JSCanvasRenderingContext2DCustom.cpp [plain text]
#include "config.h"
#include "JSCanvasRenderingContext2D.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 "HTMLVideoElement.h"
#include "ImageData.h"
#include "JSCanvasGradient.h"
#include "JSCanvasPattern.h"
#include "JSHTMLCanvasElement.h"
#include "JSHTMLImageElement.h"
#include "JSHTMLVideoElement.h"
#include "JSImageData.h"
#include <runtime/Error.h>
using namespace JSC;
namespace WebCore {
static JSValue toJS(ExecState* exec, CanvasStyle* style)
{
if (style->canvasGradient())
return toJS(exec, style->canvasGradient());
if (style->canvasPattern())
return toJS(exec, style->canvasPattern());
return jsString(exec, style->color());
}
static PassRefPtr<CanvasStyle> toHTMLCanvasStyle(ExecState* exec, JSValue value)
{
if (value.isString())
return CanvasStyle::create(asString(value)->value(exec));
if (!value.isObject())
return 0;
JSObject* object = asObject(value);
if (object->inherits(&JSCanvasGradient::s_info))
return CanvasStyle::create(static_cast<JSCanvasGradient*>(object)->impl());
if (object->inherits(&JSCanvasPattern::s_info))
return CanvasStyle::create(static_cast<JSCanvasPattern*>(object)->impl());
return 0;
}
JSValue JSCanvasRenderingContext2D::strokeStyle(ExecState* exec) const
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
return toJS(exec, context->strokeStyle());
}
void JSCanvasRenderingContext2D::setStrokeStyle(ExecState* exec, JSValue value)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
context->setStrokeStyle(toHTMLCanvasStyle(exec, value));
}
JSValue JSCanvasRenderingContext2D::fillStyle(ExecState* exec) const
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
return toJS(exec, context->fillStyle());
}
void JSCanvasRenderingContext2D::setFillStyle(ExecState* exec, JSValue value)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
context->setFillStyle(toHTMLCanvasStyle(exec, value));
}
JSValue JSCanvasRenderingContext2D::setFillColor(ExecState* exec, const ArgList& args)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
switch (args.size()) {
case 1:
if (args.at(0).isString())
context->setFillColor(asString(args.at(0))->value(exec));
else
context->setFillColor(args.at(0).toFloat(exec));
break;
case 2:
if (args.at(0).isString())
context->setFillColor(asString(args.at(0))->value(exec), args.at(1).toFloat(exec));
else
context->setFillColor(args.at(0).toFloat(exec), args.at(1).toFloat(exec));
break;
case 4:
context->setFillColor(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), args.at(3).toFloat(exec));
break;
case 5:
context->setFillColor(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), args.at(3).toFloat(exec), args.at(4).toFloat(exec));
break;
default:
return throwError(exec, SyntaxError);
}
return jsUndefined();
}
JSValue JSCanvasRenderingContext2D::setStrokeColor(ExecState* exec, const ArgList& args)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
switch (args.size()) {
case 1:
if (args.at(0).isString())
context->setStrokeColor(asString(args.at(0))->value(exec));
else
context->setStrokeColor(args.at(0).toFloat(exec));
break;
case 2:
if (args.at(0).isString())
context->setStrokeColor(asString(args.at(0))->value(exec), args.at(1).toFloat(exec));
else
context->setStrokeColor(args.at(0).toFloat(exec), args.at(1).toFloat(exec));
break;
case 4:
context->setStrokeColor(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), args.at(3).toFloat(exec));
break;
case 5:
context->setStrokeColor(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), args.at(3).toFloat(exec), args.at(4).toFloat(exec));
break;
default:
return throwError(exec, SyntaxError);
}
return jsUndefined();
}
JSValue JSCanvasRenderingContext2D::strokeRect(ExecState* exec, const ArgList& args)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
if (args.size() <= 4)
context->strokeRect(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), args.at(3).toFloat(exec));
else
context->strokeRect(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), args.at(3).toFloat(exec), args.at(4).toFloat(exec));
return jsUndefined();
}
JSValue JSCanvasRenderingContext2D::drawImage(ExecState* exec, const ArgList& args)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
JSValue value = args.at(0);
if (!value.isObject())
return throwError(exec, TypeError);
JSObject* o = asObject(value);
ExceptionCode ec = 0;
if (o->inherits(&JSHTMLImageElement::s_info)) {
HTMLImageElement* imgElt = static_cast<HTMLImageElement*>(static_cast<JSHTMLElement*>(o)->impl());
switch (args.size()) {
case 3:
context->drawImage(imgElt, args.at(1).toFloat(exec), args.at(2).toFloat(exec));
break;
case 5:
context->drawImage(imgElt, args.at(1).toFloat(exec), args.at(2).toFloat(exec),
args.at(3).toFloat(exec), args.at(4).toFloat(exec), ec);
setDOMException(exec, ec);
break;
case 9:
context->drawImage(imgElt, FloatRect(args.at(1).toFloat(exec), args.at(2).toFloat(exec),
args.at(3).toFloat(exec), args.at(4).toFloat(exec)),
FloatRect(args.at(5).toFloat(exec), args.at(6).toFloat(exec),
args.at(7).toFloat(exec), args.at(8).toFloat(exec)), ec);
setDOMException(exec, ec);
break;
default:
return throwError(exec, SyntaxError);
}
} else if (o->inherits(&JSHTMLCanvasElement::s_info)) {
HTMLCanvasElement* canvas = static_cast<HTMLCanvasElement*>(static_cast<JSHTMLElement*>(o)->impl());
switch (args.size()) {
case 3:
context->drawImage(canvas, args.at(1).toFloat(exec), args.at(2).toFloat(exec));
break;
case 5:
context->drawImage(canvas, args.at(1).toFloat(exec), args.at(2).toFloat(exec),
args.at(3).toFloat(exec), args.at(4).toFloat(exec), ec);
setDOMException(exec, ec);
break;
case 9:
context->drawImage(canvas, FloatRect(args.at(1).toFloat(exec), args.at(2).toFloat(exec),
args.at(3).toFloat(exec), args.at(4).toFloat(exec)),
FloatRect(args.at(5).toFloat(exec), args.at(6).toFloat(exec),
args.at(7).toFloat(exec), args.at(8).toFloat(exec)), ec);
setDOMException(exec, ec);
break;
default:
return throwError(exec, SyntaxError);
}
#if ENABLE(VIDEO)
} else if (o->inherits(&JSHTMLVideoElement::s_info)) {
HTMLVideoElement* video = static_cast<HTMLVideoElement*>(static_cast<JSHTMLElement*>(o)->impl());
switch (args.size()) {
case 3:
context->drawImage(video, args.at(1).toFloat(exec), args.at(2).toFloat(exec));
break;
case 5:
context->drawImage(video, args.at(1).toFloat(exec), args.at(2).toFloat(exec),
args.at(3).toFloat(exec), args.at(4).toFloat(exec), ec);
setDOMException(exec, ec);
break;
case 9:
context->drawImage(video, FloatRect(args.at(1).toFloat(exec), args.at(2).toFloat(exec),
args.at(3).toFloat(exec), args.at(4).toFloat(exec)),
FloatRect(args.at(5).toFloat(exec), args.at(6).toFloat(exec),
args.at(7).toFloat(exec), args.at(8).toFloat(exec)), ec);
setDOMException(exec, ec);
break;
default:
return throwError(exec, SyntaxError);
}
#endif
} else {
setDOMException(exec, TYPE_MISMATCH_ERR);
}
return jsUndefined();
}
JSValue JSCanvasRenderingContext2D::drawImageFromRect(ExecState* exec, const ArgList& args)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
JSValue value = args.at(0);
if (!value.isObject())
return throwError(exec, TypeError);
JSObject* o = asObject(value);
if (!o->inherits(&JSHTMLImageElement::s_info))
return throwError(exec, TypeError);
context->drawImageFromRect(static_cast<HTMLImageElement*>(static_cast<JSHTMLElement*>(o)->impl()),
args.at(1).toFloat(exec), args.at(2).toFloat(exec),
args.at(3).toFloat(exec), args.at(4).toFloat(exec),
args.at(5).toFloat(exec), args.at(6).toFloat(exec),
args.at(7).toFloat(exec), args.at(8).toFloat(exec),
args.at(9).toString(exec));
return jsUndefined();
}
JSValue JSCanvasRenderingContext2D::setShadow(ExecState* exec, const ArgList& args)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
switch (args.size()) {
case 3:
context->setShadow(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec));
break;
case 4:
if (args.at(3).isString())
context->setShadow(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), asString(args.at(3))->value(exec));
else
context->setShadow(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), args.at(3).toFloat(exec));
break;
case 5:
if (args.at(3).isString())
context->setShadow(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), asString(args.at(3))->value(exec),
args.at(4).toFloat(exec));
else
context->setShadow(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), args.at(3).toFloat(exec),
args.at(4).toFloat(exec));
break;
case 7:
context->setShadow(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), args.at(3).toFloat(exec),
args.at(4).toFloat(exec), args.at(5).toFloat(exec),
args.at(6).toFloat(exec));
break;
case 8:
context->setShadow(args.at(0).toFloat(exec), args.at(1).toFloat(exec),
args.at(2).toFloat(exec), args.at(3).toFloat(exec),
args.at(4).toFloat(exec), args.at(5).toFloat(exec),
args.at(6).toFloat(exec), args.at(7).toFloat(exec));
break;
default:
return throwError(exec, SyntaxError);
}
return jsUndefined();
}
JSValue JSCanvasRenderingContext2D::createPattern(ExecState* exec, const ArgList& args)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
JSValue value = args.at(0);
if (!value.isObject())
return throwError(exec, TypeError);
JSObject* o = asObject(value);
if (o->inherits(&JSHTMLImageElement::s_info)) {
ExceptionCode ec;
JSValue pattern = toJS(exec,
context->createPattern(static_cast<HTMLImageElement*>(static_cast<JSHTMLElement*>(o)->impl()),
valueToStringWithNullCheck(exec, args.at(1)), ec).get());
setDOMException(exec, ec);
return pattern;
}
if (o->inherits(&JSHTMLCanvasElement::s_info)) {
ExceptionCode ec;
JSValue pattern = toJS(exec,
context->createPattern(static_cast<HTMLCanvasElement*>(static_cast<JSHTMLElement*>(o)->impl()),
valueToStringWithNullCheck(exec, args.at(1)), ec).get());
setDOMException(exec, ec);
return pattern;
}
setDOMException(exec, TYPE_MISMATCH_ERR);
return jsUndefined();
}
JSValue JSCanvasRenderingContext2D::putImageData(ExecState* exec, const ArgList& args)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
ExceptionCode ec = 0;
if (args.size() >= 7)
context->putImageData(toImageData(args.at(0)), args.at(1).toFloat(exec), args.at(2).toFloat(exec),
args.at(3).toFloat(exec), args.at(4).toFloat(exec), args.at(5).toFloat(exec), args.at(6).toFloat(exec), ec);
else
context->putImageData(toImageData(args.at(0)), args.at(1).toFloat(exec), args.at(2).toFloat(exec), ec);
setDOMException(exec, ec);
return jsUndefined();
}
JSValue JSCanvasRenderingContext2D::fillText(ExecState* exec, const ArgList& args)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
if (args.size() < 3 || args.size() > 4)
return throwError(exec, SyntaxError);
if (args.size() == 4)
context->fillText(args.at(0).toString(exec), args.at(1).toFloat(exec), args.at(2).toFloat(exec), args.at(3).toFloat(exec));
else
context->fillText(args.at(0).toString(exec), args.at(1).toFloat(exec), args.at(2).toFloat(exec));
return jsUndefined();
}
JSValue JSCanvasRenderingContext2D::strokeText(ExecState* exec, const ArgList& args)
{
CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(impl());
if (args.size() < 3 || args.size() > 4)
return throwError(exec, SyntaxError);
if (args.size() == 4)
context->strokeText(args.at(0).toString(exec), args.at(1).toFloat(exec), args.at(2).toFloat(exec), args.at(3).toFloat(exec));
else
context->strokeText(args.at(0).toString(exec), args.at(1).toFloat(exec), args.at(2).toFloat(exec));
return jsUndefined();
}
}