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/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <jsapi.h>
#include "SkJS.h"
#include "SkDisplayType.h"
//#include "SkAnimateColor.h"
#include "SkAnimateMaker.h"
#include "SkAnimateSet.h"
//#include "SkAnimateTransform.h"
#include "SkCanvas.h"
//#include "SkDimensions.h"
#include "SkDisplayAdd.h"
#include "SkDisplayApply.h"
//#include "SkDisplayBefore.h"
#include "SkDisplayEvent.h"
//#include "SkDisplayFocus.h"
#include "SkDisplayInclude.h"
#include "SkDisplayPost.h"
#include "SkDisplayRandom.h"
#include "SkDraw3D.h"
#include "SkDrawBitmap.h"
#include "SkDrawClip.h"
#include "SkDrawDash.h"
#include "SkDrawDiscrete.h"
#include "SkDrawEmboss.h"
//#include "SkDrawFont.h"
#include "SkDrawFull.h"
#include "SkDrawGradient.h"
#include "SkDrawLine.h"
//#include "SkDrawMaskFilter.h"
#include "SkDrawMatrix.h"
#include "SkDrawOval.h"
#include "SkDrawPaint.h"
#include "SkDrawPath.h"
#include "SkDrawPoint.h"
// #include "SkDrawStroke.h"
#include "SkDrawText.h"
#include "SkDrawTo.h"
//#include "SkDrawTransferMode.h"
#include "SkDrawTransparentShader.h"
//#include "SkDrawUse.h"
#include "SkMatrixParts.h"
#include "SkPathParts.h"
#include "SkPostParts.h"
#include "SkScript.h"
#include "SkSnapshot.h"
#include "SkTextOnPath.h"
#include "SkTextToPath.h"
class SkJSDisplayable {
public:
SkJSDisplayable() : fDisplayable(NULL) {}
~SkJSDisplayable() { delete fDisplayable; }
static void Destructor(JSContext *cx, JSObject *obj);
static JSBool GetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool SetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static SkCanvas* gCanvas;
static SkPaint* gPaint;
static JSBool Draw(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
SkDisplayable* fDisplayable;
};
SkCanvas* SkJSDisplayable::gCanvas;
SkPaint* SkJSDisplayable::gPaint;
JSBool SkJSDisplayable::Draw(JSContext *cx, JSObject *obj, uintN argc,
jsval *argv, jsval *rval)
{
SkJSDisplayable *p = (SkJSDisplayable*) JS_GetPrivate(cx, obj);
SkASSERT(p->fDisplayable->isDrawable());
SkDrawable* drawable = (SkDrawable*) p->fDisplayable;
SkAnimateMaker maker(NULL, gCanvas, gPaint);
drawable->draw(maker);
return JS_TRUE;
}
JSFunctionSpec SkJSDisplayable_methods[] =
{
{ "draw", SkJSDisplayable::Draw, 1, 0, 0 },
{ 0 }
};
static JSPropertySpec* gDisplayableProperties[kNumberOfTypes];
static JSClass gDisplayableClasses[kNumberOfTypes];
#define JS_INIT(_prefix, _class) \
static JSBool _class##Constructor(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) { \
SkJSDisplayable* jsDisplayable = new SkJSDisplayable(); \
jsDisplayable->fDisplayable = new _prefix##_class(); \
JS_SetPrivate(cx, obj, (void*) jsDisplayable); \
return JS_TRUE; \
} \
\
static JSObject* _class##Init(JSContext *cx, JSObject *obj, JSObject *proto) { \
JSObject *newProtoObj = JS_InitClass(cx, obj, proto, &gDisplayableClasses[SkType_##_class], \
_class##Constructor, 0, \
NULL, SkJSDisplayable_methods , \
NULL, NULL); \
JS_DefineProperties(cx, newProtoObj, gDisplayableProperties[SkType_##_class]); \
return newProtoObj; \
}
JS_INIT(Sk, Add)
JS_INIT(Sk, AddCircle)
JS_INIT(Sk, AddOval)
JS_INIT(Sk, AddPath)
JS_INIT(Sk, AddRectangle)
JS_INIT(Sk, AddRoundRect)
//JS_INIT(Sk, After)
JS_INIT(Sk, Apply)
// JS_INIT(Sk, Animate)
//JS_INIT(Sk, AnimateColor)
JS_INIT(Sk, AnimateField)
//JS_INIT(Sk, AnimateRotate)
//JS_INIT(Sk, AnimateScale)
//JS_INIT(Sk, AnimateTranslate)
JS_INIT(SkDraw, Bitmap)
JS_INIT(Sk, BaseBitmap)
//JS_INIT(Sk, Before)
JS_INIT(SkDraw, BitmapShader)
JS_INIT(SkDraw, Blur)
JS_INIT(SkDraw, Clip)
JS_INIT(SkDraw, Color)
JS_INIT(Sk, CubicTo)
JS_INIT(Sk, Dash)
JS_INIT(Sk, Data)
//JS_INIT(Sk, Dimensions)
JS_INIT(Sk, Discrete)
JS_INIT(Sk, DrawTo)
JS_INIT(SkDraw, Emboss)
JS_INIT(SkDisplay, Event)
// JS_INIT(SkDraw, Font)
// JS_INIT(Sk, Focus)
JS_INIT(Sk, Image)
JS_INIT(Sk, Include)
// JS_INIT(Sk, Input)
JS_INIT(Sk, Line)
JS_INIT(Sk, LinearGradient)
JS_INIT(Sk, LineTo)
JS_INIT(SkDraw, Matrix)
JS_INIT(Sk, Move)
JS_INIT(Sk, MoveTo)
JS_INIT(Sk, Oval)
JS_INIT(SkDraw, Path)
JS_INIT(SkDraw, Paint)
JS_INIT(Sk, DrawPoint)
JS_INIT(Sk, PolyToPoly)
JS_INIT(Sk, Polygon)
JS_INIT(Sk, Polyline)
JS_INIT(Sk, Post)
JS_INIT(Sk, QuadTo)
JS_INIT(Sk, RadialGradient)
JS_INIT(SkDisplay, Random)
JS_INIT(Sk, RectToRect)
JS_INIT(Sk, Rectangle)
JS_INIT(Sk, Remove)
JS_INIT(Sk, Replace)
JS_INIT(Sk, Rotate)
JS_INIT(Sk, RoundRect)
JS_INIT(Sk, Scale)
JS_INIT(Sk, Set)
JS_INIT(Sk, Skew)
// JS_INIT(Sk, 3D_Camera)
// JS_INIT(Sk, 3D_Patch)
JS_INIT(Sk, Snapshot)
// JS_INIT(SkDraw, Stroke)
JS_INIT(Sk, Text)
JS_INIT(Sk, TextOnPath)
JS_INIT(Sk, TextToPath)
JS_INIT(Sk, Translate)
//JS_INIT(Sk, Use)
#if SK_USE_CONDENSED_INFO == 0
static void GenerateTables() {
for (int index = 0; index < kTypeNamesSize; index++) {
int infoCount;
SkDisplayTypes type = gTypeNames[index].fType;
const SkMemberInfo* info = SkDisplayType::GetMembers(NULL /* fMaker */, type, &infoCount);
if (info == NULL)
continue;
gDisplayableProperties[type] = new JSPropertySpec[infoCount + 1];
JSPropertySpec* propertySpec = gDisplayableProperties[type];
memset(propertySpec, 0, sizeof (JSPropertySpec) * (infoCount + 1));
for (int inner = 0; inner < infoCount; inner++) {
if (info[inner].fType == SkType_BaseClassInfo)
continue;
propertySpec[inner].name = info[inner].fName;
propertySpec[inner].tinyid = inner;
propertySpec[inner].flags = JSPROP_ENUMERATE;
}
gDisplayableClasses[type].name = gTypeNames[index].fName;
gDisplayableClasses[type].flags = JSCLASS_HAS_PRIVATE;
gDisplayableClasses[type].addProperty = JS_PropertyStub;
gDisplayableClasses[type].delProperty = JS_PropertyStub;
gDisplayableClasses[type].getProperty = SkJSDisplayable::GetProperty;
gDisplayableClasses[type].setProperty = SkJSDisplayable::SetProperty;
gDisplayableClasses[type].enumerate = JS_EnumerateStub;
gDisplayableClasses[type].resolve = JS_ResolveStub;
gDisplayableClasses[type].convert = JS_ConvertStub;
gDisplayableClasses[type].finalize = SkJSDisplayable::Destructor;
}
}
#endif
void SkJSDisplayable::Destructor(JSContext *cx, JSObject *obj) {
delete (SkJSDisplayable*) JS_GetPrivate(cx, obj);
}
JSBool SkJSDisplayable::GetProperty(JSContext *cx, JSObject *obj, jsval id,
jsval *vp)
{
if (JSVAL_IS_INT(id) == 0)
return JS_TRUE;
SkJSDisplayable *p = (SkJSDisplayable *) JS_GetPrivate(cx, obj);
SkDisplayable* displayable = p->fDisplayable;
SkDisplayTypes displayableType = displayable->getType();
int members;
const SkMemberInfo* info = SkDisplayType::GetMembers(NULL /* fMaker */, displayableType, &members);
int idIndex = JSVAL_TO_INT(id);
SkASSERT(idIndex >= 0 && idIndex < members);
info = &info[idIndex];
SkDisplayTypes infoType = (SkDisplayTypes) info->fType;
SkScalar scalar = 0;
S32 s32 = 0;
SkString* string= NULL;
JSString *str;
if (infoType == SkType_MemberProperty) {
infoType = info->propertyType();
switch (infoType) {
case SkType_Scalar: {
SkScriptValue scriptValue;
bool success = displayable->getProperty(info->propertyIndex(), &scriptValue);
SkASSERT(scriptValue.fType == SkType_Scalar);
scalar = scriptValue.fOperand.fScalar;
} break;
default:
SkASSERT(0); // !!! unimplemented
}
} else {
SkASSERT(info->fCount == 1);
switch (infoType) {
case SkType_Boolean:
case SkType_Color:
case SkType_S32:
s32 = *(S32*) info->memberData(displayable);
break;
case SkType_String:
info->getString(displayable, &string);
break;
case SkType_Scalar:
SkOperand operand;
info->getValue(displayable, &operand, 1);
scalar = operand.fScalar;
break;
default:
SkASSERT(0); // !!! unimplemented
}
}
switch (infoType) {
case SkType_Boolean:
*vp = BOOLEAN_TO_JSVAL(s32);
break;
case SkType_Color:
case SkType_S32:
*vp = INT_TO_JSVAL(s32);
break;
case SkType_Scalar:
if (SkScalarFraction(scalar) == 0)
*vp = INT_TO_JSVAL(SkScalarFloor(scalar));
else
#ifdef SK_SCALAR_IS_FLOAT
*vp = DOUBLE_TO_JSVAL(scalar);
#else
*vp = DOUBLE_TO_JSVAL(scalar / 65536.0f );
#endif
break;
case SkType_String:
str = JS_NewStringCopyN(cx, string->c_str(), string->size());
*vp = STRING_TO_JSVAL(str);
break;
default:
SkASSERT(0); // !!! unimplemented
}
return JS_TRUE;
}
JSBool SkJSDisplayable::SetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp) {
if (JSVAL_IS_INT(id) == 0)
return JS_TRUE;
SkJSDisplayable *p = (SkJSDisplayable *) JS_GetPrivate(cx, obj);
SkDisplayable* displayable = p->fDisplayable;
SkDisplayTypes displayableType = displayable->getType();
int members;
const SkMemberInfo* info = SkDisplayType::GetMembers(NULL /* fMaker */, displayableType, &members);
int idIndex = JSVAL_TO_INT(id);
SkASSERT(idIndex >= 0 && idIndex < members);
info = &info[idIndex];
SkDisplayTypes infoType = info->getType();
SkScalar scalar = 0;
S32 s32 = 0;
SkString string;
JSString* str;
jsval value = *vp;
switch (infoType) {
case SkType_Boolean:
s32 = JSVAL_TO_BOOLEAN(value);
break;
case SkType_Color:
case SkType_S32:
s32 = JSVAL_TO_INT(value);
break;
case SkType_Scalar:
if (JSVAL_IS_INT(value))
scalar = SkIntToScalar(JSVAL_TO_INT(value));
else {
SkASSERT(JSVAL_IS_DOUBLE(value));
#ifdef SK_SCALAR_IS_FLOAT
scalar = (float) *(double*) JSVAL_TO_DOUBLE(value);
#else
scalar = (SkFixed) (*(double*)JSVAL_TO_DOUBLE(value) * 65536.0);
#endif
}
break;
case SkType_String:
str = JS_ValueToString(cx, value);
string.set(JS_GetStringBytes(str));
break;
default:
SkASSERT(0); // !!! unimplemented
}
if (info->fType == SkType_MemberProperty) {
switch (infoType) {
case SkType_Scalar: {
SkScriptValue scriptValue;
scriptValue.fType = SkType_Scalar;
scriptValue.fOperand.fScalar = scalar;
displayable->setProperty(-1 - (int) info->fOffset, scriptValue);
} break;
default:
SkASSERT(0); // !!! unimplemented
}
} else {
SkASSERT(info->fCount == 1);
switch (infoType) {
case SkType_Boolean:
case SkType_Color:
case SkType_S32:
s32 = *(S32*) ((const char*) displayable + info->fOffset);
break;
case SkType_String:
info->setString(displayable, &string);
break;
case SkType_Scalar:
SkOperand operand;
operand.fScalar = scalar;
info->setValue(displayable, &operand, 1);
break;
default:
SkASSERT(0); // !!! unimplemented
}
}
return JS_TRUE;
}
void SkJS::InitializeDisplayables(const SkBitmap& bitmap, JSContext *cx, JSObject *obj, JSObject *proto) {
SkJSDisplayable::gCanvas = new SkCanvas(bitmap);
SkJSDisplayable::gPaint = new SkPaint();
#if SK_USE_CONDENSED_INFO == 0
GenerateTables();
#else
SkASSERT(0); // !!! compressed version hasn't been implemented
#endif
AddInit(cx, obj, proto);
AddCircleInit(cx, obj, proto);
AddOvalInit(cx, obj, proto);
AddPathInit(cx, obj, proto);
AddRectangleInit(cx, obj, proto);
AddRoundRectInit(cx, obj, proto);
// AfterInit(cx, obj, proto);
ApplyInit(cx, obj, proto);
// AnimateInit(cx, obj, proto);
// AnimateColorInit(cx, obj, proto);
AnimateFieldInit(cx, obj, proto);
// AnimateRotateInit(cx, obj, proto);
// AnimateScaleInit(cx, obj, proto);
// AnimateTranslateInit(cx, obj, proto);
BitmapInit(cx, obj, proto);
// BaseBitmapInit(cx, obj, proto);
// BeforeInit(cx, obj, proto);
BitmapShaderInit(cx, obj, proto);
BlurInit(cx, obj, proto);
ClipInit(cx, obj, proto);
ColorInit(cx, obj, proto);
CubicToInit(cx, obj, proto);
DashInit(cx, obj, proto);
DataInit(cx, obj, proto);
// DimensionsInit(cx, obj, proto);
DiscreteInit(cx, obj, proto);
DrawToInit(cx, obj, proto);
EmbossInit(cx, obj, proto);
EventInit(cx, obj, proto);
// FontInit(cx, obj, proto);
// FocusInit(cx, obj, proto);
ImageInit(cx, obj, proto);
IncludeInit(cx, obj, proto);
// InputInit(cx, obj, proto);
LineInit(cx, obj, proto);
LinearGradientInit(cx, obj, proto);
LineToInit(cx, obj, proto);
MatrixInit(cx, obj, proto);
MoveInit(cx, obj, proto);
MoveToInit(cx, obj, proto);
OvalInit(cx, obj, proto);
PathInit(cx, obj, proto);
PaintInit(cx, obj, proto);
DrawPointInit(cx, obj, proto);
PolyToPolyInit(cx, obj, proto);
PolygonInit(cx, obj, proto);
PolylineInit(cx, obj, proto);
PostInit(cx, obj, proto);
QuadToInit(cx, obj, proto);
RadialGradientInit(cx, obj, proto);
RandomInit(cx, obj, proto);
RectToRectInit(cx, obj, proto);
RectangleInit(cx, obj, proto);
RemoveInit(cx, obj, proto);
ReplaceInit(cx, obj, proto);
RotateInit(cx, obj, proto);
RoundRectInit(cx, obj, proto);
ScaleInit(cx, obj, proto);
SetInit(cx, obj, proto);
SkewInit(cx, obj, proto);
// 3D_CameraInit(cx, obj, proto);
// 3D_PatchInit(cx, obj, proto);
SnapshotInit(cx, obj, proto);
// StrokeInit(cx, obj, proto);
TextInit(cx, obj, proto);
TextOnPathInit(cx, obj, proto);
TextToPathInit(cx, obj, proto);
TranslateInit(cx, obj, proto);
// UseInit(cx, obj, proto);
}
void SkJS::DisposeDisplayables() {
delete SkJSDisplayable::gPaint;
delete SkJSDisplayable::gCanvas;
for (int index = 0; index < kTypeNamesSize; index++) {
SkDisplayTypes type = gTypeNames[index].fType;
delete[] gDisplayableProperties[type];
}
}
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