| /* |
| * Copyright (C) 2006 Apple Computer, Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| #include "config.h" |
| #include "JSCanvasRenderingContext2DBase.h" |
| |
| #include "CanvasGradient.h" |
| #include "CanvasPattern.h" |
| #include "CanvasRenderingContext2D.h" |
| #include "CanvasStyle.h" |
| #include "JSCanvasGradient.h" |
| #include "JSCanvasPattern.h" |
| #include "html_imageimpl.h" |
| #include "kjs_html.h" |
| |
| #include "JSCanvasRenderingContext2DBaseTable.cpp" |
| |
| using namespace KJS; |
| |
| namespace WebCore { |
| |
| /* |
| @begin JSCanvasRenderingContext2DBaseProtoTable 7 |
| setStrokeColor WebCore::JSCanvasRenderingContext2DBase::SetStrokeColor DontDelete|Function 1 |
| setFillColor WebCore::JSCanvasRenderingContext2DBase::SetFillColor DontDelete|Function 1 |
| strokeRect WebCore::JSCanvasRenderingContext2DBase::StrokeRect DontDelete|Function 4 |
| drawImage WebCore::JSCanvasRenderingContext2DBase::DrawImage DontDelete|Function 3 |
| drawImageFromRect WebCore::JSCanvasRenderingContext2DBase::DrawImageFromRect DontDelete|Function 10 |
| setShadow WebCore::JSCanvasRenderingContext2DBase::SetShadow DontDelete|Function 3 |
| createPattern WebCore::JSCanvasRenderingContext2DBase::CreatePattern DontDelete|Function 2 |
| @end |
| @begin JSCanvasRenderingContext2DBaseTable 2 |
| strokeStyle WebCore::JSCanvasRenderingContext2DBase::StrokeStyle DontDelete |
| fillStyle WebCore::JSCanvasRenderingContext2DBase::FillStyle DontDelete |
| @end |
| */ |
| |
| KJS_IMPLEMENT_PROTOFUNC(JSCanvasRenderingContext2DBaseProtoFunc) |
| KJS_IMPLEMENT_PROTOTYPE("CanvasRenderingContext2DBase", JSCanvasRenderingContext2DBaseProto, JSCanvasRenderingContext2DBaseProtoFunc) |
| |
| JSValue* JSCanvasRenderingContext2DBaseProtoFunc::callAsFunction(ExecState* exec, JSObject* thisObj, const List& args) |
| { |
| if (!thisObj->inherits(&JSCanvasRenderingContext2DBase::info)) |
| return throwError(exec, TypeError); |
| |
| CanvasRenderingContext2D* context = static_cast<JSCanvasRenderingContext2DBase*>(thisObj)->impl(); |
| |
| switch (id) { |
| case JSCanvasRenderingContext2DBase::SetStrokeColor: |
| // string arg = named color |
| // number arg = gray color |
| // string arg, number arg = named color, alpha |
| // number arg, number arg = gray color, alpha |
| // 4 args = r, g, b, a |
| // 5 args = c, m, y, k, a |
| switch (args.size()) { |
| case 1: |
| if (args[0]->isString()) |
| context->setStrokeColor(args[0]->toString(exec).domString()); |
| else |
| context->setStrokeColor(args[0]->toNumber(exec)); |
| break; |
| case 2: |
| if (args[0]->isString()) |
| context->setStrokeColor(args[0]->toString(exec).domString(), args[1]->toNumber(exec)); |
| else |
| context->setStrokeColor(args[0]->toNumber(exec), args[1]->toNumber(exec)); |
| break; |
| case 4: |
| context->setStrokeColor(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toNumber(exec)); |
| break; |
| case 5: |
| context->setStrokeColor(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toNumber(exec), args[4]->toNumber(exec)); |
| break; |
| default: |
| return throwError(exec, SyntaxError); |
| } |
| break; |
| case JSCanvasRenderingContext2DBase::SetFillColor: |
| // string arg = named color |
| // number arg = gray color |
| // string arg, number arg = named color, alpha |
| // number arg, number arg = gray color, alpha |
| // 4 args = r, g, b, a |
| // 5 args = c, m, y, k, a |
| switch (args.size()) { |
| case 1: |
| if (args[0]->isString()) |
| context->setFillColor(args[0]->toString(exec).domString()); |
| else |
| context->setFillColor(args[0]->toNumber(exec)); |
| break; |
| case 2: |
| if (args[0]->isString()) |
| context->setFillColor(args[0]->toString(exec).domString(), args[1]->toNumber(exec)); |
| else |
| context->setFillColor(args[0]->toNumber(exec), args[1]->toNumber(exec)); |
| break; |
| case 4: |
| context->setFillColor(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toNumber(exec)); |
| break; |
| case 5: |
| context->setFillColor(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toNumber(exec), args[4]->toNumber(exec)); |
| break; |
| default: |
| return throwError(exec, SyntaxError); |
| } |
| break; |
| case JSCanvasRenderingContext2DBase::StrokeRect: |
| if (args.size() <= 4) |
| context->strokeRect(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toNumber(exec)); |
| else |
| context->strokeRect(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toNumber(exec), args[4]->toNumber(exec)); |
| break; |
| case JSCanvasRenderingContext2DBase::SetShadow: |
| switch (args.size()) { |
| case 3: |
| context->setShadow(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec)); |
| break; |
| case 4: |
| if (args[3]->isString()) |
| context->setShadow(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toString(exec).domString()); |
| else |
| context->setShadow(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toNumber(exec)); |
| break; |
| case 5: |
| if (args[3]->isString()) |
| context->setShadow(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toString(exec).domString(), |
| args[4]->toNumber(exec)); |
| else |
| context->setShadow(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toNumber(exec), |
| args[4]->toNumber(exec)); |
| break; |
| case 7: |
| context->setShadow(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toNumber(exec), |
| args[4]->toNumber(exec), args[5]->toNumber(exec), |
| args[6]->toNumber(exec)); |
| break; |
| case 8: |
| context->setShadow(args[0]->toNumber(exec), args[1]->toNumber(exec), |
| args[2]->toNumber(exec), args[3]->toNumber(exec), |
| args[4]->toNumber(exec), args[5]->toNumber(exec), |
| args[6]->toNumber(exec), args[7]->toNumber(exec)); |
| break; |
| default: |
| return throwError(exec, SyntaxError); |
| } |
| break; |
| case JSCanvasRenderingContext2DBase::DrawImage: { |
| // DrawImage has three variants: |
| // drawImage(img, dx, dy) |
| // drawImage(img, dx, dy, dw, dh) |
| // drawImage(img, sx, sy, sw, sh, dx, dy, dw, dh) |
| // composite operation is specified with globalCompositeOperation |
| // img parameter can be a JavaScript Image, <img>, or a <canvas> |
| JSObject* o = static_cast<JSObject*>(args[0]); |
| if (!o->isObject()) |
| return throwError(exec, TypeError); |
| if (!(o->inherits(&JSHTMLElement::img_info) || o->inherits(&JSHTMLElement::canvas_info))) |
| return throwError(exec, TypeError); |
| HTMLImageElement* imgElt = static_cast<HTMLImageElement*>(static_cast<JSHTMLElement*>(args[0])->impl()); |
| switch (args.size()) { |
| case 3: |
| context->drawImage(imgElt, args[1]->toNumber(exec), args[2]->toNumber(exec)); |
| break; |
| case 5: |
| context->drawImage(imgElt, args[1]->toNumber(exec), args[2]->toNumber(exec), |
| args[3]->toNumber(exec), args[4]->toNumber(exec)); |
| break; |
| case 9: |
| context->drawImage(imgElt, args[1]->toNumber(exec), args[2]->toNumber(exec), |
| args[3]->toNumber(exec), args[4]->toNumber(exec), |
| args[5]->toNumber(exec), args[6]->toNumber(exec), |
| args[7]->toNumber(exec), args[8]->toNumber(exec)); |
| break; |
| default: |
| return throwError(exec, SyntaxError); |
| } |
| break; |
| } |
| case JSCanvasRenderingContext2DBase::DrawImageFromRect: { |
| JSObject* o = static_cast<JSObject*>(args[0]); |
| if (!o->isObject()) |
| return throwError(exec, TypeError); |
| if (!o->inherits(&JSHTMLElement::img_info)) |
| return throwError(exec, TypeError); |
| context->drawImageFromRect(static_cast<HTMLImageElement*>(static_cast<JSHTMLElement*>(args[0])->impl()), |
| args[1]->toNumber(exec), args[2]->toNumber(exec), |
| args[3]->toNumber(exec), args[4]->toNumber(exec), |
| args[5]->toNumber(exec), args[6]->toNumber(exec), |
| args[7]->toNumber(exec), args[8]->toNumber(exec), |
| args[9]->toString(exec).domString()); |
| break; |
| } |
| case JSCanvasRenderingContext2DBase::CreatePattern: |
| JSObject* o = static_cast<JSObject*>(args[0]); |
| if (!o->isObject()) |
| return throwError(exec, TypeError); |
| if (!o->inherits(&JSHTMLElement::img_info)) |
| return throwError(exec, TypeError); |
| return toJS(exec, |
| context->createPattern(static_cast<HTMLImageElement*>(static_cast<JSHTMLElement*>(args[0])->impl()), |
| args[1]->toString(exec).domString()).get()); |
| } |
| |
| return jsUndefined(); |
| } |
| |
| const ClassInfo JSCanvasRenderingContext2DBase::info = { "CanvasRenderingContext2DBase", 0, &JSCanvasRenderingContext2DBaseTable, 0 }; |
| |
| bool JSCanvasRenderingContext2DBase::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) |
| { |
| return getStaticValueSlot<JSCanvasRenderingContext2DBase, DOMObject> |
| (exec, &JSCanvasRenderingContext2DBaseTable, this, propertyName, slot); |
| } |
| |
| static JSValue* toJS(ExecState* exec, CanvasStyle* style) |
| { |
| if (style->gradient()) |
| return toJS(exec, style->gradient()); |
| if (style->pattern()) |
| return toJS(exec, style->pattern()); |
| return jsString(style->color()); |
| } |
| |
| static PassRefPtr<CanvasStyle> toHTMLCanvasStyle(ExecState* exec, JSValue* value) |
| { |
| if (value->isString()) |
| return new CanvasStyle(value->toString(exec).domString()); |
| if (!value->isObject()) |
| return 0; |
| JSObject* object = static_cast<JSObject*>(value); |
| if (object->inherits(&JSCanvasGradient::info)) |
| return new CanvasStyle(static_cast<JSCanvasGradient*>(object)->impl()); |
| if (object->inherits(&JSCanvasPattern::info)) |
| return new CanvasStyle(static_cast<JSCanvasPattern*>(object)->impl()); |
| return 0; |
| } |
| |
| JSValue* JSCanvasRenderingContext2DBase::getValueProperty(ExecState* exec, int token) const |
| { |
| switch (token) { |
| case StrokeStyle: |
| return toJS(exec, m_impl->strokeStyle()); |
| case FillStyle: |
| return toJS(exec, m_impl->fillStyle()); |
| } |
| return 0; |
| } |
| |
| void JSCanvasRenderingContext2DBase::put(ExecState* exec, const Identifier& propertyName, JSValue* value, int attr) |
| { |
| lookupPut<JSCanvasRenderingContext2DBase, DOMObject>(exec, propertyName, value, attr, &JSCanvasRenderingContext2DBaseTable, this); |
| } |
| |
| void JSCanvasRenderingContext2DBase::putValueProperty(ExecState* exec, int token, JSValue* value, int /*attr*/) |
| { |
| switch (token) { |
| case StrokeStyle: |
| impl()->setStrokeStyle(toHTMLCanvasStyle(exec, value)); |
| break; |
| case FillStyle: |
| impl()->setFillStyle(toHTMLCanvasStyle(exec, value)); |
| break; |
| } |
| } |
| |
| JSCanvasRenderingContext2DBase::JSCanvasRenderingContext2DBase(ExecState*, PassRefPtr<WebCore::CanvasRenderingContext2D> impl) |
| : m_impl(impl) |
| { |
| } |
| |
| JSCanvasRenderingContext2DBase::~JSCanvasRenderingContext2DBase() |
| { |
| ScriptInterpreter::forgetDOMObject(m_impl.get()); |
| } |
| |
| } |
