JSCanvasRenderingContext2DCustom.cpp [plain text]
#include "config.h"
#include "CanvasGradient.h"
#include "CanvasPattern.h"
#include "CanvasRenderingContext2D.h"
#include "CanvasStyle.h"
#include "ExceptionCode.h"
#include "FloatRect.h"
#include "HTMLCanvasElement.h"
#include "HTMLImageElement.h"
#include "JSCanvasGradient.h"
#include "JSCanvasPattern.h"
#include "JSCanvasRenderingContext2D.h"
#include "JSHTMLCanvasElement.h"
#include "JSHTMLImageElement.h"
#include "kjs_html.h"
using namespace KJS;
namespace WebCore {
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));
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* JSCanvasRenderingContext2D::strokeStyle(ExecState* exec) const
{
return toJS(exec, impl()->strokeStyle());
}
void JSCanvasRenderingContext2D::setStrokeStyle(ExecState* exec, JSValue* value)
{
impl()->setStrokeStyle(toHTMLCanvasStyle(exec, value));
}
JSValue* JSCanvasRenderingContext2D::fillStyle(ExecState* exec) const
{
return toJS(exec, impl()->fillStyle());
}
void JSCanvasRenderingContext2D::setFillStyle(ExecState* exec, JSValue* value)
{
impl()->setFillStyle(toHTMLCanvasStyle(exec, value));
}
JSValue* JSCanvasRenderingContext2D::setFillColor(ExecState* exec, const List& args)
{
CanvasRenderingContext2D* context = impl();
switch (args.size()) {
case 1:
if (args[0]->isString())
context->setFillColor(args[0]->toString(exec));
else
context->setFillColor(args[0]->toNumber(exec));
break;
case 2:
if (args[0]->isString())
context->setFillColor(args[0]->toString(exec), 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);
}
return jsUndefined();
}
JSValue* JSCanvasRenderingContext2D::setStrokeColor(ExecState* exec, const List& args)
{
CanvasRenderingContext2D* context = impl();
switch (args.size()) {
case 1:
if (args[0]->isString())
context->setStrokeColor(args[0]->toString(exec));
else
context->setStrokeColor(args[0]->toNumber(exec));
break;
case 2:
if (args[0]->isString())
context->setStrokeColor(args[0]->toString(exec), 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);
}
return jsUndefined();
}
JSValue* JSCanvasRenderingContext2D::strokeRect(ExecState* exec, const List& args)
{
CanvasRenderingContext2D* context = impl();
ExceptionCode ec;
if (args.size() <= 4)
context->strokeRect(args[0]->toNumber(exec), args[1]->toNumber(exec),
args[2]->toNumber(exec), args[3]->toNumber(exec), ec);
else
context->strokeRect(args[0]->toNumber(exec), args[1]->toNumber(exec),
args[2]->toNumber(exec), args[3]->toNumber(exec), args[4]->toNumber(exec), ec);
setDOMException(exec, ec);
return jsUndefined();
}
JSValue* JSCanvasRenderingContext2D::drawImage(ExecState* exec, const List& args)
{
CanvasRenderingContext2D* context = impl();
JSObject* o = static_cast<JSObject*>(args[0]);
if (!o->isObject())
return throwError(exec, TypeError);
ExceptionCode ec = 0;
if (o->inherits(&JSHTMLImageElement::info)) {
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), ec);
setDOMException(exec, ec);
break;
case 9:
context->drawImage(imgElt, FloatRect(args[1]->toNumber(exec), args[2]->toNumber(exec),
args[3]->toNumber(exec), args[4]->toNumber(exec)),
FloatRect(args[5]->toNumber(exec), args[6]->toNumber(exec),
args[7]->toNumber(exec), args[8]->toNumber(exec)), ec);
setDOMException(exec, ec);
break;
default:
return throwError(exec, SyntaxError);
}
} else if (o->inherits(&JSHTMLCanvasElement::info)) {
HTMLCanvasElement* canvas = static_cast<HTMLCanvasElement*>(static_cast<JSHTMLElement*>(args[0])->impl());
switch (args.size()) {
case 3:
context->drawImage(canvas, args[1]->toNumber(exec), args[2]->toNumber(exec));
break;
case 5:
context->drawImage(canvas, args[1]->toNumber(exec), args[2]->toNumber(exec),
args[3]->toNumber(exec), args[4]->toNumber(exec), ec);
setDOMException(exec, ec);
break;
case 9:
context->drawImage(canvas, FloatRect(args[1]->toNumber(exec), args[2]->toNumber(exec),
args[3]->toNumber(exec), args[4]->toNumber(exec)),
FloatRect(args[5]->toNumber(exec), args[6]->toNumber(exec),
args[7]->toNumber(exec), args[8]->toNumber(exec)), ec);
setDOMException(exec, ec);
break;
default:
return throwError(exec, SyntaxError);
}
} else {
setDOMException(exec, TYPE_MISMATCH_ERR);
return 0;
}
return jsUndefined();
}
JSValue* JSCanvasRenderingContext2D::drawImageFromRect(ExecState* exec, const List& args)
{
CanvasRenderingContext2D* context = impl();
JSObject* o = static_cast<JSObject*>(args[0]);
if (!o->isObject())
return throwError(exec, TypeError);
if (!o->inherits(&JSHTMLImageElement::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));
return jsUndefined();
}
JSValue* JSCanvasRenderingContext2D::setShadow(ExecState* exec, const List& args)
{
CanvasRenderingContext2D* context = impl();
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));
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),
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);
}
return jsUndefined();
}
JSValue* JSCanvasRenderingContext2D::createPattern(ExecState* exec, const List& args)
{
CanvasRenderingContext2D* context = impl();
JSObject* o = static_cast<JSObject*>(args[0]);
if (!o->isObject())
return throwError(exec, TypeError);
if (o->inherits(&JSHTMLImageElement::info)) {
ExceptionCode ec;
JSValue* pattern = toJS(exec,
context->createPattern(static_cast<HTMLImageElement*>(static_cast<JSHTMLElement*>(args[0])->impl()),
args[1]->toString(exec), ec).get());
setDOMException(exec, ec);
return pattern;
}
if (o->inherits(&JSHTMLCanvasElement::info)) {
ExceptionCode ec;
JSValue* pattern = toJS(exec,
context->createPattern(static_cast<HTMLCanvasElement*>(static_cast<JSHTMLElement*>(args[0])->impl()),
args[1]->toString(exec), ec).get());
setDOMException(exec, ec);
return pattern;
}
setDOMException(exec, TYPE_MISMATCH_ERR);
return 0;
}
}