void BoardDrawer::drawFlag(int row, int col) { m_ctx->clearRect(col * 10 + 1, row * 10 + 1, 8, 8); m_ctx->beginPath(); m_ctx->moveTo(col * 10 + 1, row * 10 + 1); m_ctx->lineTo(col * 10 + 9, row * 10 + 1); m_ctx->lineTo(col * 10 + 1, row * 10 + 9); m_ctx->closePath(); m_ctx->fill(); }
JSValue* jsCanvasRenderingContext2DPrototypeFunctionLineTo(ExecState* exec, JSObject*, JSValue* thisValue, const ArgList& args) { if (!thisValue->isObject(&JSCanvasRenderingContext2D::s_info)) return throwError(exec, TypeError); JSCanvasRenderingContext2D* castedThisObj = static_cast<JSCanvasRenderingContext2D*>(thisValue); CanvasRenderingContext2D* imp = static_cast<CanvasRenderingContext2D*>(castedThisObj->impl()); float x = args[0]->toFloat(exec); float y = args[1]->toFloat(exec); imp->lineTo(x, y); return jsUndefined(); }