
1.324 + SkASSERT(JSVAL_IS_DOUBLE(value));
1.325 + scalar = (float) *(double*) JSVAL_TO_DOUBLE(value);
1.326 + }
1.327 + break;
1.328 + case SkType_String:
1.329 + str = JS_ValueToString(cx, value);
1.330 + string.set(JS_GetStringBytes(str));
1.331 + break;
1.332 + default:
1.333 + SkASSERT(0); // !!! unimplemented
1.334 + }
1.335 + if (info->fType == SkType_MemberProperty) {
1.336 + switch (infoType) {
1.337 + case SkType_Scalar: {
1.338 + SkScriptValue scriptValue;
1.339 + scriptValue.fType = SkType_Scalar;
1.340 + scriptValue.fOperand.fScalar = scalar;
1.341 + displayable->setProperty(-1 - (int) info->fOffset, scriptValue);
1.342 + } break;
1.343 + default:
1.344 + SkASSERT(0); // !!! unimplemented
1.345 + }
1.346 + } else {
1.347 + SkASSERT(info->fCount == 1);
1.348 + switch (infoType) {
1.349 + case SkType_Boolean:
1.350 + case SkType_Color:
1.351 + case SkType_S32:
1.352 + s32 = *(S32*) ((const char*) displayable + info->fOffset);
1.353 + break;
1.354 + case SkType_String:
1.355 + info->setString(displayable, &string);
1.356 + break;
1.357 + case SkType_Scalar:
1.358 + SkOperand operand;
1.359 + operand.fScalar = scalar;
1.360 + info->setValue(displayable, &operand, 1);
1.361 + break;
1.362 + default:
1.363 + SkASSERT(0); // !!! unimplemented
1.364 + }
1.365 + }
1.366 + return JS_TRUE;
1.367 +}
1.368 +
1.369 +void SkJS::InitializeDisplayables(const SkBitmap& bitmap, JSContext *cx, JSObject *obj, JSObject *proto) {
1.370 + SkJSDisplayable::gCanvas = new SkCanvas(bitmap);
1.371 + SkJSDisplayable::gPaint = new SkPaint();
1.372 +#if SK_USE_CONDENSED_INFO == 0
1.373 + GenerateTables();
1.374 +#else
1.375 + SkASSERT(0); // !!! compressed version hasn't been implemented
1.376 +#endif
1.377 + AddInit(cx, obj, proto);
1.378 + AddCircleInit(cx, obj, proto);
1.379 + AddOvalInit(cx, obj, proto);
1.380 + AddPathInit(cx, obj, proto);
1.381 + AddRectangleInit(cx, obj, proto);
1.382 + AddRoundRectInit(cx, obj, proto);
1.383 +// AfterInit(cx, obj, proto);
1.384 + ApplyInit(cx, obj, proto);
1.385 + // AnimateInit(cx, obj, proto);
1.386 +// AnimateColorInit(cx, obj, proto);
1.387 + AnimateFieldInit(cx, obj, proto);
1.388 +// AnimateRotateInit(cx, obj, proto);
1.389 +// AnimateScaleInit(cx, obj, proto);
1.390 +// AnimateTranslateInit(cx, obj, proto);
1.391 + BitmapInit(cx, obj, proto);
1.392 +// BaseBitmapInit(cx, obj, proto);
1.393 +// BeforeInit(cx, obj, proto);
1.394 + BitmapShaderInit(cx, obj, proto);
1.395 + BlurInit(cx, obj, proto);
1.396 + ClipInit(cx, obj, proto);
1.397 + ColorInit(cx, obj, proto);
1.398 + CubicToInit(cx, obj, proto);
1.399 + DashInit(cx, obj, proto);
1.400 + DataInit(cx, obj, proto);
1.401 +// DimensionsInit(cx, obj, proto);
1.402 + DiscreteInit(cx, obj, proto);
1.403 + DrawToInit(cx, obj, proto);
1.404 + EmbossInit(cx, obj, proto);
1.405 + EventInit(cx, obj, proto);
1.406 +// FontInit(cx, obj, proto);
1.407 +// FocusInit(cx, obj, proto);
1.408 + ImageInit(cx, obj, proto);
1.409 + IncludeInit(cx, obj, proto);
1.410 +// InputInit(cx, obj, proto);
1.411 + LineInit(cx, obj, proto);
1.412 + LinearGradientInit(cx, obj, proto);
1.413 + LineToInit(cx, obj, proto);
1.414 + MatrixInit(cx, obj, proto);
1.415 + MoveInit(cx, obj, proto);
1.416 + MoveToInit(cx, obj, proto);
1.417 + OvalInit(cx, obj, proto);
1.418 + PathInit(cx, obj, proto);
1.419 + PaintInit(cx, obj, proto);
1.420 + DrawPointInit(cx, obj, proto);
1.421 + PolyToPolyInit(cx, obj, proto);
1.422 + PolygonInit(cx, obj, proto);
1.423 + PolylineInit(cx, obj, proto);
1.424 + PostInit(cx, obj, proto);
1.425 + QuadToInit(cx, obj, proto);
1.426 + RadialGradientInit(cx, obj, proto);
1.427 + RandomInit(cx, obj, proto);
1.428 + RectToRectInit(cx, obj, proto);
1.429 + RectangleInit(cx, obj, proto);
1.430 + RemoveInit(cx, obj, proto);
1.431 + ReplaceInit(cx, obj, proto);
1.432 + RotateInit(cx, obj, proto);
1.433 + RoundRectInit(cx, obj, proto);
1.434 + ScaleInit(cx, obj, proto);
1.435 + SetInit(cx, obj, proto);
1.436 + SkewInit(cx, obj, proto);
1.437 + // 3D_CameraInit(cx, obj, proto);
1.438 + // 3D_PatchInit(cx, obj, proto);
1.439 + SnapshotInit(cx, obj, proto);
1.440 +// StrokeInit(cx, obj, proto);
1.441 + TextInit(cx, obj, proto);
1.442 + TextOnPathInit(cx, obj, proto);
1.443 + TextToPathInit(cx, obj, proto);
1.444 + TranslateInit(cx, obj, proto);
1.445 +// UseInit(cx, obj, proto);
1.446 +}
1.447 +
1.448 +void SkJS::DisposeDisplayables() {
1.449 + delete SkJSDisplayable::gPaint;
1.450 + delete SkJSDisplayable::gCanvas;
1.451 + for (int index = 0; index < kTypeNamesSize; index++) {
1.452 + SkDisplayTypes type = gTypeNames[index].fType;
1.453 + delete[] gDisplayableProperties[type];
1.454 + }
1.455 +}
