michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #include <jsapi.h>
michael@0: #include "SkJS.h"
michael@0: #include "SkDisplayType.h"
michael@0: //#include "SkAnimateColor.h"
michael@0: #include "SkAnimateMaker.h"
michael@0: #include "SkAnimateSet.h"
michael@0: //#include "SkAnimateTransform.h"
michael@0: #include "SkCanvas.h"
michael@0: //#include "SkDimensions.h"
michael@0: #include "SkDisplayAdd.h"
michael@0: #include "SkDisplayApply.h"
michael@0: //#include "SkDisplayBefore.h"
michael@0: #include "SkDisplayEvent.h"
michael@0: //#include "SkDisplayFocus.h"
michael@0: #include "SkDisplayInclude.h"
michael@0: #include "SkDisplayPost.h"
michael@0: #include "SkDisplayRandom.h"
michael@0: #include "SkDraw3D.h"
michael@0: #include "SkDrawBitmap.h"
michael@0: #include "SkDrawClip.h"
michael@0: #include "SkDrawDash.h"
michael@0: #include "SkDrawDiscrete.h"
michael@0: #include "SkDrawEmboss.h"
michael@0: //#include "SkDrawFont.h"
michael@0: #include "SkDrawFull.h"
michael@0: #include "SkDrawGradient.h"
michael@0: #include "SkDrawLine.h"
michael@0: //#include "SkDrawMaskFilter.h"
michael@0: #include "SkDrawMatrix.h"
michael@0: #include "SkDrawOval.h"
michael@0: #include "SkDrawPaint.h"
michael@0: #include "SkDrawPath.h"
michael@0: #include "SkDrawPoint.h"
michael@0: // #include "SkDrawStroke.h"
michael@0: #include "SkDrawText.h"
michael@0: #include "SkDrawTo.h"
michael@0: //#include "SkDrawTransferMode.h"
michael@0: #include "SkDrawTransparentShader.h"
michael@0: //#include "SkDrawUse.h"
michael@0: #include "SkMatrixParts.h"
michael@0: #include "SkPathParts.h"
michael@0: #include "SkPostParts.h"
michael@0: #include "SkScript.h"
michael@0: #include "SkSnapshot.h"
michael@0: #include "SkTextOnPath.h"
michael@0: #include "SkTextToPath.h"
michael@0: 
michael@0: 
michael@0: class SkJSDisplayable {
michael@0: public:
michael@0:     SkJSDisplayable() : fDisplayable(NULL) {}
michael@0:     ~SkJSDisplayable() { delete fDisplayable; }
michael@0:     static void Destructor(JSContext *cx, JSObject *obj);
michael@0:     static JSBool GetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
michael@0:     static JSBool SetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
michael@0:     static SkCanvas* gCanvas;
michael@0:     static SkPaint* gPaint;
michael@0:     static JSBool Draw(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
michael@0:     SkDisplayable* fDisplayable;
michael@0: };
michael@0: 
michael@0: SkCanvas* SkJSDisplayable::gCanvas;
michael@0: SkPaint* SkJSDisplayable::gPaint;
michael@0: 
michael@0: JSBool SkJSDisplayable::Draw(JSContext *cx, JSObject *obj, uintN argc,
michael@0:                                     jsval *argv, jsval *rval)
michael@0: {
michael@0:     SkJSDisplayable *p = (SkJSDisplayable*) JS_GetPrivate(cx, obj);
michael@0:     SkASSERT(p->fDisplayable->isDrawable());
michael@0:     SkDrawable* drawable = (SkDrawable*) p->fDisplayable;
michael@0:     SkAnimateMaker maker(NULL, gCanvas, gPaint);
michael@0:     drawable->draw(maker);
michael@0:     return JS_TRUE;
michael@0: }
michael@0: 
michael@0: 
michael@0: JSFunctionSpec SkJSDisplayable_methods[] =
michael@0: {
michael@0:     { "draw", SkJSDisplayable::Draw, 1, 0, 0 },
michael@0:     { 0 }
michael@0: };
michael@0: 
michael@0: static JSPropertySpec* gDisplayableProperties[kNumberOfTypes];
michael@0: static JSClass gDisplayableClasses[kNumberOfTypes];
michael@0: 
michael@0: #define JS_INIT(_prefix, _class) \
michael@0: static JSBool _class##Constructor(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { \
michael@0:     SkJSDisplayable* jsDisplayable = new SkJSDisplayable(); \
michael@0:     jsDisplayable->fDisplayable = new _prefix##_class(); \
michael@0:     JS_SetPrivate(cx, obj, (void*) jsDisplayable); \
michael@0:     return JS_TRUE; \
michael@0: } \
michael@0:     \
michael@0: static JSObject* _class##Init(JSContext *cx, JSObject *obj, JSObject *proto) { \
michael@0:     JSObject *newProtoObj = JS_InitClass(cx, obj, proto, &gDisplayableClasses[SkType_##_class], \
michael@0:         _class##Constructor, 0, \
michael@0:         NULL, SkJSDisplayable_methods , \
michael@0:         NULL, NULL); \
michael@0:     JS_DefineProperties(cx, newProtoObj, gDisplayableProperties[SkType_##_class]); \
michael@0:     return newProtoObj; \
michael@0: }
michael@0: 
michael@0: JS_INIT(Sk, Add)
michael@0: JS_INIT(Sk, AddCircle)
michael@0: JS_INIT(Sk, AddOval)
michael@0: JS_INIT(Sk, AddPath)
michael@0: JS_INIT(Sk, AddRectangle)
michael@0: JS_INIT(Sk, AddRoundRect)
michael@0: //JS_INIT(Sk, After)
michael@0: JS_INIT(Sk, Apply)
michael@0: // JS_INIT(Sk, Animate)
michael@0: //JS_INIT(Sk, AnimateColor)
michael@0: JS_INIT(Sk, AnimateField)
michael@0: //JS_INIT(Sk, AnimateRotate)
michael@0: //JS_INIT(Sk, AnimateScale)
michael@0: //JS_INIT(Sk, AnimateTranslate)
michael@0: JS_INIT(SkDraw, Bitmap)
michael@0: JS_INIT(Sk, BaseBitmap)
michael@0: //JS_INIT(Sk, Before)
michael@0: JS_INIT(SkDraw, BitmapShader)
michael@0: JS_INIT(SkDraw, Blur)
michael@0: JS_INIT(SkDraw, Clip)
michael@0: JS_INIT(SkDraw, Color)
michael@0: JS_INIT(Sk, CubicTo)
michael@0: JS_INIT(Sk, Dash)
michael@0: JS_INIT(Sk, Data)
michael@0: //JS_INIT(Sk, Dimensions)
michael@0: JS_INIT(Sk, Discrete)
michael@0: JS_INIT(Sk, DrawTo)
michael@0: JS_INIT(SkDraw, Emboss)
michael@0: JS_INIT(SkDisplay, Event)
michael@0: // JS_INIT(SkDraw, Font)
michael@0: // JS_INIT(Sk, Focus)
michael@0: JS_INIT(Sk, Image)
michael@0: JS_INIT(Sk, Include)
michael@0: // JS_INIT(Sk, Input)
michael@0: JS_INIT(Sk, Line)
michael@0: JS_INIT(Sk, LinearGradient)
michael@0: JS_INIT(Sk, LineTo)
michael@0: JS_INIT(SkDraw, Matrix)
michael@0: JS_INIT(Sk, Move)
michael@0: JS_INIT(Sk, MoveTo)
michael@0: JS_INIT(Sk, Oval)
michael@0: JS_INIT(SkDraw, Path)
michael@0: JS_INIT(SkDraw, Paint)
michael@0: JS_INIT(Sk, DrawPoint)
michael@0: JS_INIT(Sk, PolyToPoly)
michael@0: JS_INIT(Sk, Polygon)
michael@0: JS_INIT(Sk, Polyline)
michael@0: JS_INIT(Sk, Post)
michael@0: JS_INIT(Sk, QuadTo)
michael@0: JS_INIT(Sk, RadialGradient)
michael@0: JS_INIT(SkDisplay, Random)
michael@0: JS_INIT(Sk, RectToRect)
michael@0: JS_INIT(Sk, Rectangle)
michael@0: JS_INIT(Sk, Remove)
michael@0: JS_INIT(Sk, Replace)
michael@0: JS_INIT(Sk, Rotate)
michael@0: JS_INIT(Sk, RoundRect)
michael@0: JS_INIT(Sk, Scale)
michael@0: JS_INIT(Sk, Set)
michael@0: JS_INIT(Sk, Skew)
michael@0: // JS_INIT(Sk, 3D_Camera)
michael@0: // JS_INIT(Sk, 3D_Patch)
michael@0: JS_INIT(Sk, Snapshot)
michael@0: // JS_INIT(SkDraw, Stroke)
michael@0: JS_INIT(Sk, Text)
michael@0: JS_INIT(Sk, TextOnPath)
michael@0: JS_INIT(Sk, TextToPath)
michael@0: JS_INIT(Sk, Translate)
michael@0: //JS_INIT(Sk, Use)
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: static void GenerateTables() {
michael@0:     for (int index = 0; index < kTypeNamesSize; index++) {
michael@0:         int infoCount;
michael@0:         SkDisplayTypes type = gTypeNames[index].fType;
michael@0:         const SkMemberInfo* info = SkDisplayType::GetMembers(NULL /* fMaker */, type, &infoCount);
michael@0:         if (info == NULL)
michael@0:             continue;
michael@0:         gDisplayableProperties[type] = new JSPropertySpec[infoCount + 1];
michael@0:         JSPropertySpec* propertySpec = gDisplayableProperties[type];
michael@0:         memset(propertySpec, 0, sizeof (JSPropertySpec) * (infoCount + 1));
michael@0:         for (int inner = 0; inner < infoCount; inner++) {
michael@0:             if (info[inner].fType == SkType_BaseClassInfo)
michael@0:                 continue;
michael@0:             propertySpec[inner].name = info[inner].fName;
michael@0:             propertySpec[inner].tinyid = inner;
michael@0:             propertySpec[inner].flags = JSPROP_ENUMERATE;
michael@0:         }
michael@0:         gDisplayableClasses[type].name = gTypeNames[index].fName;
michael@0:         gDisplayableClasses[type].flags = JSCLASS_HAS_PRIVATE;
michael@0:         gDisplayableClasses[type].addProperty = JS_PropertyStub;
michael@0:         gDisplayableClasses[type].delProperty = JS_PropertyStub;
michael@0:         gDisplayableClasses[type].getProperty = SkJSDisplayable::GetProperty;
michael@0:         gDisplayableClasses[type].setProperty = SkJSDisplayable::SetProperty;
michael@0:         gDisplayableClasses[type].enumerate = JS_EnumerateStub;
michael@0:         gDisplayableClasses[type].resolve = JS_ResolveStub;
michael@0:         gDisplayableClasses[type].convert = JS_ConvertStub;
michael@0:         gDisplayableClasses[type].finalize = SkJSDisplayable::Destructor;
michael@0:     }
michael@0: }
michael@0: #endif
michael@0: 
michael@0: void SkJSDisplayable::Destructor(JSContext *cx, JSObject *obj) {
michael@0:     delete (SkJSDisplayable*) JS_GetPrivate(cx, obj);
michael@0: }
michael@0: 
michael@0: JSBool SkJSDisplayable::GetProperty(JSContext *cx, JSObject *obj, jsval id,
michael@0:                                  jsval *vp)
michael@0: {
michael@0:     if (JSVAL_IS_INT(id) == 0)
michael@0:         return JS_TRUE;
michael@0:     SkJSDisplayable *p = (SkJSDisplayable *) JS_GetPrivate(cx, obj);
michael@0:     SkDisplayable* displayable = p->fDisplayable;
michael@0:     SkDisplayTypes displayableType = displayable->getType();
michael@0:     int members;
michael@0:     const SkMemberInfo* info = SkDisplayType::GetMembers(NULL /* fMaker */, displayableType, &members);
michael@0:     int idIndex = JSVAL_TO_INT(id);
michael@0:     SkASSERT(idIndex >= 0 && idIndex < members);
michael@0:     info = &info[idIndex];
michael@0:     SkDisplayTypes infoType = (SkDisplayTypes) info->fType;
michael@0:     SkScalar scalar = 0;
michael@0:     S32 s32 = 0;
michael@0:     SkString* string= NULL;
michael@0:     JSString *str;
michael@0:     if (infoType == SkType_MemberProperty) {
michael@0:         infoType = info->propertyType();
michael@0:         switch (infoType) {
michael@0:             case SkType_Scalar: {
michael@0:                 SkScriptValue scriptValue;
michael@0:                 bool success = displayable->getProperty(info->propertyIndex(), &scriptValue);
michael@0:                 SkASSERT(scriptValue.fType == SkType_Scalar);
michael@0:                 scalar = scriptValue.fOperand.fScalar;
michael@0:                 } break;
michael@0:             default:
michael@0:                 SkASSERT(0); // !!! unimplemented
michael@0:         }
michael@0:     } else {
michael@0:         SkASSERT(info->fCount == 1);
michael@0:         switch (infoType) {
michael@0:             case SkType_Boolean:
michael@0:             case SkType_Color:
michael@0:             case SkType_S32:
michael@0:                 s32 = *(S32*) info->memberData(displayable);
michael@0:                 break;
michael@0:             case SkType_String:
michael@0:                 info->getString(displayable, &string);
michael@0:                 break;
michael@0:             case SkType_Scalar:
michael@0:                 SkOperand operand;
michael@0:                 info->getValue(displayable, &operand, 1);
michael@0:                 scalar = operand.fScalar;
michael@0:                 break;
michael@0:             default:
michael@0:                 SkASSERT(0); // !!! unimplemented
michael@0:         }
michael@0:     }
michael@0:     switch (infoType) {
michael@0:         case SkType_Boolean:
michael@0:             *vp = BOOLEAN_TO_JSVAL(s32);
michael@0:             break;
michael@0:         case SkType_Color:
michael@0:         case SkType_S32:
michael@0:             *vp = INT_TO_JSVAL(s32);
michael@0:             break;
michael@0:         case SkType_Scalar:
michael@0:             if (SkScalarFraction(scalar) == 0)
michael@0:                 *vp = INT_TO_JSVAL(SkScalarFloor(scalar));
michael@0:             else
michael@0:             *vp = DOUBLE_TO_JSVAL(scalar);
michael@0:             break;
michael@0:         case SkType_String:
michael@0:             str = JS_NewStringCopyN(cx, string->c_str(), string->size());
michael@0:             *vp = STRING_TO_JSVAL(str);
michael@0:             break;
michael@0:         default:
michael@0:             SkASSERT(0); // !!! unimplemented
michael@0:     }
michael@0:     return JS_TRUE;
michael@0: }
michael@0: 
michael@0: JSBool SkJSDisplayable::SetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp) {
michael@0:     if (JSVAL_IS_INT(id) == 0)
michael@0:         return JS_TRUE;
michael@0:     SkJSDisplayable *p = (SkJSDisplayable *) JS_GetPrivate(cx, obj);
michael@0:     SkDisplayable* displayable = p->fDisplayable;
michael@0:     SkDisplayTypes displayableType = displayable->getType();
michael@0:     int members;
michael@0:     const SkMemberInfo* info = SkDisplayType::GetMembers(NULL /* fMaker */, displayableType, &members);
michael@0:     int idIndex = JSVAL_TO_INT(id);
michael@0:     SkASSERT(idIndex >= 0 && idIndex < members);
michael@0:     info = &info[idIndex];
michael@0:     SkDisplayTypes infoType = info->getType();
michael@0:     SkScalar scalar = 0;
michael@0:     S32 s32 = 0;
michael@0:     SkString string;
michael@0:     JSString* str;
michael@0:     jsval value = *vp;
michael@0:     switch (infoType) {
michael@0:         case SkType_Boolean:
michael@0:             s32 = JSVAL_TO_BOOLEAN(value);
michael@0:             break;
michael@0:         case SkType_Color:
michael@0:         case SkType_S32:
michael@0:             s32 = JSVAL_TO_INT(value);
michael@0:             break;
michael@0:         case SkType_Scalar:
michael@0:             if (JSVAL_IS_INT(value))
michael@0:                 scalar = SkIntToScalar(JSVAL_TO_INT(value));
michael@0:             else {
michael@0:                 SkASSERT(JSVAL_IS_DOUBLE(value));
michael@0:                 scalar = (float) *(double*) JSVAL_TO_DOUBLE(value);
michael@0:             }
michael@0:             break;
michael@0:         case SkType_String:
michael@0:             str = JS_ValueToString(cx, value);
michael@0:             string.set(JS_GetStringBytes(str));
michael@0:             break;
michael@0:         default:
michael@0:             SkASSERT(0); // !!! unimplemented
michael@0:     }
michael@0:     if (info->fType == SkType_MemberProperty) {
michael@0:         switch (infoType) {
michael@0:             case SkType_Scalar: {
michael@0:                 SkScriptValue scriptValue;
michael@0:                 scriptValue.fType = SkType_Scalar;
michael@0:                 scriptValue.fOperand.fScalar = scalar;
michael@0:                 displayable->setProperty(-1 - (int) info->fOffset, scriptValue);
michael@0:                 } break;
michael@0:             default:
michael@0:                 SkASSERT(0); // !!! unimplemented
michael@0:         }
michael@0:     } else {
michael@0:         SkASSERT(info->fCount == 1);
michael@0:         switch (infoType) {
michael@0:             case SkType_Boolean:
michael@0:             case SkType_Color:
michael@0:             case SkType_S32:
michael@0:                 s32 = *(S32*) ((const char*) displayable + info->fOffset);
michael@0:                 break;
michael@0:             case SkType_String:
michael@0:                 info->setString(displayable, &string);
michael@0:                 break;
michael@0:             case SkType_Scalar:
michael@0:                 SkOperand operand;
michael@0:                 operand.fScalar = scalar;
michael@0:                 info->setValue(displayable, &operand, 1);
michael@0:                 break;
michael@0:             default:
michael@0:                 SkASSERT(0); // !!! unimplemented
michael@0:         }
michael@0:     }
michael@0:     return JS_TRUE;
michael@0: }
michael@0: 
michael@0: void SkJS::InitializeDisplayables(const SkBitmap& bitmap, JSContext *cx, JSObject *obj, JSObject *proto) {
michael@0:     SkJSDisplayable::gCanvas = new SkCanvas(bitmap);
michael@0:     SkJSDisplayable::gPaint = new SkPaint();
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0:     GenerateTables();
michael@0: #else
michael@0:     SkASSERT(0); // !!! compressed version hasn't been implemented
michael@0: #endif
michael@0:     AddInit(cx, obj, proto);
michael@0:     AddCircleInit(cx, obj, proto);
michael@0:     AddOvalInit(cx, obj, proto);
michael@0:     AddPathInit(cx, obj, proto);
michael@0:     AddRectangleInit(cx, obj, proto);
michael@0:     AddRoundRectInit(cx, obj, proto);
michael@0: //  AfterInit(cx, obj, proto);
michael@0:     ApplyInit(cx, obj, proto);
michael@0:     // AnimateInit(cx, obj, proto);
michael@0: //  AnimateColorInit(cx, obj, proto);
michael@0:     AnimateFieldInit(cx, obj, proto);
michael@0: //  AnimateRotateInit(cx, obj, proto);
michael@0: //  AnimateScaleInit(cx, obj, proto);
michael@0: //  AnimateTranslateInit(cx, obj, proto);
michael@0:     BitmapInit(cx, obj, proto);
michael@0: //  BaseBitmapInit(cx, obj, proto);
michael@0: //  BeforeInit(cx, obj, proto);
michael@0:     BitmapShaderInit(cx, obj, proto);
michael@0:     BlurInit(cx, obj, proto);
michael@0:     ClipInit(cx, obj, proto);
michael@0:     ColorInit(cx, obj, proto);
michael@0:     CubicToInit(cx, obj, proto);
michael@0:     DashInit(cx, obj, proto);
michael@0:     DataInit(cx, obj, proto);
michael@0: //  DimensionsInit(cx, obj, proto);
michael@0:     DiscreteInit(cx, obj, proto);
michael@0:     DrawToInit(cx, obj, proto);
michael@0:     EmbossInit(cx, obj, proto);
michael@0:     EventInit(cx, obj, proto);
michael@0: //  FontInit(cx, obj, proto);
michael@0: //  FocusInit(cx, obj, proto);
michael@0:     ImageInit(cx, obj, proto);
michael@0:     IncludeInit(cx, obj, proto);
michael@0: //  InputInit(cx, obj, proto);
michael@0:     LineInit(cx, obj, proto);
michael@0:     LinearGradientInit(cx, obj, proto);
michael@0:     LineToInit(cx, obj, proto);
michael@0:     MatrixInit(cx, obj, proto);
michael@0:     MoveInit(cx, obj, proto);
michael@0:     MoveToInit(cx, obj, proto);
michael@0:     OvalInit(cx, obj, proto);
michael@0:     PathInit(cx, obj, proto);
michael@0:     PaintInit(cx, obj, proto);
michael@0:     DrawPointInit(cx, obj, proto);
michael@0:     PolyToPolyInit(cx, obj, proto);
michael@0:     PolygonInit(cx, obj, proto);
michael@0:     PolylineInit(cx, obj, proto);
michael@0:     PostInit(cx, obj, proto);
michael@0:     QuadToInit(cx, obj, proto);
michael@0:     RadialGradientInit(cx, obj, proto);
michael@0:     RandomInit(cx, obj, proto);
michael@0:     RectToRectInit(cx, obj, proto);
michael@0:     RectangleInit(cx, obj, proto);
michael@0:     RemoveInit(cx, obj, proto);
michael@0:     ReplaceInit(cx, obj, proto);
michael@0:     RotateInit(cx, obj, proto);
michael@0:     RoundRectInit(cx, obj, proto);
michael@0:     ScaleInit(cx, obj, proto);
michael@0:     SetInit(cx, obj, proto);
michael@0:     SkewInit(cx, obj, proto);
michael@0:     // 3D_CameraInit(cx, obj, proto);
michael@0:     // 3D_PatchInit(cx, obj, proto);
michael@0:     SnapshotInit(cx, obj, proto);
michael@0: //  StrokeInit(cx, obj, proto);
michael@0:     TextInit(cx, obj, proto);
michael@0:     TextOnPathInit(cx, obj, proto);
michael@0:     TextToPathInit(cx, obj, proto);
michael@0:     TranslateInit(cx, obj, proto);
michael@0: //  UseInit(cx, obj, proto);
michael@0: }
michael@0: 
michael@0: void SkJS::DisposeDisplayables() {
michael@0:     delete SkJSDisplayable::gPaint;
michael@0:     delete SkJSDisplayable::gCanvas;
michael@0:     for (int index = 0; index < kTypeNamesSize; index++) {
michael@0:         SkDisplayTypes type = gTypeNames[index].fType;
michael@0:         delete[] gDisplayableProperties[type];
michael@0:     }
michael@0: }